X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfobject.c;h=36b66d435d4ed71e2d092cda6a467ff05f623077;hb=445a7e494abd92243be4f21028c609beb99e4322;hp=fe32e770f42354c10fdc15f32c27d7e64e402216;hpb=cfb06dab4b1674078f1306d1c537ad03d00def26;p=swftools.git

diff --git a/lib/modules/swfobject.c b/lib/modules/swfobject.c
index fe32e77..36b66d4 100644
--- a/lib/modules/swfobject.c
+++ b/lib/modules/swfobject.c
@@ -7,53 +7,214 @@
 
    Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
  
-   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.
 
-#define PF_MOVE         0x01
-#define PF_CHAR         0x02
-#define PF_MATRIX       0x04
-#define PF_CXFORM       0x08
-#define PF_RATIO        0x10
-#define PF_NAME         0x20
-#define PF_CLIPACTION   0x40
+   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 */
 
-int ObjectPlace(TAG * t,U16 id,U16 depth,MATRIX * m,CXFORM * cx,U8 * name)
-{ U8 flags;
-  if (!t) return -1;
+#include "../rfxswf.h"
 
-  flags = (id?PF_CHAR:0)|(m?PF_MATRIX:0)|(cx?PF_CXFORM:0)|(name?PF_NAME:0)|((m||cx)&&(!id)?PF_MOVE:0);
 
-  SetU8(t,flags);
-  SetU16(t,depth);
-  if (flags&PF_CHAR) SetU16(t,id);
-  if (flags&PF_MATRIX) SetMatrix(t,m);
-  if (flags&PF_CXFORM) SetCXForm(t,cx,(cx->a0!=256)||(cx->a1));
-  if (flags&PF_RATIO) SetU16(t,0);
-  if (flags&PF_NAME) SetString(t,name);
-  
-  return 0; 
+char*blendModeNames[] = {"normal","normal2","layer","multiply",
+		       "screen","lighten", "darken","add",
+		       "substract","difference","invert","alpha",
+		       "erase","overlay","hardlight",0};
+
+int isUnitMatrix(MATRIX* m)
+{
+    /* a matrix with all zeros is also considered
+       "unit matrix", as a zeroed out MATRIX structure
+       usually means that the caller doesn't want to
+       set the matrix */
+    if((   (m->sx == 0x10000 && m->sy == 0x10000) 
+	|| (m->sx == 0 && m->sy == 0))
+		&& ((m->r0|m->r1|m->tx|m->ty) == 0)
+      )
+	return 1;
+    return 0;
 }
 
-int PlaceObject(TAG * t,U16 id,U16 depth,MATRIX * m,CXFORM * cx,U8 * name, U16 clipaction)
-{ U8 flags;
+int isUnitCXForm(CXFORM* cx)
+{
+    if((cx->a0==256 && cx->r0==256 && cx->g0==256 && cx->b0==256) &&
+       (cx->a1==0 && cx->r1==0 && cx->g1==0 && cx->b1==0))
+	return 1;
+    /* A CXForm of all zeros is, unfortunately, not as unlikely
+       as a matrix of all zeros. However, we still treat it
+       as non-existent/uniform transform */
+    if((cx->a0==0 && cx->r0==0 && cx->g0==0 && cx->b0==0) &&
+       (cx->a1==0 && cx->r1==0 && cx->g1==0 && cx->b1==0))
+	return 1;
+    return 0;
+}
+
+static int objectplace(TAG * t,U16 id,U16 depth,MATRIX * m,CXFORM * cx,const U8 * name, U16 clipaction, U8 blendmode, FILTERLIST*filters)
+{ U8 flags,flags2;
   if (!t) return -1;
 
