/* m17n-gd.c -- implementation of the GUI API on GD Library.
- Copyright (C) 2004
+ Copyright (C) 2004, 2005, 2006
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H15PRO112
static void
read_rgb_txt ()
{
- FILE *fp = fopen ("/usr/lib/X11/rgb.txt", "r");
+ FILE *fp;
int r, g, b;
+ /* At first, support HTML 4.0 color names. */
+ msymbol_put (msymbol ("black"), M_rgb, (void *) 0x000000);
+ msymbol_put (msymbol ("silver"), M_rgb, (void *) 0xC0C0C0);
+ msymbol_put (msymbol ("gray"), M_rgb, (void *) 0x808080);
+ msymbol_put (msymbol ("white"), M_rgb, (void *) 0xFFFFFF);
+ msymbol_put (msymbol ("maroon"), M_rgb, (void *) 0x800000);
+ msymbol_put (msymbol ("red"), M_rgb, (void *) 0xFF0000);
+ msymbol_put (msymbol ("purple"), M_rgb, (void *) 0x800080);
+ msymbol_put (msymbol ("fuchsia"), M_rgb, (void *) 0xFF00FF);
+ msymbol_put (msymbol ("green"), M_rgb, (void *) 0x008000);
+ msymbol_put (msymbol ("lime"), M_rgb, (void *) 0x00FF00);
+ msymbol_put (msymbol ("olive"), M_rgb, (void *) 0x808000);
+ msymbol_put (msymbol ("yellow"), M_rgb, (void *) 0xFFFF00);
+ msymbol_put (msymbol ("navy"), M_rgb, (void *) 0x000080);
+ msymbol_put (msymbol ("blue"), M_rgb, (void *) 0x0000FF);
+ msymbol_put (msymbol ("teal"), M_rgb, (void *) 0x008080);
+ msymbol_put (msymbol ("aqua"), M_rgb, (void *) 0x00FFFF);
+
+ fp = fopen ("/usr/lib/X11/rgb.txt", "r");
if (! fp)
fp = fopen ("/usr/X11R6/lib/X11/rgb.txt", "r");
if (! fp)
gdImageColorResolve ((img), (color) >> 16, ((color) >> 8) & 0xFF, \
(color) & 0xFF)
+static MRealizedFont *gd_font_open (MFrame *, MFont *, MFont *,
+ MRealizedFont *);
+static void gd_render (MDrawWindow, int, int, MGlyphString *,
+ MGlyph *, MGlyph *, int, MDrawRegion);
+
+static MFontDriver gd_font_driver =
+ { NULL, gd_font_open, NULL, NULL, NULL, gd_render, NULL };
+
+static MRealizedFont *
+gd_font_open (MFrame *frame, MFont *font, MFont *spec, MRealizedFont *rfont)
+{
+ double size = font->size ? font->size : spec->size;
+ int reg = spec->property[MFONT_REGISTRY];
+ MRealizedFont *new;
+
+ if (rfont)
+ {
+ MRealizedFont *save = NULL;
+
+ for (; rfont; rfont = rfont->next)
+ if (rfont->font == font
+ && (rfont->font->size ? rfont->font->size == size
+ : rfont->spec.size == size)
+ && rfont->spec.property[MFONT_REGISTRY] == reg)
+ {
+ if (! save)
+ save = rfont;
+ if (rfont->driver == &gd_font_driver)
+ return rfont;
+ }
+ rfont = save;
+ }
+ rfont = (mfont__ft_driver.open) (frame, font, spec, rfont);
+ if (! rfont)
+ return NULL;
+ M17N_OBJECT_REF (rfont->info);
+ MSTRUCT_CALLOC (new, MERROR_GD);
+ *new = *rfont;
+ new->driver = &gd_font_driver;
+ new->next = MPLIST_VAL (frame->realized_font_list);
+ MPLIST_VAL (frame->realized_font_list) = new;
+ return new;
+}
+
+static void
+gd_render (MDrawWindow win, int x, int y,
+ MGlyphString *gstring, MGlyph *from, MGlyph *to,
+ int reverse, MDrawRegion region)
+{
+ gdImagePtr img = (gdImagePtr) win;
+ FT_Face ft_face;
+ MRealizedFace *rface = from->rface;
+ FT_Int32 load_flags = FT_LOAD_RENDER;
+ int i, j;
+ int color, pixel;
+ int r, g, b;
