removed MAX_CHAR_PER_FONT, made TTF support work.
authorkramm <kramm>
Sat, 31 Jan 2004 20:01:57 +0000 (20:01 +0000)
committerkramm <kramm>
Sat, 31 Jan 2004 20:01:57 +0000 (20:01 +0000)
lib/modules/swffont.c
lib/modules/swftext.c
lib/rfxswf.h

index d6f157b..db4eab7 100644 (file)
 #include <freetype/ttnameid.h>
 #include <freetype/ftoutln.h>
 
+#define FT_SCALE 1
+#define FT_SUBPIXELS 64
+
 static int ft_move_to(FT_Vector* _to, void* user) 
 {
     drawer_t* draw = (drawer_t*)user;
     FPOINT to;
-    to.x = _to->x/256.0;
-    to.y = _to->y/256.0;
+    to.x = _to->x*FT_SCALE/(float)FT_SUBPIXELS;
+    to.y = -_to->y*FT_SCALE/(float)FT_SUBPIXELS;
     draw->moveTo(draw, &to);
     return 0;
 }
@@ -42,8 +45,8 @@ static int ft_line_to(FT_Vector* _to, void* user)
 {
     drawer_t* draw = (drawer_t*)user;
     FPOINT to;
-    to.x = _to->x/256.0;
-    to.y = _to->y/256.0;
+    to.x = _to->x*FT_SCALE/(float)FT_SUBPIXELS;
+    to.y = -_to->y*FT_SCALE/(float)FT_SUBPIXELS;
     draw->lineTo(draw, &to);
     return 0;
 }
@@ -51,12 +54,12 @@ static int ft_cubic_to(FT_Vector* _c1, FT_Vector* _c2, FT_Vector* _to, void* use
 {
     drawer_t* draw = (drawer_t*)user;
     FPOINT c1,c2,to;
-    to.x = _to->x/256.0;
-    to.y = _to->y/256.0;
-    c1.x = _c1->x/256.0;
-    c1.y = _c1->y/256.0;
-    c2.x = _c2->x/256.0;
-    c2.y = _c2->y/256.0;
+    to.x = _to->x*FT_SCALE/(float)FT_SUBPIXELS;
+    to.y = -_to->y*FT_SCALE/(float)FT_SUBPIXELS;
+    c1.x = _c1->x*FT_SCALE/(float)FT_SUBPIXELS;
+    c1.y = -_c1->y*FT_SCALE/(float)FT_SUBPIXELS;
+    c2.x = _c2->x*FT_SCALE/(float)FT_SUBPIXELS;
+    c2.y = -_c2->y*FT_SCALE/(float)FT_SUBPIXELS;
     draw_cubicTo(draw, &c1, &c2, &to);
     return 0;
 }
@@ -64,10 +67,10 @@ static int ft_conic_to(FT_Vector* _c, FT_Vector* _to, void* user)
 {
     drawer_t* draw = (drawer_t*)user;
     FPOINT c,to;
-    to.x = _to->x/256.0;
-    to.y = _to->y/256.0;
-    c.x = _c->x/256.0;
-    c.y = _c->y/256.0;
+    to.x = _to->x*FT_SCALE/(float)FT_SUBPIXELS;
+    to.y = -_to->y*FT_SCALE/(float)FT_SUBPIXELS;
+    c.x = _c->x*FT_SCALE/(float)FT_SUBPIXELS;
+    c.y = -_c->y*FT_SCALE/(float)FT_SUBPIXELS;
     draw_conicTo(draw, &c, &to);
     return 0;
 }
@@ -118,8 +121,9 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
                  |((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, 0, font->maxascii*sizeof(int));
+    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));
     if(FT_HAS_GLYPH_NAMES(face)) {
@@ -162,17 +166,21 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
        charcode = FT_Get_Next_Char(face, charcode, &gindex);
     }
     
-    memset(font->glyph2ascii, 0, face->num_glyphs*sizeof(U16));
     font->ascii2glyph = malloc(font->maxascii*sizeof(int));
     
