added clipping against cropbox (page background shape).

[swftools.git] / pdf2swf / swfoutput.cc

diff --git a/pdf2swf/swfoutput.cc b/pdf2swf/swfoutput.cc
index 0da570b..ca507c3 100644 (file)
--- a/pdf2swf/swfoutput.cc
+++ b/pdf2swf/swfoutput.cc
@@ -996,13 +996,18 @@ SWFFont::SWFFont(char*name, int id, char*filename)
     int t, outlinepos=0;
     char*map[256];
 
+    char*null = 0;
+    if(!a)
+       a=&null;
+
     t=0;
     while(a[t])
         t++;
     this->charnum = t;
 
-    if(!charnum) 
-        return;
+    if(!charnum) {
+       this->standardtablesize = 0;
+    }
     msg("<verbose> Font %s(%d): Storing %d outlines.\n", FIXNULL(name), id, charnum);
 
     this->standardtablesize = 256;
@@ -1166,7 +1171,8 @@ SWFFont::~SWFFont()
     }
 
     free(ptr);
-    free(outline);
+    if(outline)
+       free(outline);
     for(t=0;t<charnum;t++)
         free(charname[t]);
     for(t=0;t<standardtablesize;t++)
@@ -1346,15 +1352,15 @@ void swfoutput_drawchar(struct swfoutput* obj,double x,double y,char*character,
 }
 
 /* initialize the swf writer */
-void swfoutput_init(struct swfoutput* obj, char*_filename, int _sizex, int _sizey) 
+void swfoutput_init(struct swfoutput* obj, char*_filename, int x1, int y1, int x2, int y2)
 {
   GLYPH *glyph;
   RGBA rgb;
   SRECT r;
   memset(obj, 0, sizeof(struct swfoutput));
   filename = _filename;
-  sizex = _sizex;
-  sizey = _sizey;
+  sizex = x2;
+  sizey = y2;
 
   msg("<verbose> initializing swf output for size %d*%d\n", sizex,sizey);
 
@@ -1364,18 +1370,50 @@ void swfoutput_init(struct swfoutput* obj, char*_filename, int _sizex, int _size
 
   swf.fileVersion    = flashversion;
   swf.frameRate      = 0x0040; // 1 frame per 4 seconds
-  swf.movieSize.xmax = 20*sizex;
-  swf.movieSize.ymax = 20*sizey;
+  swf.movieSize.xmin = 20*x1;
+  swf.movieSize.ymin = 20*y1;
+  swf.movieSize.xmax = 20*x2;
+  swf.movieSize.ymax = 20*y2;
+  
+  depth = 1;
   
   swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
   tag = swf.firstTag;
-  rgb.r = 0xff;
-  rgb.g = 0xff;
-  rgb.b = 0xff;
+  rgb.a = rgb.r = rgb.g = rgb.b = 0xff;
   swf_SetRGB(tag,&rgb);
-  if(flag_protected)  // good practice! /r
+
+  if(1)/* add white rectangle */
+  {
+      SRECT r;
+      SHAPE* s;
+      int ls1=0,fs1=0;
+      int shapeid = ++currentswfid;
+      r.xmin = x1*20;
+      r.ymin = y1*20;
+      r.xmax = x2*20;
+      r.ymax = y2*20;
+      tag = swf_InsertTag(tag, ST_DEFINESHAPE);
+      swf_ShapeNew(&s);
+      fs1 = swf_ShapeAddSolidFillStyle(s, &rgb);
+      swf_SetU16(tag,shapeid);
+      swf_SetRect(tag,&r);
+      swf_SetShapeHeader(tag,s);
+      swf_ShapeSetAll(tag,s,x1*20,y1*20,ls1,fs1,0);
+      swf_ShapeSetLine(tag,s,20*(x2-x1),0);
+      swf_ShapeSetLine(tag,s,0,20*(y2-y1));
+      swf_ShapeSetLine(tag,s,20*(x1-x2),0);
+      swf_ShapeSetLine(tag,s,0,20*(y1-y2));
+      swf_ShapeSetEnd(tag);
+      swf_ShapeFree(s);
+      tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
+      swf_ObjectPlace(tag,shapeid,depth++,0,0,0);
+      tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
+      swf_ObjectPlaceClip(tag,shapeid,depth++,0,0,0,65535);
+  }
+
+  if(flag_protected)
     tag = swf_InsertTag(tag, ST_PROTECT);
-  depth = 1;
+  
   startdepth = depth;
 }
 
@@ -1497,8 +1535,7 @@ void swfoutput_newpage(struct swfoutput*obj)
         swf_SetU16(tag,depth);
     }
 
-    depth = 1;
-    startdepth = depth;
+    depth = startdepth;
 }
 
 /* "destroy" like in (oo-terminology) "destructor". Perform cleaning