/* The symbol `postscript' identifying images of this type. */
-Lisp_Object Qpostscript;
+static Lisp_Object Qpostscript;
static void x_disable_image (struct frame *, struct image *);
static void x_edge_detection (struct frame *, struct image *, Lisp_Object,
static unsigned long *colors_in_color_table (int *n);
static unsigned long lookup_pixel_color (struct frame *f, unsigned long p);
#endif
+INFUN (Finit_image_library, 2);
/* Code to deal with bitmaps. Bitmaps are referenced by their bitmap
id, which is just an int that this section returns. Bitmaps are
Image types
***********************************************************************/
-/* Value is the number of elements of vector VECTOR. */
-
-#define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
-
/* List of supported image types. Use define_image_type to add new
types. Use lookup_image_type to find a type for a given symbol. */
/* The symbol `xbm' which is used as the type symbol for XBM images. */
-Lisp_Object Qxbm;
+static Lisp_Object Qxbm;
/* Keywords. */
-Lisp_Object QCascent, QCmargin, QCrelief, Qcount, Qextension_data;
-Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask;
-Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask, QCgeometry, QCcrop, QCrotation;
+Lisp_Object QCascent, QCmargin, QCrelief;
+static Lisp_Object Qcount, Qextension_data;
+Lisp_Object QCconversion;
+static Lisp_Object QCheuristic_mask;
+static Lisp_Object QCcolor_symbols;
+static Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask, QCgeometry;
+static Lisp_Object QCcrop, QCrotation;
/* Other symbols. */
-Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic;
+static Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic;
/* Function prototypes. */
case IMAGE_FUNCTION_VALUE:
value = indirect_function (value);
- /* FIXME: Shouldn't we use Ffunctionp here? */
- if (SUBRP (value)
- || COMPILEDP (value)
- || (CONSP (value) && EQ (XCAR (value), Qlambda)))
+ if (!NILP (Ffunctionp (value)))
break;
return 0;
four_corners_best (XImagePtr_or_DC ximg, int *corners,
unsigned long width, unsigned long height)
{
- RGB_PIXEL_COLOR corner_pixels[4], best;
+ RGB_PIXEL_COLOR corner_pixels[4], best IF_LINT (= 0);
int i, best_count;
if (corners && corners[BOT_CORNER] >= 0)
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
+static void
clear_image_cache (struct frame *f, Lisp_Object filter)
{
struct image_cache *c = FRAME_IMAGE_CACHE (f);
FOR_EACH_FRAME (tail, frame)
{
- struct frame *f = XFRAME (frame);
- if (FRAME_IMAGE_CACHE (f) == c)
- clear_current_matrices (f);
+ struct frame *fr = XFRAME (frame);
+ if (FRAME_IMAGE_CACHE (fr) == c)
+ clear_current_matrices (fr);
}
++windows_or_buffers_changed;
int
lookup_image (struct frame *f, Lisp_Object spec)
{
- struct image_cache *c;
struct image *img;
unsigned hash;
EMACS_TIME now;
xassert (FRAME_WINDOW_P (f));
xassert (valid_image_p (spec));
- c = FRAME_IMAGE_CACHE (f);
-
/* Look up SPEC in the hash table of the image cache. */
hash = sxhash (spec, 0);
img = search_image_cache (f, spec, hash);
if (LA1 == XBM_TK_NUMBER)
{
- char *p = strrchr (buffer, '_');
- p = p ? p + 1 : buffer;
- if (strcmp (p, "width") == 0)
+ char *q = strrchr (buffer, '_');
+ q = q ? q + 1 : buffer;
+ if (strcmp (q, "width") == 0)
*width = value;
- else if (strcmp (p, "height") == 0)
+ else if (strcmp (q, "height") == 0)
*height = value;
}
expect (XBM_TK_NUMBER);
/* Parse the image specification. */
memcpy (fmt, xbm_format, sizeof fmt);
parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm);
+ (void) parsed_p;
xassert (parsed_p);
/* Get specified width, and height. */