-    for(t=0;t<font->maxascii;t++)
+    for(t=0;t<font->maxascii;t++) {
        font->ascii2glyph[t] = FT_Get_Char_Index(face, t);
+       if(!font->ascii2glyph[t])
+           font->ascii2glyph[t] = -1;
+    }
 
     for(t=0; t < face->num_glyphs; t++) {
        FT_Glyph glyph;
        FT_BBox bbox;
+       FT_Matrix matrix;
        char name[128];
        drawer_t draw;
+       int ret;
        name[0]=0;
        if(FT_HAS_GLYPH_NAMES(face)) {
            error = FT_Get_Glyph_Name(face, t, name, 127);
@@ -185,23 +193,47 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
        if(error) return 0;
 
        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(bbox.yMax < bbox.yMin) {
+           // swap
+           bbox.yMax ^= bbox.yMin;
+           bbox.yMin ^= bbox.yMax;
+           bbox.yMax ^= bbox.yMin;
+       }
 
        swf_Shape01DrawerInit(&draw, 0);
 
+       //error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &draw);
        error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &draw);
        if(error) return 0;
 
        draw.finish(&draw);
 
-       font->glyph[t].advance = glyph->advance.x*20/256;
+#if 0
+       if(bbox.xMin > 0) {
+           font->glyph[t].advance = (bbox.xMax*FT_SCALE)/FT_SUBPIXELS;
+       } else {
+           font->glyph[t].advance = ((bbox.xMax - bbox.xMin)*FT_SCALE)/FT_SUBPIXELS;
+       }
+#else
+       font->glyph[t].advance = glyph->advance.x/65536;
+#endif
+       
        font->glyph[t].shape = swf_ShapeDrawerToShape(&draw);
-       //swf_ShapeDrawerGetBBox(&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;
+
        draw.dealloc(&draw);
-    
-       font->layout->bounds[t].xmin = (bbox.xMin*5*20)/266;
-       font->layout->bounds[t].ymin = (bbox.yMin*5*20)/266;
-       font->layout->bounds[t].xmax = (bbox.xMax*5*20)/266;
-       font->layout->bounds[t].ymax = (bbox.yMax*5*20)/266;
 
        FT_Done_Glyph(glyph);
     }
index 433dc81..cb55d76 100644 (file)
@@ -319,7 +319,11 @@ int swf_FontExtract_DefineTextCallback(int id,SWFFONT * f,TAG * t,int jobs,
   flags = swf_GetU8(t);
   
   while(flags)
-  { if (flags&TF_TEXTCONTROL)
+  { 
+    // FIXME: according to open-swf@macromedia.com, this is wrong.
+    // it should alternate textcontrol and text arrays, not
+    // rely on the high bit. (and length can be 0-255).
+    if (flags&TF_TEXTCONTROL)
     { if (flags&TF_HASFONT) fid = swf_GetU16(t);
       if (flags&TF_HASCOLOR)
       { swf_GetU8(t); // rgb
@@ -417,7 +421,7 @@ int swf_FontReduce(SWFFONT * f,FONTUSAGE * use)
   j = 0;
   for (i=0;i<f->numchars;i++)
     if (f->glyph[i].shape)
-    { if (f->glyph2ascii[i]<MAX_CHAR_PER_FONT && 
+    { if (f->glyph2ascii[i]<f->numchars&& 
            use->code[f->glyph2ascii[i]])
       { f->ascii2glyph[f->glyph2ascii[i]] = j;
         f->glyph2ascii[j] = f->glyph2ascii[i];
@@ -438,12 +442,18 @@ int swf_FontReduce(SWFFONT * f,FONTUSAGE * use)
   return j;
 }
 
-int swf_FontInitUsage(FONTUSAGE * use)
+int swf_FontInitUsage(SWFFONT* f, FONTUSAGE * use)
 { if (!use) return -1;
-  memset(use->code,0,sizeof(use->code[0])*MAX_CHAR_PER_FONT);
+  use->code = malloc(sizeof(use->code[0])*f->numchars);
+  memset(use->code,0,sizeof(use->code[0])*f->numchars);
   return 0;
 }
 
