/* Functions for image support on window system.
Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <unistd.h>
#endif
+#ifdef HAVE_PNG
+#if defined HAVE_LIBPNG_PNG_H
+# include <libpng/png.h>
+#else
+# include <png.h>
+#endif
+#endif
+
+#include <setjmp.h>
+
/* This makes the fields of a Display accessible, in Xlib header files. */
#define XLIB_ILLEGAL_ACCESS
#include "blockinput.h"
#include "systime.h"
#include <epaths.h>
-#include "charset.h"
+#include "character.h"
#include "coding.h"
-
+#include "termhooks.h"
+#include "font.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
#define x_defined_color w32_defined_color
#define DefaultDepthOfScreen(screen) (one_w32_display_info.n_cbits)
-#endif /* HAVE_NTGUI */
+/* Functions from w32term.c that depend on XColor (so can't go in w32term.h
+ without modifying lots of files). */
+extern void x_query_colors (struct frame *f, XColor *colors, int ncolors);
+extern void x_query_color (struct frame *f, XColor *color);
+#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
-#include "macterm.h"
+#ifdef HAVE_NS
+#include "nsterm.h"
+#include <sys/types.h>
#include <sys/stat.h>
-#ifndef MAC_OSX
-#include <alloca.h>
-#include <sys/param.h>
-#endif
-#if TARGET_API_MAC_CARBON
-#ifdef MAC_OSX
-#include <QuickTime/QuickTime.h>
-#else /* not MAC_OSX */
-#include <QuickTime.h>
-#endif /* not MAC_OSX */
-#else /* not TARGET_API_MAC_CARBON */
-#include <Windows.h>
-#include <Gestalt.h>
-#include <TextUtils.h>
-#include <ImageCompression.h>
-#include <QuickTimeComponents.h>
-#endif /* not TARGET_API_MAC_CARBON */
-
-/* MAC_TODO : Color tables on Mac. */
+
#undef COLOR_TABLE_SUPPORT
-#define ZPixmap 0 /* arbitrary */
-typedef struct mac_bitmap_record Bitmap_Record;
+typedef struct ns_bitmap_record Bitmap_Record;
#define GET_PIXEL(ximg, x, y) XGetPixel(ximg, x, y)
#define NO_PIXMAP 0
#define RGB_PIXEL_COLOR unsigned long
+#define ZPixmap 0
-#if USE_MAC_IMAGE_IO
-#define PIX_MASK_DRAW 255
#define PIX_MASK_RETAIN 0
-#else
-/* A black pixel in a mask bitmap/pixmap means ``draw a source
- pixel''. A white pixel means ``retain the current pixel''. */
-#define PIX_MASK_DRAW RGB_TO_ULONG(0,0,0)
-#define PIX_MASK_RETAIN RGB_TO_ULONG(255,255,255)
-#endif
-
-#define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
-#define x_defined_color mac_defined_color
-#define DefaultDepthOfScreen(screen) (one_mac_display_info.n_planes)
+#define PIX_MASK_DRAW 1
-#endif /* MAC_OS */
+#define FRAME_X_VISUAL FRAME_NS_DISPLAY_INFO(f)->visual
+#define x_defined_color(f, name, color_def, alloc) \
+ ns_defined_color (f, name, color_def, alloc, 0)
+#define FRAME_X_SCREEN(f) 0
+#define DefaultDepthOfScreen(screen) x_display_list->n_planes
+#endif /* HAVE_NS */
/* Search path for bitmap files. */
Lisp_Object Vx_bitmap_file_path;
+/* The symbol `postscript' identifying images of this type. */
-static void x_disable_image P_ ((struct frame *, struct image *));
-static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
- Lisp_Object));
+Lisp_Object Qpostscript;
-static void init_color_table P_ ((void));
-static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b));
+static void x_disable_image (struct frame *, struct image *);
+static void x_edge_detection (struct frame *, struct image *, Lisp_Object,
+ Lisp_Object);
+
+static void init_color_table (void);
+static unsigned long lookup_rgb_color (struct frame *f, int r, int g, int b);
#ifdef COLOR_TABLE_SUPPORT
-static void free_color_table P_ ((void));
-static unsigned long *colors_in_color_table P_ ((int *n));
-static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p));
+static void free_color_table (void);
+static unsigned long *colors_in_color_table (int *n);
+static unsigned long lookup_pixel_color (struct frame *f, unsigned long p);
#endif
/* Code to deal with bitmaps. Bitmaps are referenced by their bitmap
the bitmaps yourself. That is, creating a bitmap from the same
data more than once will not be caught. */
-#ifdef MAC_OS
-
-static XImagePtr
-XGetImage (display, pixmap, x, y, width, height, plane_mask, format)
- Display *display; /* not used */
- Pixmap pixmap;
- int x, y; /* not used */
- unsigned int width, height; /* not used */
- unsigned long plane_mask; /* not used */
- int format; /* not used */
+#ifdef HAVE_NS
+XImagePtr
+XGetImage (Display *display, Pixmap pixmap, int x, int y,
+ unsigned int width, unsigned int height,
+ unsigned long plane_mask, int format)
{
-#if !USE_MAC_IMAGE_IO
-#if GLYPH_DEBUG
- xassert (x == 0 && y == 0);
- {
- Rect ri, rp;
- SetRect (&ri, 0, 0, width, height);
- xassert (EqualRect (&ri, GetPixBounds (GetGWorldPixMap (pixmap), &rp)));
- }
- xassert (! (pixelsLocked & GetPixelsState (GetGWorldPixMap (pixmap))));
-#endif
-
- LockPixels (GetGWorldPixMap (pixmap));
-#endif
-
+ /* TODO: not sure what this function is supposed to do.. */
+ ns_retain_object (pixmap);
return pixmap;
}
-static void
-XPutPixel (ximage, x, y, pixel)
- XImagePtr ximage;
- int x, y;
- unsigned long pixel;
-{
-#if USE_MAC_IMAGE_IO
- if (ximage->bits_per_pixel == 32)
- ((unsigned int *)(ximage->data + y * ximage->bytes_per_line))[x] = pixel;
- else
- ((unsigned char *)(ximage->data + y * ximage->bytes_per_line))[x] = pixel;
-#else
- PixMapHandle pixmap = GetGWorldPixMap (ximage);
- short depth = GetPixDepth (pixmap);
-
-#if defined (WORDS_BIG_ENDIAN) || !USE_CG_DRAWING
- if (depth == 32)
- {
- char *base_addr = GetPixBaseAddr (pixmap);
- short row_bytes = GetPixRowBytes (pixmap);
-
- ((unsigned long *) (base_addr + y * row_bytes))[x] = 0xff000000 | pixel;
- }
- else
-#endif
- if (depth == 1)
- {
- char *base_addr = GetPixBaseAddr (pixmap);
- short row_bytes = GetPixRowBytes (pixmap);
-
- if (pixel == PIX_MASK_DRAW)
- base_addr[y * row_bytes + x / 8] |= (1 << 7) >> (x & 7);
- else
- base_addr[y * row_bytes + x / 8] &= ~((1 << 7) >> (x & 7));
- }
- else
- {
- CGrafPtr old_port;
- GDHandle old_gdh;
- RGBColor color;
-
- GetGWorld (&old_port, &old_gdh);
- SetGWorld (ximage, NULL);
-
- color.red = RED16_FROM_ULONG (pixel);
- color.green = GREEN16_FROM_ULONG (pixel);
- color.blue = BLUE16_FROM_ULONG (pixel);
-
- SetCPixel (x, y, &color);
-
- SetGWorld (old_port, old_gdh);
- }
-#endif
-}
-
-static unsigned long
-XGetPixel (ximage, x, y)
- XImagePtr ximage;
- int x, y;
+/* use with imgs created by ns_image_for_XPM */
+unsigned long
+XGetPixel (XImagePtr ximage, int x, int y)
{
-#if USE_MAC_IMAGE_IO
- if (ximage->bits_per_pixel == 32)
- return ((unsigned int *)(ximage->data + y * ximage->bytes_per_line))[x];
- else
- return ((unsigned char *)(ximage->data + y * ximage->bytes_per_line))[x];
-#else
- PixMapHandle pixmap = GetGWorldPixMap (ximage);
- short depth = GetPixDepth (pixmap);
-
-#if defined (WORDS_BIG_ENDIAN) || !USE_CG_DRAWING
- if (depth == 32)
- {
- char *base_addr = GetPixBaseAddr (pixmap);
- short row_bytes = GetPixRowBytes (pixmap);
-
- return ((unsigned long *) (base_addr + y * row_bytes))[x] & 0x00ffffff;
- }
- else
-#endif
- if (depth == 1)
- {
- char *base_addr = GetPixBaseAddr (pixmap);
- short row_bytes = GetPixRowBytes (pixmap);
-
- if (base_addr[y * row_bytes + x / 8] & (1 << (~x & 7)))
- return PIX_MASK_DRAW;
- else
- return PIX_MASK_RETAIN;
- }
- else
- {
- CGrafPtr old_port;
- GDHandle old_gdh;
- RGBColor color;
-
- GetGWorld (&old_port, &old_gdh);
- SetGWorld (ximage, NULL);
-
- GetCPixel (x, y, &color);
-
- SetGWorld (old_port, old_gdh);
- return RGB_TO_ULONG (color.red >> 8, color.green >> 8, color.blue >> 8);
- }
-#endif
-}
-
-static void
-XDestroyImage (ximg)
- XImagePtr ximg;
-{
-#if !USE_MAC_IMAGE_IO
- UnlockPixels (GetGWorldPixMap (ximg));
-#endif
+ return ns_get_pixel (ximage, x, y);
}
-#if USE_CG_DRAWING
-#if USE_MAC_IMAGE_IO
+/* use with imgs created by ns_image_for_XPM; alpha set to 1;
+ pixel is assumed to be in form RGB */
void
-mac_data_provider_release_data (info, data, size)
- void *info;
- const void *data;
- size_t size;
+XPutPixel (XImagePtr ximage, int x, int y, unsigned long pixel)
{
- xfree ((void *)data);
+ ns_put_pixel (ximage, x, y, pixel);
}
-#endif
-
-static CGImageRef
-mac_create_cg_image_from_image (f, img)
- struct frame *f;
- struct image *img;
-{
-#if USE_MAC_IMAGE_IO
- XImagePtr ximg = img->pixmap;
- CGDataProviderRef provider;
- CGImageRef result;
-
- if (img->mask)
- {
- int x, y;
- unsigned long color, alpha;
-
- for (y = 0; y < ximg->height; y++)
- for (x = 0; x < ximg->width; x++)
- {
- color = XGetPixel (ximg, x, y);
- alpha = XGetPixel (img->mask, x, y);
- XPutPixel (ximg, x, y,
- ARGB_TO_ULONG (alpha,
- RED_FROM_ULONG (color)
- * alpha / PIX_MASK_DRAW,
- GREEN_FROM_ULONG (color)
- * alpha / PIX_MASK_DRAW,
- BLUE_FROM_ULONG (color)
- * alpha / PIX_MASK_DRAW));
- }
- xfree (img->mask->data);
- img->mask->data = NULL;
- }
- BLOCK_INPUT;
- provider = CGDataProviderCreateWithData (NULL, ximg->data,
- ximg->bytes_per_line * ximg->height,
- mac_data_provider_release_data);
- ximg->data = NULL;
- result = CGImageCreate (ximg->width, ximg->height, 8, 32,
- ximg->bytes_per_line, mac_cg_color_space_rgb,
- (img->mask ? kCGImageAlphaPremultipliedFirst
- : kCGImageAlphaNoneSkipFirst)
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
- | kCGBitmapByteOrder32Host
-#endif
- , provider, NULL, 0, kCGRenderingIntentDefault);
- CGDataProviderRelease (provider);
- UNBLOCK_INPUT;
-
- return result;
-#else
- Pixmap mask;
- CGImageRef result = NULL;
-
- BLOCK_INPUT;
- if (img->mask)
- mask = img->mask;
- else
- {
- mask = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- img->width, img->height, 1);
- if (mask)
- {
- CGrafPtr old_port;
- GDHandle old_gdh;
- Rect r;
-
- GetGWorld (&old_port, &old_gdh);
- SetGWorld (mask, NULL);
- BackColor (blackColor); /* Don't mask. */
- SetRect (&r, 0, 0, img->width, img->height);
- EraseRect (&r);
- SetGWorld (old_port, old_gdh);
- }
- }
- if (mask)
- {
- CreateCGImageFromPixMaps (GetGWorldPixMap (img->pixmap),
- GetGWorldPixMap (mask), &result);
- if (mask != img->mask)
- XFreePixmap (FRAME_X_DISPLAY (f), mask);
- }
- UNBLOCK_INPUT;
-
- return result;
-#endif
-}
-#endif /* USE_CG_DRAWING */
-#endif /* MAC_OS */
+#endif /* HAVE_NS */
/* Functions to access the contents of a bitmap, given an id. */
int
-x_bitmap_height (f, id)
- FRAME_PTR f;
- int id;
+x_bitmap_height (FRAME_PTR f, int id)
{
return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height;
}
int
-x_bitmap_width (f, id)
- FRAME_PTR f;
- int id;
+x_bitmap_width (FRAME_PTR f, int id)
{
return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width;
}
#if defined (HAVE_X_WINDOWS) || defined (HAVE_NTGUI)
int
-x_bitmap_pixmap (f, id)
- FRAME_PTR f;
- int id;
+x_bitmap_pixmap (FRAME_PTR f, int id)
{
return (int) FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
}
#ifdef HAVE_X_WINDOWS
int
-x_bitmap_mask (f, id)
- FRAME_PTR f;
- int id;
+x_bitmap_mask (FRAME_PTR f, int id)
{
return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].mask;
}
/* Allocate a new bitmap record. Returns index of new record. */
static int
-x_allocate_bitmap_record (f)
- FRAME_PTR f;
+x_allocate_bitmap_record (FRAME_PTR f)
{
Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
int i;
/* Add one reference to the reference count of the bitmap with id ID. */
void
-x_reference_bitmap (f, id)
- FRAME_PTR f;
- int id;
+x_reference_bitmap (FRAME_PTR f, int id)
{
++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
}
/* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */
int
-x_create_bitmap_from_data (f, bits, width, height)
- struct frame *f;
- char *bits;
- unsigned int width, height;
+x_create_bitmap_from_data (struct frame *f, char *bits, unsigned int width, unsigned int height)
{
Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
int id;
return -1;
#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
- /* MAC_TODO: for now fail if width is not mod 16 (toolbox requires it) */
- if (width % 16 != 0)
- return -1;
+#ifdef HAVE_NS
+ void *bitmap = ns_image_from_XBM (bits, width, height);
+ if (!bitmap)
+ return -1;
#endif
id = x_allocate_bitmap_record (f);
-#ifdef MAC_OS
- dpyinfo->bitmaps[id - 1].bitmap_data = (char *) xmalloc (height * width);
- bcopy (bits, dpyinfo->bitmaps[id - 1].bitmap_data, height * width);
-#endif /* MAC_OS */
+
+#ifdef HAVE_NS
+ dpyinfo->bitmaps[id - 1].img = bitmap;
+ dpyinfo->bitmaps[id - 1].depth = 1;
+#endif
dpyinfo->bitmaps[id - 1].file = NULL;
dpyinfo->bitmaps[id - 1].height = height;
/* Create bitmap from file FILE for frame F. */
int
-x_create_bitmap_from_file (f, file)
- struct frame *f;
- Lisp_Object file;
+x_create_bitmap_from_file (struct frame *f, Lisp_Object file)
{
-#ifdef MAC_OS
- return -1; /* MAC_TODO : bitmap support */
-#endif /* MAC_OS */
+ Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
#ifdef HAVE_NTGUI
return -1; /* W32_TODO : bitmap support */
#endif /* HAVE_NTGUI */
+#ifdef HAVE_NS
+ int id;
+ void *bitmap = ns_image_from_file (file);
+
+ if (!bitmap)
+ return -1;
+
+
+ id = x_allocate_bitmap_record (f);
+ dpyinfo->bitmaps[id - 1].img = bitmap;
+ dpyinfo->bitmaps[id - 1].refcount = 1;
+ dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (SBYTES (file) + 1);
+ dpyinfo->bitmaps[id - 1].depth = 1;
+ dpyinfo->bitmaps[id - 1].height = ns_image_width (bitmap);
+ dpyinfo->bitmaps[id - 1].width = ns_image_height (bitmap);
+ strcpy (dpyinfo->bitmaps[id - 1].file, SDATA (file));
+ return id;
+#endif
+
#ifdef HAVE_X_WINDOWS
- Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
unsigned int width, height;
Pixmap bitmap;
int xhot, yhot, result, id;
/* Free bitmap B. */
static void
-Free_Bitmap_Record (dpyinfo, bm)
- Display_Info *dpyinfo;
- Bitmap_Record *bm;
+free_bitmap_record (Display_Info *dpyinfo, Bitmap_Record *bm)
{
#ifdef HAVE_X_WINDOWS
XFreePixmap (dpyinfo->display, bm->pixmap);
DeleteObject (bm->pixmap);
#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
- xfree (bm->bitmap_data); /* Added ++kfs */
- bm->bitmap_data = NULL;
-#endif /* MAC_OS */
+#ifdef HAVE_NS
+ ns_release_object (bm->img);
+#endif
if (bm->file)
{
/* Remove reference to bitmap with id number ID. */
void
-x_destroy_bitmap (f, id)
- FRAME_PTR f;
- int id;
+x_destroy_bitmap (FRAME_PTR f, int id)
{
Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
if (--bm->refcount == 0)
{
BLOCK_INPUT;
- Free_Bitmap_Record (dpyinfo, bm);
+ free_bitmap_record (dpyinfo, bm);
UNBLOCK_INPUT;
}
}
/* Free all the bitmaps for the display specified by DPYINFO. */
void
-x_destroy_all_bitmaps (dpyinfo)
- Display_Info *dpyinfo;
+x_destroy_all_bitmaps (Display_Info *dpyinfo)
{
int i;
Bitmap_Record *bm = dpyinfo->bitmaps;
for (i = 0; i < dpyinfo->bitmaps_last; i++, bm++)
if (bm->refcount > 0)
- Free_Bitmap_Record (dpyinfo, bm);
+ free_bitmap_record (dpyinfo, bm);
dpyinfo->bitmaps_last = 0;
}
/* Useful functions defined in the section
`Image type independent image structures' below. */
-static unsigned long four_corners_best P_ ((XImagePtr ximg,
- int *corners,
- unsigned long width,
- unsigned long height));
+static unsigned long four_corners_best (XImagePtr ximg,
+ int *corners,
+ unsigned long width,
+ unsigned long height);
-static int x_create_x_image_and_pixmap P_ ((struct frame *f, int width, int height,
- int depth, XImagePtr *ximg,
- Pixmap *pixmap));
+static int x_create_x_image_and_pixmap (struct frame *f, int width, int height,
+ int depth, XImagePtr *ximg,
+ Pixmap *pixmap);
-static void x_destroy_x_image P_ ((XImagePtr ximg));
+static void x_destroy_x_image (XImagePtr ximg);
/* Create a mask of a bitmap. Note is this not a perfect mask.
