X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswftext.c;h=8d61e0496b25516929dcea692eabac3b38a0a928;hb=1b92dcdf739c6b827ac037ce74a9d9df0fc857a8;hp=30e877fddc7b166ecf514b81b1f9f65c3a760ab8;hpb=a96acf64e3570fd1ef0c91d9883d1238398b1b38;p=swftools.git

diff --git a/lib/modules/swftext.c b/lib/modules/swftext.c
index 30e877f..8d61e04 100644
--- a/lib/modules/swftext.c
+++ b/lib/modules/swftext.c
@@ -6,10 +6,21 @@
    Part of the swftools package.
 
    Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
+   Copyright (c) 2003,2004 Matthias Kramm
  
-   This file is distributed under the GPL, see file COPYING for details 
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
 
-*/
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 #define TF_TEXTCONTROL  0x80
 #define TF_HASFONT      0x08
@@ -164,6 +175,31 @@ int swf_FontExtract_DefineFontInfo(int id,SWFFONT * f,TAG * t)
   return id;
 }
 
+int swf_FontExtract_GlyphNames(int id,SWFFONT * f,TAG * tag)
+{ 
+    U16 fid;
+    U16 maxcode;
+    U8 flags;
+    swf_SaveTagPos(tag);
+    swf_SetTagPos(tag,0);
+
+    fid = swf_GetU16(tag);
+
+    if (fid==id)
+    { 
+        int num = swf_GetU16(tag);
+	int t;
+	f->glyphnames = malloc(sizeof(char*)*num);
+	for(t=0;t<num;t++) {
+	    f->glyphnames[t] = strdup(swf_GetString(tag));
+	}
+    }
+
+    swf_RestoreTagPos(tag);
+    return id;
+}
+
+
 int swf_FontExtract_DefineFont2(int id,SWFFONT * font,TAG * tag)
 {
     int t, glyphcount;
@@ -309,7 +345,11 @@ 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
@@ -378,6 +418,7 @@ int swf_FontExtract(SWF * swf,int id,SWFFONT * * font)
         break;
         
       case ST_DEFINEFONTINFO:
+      case ST_DEFINEFONTINFO2:
         nid = swf_FontExtract_DefineFontInfo(id,f,t);
         break;
         
@@ -385,6 +426,10 @@ int swf_FontExtract(SWF * swf,int id,SWFFONT * * font)
       case ST_DEFINETEXT2:
         nid = swf_FontExtract_DefineText(id,f,t,f->layout?0:FEDTJ_MODIFY);
         break;
+      
+      case ST_GLYPHNAMES:
+        nid = swf_FontExtract_GlyphNames(id,f,t);
+        break;
     }
     if (nid>0) id = nid;
     t = swf_NextTag(t);
@@ -406,7 +451,7 @@ 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];
@@ -427,12 +472,18 @@ 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])
@@ -472,6 +523,17 @@ 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;
@@ -479,6 +541,7 @@ 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)
@@ -487,7 +550,12 @@ 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)
@@ -509,25 +577,38 @@ 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]);
@@ -546,11 +627,11 @@ 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);
 	}
@@ -650,11 +731,18 @@ 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);
 }
 
-int swf_TextSetInfoRecord(TAG * t,SWFFONT * font,U16 size,RGBA * color,S16 dx,S16 dy)
+int swf_TextSetInfoRecord(TAG * t,SWFFONT * font,U16 size,RGBA * color,int dx,int dy)
 { U8 flags;
   if (!t) return -1;
 
@@ -684,7 +772,7 @@ int swf_TextCountBits(SWFFONT * font,U8 * s,int scale,U8 * gbits,U8 * abits)
     if(s[0] < font->maxascii)
 	glyph = font->ascii2glyph[s[0]];
     if(glyph>=0) {
-       g = swf_CountBits(glyph,g);
+       g = swf_CountUBits(glyph,g);
        a = swf_CountBits((((U32)font->glyph[glyph].advance)*scale)/100,a);
     }
     s++;
@@ -772,6 +860,7 @@ void swf_WriteFont(SWFFONT*font, char* filename)
   RGBA rgb;
   int f;
   int useDefineFont2 = 0;
+  int storeGlyphNames = 1;
 
   if(font->layout)
       useDefineFont2 = 1; /* the only thing new in definefont2 
@@ -793,8 +882,8 @@ 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) {
@@ -807,24 +896,46 @@ void swf_WriteFont(SWFFONT*font, char* filename)
     swf_FontSetDefine2(t,font);
   }
 
-  if(1) //useDefineFont2
-  {     int textscale = 400;
+  if(storeGlyphNames)
+  {
+    int c;
+    t = swf_InsertTag(t,ST_GLYPHNAMES);
+    swf_SetU16(t, font->id);
+    swf_SetU16(t, font->numchars);
+    for(c=0;c<font->numchars;c++) {
+	swf_SetString(t, font->glyphnames[c]);
+    }
+  }
+
+  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;
 
