X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswftools.c;h=b51203184f4adefb6506c8e85d8e0b0c33dc9e27;hb=e40d573cbf6659328121d0383d6d5ac8acd58c34;hp=5881827156dc6bbf0ea3c4528346d7713e2b23bb;hpb=92639540a5db28c4e5cbb87bad85fa4abb886308;p=swftools.git

diff --git a/lib/modules/swftools.c b/lib/modules/swftools.c
index 5881827..b512031 100644
--- a/lib/modules/swftools.c
+++ b/lib/modules/swftools.c
@@ -25,9 +25,11 @@
 
 #define S64 long long
 SFIXED RFXSWF_SP(SFIXED a1,SFIXED a2,SFIXED b1,SFIXED b2)
-{ S64 a;
-  a = (S64)a1*(S64)b1+(S64)a2*(S64)b2;
-  return (SFIXED)(a>>16);
+{ S64 a = ((S64)a1*(S64)b1+(S64)a2*(S64)b2)>>16;
+  SFIXED result = (SFIXED)(a);
+  if(a!=result) 
+      fprintf(stderr, "Warning: overflow in matrix multiplication");
+  return result;
 }
 SFIXED RFXSWF_QFIX(int zaehler,int nenner) // bildet Quotient von zwei INTs in SFIXED
 { S64 z = zaehler<<16;
@@ -42,13 +44,14 @@ MATRIX * swf_MatrixJoin(MATRIX * d,MATRIX * s1,MATRIX * s2)
   if (!s1) return (s2)?(MATRIX *)memcpy(d,s2,sizeof(MATRIX)):NULL;
   if (!s2) return (MATRIX *)memcpy(d,s1,sizeof(MATRIX));
   
-  d->tx = s1->tx + s2->tx;
-  d->ty = s1->ty + s2->ty;
+  d->tx = s1->tx + RFXSWF_SP(s1->sx,s1->r1,s2->tx,s2->ty);
+  d->ty = s1->ty + RFXSWF_SP(s1->r0,s1->sy,s2->tx,s2->ty);
   
   d->sx = RFXSWF_SP(s1->sx,s1->r1,s2->sx,s2->r0);
-  d->sy = RFXSWF_SP(s1->r0,s1->sy,s2->r1,s2->sy);
   d->r0 = RFXSWF_SP(s1->r0,s1->sy,s2->sx,s2->r0);
+
   d->r1 = RFXSWF_SP(s1->sx,s1->r1,s2->r1,s2->sy);
+  d->sy = RFXSWF_SP(s1->r0,s1->sy,s2->r1,s2->sy);
 
   //DumpMatrix(NULL,d);
   
@@ -482,7 +485,7 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v
     tag->pos = 0;
     switch(tag->id)
     {
-	case ST_DEFINEBUTTONCXFORM: {
+	case ST_DEFINEBUTTONSOUND: {
 	    int t;
 	    callback(tag, tag->pos + base, callback_data);
 	    for(t=0;t<4;t++) {
@@ -509,7 +512,7 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v
 		}
 	    }
         } break;
-	case ST_DEFINEBUTTONSOUND:
+	case ST_DEFINEBUTTONCXFORM:
 	    callback(tag, tag->pos + base, callback_data); //button id
 	break;
 
@@ -625,39 +628,39 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v
 	    advancebits = swf_GetU8(tag); //advancebits
 	    while(1) {
 		U16 flags;
+		int t;
 		swf_ResetReadBits(tag);
 		flags = swf_GetBits(tag, 8);
 		if(!flags) break;
-		if(flags & 128) // text style record
-		{
+		
+		swf_ResetReadBits(tag);
+		if(flags & 8) { // hasfont
+		    callback(tag, tag->pos + base, callback_data);
+		    id = swf_GetU16(tag);
+		}
+		if(flags & 4) { // hascolor
+		    if(num==1) swf_GetRGB(tag, NULL);
+		    else       swf_GetRGBA(tag, NULL);
+		}
+		if(flags & 2) { //has x offset
 		    swf_ResetReadBits(tag);
-		    if(flags & 8) { // hasfont
-			callback(tag, tag->pos + base, callback_data);
-			id = swf_GetU16(tag);
-		    }
-		    if(flags & 4) { // hascolor
-			if(num==1) swf_GetRGB(tag, NULL);
-			else       swf_GetRGBA(tag, NULL);
-		    }
-		    if(flags & 2) { //has x offset
-			swf_ResetReadBits(tag);
-			swf_GetU16(tag);
-		    }
-		    if(flags & 1) { //has y offset
-			swf_ResetReadBits(tag);
-			swf_GetU16(tag);
-		    }
-		    if(flags & 8) { //has height
-			swf_ResetReadBits(tag);
-			swf_GetU16(tag);
-		    }
-		} else { // glyph record
-		    int t;
+		    swf_GetU16(tag);
+		}
+		if(flags & 1) { //has y offset
 		    swf_ResetReadBits(tag);
-		    for(t=0;t<flags;t++) {
-			swf_GetBits(tag, glyphbits);
-			swf_GetBits(tag, advancebits);
-		    }
+		    swf_GetU16(tag);
+		}
+		if(flags & 8) { //has height
+		    swf_ResetReadBits(tag);
+		    swf_GetU16(tag);
+		}
+		
+		flags = swf_GetBits(tag, 8);
+		if(!flags) break;
+		swf_ResetReadBits(tag);
+		for(t=0;t<flags;t++) {
+		    swf_GetBits(tag, glyphbits);
+		    swf_GetBits(tag, advancebits);
 		}
 	    }
 	    break;
@@ -879,10 +882,27 @@ void swf_RelocateDepth(SWF*swf, char*bitmap)
 
     while(tag)
     {
+	int depth;
 	/* TODO * clip depths 
 	        * sprites
 	 */
-	int depth = swf_GetDepth(tag);
+	if(tag->id == ST_PLACEOBJECT2) {
+	    SWFPLACEOBJECT obj;
+	    swf_GetPlaceObject(tag, &obj);
+	    if(obj.clipdepth) {
+		int newdepth = obj.clipdepth+nr;
+		if(newdepth>65535) {
+		    fprintf(stderr, "Couldn't relocate depths: too large values\n");
+		    newdepth = 65535;
+		}
+		obj.clipdepth = newdepth;
+		swf_ResetTag(tag, ST_PLACEOBJECT2);
+		swf_SetPlaceObject(tag, &obj);
+	    }
+	    swf_PlaceObjectFree(&obj);
+	}
+
+	depth = swf_GetDepth(tag);
 	if(depth>=0) {
 	    int newdepth = depth+nr;
 	    if(newdepth>65535) {
@@ -911,6 +931,22 @@ U8 swf_isPlaceTag(TAG*tag)
         return 1;
     return 0;
 }
+U8 swf_isTextTag(TAG*tag)
+{
+    if(tag->id == ST_DEFINETEXT ||
+       tag->id == ST_DEFINETEXT2)
+        return 1;
+    return 0;
+}
+
+U8 swf_isFontTag(TAG*tag)
+{
+    if(tag->id == ST_DEFINEFONT ||
+       tag->id == ST_DEFINEFONT2 ||
+       tag->id == ST_DEFINEFONTINFO)
+        return 1;
+    return 0;
+}
 
 U8  swf_isImageTag(TAG*tag)
 {