#if defined (HAVE_XPM) || defined (HAVE_NS)
/* The symbol `xpm' identifying XPM-format images. */
-Lisp_Object Qxpm;
+static Lisp_Object Qxpm;
/* Indices of image specification fields in xpm_format, below. */
size. */
#define XPM_COLOR_CACHE_BUCKETS 1001
-struct xpm_cached_color **xpm_color_cache;
+static struct xpm_cached_color **xpm_color_cache;
/* Initialize the color cache. */
#endif /* HAVE_XPM || HAVE_NS */
-#if defined (HAVE_XPM) && defined (HAVE_X_WINDOWS)
+#if defined HAVE_XPM && defined HAVE_X_WINDOWS && !defined USE_GTK
int
x_create_bitmap_from_xpm_data (struct frame *f, const char **bits)
{
{
Lisp_Object name;
Lisp_Object color;
+ char *empty_string = (char *) "";
if (!CONSP (XCAR (tail)))
{
- xpm_syms[i].name = "";
- xpm_syms[i].value = "";
+ xpm_syms[i].name = empty_string;
+ xpm_syms[i].value = empty_string;
continue;
}
name = XCAR (XCAR (tail));
strcpy (xpm_syms[i].name, SSDATA (name));
}
else
- xpm_syms[i].name = "";
+ xpm_syms[i].name = empty_string;
if (STRINGP (color))
{
xpm_syms[i].value = (char *) alloca (SCHARS (color) + 1);
strcpy (xpm_syms[i].value, SSDATA (color));
}
else
- xpm_syms[i].value = "";
+ xpm_syms[i].value = empty_string;
}
}
/* The color hash table. */
-struct ct_color **ct_table;
+static struct ct_color **ct_table;
/* Number of entries in the color table. */
-int ct_colors_allocated;
+static int ct_colors_allocated;
/* Initialize the color table. */
XPutPixel (XImagePtr ximg, int x, int y, COLORREF color)
{
int width = ximg->info.bmiHeader.biWidth;
- int height = ximg->info.bmiHeader.biHeight;
unsigned char * pixel;
/* True color images. */
for (x = 1; x < img->width - 1; ++x, ++p)
{
- int r, g, b, y1, x1;
+ int r, g, b, yy, xx;
r = g = b = i = 0;
- for (y1 = y - 1; y1 < y + 2; ++y1)
- for (x1 = x - 1; x1 < x + 2; ++x1, ++i)
+ for (yy = y - 1; yy < y + 2; ++yy)
+ for (xx = x - 1; xx < x + 2; ++xx, ++i)
if (matrix[i])
{
- XColor *t = COLOR (colors, x1, y1);
+ XColor *t = COLOR (colors, xx, yy);
r += matrix[i] * t->red;
g += matrix[i] * t->green;
b += matrix[i] * t->blue;
color_adjust = make_number (0xffff / 2);
if (i == 9 && NUMBERP (color_adjust))
- x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust));
+ x_detect_edges (f, img, trans, XFLOATINT (color_adjust));
}
/* The symbol `pbm' identifying images of this type. */
-Lisp_Object Qpbm;
+static Lisp_Object Qpbm;
/* Indices of image specification fields in gs_format, below. */
/* The symbol `png' identifying images of this type. */
-Lisp_Object Qpng;
+static Lisp_Object Qpng;
/* Indices of image specification fields in png_format, below. */
/* Error and warning handlers installed when the PNG library
is initialized. */
+static void my_png_error (png_struct *, const char *) NO_RETURN;
static void
my_png_error (png_struct *png_ptr, const char *msg)
{
/* The symbol `jpeg' identifying images of this type. */
-Lisp_Object Qjpeg;
+static Lisp_Object Qjpeg;
/* Indices of image specification fields in gs_format, below. */
/* Work around a warning about HAVE_STDLIB_H being redefined in
jconfig.h. */
#ifdef HAVE_STDLIB_H
-#define HAVE_STDLIB_H_1
#undef HAVE_STDLIB_H
#endif /* HAVE_STLIB_H */
};
+static void my_error_exit (j_common_ptr) NO_RETURN;
static void
my_error_exit (j_common_ptr cinfo)
{
if (rc == 1)
{
/* Called from my_error_exit. Display a JPEG error. */
- char buffer[JMSG_LENGTH_MAX];
- cinfo.err->format_message ((j_common_ptr) &cinfo, buffer);
+ char buf[JMSG_LENGTH_MAX];
+ cinfo.err->format_message ((j_common_ptr) &cinfo, buf);
image_error ("Error reading JPEG image `%s': %s", img->spec,
- build_string (buffer));
+ build_string (buf));
}
