Copyright (c) 2000, 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.
+
+ 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 */
// Matrix & Math tools for SWF files
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;
case ST_DEFINEFONT:
case ST_DEFINEFONT2:
case ST_DEFINEFONTINFO: //pseudodefine
+ case ST_DEFINEFONTINFO2: //pseudodefine
case ST_DEFINETEXT:
case ST_DEFINETEXT2:
case ST_DEFINESOUND:
case ST_DEFINESPRITE:
+ case ST_DEFINEMOVIE:
+ case ST_DEFINEVIDEOSTREAM:
+ case ST_VIDEOFRAME: //pseudodefine
case ST_NAMECHARACTER: //pseudodefine
id = swf_GetU16(t);
break;
return id;
}
+SRECT swf_GetDefineBBox(TAG * t)
+{
+ U32 oldTagPos;
+ U16 id = 0;
+ SRECT b1,b2;
+
+ oldTagPos = swf_GetTagPos(t);
+ swf_SetTagPos(t,0);
+
+ swf_GetRect(0, &b1);
+
+ switch (swf_GetTagID(t))
+ { case ST_DEFINESHAPE:
+ case ST_DEFINESHAPE2:
+ case ST_DEFINESHAPE3:
+ case ST_DEFINEEDITTEXT:
+ case ST_DEFINEBUTTON:
+ case ST_DEFINEBUTTON2:
+ case ST_DEFINETEXT:
+ case ST_DEFINETEXT2:
+ case ST_DEFINEVIDEOSTREAM:
+ id = swf_GetU16(t);
+ swf_GetRect(t, &b1);
+ break;
+ case ST_DEFINEMORPHSHAPE:
+ id = swf_GetU16(t);
+ swf_GetRect(t, &b1);
+ swf_GetRect(t, &b2);
+ swf_ExpandRect2(&b1, &b2);
+ break;
+ case ST_DEFINEBITSLOSSLESS:
+ case ST_DEFINEBITSLOSSLESS2:
+ case ST_DEFINEBITS:
+ case ST_DEFINEBITSJPEG2:
+ case ST_DEFINEBITSJPEG3:
+ // FIXME
+ break;
+ }
+
+ swf_SetTagPos(t,oldTagPos);
+
+ return b1;
+}
+
U16 swf_GetPlaceID(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;
ST_DEFINEBUTTON,
ST_DEFINEBUTTON2,
ST_DEFINESOUND,
+ ST_DEFINEVIDEOSTREAM,
-1
};
static int swf_pseudodefiningtagids[] =
{
ST_DEFINEFONTINFO,
+ ST_DEFINEFONTINFO2,
ST_DEFINEBUTTONCXFORM,
ST_DEFINEBUTTONSOUND,
ST_NAMECHARACTER,
+ ST_DOINITACTION,
+ ST_VIDEOFRAME,
-1
};
return 0;
}
-U16 swf_GetDepth(TAG * t)
-// up to SWF 4.0
+int swf_GetDepth(TAG * t)
{
- U16 depth = 0;
+ int depth = -1;
U32 oldTagPos;
oldTagPos = swf_GetTagPos(t);
swf_SetTagPos(t,0);
{ U8 flags = swf_GetU8(t);
depth = swf_GetU16(t);
} break;
+ case ST_SETTABINDEX:
+ {
+ depth = swf_GetU16(t);
+ }
}
swf_SetTagPos(t,oldTagPos);
return depth;
}
+void swf_SetDepth(TAG * t, U16 depth)
+{
+ switch (swf_GetTagID(t))
+ { case ST_PLACEOBJECT:
+ case ST_REMOVEOBJECT:
+ PUT16(t->data, depth);
+ break;
+ case ST_REMOVEOBJECT2:
+ PUT16(t->data, depth);
+ break;
+ case ST_PLACEOBJECT2:
+ PUT16(&t->data[1], depth);
+ break;
+ case ST_SETTABINDEX:
+ PUT16(t->data, depth);
+ break;
+ default:
+ fprintf(stderr, "rfxswf: Error: tag %d has no depth\n", t->id);
+ }
+}
+
char* swf_GetName(TAG * t)
{
char* name = 0;
swf_GetCXForm(t, &c, 1);
if(flags&PF_RATIO)
swf_GetU16(t);