It's nicer with some borders in this context */
int
-x_create_bitmap_mask (f, id)
- struct frame *f;
- int id;
+x_create_bitmap_mask (struct frame *f, int id)
{
Pixmap pixmap, mask;
XImagePtr ximg, mask_img;
/* Keywords. */
-extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile;
-extern Lisp_Object QCdata, QCtype, Qcount;
-extern Lisp_Object Qcenter;
-Lisp_Object QCascent, QCmargin, QCrelief;
+Lisp_Object QCascent, QCmargin, QCrelief, Qcount, Qextension_data;
Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask;
Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask;
/* Function prototypes. */
-static Lisp_Object define_image_type P_ ((struct image_type *type, int loaded));
-static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
-static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
-static void x_laplace P_ ((struct frame *, struct image *));
-static void x_emboss P_ ((struct frame *, struct image *));
-static int x_build_heuristic_mask P_ ((struct frame *, struct image *,
- Lisp_Object));
+static Lisp_Object define_image_type (struct image_type *type, int loaded);
+static struct image_type *lookup_image_type (Lisp_Object symbol);
+static void image_error (const char *format, Lisp_Object, Lisp_Object);
+static void x_laplace (struct frame *, struct image *);
+static void x_emboss (struct frame *, struct image *);
+static int x_build_heuristic_mask (struct frame *, struct image *,
+ Lisp_Object);
#define CACHE_IMAGE_TYPE(type, status) \
do { Vimage_type_cache = Fcons (Fcons (type, status), Vimage_type_cache); } while (0)
image_types and caches the loading status of TYPE. */
static Lisp_Object
-define_image_type (type, loaded)
- struct image_type *type;
- int loaded;
+define_image_type (struct image_type *type, int loaded)
{
Lisp_Object success;
/* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
The initialized data segment is read-only. */
struct image_type *p = (struct image_type *) xmalloc (sizeof *p);
- bcopy (type, p, sizeof *p);
+ memcpy (p, type, sizeof *p);
p->next = image_types;
image_types = p;
success = Qt;
structure. Value is null if SYMBOL is not a known image type. */
static INLINE struct image_type *
-lookup_image_type (symbol)
- Lisp_Object symbol;
+lookup_image_type (Lisp_Object symbol)
{
struct image_type *type;
image type. */
int
-valid_image_p (object)
- Lisp_Object object;
+valid_image_p (Lisp_Object object)
{
int valid_p = 0;
therefore simply displays a message. */
static void
-image_error (format, arg1, arg2)
- char *format;
- Lisp_Object arg1, arg2;
+image_error (const char *format, Lisp_Object arg1, Lisp_Object arg2)
{
add_to_log (format, arg1, arg2);
}
struct image_keyword
{
/* Name of keyword. */
- char *name;
+ const char *name;
/* The type of value allowed. */
enum image_value_type type;
};
-static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *,
- int, Lisp_Object));
-static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *));
+static int parse_image_spec (Lisp_Object, struct image_keyword *,
+ int, Lisp_Object);
+static Lisp_Object image_spec_value (Lisp_Object, Lisp_Object, int *);
/* Parse image spec SPEC according to KEYWORDS. A valid image spec
allowed keyword/value pairs. Value is non-zero if SPEC is valid. */
static int
-parse_image_spec (spec, keywords, nkeywords, type)
- Lisp_Object spec;
- struct image_keyword *keywords;
- int nkeywords;
- Lisp_Object type;
+parse_image_spec (Lisp_Object spec, struct image_keyword *keywords,
+ int nkeywords, Lisp_Object type)
{
int i;
Lisp_Object plist;
to 1 if KEY was found in SPEC, set it to 0 otherwise. */
static Lisp_Object
-image_spec_value (spec, key, found)
- Lisp_Object spec, key;
- int *found;
+image_spec_value (Lisp_Object spec, Lisp_Object key, int *found)
{
Lisp_Object tail;
size in canonical character units.
FRAME is the frame on which the image will be displayed. FRAME nil
or omitted means use the selected frame. */)
- (spec, pixels, frame)
- Lisp_Object spec, pixels, frame;
+ (Lisp_Object spec, Lisp_Object pixels, Lisp_Object frame)
{
Lisp_Object size;
doc: /* Return t if image SPEC has a mask bitmap.
FRAME is the frame on which the image will be displayed. FRAME nil
or omitted means use the selected frame. */)
- (spec, frame)
- Lisp_Object spec, frame;
+ (Lisp_Object spec, Lisp_Object frame)
{
Lisp_Object mask;
return mask;
}
-DEFUN ("image-extension-data", Fimage_extension_data, Simage_extension_data, 1, 2, 0,
- doc: /* Return extension data for image SPEC.
+DEFUN ("image-metadata", Fimage_metadata, Simage_metadata, 1, 2, 0,
+ doc: /* Return metadata for image SPEC.
FRAME is the frame on which the image will be displayed. FRAME nil
or omitted means use the selected frame. */)
- (spec, frame)
- Lisp_Object spec, frame;
+ (Lisp_Object spec, Lisp_Object frame)
{
Lisp_Object ext;
Image type independent image structures
***********************************************************************/
-static struct image *make_image P_ ((Lisp_Object spec, unsigned hash));
-static void free_image P_ ((struct frame *f, struct image *img));
-static int check_image_size P_ ((struct frame *f, int width, int height));
+static struct image *make_image (Lisp_Object spec, unsigned hash);
+static void free_image (struct frame *f, struct image *img);
+static int check_image_size (struct frame *f, int width, int height);
#define MAX_IMAGE_SIZE 6.0
Lisp_Object Vmax_image_size;
SPEC. SPEC has a hash value of HASH. */
static struct image *
-make_image (spec, hash)
- Lisp_Object spec;
- unsigned hash;
+make_image (Lisp_Object spec, unsigned int hash)
{
struct image *img = (struct image *) xmalloc (sizeof *img);
+ Lisp_Object file = image_spec_value (spec, QCfile, NULL);
xassert (valid_image_p (spec));
- bzero (img, sizeof *img);
+ memset (img, 0, sizeof *img);
+ img->dependencies = NILP (file) ? Qnil : list1 (file);
img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL));
xassert (img->type != NULL);
img->spec = spec;
/* Free image IMG which was used on frame F, including its resources. */
static void
-free_image (f, img)
- struct frame *f;
- struct image *img;
+free_image (struct frame *f, struct image *img)
{
if (img)
{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image_cache *c = FRAME_IMAGE_CACHE (f);
/* Remove IMG from the hash table of its cache. */
if (img->prev)
/* Free resources, then free IMG. */
img->type->free (f, img);
xfree (img);
+
+ /* As display glyphs may still be referring to the image ID, we
+ must garbage the frame (Bug#6426). */
+ SET_FRAME_GARBAGED (f);
}
}
otherwise, return 0. */
int
-check_image_size (f, width, height)
- struct frame *f;
- int width;
- int height;
+check_image_size (struct frame *f, int width, int height)
{
int w, h;
drawing an image. */
void
-prepare_image_for_display (f, img)
- struct frame *f;
- struct image *img;
+prepare_image_for_display (struct frame *f, struct image *img)
{
EMACS_TIME t;
if (img->pixmap == NO_PIXMAP && !img->load_failed_p)
img->load_failed_p = img->type->load (f, img) == 0;
-#if defined (MAC_OS) && USE_CG_DRAWING
- if (!img->load_failed_p && img->data.ptr_val == NULL)
- {
- img->data.ptr_val = mac_create_cg_image_from_image (f, img);
- if (img->data.ptr_val == NULL)
- {
- img->load_failed_p = 1;
- img->type->free (f, img);
- }
- }
-#endif
}
drawn in face FACE. */
int
-image_ascent (img, face, slice)
- struct image *img;
- struct face *face;
- struct glyph_slice *slice;
+image_ascent (struct image *img, struct face *face, struct glyph_slice *slice)
{
int height;
int ascent;
{
#ifdef HAVE_NTGUI
/* W32 specific version. Why?. ++kfs */
- ascent = height / 2 - (FONT_DESCENT(face->font)
- - FONT_BASE(face->font)) / 2;
+ ascent = height / 2 - (FONT_DESCENT (face->font)
+ - FONT_BASE (face->font)) / 2;
#else
/* This expression is arranged so that if the image can't be
exactly centered, it will be moved slightly up. This is
because a typical font is `top-heavy' (due to the presence
uppercase letters), so the image placement should err towards
being top-heavy too. It also just generally looks better. */
- ascent = (height + face->font->ascent - face->font->descent + 1) / 2;
+ ascent = (height + FONT_BASE(face->font)
+ - FONT_DESCENT(face->font) + 1) / 2;
#endif /* HAVE_NTGUI */
}
else
On W32, XIMG is assumed to a device context with the bitmap selected. */
static RGB_PIXEL_COLOR
-four_corners_best (ximg, corners, width, height)
- XImagePtr_or_DC ximg;
- int *corners;
- unsigned long width, height;
+four_corners_best (XImagePtr_or_DC ximg, int *corners,
+ unsigned long width, unsigned long height)
{
RGB_PIXEL_COLOR corner_pixels[4], best;
int i, best_count;
#define Free_Pixmap(display, pixmap) \
DeleteObject (pixmap)
+#elif defined (HAVE_NS)
+
+#define Destroy_Image(ximg, dummy) \
+ ns_release_object (ximg)
+
+#define Free_Pixmap(display, pixmap) \
+ ns_release_object (pixmap)
+
#else
#define Destroy_Image(ximg, dummy) \
#define Free_Pixmap(display, pixmap) \
XFreePixmap (display, pixmap)
-#endif /* HAVE_NTGUI */
+#endif /* !HAVE_NTGUI && !HAVE_NS */
/* Return the `background' field of IMG. If IMG doesn't have one yet,
use for the heuristic. */
RGB_PIXEL_COLOR
-image_background (img, f, ximg)
- struct image *img;
- struct frame *f;
- XImagePtr_or_DC ximg;
+image_background (struct image *img, struct frame *f, XImagePtr_or_DC ximg)
{
if (! img->background_valid)
/* IMG doesn't have a background yet, try to guess a reasonable value. */
existing XImage object to use for the heuristic. */
int
-image_background_transparent (img, f, mask)
- struct image *img;
- struct frame *f;
- XImagePtr_or_DC mask;
+image_background_transparent (struct image *img, struct frame *f, XImagePtr_or_DC mask)
{
if (! img->background_transparent_valid)
/* IMG doesn't have a background yet, try to guess a reasonable value. */
Helper functions for X image types
***********************************************************************/
-static void x_clear_image_1 P_ ((struct frame *, struct image *, int,
- int, int));
-static void x_clear_image P_ ((struct frame *f, struct image *img));
-static unsigned long x_alloc_image_color P_ ((struct frame *f,
- struct image *img,
- Lisp_Object color_name,
- unsigned long dflt));
+static void x_clear_image_1 (struct frame *, struct image *, int,
+ int, int);
+static void x_clear_image (struct frame *f, struct image *img);
+static unsigned long x_alloc_image_color (struct frame *f,
+ struct image *img,
+ Lisp_Object color_name,
+ unsigned long dflt);
/* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means
the image, if any. */
static void
-x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p)
- struct frame *f;
- struct image *img;
- int pixmap_p, mask_p, colors_p;
+x_clear_image_1 (struct frame *f, struct image *img, int pixmap_p, int mask_p,
+ int colors_p)
{
if (pixmap_p && img->pixmap)
{
Free_Pixmap (FRAME_X_DISPLAY (f), img->pixmap);
img->pixmap = NO_PIXMAP;
+ /* NOTE (HAVE_NS): background color is NOT an indexed color! */
img->background_valid = 0;
}
if (colors_p && img->ncolors)
{
- /* MAC_TODO: color table support. */
/* W32_TODO: color table support. */
#ifdef HAVE_X_WINDOWS
x_free_colors (f, img->colors, img->ncolors);
img->ncolors = 0;
}
-#if defined (MAC_OS) && USE_CG_DRAWING
- if (img->data.ptr_val)
- {
- CGImageRelease (img->data.ptr_val);
- img->data.ptr_val = NULL;
- }
-#endif
}
/* Free X resources of image IMG which is used on frame F. */
static void
-x_clear_image (f, img)
- struct frame *f;
- struct image *img;
+x_clear_image (struct frame *f, struct image *img)
{
BLOCK_INPUT;
x_clear_image_1 (f, img, 1, 1, 1);
color. */
static unsigned long
-x_alloc_image_color (f, img, color_name, dflt)
- struct frame *f;
- struct image *img;
- Lisp_Object color_name;
- unsigned long dflt;
+x_alloc_image_color (struct frame *f, struct image *img, Lisp_Object color_name,
+ unsigned long dflt)
{
XColor color;
unsigned long result;
Image Cache
***********************************************************************/
-static struct image *search_image_cache P_ ((struct frame *, Lisp_Object, unsigned));
-static void cache_image P_ ((struct frame *f, struct image *img));
-static void postprocess_image P_ ((struct frame *, struct image *));
+static struct image *search_image_cache (struct frame *, Lisp_Object, unsigned);
+static void cache_image (struct frame *f, struct image *img);
+static void postprocess_image (struct frame *, struct image *);
/* Return a new, initialized image cache that is allocated from the
heap. Call free_image_cache to free an image cache. */
struct image_cache *
-make_image_cache ()
+make_image_cache (void)
{
struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c);
int size;
- bzero (c, sizeof *c);
+ memset (c, 0, sizeof *c);
c->size = 50;
c->images = (struct image **) xmalloc (c->size * sizeof *c->images);
size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets;
c->buckets = (struct image **) xmalloc (size);
- bzero (c->buckets, size);
+ memset (c->buckets, 0, size);
return c;
}
/* Find an image matching SPEC in the cache, and return it. If no
image is found, return NULL. */
static struct image *
-search_image_cache (f, spec, hash)
- struct frame *f;
- Lisp_Object spec;
- unsigned hash;
+search_image_cache (struct frame *f, Lisp_Object spec, unsigned int hash)
{
struct image *img;
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image_cache *c = FRAME_IMAGE_CACHE (f);
int i = hash % IMAGE_CACHE_BUCKETS_SIZE;
if (!c) return NULL;
/* Search frame F for an image with spec SPEC, and free it. */
static void
-uncache_image (f, spec)
- struct frame *f;
- Lisp_Object spec;
+uncache_image (struct frame *f, Lisp_Object spec)
{
struct image *img = search_image_cache (f, spec, sxhash (spec, 0));
if (img)
caches. */
void
-free_image_cache (f)
- struct frame *f;
+free_image_cache (struct frame *f)
{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image_cache *c = FRAME_IMAGE_CACHE (f);
if (c)
{
int i;
xfree (c->images);
xfree (c->buckets);
xfree (c);
- FRAME_X_IMAGE_CACHE (f) = NULL;
+ FRAME_IMAGE_CACHE (f) = NULL;
}
}
-/* Clear image cache of frame F. FORCE_P non-zero means free all
- images. FORCE_P zero means clear only images that haven't been
- displayed for some time. Should be called from time to time to
- reduce the number of loaded images. If image-cache-eviction-delay
- is non-nil, this frees images in the cache which weren't displayed
- for at least that many seconds. */
+/* Clear image cache of frame F. FILTER=t means free all images.
+ FILTER=nil means clear only images that haven't been
+ displayed for some time.
+ Else, only free the images which have FILTER in their `dependencies'.
+ Should be called from time to time to reduce the number of loaded images.
+ If image-cache-eviction-delay is non-nil, this frees images in the cache
+ which weren't displayed for at least that many seconds. */
void
-clear_image_cache (f, force_p)
- struct frame *f;
- int force_p;
+clear_image_cache (struct frame *f, Lisp_Object filter)
{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image_cache *c = FRAME_IMAGE_CACHE (f);
- if (c && INTEGERP (Vimage_cache_eviction_delay))
+ if (c)
{
- EMACS_TIME t;
- unsigned long old;
- int i, nfreed;
-
- EMACS_GET_TIME (t);
- old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay);
+ int i, nfreed = 0;
/* Block input so that we won't be interrupted by a SIGIO
while being in an inconsistent state. */
BLOCK_INPUT;
- for (i = nfreed = 0; i < c->used; ++i)
+ if (!NILP (filter))
{
- struct image *img = c->images[i];
- if (img != NULL
- && (force_p || img->timestamp < old))
+ /* Filter image cache. */
+ for (i = 0; i < c->used; ++i)
{
- free_image (f, img);
- ++nfreed;
+ struct image *img = c->images[i];
+ if (img && (EQ (Qt, filter)
+ || !NILP (Fmember (filter, img->dependencies))))
+ {
+ free_image (f, img);
+ ++nfreed;
+ }
+ }
+ }
+ else if (INTEGERP (Vimage_cache_eviction_delay))
+ {
+ /* Free cache based on timestamp. */
+ EMACS_TIME t;
+ unsigned long old;
+ int delay, nimages = 0;
+
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i])
+ nimages++;
+
+ /* If the number of cached images has grown unusually large,
+ decrease the cache eviction delay (Bug#6230). */
+ delay = XFASTINT (Vimage_cache_eviction_delay);
+ if (nimages > 40)
+ delay = max (1, 1600 * delay / (nimages*nimages));
+
+ EMACS_GET_TIME (t);
+ old = EMACS_SECS (t) - delay;
+
+ for (i = 0; i < c->used; ++i)
+ {
+ struct image *img = c->images[i];
+ if (img && img->timestamp < old)
+ {
+ free_image (f, img);
+ ++nfreed;
+ }
}
}
FOR_EACH_FRAME (tail, frame)
{
struct frame *f = XFRAME (frame);
- if (FRAME_WINDOW_P (f)
- && FRAME_X_IMAGE_CACHE (f) == c)
+ if (FRAME_IMAGE_CACHE (f) == c)
clear_current_matrices (f);
}
}
}
+void
+clear_image_caches (Lisp_Object filter)
+{
+ /* FIXME: We want to do
+ * struct terminal *t;
+ * for (t = terminal_list; t; t = t->next_terminal)
+ * clear_image_cache (t, filter); */
+ Lisp_Object tail, frame;
+ FOR_EACH_FRAME (tail, frame)
+ if (FRAME_WINDOW_P (XFRAME (frame)))
+ clear_image_cache (XFRAME (frame), filter);
+}
DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache,
0, 1, 0,
- doc: /* Clear the image cache of FRAME.
-FRAME nil or omitted means use the selected frame.
-FRAME t means clear the image caches of all frames. */)
- (frame)
- Lisp_Object frame;
-{
- if (EQ (frame, Qt))
- {
- Lisp_Object tail;
-
- FOR_EACH_FRAME (tail, frame)
- if (FRAME_WINDOW_P (XFRAME (frame)))
- clear_image_cache (XFRAME (frame), 1);
- }
+ doc: /* Clear the image cache.
+FILTER nil or a frame means clear all images in the selected frame.
+FILTER t means clear the image caches of all frames.
+Anything else, means only clear those images which refer to FILTER,
+which is then usually a filename. */)
+ (Lisp_Object filter)
+{
+ if (!(EQ (filter, Qnil) || FRAMEP (filter)))
+ clear_image_caches (filter);
else
- clear_image_cache (check_x_frame (frame), 1);
+ clear_image_cache (check_x_frame (filter), Qt);
return Qnil;
}
-DEFUN ("image-refresh", Fimage_refresh, Simage_refresh,
+DEFUN ("image-flush", Fimage_flush, Simage_flush,
1, 2, 0,
- doc: /* Refresh the image with specification SPEC on frame FRAME.
-If SPEC specifies an image file, the displayed image is updated with
-the current contents of that file.
+ doc: /* Fush the image with specification SPEC on frame FRAME.
+This removes the image from the Emacs image cache. If SPEC specifies
+an image file, the next redisplay of this image will read from the
+current contents of that file.