+void swf_FontClearUsage(SWFFONT* f, FONTUSAGE * use)
+{ if (!use) return;
+  free(use->code);
+}
+
 int swf_FontUse(FONTUSAGE * use,U8 * s)
 { if ((!use)||(!s)) return -1;
   while (s[0])
@@ -483,6 +493,17 @@ int swf_FontSetDefine(TAG * t,SWFFONT * f)
   return 0;
 }
 
+static inline int fontSize(SWFFONT*font)
+{
+    int t;
+    int size = 0;
+    for(t=0;t<font->numchars;t++) {
+       int l = (font->glyph[t].shape->bitlen+7)/8;
+       size += l+1;
+    }
+    return size + (font->numchars+1)*2;
+}
+
 int swf_FontSetDefine2(TAG *tag, SWFFONT * f)
 {
     U8 flags = 0;
@@ -490,6 +511,7 @@ int swf_FontSetDefine2(TAG *tag, SWFFONT * f)
     int pos;
     int pos2;
     swf_SetU16(tag, f->id);
+
     if(f->layout) 
        flags |= 128; // haslayout
     if(f->numchars>256)
@@ -498,7 +520,12 @@ int swf_FontSetDefine2(TAG *tag, SWFFONT * f)
        flags |= 1; // bold
     if(f->style & FONT_STYLE_ITALIC)
        flags |= 2; // italic
-    /* wideoffs 8 */
+    if(f->maxascii>=256)
+       flags |= 4; //wide codecs
+    if(fontSize(f)>65535)
+       flags |= 8; //wide offsets
+    flags |= 8; //FIXME: the above check doesn't work
+
     if(f->encoding & FONT_ENCODING_ANSI)
        flags |= 16; // ansi
     if(f->encoding & FONT_ENCODING_UNICODE)
@@ -520,25 +547,38 @@ int swf_FontSetDefine2(TAG *tag, SWFFONT * f)
     swf_SetU16(tag, f->numchars);
     /* font offset table */
     pos = tag->len;
-    for(t=0;t<f->numchars;t++)
+    for(t=0;t<=f->numchars;t++)
     {
-       swf_SetU16(tag, /* fontoffset */ 0); /*placeholder*/
+       if(flags&8)
+           swf_SetU32(tag, /* fontoffset */ 0); /*placeholder*/
+       else
+           swf_SetU16(tag, /* fontoffset */ 0); /*placeholder*/
     }
-    pos2 = tag->len;
-    swf_SetU16(tag, 0); //fontcode-fontoffset
-    for(t=0;t<f->numchars;t++) {
-       tag->data[pos + t*2] = (tag->len-pos);
-       tag->data[pos + t*2 + 1] = (tag->len-pos) >> 8;
-       swf_SetSimpleShape(tag, f->glyph[t].shape);
+
+    for(t=0;t<=f->numchars;t++) {
+       if(flags&8) {
+           tag->data[pos + t*4    ] = (tag->len-pos);
+           tag->data[pos + t*4 + 1] = (tag->len-pos) >> 8;
+           tag->data[pos + t*4 + 2] = (tag->len-pos) >> 16;
+           tag->data[pos + t*4 + 3] = (tag->len-pos) >> 24;
+       } else {
+           if(tag->len - pos > 65535) {
+               fprintf(stderr, "Internal error: Font too big and WideOffsets flag not set\n");
+               exit(1);
+           }
+           tag->data[pos + t*2    ] = (tag->len-pos);
+           tag->data[pos + t*2 + 1] = (tag->len-pos) >> 8;
+       }
+       if(t<f->numchars)
+           swf_SetSimpleShape(tag, f->glyph[t].shape);
     }
 
-    tag->data[pos2] = tag->len - pos;
-    tag->data[pos2 + 1] = (tag->len - pos) >> 8;
     