+
+ pixel = RESOLVE_COLOR (img, color);
+
+ if (from == to)
+ return;
+
+ /* It is assured that the all glyphs in the current range use the
+ same realized face. */
+ ft_face = rface->rfont->fontp;
+ color = ((int *) rface->info)[reverse ? COLOR_INVERSE : COLOR_NORMAL];
+ pixel = RESOLVE_COLOR (img, color);
+
+ if (gstring->anti_alias)
+ r = color >> 16, g = (color >> 8) & 0xFF, b = color & 0xFF;
+ else
+ {
+#ifdef FT_LOAD_TARGET_MONO
+ load_flags |= FT_LOAD_TARGET_MONO;
+#else
+ load_flags |= FT_LOAD_MONOCHROME;
+#endif
+ }
+
+ for (; from < to; x += from++->width)
+ {
+ unsigned char *bmp;
+ int xoff, yoff;
+ int width, pitch;
+
+ FT_Load_Glyph (ft_face, (FT_UInt) from->code, load_flags);
+ yoff = y - ft_face->glyph->bitmap_top + from->yoff;
+ bmp = ft_face->glyph->bitmap.buffer;
+ width = ft_face->glyph->bitmap.width;
+ pitch = ft_face->glyph->bitmap.pitch;
+ if (! gstring->anti_alias)
+ pitch *= 8;
+ if (width > pitch)
+ width = pitch;
+
+ if (gstring->anti_alias)
+ for (i = 0; i < ft_face->glyph->bitmap.rows;
+ i++, bmp += ft_face->glyph->bitmap.pitch, yoff++)
+ {
+ xoff = x + ft_face->glyph->bitmap_left + from->xoff;
+ for (j = 0; j < width; j++, xoff++)
+ if (bmp[j] > 0)
+ {
+ int pixel1 = pixel;
+#if HAVE_GD > 1
+ int alpha = gdAlphaTransparent * (255 - bmp[j]) / 255;
+
+ if (alpha > 0)
+ pixel1 = gdImageColorResolveAlpha (img, r, g, b, alpha);
+#else
+ int f = bmp[j] >> 5;
+
+ if (f < 7)
+ {
+ int r1, g1, b1, color1;
+
+ pixel1 = gdImageGetPixel (img, xoff, yoff);
+ r1 = gdImageRed (img, pixel1);
+ g1 = gdImageGreen (img, pixel1);
+ b1 = gdImageBlue (img, pixel1);
+ color1 = ((((r * f + r1 * (7 - f)) / 7) << 16)
+ | (((g * f + g1 * (7 - f)) / 7) << 8)
+ | ((b * f + b1 * (7 - f)) / 7));
+ pixel1 = RESOLVE_COLOR (img, color1);
+ }
+#endif
+ gdImageSetPixel (img, xoff, yoff, pixel1);
+ }
+ }
+ else
+ for (i = 0; i < ft_face->glyph->bitmap.rows;
+ i++, bmp += ft_face->glyph->bitmap.pitch, yoff++)
+ {
+ xoff = x + ft_face->glyph->bitmap_left + from->xoff;
+ for (j = 0; j < width; j++, xoff++)
+ if (bmp[j / 8] & (1 << (7 - (j % 8))))
+ gdImageSetPixel (img, xoff, yoff, pixel);
+ }
+ }
+}
static void
gd_close (MFrame *frame)
gd_dump_region,
};
-
-static void
-gd_render (MDrawWindow win, int x, int y,
- MGlyphString *gstring, MGlyph *from, MGlyph *to,
- int reverse, MDrawRegion region)
-{
- gdImagePtr img = (gdImagePtr) win;
- MFTInfo *ft_info;
- FT_Face ft_face;
- MRealizedFace *rface = from->rface;
- FT_Int32 load_flags = FT_LOAD_RENDER;
- int i, j;
- int color, pixel;
- int r, g, b;
-
- pixel = RESOLVE_COLOR (img, color);
-
- if (from == to)
- return;
-
- /* It is assured that the all glyphs in the current range use the
- same realized face. */
- ft_info = (MFTInfo *) rface->rfont->info;
- ft_face = ft_info->ft_face;
- color = ((int *) rface->info)[reverse ? COLOR_INVERSE : COLOR_NORMAL];
- pixel = RESOLVE_COLOR (img, color);
-
- if (gstring->anti_alias)
- r = color >> 16, g = (color >> 8) & 0xFF, b = color & 0xFF;
- else
- {
-#ifdef FT_LOAD_TARGET_MONO