+
FRAME nil or omitted means use the selected frame.
FRAME t means refresh the image on all frames. */)
- (spec, frame)
- Lisp_Object spec, frame;
+ (Lisp_Object spec, Lisp_Object frame)
{
if (!valid_image_p (spec))
error ("Invalid image specification");
by the image's specification, */
static void
-postprocess_image (f, img)
- struct frame *f;
- struct image *img;
+postprocess_image (struct frame *f, struct image *img)
{
/* Manipulation of the image's mask. */
if (img->pixmap)
SPEC must be a valid Lisp image specification (see valid_image_p). */
int
-lookup_image (f, spec)
- struct frame *f;
- Lisp_Object spec;
+lookup_image (struct frame *f, Lisp_Object spec)
{
+ struct image_cache *c;
struct image *img;
unsigned hash;
struct gcpro gcpro1;
xassert (FRAME_WINDOW_P (f));
xassert (valid_image_p (spec));
+ c = FRAME_IMAGE_CACHE (f);
+
GCPRO1 (spec);
/* Look up SPEC in the hash table of the image cache. */
/* If not found, create a new image and cache it. */
if (img == NULL)
{
- extern Lisp_Object Qpostscript;
-
BLOCK_INPUT;
img = make_image (spec, hash);
cache_image (f, img);
if (INTEGERP (relief))
{
img->relief = XINT (relief);
- img->hmargin += abs (img->relief);
- img->vmargin += abs (img->relief);
+ img->hmargin += eabs (img->relief);
+ img->vmargin += eabs (img->relief);
}
if (! img->background_valid)
/* Cache image IMG in the image cache of frame F. */
static void
-cache_image (f, img)
- struct frame *f;
- struct image *img;
+cache_image (struct frame *f, struct image *img)
{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image_cache *c = FRAME_IMAGE_CACHE (f);
int i;
/* Find a free slot in c->images. */
/* Call FN on every image in the image cache of frame F. Used to mark
Lisp Objects in the image cache. */
+/* Mark Lisp objects in image IMG. */
+
+static void
+mark_image (struct image *img)
+{
+ mark_object (img->spec);
+ mark_object (img->dependencies);
+
+ if (!NILP (img->data.lisp_val))
+ mark_object (img->data.lisp_val);
+}
+
+
void
-forall_images_in_image_cache (f, fn)
- struct frame *f;
- void (*fn) P_ ((struct image *img));
+mark_image_cache (struct image_cache *c)
{
- if (FRAME_LIVE_P (f) && FRAME_WINDOW_P (f))
+ if (c)
{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
- if (c)
- {
- int i;
- for (i = 0; i < c->used; ++i)
- if (c->images[i])
- fn (c->images[i]);
- }
+ int i;
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i])
+ mark_image (c->images[i]);
}
}
\f
/***********************************************************************
- X / MAC / W32 support code
+ X / NS / W32 support code
***********************************************************************/
#ifdef HAVE_NTGUI
/* Load a DLL implementing an image type.
The `image-library-alist' variable associates a symbol,
- identifying an image type, to a list of possible filenames.
+ identifying an image type, to a list of possible filenames.
The function returns NULL if no library could be loaded for
the given image type, or if the library was previously loaded;
else the handle of the DLL. */
#endif /* HAVE_NTGUI */
-static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int,
- XImagePtr *, Pixmap *));
-static void x_destroy_x_image P_ ((XImagePtr));
-static void x_put_x_image P_ ((struct frame *, XImagePtr, Pixmap, int, int));
+static int x_create_x_image_and_pixmap (struct frame *, int, int, int,
+ XImagePtr *, Pixmap *);
+static void x_destroy_x_image (XImagePtr);
+static void x_put_x_image (struct frame *, XImagePtr, Pixmap, int, int);
/* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
should indicate the bit depth of the image. */
static int
-x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap)
- struct frame *f;
- int width, height, depth;
- XImagePtr *ximg;
- Pixmap *pixmap;
+x_create_x_image_and_pixmap (struct frame *f, int width, int height, int depth,
+ XImagePtr *ximg, Pixmap *pixmap)
{
#ifdef HAVE_X_WINDOWS
Display *display = FRAME_X_DISPLAY (f);
return 0;
}
- header = &((*ximg)->info.bmiHeader);
- bzero (&((*ximg)->info), sizeof (BITMAPINFO));
+ header = &(*ximg)->info.bmiHeader;
+ memset (&(*ximg)->info, 0, sizeof (BITMAPINFO));
header->biSize = sizeof (*header);
header->biWidth = width;
header->biHeight = -height; /* negative indicates a top-down bitmap. */
if (*pixmap == NULL)
{
- DWORD err = GetLastError();
+ DWORD err = GetLastError ();
Lisp_Object errcode;
/* All system errors are < 10000, so the following is safe. */
XSETINT (errcode, (int) err);
#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
- Display *display = FRAME_X_DISPLAY (f);
- Window window = FRAME_X_WINDOW (f);
-
- xassert (interrupt_input_blocked);
-
- /* Allocate a pixmap of the same size. */
- *pixmap = XCreatePixmap (display, window, width, height, depth);
- if (*pixmap == NO_PIXMAP)
+#ifdef HAVE_NS
+ *pixmap = ns_image_for_XPM (width, height, depth);
+ if (*pixmap == 0)
{
*ximg = NULL;
- image_error ("Unable to create X pixmap", Qnil, Qnil);
+ image_error ("Unable to allocate NSImage for XPM pixmap", Qnil, Qnil);
return 0;
}
-
-#if !USE_MAC_IMAGE_IO
- LockPixels (GetGWorldPixMap (*pixmap));
-#endif
*ximg = *pixmap;
return 1;
-
-#endif /* MAC_OS */
+#endif
}
/* Destroy XImage XIMG. Free XIMG->data. */
static void
-x_destroy_x_image (ximg)
- XImagePtr ximg;
+x_destroy_x_image (XImagePtr ximg)
{
xassert (interrupt_input_blocked);
if (ximg)
ximg->data = NULL;
xfree (ximg);
#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
- XDestroyImage (ximg);
-#endif /* MAC_OS */
+#ifdef HAVE_NS
+ ns_release_object (ximg);
+#endif /* HAVE_NS */
}
}
are width and height of both the image and pixmap. */
static void
-x_put_x_image (f, ximg, pixmap, width, height)
- struct frame *f;
- XImagePtr ximg;
- Pixmap pixmap;
- int width, height;
+x_put_x_image (struct frame *f, XImagePtr ximg, Pixmap pixmap, int width, int height)
{
#ifdef HAVE_X_WINDOWS
GC gc;
#endif
#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
+#ifdef HAVE_NS
xassert (ximg == pixmap);
-#endif /* MAC_OS */
+ ns_retain_object (ximg);
+#endif
}
\f
File Handling
***********************************************************************/
-static unsigned char *slurp_file P_ ((char *, int *));
+static unsigned char *slurp_file (char *, int *);
-/* Find image file FILE. Look in data-directory, then
+/* Find image file FILE. Look in data-directory/images, then
x-bitmap-file-path. Value is the encoded full name of the file
found, or nil if not found. */
Lisp_Object
-x_find_image_file (file)
- Lisp_Object file;
+x_find_image_file (Lisp_Object file)
{
Lisp_Object file_found, search_path;
struct gcpro gcpro1, gcpro2;
int fd;
file_found = Qnil;
- search_path = Fcons (Vdata_directory, Vx_bitmap_file_path);
+ /* TODO I think this should use something like image-load-path
+ instead. Unfortunately, that can contain non-string elements. */
+ search_path = Fcons (Fexpand_file_name (build_string ("images"),
+ Vdata_directory),
+ Vx_bitmap_file_path);
GCPRO2 (file_found, search_path);
- /* Try to find FILE in data-directory, then x-bitmap-file-path. */
+ /* Try to find FILE in data-directory/images, then x-bitmap-file-path. */
fd = openp (search_path, file, Qnil, &file_found, Qnil);
if (fd == -1)
occurred. *SIZE is set to the size of the file. */
static unsigned char *
-slurp_file (file, size)
- char *file;
- int *size;
+slurp_file (char *file, int *size)
{
FILE *fp = NULL;
unsigned char *buf = NULL;
\f
-#ifdef MAC_OS
-
-/***********************************************************************
- MAC Image Load Functions
- ***********************************************************************/
-
-#if USE_MAC_IMAGE_IO
-static int
-image_load_image_io (f, img, type)
- struct frame *f;
- struct image *img;
- CFStringRef type;
-{
- CFDictionaryRef options, src_props = NULL, props = NULL;
- CFStringRef keys[2];
- CFTypeRef values[2];
- Lisp_Object specified_file, specified_data;
- CGImageSourceRef source = NULL;
- size_t count;
- CGImageRef image = NULL;
- int loop_count = -1;
- double delay_time = -1.0;
- int width, height;
- XImagePtr ximg = NULL;
- CGContextRef context;
- CGRect rectangle;
- int has_alpha_p, gif_p;
-
- gif_p = UTTypeEqual (type, kUTTypeGIF);
-
- keys[0] = kCGImageSourceTypeIdentifierHint;
- values[0] = (CFTypeRef) type;
- keys[1] = kCGImageSourceShouldCache;
- values[1] = (CFTypeRef) kCFBooleanFalse;
- options = CFDictionaryCreate (NULL, (const void **) keys,
- (const void **) values,
- sizeof (keys) / sizeof (keys[0]),
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- if (options == NULL)
- {
- image_error ("Error creating options for image `%s'", img->spec, Qnil);
- return 0;
- }
-
- /* Open the file. */
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
-
- if (NILP (specified_data))
- {
- Lisp_Object file;
- CFStringRef path;
- CFURLRef url;
-
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- return 0;
- }
- path = cfstring_create_with_utf8_cstring (SDATA (file));
- if (path)
- {
- url = CFURLCreateWithFileSystemPath (NULL, path,
- kCFURLPOSIXPathStyle, 0);
- CFRelease (path);
- if (url)
- {
- source = CGImageSourceCreateWithURL (url, NULL);
- CFRelease (url);
- }
- }
- }
- else
- {
- CFDataRef data = CFDataCreate (NULL, SDATA (specified_data),
- SBYTES (specified_data));
-
- if (data)
- {
- source = CGImageSourceCreateWithData (data, options);
- CFRelease (data);
- }
- }
- CFRelease (options);
-
- if (source)
- {
- CFStringRef real_type = CGImageSourceGetType (source);
-
- if (real_type && UTTypeEqual (type, real_type))
- src_props = CGImageSourceCopyProperties (source, NULL);
- if (src_props)
- {
- EMACS_INT ino = 0;
-
- count = CGImageSourceGetCount (source);
- if (gif_p)
- {
- Lisp_Object image = image_spec_value (img->spec, QCindex, NULL);
-
- if (INTEGERP (image))
- ino = XFASTINT (image);
- }
- if (ino >= 0 && ino < count)
- {
- props = CGImageSourceCopyPropertiesAtIndex (source, ino, NULL);
- if (props)
- image = CGImageSourceCreateImageAtIndex (source, ino, NULL);
- }
- }
- CFRelease (source);
- }
-
- if (image == NULL)
- {
- if (src_props)
- CFRelease (src_props);
- if (props)
- CFRelease (props);
- image_error ("Error reading image `%s'", img->spec, Qnil);
- return 0;
- }
- else
- {
- CFBooleanRef boolean;
-
- if (CFDictionaryGetValueIfPresent (props, kCGImagePropertyHasAlpha,
- (const void **) &boolean))
- has_alpha_p = CFBooleanGetValue (boolean);
- if (gif_p)
- {
- CFDictionaryRef dict;
- CFNumberRef number;
-
- dict = CFDictionaryGetValue (src_props,
- kCGImagePropertyGIFDictionary);
- if (dict
- && CFDictionaryGetValueIfPresent (dict,
- kCGImagePropertyGIFLoopCount,
- (const void **) &number))
- CFNumberGetValue (number, kCFNumberIntType, &loop_count);
-
- dict = CFDictionaryGetValue (props, kCGImagePropertyGIFDictionary);
- if (dict
- && CFDictionaryGetValueIfPresent (dict,
- kCGImagePropertyGIFDelayTime,
- (const void **) &number))
- CFNumberGetValue (number, kCFNumberDoubleType, &delay_time);
- }
- CFRelease (src_props);
- CFRelease (props);
- }
-
- width = img->width = CGImageGetWidth (image);
- height = img->height = CGImageGetHeight (image);
-
- if (!check_image_size (f, width, height))
- {
- CGImageRelease (image);
- image_error ("Invalid image size", Qnil, Qnil);
- return 0;
- }
-
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- {
- CGImageRelease (image);
- image_error ("Out of memory (%s)", img->spec, Qnil);
- return 0;
- }
- rectangle = CGRectMake (0, 0, width, height);
-
- context = CGBitmapContextCreate (ximg->data, ximg->width, ximg->height, 8,
- ximg->bytes_per_line,
- mac_cg_color_space_rgb,
- kCGImageAlphaNoneSkipFirst
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
- | kCGBitmapByteOrder32Host
-#endif
- );
- if (has_alpha_p)
- {
- Lisp_Object specified_bg;
- XColor color;
-
- specified_bg = image_spec_value (img->spec, QCbackground, NULL);
- if (!STRINGP (specified_bg)
- || !mac_defined_color (f, SDATA (specified_bg), &color, 0))
- {
- color.pixel = FRAME_BACKGROUND_PIXEL (f);
- color.red = RED16_FROM_ULONG (color.pixel);
- color.green = GREEN16_FROM_ULONG (color.pixel);
- color.blue = BLUE16_FROM_ULONG (color.pixel);
- }
- CGContextSetRGBFillColor (context, color.red / 65535.0,
- color.green / 65535.0,
- color.blue / 65535.0, 1.0);
- CGContextFillRect (context, rectangle);
- }
- CGContextDrawImage (context, rectangle, image);
- CGContextRelease (context);
- CGImageRelease (image);
-
- /* Save GIF image extension data for `image-extension-data'.
- Format is (count IMAGES
- 0xff "NETSCAPE2.0" 0x00 DATA_SUB_BLOCK_FOR_LOOP_COUNT
- 0xf9 GRAPHIC_CONTROL_EXTENSION_BLOCK). */
- if (gif_p)
- {
- img->data.lisp_val = Qnil;
- if (delay_time >= 0)
- {
- Lisp_Object gce = make_uninit_string (4);
- int centisec = delay_time * 100.0 + 0.5;
-
- /* Fill the delay time field. */
- SSET (gce, 1, centisec & 0xff);
- SSET (gce, 2, (centisec >> 8) & 0xff);
- /* We don't know about other fields. */
- SSET (gce, 0, 0);
- SSET (gce, 3, 0);
- img->data.lisp_val = Fcons (make_number (0xf9),
- Fcons (gce,
- img->data.lisp_val));
- }
- if (loop_count >= 0)
- {
- Lisp_Object data_sub_block = make_uninit_string (3);
-
- SSET (data_sub_block, 0, 0x01);
- SSET (data_sub_block, 1, loop_count & 0xff);
- SSET (data_sub_block, 2, (loop_count >> 8) & 0xff);
- img->data.lisp_val = Fcons (make_number (0),
- Fcons (data_sub_block,
- img->data.lisp_val));
- img->data.lisp_val = Fcons (make_number (0xff),
- Fcons (build_string ("NETSCAPE2.0"),
- img->data.lisp_val));
- }
- if (count > 1)
- img->data.lisp_val = Fcons (Qcount,
- Fcons (make_number (count),
- img->data.lisp_val));
- }
-
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
- return 1;
-}
-#else /* !USE_MAC_IMAGE_IO */
-static int image_load_quicktime P_ ((struct frame *, struct image *img,
- OSType));
-#ifdef MAC_OSX
-static int image_load_quartz2d P_ ((struct frame *, struct image *img, int));
-#endif
-
-static OSErr
-find_image_fsspec (specified_file, file, fss)
- Lisp_Object specified_file, *file;
- FSSpec *fss;
-{
- OSErr err;
- AEDesc desc;
-
- *file = x_find_image_file (specified_file);
- if (!STRINGP (*file))
- return fnfErr; /* file or directory not found;
- incomplete pathname */
- /* Try to open the image file. */
- err = AECoercePtr (TYPE_FILE_NAME, SDATA (*file),
- SBYTES (*file), typeFSS, &desc);
- if (err == noErr)
- {
-#if TARGET_API_MAC_CARBON
- err = AEGetDescData (&desc, fss, sizeof (FSSpec));
-#else
- *fss = *(FSSpec *)(*(desc.dataHandle));
-#endif
- AEDisposeDesc (&desc);
- }
- return err;
-}
-
-static int
-image_load_qt_1 (f, img, type, fss, dh)
- struct frame *f;
- struct image *img;
- OSType type;
- const FSSpec *fss;
- Handle dh;
-{
- ComponentResult err;
- GraphicsImportComponent gi;
- Rect rect;
- int width, height;
- ImageDescriptionHandle desc_handle;
- short draw_all_pixels;
- Lisp_Object specified_bg;
- XColor color;
- XImagePtr ximg;
- RGBColor bg_color;
-
- err = OpenADefaultComponent (GraphicsImporterComponentType, type, &gi);
- if (err != noErr)
- {
- image_error ("Cannot get importer component for `%s'", img->spec, Qnil);
- return 0;
- }
- if (dh == NULL)
- {
- /* read from file system spec */
- err = GraphicsImportSetDataFile (gi, fss);
- if (err != noErr)
- {
- image_error ("Cannot set fsspec to graphics importer for '%s'",
- img->spec, Qnil);
- goto error;
- }
- }
- else
- {
- /* read from data handle */
- err = GraphicsImportSetDataHandle (gi, dh);
- if (err != noErr)
- {
- image_error ("Cannot set data handle to graphics importer for `%s'",
- img->spec, Qnil);
- goto error;
- }
- }
- err = GraphicsImportGetImageDescription (gi, &desc_handle);
- if (err != noErr || desc_handle == NULL)
- {
- image_error ("Error reading `%s'", img->spec, Qnil);
- goto error;
- }
- width = img->width = (*desc_handle)->width;
- height = img->height = (*desc_handle)->height;
- DisposeHandle ((Handle)desc_handle);
-
- if (!check_image_size (f, width, height))
- {
- image_error ("Invalid image size", Qnil, Qnil);
- goto error;
- }
-
- err = GraphicsImportDoesDrawAllPixels (gi, &draw_all_pixels);
-#if 0
- /* Don't check the error code here. It may have an undocumented
- value -32766. */
- if (err != noErr)
- {
- image_error ("Error reading `%s'", img->spec, Qnil);
- goto error;
- }
-#endif
- if (draw_all_pixels != graphicsImporterDrawsAllPixels)
- {
- specified_bg = image_spec_value (img->spec, QCbackground, NULL);
- if (!STRINGP (specified_bg) ||
- !mac_defined_color (f, SDATA (specified_bg), &color, 0))
- {
- color.pixel = FRAME_BACKGROUND_PIXEL (f);
- color.red = RED16_FROM_ULONG (color.pixel);
- color.green = GREEN16_FROM_ULONG (color.pixel);
- color.blue = BLUE16_FROM_ULONG (color.pixel);
- }
- }
-
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- goto error;
- if (draw_all_pixels != graphicsImporterDrawsAllPixels)
- {
- CGrafPtr old_port;
- GDHandle old_gdh;
-
- GetGWorld (&old_port, &old_gdh);
- SetGWorld (ximg, NULL);
- bg_color.red = color.red;
- bg_color.green = color.green;
- bg_color.blue = color.blue;
- RGBBackColor (&bg_color);
-#if TARGET_API_MAC_CARBON
- GetPortBounds (ximg, &rect);
- EraseRect (&rect);
-#else
- EraseRect (&(ximg->portRect));
-#endif
- SetGWorld (old_port, old_gdh);
- }
- GraphicsImportSetGWorld (gi, ximg, NULL);
- GraphicsImportDraw (gi);
- CloseComponent (gi);
-
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
- return 1;
-
- error:
- CloseComponent (gi);
- return 0;
-}
-
-
-/* Load an image using the QuickTime Graphics Importer.