@@ -834,7 +945,7 @@ 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);
@@ -850,10 +961,10 @@ 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) {
@@ -863,7 +974,7 @@ 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;
@@ -878,6 +989,7 @@ void swf_WriteFont(SWFFONT*font, char* filename)
 			swf_ResetWriteBits(t);
 		      }
 		  }
+		  ypos++;
 		} 
 	    }
 	    swf_SetU8(t,0);
@@ -888,6 +1000,7 @@ 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);
@@ -1015,7 +1128,7 @@ void swf_FontCreateLayout(SWFFONT*f)
 	if(!shape2) { 
 	    fprintf(stderr, "Shape parse error\n");exit(1);
 	}
-	bbox = swf_GetShapeBoundingBox(shape2->lines);
+	bbox = swf_GetShapeBoundingBox(shape2);
 	swf_Shape2Free(shape2);
 	f->layout->bounds[t] = bbox;
 	/* FIXME */
@@ -1037,4 +1150,87 @@ void swf_FontCreateLayout(SWFFONT*f)
     }
 }
 	
+static U32 readUTF8char(char**text)
+{
+    U32 c = 0;
+    if(!(*(*text) & 0x80))
+	return *((*text)++);
+
+    /* 0000 0080-0000 07FF   110xxxxx 10xxxxxx */
+    if(((*text)[0] & 0xe0) == 0xc0 && (*text)[1])  
+    {
+	c = ((*text)[0] & 0x1f) << 6 | ((*text)[1] & 0x3f);
+	(*text) += 2;
+	return c;
+    }
+    /* 0000 0800-0000 FFFF   1110xxxx 10xxxxxx 10xxxxxx */
+    if(((*text)[0] & 0xf0) == 0xe0 && (*text)[1] && (*text)[2])
+    {
+	c = ((*text)[0] & 0x0f) << 12 | ((*text)[1] & 0x3f) << 6 | ((*text)[2] & 0x3f);
+	(*text) += 3;
+	return c;
+    }
+    /* 0001 0000-001F FFFF   11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
+    if(((*text)[0] & 0xf8) == 0xf0 && (*text)[1] && (*text)[2] && (*text)[3] )  
+    {
+	c = ((*text)[0] & 0x07) << 18 | ((*text)[1] & 0x3f) << 12 | ((*text)[2] & 0x3f)<<6 | ((*text)[3] & 0x3f);
+	(*text) += 4;
+	return c;
+    }
+    /* 0020 0000-03FF FFFF   111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
+    if(((*text)[0] & 0xfc) == 0xf8 && (*text)[1] && (*text)[2] && (*text)[3] && (*text)[4])  
+    {
+	c = ((*text)[0] & 0x03) << 24 | ((*text)[1] & 0x3f) << 18 | ((*text)[2] & 0x3f)<<12 | ((*text)[3] & 0x3f) << 6 | ((*text)[4] & 0x3f);
+	(*text) += 5;
+	return c;
+    }
+    /* 0400 0000-7FFF FFFF   1111110x 10xxxxxx ... 10xxxxxx */
+    if(((*text)[0] & 0xfe) == 0xfc && (*text)[1] && (*text)[2] && (*text)[3] && (*text)[4] && (*text)[5])  
+    {
+	c = ((*text)[0] & 0x01) << 30 | ((*text)[1] & 0x3f) << 24 | ((*text)[2] & 0x3f)<<18 | ((*text)[3] & 0x3f) << 12 | ((*text)[4] & 0x3f) << 6  | ((*text)[5] & 0x3f) << 6;
+	(*text) += 6;
+	return c;
+    }
+    return *((*text)++);
+}
+
+void swf_DrawText(drawer_t*draw, SWFFONT*font, char*text)
+{
+    char*s = text;
+    int advance = 0;
+    while(*s) {
+	SHAPE*shape;
+	SHAPE2*shape2;
+	SHAPELINE*l;
+	U32 c = readUTF8char(&s);
+	int g = font->ascii2glyph[c];
+	shape = font->glyph[g].shape;
+	shape2 = swf_ShapeToShape2(shape);
+	l = shape2->lines;
+	while(l) {
+	    if(l->type == moveTo) {
+		FPOINT to;
+		to.x = l->x/20.0+advance;
+		to.y = l->y/20.0;
+		draw->moveTo(draw, &to);
+	    } else if(l->type == lineTo) {
+		FPOINT to;
+		to.x = l->x/20.0+advance;
+		to.y = l->y/20.0;
+		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;
+		draw->splineTo(draw, &mid, &to);
+	    }
+	    l = l->next;
+	}
+	swf_Shape2Free(shape2);
+	advance += font->glyph[g].advance;
+    }
+}
+