/* Close the input file and destroy the JPEG object. */
/* The symbol `tiff' identifying images of this type. */
-Lisp_Object Qtiff;
+static Lisp_Object Qtiff;
/* Indices of image specification fields in tiff_format, below. */
}
+static void tiff_error_handler (const char *, const char *, va_list)
+ ATTRIBUTE_FORMAT_PRINTF (2, 0);
static void
tiff_error_handler (const char *title, const char *format, va_list ap)
{
}
+static void tiff_warning_handler (const char *, const char *, va_list)
+ ATTRIBUTE_FORMAT_PRINTF (2, 0);
static void
tiff_warning_handler (const char *title, const char *format, va_list ap)
{
TIFF *tiff;
int width, height, x, y, count;
uint32 *buf;
- int rc, rc2;
+ int rc;
XImagePtr ximg;
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);
- fn_TIFFSetErrorHandler (tiff_error_handler);
- fn_TIFFSetWarningHandler (tiff_warning_handler);
+ fn_TIFFSetErrorHandler ((TIFFErrorHandler) tiff_error_handler);
+ fn_TIFFSetWarningHandler ((TIFFErrorHandler) tiff_warning_handler);
if (NILP (specified_data))
{
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);
+ for (count = 1; fn_TIFFSetDirectory (tiff, count); count++)
+ continue;
if (count > 1)
img->data.lisp_val = Fcons (Qcount,
/* The symbol `gif' identifying images of this type. */
-Lisp_Object Qgif;
+static Lisp_Object Qgif;
/* Indices of image specification fields in gif_format, below. */
Lisp_Object file, specified_file;
Lisp_Object specified_data;
int rc, width, height, x, y, i;
- boolean transparent_p;
+ boolean transparent_p = 0;
XImagePtr ximg;
ColorMapObject *gif_color_map;
unsigned long pixel_colors[256];
int ino, image_height, image_width;
gif_memory_source memsrc;
unsigned char *raster;
- unsigned int transparency_color_index;
+ unsigned int transparency_color_index IF_LINT (= 0);
specified_file = image_spec_value (img->spec, QCfile, NULL);
specified_data = image_spec_value (img->spec, QCdata, NULL);
}
/* Open the GIF file. */
- gif = fn_DGifOpenFileName (SDATA (file));
+ gif = fn_DGifOpenFileName (SSDATA (file));
if (gif == NULL)
{
image_error ("Cannot open `%s'", file, Qnil);
for (x = 0; x < image_width; x++)
{
- int i = raster[(y * image_width) + x];
+ int c = raster[(y * image_width) + x];
XPutPixel (ximg, x + img->corners[LEFT_CORNER],
- row + img->corners[TOP_CORNER], pixel_colors[i]);
+ row + img->corners[TOP_CORNER], pixel_colors[c]);
}
row += interlace_increment[pass];
for (y = 0; y < image_height; ++y)
for (x = 0; x < image_width; ++x)
{
- int i = raster[y * image_width + x];
+ int c = raster[y * image_width + x];
XPutPixel (ximg, x + img->corners[LEFT_CORNER],
- y + img->corners[TOP_CORNER], pixel_colors[i]);
+ y + img->corners[TOP_CORNER], pixel_colors[c]);
}
}
/***********************************************************************
- imagemagick
+ ImageMagick
***********************************************************************/
#if defined (HAVE_IMAGEMAGICK)
-/* The symbol `imagemagick' identifying images of this type. */
-
Lisp_Object Qimagemagick;
-/* Indices of image specification fields in imagemagick_format, below. */
+
+/* Indices of image specification fields in imagemagick_format. */
enum imagemagick_keyword_index
{
{":rotation", IMAGE_NUMBER_VALUE, 0},
{":crop", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
};
+
/* Free X resources of imagemagick image IMG which is used on frame F. */
static void
x_clear_image (f, img);
}
-
-
/* Return non-zero if OBJECT is a valid IMAGEMAGICK image specification. Do
this by calling parse_image_spec and supplying the keywords that
identify the IMAGEMAGICK format. */
Uses librimagemagick to do most of the image processing.