-  flags = (id?PF_CHAR:0)|(m?PF_MATRIX:0)|(cx?PF_CXFORM:0)|(name?PF_NAME:0)|
-          ((m||cx)&&(!id)?PF_MOVE:0)|(clipaction?PF_CLIPACTION:0);
-
-  SetU8(t,flags);
-  SetU16(t,depth);
-  if (flags&PF_CHAR) SetU16(t,id);
-  if (flags&PF_MATRIX) SetMatrix(t,m);
-  if (flags&PF_CXFORM) SetCXForm(t,cx,(cx->a0!=256)||(cx->a1));
-  if (flags&PF_RATIO) SetU16(t,0);
-  if (flags&PF_NAME) SetString(t,name);
-  if (flags&PF_CLIPACTION) SetU16(t, clipaction);
+  if(cx && id && cx->r1==0 && cx->g1==0 && cx->b1==0 && cx->a1==0
+	      && cx->r0==256 && cx->g0==256 && cx->b0==256 && cx->a0==256)
+      cx = 0;
+
+  if(m && id && isUnitMatrix(m)) 
+      m = 0;
+
+  flags = (id?PF_CHAR:0)|(m?PF_MATRIX:0)|(cx?PF_CXFORM:0)|(name?PF_NAME:0)|((m||cx)&&(!id)?PF_MOVE:0)|(clipaction?PF_CLIPDEPTH:0);
+  flags2 = (0?PF2_ASBITMAP:0)|(blendmode?PF2_BLENDMODE:0)|(filters?PF2_FILTERS:0);
+
+  swf_SetU8(t,flags);
+  if(t->id == ST_PLACEOBJECT3)
+      swf_SetU8(t, flags2);
+  swf_SetU16(t,depth);
+  if (flags&PF_CHAR) swf_SetU16(t,id);
+  if (flags&PF_MATRIX) swf_SetMatrix(t,m);
+  if (flags&PF_CXFORM) swf_SetCXForm(t,cx,1);
+  if (flags&PF_RATIO) swf_SetU16(t,0);
+  /* ??? The spec states that name comes first? */
+  if (flags&PF_CLIPDEPTH) swf_SetU16(t, clipaction);
+  if (flags&PF_NAME) swf_SetString(t,name);
+	
+  if (flags2&PF2_BLENDMODE)
+    swf_SetU8(t,blendmode);
   return 0; 
 }
+int swf_ObjectPlace(TAG * t,U16 id,U16 depth,MATRIX * m,CXFORM * cx,const U8 * name)
+{
+    return objectplace(t,id,depth,m,cx,name,0,0,0);
+}
+int swf_ObjectPlaceClip(TAG * t,U16 id,U16 depth,MATRIX * m,CXFORM * cx,const U8 * name, U16 clipaction)
+{ 
+    return objectplace(t,id,depth,m,cx,name,clipaction,0,0);
+}
+int swf_ObjectPlaceBlend(TAG * t,U16 id,U16 depth,MATRIX * m,CXFORM * cx,const U8 * name, U8 blend)
+{ 
+    if(t->id != ST_PLACEOBJECT3)
+	fprintf(stderr, "wrong tag- ignoring blend mode\n");
+    return objectplace(t,id,depth,m,cx,name,0,blend,0);
+}
+int swf_ObjectMove(TAG * t,U16 depth,MATRIX * m,CXFORM * cx)
+{
+    return objectplace(t,0,depth,m,cx,0,0,0,0);
+}
 
