/* ftxfont.c -- FreeType font driver on X (without using XFT).
- Copyright (C) 2006 Free Software Foundation, Inc.
- Copyright (C) 2006
+ Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2009, 2010
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H13PRO009
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 2, 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 <setjmp.h>
#include <X11/Xlib.h>
#include "lisp.h"
static Lisp_Object Qftx;
/* Prototypes for helper function. */
-static GC *ftxfont_get_gcs P_ ((FRAME_PTR, unsigned long, unsigned long));
-static int ftxfont_draw_bitmap P_ ((FRAME_PTR, GC, GC *, struct font *,
- unsigned, int, int, XPoint *, int, int *,
- int));
-static void ftxfont_draw_backgrond P_ ((FRAME_PTR, struct font *, GC,
- int, int, int));
-static Font ftxfont_default_fid P_ ((FRAME_PTR));
+static GC *ftxfont_get_gcs (FRAME_PTR, unsigned long, unsigned long);
+static int ftxfont_draw_bitmap (FRAME_PTR, GC, GC *, struct font *,
+ unsigned, int, int, XPoint *, int, int *,
+ int);
+static void ftxfont_draw_backgrond (FRAME_PTR, struct font *, GC,
+ int, int, int);
struct ftxfont_frame_data
{
/* Return an array of 6 GCs for antialiasing. */
static GC *
-ftxfont_get_gcs (f, foreground, background)
- FRAME_PTR f;
- unsigned long foreground, background;
+ftxfont_get_gcs (FRAME_PTR f, long unsigned int foreground, long unsigned int background)
{
XColor color;
XGCValues xgcv;
}
static int
-ftxfont_draw_bitmap (f, gc_fore, gcs, font, code, x, y, p, size, n, flush)
- FRAME_PTR f;
- GC gc_fore, *gcs;
- struct font *font;
- unsigned code;
- int x, y;
- XPoint *p;
- int size, *n;
- int flush;
+ftxfont_draw_bitmap (FRAME_PTR f, GC gc_fore, GC *gcs, struct font *font, unsigned int code, int x, int y, XPoint *p, int size, int *n, int flush)
{
struct font_bitmap bitmap;
unsigned char *b;
}
static void
-ftxfont_draw_backgrond (f, font, gc, x, y, width)
- FRAME_PTR f;
- struct font *font;
- GC gc;
- int x, y, width;
+ftxfont_draw_backgrond (FRAME_PTR f, struct font *font, GC gc, int x, int y, int width)
{
XGCValues xgcv;
GCForeground | GCBackground, &xgcv);
XSetForeground (FRAME_X_DISPLAY (f), gc, xgcv.background);
XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc,
- x, y - font->ascent, width, y + font->descent);
+ x, y - FONT_BASE (font), width, FONT_HEIGHT (font));
XSetForeground (FRAME_X_DISPLAY (f), gc, xgcv.foreground);
}
-/* Return the default Font ID on frame F. */
-
-static Font
-ftxfont_default_fid (f)
- FRAME_PTR f;
-{
- static int fid_known;
- static Font fid;
-
- if (! fid_known)
- {
- fid = XLoadFont (FRAME_X_DISPLAY (f), "fixed");
- if (! fid)
- {
- fid = XLoadFont (FRAME_X_DISPLAY (f), "*");
- if (! fid)
- abort ();
- }
- fid_known = 1;
- }
- return fid;
-}
-
/* Prototypes for font-driver methods. */
-static Lisp_Object ftxfont_list P_ ((Lisp_Object, Lisp_Object));
-static Lisp_Object ftxfont_match P_ ((Lisp_Object, Lisp_Object));
-static struct font *ftxfont_open P_ ((FRAME_PTR, Lisp_Object, int));
-static void ftxfont_close P_ ((FRAME_PTR, struct font *));
-static int ftxfont_draw P_ ((struct glyph_string *, int, int, int, int, int));
+static Lisp_Object ftxfont_list (Lisp_Object, Lisp_Object);
+static Lisp_Object ftxfont_match (Lisp_Object, Lisp_Object);
+static Lisp_Object ftxfont_open (FRAME_PTR, Lisp_Object, int);
+static void ftxfont_close (FRAME_PTR, struct font *);
+static int ftxfont_draw (struct glyph_string *, int, int, int, int, int);
struct font_driver ftxfont_driver;
static Lisp_Object
-ftxfont_list (frame, spec)
- Lisp_Object frame;
- Lisp_Object spec;
+ftxfont_list (Lisp_Object frame, Lisp_Object spec)
{
- Lisp_Object val = ftfont_driver.list (frame, spec);
+ Lisp_Object list = ftfont_driver.list (frame, spec), tail;
- if (! NILP (val))
- {
- int i;
-
- for (i = 0; i < ASIZE (val); i++)
- ASET (AREF (val, i), FONT_TYPE_INDEX, Qftx);
- }
