static int errorno = 0;
-gfxfont_t* gfxfont_load(char*filename, double quality)
+gfxfont_t* gfxfont_load(char*id, char*filename, double quality)
{
FT_Face face;
FT_Error error;
int charmap = -1;
int isunicode = 1;
int has_had_errors = 0;
+ int num_names = 0;
if(ftlibrary == 0) {
if(FT_Init_FreeType(&ftlibrary)) {
FT_Set_Pixel_Sizes (face, 16*loadfont_scale, 16*loadfont_scale);
if(error) {
- fprintf(stderr, "Couldn't load file %s- not a TTF file?\n", filename);
+ fprintf(stderr, "Couldn't load file %s- not a TTF file? (error=%02x)\n", filename, error);
return 0;
}
if(face->num_glyphs <= 0) {
//font->leading = font->layout->ascent + font->layout->descent;
//font->encoding = FONT_ENCODING_UNICODE;
font->max_unicode = 0;
+ font->id = strdup(id);
font->glyphs = rfx_calloc(face->num_glyphs*sizeof(gfxglyph_t));
glyph2unicode = rfx_calloc(face->num_glyphs*sizeof(int));
the encoding is no longer unicode.
TODO: find a way to convert the encoding to unicode
*/
- if(font->max_unicode == 0 && charmap < face->num_charmaps - 1) {
+ if(font->max_unicode == 0 && charmap < face->num_charmaps-1 &&
+ face->charmaps[charmap+1]->encoding != 0x41444243 /* custom */)
+ {
charmap++;
FT_Set_Charmap(face, face->charmaps[charmap]);
- //font->encoding = 0;//anything but unicode FIXME
isunicode = 0;
- } else
+ } else
break;
}
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;
font->glyphs[font->num_glyphs].unicode = glyph2unicode[t];
font->glyphs[font->num_glyphs].name = 0;
- if(FT_HAS_GLYPH_NAMES(face)) {
+ 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(has_had_errors && (isunicode && !glyph2unicode[t]) && !hasname) {
+
+#if 0 // some cantonese pdfs fail to work if this is activated
+
+ if(has_had_errors && (isunicode && !glyph2unicode[t]) && !hasname && t>=256) {
/* 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;
}
+#endif
+
if(!omit) {
error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP);
if(error) {
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;
+ omit = 2;
#if 0
if(!has_had_errors) {
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;
+ omit = 3;
}
}
if(!omit) {
+ gfxline_t*l;
+ int ok=0;
gfxdrawer_target_gfxline(&draw);
info.draw = &draw;
info.quality = quality;
fprintf(stderr, "Couldn't decompose glyph %d\n", t);
gfxline_free((gfxline_t*)draw.result(&draw));
FT_Done_Glyph(glyph);
- omit = 1;
+ omit = 4;
} else {
- font->glyphs[font->num_glyphs].advance = glyph->advance.x*20/65536;
+ 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 && !name) {
+ 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.
+ */
+ 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 = 5;
+ }
}
if(!omit) {
FT_Done_Glyph(glyph);
+ font->glyphs[font->num_glyphs].unicode = glyph2unicode[t];
}
+
glyph2glyph[t] = font->num_glyphs;
font->num_glyphs++;
}
FT_Done_Face(face);
FT_Done_FreeType(ftlibrary);ftlibrary=0;
-
- if(!isunicode && font->num_glyphs>0) {
+
+ if(!isunicode && font->num_glyphs>0 && font->max_unicode) {
/* if the encoding isn't unicode, remap the font
so that the encoding equals the char position, and
remove the unicode table */