along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+#include "../config.h"
#include "gfxdevice.h"
#include "gfxtools.h"
static int loadfont_scale = 64;
-static int skip_unused = 0;
static int full_unicode = 1;
#ifdef HAVE_FREETYPE
gfxline_free(g->line);g->line = 0;
}
-void gfxfont_free(gfxfont_t*font)
-{
- int t;
- for(t=0;t<font->num_glyphs;t++) {
- glyph_clear(&font->glyphs[t]);
- }
- if(font->glyphs) {
- free(font->glyphs);font->glyphs = 0;
- }
- font->num_glyphs = 0;
- if(font->unicode2glyph) {
- free(font->unicode2glyph);font->unicode2glyph = 0;
- }
- free(font);
-}
+static int errorno = 0;
gfxfont_t* gfxfont_load(char*filename, double quality)
{
FT_Face face;
FT_Error error;
- const char* name = 0;
+ const char* fontname = 0;
FT_ULong charcode;
FT_UInt gindex;
gfxfont_t* font;
int max_unicode = 0;
int charmap = -1;
int isunicode = 1;
-
+ int has_had_errors = 0;
+ int num_names = 0;
+
if(ftlibrary == 0) {
if(FT_Init_FreeType(&ftlibrary)) {
fprintf(stderr, "Couldn't init freetype library!\n");
//font->glyphnames = rfx_calloc(face->num_glyphs*sizeof(char*));
}
- /*name = FT_Get_Postscript_Name(face);
- if(name && *name)
- font->name = strdup(name);*/
+ fontname = FT_Get_Postscript_Name(face);
while(1)
{
font->num_glyphs = 0;
+
+ for(t=0; t < face->num_glyphs; t++) {
+ if(FT_HAS_GLYPH_NAMES(face)) {
+ char name[128];
+ error = FT_Get_Glyph_Name(face, t, name, 127);
+ if(!error && name[0] && !strstr(name, "notdef")) {
+ num_names++;
+ }
+ }
+ }
+
+
for(t=0; t < face->num_glyphs; t++) {
FT_Glyph glyph;
FT_BBox bbox;
gfxdrawinfo_t info;
int ret;
char hasname = 0;
+ int omit = 0;
name[0]=0;
- if(FT_HAS_GLYPH_NAMES(face)) {
+
+ font->glyphs[font->num_glyphs].advance = 0;
+ font->glyphs[font->num_glyphs].line = 0;
+ font->glyphs[font->num_glyphs].unicode = glyph2unicode[t];
+ font->glyphs[font->num_glyphs].name = 0;
+
+ if(FT_HAS_GLYPH_NAMES(face) && (num_names >= face->num_glyphs/10 || num_names > 2)) {
+ name[0] = 0;
error = FT_Get_Glyph_Name(face, t, name, 127);
if(!error && name[0] && !strstr(name, "notdef")) {
font->glyphs[font->num_glyphs].name = strdup(name);
hasname = 1;
}
}
- if(!glyph2unicode[t] && !hasname && skip_unused) {
- continue;
- }
- error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP);
- if(error) {
- fprintf(stderr, "Couldn't load glyph %d, error:%d\n", t, error);
- continue;
- }
- error = FT_Get_Glyph(face->glyph, &glyph);
- if(error) {
- fprintf(stderr, "Couldn't get glyph %d, error:%d\n", t, error);
- continue;
+ if(has_had_errors && (isunicode && !glyph2unicode[t]) && !hasname) {
+ /* some freetype versions crash or corrupt memory if we try to load
+ characters (without unicode index or name) above 256 for some fonts.