- Note: The alpha channel does not work for PNG images. */
-static int
-image_load_quicktime (f, img, type)
- struct frame *f;
- struct image *img;
- OSType type;
-{
- Lisp_Object specified_file;
- Lisp_Object specified_data;
- OSErr err;
-
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
-
- if (NILP (specified_data))
- {
- /* Read from a file */
- Lisp_Object file;
- FSSpec fss;
-
- err = find_image_fsspec (specified_file, &file, &fss);
- if (err != noErr)
- {
- if (err == fnfErr)
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- else
- image_error ("Cannot open `%s'", file, Qnil);
- return 0;
- }
- return image_load_qt_1 (f, img, type, &fss, NULL);
- }
- else
- {
- /* Memory source! */
- int success_p;
- Handle dh;
-
- err = PtrToHand (SDATA (specified_data), &dh, SBYTES (specified_data));
- if (err != noErr)
- {
- image_error ("Cannot allocate data handle for `%s'",
- img->spec, Qnil);
- return 0;
- }
- success_p = image_load_qt_1 (f, img, type, NULL, dh);
- DisposeHandle (dh);
- return success_p;
- }
-}
-
-
-#ifdef MAC_OSX
-static int
-image_load_quartz2d (f, img, png_p)
- struct frame *f;
- struct image *img;
- int png_p;
-{
- Lisp_Object file, specified_file;
- Lisp_Object specified_data, specified_bg;
- struct gcpro gcpro1;
- CGDataProviderRef source;
- CGImageRef image;
- int width, height;
- XColor color;
- XImagePtr ximg = NULL;
- CGContextRef context;
- CGRect rectangle;
-
- /* Open the file. */
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
-
- file = Qnil;
- GCPRO1 (file);
-
- if (NILP (specified_data))
- {
- CFStringRef path;
- CFURLRef url;
-
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- UNGCPRO;
- return 0;
- }
- path = cfstring_create_with_utf8_cstring (SDATA (file));
- url = CFURLCreateWithFileSystemPath (NULL, path,
- kCFURLPOSIXPathStyle, 0);
- CFRelease (path);
- source = CGDataProviderCreateWithURL (url);
- CFRelease (url);
- }
- else
- source = CGDataProviderCreateWithData (NULL, SDATA (specified_data),
- SBYTES (specified_data), NULL);
-
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
- if (png_p)
- image = CGImageCreateWithPNGDataProvider (source, NULL, false,
- kCGRenderingIntentDefault);
- else
-#endif
- image = CGImageCreateWithJPEGDataProvider (source, NULL, false,
- kCGRenderingIntentDefault);
-
- CGDataProviderRelease (source);
- if (image == NULL)
- {
- UNGCPRO;
- image_error ("Error reading image `%s'", img->spec, Qnil);
- return 0;
- }
- width = img->width = CGImageGetWidth (image);
- height = img->height = CGImageGetHeight (image);
-
- if (!check_image_size (f, width, height))
- {
- CGImageRelease (image);
- UNGCPRO;
- image_error ("Invalid image size", Qnil, Qnil);
- return 0;
- }
-
- if (png_p)
- {
- specified_bg = image_spec_value (img->spec, QCbackground, NULL);
- if (!STRINGP (specified_bg) ||
- !mac_defined_color (f, SDATA (specified_bg), &color, 0))
- {
- color.pixel = FRAME_BACKGROUND_PIXEL (f);
- color.red = RED16_FROM_ULONG (color.pixel);
- color.green = GREEN16_FROM_ULONG (color.pixel);
- color.blue = BLUE16_FROM_ULONG (color.pixel);
- }
- }
-
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- {
- CGImageRelease (image);
- UNGCPRO;
- return 0;
- }
- rectangle = CGRectMake (0, 0, width, height);
- QDBeginCGContext (ximg, &context);
- if (png_p)
- {
- CGContextSetRGBFillColor (context, color.red / 65535.0,
- color.green / 65535.0,
- color.blue / 65535.0, 1.0);
- CGContextFillRect (context, rectangle);
- }
- CGContextDrawImage (context, rectangle, image);
- QDEndCGContext (ximg, &context);
- CGImageRelease (image);
-
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
- UNGCPRO;
- return 1;
-}
-#endif
-#endif /* !USE_MAC_IMAGE_IO */
-
-#endif /* MAC_OS */
-
-\f
/***********************************************************************
XBM images
***********************************************************************/
-static int xbm_scan P_ ((unsigned char **, unsigned char *, char *, int *));
-static int xbm_load P_ ((struct frame *f, struct image *img));
-static int xbm_load_image P_ ((struct frame *f, struct image *img,
- unsigned char *, unsigned char *));
-static int xbm_image_p P_ ((Lisp_Object object));
-static int xbm_read_bitmap_data P_ ((struct frame *f,
- unsigned char *, unsigned char *,
- int *, int *, unsigned char **));
-static int xbm_file_p P_ ((Lisp_Object));
+static int xbm_scan (unsigned char **, unsigned char *, char *, int *);
+static int xbm_load (struct frame *f, struct image *img);
+static int xbm_load_image (struct frame *f, struct image *img,
+ unsigned char *, unsigned char *);
+static int xbm_image_p (Lisp_Object object);
+static int xbm_read_bitmap_data (struct frame *f,
+ unsigned char *, unsigned char *,
+ int *, int *, unsigned char **, int);
+static int xbm_file_p (Lisp_Object);
/* Indices of image specification fields in xbm_format, below. */
/* Vector of image_keyword structures describing the format
of valid XBM image specifications. */
-static struct image_keyword xbm_format[XBM_LAST] =
+static const struct image_keyword xbm_format[XBM_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":file", IMAGE_STRING_VALUE, 0},
displayed is used. */
static int
-xbm_image_p (object)
- Lisp_Object object;
+xbm_image_p (Lisp_Object object)
{
struct image_keyword kw[XBM_LAST];
- bcopy (xbm_format, kw, sizeof kw);
+ memcpy (kw, xbm_format, sizeof kw);
if (!parse_image_spec (object, kw, XBM_LAST, Qxbm))
return 0;
scanning a number, store its value in *IVAL. */
static int
-xbm_scan (s, end, sval, ival)
- unsigned char **s, *end;
- char *sval;
- int *ival;
+xbm_scan (unsigned char **s, unsigned char *end, char *sval, int *ival)
{
unsigned int c;
w1 = (width + 7) / 8; /* nb of 8bits elt in X bitmap */
w2 = ((width + 15) / 16) * 2; /* nb of 16bits elt in W32 bitmap */
bits = (unsigned char *) alloca (height * w2);
- bzero (bits, height * w2);
+ memset (bits, 0, height * w2);
for (i = 0; i < height; i++)
{
p = bits + i*w2;
}
static void
-convert_mono_to_color_image (f, img, foreground, background)
- struct frame *f;
- struct image *img;
- COLORREF foreground, background;
+convert_mono_to_color_image (struct frame *f, struct image *img,
+ COLORREF foreground, COLORREF background)
{
HDC hdc, old_img_dc, new_img_dc;
HGDIOBJ old_prev, new_prev;
static void
-Create_Pixmap_From_Bitmap_Data(f, img, data, fg, bg, non_default_colors)
- struct frame *f;
- struct image *img;
- char *data;
- RGB_PIXEL_COLOR fg, bg;
- int non_default_colors;
+Create_Pixmap_From_Bitmap_Data (struct frame *f, struct image *img, char *data,
+ RGB_PIXEL_COLOR fg, RGB_PIXEL_COLOR bg,
+ int non_default_colors)
{
#ifdef HAVE_NTGUI
img->pixmap
/* If colors were specified, transfer the bitmap to a color one. */
if (non_default_colors)
convert_mono_to_color_image (f, img, fg, bg);
+
+#elif defined (HAVE_NS)
+ img->pixmap = ns_image_from_XBM (data, img->width, img->height);
+
#else
img->pixmap
= XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f),
img->width, img->height,
fg, bg,
DefaultDepthOfScreen (FRAME_X_SCREEN (f)));
-#endif /* HAVE_NTGUI */
+#endif /* !HAVE_NTGUI && !HAVE_NS */
}
buffer's end. Set *WIDTH and *HEIGHT to the width and height of
the image. Return in *DATA the bitmap data allocated with xmalloc.
Value is non-zero if successful. DATA null means just test if
- CONTENTS looks like an in-memory XBM file. */
+ CONTENTS looks like an in-memory XBM file. If INHIBIT_IMAGE_ERROR
+ is non-zero, inhibit the call to image_error when the image size is
+ invalid (the bitmap remains unread). */
static int
-xbm_read_bitmap_data (f, contents, end, width, height, data)
- struct frame *f;
- unsigned char *contents, *end;
- int *width, *height;
- unsigned char **data;
+xbm_read_bitmap_data (struct frame *f, unsigned char *contents, unsigned char *end,
+ int *width, int *height, unsigned char **data,
+ int inhibit_image_error)
{
unsigned char *s = contents;
char buffer[BUFSIZ];
}
if (!check_image_size (f, *width, *height))
- goto failure;
+ {
+ if (!inhibit_image_error)
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
+ goto failure;
+ }
else if (data == NULL)
goto success;
successful. */
static int
-xbm_load_image (f, img, contents, end)
- struct frame *f;
- struct image *img;
- unsigned char *contents, *end;
+xbm_load_image (struct frame *f, struct image *img, unsigned char *contents,
+ unsigned char *end)
{
int rc;
unsigned char *data;
int success_p = 0;
- rc = xbm_read_bitmap_data (f, contents, end, &img->width, &img->height, &data);
+ rc = xbm_read_bitmap_data (f, contents, end, &img->width, &img->height,
+ &data, 0);
if (rc)
{
unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
/* Value is non-zero if DATA looks like an in-memory XBM file. */
static int
-xbm_file_p (data)
- Lisp_Object data;
+xbm_file_p (Lisp_Object data)
{
int w, h;
return (STRINGP (data)
&& xbm_read_bitmap_data (NULL, SDATA (data),
- (SDATA (data)
- + SBYTES (data)),
- &w, &h, NULL));
+ (SDATA (data) + SBYTES (data)),
+ &w, &h, NULL, 1));
}
non-zero if successful. */
static int
-xbm_load (f, img)
- struct frame *f;
- struct image *img;
+xbm_load (struct frame *f, struct image *img)
{
int success_p = 0;
Lisp_Object file_name;
in_memory_file_p = xbm_file_p (data);
/* Parse the image specification. */
- bcopy (xbm_format, fmt, sizeof fmt);
+ memcpy (fmt, xbm_format, sizeof fmt);
parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm);
xassert (parsed_p);
{
Lisp_Object line = XVECTOR (data)->contents[i];
if (STRINGP (line))
- bcopy (SDATA (line), p, nbytes);
+ memcpy (p, SDATA (line), nbytes);
else
- bcopy (XBOOL_VECTOR (line)->data, p, nbytes);
+ memcpy (p, XBOOL_VECTOR (line)->data, nbytes);
}
}
else if (STRINGP (data))
int nbytes, i;
/* Windows mono bitmaps are reversed compared with X. */
invertedBits = bits;
- nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR
+ nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR
* img->height;
- bits = (char *) alloca(nbytes);
+ bits = (char *) alloca (nbytes);
for (i = 0; i < nbytes; i++)
bits[i] = XBM_BIT_SHUFFLE (invertedBits[i]);
}
XPM images
***********************************************************************/
-#if defined (HAVE_XPM) || defined (MAC_OS)
+#if defined (HAVE_XPM) || defined (HAVE_NS)
-static int xpm_image_p P_ ((Lisp_Object object));
-static int xpm_load P_ ((struct frame *f, struct image *img));
-static int xpm_valid_color_symbols_p P_ ((Lisp_Object));
+static int xpm_image_p (Lisp_Object object);
+static int xpm_load (struct frame *f, struct image *img);
+static int xpm_valid_color_symbols_p (Lisp_Object);
-#endif /* HAVE_XPM || MAC_OS */
+#endif /* HAVE_XPM || HAVE_NS */
#ifdef HAVE_XPM
#ifdef HAVE_NTGUI
#endif /* HAVE_NTGUI */
#endif /* HAVE_XPM */
-#if defined (HAVE_XPM) || defined (MAC_OS)
+#if defined (HAVE_XPM) || defined (HAVE_NS)
/* The symbol `xpm' identifying XPM-format images. */
Lisp_Object Qxpm;
/* Vector of image_keyword structures describing the format
of valid XPM image specifications. */
-static struct image_keyword xpm_format[XPM_LAST] =
+static const struct image_keyword xpm_format[XPM_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":file", IMAGE_STRING_VALUE, 0},
#ifdef ALLOC_XPM_COLORS
-static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *));
-static void xpm_free_color_cache P_ ((void));
-static int xpm_lookup_color P_ ((struct frame *, char *, XColor *));
-static int xpm_color_bucket P_ ((char *));
-static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *,
- XColor *, int));
+static void xpm_init_color_cache (struct frame *, XpmAttributes *);
+static void xpm_free_color_cache (void);
+static int xpm_lookup_color (struct frame *, char *, XColor *);
+static int xpm_color_bucket (char *);
+static struct xpm_cached_color *xpm_cache_color (struct frame *, char *,
+ XColor *, int);
/* An entry in a hash table used to cache color definitions of named
colors. This cache is necessary to speed up XPM image loading in
/* Initialize the color cache. */
static void
-xpm_init_color_cache (f, attrs)
- struct frame *f;
- XpmAttributes *attrs;
+xpm_init_color_cache (struct frame *f, XpmAttributes *attrs)
{
size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache;
xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes);
/* Free the color cache. */
static void
-xpm_free_color_cache ()
+xpm_free_color_cache (void)
{
struct xpm_cached_color *p, *next;
int i;
cache. */
static int
-xpm_color_bucket (color_name)
- char *color_name;
+xpm_color_bucket (char *color_name)
{
unsigned h = 0;
char *s;
entry added. */
static struct xpm_cached_color *
-xpm_cache_color (f, color_name, color, bucket)
- struct frame *f;
- char *color_name;
- XColor *color;
- int bucket;
+xpm_cache_color (struct frame *f, char *color_name, XColor *color, int bucket)
{
size_t nbytes;
struct xpm_cached_color *p;
allocation failed. */
static int
-xpm_lookup_color (f, color_name, color)
- struct frame *f;
- char *color_name;
- XColor *color;
+xpm_lookup_color (struct frame *f, char *color_name, XColor *color)
{
struct xpm_cached_color *p;
int h = xpm_color_bucket (color_name);
with transparency, and it's useful. */
else if (strcmp ("opaque", color_name) == 0)
{
- bzero (color, sizeof (XColor)); /* Is this necessary/correct? */
+ memset (color, 0, sizeof (XColor)); /* Is this necessary/correct? */
color->pixel = FRAME_FOREGROUND_PIXEL (f);
p = xpm_cache_color (f, color_name, color, h);
}
if successful. */
static int
-xpm_alloc_color (dpy, cmap, color_name, color, closure)
- Display *dpy;
- Colormap cmap;
- char *color_name;
- XColor *color;
- void *closure;
+xpm_alloc_color (Display *dpy, Colormap cmap, char *color_name, XColor *color,
+ void *closure)
{
return xpm_lookup_color ((struct frame *) closure, color_name, color);
}
non-zero if successful. */
static int
-xpm_free_colors (dpy, cmap, pixels, npixels, closure)
- Display *dpy;
- Colormap cmap;
- Pixel *pixels;
- int npixels;
- void *closure;
+xpm_free_colors (Display *dpy, Colormap cmap, Pixel *pixels, int npixels, void *closure)
{
return 1;
}
cdr are strings. */
static int
-xpm_valid_color_symbols_p (color_symbols)
- Lisp_Object color_symbols;
+xpm_valid_color_symbols_p (Lisp_Object color_symbols)
{
while (CONSP (color_symbols))
{
/* Value is non-zero if OBJECT is a valid XPM image specification. */
static int
-xpm_image_p (object)
- Lisp_Object object;
+xpm_image_p (Lisp_Object object)
{
struct image_keyword fmt[XPM_LAST];
- bcopy (xpm_format, fmt, sizeof fmt);
+ memcpy (fmt, xpm_format, sizeof fmt);
return (parse_image_spec (object, fmt, XPM_LAST, Qxpm)
/* Either `:file' or `:data' must be present. */
&& fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1
|| xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value)));
}
-#endif /* HAVE_XPM || MAC_OS */
+#endif /* HAVE_XPM || HAVE_NS */
#if defined (HAVE_XPM) && defined (HAVE_X_WINDOWS)
int
-x_create_bitmap_from_xpm_data (f, bits)
- struct frame *f;
- char **bits;
+x_create_bitmap_from_xpm_data (struct frame *f, char **bits)
{
Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
int id, rc;
XpmAttributes attrs;
Pixmap bitmap, mask;
- bzero (&attrs, sizeof attrs);
+ memset (&attrs, 0, sizeof attrs);
attrs.visual = FRAME_X_VISUAL (f);
attrs.colormap = FRAME_X_COLORMAP (f);
#ifdef HAVE_XPM
static int
-xpm_load (f, img)
- struct frame *f;
- struct image *img;
+xpm_load (struct frame *f, struct image *img)
{
int rc;
XpmAttributes attrs;
/* Configure the XPM lib. Use the visual of frame F. Allocate
close colors. Return colors allocated. */
- bzero (&attrs, sizeof attrs);
+ memset (&attrs, 0, sizeof attrs);
#ifndef HAVE_NTGUI
attrs.visual = FRAME_X_VISUAL (f);
/* Allocate an XpmColorSymbol array. */
size = attrs.numsymbols * sizeof *xpm_syms;
xpm_syms = (XpmColorSymbol *) alloca (size);
- bzero (xpm_syms, size);
+ memset (xpm_syms, 0, size);
attrs.colorsymbols = xpm_syms;
/* Fill the color symbol array. */
#endif /* HAVE_XPM */
-#ifdef MAC_OS
+#if defined (HAVE_NS) && !defined (HAVE_XPM)
-/* XPM support functions for Mac OS where libxpm is not available.
+/* XPM support functions for NS where libxpm is not available.