- load_flags |= FT_LOAD_TARGET_MONO;
-#else
- load_flags |= FT_LOAD_MONOCHROME;
-#endif
- }
-
- for (; from < to; x += from++->width)
- {
- unsigned char *bmp;
- int xoff, yoff;
- int width, pitch;
-
- FT_Load_Glyph (ft_face, (FT_UInt) from->code, load_flags);
- yoff = y - ft_face->glyph->bitmap_top + from->yoff;
- bmp = ft_face->glyph->bitmap.buffer;
- width = ft_face->glyph->bitmap.width;
- pitch = ft_face->glyph->bitmap.pitch;
- if (! gstring->anti_alias)
- pitch *= 8;
- if (width > pitch)
- width = pitch;
-
- if (gstring->anti_alias)
- for (i = 0; i < ft_face->glyph->bitmap.rows;
- i++, bmp += ft_face->glyph->bitmap.pitch, yoff++)
- {
- xoff = x + ft_face->glyph->bitmap_left + from->xoff;
- for (j = 0; j < width; j++, xoff++)
- if (bmp[j])
- {
- int f = bmp[j] >> 5;
- int pixel1 = pixel;
-
- if (f < 7)
- {
- int r1, g1, b1, color1;
-
- pixel1 = gdImageGetPixel (img, xoff, yoff);
- r1 = gdImageRed (img, pixel1);
- g1 = gdImageGreen (img, pixel1);
- b1 = gdImageBlue (img, pixel1);
- color1 = ((((r * f + r1 * (7 - f)) / 7) << 16)
- | (((g * f + g1 * (7 - f)) / 7) << 8)
- | ((b * f + b1 * (7 - f)) / 7));
- pixel1 = RESOLVE_COLOR (img, color1);
- }
- gdImageSetPixel (img, xoff, yoff, pixel1);
- }
- }
- else
- for (i = 0; i < ft_face->glyph->bitmap.rows;
- i++, bmp += ft_face->glyph->bitmap.pitch, yoff++)
- {
- xoff = x + ft_face->glyph->bitmap_left + from->xoff;
- for (j = 0; j < width; j++, xoff++)
- if (bmp[j / 8] & (1 << (7 - (j % 8))))
- gdImageSetPixel (img, xoff, yoff, pixel);
- }
- }
-}
-
-
-static MFontDriver gd_font_driver =
- { NULL, NULL, NULL, NULL, gd_render };
+/* Functions to be stored in MDeviceLibraryInterface by dlsym (). */
int
device_init ()
scratch_images[0] = scratch_images[1] = NULL;
gd_font_driver.select = mfont__ft_driver.select;
- gd_font_driver.open = mfont__ft_driver.open;
gd_font_driver.find_metric = mfont__ft_driver.find_metric;
+ gd_font_driver.has_char = mfont__ft_driver.has_char;
gd_font_driver.encode_char = mfont__ft_driver.encode_char;
+ gd_font_driver.list = mfont__ft_driver.list;
return 0;
}
}
M17N_OBJECT_UNREF (realized_face_list);
- MPLIST_DO (plist, realized_font_list)
- mfont__free_realized ((MRealizedFont *) MPLIST_VAL (plist));
+ if (MPLIST_VAL (realized_font_list))
+ mfont__free_realized (MPLIST_VAL (realized_font_list));
M17N_OBJECT_UNREF (realized_font_list);
for (i = 0; i < 2; i++)
return 0;
}
-void *
+int
device_open (MFrame *frame, MPlist *param)
{
MFace *face;
+ frame->device = NULL;
frame->device_type = MDEVICE_SUPPORT_OUTPUT;
+ frame->dpi = (int) mplist_get (param, Mresolution);
+ if (frame->dpi == 0)
+ frame->dpi = 100;
frame->driver = &gd_driver;
frame->font_driver_list = mplist ();
mplist_add (frame->font_driver_list, Mfreetype, &gd_font_driver);
face = mface_copy (mface__default);
mplist_push (param, Mface, face);
M17N_OBJECT_UNREF (face);
- return Mt;
+ return 0;
}
+#else /* not HAVE_GD nor HAVE_FREETYPE */
+
+int device_open () { return -1; }
+
#endif /* not HAVE_GD nor HAVE_FREETYPE */
/*** @} */
projects / m17n / m17n-lib.git / blobdiff