+ So skip those characters once the first error occured */
+ omit = 1;
}
+ if(!omit) {
+ error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP);
+ if(error) {
+ if(hasname)
+ fprintf(stderr, "Warning: glyph %d/%d (unicode %d, name %s) has return code %d\n", t, face->num_glyphs, glyph2unicode[t], name, error);
+ else
+ fprintf(stderr, "Warning: glyph %d/%d (unicode %d) has return code %d\n", t, face->num_glyphs, glyph2unicode[t], error);
+ omit = 1;
- FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_unscaled, &bbox);
- bbox.yMin = -bbox.yMin;
- bbox.yMax = -bbox.yMax;
- if(bbox.xMax < bbox.xMin) {
- // swap
- bbox.xMax ^= bbox.xMin;
- bbox.xMin ^= bbox.xMax;
- bbox.xMax ^= bbox.xMin;
+#if 0
+ if(!has_had_errors) {
+ char buf[256];
+ if(fontname && *fontname) {
+ fprintf(stderr, "font has been copied to %s.ttf\n", fontname);
+ sprintf(buf, "cp %s %s.ttf", filename, fontname);
+ } else {
+ fprintf(stderr, "font has been copied to badfont%d.ttf\n", errorno);
+ sprintf(buf, "cp %s badfont%d.ttf", filename, errorno);
+ errorno++;
+ }
+ system(buf);
+ }
+#endif
+ has_had_errors = 1;
+ }
}
- if(bbox.yMax < bbox.yMin) {
- // swap
- bbox.yMax ^= bbox.yMin;
- bbox.yMin ^= bbox.yMax;
- bbox.yMax ^= bbox.yMin;
+ if(!omit) {
+ error = FT_Get_Glyph(face->glyph, &glyph);
+ if(error) {
+ fprintf(stderr, "Couldn't get glyph %d/%d, error:%d\n", t, face->num_glyphs, error);
+ omit = 1;
+ }
}
- gfxdrawer_target_gfxline(&draw);
- info.draw = &draw;
- info.quality = quality;
-
- //error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &info);
- error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &info);
-
- if(error) {
- fprintf(stderr, "Couldn't decompose glyph %d\n", t);
- gfxline_free((gfxline_t*)draw.result(&draw));
- continue;
+ if(!omit) {
+ gfxline_t*l;
+ int ok=0;
+ gfxdrawer_target_gfxline(&draw);
+ info.draw = &draw;
+ info.quality = quality;
+
+ //error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &info);
+ error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &info);
+
+ if(error) {
+ fprintf(stderr, "Couldn't decompose glyph %d\n", t);
+ gfxline_free((gfxline_t*)draw.result(&draw));
+ FT_Done_Glyph(glyph);
+ omit = 1;
+ } else {
+ font->glyphs[font->num_glyphs].advance = glyph->advance.x*20/65536;
+ font->glyphs[font->num_glyphs].line = (gfxline_t*)draw.result(&draw);
+ }
+ l = font->glyphs[font->num_glyphs].line;
+ while(l) {
+ if(l->type != gfx_moveTo) {
+ ok = 1;
+ }
+ l = l->next;
+ }
+ if(!ok) {
+ gfxline_free(font->glyphs[font->num_glyphs].line);
+ font->glyphs[font->num_glyphs].line = 0;
+ font->glyphs[font->num_glyphs].advance = 0;
+
+ /* Some PDFs created e.g. by InDesign tend to create
+ fonts with reduced (empty) characters, which still
+ have unicode indices attached to them.
+ Remove that information, in order to not confuse
+ any converter applications.
+
+ TODO: what about space characters? */
+ font->glyphs[font->num_glyphs].unicode = 0;
+ if(font->glyphs[font->num_glyphs].name) {
+ free(font->glyphs[font->num_glyphs].name);
+ font->glyphs[font->num_glyphs].name = 0;
+ }
+ FT_Done_Glyph(glyph);
+ omit = 1;
+ }
}
-#if 0
- if(bbox.xMin > 0) {
- font->glyph[font->num_glyphs].advance = (bbox.xMax*20*FT_SCALE)/FT_SUBPIXELS;
- } else {
- font->glyph[font->num_glyphs].advance = ((bbox.xMax - bbox.xMin)*20*FT_SCALE)/FT_SUBPIXELS;
+ if(!omit) {
+ FT_Done_Glyph(glyph);
+ font->glyphs[font->num_glyphs].unicode = glyph2unicode[t];
}
-#else
- font->glyphs[font->num_glyphs].advance = glyph->advance.x*20/65536;
-#endif
-
- font->glyphs[font->num_glyphs].line = (gfxline_t*)draw.result(&draw);
-
- /*font->glyphs[font->num_glyphs].bbox.xmin = (bbox.xMin*FT_SCALE*20)/FT_SUBPIXELS;
- font->glyphs[font->num_glyphs].bbox.ymin = (bbox.yMin*FT_SCALE*20)/FT_SUBPIXELS;
- font->glyphs[font->num_glyphs].bbox.xmax = (bbox.xMax*FT_SCALE*20)/FT_SUBPIXELS;
- font->glyphs[font->num_glyphs].bbox.ymax = (bbox.yMax*FT_SCALE*20)/FT_SUBPIXELS;*/
- FT_Done_Glyph(glyph);
- font->glyphs[font->num_glyphs].unicode = glyph2unicode[t];
glyph2glyph[t] = font->num_glyphs;
font->num_glyphs++;
}
+
/* notice: if skip_unused is true, font->glyph2unicode, font->glyphnames and font->layout->bounds will
have more memory allocated than just font->num_glyphs, but only the first font->numchars
are used/valid */
#endif
+void gfxfont_free(gfxfont_t*font)
+{
+ int t;
+ for(t=0;t<font->num_glyphs;t++) {
+ glyph_clear(&font->glyphs[t]);
+ }
+ if(font->glyphs) {
+ free(font->glyphs);font->glyphs = 0;
+ }
+ font->num_glyphs = 0;
+ if(font->unicode2glyph) {
+ free(font->unicode2glyph);font->unicode2glyph = 0;
+ }
+ free(font);
+}
+
git.asbjorn.biz / swftools.git / blobdiff