- non-zero when successful.
+ Return non-zero if successful.
*/
static int
Image * im_image;
- /* Handle image index for image types who can contain more than one
- image. Interface :index is same as for GIF. First we "ping" the
- image to see how many sub-images it contains. Pinging is faster
- than loading the image to find out things about it. */
+ /* Handle image index for image types who can contain more than one image.
+ Interface :index is same as for GIF. First we "ping" the image to see how
+ many sub-images it contains. Pinging is faster than loading the image to
+ find out things about it. */
- /* `MagickWandGenesis' initializes the imagemagick environment. */
+ /* Initialize the imagemagick environment. */
MagickWandGenesis ();
image = image_spec_value (img->spec, QCindex, NULL);
ino = INTEGERP (image) ? XFASTINT (image) : 0;
DestroyMagickWand (ping_wand);
/* Now, after pinging, we know how many images are inside the
- file. If its not a bundle, just one. */
+ file. If it's not a bundle, the number is one. */
if (filename != NULL)
{
if (status == MagickFalse) goto imagemagick_error;
/* If width and/or height is set in the display spec assume we want
- to scale to those values. if either h or w is unspecified, the
+ to scale to those values. If either h or w is unspecified, the
unspecified should be calculated from the specified to preserve
aspect ratio. */
height = MagickGetImageHeight (image_wand);
width = MagickGetImageWidth (image_wand);
- if(desired_width != -1 && desired_height == -1)
- {
- /* w known, calculate h. */
- desired_height = (double) desired_width / width * height;
- }
- if(desired_width == -1 && desired_height != -1)
- {
- /* h known, calculate w. */
- desired_width = (double) desired_height / height * width;
- }
- if(desired_width != -1 && desired_height != -1)
+ if (desired_width != -1 && desired_height == -1)
+ /* w known, calculate h. */
+ desired_height = (double) desired_width / width * height;
+ if (desired_width == -1 && desired_height != -1)
+ /* h known, calculate w. */
+ desired_width = (double) desired_height / height * width;
+ if (desired_width != -1 && desired_height != -1)
{
status = MagickScaleImage (image_wand, desired_width, desired_height);
if (status == MagickFalse)
}
}
-
/* crop behaves similar to image slicing in Emacs but is more memory
efficient. */
crop = image_spec_value (img->spec, QCcrop, NULL);
if (CONSP (crop) && INTEGERP (XCAR (crop)))
{
- /* After some testing, it seems MagickCropImage is the fastest
- crop function in ImageMagick. This crop function seems to do
- less copying than the alternatives, but it still reads the
- entire image into memory before croping, which is aparently
- difficult to avoid when using imagemagick. */
-
+ /* After some testing, it seems MagickCropImage is the fastest crop
+ function in ImageMagick. This crop function seems to do less copying
+ than the alternatives, but it still reads the entire image into memory
+ before croping, which is aparently difficult to avoid when using
+ imagemagick. */
int w, h, x, y;
w = XFASTINT (XCAR (crop));
crop = XCDR (crop);
};
-
-
DEFUN ("imagemagick-types", Fimagemagick_types, Simagemagick_types, 0, 0, 0,
- doc: /* Return image file types supported by ImageMagick.
-Since ImageMagick recognizes a lot of file-types that clash with Emacs,
-such as .c, we want to be able to alter the list at the lisp level. */)
+ doc: /* Return the image types supported by ImageMagick.
+Note that ImageMagick recognizes many file-types that Emacs does not recognize
+as images, such as .c. */)
(void)
{
Lisp_Object typelist = Qnil;
/* Keyword symbols. */
-Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
+static Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
/* Indices of image specification fields in gs_format, below. */
HCoop / bpt / emacs.git / blobdiff