     /* font code table */
     if(flags & 4) /* wide codes */ {
-       for(t=0;t<f->numchars;t++)
+       for(t=0;t<f->numchars;t++) {
            swf_SetU16(tag,f->glyph2ascii[t]);
+       }
     } else {
        for(t=0;t<f->numchars;t++)
            swf_SetU8(tag,f->glyph2ascii[t]);
@@ -557,11 +597,11 @@ int swf_FontSetDefine2(TAG *tag, SWFFONT * f)
        swf_SetU16(tag, f->layout->kerningcount);
        for(t=0;t<f->layout->kerningcount;t++) {
            if(flags & 4) /* wide codes */ {
-               swf_SetU8(tag,f->layout->kerning[t].char1);
-               swf_SetU8(tag,f->layout->kerning[t].char2);
-           } else {
                swf_SetU16(tag,f->layout->kerning[t].char1);
                swf_SetU16(tag,f->layout->kerning[t].char2);
+           } else {
+               swf_SetU8(tag,f->layout->kerning[t].char1);
+               swf_SetU8(tag,f->layout->kerning[t].char2);
            }
            swf_SetU16(tag,f->layout->kerning[t].adjustment);
        }
@@ -661,6 +701,13 @@ void swf_FontFree(SWFFONT * f)
       free(f->glyph2ascii);
       f->glyph2ascii = NULL;
     }
+    if(f->glyphnames) {
+      int t;
+      for(t=0;t<f->numchars;t++) {
+       free(f->glyphnames[t]);
+      }
+      free(f->glyphnames);
+    }
   }
   free(f);
 }
@@ -804,8 +851,8 @@ void swf_WriteFont(SWFFONT*font, char* filename)
      did use definefont2 -mk*/
   t = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
   swf.firstTag = t;
-       rgb.r = 0xff;
-       rgb.g = 0xff;
+       rgb.r = 0xef;
+       rgb.g = 0xef;
        rgb.b = 0xff;
        swf_SetRGB(t,&rgb);
   if(!useDefineFont2) {
@@ -818,24 +865,35 @@ void swf_WriteFont(SWFFONT*font, char* filename)
     swf_FontSetDefine2(t,font);
   }
 
-  if(1) //useDefineFont2
-  {     int textscale = 400;
+  if(1) //neccessary only for df1, but pretty to look at anyhow, so do it always
+  {
+        int textscale = 400;
        int s;
        int xmax = 0;
-       int ymax = textscale * 2 * (font->maxascii/16+1);
+       int ymax = 0;
+       int ypos = 1;
        U8 gbits,abits;
-       U8 text[MAX_CHAR_PER_FONT+1];
-       int x,y;
-       text[MAX_CHAR_PER_FONT]=0;
+       int x,y,c;
+       
+       c=0;
        for(s=0;s<font->maxascii;s++)
        {
            int g = font->ascii2glyph[s];
-           text[s] = s;
            if(g>=0) {
-              if(font->glyph[g].advance*textscale/64 > xmax)
+              if(font->glyph[g].advance*textscale/64 > xmax) {
                   xmax = font->glyph[g].advance*textscale/64;
+              }
+              c++;
+           }
+           if((s&15)==0) {
+               if(c) {
+                   ypos++;
+               }
+               c=0;
            }
        }
+       ymax = ypos*textscale*2;
+
        swf.movieSize.xmax = xmax*20;
        swf.movieSize.ymax = ymax;
 
