along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-#ifdef USE_FREETYPE
+#ifdef HAVE_FREETYPE
#include <freetype/freetype.h>
#include <freetype/ftglyph.h>
{
FT_Face face;
FT_Error error;
- const char* name;
+ const char* name = 0;
FT_ULong charcode;
FT_UInt gindex;
SWFFONT* font;
int t;
+ int skipunused = 1;
+ int*glyph2glyph;
if(ftlibrary == 0) {
if(FT_Init_FreeType(&ftlibrary)) {
font->layout = malloc(sizeof(SWFLAYOUT));
memset(font->layout, 0, sizeof(SWFLAYOUT));
font->layout->bounds = malloc(face->num_glyphs*sizeof(SRECT));
- font->numchars = face->num_glyphs;
font->style = ((face->style_flags&FT_STYLE_FLAG_ITALIC)?FONT_STYLE_ITALIC:0)
|((face->style_flags&FT_STYLE_FLAG_BOLD)?FONT_STYLE_BOLD:0);
font->encoding = FONT_ENCODING_UNICODE;
font->glyph2ascii = malloc(face->num_glyphs*sizeof(U16));
memset(font->glyph2ascii, 0, face->num_glyphs*sizeof(U16));
font->maxascii = 0;
- memset(font->ascii2glyph, -1, font->maxascii*sizeof(int));
font->glyph = malloc(face->num_glyphs*sizeof(SWFGLYPH));
- memset(font->glyph, 0, face->num_glyphs*sizeof(U16));
+ memset(font->glyph, 0, face->num_glyphs*sizeof(SWFGLYPH));
if(FT_HAS_GLYPH_NAMES(face)) {
font->glyphnames = malloc(face->num_glyphs*sizeof(char*));
+ memset(font->glyphnames,0,face->num_glyphs*sizeof(char*));
}
- font->layout->ascent = face->ascender; //face->bbox.xMin;
- font->layout->descent = face->descender; //face->bbox.xMax;
- font->layout->leading = -face->bbox.xMin;
+ font->layout->ascent = face->ascender*20/FT_SUBPIXELS; //face->bbox.xMin;
+ font->layout->descent = abs(face->descender)*20/FT_SUBPIXELS; //face->bbox.xMax;
+ font->layout->leading = abs(face->bbox.yMin - face->bbox.yMax); //-face->bbox.xMin*20/FT_SUBPIXELS;
font->layout->kerningcount = 0;
+ name = FT_Get_Postscript_Name(face);
if(name && *name)
- font->name = (U8*)strdup(FT_Get_Postscript_Name(face));
+ font->name = (U8*)strdup(name);
/* // Map Glyphs to Unicode, version 1 (quick and dirty):
int t;
font->ascii2glyph = malloc(font->maxascii*sizeof(int));
for(t=0;t<font->maxascii;t++) {
- font->ascii2glyph[t] = FT_Get_Char_Index(face, t);
- if(!font->ascii2glyph[t])
- font->ascii2glyph[t] = -1;
+ int g = FT_Get_Char_Index(face, t);
+ if(!g || g>=face->num_glyphs)
+ g = -1;
+ font->ascii2glyph[t] = g;
+ if(g>=0) {
+ if(!font->glyph2ascii[g]) {
+ font->glyph2ascii[g] = t;
+ }
+ }
}
+ font->numchars = 0;
+
+ glyph2glyph = (int*)malloc(face->num_glyphs*sizeof(int));
+
for(t=0; t < face->num_glyphs; t++) {
FT_Glyph glyph;
FT_BBox bbox;
char name[128];
drawer_t draw;
int ret;
+ char hasname = 0;
name[0]=0;
if(FT_HAS_GLYPH_NAMES(face)) {
error = FT_Get_Glyph_Name(face, t, name, 127);
- if(!error)
- font->glyphnames[t] = strdup(name);
+ if(!error && name[0] && !strstr(name, "notdef")) {
+ font->glyphnames[font->numchars] = strdup(name);
+ hasname = 1;
+ }
+ }
+ if(!font->glyph2ascii[t] && !hasname && skipunused) {
+ continue;
}
error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP|FT_LOAD_NO_SCALE);
if(error) return 0;
#if 0
if(bbox.xMin > 0) {
- font->glyph[t].advance = (bbox.xMax*FT_SCALE)/FT_SUBPIXELS;
+ font->glyph[font->numchars].advance = (bbox.xMax*FT_SCALE)/FT_SUBPIXELS;
} else {
- font->glyph[t].advance = ((bbox.xMax - bbox.xMin)*FT_SCALE)/FT_SUBPIXELS;
+ font->glyph[font->numchars].advance = ((bbox.xMax - bbox.xMin)*FT_SCALE)/FT_SUBPIXELS;