- return val;
+ for (tail = list; CONSP (tail); tail = XCDR (tail))
+ ASET (XCAR (tail), FONT_TYPE_INDEX, Qftx);
+ return list;
}
static Lisp_Object
-ftxfont_match (frame, spec)
- Lisp_Object frame;
- Lisp_Object spec;
+ftxfont_match (Lisp_Object frame, Lisp_Object spec)
{
Lisp_Object entity = ftfont_driver.match (frame, spec);
return entity;
}
-static struct font *
-ftxfont_open (f, entity, pixel_size)
- FRAME_PTR f;
- Lisp_Object entity;
- int pixel_size;
+static Lisp_Object
+ftxfont_open (FRAME_PTR f, Lisp_Object entity, int pixel_size)
{
- Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ Lisp_Object font_object;
struct font *font;
- XFontStruct *xfont = malloc (sizeof (XFontStruct));
-
- if (! xfont)
- return NULL;
- font = ftfont_driver.open (f, entity, pixel_size);
- if (! font)
- {
- free (xfont);
- return NULL;
- }
- xfont->fid = ftxfont_default_fid (f);
- xfont->ascent = font->ascent;
- xfont->descent = font->descent;
- xfont->max_bounds.width = font->font.size;
- xfont->min_bounds.width = font->min_width;
- font->font.font = xfont;
+ font_object = ftfont_driver.open (f, entity, pixel_size);
+ if (NILP (font_object))
+ return Qnil;
+ font = XFONT_OBJECT (font_object);
font->driver = &ftxfont_driver;
-
- dpyinfo->n_fonts++;
-
- /* Set global flag fonts_changed_p to non-zero if the font loaded
- has a character with a smaller width than any other character
- before, or if the font loaded has a smaller height than any other
- font loaded before. If this happens, it will make a glyph matrix
- reallocation necessary. */
- if (dpyinfo->n_fonts == 1)
- {
- dpyinfo->smallest_font_height = font->font.height;
- dpyinfo->smallest_char_width = font->min_width;
- fonts_changed_p = 1;
- }
- else
- {
- if (dpyinfo->smallest_font_height > font->font.height)
- dpyinfo->smallest_font_height = font->font.height, fonts_changed_p |= 1;
- if (dpyinfo->smallest_char_width > font->min_width)
- dpyinfo->smallest_char_width = font->min_width, fonts_changed_p |= 1;
- }
-
- return font;
+ return font_object;
}
static void
-ftxfont_close (f, font)
- FRAME_PTR f;
- struct font *font;
+ftxfont_close (FRAME_PTR f, struct font *font)
{
ftfont_driver.close (f, font);
- FRAME_X_DISPLAY_INFO (f)->n_fonts--;
}
static int
-ftxfont_draw (s, from, to, x, y, with_background)
- struct glyph_string *s;
- int from, to, x, y, with_background;
+ftxfont_draw (struct glyph_string *s, int from, int to, int x, int y, int with_background)
{
FRAME_PTR f = s->f;
struct face *face = s->face;
- struct font *font = (struct font *) face->font_info;
+ struct font *font = s->font;
XPoint p[0x700];
int n[7];
unsigned *code;
int len = to - from;
int i;
GC *gcs;
+ int xadvance;
n[0] = n[1] = n[2] = n[3] = n[4] = n[5] = n[6] = 0;
s->clip, s->num_clips, Unsorted);
for (i = 0; i < len; i++)
- x += ftxfont_draw_bitmap (f, s->gc, gcs, font, code[i], x, y,
- p, 0x100, n, i + 1 == len);
+ {
+ xadvance = ftxfont_draw_bitmap (f, s->gc, gcs, font, code[i], x, y,
+ p, 0x100, n, i + 1 == len);
+ x += (s->padding_p ? 1 : xadvance);
+ }
if (s->num_clips)
for (i = 0; i < 6; i++)
XSetClipMask (FRAME_X_DISPLAY (f), gcs[i], None);
/* We can't draw with antialiasing.
s->gc should already have a proper clipping setting. */
for (i = 0; i < len; i++)
- x += ftxfont_draw_bitmap (f, s->gc, NULL, font, code[i], x, y,
- p, 0x700, n, i + 1 == len);
+ {
+ xadvance = ftxfont_draw_bitmap (f, s->gc, NULL, font, code[i], x, y,
+ p, 0x700, n, i + 1 == len);
+ x += (s->padding_p ? 1 : xadvance);
+ }
}
UNBLOCK_INPUT;
}
static int
-ftxfont_end_for_frame (f)
- FRAME_PTR f;
+ftxfont_end_for_frame (FRAME_PTR f)
{
struct ftxfont_frame_data *data = font_get_frame_data (f, &ftxfont_driver);
data = next;
}
UNBLOCK_INPUT;
+ font_put_frame_data (f, &ftxfont_driver, NULL);
return 0;
}
\f
void
-syms_of_ftxfont ()
+syms_of_ftxfont (void)
{
DEFSYM (Qftx, "ftx");
HCoop / bpt / emacs.git / blobdiff