@@ -845,7 +903,7 @@ void swf_WriteFont(SWFFONT*font, char* filename)
 
            r.xmin = 0;
            r.ymin = 0;
-           r.xmax = swf.movieSize.xmax*20;
+           r.xmax = swf.movieSize.xmax;
            r.ymax = swf.movieSize.ymax;
            
            swf_SetRect(t,&r);
@@ -861,10 +919,10 @@ void swf_WriteFont(SWFFONT*font, char* filename)
            rgb.r = 0x00;
            rgb.g = 0x00;
            rgb.b = 0x00;
-           for(y=0;y<=((font->maxascii-1)/16);y++)
+           ypos = 1;
+           for(y=0;y<((font->maxascii+15)/16);y++)
            {
                int c=0,lastx=-1;
-               /* TODO: firstx?? */
                for(x=0;x<16;x++) {
                    int g = (y*16+x<font->maxascii)?font->ascii2glyph[y*16+x]:-1;
                    if(g>=0 && font->glyph[g].shape) {
@@ -874,7 +932,7 @@ void swf_WriteFont(SWFFONT*font, char* filename)
                    }
                }
                if(c) {
-                 swf_TextSetInfoRecord(t,font,textscale,&rgb,lastx+1,textscale*y*2);
+                 swf_TextSetInfoRecord(t,font,textscale,&rgb,lastx+1,textscale*ypos*2);
                  for(x=0;x<16;x++)
                  {
                      int g = (y*16+x<font->maxascii)?font->ascii2glyph[y*16+x]:-1;
@@ -889,6 +947,7 @@ void swf_WriteFont(SWFFONT*font, char* filename)
                        swf_ResetWriteBits(t);
                      }
                  }
+                 ypos++;
                } 
            }
            swf_SetU8(t,0);
@@ -899,6 +958,7 @@ void swf_WriteFont(SWFFONT*font, char* filename)
             swf_ObjectPlace(t,font->id+1,1,NULL,NULL,NULL);
      
         t = swf_InsertTag(t,ST_SHOWFRAME);
+
   }
   
   t = swf_InsertTag(t,ST_END);
@@ -1092,7 +1152,7 @@ static U32 readUTF8char(char**text)
     return *((*text)++);
 }
 
-void swf_DrawText(SWFSHAPEDRAWER*draw, SWFFONT*font, char*text)
+void swf_DrawText(drawer_t*draw, SWFFONT*font, char*text)
 {
     char*s = text;
     int advance = 0;
@@ -1109,19 +1169,19 @@ void swf_DrawText(SWFSHAPEDRAWER*draw, SWFFONT*font, char*text)
                FPOINT to;
                to.x = l->x/20.0+advance;
                to.y = l->y/20.0;
-               swf_DrawerMoveTo(draw, &to);
+               draw->moveTo(draw, &to);
            } else if(l->type == lineTo) {
                FPOINT to;
                to.x = l->x/20.0+advance;
                to.y = l->y/20.0;
-               swf_DrawerLineTo(draw, &to);
+               draw->lineTo(draw, &to);
            } else if(l->type == splineTo) {
                FPOINT mid,to;
                mid.x = l->sx/20.0+advance;
                mid.y = l->sy/20.0;
                to.x = l->x/20.0+advance;
                to.y = l->y/20.0;
-               swf_DrawerSplineTo(draw, &mid, &to);
+               draw->splineTo(draw, &mid, &to);
            }
            l = l->next;
        }
index 55ddf2e..ea60818 100644 (file)
@@ -502,10 +502,9 @@ typedef struct _SWFFONT
   char **      glyphnames;
 } SWFFONT, * LPSWFFONT;
 
-#define MAX_CHAR_PER_FONT 512
 // does not support wide characters !
 typedef struct _FONTUSAGE
-{ U8 code[MAX_CHAR_PER_FONT];
+{ U8* code;
 } FONTUSAGE, * LPFONTUSAGE;
 
 #define ET_HASTEXT 32768
@@ -547,7 +546,7 @@ int swf_FontIsBold(SWFFONT * f);
 int swf_FontSetID(SWFFONT * f,U16 id);
 int swf_FontReduce(SWFFONT * f,FONTUSAGE * use);
 
-int swf_FontInitUsage(FONTUSAGE * use);
+int swf_FontInitUsage(SWFFONT * f,FONTUSAGE * use);
 int swf_FontUse(FONTUSAGE * use,U8 * s);
 
 int swf_FontSetDefine(TAG * t,SWFFONT * f);