Only XPM version 3 (without any extensions) is supported. */
-static int xpm_scan P_ ((const unsigned char **, const unsigned char *,
- const unsigned char **, int *));
+static int xpm_scan (const unsigned char **, const unsigned char *,
+ const unsigned char **, int *);
static Lisp_Object xpm_make_color_table_v
- P_ ((void (**) (Lisp_Object, const unsigned char *, int, Lisp_Object),
- Lisp_Object (**) (Lisp_Object, const unsigned char *, int)));
-static void xpm_put_color_table_v P_ ((Lisp_Object, const unsigned char *,
- int, Lisp_Object));
-static Lisp_Object xpm_get_color_table_v P_ ((Lisp_Object,
- const unsigned char *, int));
+ (void (**) (Lisp_Object, const unsigned char *, int, Lisp_Object),
+ Lisp_Object (**) (Lisp_Object, const unsigned char *, int));
+static void xpm_put_color_table_v (Lisp_Object, const unsigned char *,
+ int, Lisp_Object);
+static Lisp_Object xpm_get_color_table_v (Lisp_Object,
+ const unsigned char *, int);
static Lisp_Object xpm_make_color_table_h
- P_ ((void (**) (Lisp_Object, const unsigned char *, int, Lisp_Object),
- Lisp_Object (**) (Lisp_Object, const unsigned char *, int)));
-static void xpm_put_color_table_h P_ ((Lisp_Object, const unsigned char *,
- int, Lisp_Object));
-static Lisp_Object xpm_get_color_table_h P_ ((Lisp_Object,
- const unsigned char *, int));
-static int xpm_str_to_color_key P_ ((const char *));
-static int xpm_load_image P_ ((struct frame *, struct image *,
- const unsigned char *, const unsigned char *));
+ (void (**) (Lisp_Object, const unsigned char *, int, Lisp_Object),
+ Lisp_Object (**) (Lisp_Object, const unsigned char *, int));
+static void xpm_put_color_table_h (Lisp_Object, const unsigned char *,
+ int, Lisp_Object);
+static Lisp_Object xpm_get_color_table_h (Lisp_Object,
+ const unsigned char *, int);
+static int xpm_str_to_color_key (const char *);
+static int xpm_load_image (struct frame *, struct image *,
+ const unsigned char *, const unsigned char *);
/* Tokens returned from xpm_scan. */
length of the corresponding token, respectively. */
static int
-xpm_scan (s, end, beg, len)
- const unsigned char **s, *end, **beg;
- int *len;
+xpm_scan (const unsigned char **s,
+ const unsigned char *end,
+ const unsigned char **beg,
+ int *len)
{
int c;
hash table is used. */
static Lisp_Object
-xpm_make_color_table_v (put_func, get_func)
- void (**put_func) (Lisp_Object, const unsigned char *, int, Lisp_Object);
- Lisp_Object (**get_func) (Lisp_Object, const unsigned char *, int);
+xpm_make_color_table_v (void (**put_func) (Lisp_Object,
+ const unsigned char *,
+ int,
+ Lisp_Object),
+ Lisp_Object (**get_func) (Lisp_Object,
+ const unsigned char *,
+ int))
{
*put_func = xpm_put_color_table_v;
*get_func = xpm_get_color_table_v;
}
static void
-xpm_put_color_table_v (color_table, chars_start, chars_len, color)
- Lisp_Object color_table;
- const unsigned char *chars_start;
- int chars_len;
- Lisp_Object color;
+xpm_put_color_table_v (Lisp_Object color_table,
+ const unsigned char *chars_start,
+ int chars_len,
+ Lisp_Object color)
{
XVECTOR (color_table)->contents[*chars_start] = color;
}
static Lisp_Object
-xpm_get_color_table_v (color_table, chars_start, chars_len)
- Lisp_Object color_table;
- const unsigned char *chars_start;
- int chars_len;
+xpm_get_color_table_v (Lisp_Object color_table,
+ const unsigned char *chars_start,
+ int chars_len)
{
return XVECTOR (color_table)->contents[*chars_start];
}
static Lisp_Object
-xpm_make_color_table_h (put_func, get_func)
- void (**put_func) (Lisp_Object, const unsigned char *, int, Lisp_Object);
- Lisp_Object (**get_func) (Lisp_Object, const unsigned char *, int);
+xpm_make_color_table_h (void (**put_func) (Lisp_Object,
+ const unsigned char *,
+ int,
+ Lisp_Object),
+ Lisp_Object (**get_func) (Lisp_Object,
+ const unsigned char *,
+ int))
{
*put_func = xpm_put_color_table_h;
*get_func = xpm_get_color_table_h;
}
static void
-xpm_put_color_table_h (color_table, chars_start, chars_len, color)
- Lisp_Object color_table;
- const unsigned char *chars_start;
- int chars_len;
- Lisp_Object color;
+xpm_put_color_table_h (Lisp_Object color_table,
+ const unsigned char *chars_start,
+ int chars_len,
+ Lisp_Object color)
{
struct Lisp_Hash_Table *table = XHASH_TABLE (color_table);
unsigned hash_code;
}
static Lisp_Object
-xpm_get_color_table_h (color_table, chars_start, chars_len)
- Lisp_Object color_table;
- const unsigned char *chars_start;
- int chars_len;
+xpm_get_color_table_h (Lisp_Object color_table,
+ const unsigned char *chars_start,
+ int chars_len)
{
struct Lisp_Hash_Table *table = XHASH_TABLE (color_table);
int i = hash_lookup (table, make_unibyte_string (chars_start, chars_len),
static const char xpm_color_key_strings[][4] = {"s", "m", "g4", "g", "c"};
static int
-xpm_str_to_color_key (s)
- const char *s;
+xpm_str_to_color_key (const char *s)
{
int i;
}
static int
-xpm_load_image (f, img, contents, end)
- struct frame *f;
- struct image *img;
- const unsigned char *contents, *end;
+xpm_load_image (struct frame *f,
+ struct image *img,
+ const unsigned char *contents,
+ const unsigned char *end)
{
const unsigned char *s = contents, *beg, *str;
unsigned char buffer[BUFSIZ];
if (!(end - s >= 9 && memcmp (s, "/* XPM */", 9) == 0))
goto failure;
s += 9;
- match();
+ match ();
expect_ident ("static");
expect_ident ("char");
expect ('*');
if (!check_image_size (f, width, height))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
goto failure;
}
if (CONSP (specified_color) && STRINGP (XCDR (specified_color)))
{
- if (xstricmp (SDATA (XCDR (specified_color)), "None") == 0)
+ if (xstrcasecmp (SDATA (XCDR (specified_color)), "None") == 0)
color_val = Qt;
else if (x_defined_color (f, SDATA (XCDR (specified_color)),
&cdef, 0))
}
if (NILP (color_val) && max_key > 0)
{
- if (xstricmp (max_color, "None") == 0)
+ if (xstrcasecmp (max_color, "None") == 0)
color_val = Qt;
else if (x_defined_color (f, max_color, &cdef, 0))
color_val = make_number (cdef.pixel);
if (!x_create_x_image_and_pixmap (f, width, height, 0,
&ximg, &img->pixmap)
+#ifndef HAVE_NS
|| !x_create_x_image_and_pixmap (f, width, height, 1,
- &mask_img, &img->mask))
+ &mask_img, &img->mask)
+#endif
+ )
{
image_error ("Out of memory (%s)", img->spec, Qnil);
goto error;
XPutPixel (ximg, x, y,
(INTEGERP (color_val) ? XINT (color_val)
: FRAME_FOREGROUND_PIXEL (f)));
+#ifndef HAVE_NS
XPutPixel (mask_img, x, y,
(!EQ (color_val, Qt) ? PIX_MASK_DRAW
: (have_mask = 1, PIX_MASK_RETAIN)));
+#else
+ if (EQ (color_val, Qt))
+ ns_set_alpha (ximg, x, y, 0);
+#endif
}
if (y + 1 < height)
expect (',');
x_put_x_image (f, ximg, img->pixmap, width, height);
x_destroy_x_image (ximg);
+#ifndef HAVE_NS
if (have_mask)
{
/* Fill in the background_transparent field while we have the
Free_Pixmap (FRAME_X_DISPLAY (f), img->mask);
img->mask = NO_PIXMAP;
}
-
+#endif
return 1;
failure:
}
static int
-xpm_load (f, img)
- struct frame *f;
- struct image *img;
+xpm_load (struct frame *f,
+ struct image *img)
{
int success_p = 0;
Lisp_Object file_name;
return success_p;
}
-#endif /* MAC_OS */
+#endif /* HAVE_NS && !HAVE_XPM */
\f
/* Initialize the color table. */
static void
-init_color_table ()
+init_color_table (void)
{
int size = CT_SIZE * sizeof (*ct_table);
ct_table = (struct ct_color **) xmalloc (size);
- bzero (ct_table, size);
+ memset (ct_table, 0, size);
ct_colors_allocated = 0;
}
/* Free memory associated with the color table. */
static void
-free_color_table ()
+free_color_table (void)
{
int i;
struct ct_color *p, *next;
G, B, and make an entry in the color table. */
static unsigned long
-lookup_rgb_color (f, r, g, b)
- struct frame *f;
- int r, g, b;
+lookup_rgb_color (struct frame *f, int r, int g, int b)
{
unsigned hash = CT_HASH_RGB (r, g, b);
int i = hash % CT_SIZE;
table. If not already present, allocate it. Value is PIXEL. */
static unsigned long
-lookup_pixel_color (f, pixel)
- struct frame *f;
- unsigned long pixel;
+lookup_pixel_color (struct frame *f, unsigned long pixel)
{
int i = pixel % CT_SIZE;
struct ct_color *p;
allocated via xmalloc. Set *N to the number of colors. */
static unsigned long *
-colors_in_color_table (n)
- int *n;
+colors_in_color_table (int *n)
{
int i, j;
struct ct_color *p;
#else /* COLOR_TABLE_SUPPORT */
static unsigned long
-lookup_rgb_color (f, r, g, b)
- struct frame *f;
- int r, g, b;
+lookup_rgb_color (struct frame *f, int r, int g, int b)
{
unsigned long pixel;
-#ifdef MAC_OS
- pixel = RGB_TO_ULONG (r >> 8, g >> 8, b >> 8);
- gamma_correct (f, &pixel);
-#endif /* MAC_OS */
-
#ifdef HAVE_NTGUI
pixel = PALETTERGB (r >> 8, g >> 8, b >> 8);
#endif /* HAVE_NTGUI */
+#ifdef HAVE_NS
+ pixel = RGB_TO_ULONG (r >> 8, g >> 8, b >> 8);
+#endif /* HAVE_NS */
return pixel;
}
static void
-init_color_table ()
+init_color_table (void)
{
}
#endif /* COLOR_TABLE_SUPPORT */
Algorithms
***********************************************************************/
-static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int));
-static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *));
-static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int));
+static XColor *x_to_xcolors (struct frame *, struct image *, int);
+static void x_from_xcolors (struct frame *, struct image *, XColor *);
+static void x_detect_edges (struct frame *, struct image *, int[9], int);
#ifdef HAVE_NTGUI
static void XPutPixel (XImagePtr , int, int, COLORREF);
allocated with xmalloc; it must be freed by the caller. */
static XColor *
-x_to_xcolors (f, img, rgb_p)
- struct frame *f;
- struct image *img;
- int rgb_p;
+x_to_xcolors (struct frame *f, struct image *img, int rgb_p)
{
int x, y;
XColor *colors, *p;
{
XColor *row = p;
-#ifdef HAVE_X_WINDOWS
+#if defined (HAVE_X_WINDOWS) || defined (HAVE_NTGUI)
for (x = 0; x < img->width; ++x, ++p)
- p->pixel = XGetPixel (ximg, x, y);
+ p->pixel = GET_PIXEL (ximg, x, y);
if (rgb_p)
x_query_colors (f, row, img->width);
p->pixel = GET_PIXEL (ximg, x, y);
if (rgb_p)
{
-#ifdef MAC_OS
p->red = RED16_FROM_ULONG (p->pixel);
p->green = GREEN16_FROM_ULONG (p->pixel);
p->blue = BLUE16_FROM_ULONG (p->pixel);
-#endif /* MAC_OS */
-#ifdef HAVE_NTGUI
- p->red = 256 * GetRValue (p->pixel);
- p->green = 256 * GetGValue (p->pixel);
- p->blue = 256 * GetBValue (p->pixel);
-#endif /* HAVE_NTGUI */
}
}
#endif /* HAVE_X_WINDOWS */
stored in ximg->data. */
static void
-XPutPixel (ximg, x, y, color)
- XImagePtr ximg;
- int x, y;
- COLORREF color;
+XPutPixel (XImagePtr ximg, int x, int y, COLORREF color)
{
int width = ximg->info.bmiHeader.biWidth;
int height = ximg->info.bmiHeader.biHeight;
COLORS will be freed; an existing IMG->pixmap will be freed, too. */
static void
-x_from_xcolors (f, img, colors)
- struct frame *f;
- struct image *img;
- XColor *colors;
+x_from_xcolors (struct frame *f, struct image *img, XColor *colors)
{
int x, y;
- XImagePtr oimg;
+ XImagePtr oimg = NULL;
Pixmap pixmap;
XColor *p;
outgoing image. */
static void
-x_detect_edges (f, img, matrix, color_adjust)
- struct frame *f;
- struct image *img;
- int matrix[9], color_adjust;
+x_detect_edges (struct frame *f, struct image *img, int *matrix, int color_adjust)
{
XColor *colors = x_to_xcolors (f, img, 1);
XColor *new, *p;
int x, y, i, sum;
for (i = sum = 0; i < 9; ++i)
- sum += abs (matrix[i]);
+ sum += eabs (matrix[i]);
#define COLOR(A, X, Y) ((A) + (Y) * img->width + (X))
on frame F. */
static void
-x_emboss (f, img)
- struct frame *f;
- struct image *img;
+x_emboss (struct frame *f, struct image *img)
{
x_detect_edges (f, img, emboss_matrix, 0xffff / 2);
}
to draw disabled buttons, for example. */
static void
-x_laplace (f, img)
- struct frame *f;
- struct image *img;
+x_laplace (struct frame *f, struct image *img)
{
x_detect_edges (f, img, laplace_matrix, 45000);
}
number. */
static void
-x_edge_detection (f, img, matrix, color_adjust)
- struct frame *f;
- struct image *img;
- Lisp_Object matrix, color_adjust;
+x_edge_detection (struct frame *f, struct image *img, Lisp_Object matrix,
+ Lisp_Object color_adjust)
{
int i = 0;
int trans[9];
/* Transform image IMG on frame F so that it looks disabled. */
static void
-x_disable_image (f, img)
- struct frame *f;
- struct image *img;
+x_disable_image (struct frame *f, struct image *img)
{
Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
#ifdef HAVE_NTGUI
Display *dpy = FRAME_X_DISPLAY (f);
GC gc;
-#ifdef MAC_OS
-#define MaskForeground(f) PIX_MASK_DRAW
-#else
+#ifndef HAVE_NS /* TODO: NS support, however this not needed for toolbars */
+
#define MaskForeground(f) WHITE_PIX_DEFAULT (f)
-#endif
gc = XCreateGC (dpy, img->pixmap, 0, NULL);
XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f));
img->width - 1, 0);
XFreeGC (dpy, gc);
}
+#endif /* !HAVE_NS */
#else
HDC hdc, bmpdc;
HGDIOBJ prev;
heuristically. Value is non-zero if successful. */
static int
-x_build_heuristic_mask (f, img, how)
- struct frame *f;
- struct image *img;
- Lisp_Object how;
+x_build_heuristic_mask (struct frame *f, struct image *img, Lisp_Object how)
{
XImagePtr_or_DC ximg;
#ifndef HAVE_NTGUI
}
#ifndef HAVE_NTGUI
+#ifndef HAVE_NS
/* Create an image and pixmap serving as mask. */
rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1,
&mask_img, &img->mask);
if (!rc)
return 0;
+#endif /* !HAVE_NS */
/* Get the X image of IMG->pixmap. */
ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, 0, 0,
/* Create the bit array serving as mask. */
row_width = (img->width + 7) / 8;
mask_img = xmalloc (row_width * img->height);
- bzero (mask_img, row_width * img->height);
+ memset (mask_img, 0, row_width * img->height);
/* Create a memory device context for IMG->pixmap. */
frame_dc = get_frame_dc (f);
#ifndef HAVE_NTGUI
for (y = 0; y < img->height; ++y)
for (x = 0; x < img->width; ++x)
+#ifndef HAVE_NS
XPutPixel (mask_img, x, y, (XGetPixel (ximg, x, y) != bg
? PIX_MASK_DRAW : PIX_MASK_RETAIN));
-
+#else
+ if (XGetPixel (ximg, x, y) == bg)
+ ns_set_alpha (ximg, x, y, 0);
+#endif /* HAVE_NS */
+#ifndef HAVE_NS
/* Fill in the background_transparent field while we have the mask handy. */
image_background_transparent (img, f, mask_img);
/* Put mask_img into img->mask. */
x_put_x_image (f, mask_img, img->mask, img->width, img->height);
x_destroy_x_image (mask_img);
-
+#endif /* !HAVE_NS */
#else
for (y = 0; y < img->height; ++y)
for (x = 0; x < img->width; ++x)
PBM (mono, gray, color)
***********************************************************************/
-static int pbm_image_p P_ ((Lisp_Object object));
-static int pbm_load P_ ((struct frame *f, struct image *img));
-static int pbm_scan_number P_ ((unsigned char **, unsigned char *));
+static int pbm_image_p (Lisp_Object object);
+static int pbm_load (struct frame *f, struct image *img);
+static int pbm_scan_number (unsigned char **, unsigned char *);
/* The symbol `pbm' identifying images of this type. */
/* Vector of image_keyword structures describing the format
of valid user-defined image specifications. */
-static struct image_keyword pbm_format[PBM_LAST] =
+static const struct image_keyword pbm_format[PBM_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":file", IMAGE_STRING_VALUE, 0},
/* Return non-zero if OBJECT is a valid PBM image specification. */
static int
-pbm_image_p (object)
- Lisp_Object object;
+pbm_image_p (Lisp_Object object)
{
struct image_keyword fmt[PBM_LAST];
- bcopy (pbm_format, fmt, sizeof fmt);
+ memcpy (fmt, pbm_format, sizeof fmt);
if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm))
return 0;
end of input. */
static int
-pbm_scan_number (s, end)
- unsigned char **s, *end;
+pbm_scan_number (unsigned char **s, unsigned char *end)
{
int c = 0, val = -1;
/* Load PBM image IMG for use on frame F. */
static int
-pbm_load (f, img)
- struct frame *f;
- struct image *img;
+pbm_load (struct frame *f, struct image *img)
{
int raw_p, x, y;
int width, height, max_color_idx = 0;
if (!check_image_size (f, width, height))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
goto error;
}
unsigned long bg = FRAME_BACKGROUND_PIXEL (f);
/* Parse the image specification. */
- bcopy (pbm_format, fmt, sizeof fmt);
+ memcpy (fmt, pbm_format, sizeof fmt);
parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm);
/* Get foreground and background colors, maybe allocate colors. */
PNG
***********************************************************************/
-#if defined (HAVE_PNG) || defined (MAC_OS)
+#if defined (HAVE_PNG) || defined (HAVE_NS)
/* Function prototypes. */
-static int png_image_p P_ ((Lisp_Object object));
-static int png_load P_ ((struct frame *f, struct image *img));
+static int png_image_p (Lisp_Object object);
+static int png_load (struct frame *f, struct image *img);
/* The symbol `png' identifying images of this type. */
/* Vector of image_keyword structures describing the format
of valid user-defined image specifications. */
-static struct image_keyword png_format[PNG_LAST] =
+static const struct image_keyword png_format[PNG_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":data", IMAGE_STRING_VALUE, 0},
/* Return non-zero if OBJECT is a valid PNG image specification. */
static int
-png_image_p (object)
- Lisp_Object object;
+png_image_p (Lisp_Object object)
{
struct image_keyword fmt[PNG_LAST];
- bcopy (png_format, fmt, sizeof fmt);
+ memcpy (fmt, png_format, sizeof fmt);
if (!parse_image_spec (object, fmt, PNG_LAST, Qpng))
return 0;
return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1;
}
-#endif /* HAVE_PNG || MAC_OS */
+#endif /* HAVE_PNG || HAVE_NS */
#ifdef HAVE_PNG
-#if defined HAVE_LIBPNG_PNG_H
-# include <libpng/png.h>
-#else
-# include <png.h>
-#endif
-
#ifdef HAVE_NTGUI
/* PNG library details. */
DEF_IMGLIB_FN (png_get_io_ptr);
-DEF_IMGLIB_FN (png_check_sig);
+DEF_IMGLIB_FN (png_sig_cmp);
DEF_IMGLIB_FN (png_create_read_struct);
DEF_IMGLIB_FN (png_create_info_struct);
DEF_IMGLIB_FN (png_destroy_read_struct);
return 0;
LOAD_IMGLIB_FN (library, png_get_io_ptr);
- LOAD_IMGLIB_FN (library, png_check_sig);
+ LOAD_IMGLIB_FN (library, png_sig_cmp);
LOAD_IMGLIB_FN (library, png_create_read_struct);
LOAD_IMGLIB_FN (library, png_create_info_struct);
LOAD_IMGLIB_FN (library, png_destroy_read_struct);
#else
#define fn_png_get_io_ptr png_get_io_ptr
-#define fn_png_check_sig png_check_sig