-int ObjectMove(TAG * t,U16 depth,MATRIX * m,CXFORM * cx)
-{ return ObjectPlace(t,0,depth,m,cx,NULL);
+void swf_SetPlaceObject(TAG * t,SWFPLACEOBJECT* obj)
+{ 
+    if (!t) return ;
+    if(t->id == ST_PLACEOBJECT) {
+	swf_SetU16(t, obj->id);
+	swf_SetU16(t, obj->depth);	
+	swf_SetMatrix(t, &obj->matrix);
+	swf_SetCXForm(t, &obj->cxform, 0);
+    } else {
+	U8 flags,flags2;
+	int m = !isUnitMatrix(&obj->matrix);
+	int cx = !isUnitCXForm(&obj->cxform);
+
+	flags = (obj->id?PF_CHAR:0)|(m?PF_MATRIX:0)|(cx?PF_CXFORM:0)|(obj->ratio?PF_RATIO:0)|
+		(obj->name?PF_NAME:0)|(obj->move?PF_MOVE:0)|
+		(obj->clipdepth?PF_CLIPDEPTH:0);
+	flags2 = (0?PF2_ASBITMAP:0)|(obj->blendmode?PF2_BLENDMODE:0)|(obj->filters?PF2_FILTERS:0);
+
+	swf_SetU8(t,flags);
+	if(t->id == ST_PLACEOBJECT3) 
+	    swf_SetU8(t,flags2);
+	swf_SetU16(t,obj->depth);
+	if (flags&PF_CHAR) swf_SetU16(t,obj->id);
+	if (flags&PF_MATRIX) swf_SetMatrix(t,&obj->matrix);
+	if (flags&PF_CXFORM) swf_SetCXForm(t,&obj->cxform,1);
+	if (flags&PF_RATIO) swf_SetU16(t,obj->ratio);
+  
+	/* ??? The spec states that name comes first? */
+	if (flags&PF_CLIPDEPTH) swf_SetU16(t,obj->clipdepth);
+	if (flags&PF_NAME) swf_SetString(t,obj->name);
+
+	if (flags2&PF2_FILTERS) {
+	    swf_SetU8(t,obj->filters->num);
+	    int s;
+	    for(s=0;s<obj->filters->num;s++)
+		swf_SetFilter(t,obj->filters->filter[s]);
+	}
+	if (flags2&PF2_BLENDMODE)
+	    swf_SetU8(t,obj->blendmode);
+	if (flags&PF_ACTIONEVENT) {
+	    // ...
+	}
+    }
+}
+
+void swf_GetPlaceObject(TAG * tag,SWFPLACEOBJECT* obj)
+{
+    if(obj)
+	memset(obj, 0, sizeof(SWFPLACEOBJECT));
+
+    if(!tag) {
+	swf_GetMatrix(0, &obj->matrix);
+	swf_GetCXForm(0, &obj->cxform, 1);
+	//obj->internal = PF_CHAR|PF_MATRIX|PF_CXFORM;
+	return;
+    }
+    swf_SetTagPos(tag, 0);
+    
+    if(tag->id == ST_PLACEOBJECT) {
+	obj->id = swf_GetU16(tag);
+	obj->depth = swf_GetU16(tag);
+	swf_GetMatrix(tag, &obj->matrix);
+	swf_GetCXForm(tag, &obj->cxform, 0);
+	//obj->internal = PF_CHAR|PF_MATRIX|PF_CXFORM;
+    } else if(tag->id == ST_PLACEOBJECT2 || tag->id == ST_PLACEOBJECT3) {
+	U8 flags,flags2=0;
+        flags = swf_GetU8(tag);
+	if(tag->id == ST_PLACEOBJECT3)
+	    flags2 = swf_GetU8(tag);
+        memset(obj,0,sizeof(SWFPLACEOBJECT));
+            
+        swf_GetMatrix(0,&obj->matrix);
+        swf_GetCXForm(0,&obj->cxform,1);
+
+        obj->depth = swf_GetU16(tag);
+	//obj->internal = flags;
+        if(flags&PF_MOVE) obj->move = 1;
+        if(flags&PF_CHAR) obj->id = swf_GetU16(tag);
+        if(flags&PF_MATRIX) swf_GetMatrix(tag, &obj->matrix);
+        if(flags&PF_CXFORM) swf_GetCXForm(tag, &obj->cxform,1);
+        if(flags&PF_RATIO) obj->ratio = swf_GetU16(tag);
+        /* if you modify the order of these operations, also
+           modify it in ../src/swfcombine.c */
+        if(flags&PF_CLIPDEPTH) 
+            obj->clipdepth = swf_GetU16(tag); //clip
+        if(flags&PF_NAME) {
+            int l,t;
+            U8*data;
+            swf_ResetReadBits(tag);
+            l = strlen((const char *)&tag->data[tag->pos]);
+            t = 0;
+            data = (U8*)rfx_alloc(l+1);
+            obj->name = data;
+            while((data[t++] = swf_GetU8(tag))); 
+        }
+	if(flags2&PF2_BLENDMODE) {
+	    obj->blendmode = swf_GetU8(tag);
+	}
+
+        /* Actionscript ignored (for now) */
+        obj->actions = 0;
+    } else {
+        fprintf(stderr, "rfxswf: Bad Tag: %d not a placeobject\n", tag->id);
+    }
 }
+
+void swf_PlaceObjectFree(SWFPLACEOBJECT* obj)
+{
+    if(obj->name)
+	rfx_free(obj->name);
+}
+