renamed USE_FREETYPE to HAVE_FREETYPE
[swftools.git] / lib / modules / swffont.c
index db4eab7..f8f7707 100644 (file)
@@ -21,7 +21,7 @@
    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>
@@ -89,7 +89,7 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 {
     FT_Face face;
     FT_Error error;
-    const char* name;
+    const char* name = 0;
     FT_ULong charcode;
     FT_UInt gindex;
     SWFFONT* font;
@@ -135,8 +135,9 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
     font->layout->leading = -face->bbox.xMin;
     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;
@@ -243,7 +244,7 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 
     return font;
 }
-#else  //USE_FREETYPE
+#else  //HAVE_FREETYPE
 
 SWFFONT* swf_LoadTrueTypeFont(char*filename)
 {
@@ -257,6 +258,8 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 
 #include <t1lib.h>
 
+static int t1lib_initialized = 0;
+
 SWFFONT* swf_LoadT1Font(char*filename)
 {
     SWFFONT * font;
@@ -267,12 +270,16 @@ SWFFONT* swf_LoadT1Font(char*filename)
     int s,num;
     char*encoding[256];
     char**charnames;
-    char*charname;
-
-    T1_SetBitmapPad( 16);
-    if ((T1_InitLib(NO_LOGFILE)==NULL)){
-       fprintf(stderr, "Initialization of t1lib failed\n");
-       return 0;
+    char**charname;
+    int c;
+
+    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);
@@ -298,13 +305,13 @@ SWFFONT* swf_LoadT1Font(char*filename)
     memset(font->layout, 0, sizeof(SWFLAYOUT));
 
     num = 0;
-    charname = charnames[0];
+    charname = charnames;
     while(*charname) {
        charname++;
        num++;
     }
 
-    font->maxascii = 256;
+    font->maxascii = num;
     font->numchars = num;
     
     font->style = (/*bold*/0?FONT_STYLE_BOLD:0) + (angle>0.05?FONT_STYLE_ITALIC:0);
@@ -324,31 +331,69 @@ SWFFONT* swf_LoadT1Font(char*filename)
     memset(font->layout->bounds, 0, sizeof(SRECT)*num);
     font->layout->kerningcount = 0;
     font->layout->kerning = 0;
+    font->glyphnames = malloc(num*sizeof(char*));
+    memset(font->glyphnames, 0, num*sizeof(char*));
   
     num = 0;
-    
-    charname = charnames[0];
-    while(*charname) {
-       int c;
-       T1_OUTLINE * outline = T1_GetCharOutline(nr, c, 100.0, 0);
-       int firstx = outline->dest.x/0xffff;
 
-       font->ascii2glyph[s] = num;
-       font->glyph2ascii[num] = s;
-           
-       /* fix bounding box */
-       SHAPE2*shape2;
+    charname = charnames;
+    for(c=0;c<font->numchars;c++) {
+       drawer_t draw;
        SRECT bbox;
-       shape2 = swf_ShapeToShape2(font->glyph[s].shape);
-       if(!shape2) { fprintf(stderr, "Shape parse error\n");exit(1);}
-       bbox = swf_GetShapeBoundingBox(shape2);
-       swf_Shape2Free(shape2);
-       font->layout->bounds[num] = bbox;
-       //font->glyph[num].advance = (int)(width/6.4); // 128/20
-       font->glyph[num].advance = bbox.xmax/20;
-       if(!font->glyph[num].advance) {
-           font->glyph[num].advance = firstx;
+       T1_OUTLINE * outline;
+       FPOINT pos,last;
+       int firstx;
+       
+       outline = T1_GetCharOutline(nr, c, 100.0, 0);
+       firstx = outline->dest.x/0xffff;
+
+       pos.x = 0;
+       pos.y = 0;
+       last = pos;
+       
+       font->glyphnames[c] = strdup(*charname);
+
+       if(c<font->maxascii)
+           font->ascii2glyph[c] = c;
+       font->glyph2ascii[c] = c;
+       
+       swf_Shape01DrawerInit(&draw, 0);
+
+       while(outline) {
+           pos.x += (outline->dest.x/(float)0xffff);
+           pos.y += (outline->dest.y/(float)0xffff);
+
+           if(outline->type == T1_PATHTYPE_MOVE) {
+               draw.moveTo(&draw,&pos);
+           } else if(outline->type == T1_PATHTYPE_LINE) {
+               draw.lineTo(&draw,&pos);
+           } else if(outline->type == T1_PATHTYPE_BEZIER) {
+               T1_BEZIERSEGMENT*o2 = (T1_BEZIERSEGMENT*)outline;
+               FPOINT b,c;
+               b.x = o2->B.x/(float)0xffff+last.x;
+               b.y = o2->B.y/(float)0xffff+last.y;
+               c.x = o2->C.x/(float)0xffff+last.x;
+               c.y = o2->C.y/(float)0xffff+last.y;
+               draw_cubicTo(&draw,&b,&c,&pos);
+           } else {
+               fprintf(stderr, "loadT1Font: unknown outline type:%d\n", outline->type);
+           }
+           last = pos;
+           outline = outline->link;
+       }
+       
+       draw.finish(&draw);
+
+       font->glyph[c].shape = swf_ShapeDrawerToShape(&draw);
+       bbox = swf_ShapeDrawerGetBBox(&draw);
+       draw.dealloc(&draw);
+           
+       font->layout->bounds[c] = bbox;
+       font->glyph[c].advance = bbox.xmax/20;
+       if(!font->glyph[c].advance) {
+           font->glyph[c].advance = firstx;
        }
+       charname++;
     }
     return font;
 }
@@ -363,3 +408,36 @@ SWFFONT* swf_LoadT1Font(char*filename)
 
 #endif
 
+static int isSWF(const char*filename)
+{
+    FILE*fi = fopen(filename, "rb");
+    char a[8];
+    if(!fi) {
+       perror(filename);
+       return 0;
+    }
+    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)
+{
+    if(isSWF(filename)) {
+       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", infile);
+    return 0;
+#endif
+}
+