+#define fn_png_sig_cmp png_sig_cmp
#define fn_png_create_read_struct png_create_read_struct
#define fn_png_create_info_struct png_create_info_struct
#define fn_png_destroy_read_struct png_destroy_read_struct
is initialized. */
static void
-my_png_error (png_ptr, msg)
- png_struct *png_ptr;
- char *msg;
+my_png_error (png_struct *png_ptr, const char *msg)
{
xassert (png_ptr != NULL);
image_error ("PNG error: %s", build_string (msg), Qnil);
static void
-my_png_warning (png_ptr, msg)
- png_struct *png_ptr;
- char *msg;
+my_png_warning (png_struct *png_ptr, const char *msg)
{
xassert (png_ptr != NULL);
image_error ("PNG warning: %s", build_string (msg), Qnil);
bytes from the input to DATA. */
static void
-png_read_from_memory (png_ptr, data, length)
- png_structp png_ptr;
- png_bytep data;
- png_size_t length;
+png_read_from_memory (png_structp png_ptr, png_bytep data, png_size_t length)
{
struct png_memory_storage *tbr
= (struct png_memory_storage *) fn_png_get_io_ptr (png_ptr);
if (length > tbr->len - tbr->index)
fn_png_error (png_ptr, "Read error");
- bcopy (tbr->bytes + tbr->index, data, length);
+ memcpy (data, tbr->bytes + tbr->index, length);
tbr->index = tbr->index + length;
}
bytes from the input to DATA. */
static void
-png_read_from_file (png_ptr, data, length)
- png_structp png_ptr;
- png_bytep data;
- png_size_t length;
+png_read_from_file (png_structp png_ptr, png_bytep data, png_size_t length)
{
FILE *fp = (FILE *) fn_png_get_io_ptr (png_ptr);
successful. */
static int
-png_load (f, img)
- struct frame *f;
- struct image *img;
+png_load (struct frame *f, struct image *img)
{
Lisp_Object file, specified_file;
Lisp_Object specified_data;
/* Check PNG signature. */
if (fread (sig, 1, sizeof sig, fp) != sizeof sig
- || !fn_png_check_sig (sig, sizeof sig))
+ || fn_png_sig_cmp (sig, 0, sizeof sig))
{
image_error ("Not a PNG file: `%s'", file, Qnil);
UNGCPRO;
/* Check PNG signature. */
if (tbr.len < sizeof sig
- || !fn_png_check_sig (tbr.bytes, sizeof sig))
+ || fn_png_sig_cmp (tbr.bytes, 0, sizeof sig))
{
image_error ("Not a PNG image: `%s'", img->spec, Qnil);
UNGCPRO;
&interlace_type, NULL, NULL);
if (!check_image_size (f, width, height))
- goto error;
-
+ {
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
+ goto error;
+ }
/* If image contains simply transparency data, we prefer to
construct a clipping mask. */
if (fn_png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
simple transparency, we prefer a clipping mask. */
if (!transparent_p)
{
- png_color_16 *image_bg;
+ /* png_color_16 *image_bg; */
Lisp_Object specified_bg
= image_spec_value (img->spec, QCbackground, NULL);
int shift = (bit_depth == 16) ? 0 : 8;
if (STRINGP (specified_bg))
/* The user specified `:background', use that. */
{
- /* W32 version incorrectly used COLORREF here!! ++kfs */
XColor color;
if (x_defined_color (f, SDATA (specified_bg), &color, 0))
{
png_color_16 user_bg;
- bzero (&user_bg, sizeof user_bg);
+ memset (&user_bg, 0, sizeof user_bg);
user_bg.red = color.red >> shift;
user_bg.green = color.green >> shift;
user_bg.blue = color.blue >> shift;
{
/* We use the current frame background, ignoring any default
background color set by the image. */
-#ifdef HAVE_X_WINDOWS
+#if defined (HAVE_X_WINDOWS) || defined (HAVE_NTGUI)
XColor color;
png_color_16 frame_background;
color.pixel = FRAME_BACKGROUND_PIXEL (f);
x_query_color (f, &color);
- bzero (&frame_background, sizeof frame_background);
+ memset (&frame_background, 0, sizeof frame_background);
frame_background.red = color.red >> shift;
frame_background.green = color.green >> shift;
frame_background.blue = color.blue >> shift;
#endif /* HAVE_X_WINDOWS */
-#ifdef HAVE_NTGUI
- COLORREF color;
- png_color_16 frame_background;
- color = FRAME_BACKGROUND_PIXEL (f);
-#if 0 /* W32 TODO : Colormap support. */
- x_query_color (f, &color);
-#endif
- bzero (&frame_background, sizeof frame_background);
- frame_background.red = GetRValue (color);
- frame_background.green = GetGValue (color);
- frame_background.blue = GetBValue (color);
-#endif /* HAVE_NTGUI */
-
-#ifdef MAC_OS
- unsigned long color;
- png_color_16 frame_background;
- color = FRAME_BACKGROUND_PIXEL (f);
-#if 0 /* MAC/W32 TODO : Colormap support. */
- x_query_color (f, &color);
-#endif
- bzero (&frame_background, sizeof frame_background);
- frame_background.red = RED_FROM_ULONG (color);
- frame_background.green = GREEN_FROM_ULONG (color);
- frame_background.blue = BLUE_FROM_ULONG (color);
-#endif /* MAC_OS */
-
fn_png_set_background (png_ptr, &frame_background,
PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
}
#else /* HAVE_PNG */
-#ifdef MAC_OS
+#ifdef HAVE_NS
static int
-png_load (f, img)
- struct frame *f;
- struct image *img;
-{
-#if USE_MAC_IMAGE_IO
- return image_load_image_io (f, img, kUTTypePNG);
-#elif MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
- return image_load_quartz2d (f, img, 1);
-#else
- return image_load_quicktime (f, img, kQTFileTypePNG);
-#endif
+png_load (struct frame *f, struct image *img)
+{
+ return ns_load_image(f, img,
+ image_spec_value (img->spec, QCfile, NULL),
+ image_spec_value (img->spec, QCdata, NULL));
}
-#endif /* MAC_OS */
+#endif /* HAVE_NS */
+
#endif /* !HAVE_PNG */
JPEG
***********************************************************************/
-#if defined (HAVE_JPEG) || defined (MAC_OS)
+#if defined (HAVE_JPEG) || defined (HAVE_NS)
-static int jpeg_image_p P_ ((Lisp_Object object));
-static int jpeg_load P_ ((struct frame *f, struct image *img));
+static int jpeg_image_p (Lisp_Object object);
+static int jpeg_load (struct frame *f, struct image *img);
/* The symbol `jpeg' identifying images of this type. */
/* Vector of image_keyword structures describing the format
of valid user-defined image specifications. */
-static struct image_keyword jpeg_format[JPEG_LAST] =
+static const struct image_keyword jpeg_format[JPEG_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":data", IMAGE_STRING_VALUE, 0},
/* Return non-zero if OBJECT is a valid JPEG image specification. */
static int
-jpeg_image_p (object)
- Lisp_Object object;
+jpeg_image_p (Lisp_Object object)
{
struct image_keyword fmt[JPEG_LAST];
- bcopy (jpeg_format, fmt, sizeof fmt);
+ memcpy (fmt, jpeg_format, sizeof fmt);
if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg))
return 0;
return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1;
}
-#endif /* HAVE_JPEG || MAC_OS */
+#endif /* HAVE_JPEG || HAVE_NS */
#ifdef HAVE_JPEG
#include <jpeglib.h>
#include <jerror.h>
-#include <setjmp.h>
#ifdef HAVE_STLIB_H_1
#define HAVE_STDLIB_H 1
/* Wrapper since we can't directly assign the function pointer
to another function pointer that was declared more completely easily. */
static boolean
-jpeg_resync_to_restart_wrapper(cinfo, desired)
- j_decompress_ptr cinfo;
- int desired;
+jpeg_resync_to_restart_wrapper (j_decompress_ptr cinfo, int desired)
{
return fn_jpeg_resync_to_restart (cinfo, desired);
}
static void
-my_error_exit (cinfo)
- j_common_ptr cinfo;
+my_error_exit (j_common_ptr cinfo)
{
struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
longjmp (mgr->setjmp_buffer, 1);
libjpeg.doc from the JPEG lib distribution. */
static void
-our_common_init_source (cinfo)
- j_decompress_ptr cinfo;
+our_common_init_source (j_decompress_ptr cinfo)
{
}
jpeg_finish_decompress() after all data has been processed. */
static void
-our_common_term_source (cinfo)
- j_decompress_ptr cinfo;
+our_common_term_source (j_decompress_ptr cinfo)
{
}
static JOCTET our_memory_buffer[2];
static boolean
-our_memory_fill_input_buffer (cinfo)
- j_decompress_ptr cinfo;
+our_memory_fill_input_buffer (j_decompress_ptr cinfo)
{
/* Insert a fake EOI marker. */
struct jpeg_source_mgr *src = cinfo->src;
is the JPEG data source manager. */
static void
-our_memory_skip_input_data (cinfo, num_bytes)
- j_decompress_ptr cinfo;
- long num_bytes;
+our_memory_skip_input_data (j_decompress_ptr cinfo, long int num_bytes)
{
struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src;
reading the image. */
static void
-jpeg_memory_src (cinfo, data, len)
- j_decompress_ptr cinfo;
- JOCTET *data;
- unsigned int len;
+jpeg_memory_src (j_decompress_ptr cinfo, JOCTET *data, unsigned int len)
{
struct jpeg_source_mgr *src;
whenever more data is needed. The data is read from a FILE *. */
static boolean
-our_stdio_fill_input_buffer (cinfo)
- j_decompress_ptr cinfo;
+our_stdio_fill_input_buffer (j_decompress_ptr cinfo)
{
struct jpeg_stdio_mgr *src;
is the JPEG data source manager. */
static void
-our_stdio_skip_input_data (cinfo, num_bytes)
- j_decompress_ptr cinfo;
- long num_bytes;
+our_stdio_skip_input_data (j_decompress_ptr cinfo, long int num_bytes)
{
struct jpeg_stdio_mgr *src;
src = (struct jpeg_stdio_mgr *) cinfo->src;
reading the image. */
static void
-jpeg_file_src (cinfo, fp)
- j_decompress_ptr cinfo;
- FILE *fp;
+jpeg_file_src (j_decompress_ptr cinfo, FILE *fp)
{
struct jpeg_stdio_mgr *src;
from the JPEG lib. */
static int
-jpeg_load (f, img)
- struct frame *f;
- struct image *img;
+jpeg_load (struct frame *f, struct image *img)
{
struct jpeg_decompress_struct cinfo;
struct my_jpeg_error_mgr mgr;
if (!check_image_size (f, width, height))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
longjmp (mgr.setjmp_buffer, 2);
}
#else /* HAVE_JPEG */
-#ifdef MAC_OS
+#ifdef HAVE_NS
static int
-jpeg_load (f, img)
- struct frame *f;
- struct image *img;
-{
-#if USE_MAC_IMAGE_IO
- return image_load_image_io (f, img, kUTTypeJPEG);
-#elif defined (MAC_OSX)
- return image_load_quartz2d (f, img, 0);
-#else
- return image_load_quicktime (f, img, kQTFileTypeJPEG);
-#endif
+jpeg_load (struct frame *f, struct image *img)
+{
+ return ns_load_image (f, img,
+ image_spec_value (img->spec, QCfile, NULL),
+ image_spec_value (img->spec, QCdata, NULL));
}
-#endif /* MAC_OS */
+#endif /* HAVE_NS */
#endif /* !HAVE_JPEG */
TIFF
***********************************************************************/
-#if defined (HAVE_TIFF) || defined (MAC_OS)
+#if defined (HAVE_TIFF) || defined (HAVE_NS)
-static int tiff_image_p P_ ((Lisp_Object object));
-static int tiff_load P_ ((struct frame *f, struct image *img));
+static int tiff_image_p (Lisp_Object object);
+static int tiff_load (struct frame *f, struct image *img);
/* The symbol `tiff' identifying images of this type. */
TIFF_HEURISTIC_MASK,
TIFF_MASK,
TIFF_BACKGROUND,
+ TIFF_INDEX,
TIFF_LAST
};
/* Vector of image_keyword structures describing the format
of valid user-defined image specifications. */
-static struct image_keyword tiff_format[TIFF_LAST] =
+static const struct image_keyword tiff_format[TIFF_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":data", IMAGE_STRING_VALUE, 0},
{":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
{":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
{":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
+ {":background", IMAGE_STRING_OR_NIL_VALUE, 0},
+ {":index", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}
};
/* Structure describing the image type `tiff'. */
/* Return non-zero if OBJECT is a valid TIFF image specification. */
static int
-tiff_image_p (object)
- Lisp_Object object;
+tiff_image_p (Lisp_Object object)
{
struct image_keyword fmt[TIFF_LAST];
- bcopy (tiff_format, fmt, sizeof fmt);
+ memcpy (fmt, tiff_format, sizeof fmt);
if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff))
return 0;
return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1;
}
-#endif /* HAVE_TIFF || MAC_OS */
+#endif /* HAVE_TIFF || HAVE_NS */
#ifdef HAVE_TIFF
DEF_IMGLIB_FN (TIFFGetField);
DEF_IMGLIB_FN (TIFFReadRGBAImage);
DEF_IMGLIB_FN (TIFFClose);
+DEF_IMGLIB_FN (TIFFSetDirectory);
static int
init_tiff_functions (Lisp_Object libraries)
LOAD_IMGLIB_FN (library, TIFFGetField);
LOAD_IMGLIB_FN (library, TIFFReadRGBAImage);
LOAD_IMGLIB_FN (library, TIFFClose);
+ LOAD_IMGLIB_FN (library, TIFFSetDirectory);
return 1;
}
#define fn_TIFFGetField TIFFGetField
#define fn_TIFFReadRGBAImage TIFFReadRGBAImage
#define fn_TIFFClose TIFFClose
-
+#define fn_TIFFSetDirectory TIFFSetDirectory
#endif /* HAVE_NTGUI */
tiff_memory_source;
static size_t
-tiff_read_from_memory (data, buf, size)
- thandle_t data;
- tdata_t buf;
- tsize_t size;
+tiff_read_from_memory (thandle_t data, tdata_t buf, tsize_t size)
{
tiff_memory_source *src = (tiff_memory_source *) data;
if (size > src->len - src->index)
return (size_t) -1;
- bcopy (src->bytes + src->index, buf, size);
+ memcpy (buf, src->bytes + src->index, size);
src->index += size;
return size;
}
static size_t
-tiff_write_from_memory (data, buf, size)
- thandle_t data;
- tdata_t buf;
- tsize_t size;
+tiff_write_from_memory (thandle_t data, tdata_t buf, tsize_t size)
{
return (size_t) -1;
}
static toff_t
-tiff_seek_in_memory (data, off, whence)
- thandle_t data;
- toff_t off;
- int whence;
+tiff_seek_in_memory (thandle_t data, toff_t off, int whence)
{
tiff_memory_source *src = (tiff_memory_source *) data;
int idx;
}
static int
-tiff_close_memory (data)
- thandle_t data;
+tiff_close_memory (thandle_t data)
{
/* NOOP */
return 0;
}
static int
-tiff_mmap_memory (data, pbase, psize)
- thandle_t data;
- tdata_t *pbase;
- toff_t *psize;
+tiff_mmap_memory (thandle_t data, tdata_t *pbase, toff_t *psize)
{
/* It is already _IN_ memory. */
return 0;
}
static void
-tiff_unmap_memory (data, base, size)
- thandle_t data;
- tdata_t base;
- toff_t size;
+tiff_unmap_memory (thandle_t data, tdata_t base, toff_t size)
{
/* We don't need to do this. */
}
static toff_t
-tiff_size_of_memory (data)
- thandle_t data;
+tiff_size_of_memory (thandle_t data)
{
return ((tiff_memory_source *) data)->len;
}
static void
-tiff_error_handler (title, format, ap)
- const char *title, *format;
- va_list ap;
+tiff_error_handler (const char *title, const char *format, va_list ap)
{
char buf[512];
int len;
static void
-tiff_warning_handler (title, format, ap)
- const char *title, *format;
- va_list ap;
+tiff_warning_handler (const char *title, const char *format, va_list ap)
{
char buf[512];
int len;
successful. */
static int
-tiff_load (f, img)
- struct frame *f;
- struct image *img;
+tiff_load (struct frame *f, struct image *img)
{
Lisp_Object file, specified_file;
Lisp_Object specified_data;
TIFF *tiff;
- int width, height, x, y;
+ int width, height, x, y, count;
uint32 *buf;
- int rc;
+ int rc, rc2;
XImagePtr ximg;
struct gcpro gcpro1;
tiff_memory_source memsrc;
+ Lisp_Object image;
specified_file = image_spec_value (img->spec, QCfile, NULL);
specified_data = image_spec_value (img->spec, QCdata, NULL);
}
}
+ image = image_spec_value (img->spec, QCindex, NULL);
+ if (INTEGERP (image))
+ {
+ int ino = XFASTINT (image);
+ if (!fn_TIFFSetDirectory (tiff, ino))
+ {
+ image_error ("Invalid image number `%s' in image `%s'",
+ image, img->spec);
+ fn_TIFFClose (tiff);
+ UNGCPRO;
+ return 0;
+ }
+ }
+
/* Get width and height of the image, and allocate a raster buffer
of width x height 32-bit values. */
fn_TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
if (!check_image_size (f, width, height))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
+ fn_TIFFClose (tiff);
UNGCPRO;
return 0;
}
buf = (uint32 *) xmalloc (width * height * sizeof *buf);
rc = fn_TIFFReadRGBAImage (tiff, width, height, buf, 0);
+
+ /* Count the number of images in the file. */
+ for (count = 1, rc2 = 1; rc2; count++)
+ rc2 = fn_TIFFSetDirectory (tiff, count);
+
+ if (count > 1)
+ img->data.lisp_val = Fcons (Qcount,
+ Fcons (make_number (count),
+ img->data.lisp_val));
+
fn_TIFFClose (tiff);
if (!rc)
{
#else /* HAVE_TIFF */
-#ifdef MAC_OS
+#ifdef HAVE_NS
static int
-tiff_load (f, img)
- struct frame *f;
- struct image *img;
+tiff_load (struct frame *f, struct image *img)
{
-#if USE_MAC_IMAGE_IO
- return image_load_image_io (f, img, kUTTypeTIFF);
-#else
- return image_load_quicktime (f, img, kQTFileTypeTIFF);
-#endif
+ return ns_load_image (f, img,
+ image_spec_value (img->spec, QCfile, NULL),
+ image_spec_value (img->spec, QCdata, NULL));
}
-#endif /* MAC_OS */
+#endif /* HAVE_NS */
#endif /* !HAVE_TIFF */
GIF
***********************************************************************/
-#if defined (HAVE_GIF) || defined (MAC_OS)
+#if defined (HAVE_GIF) || defined (HAVE_NS)
-static int gif_image_p P_ ((Lisp_Object object));
-static int gif_load P_ ((struct frame *f, struct image *img));
-static void gif_clear_image P_ ((struct frame *f, struct image *img));
+static int gif_image_p (Lisp_Object object);
+static int gif_load (struct frame *f, struct image *img);
+static void gif_clear_image (struct frame *f, struct image *img);
/* The symbol `gif' identifying images of this type. */
/* Vector of image_keyword structures describing the format
of valid user-defined image specifications. */
-static struct image_keyword gif_format[GIF_LAST] =
+static const struct image_keyword gif_format[GIF_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":data", IMAGE_STRING_VALUE, 0},
{":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
{":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
{":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":index", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
{":background", IMAGE_STRING_OR_NIL_VALUE, 0}
};
/* Free X resources of GIF image IMG which is used on frame F. */
static void
-gif_clear_image (f, img)
- struct frame *f;
- struct image *img;
+gif_clear_image (struct frame *f, struct image *img)
{
- /* IMG->data.ptr_val may contain extension data. */
+ /* IMG->data.ptr_val may contain metadata with extension data. */
img->data.lisp_val = Qnil;
x_clear_image (f, img);
}
/* Return non-zero if OBJECT is a valid GIF image specification. */
static int
-gif_image_p (object)
- Lisp_Object object;
+gif_image_p (Lisp_Object object)
{
struct image_keyword fmt[GIF_LAST];
- bcopy (gif_format, fmt, sizeof fmt);
+ memcpy (fmt, gif_format, sizeof fmt);
if (!parse_image_spec (object, fmt, GIF_LAST, Qgif))
return 0;
return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1;
}
-#endif /* HAVE_GIF || MAC_OS */
+#endif /* HAVE_GIF */
#ifdef HAVE_GIF
-#if defined (HAVE_NTGUI) || defined (MAC_OS)
+#if defined (HAVE_NTGUI)
/* winuser.h might define DrawText to DrawTextA or DrawTextW.