}
#else
- font->glyph[t].advance = glyph->advance.x/65536;
+ font->glyph[font->numchars].advance = glyph->advance.x*20/65536;
#endif
- font->glyph[t].shape = swf_ShapeDrawerToShape(&draw);
+ font->glyph[font->numchars].shape = swf_ShapeDrawerToShape(&draw);
- font->layout->bounds[t].xmin = (bbox.xMin*FT_SCALE*20)/FT_SUBPIXELS;
- font->layout->bounds[t].ymin = (bbox.yMin*FT_SCALE*20)/FT_SUBPIXELS;
- font->layout->bounds[t].xmax = (bbox.xMax*FT_SCALE*20)/FT_SUBPIXELS;
- font->layout->bounds[t].ymax = (bbox.yMax*FT_SCALE*20)/FT_SUBPIXELS;
+ font->layout->bounds[font->numchars].xmin = (bbox.xMin*FT_SCALE*20)/FT_SUBPIXELS;
+ font->layout->bounds[font->numchars].ymin = (bbox.yMin*FT_SCALE*20)/FT_SUBPIXELS;
+ font->layout->bounds[font->numchars].xmax = (bbox.xMax*FT_SCALE*20)/FT_SUBPIXELS;
+ font->layout->bounds[font->numchars].ymax = (bbox.yMax*FT_SCALE*20)/FT_SUBPIXELS;
draw.dealloc(&draw);
FT_Done_Glyph(glyph);
+ font->glyph2ascii[font->numchars] = font->glyph2ascii[t];
+ glyph2glyph[t] = font->numchars;
+ font->numchars++;
}
+ /* notice: if skipunused is true, font->glyph2ascii, font->glyphnames and font->layout->bounds will
+ have more memory allocated than just font->numchars, but only the first font->numchars
+ are used/valid */
+
+ for(t=0;t<font->maxascii;t++) {
+ if(font->ascii2glyph[t]>=0) {
+ font->ascii2glyph[t] = glyph2glyph[font->ascii2glyph[t]];
+ }
+ }
+ free(glyph2glyph);
FT_Done_Face(face);
FT_Done_FreeType(ftlibrary);ftlibrary=0;
return font;
}
-#else //USE_FREETYPE
+#else //HAVE_FREETYPE
SWFFONT* swf_LoadTrueTypeFont(char*filename)
{
#include <t1lib.h>
+static int t1lib_initialized = 0;
+
SWFFONT* swf_LoadT1Font(char*filename)
{
SWFFONT * font;
char**charname;
int c;
- T1_SetBitmapPad(16);
- if ((T1_InitLib(NO_LOGFILE)==NULL)){
- fprintf(stderr, "Initialization of t1lib failed\n");
- return 0;
+ if(!t1lib_initialized) {
+ T1_SetBitmapPad(16);
+ if ((T1_InitLib(NO_LOGFILE)==NULL)){
+ fprintf(stderr, "Initialization of t1lib failed\n");
+ return 0;
+ }
+ t1lib_initialized = 1;
}
nr = T1_AddFont(filename);
T1_LoadFont(nr);
memset(font, 0, sizeof(SWFFONT));
font->version = 2;
- font->name = (U8*)strdup(fontname);
+ if(fontname)
+ font->name = (U8*)strdup(fontname);
+ else
+ font->name = 0;
font->layout = (SWFLAYOUT*)malloc(sizeof(SWFLAYOUT));
memset(font->layout, 0, sizeof(SWFLAYOUT));
draw.dealloc(&draw);
font->layout->bounds[c] = bbox;
- font->glyph[c].advance = bbox.xmax/20;
+ font->glyph[c].advance = bbox.xmax;
if(!font->glyph[c].advance) {
font->glyph[c].advance = firstx;
}
#endif
+static int isSWF(const char*filename)
+{
+ FILE*fi = fopen(filename, "rb");
+ char a[8];
+ if(!fi) {
+ perror(filename);
+ return -1;
+ }
+ memset(a, 0, sizeof(a));
+ fread(a, 4, 1, fi);
+ fclose(fi);
+
+ if(!strncmp(a, "FWS", 3) || !strncmp(a, "CWS", 3)) {
+ return 1;
+ }
+ return 0;
+}
+
+SWFFONT* swf_LoadFont(char*filename)
+{
+ int is_swf = isSWF(filename);
+ if(is_swf<0)
+ return 0;
+ if(is_swf) {
+ return swf_ReadFont(filename);
+ }
+#if defined(HAVE_FREETYPE)
+ return swf_LoadTrueTypeFont(filename);
+#elif defined(HAVE_T1LIB)
+ return swf_LoadT1Font(filename);
+#else
+ fprintf(stderr, "Error: Neither T1lib nor FreeType support compiled in. Could not load %s\n", filename);
+ return 0;
+#endif
+}
+