return m;
}
+void swf_SetDefineID(TAG * tag, U16 newid)
+{
+ int oldlen = tag->len;
+ tag->len = 0;
+ swf_SetU16(tag, newid); /* set defining ID */
+ tag->len = oldlen;
+}
+
U16 swf_GetDefineID(TAG * t)
// up to SWF 4.0
{ U32 oldTagPos;
switch (swf_GetTagID(t))
{ case ST_PLACEOBJECT:
case ST_REMOVEOBJECT:
+ case ST_FREECHARACTER:
case ST_STARTSOUND:
id = swf_GetU16(t);
break;
return name;
}
-void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num)
+#define DEBUG_ENUMERATE if(0)
+
+static void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num)
{
U16 count;
int t;
int id;
id = swf_GetU16(tag); // id;
swf_GetRect(tag, NULL); // bounds
+
+ DEBUG_ENUMERATE printf("Tag:%d Name:%s ID:%d\n", tag->id, swf_TagGetName(tag), id);
enumerateUsedIDs_styles(tag, callback, callback_data, num);
+ DEBUG_ENUMERATE printf("-------\n");
fillbits = swf_GetBits(tag, 4);
linebits = swf_GetBits(tag, 4);
+ DEBUG_ENUMERATE printf("%d %d\n", fillbits, linebits);
swf_ResetReadBits(tag);
while(1) {
int flags;
break;
if(flags&1) { //move
int n = swf_GetBits(tag, 5);
- swf_GetBits(tag, n); //x
- swf_GetBits(tag, n); //y
+ int x,y;
+ x = swf_GetBits(tag, n); //x
+ y = swf_GetBits(tag, n); //y
+ DEBUG_ENUMERATE printf("move %f %f\n",x/20.0,y/20.0);
}
if(flags&2) { //fill0
- swf_GetBits(tag, fillbits);
+ int fill0;
+ fill0 = swf_GetBits(tag, fillbits);
+ DEBUG_ENUMERATE printf("fill0 %d\n", fill0);
}
if(flags&4) { //fill1
- swf_GetBits(tag, fillbits);
+ int fill1;
+ fill1 = swf_GetBits(tag, fillbits);
+ DEBUG_ENUMERATE printf("fill1 %d\n", fill1);
}
if(flags&8) { //linestyle
- swf_GetBits(tag, linebits);
+ int line;
+ line = swf_GetBits(tag, linebits);
+ DEBUG_ENUMERATE printf("linestyle %d\n",line);
}
if(flags&16) {
+ DEBUG_ENUMERATE printf("more fillstyles\n");
enumerateUsedIDs_styles(tag, callback, callback_data, num);
fillbits = swf_GetBits(tag, 4);
linebits = swf_GetBits(tag, 4);
if(flags) { //straight edge
int n = swf_GetBits(tag, 4) + 2;
if(swf_GetBits(tag, 1)) { //line flag
- swf_GetBits(tag, n); //delta x
- swf_GetBits(tag, n); //delta y
+ int x,y;
+ x = swf_GetSBits(tag, n); //delta x
+ y = swf_GetSBits(tag, n); //delta y
+ DEBUG_ENUMERATE printf("line %f %f\n",x/20.0,y/20.0);
} else {
int v=swf_GetBits(tag, 1);
- swf_GetBits(tag, n); //vert/horz
+ int d;
+ d = swf_GetSBits(tag, n); //vert/horz
+ DEBUG_ENUMERATE printf("%s %f\n",v?"vertical":"horizontal", d/20.0);
}
} else { //curved edge
int n = swf_GetBits(tag, 4) + 2;
- swf_GetBits(tag, n);
- swf_GetBits(tag, n);
- swf_GetBits(tag, n);
- swf_GetBits(tag, n);
+ int x1,y1,x2,y2;
+ x1 = swf_GetSBits(tag, n);
+ y1 = swf_GetSBits(tag, n);
+ x2 = swf_GetSBits(tag, n);
+ y2 = swf_GetSBits(tag, n);
+ DEBUG_ENUMERATE printf("curve %f %f %f %f\n", x1/20.0, y1/20.0, x2/20.0, y2/20.0);
}
}
}
void callbackCount(TAG * t,int pos, void*ptr)
{
(*(int*)ptr)++;
+ DEBUG_ENUMERATE printf("callback(%d) %d\n", pos, *(U16*)&t->data[pos]);
}
void callbackFillin(TAG * t,int pos, void*ptr)
{
**(int**)ptr = pos;
(*(int**)ptr)++;
+ DEBUG_ENUMERATE printf("callback(%d) %d\n", pos, *(U16*)&t->data[pos]);
}
int swf_GetNumUsedIDs(TAG * t)
enumerateUsedIDs(t, 0, callbackFillin, &ptr);
}
+void swf_Relocate (SWF*swf, char*bitmap)
+{
+ TAG*tag;
+ int slaveids[65536];
+ memset(slaveids, -1, sizeof(slaveids));
+ tag = swf->firstTag;
+ while(tag)
+ {
+ int num;
+ int *ptr;
+ int t;
+
+ if(swf_isDefiningTag(tag))
+ {
+ int newid;
+ int id;
+
+ id = swf_GetDefineID(tag); //own id
+
+ if(!bitmap[id]) { //free
+ newid = id;
+ }
+ else {
+ newid = 0;
+ for (t=1;t<65536;t++)
+ {
+ if(!bitmap[t])
+ {
+ newid = t;
+ break;
+ }
+ }
+ }
+ bitmap[newid] = 1;
+ slaveids[id] = newid;
+
+ swf_SetDefineID(tag, newid);
+ }
+
+ num = swf_GetNumUsedIDs(tag);
+ ptr = malloc(sizeof(int)*num);
+ swf_GetUsedIDs(tag, ptr);
+
+ for(t=0;t<num;t++) {
+ int id = GET16(&tag->data[ptr[t]]);
+ if(slaveids[id]<0) {
+ fprintf(stderr, "swf_Relocate: Mapping id never encountered before: %d\n", id);
+ return ;
+ }
+ id = slaveids[id];
+ PUT16(&tag->data[ptr[t]], id);
+ }
+ tag=tag->next;
+ }
+}
+