Undefine before redefining to avoid a preprocessor warning. */
#ifdef DrawText
#include <gif_lib.h>
#undef DrawText
-#else /* HAVE_NTGUI || MAC_OS */
+#else /* HAVE_NTGUI */
#include <gif_lib.h>
-#endif /* HAVE_NTGUI || MAC_OS */
+#endif /* HAVE_NTGUI */
#ifdef HAVE_NTGUI
static gif_memory_source *current_gif_memory_src;
static int
-gif_read_from_memory (file, buf, len)
- GifFileType *file;
- GifByteType *buf;
- int len;
+gif_read_from_memory (GifFileType *file, GifByteType *buf, int len)
{
gif_memory_source *src = current_gif_memory_src;
if (len > src->len - src->index)
return -1;
- bcopy (src->bytes + src->index, buf, len);
+ memcpy (buf, src->bytes + src->index, len);
src->index += len;
return len;
}
/* Load GIF image IMG for use on frame F. Value is non-zero if
successful. */
-static int interlace_start[] = {0, 4, 2, 1};
-static int interlace_increment[] = {8, 8, 4, 2};
+static const int interlace_start[] = {0, 4, 2, 1};
+static const int interlace_increment[] = {8, 8, 4, 2};
static int
-gif_load (f, img)
- struct frame *f;
- struct image *img;
+gif_load (struct frame *f, struct image *img)
{
Lisp_Object file, specified_file;
Lisp_Object specified_data;
memsrc.index = 0;
/* Casting return value avoids a GCC warning on W32. */
- gif = (GifFileType *)fn_DGifOpen(&memsrc, gif_read_from_memory);
+ gif = (GifFileType *) fn_DGifOpen (&memsrc, gif_read_from_memory);
if (!gif)
{
image_error ("Cannot open memory source `%s'", img->spec, Qnil);
/* Before reading entire contents, check the declared image size. */
if (!check_image_size (f, gif->SWidth, gif->SHeight))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
fn_DGifCloseFile (gif);
UNGCPRO;
return 0;
if (!check_image_size (f, width, height))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
fn_DGifCloseFile (gif);
UNGCPRO;
return 0;
if (!gif_color_map)
gif_color_map = gif->SColorMap;
init_color_table ();
- bzero (pixel_colors, sizeof pixel_colors);
+ memset (pixel_colors, 0, sizeof pixel_colors);
if (gif_color_map)
for (i = 0; i < gif_color_map->ColorCount; ++i)
}
}
- /* Save GIF image extension data for `image-extension-data'.
- Format is (count IMAGES FUNCTION "BYTES" ...). */
+ /* Save GIF image extension data for `image-metadata'.
+ Format is (count IMAGES extension-data (FUNCTION "BYTES" ...)). */
img->data.lisp_val = Qnil;
if (gif->SavedImages[ino].ExtensionBlockCount > 0)
{
img->data.lisp_val = Fcons (make_unibyte_string (ext->Bytes, ext->ByteCount),
Fcons (make_number (ext->Function),
img->data.lisp_val));
- img->data.lisp_val = Fnreverse (img->data.lisp_val);
+ img->data.lisp_val = Fcons (Qextension_data,
+ Fcons (Fnreverse (img->data.lisp_val),
+ Qnil));
}
if (gif->ImageCount > 1)
img->data.lisp_val = Fcons (Qcount,
#else /* !HAVE_GIF */
-#ifdef MAC_OS
+#ifdef HAVE_NS
static int
-gif_load (f, img)
- struct frame *f;
- struct image *img;
-{
-#if USE_MAC_IMAGE_IO
- return image_load_image_io (f, img, kUTTypeGIF);
-#else /* !USE_MAC_IMAGE_IO */
- Lisp_Object specified_file, file;
- Lisp_Object specified_data;
- OSErr err;
- Boolean graphic_p, movie_p, prefer_graphic_p;
- Handle dh = NULL;
- Movie movie = NULL;
- Lisp_Object image;
- Track track = NULL;
- Media media = NULL;
- long nsamples;
- Rect rect;
- Lisp_Object specified_bg;
- XColor color;
- RGBColor bg_color;
- int width, height;
- XImagePtr ximg;
- TimeScale time_scale;
- TimeValue time, duration;
- int ino;
- CGrafPtr old_port;
- GDHandle old_gdh;
+gif_load (struct frame *f, struct image *img)
+{
+ return ns_load_image (f, img,
+ image_spec_value (img->spec, QCfile, NULL),
+ image_spec_value (img->spec, QCdata, NULL));
+}
+#endif /* HAVE_NS */
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
+#endif /* HAVE_GIF */
- /* Animated gifs use QuickTime Movie Toolbox. So initialize it here. */
- EnterMovies ();
- if (NILP (specified_data))
+\f
+/***********************************************************************
+ SVG
+ ***********************************************************************/
+
+#if defined (HAVE_RSVG)
+
+/* Function prototypes. */
+
+static int svg_image_p (Lisp_Object object);
+static int svg_load (struct frame *f, struct image *img);
+
+static int svg_load_image (struct frame *, struct image *,
+ unsigned char *, unsigned int);
+
+/* The symbol `svg' identifying images of this type. */
+
+Lisp_Object Qsvg;
+
+/* Indices of image specification fields in svg_format, below. */
+
+enum svg_keyword_index
+{
+ SVG_TYPE,
+ SVG_DATA,
+ SVG_FILE,
+ SVG_ASCENT,
+ SVG_MARGIN,
+ SVG_RELIEF,
+ SVG_ALGORITHM,
+ SVG_HEURISTIC_MASK,
+ SVG_MASK,
+ SVG_BACKGROUND,
+ SVG_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static const struct image_keyword svg_format[SVG_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_ASCENT_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
+};
+
+/* Structure describing the image type `svg'. Its the same type of
+ structure defined for all image formats, handled by emacs image
+ functions. See struct image_type in dispextern.h. */
+
+static struct image_type svg_type =
+{
+ /* An identifier showing that this is an image structure for the SVG format. */
+ &Qsvg,
+ /* Handle to a function that can be used to identify a SVG file. */
+ svg_image_p,
+ /* Handle to function used to load a SVG file. */
+ svg_load,
+ /* Handle to function to free sresources for SVG. */
+ x_clear_image,
+ /* An internal field to link to the next image type in a list of
+ image types, will be filled in when registering the format. */
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid SVG image specification. Do
+ this by calling parse_image_spec and supplying the keywords that
+ identify the SVG format. */
+
+static int
+svg_image_p (Lisp_Object object)
+{
+ struct image_keyword fmt[SVG_LAST];
+ memcpy (fmt, svg_format, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, SVG_LAST, Qsvg))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[SVG_FILE].count + fmt[SVG_DATA].count == 1;
+}
+
+#include <librsvg/rsvg.h>
+
+#ifdef HAVE_NTGUI
+
+/* SVG library functions. */
+DEF_IMGLIB_FN (rsvg_handle_new);
+DEF_IMGLIB_FN (rsvg_handle_get_dimensions);
+DEF_IMGLIB_FN (rsvg_handle_write);
+DEF_IMGLIB_FN (rsvg_handle_close);
+DEF_IMGLIB_FN (rsvg_handle_get_pixbuf);
+DEF_IMGLIB_FN (rsvg_handle_free);
+
+DEF_IMGLIB_FN (gdk_pixbuf_get_width);
+DEF_IMGLIB_FN (gdk_pixbuf_get_height);
+DEF_IMGLIB_FN (gdk_pixbuf_get_pixels);
+DEF_IMGLIB_FN (gdk_pixbuf_get_rowstride);
+DEF_IMGLIB_FN (gdk_pixbuf_get_colorspace);
+DEF_IMGLIB_FN (gdk_pixbuf_get_n_channels);
+DEF_IMGLIB_FN (gdk_pixbuf_get_has_alpha);
+DEF_IMGLIB_FN (gdk_pixbuf_get_bits_per_sample);
+
+DEF_IMGLIB_FN (g_type_init);
+DEF_IMGLIB_FN (g_object_unref);
+DEF_IMGLIB_FN (g_error_free);
+
+Lisp_Object Qgdk_pixbuf, Qglib, Qgobject;
+
+static int
+init_svg_functions (Lisp_Object libraries)
+{
+ HMODULE library, gdklib, glib, gobject;
+
+ if (!(glib = w32_delayed_load (libraries, Qglib))
+ || !(gobject = w32_delayed_load (libraries, Qgobject))
+ || !(gdklib = w32_delayed_load (libraries, Qgdk_pixbuf))
+ || !(library = w32_delayed_load (libraries, Qsvg)))
+ return 0;
+
+ LOAD_IMGLIB_FN (library, rsvg_handle_new);
+ LOAD_IMGLIB_FN (library, rsvg_handle_get_dimensions);
+ LOAD_IMGLIB_FN (library, rsvg_handle_write);
+ LOAD_IMGLIB_FN (library, rsvg_handle_close);
+ LOAD_IMGLIB_FN (library, rsvg_handle_get_pixbuf);
+ LOAD_IMGLIB_FN (library, rsvg_handle_free);
+
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_width);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_height);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_pixels);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_rowstride);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_colorspace);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_n_channels);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_has_alpha);
+ LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_bits_per_sample);
+
+ LOAD_IMGLIB_FN (gobject, g_type_init);
+ LOAD_IMGLIB_FN (gobject, g_object_unref);
+ LOAD_IMGLIB_FN (glib, g_error_free);
+
+ return 1;
+}
+
+#else
+/* The following aliases for library functions allow dynamic loading
+ to be used on some platforms. */
+#define fn_rsvg_handle_new rsvg_handle_new
+#define fn_rsvg_handle_get_dimensions rsvg_handle_get_dimensions
+#define fn_rsvg_handle_write rsvg_handle_write
+#define fn_rsvg_handle_close rsvg_handle_close
+#define fn_rsvg_handle_get_pixbuf rsvg_handle_get_pixbuf
+#define fn_rsvg_handle_free rsvg_handle_free
+
+#define fn_gdk_pixbuf_get_width gdk_pixbuf_get_width
+#define fn_gdk_pixbuf_get_height gdk_pixbuf_get_height
+#define fn_gdk_pixbuf_get_pixels gdk_pixbuf_get_pixels
+#define fn_gdk_pixbuf_get_rowstride gdk_pixbuf_get_rowstride
+#define fn_gdk_pixbuf_get_colorspace gdk_pixbuf_get_colorspace
+#define fn_gdk_pixbuf_get_n_channels gdk_pixbuf_get_n_channels
+#define fn_gdk_pixbuf_get_has_alpha gdk_pixbuf_get_has_alpha
+#define fn_gdk_pixbuf_get_bits_per_sample gdk_pixbuf_get_bits_per_sample
+
+#define fn_g_type_init g_type_init
+#define fn_g_object_unref g_object_unref
+#define fn_g_error_free g_error_free
+#endif /* !HAVE_NTGUI */
+
+/* Load SVG image IMG for use on frame F. Value is non-zero if
+ successful. this function will go into the svg_type structure, and
+ the prototype thus needs to be compatible with that structure. */
+
+static int
+svg_load (struct frame *f, struct image *img)
+{
+ int success_p = 0;
+ Lisp_Object file_name;
+
+ /* If IMG->spec specifies a file name, create a non-file spec from it. */
+ file_name = image_spec_value (img->spec, QCfile, NULL);
+ if (STRINGP (file_name))
{
- /* Read from a file */
- FSSpec fss;
- short refnum;
+ Lisp_Object file;
+ unsigned char *contents;
+ int size;
+ struct gcpro gcpro1;
- err = find_image_fsspec (specified_file, &file, &fss);
- if (err != noErr)
+ file = x_find_image_file (file_name);
+ GCPRO1 (file);
+ if (!STRINGP (file))
{
- if (err == fnfErr)
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- else
- goto open_error;
+ image_error ("Cannot find image file `%s'", file_name, Qnil);
+ UNGCPRO;
+ return 0;
}
- err = CanQuickTimeOpenFile (&fss, kQTFileTypeGIF, 0,
- &graphic_p, &movie_p, &prefer_graphic_p, 0);
- if (err != noErr)
- goto open_error;
-
- if (!graphic_p && !movie_p)
- goto open_error;
- if (prefer_graphic_p)
- return image_load_qt_1 (f, img, kQTFileTypeGIF, &fss, NULL);
- err = OpenMovieFile (&fss, &refnum, fsRdPerm);
- if (err != noErr)
- goto open_error;
- err = NewMovieFromFile (&movie, refnum, NULL, NULL, 0, NULL);
- CloseMovieFile (refnum);
- if (err != noErr)
+ /* Read the entire file into memory. */
+ contents = slurp_file (SDATA (file), &size);
+ if (contents == NULL)
{
- image_error ("Error reading `%s'", file, Qnil);
+ image_error ("Error loading SVG image `%s'", img->spec, Qnil);
+ UNGCPRO;
return 0;
}
+ /* If the file was slurped into memory properly, parse it. */
+ success_p = svg_load_image (f, img, contents, size);
+ xfree (contents);
+ UNGCPRO;
}
+ /* Else its not a file, its a lisp object. Load the image from a
+ lisp object rather than a file. */
else
{
- /* Memory source! */
- Handle dref = NULL;
- long file_type_atom[3];
+ Lisp_Object data;
- err = PtrToHand (SDATA (specified_data), &dh, SBYTES (specified_data));
- if (err != noErr)
- {
- image_error ("Cannot allocate data handle for `%s'",
- img->spec, Qnil);
- goto error;
- }
+ data = image_spec_value (img->spec, QCdata, NULL);
+ success_p = svg_load_image (f, img, SDATA (data), SBYTES (data));
+ }
- file_type_atom[0] = EndianU32_NtoB (sizeof (long) * 3);
- file_type_atom[1] = EndianU32_NtoB (kDataRefExtensionMacOSFileType);
- file_type_atom[2] = EndianU32_NtoB (kQTFileTypeGIF);
- err = PtrToHand (&dh, &dref, sizeof (Handle));
- if (err == noErr)
- /* no file name */
- err = PtrAndHand ("\p", dref, 1);
- if (err == noErr)
- err = PtrAndHand (file_type_atom, dref, sizeof (long) * 3);
- if (err != noErr)
- {
- image_error ("Cannot allocate handle data ref for `%s'", img->spec, Qnil);
- goto error;
- }
- err = CanQuickTimeOpenDataRef (dref, HandleDataHandlerSubType, &graphic_p,
- &movie_p, &prefer_graphic_p, 0);
- if (err != noErr)
- goto open_error;
-
- if (!graphic_p && !movie_p)
- goto open_error;
- if (prefer_graphic_p)
- {
- int success_p;
+ return success_p;
+}
- DisposeHandle (dref);
- success_p = image_load_qt_1 (f, img, kQTFileTypeGIF, NULL, dh);
- DisposeHandle (dh);
- return success_p;
- }
- err = NewMovieFromDataRef (&movie, 0, NULL, dref,
- HandleDataHandlerSubType);
- DisposeHandle (dref);
- if (err != noErr)
- goto open_error;
- }
+/* svg_load_image is a helper function for svg_load, which does the
+ actual loading given contents and size, apart from frame and image
+ structures, passed from svg_load.
- image = image_spec_value (img->spec, QCindex, NULL);
- ino = INTEGERP (image) ? XFASTINT (image) : 0;
- track = GetMovieIndTrack (movie, 1);
- media = GetTrackMedia (track);
- nsamples = GetMediaSampleCount (media);
- if (ino >= nsamples)
+ Uses librsvg to do most of the image processing.
+
+ Returns non-zero when successful. */
+static int
+svg_load_image (struct frame *f, /* Pointer to emacs frame structure. */
+ struct image *img, /* Pointer to emacs image structure. */
+ unsigned char *contents, /* String containing the SVG XML data to be parsed. */
+ unsigned int size) /* Size of data in bytes. */
+{
+ RsvgHandle *rsvg_handle;
+ RsvgDimensionData dimension_data;
+ GError *error = NULL;
+ GdkPixbuf *pixbuf;
+ int width;
+ int height;
+ const guint8 *pixels;
+ int rowstride;
+ XImagePtr ximg;
+ Lisp_Object specified_bg;
+ XColor background;
+ int x;
+ int y;
+
+ /* g_type_init is a glib function that must be called prior to using
+ gnome type library functions. */
+ fn_g_type_init ();
+ /* Make a handle to a new rsvg object. */
+ rsvg_handle = (RsvgHandle *) fn_rsvg_handle_new ();
+
+ /* Parse the contents argument and fill in the rsvg_handle. */
+ fn_rsvg_handle_write (rsvg_handle, contents, size, &error);
+ if (error) goto rsvg_error;
+
+ /* The parsing is complete, rsvg_handle is ready to used, close it
+ for further writes. */
+ fn_rsvg_handle_close (rsvg_handle, &error);
+ if (error) goto rsvg_error;
+
+ fn_rsvg_handle_get_dimensions (rsvg_handle, &dimension_data);
+ if (! check_image_size (f, dimension_data.width, dimension_data.height))
+ {
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
+ goto rsvg_error;
+ }
+
+ /* We can now get a valid pixel buffer from the svg file, if all
+ went ok. */
+ pixbuf = (GdkPixbuf *) fn_rsvg_handle_get_pixbuf (rsvg_handle);
+ if (!pixbuf) goto rsvg_error;
+ fn_g_object_unref (rsvg_handle);
+
+ /* Extract some meta data from the svg handle. */
+ width = fn_gdk_pixbuf_get_width (pixbuf);
+ height = fn_gdk_pixbuf_get_height (pixbuf);
+ pixels = (const guint8 *) fn_gdk_pixbuf_get_pixels (pixbuf);
+ rowstride = fn_gdk_pixbuf_get_rowstride (pixbuf);
+
+ /* Validate the svg meta data. */
+ eassert (fn_gdk_pixbuf_get_colorspace (pixbuf) == GDK_COLORSPACE_RGB);
+ eassert (fn_gdk_pixbuf_get_n_channels (pixbuf) == 4);
+ eassert (fn_gdk_pixbuf_get_has_alpha (pixbuf));
+ eassert (fn_gdk_pixbuf_get_bits_per_sample (pixbuf) == 8);
+
+ /* Try to create a x pixmap to hold the svg pixmap. */
+ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
{
- image_error ("Invalid image number `%s' in image `%s'",
- image, img->spec);
- goto error;
+ fn_g_object_unref (pixbuf);
+ return 0;
}
- time_scale = GetMediaTimeScale (media);
+ init_color_table ();
+
+ /* Handle alpha channel by combining the image with a background
+ color. */
specified_bg = image_spec_value (img->spec, QCbackground, NULL);
if (!STRINGP (specified_bg)
- || !mac_defined_color (f, SDATA (specified_bg), &color, 0))
+ || !x_defined_color (f, SDATA (specified_bg), &background, 0))
{
- color.pixel = FRAME_BACKGROUND_PIXEL (f);
- color.red = RED16_FROM_ULONG (color.pixel);
- color.green = GREEN16_FROM_ULONG (color.pixel);
- color.blue = BLUE16_FROM_ULONG (color.pixel);
+#ifndef HAVE_NS
+ background.pixel = FRAME_BACKGROUND_PIXEL (f);
+ x_query_color (f, &background);
+#else
+ ns_query_color (FRAME_BACKGROUND_COLOR (f), &background, 1);
+#endif
}
- GetMovieBox (movie, &rect);
- width = img->width = rect.right - rect.left;
- height = img->height = rect.bottom - rect.top;
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- goto error;
- GetGWorld (&old_port, &old_gdh);
- SetGWorld (ximg, NULL);
- bg_color.red = color.red;
- bg_color.green = color.green;
- bg_color.blue = color.blue;
- RGBBackColor (&bg_color);
- SetGWorld (old_port, old_gdh);
- SetMovieActive (movie, 1);
- SetMovieGWorld (movie, ximg, NULL);
- SampleNumToMediaTime (media, ino + 1, &time, &duration);
- SetMovieTimeValue (movie, time);
- MoviesTask (movie, 0L);
- DisposeTrackMedia (media);
- DisposeMovieTrack (track);
- DisposeMovie (movie);
- if (dh)
- DisposeHandle (dh);
-
- /* Save GIF image extension data for `image-extension-data'.
- Format is (count IMAGES 0xf9 GRAPHIC_CONTROL_EXTENSION_BLOCK). */
- {
- Lisp_Object gce = make_uninit_string (4);
- int centisec = ((float)duration / time_scale) * 100.0f + 0.5f;
-
- /* Fill the delay time field. */
- SSET (gce, 1, centisec & 0xff);
- SSET (gce, 2, (centisec >> 8) & 0xff);
- /* We don't know about other fields. */
- SSET (gce, 0, 0);
- SSET (gce, 3, 0);
-
- img->data.lisp_val = list4 (Qcount, make_number (nsamples),
- make_number (0xf9), gce);
- }
+ /* SVG pixmaps specify transparency in the last byte, so right
+ shift 8 bits to get rid of it, since emacs doesn't support
+ transparency. */
+ background.red >>= 8;
+ background.green >>= 8;
+ background.blue >>= 8;
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
+ /* This loop handles opacity values, since Emacs assumes
+ non-transparent images. Each pixel must be "flattened" by
+ calculating the resulting color, given the transparency of the
+ pixel, and the image background color. */
+ for (y = 0; y < height; ++y)
+ {
+ for (x = 0; x < width; ++x)
+ {
+ unsigned red;
+ unsigned green;
+ unsigned blue;
+ unsigned opacity;
+
+ red = *pixels++;
+ green = *pixels++;
+ blue = *pixels++;
+ opacity = *pixels++;
+
+ red = ((red * opacity)
+ + (background.red * ((1 << 8) - opacity)));
+ green = ((green * opacity)
+ + (background.green * ((1 << 8) - opacity)));
+ blue = ((blue * opacity)
+ + (background.blue * ((1 << 8) - opacity)));
+
+ XPutPixel (ximg, x, y, lookup_rgb_color (f, red, green, blue));
+ }
- /* Put the image into the pixmap. */
+ pixels += rowstride - 4 * width;
+ }
+
+#ifdef COLOR_TABLE_SUPPORT
+ /* Remember colors allocated for this image. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+#endif /* COLOR_TABLE_SUPPORT */
+
+ fn_g_object_unref (pixbuf);
+
+ img->width = width;
+ img->height = height;
+
+ /* Maybe fill in the background field while we have ximg handy.
+ Casting avoids a GCC warning. */
+ IMAGE_BACKGROUND (img, f, (XImagePtr_or_DC)ximg);
+
+ /* Put the image into the pixmap, then free the X image and its
+ buffer. */
x_put_x_image (f, ximg, img->pixmap, width, height);
x_destroy_x_image (ximg);
+
return 1;
- open_error:
- image_error ("Cannot open `%s'", file, Qnil);
- error:
- if (media)
- DisposeTrackMedia (media);
- if (track)
- DisposeMovieTrack (track);
- if (movie)
- DisposeMovie (movie);
- if (dh)
- DisposeHandle (dh);
+ rsvg_error:
+ fn_g_object_unref (rsvg_handle);
+ /* FIXME: Use error->message so the user knows what is the actual
+ problem with the image. */
+ image_error ("Error parsing SVG image `%s'", img->spec, Qnil);
+ fn_g_error_free (error);
return 0;
-#endif /* !USE_MAC_IMAGE_IO */
}
-#endif /* MAC_OS */
-#endif /* HAVE_GIF */
+#endif /* defined (HAVE_RSVG) */
+
\f
#define HAVE_GHOSTSCRIPT 1
#endif /* HAVE_X_WINDOWS */
-/* The symbol `postscript' identifying images of this type. */
-
-Lisp_Object Qpostscript;
-
#ifdef HAVE_GHOSTSCRIPT
-static int gs_image_p P_ ((Lisp_Object object));
-static int gs_load P_ ((struct frame *f, struct image *img));
-static void gs_clear_image P_ ((struct frame *f, struct image *img));
+static int gs_image_p (Lisp_Object object);
+static int gs_load (struct frame *f, struct image *img);
+static void gs_clear_image (struct frame *f, struct image *img);
/* Keyword symbols. */
/* Vector of image_keyword structures describing the format
of valid user-defined image specifications. */
-static struct image_keyword gs_format[GS_LAST] =
+static const struct image_keyword gs_format[GS_LAST] =
{
{":type", IMAGE_SYMBOL_VALUE, 1},
{":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1},
/* Free X resources of Ghostscript image IMG which is used on frame F. */
static void
-gs_clear_image (f, img)
- struct frame *f;
- struct image *img;
+gs_clear_image (struct frame *f, struct image *img)
{
/* IMG->data.ptr_val may contain a recorded colormap. */
xfree (img->data.ptr_val);
specification. */
static int
-gs_image_p (object)
- Lisp_Object object;
+gs_image_p (Lisp_Object object)
{
struct image_keyword fmt[GS_LAST];
Lisp_Object tem;
int i;
- bcopy (gs_format, fmt, sizeof fmt);
+ memcpy (fmt, gs_format, sizeof fmt);
if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript))
return 0;
if successful. */
static int
-gs_load (f, img)
- struct frame *f;
- struct image *img;
+gs_load (struct frame *f, struct image *img)
{
char buffer[100];
Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width;
if (!check_image_size (f, img->width, img->height))
{
- image_error ("Invalid image size", Qnil, Qnil);
+ image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
return 0;
}
telling Emacs that Ghostscript has finished drawing. */
void
-x_kill_gs_process (pixmap, f)
- Pixmap pixmap;
- struct frame *f;
+x_kill_gs_process (Pixmap pixmap, struct frame *f)
{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image_cache *c = FRAME_IMAGE_CACHE (f);
int class, i;
struct image *img;
DEFUN ("imagep", Fimagep, Simagep, 1, 1, 0,
doc: /* Value is non-nil if SPEC is a valid image specification. */)
- (spec)
- Lisp_Object spec;
+ (Lisp_Object spec)
{
return valid_image_p (spec) ? Qt : Qnil;
}
DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0, "")
- (spec)
- Lisp_Object spec;
+ (Lisp_Object spec)
{
int id = -1;
Image types pbm and xbm are prebuilt; other types are loaded here.
Libraries to load are specified in alist LIBRARIES (usually, the value
of `image-library-alist', which see). */)
- (type, libraries)
- Lisp_Object type, libraries;
+ (Lisp_Object type, Lisp_Object libraries)
{
Lisp_Object tested;
if (CONSP (tested))
return XCDR (tested);
-#if defined (HAVE_XPM) || defined (MAC_OS)
+#if defined (HAVE_XPM) || defined (HAVE_NS)
if (EQ (type, Qxpm))
return CHECK_LIB_AVAILABLE (&xpm_type, init_xpm_functions, libraries);
#endif
-#if defined (HAVE_JPEG) || defined (MAC_OS)
+#if defined (HAVE_JPEG) || defined (HAVE_NS)
if (EQ (type, Qjpeg))
return CHECK_LIB_AVAILABLE (&jpeg_type, init_jpeg_functions, libraries);
#endif
-#if defined (HAVE_TIFF) || defined (MAC_OS)
+#if defined (HAVE_TIFF) || defined (HAVE_NS)
if (EQ (type, Qtiff))
return CHECK_LIB_AVAILABLE (&tiff_type, init_tiff_functions, libraries);
#endif
-#if defined (HAVE_GIF) || defined (MAC_OS)
+#if defined (HAVE_GIF) || defined (HAVE_NS)
if (EQ (type, Qgif))
return CHECK_LIB_AVAILABLE (&gif_type, init_gif_functions, libraries);
#endif
-#if defined (HAVE_PNG) || defined (MAC_OS)
+#if defined (HAVE_PNG) || defined (HAVE_NS)
if (EQ (type, Qpng))
return CHECK_LIB_AVAILABLE (&png_type, init_png_functions, libraries);
#endif
+#if defined (HAVE_RSVG)
+ if (EQ (type, Qsvg))
+ return CHECK_LIB_AVAILABLE (&svg_type, init_svg_functions, libraries);
+#endif
+
#ifdef HAVE_GHOSTSCRIPT
if (EQ (type, Qpostscript))
return CHECK_LIB_AVAILABLE (&gs_type, init_gs_functions, libraries);
}
void
-syms_of_image ()
+syms_of_image (void)
{
- extern Lisp_Object Qrisky_local_variable; /* Syms_of_xdisp has already run. */
-
/* Initialize this only once, since that's what we do with Vimage_types
and they are supposed to be in sync. Initializing here gives correct
operation on GNU/Linux of calling dump-emacs after loading some images. */
support the image type. Types 'pbm and 'xbm don't need to be
listed; they are always supported. */);
Vimage_library_alist = Qnil;
- Fput (intern ("image-library-alist"), Qrisky_local_variable, Qt);
+ Fput (intern_c_string ("image-library-alist"), Qrisky_local_variable, Qt);
DEFVAR_LISP ("max-image-size", &Vmax_image_size,
doc: /* Maximum size of images.
Vimage_type_cache = Qnil;
staticpro (&Vimage_type_cache);
- Qpbm = intern ("pbm");
+ Qpbm = intern_c_string ("pbm");
staticpro (&Qpbm);
- ADD_IMAGE_TYPE(Qpbm);
+ ADD_IMAGE_TYPE (Qpbm);
- Qxbm = intern ("xbm");
+ Qxbm = intern_c_string ("xbm");
staticpro (&Qxbm);
- ADD_IMAGE_TYPE(Qxbm);
+ ADD_IMAGE_TYPE (Qxbm);
define_image_type (&xbm_type, 1);
define_image_type (&pbm_type, 1);
- QCascent = intern (":ascent");
+ Qcount = intern_c_string ("count");
+ staticpro (&Qcount);
+ Qextension_data = intern_c_string ("extension-data");
+ staticpro (&Qextension_data);
+
+ QCascent = intern_c_string (":ascent");
staticpro (&QCascent);
- QCmargin = intern (":margin");
+ QCmargin = intern_c_string (":margin");
staticpro (&QCmargin);
- QCrelief = intern (":relief");
+ QCrelief = intern_c_string (":relief");
staticpro (&QCrelief);
- QCconversion = intern (":conversion");
+ QCconversion = intern_c_string (":conversion");
staticpro (&QCconversion);
- QCcolor_symbols = intern (":color-symbols");
+ QCcolor_symbols = intern_c_string (":color-symbols");
staticpro (&QCcolor_symbols);
- QCheuristic_mask = intern (":heuristic-mask");
+ QCheuristic_mask = intern_c_string (":heuristic-mask");
staticpro (&QCheuristic_mask);
- QCindex = intern (":index");
+ QCindex = intern_c_string (":index");
staticpro (&QCindex);
- QCmatrix = intern (":matrix");
+ QCmatrix = intern_c_string (":matrix");
staticpro (&QCmatrix);
- QCcolor_adjustment = intern (":color-adjustment");
+ QCcolor_adjustment = intern_c_string (":color-adjustment");
staticpro (&QCcolor_adjustment);
- QCmask = intern (":mask");
+ QCmask = intern_c_string (":mask");
staticpro (&QCmask);
- Qlaplace = intern ("laplace");
+ Qlaplace = intern_c_string ("laplace");
staticpro (&Qlaplace);
- Qemboss = intern ("emboss");
+ Qemboss = intern_c_string ("emboss");
staticpro (&Qemboss);
- Qedge_detection = intern ("edge-detection");
+ Qedge_detection = intern_c_string ("edge-detection");
staticpro (&Qedge_detection);
- Qheuristic = intern ("heuristic");
+ Qheuristic = intern_c_string ("heuristic");
staticpro (&Qheuristic);
- Qpostscript = intern ("postscript");
+ Qpostscript = intern_c_string ("postscript");
staticpro (&Qpostscript);
#ifdef HAVE_GHOSTSCRIPT
- ADD_IMAGE_TYPE(Qpostscript);
- QCloader = intern (":loader");
+ ADD_IMAGE_TYPE (Qpostscript);
+ QCloader = intern_c_string (":loader");
staticpro (&QCloader);
- QCbounding_box = intern (":bounding-box");
+ QCbounding_box = intern_c_string (":bounding-box");
staticpro (&QCbounding_box);
- QCpt_width = intern (":pt-width");
+ QCpt_width = intern_c_string (":pt-width");
staticpro (&QCpt_width);
- QCpt_height = intern (":pt-height");
+ QCpt_height = intern_c_string (":pt-height");
staticpro (&QCpt_height);
#endif /* HAVE_GHOSTSCRIPT */
-#if defined (HAVE_XPM) || defined (MAC_OS)
- Qxpm = intern ("xpm");
+#if defined (HAVE_XPM) || defined (HAVE_NS)
+ Qxpm = intern_c_string ("xpm");
staticpro (&Qxpm);
- ADD_IMAGE_TYPE(Qxpm);
+ ADD_IMAGE_TYPE (Qxpm);
#endif
-#if defined (HAVE_JPEG) || defined (MAC_OS)
- Qjpeg = intern ("jpeg");
+#if defined (HAVE_JPEG) || defined (HAVE_NS)
+ Qjpeg = intern_c_string ("jpeg");
staticpro (&Qjpeg);
- ADD_IMAGE_TYPE(Qjpeg);
+ ADD_IMAGE_TYPE (Qjpeg);
#endif
-#if defined (HAVE_TIFF) || defined (MAC_OS)
- Qtiff = intern ("tiff");
+#if defined (HAVE_TIFF) || defined (HAVE_NS)
+ Qtiff = intern_c_string ("tiff");
staticpro (&Qtiff);
- ADD_IMAGE_TYPE(Qtiff);
+ ADD_IMAGE_TYPE (Qtiff);
#endif
-#if defined (HAVE_GIF) || defined (MAC_OS)
- Qgif = intern ("gif");
+#if defined (HAVE_GIF) || defined (HAVE_NS)
+ Qgif = intern_c_string ("gif");
staticpro (&Qgif);
- ADD_IMAGE_TYPE(Qgif);
+ ADD_IMAGE_TYPE (Qgif);
#endif
-#if defined (HAVE_PNG) || defined (MAC_OS)
- Qpng = intern ("png");
+#if defined (HAVE_PNG) || defined (HAVE_NS)
+ Qpng = intern_c_string ("png");
staticpro (&Qpng);
- ADD_IMAGE_TYPE(Qpng);
+ ADD_IMAGE_TYPE (Qpng);
#endif
+#if defined (HAVE_RSVG)
+ Qsvg = intern_c_string ("svg");
+ staticpro (&Qsvg);
+ ADD_IMAGE_TYPE (Qsvg);
+#ifdef HAVE_NTGUI
+ /* Other libraries used directly by svg code. */
+ Qgdk_pixbuf = intern_c_string ("gdk-pixbuf");
+ staticpro (&Qgdk_pixbuf);
+ Qglib = intern_c_string ("glib");
+ staticpro (&Qglib);
+ Qgobject = intern_c_string ("gobject");
+ staticpro (&Qgobject);
+#endif /* HAVE_NTGUI */
+#endif /* HAVE_RSVG */
+
defsubr (&Sinit_image_library);
defsubr (&Sclear_image_cache);
- defsubr (&Simage_refresh);
+ defsubr (&Simage_flush);
defsubr (&Simage_size);
defsubr (&Simage_mask_p);
- defsubr (&Simage_extension_data);
+ defsubr (&Simage_metadata);
#if GLYPH_DEBUG
defsubr (&Simagep);
Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS);
DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay,
- doc: /* Time after which cached images are removed from the cache.
-When an image has not been displayed this many seconds, remove it
-from the image cache. Value must be an integer or nil with nil
-meaning don't clear the cache. */);
- Vimage_cache_eviction_delay = make_number (30 * 60);
+ doc: /* Maximum time after which images are removed from the cache.
+When an image has not been displayed this many seconds, Emacs
+automatically removes it from the image cache. If the cache contains
+a large number of images, the actual eviction time may be shorter.
+The value can also be nil, meaning the cache is never cleared.
+
+The function `clear-image-cache' disregards this variable. */);
+ Vimage_cache_eviction_delay = make_number (300);
}
void
-init_image ()
+init_image (void)
{
}
HCoop / bpt / emacs.git / blobdiff