+ if(flags&PF_CLIPACTION)
+ swf_GetU16(t);
if(flags&PF_NAME) {
swf_ResetReadBits(t);
name = &t->data[swf_GetTagPos(t)];
return name;
}
-void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num)
+/* used in enumerateUsedIDs */
+void swf_GetMorphGradient(TAG * tag, GRADIENT * gradient1, GRADIENT * gradient2)
+{
+ GRADIENT dummy1;
+ GRADIENT dummy2;
+ int t;
+ if(!gradient1)
+ gradient1 = &dummy1;
+ if(!gradient2)
+ gradient2 = &dummy2;
+ gradient1->num =
+ gradient2->num = swf_GetU8(tag);
+ for(t=0;t<gradient1->num;t++)
+ {
+ int s=t;
+ if(s>=8) //FIXME
+ s=7;
+ gradient1->ratios[t] = swf_GetU8(tag);
+ swf_GetRGBA(tag, &gradient1->rgba[t]);
+ gradient2->ratios[t] = swf_GetU8(tag);
+ swf_GetRGBA(tag, &gradient2->rgba[t]);
+ }
+}
+
+#define DEBUG_ENUMERATE if(0)
+
+static void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
{
U16 count;
int t;
type = swf_GetU8(tag); //type
if(type == 0) {
if(num == 3)
- swf_GetRGBA(tag, NULL);
+ {swf_GetRGBA(tag, NULL);if(morph) swf_GetRGBA(tag, NULL);}
else
- swf_GetRGB(tag, NULL);
+ {swf_GetRGB(tag, NULL);if(morph) swf_GetRGB(tag, NULL);}
}
else if(type == 0x10 || type == 0x12)
{
swf_ResetReadBits(tag);
swf_GetMatrix(tag, NULL);
+ if(morph)
+ swf_GetMatrix(tag, NULL);
swf_ResetReadBits(tag);
- swf_GetGradient(tag, NULL, /*alpha*/ num>=3?1:0);
+ if(morph)
+ swf_GetMorphGradient(tag, NULL, NULL);
+ else
+ swf_GetGradient(tag, NULL, /*alpha*/ num>=3?1:0);
}
else if(type == 0x40 || type == 0x41)
{
swf_GetU16(tag);
swf_ResetReadBits(tag);
swf_GetMatrix(tag, NULL);
+ if(morph)
+ swf_GetMatrix(tag, NULL);
}
else {
fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type);
for(t=0;t<count;t++)
{
swf_GetU16(tag);
+ if(morph)
+ swf_GetU16(tag);
if(num == 3)
- swf_GetRGBA(tag, NULL);
+ {swf_GetRGBA(tag, NULL);if(morph) swf_GetRGBA(tag, NULL);}
else
- swf_GetRGB(tag, NULL);
+ {swf_GetRGB(tag, NULL);if(morph) swf_GetRGB(tag, NULL);}
}
}
case ST_DEFINEBUTTONSOUND:
callback(tag, tag->pos + base, callback_data); //button id
break;
+
+ case ST_EXPORTASSETS: {
+ int num = swf_GetU16(tag);
+ int t;
+ for(t=0;t<num;t++) {
+ callback(tag, tag->pos + base, callback_data); //button id
+ swf_GetU16(tag); //id
+ while(swf_GetU8(tag)); //name
+ }
+ } break;
+
+ case ST_FREECHARACTER: /* unusual tags, which all start with an ID */
+ case ST_NAMECHARACTER:
+ case ST_GENERATORTEXT:
+ callback(tag, tag->pos + base, callback_data);
+ break;
case ST_PLACEOBJECT:
callback(tag, tag->pos + base, callback_data);
break;
break;
}
case ST_DEFINEFONTINFO:
+ case ST_DEFINEFONTINFO2:
+ case ST_VIDEOFRAME:
+ callback(tag, tag->pos + base, callback_data);
+ break;
+ case ST_DEFINEVIDEOSTREAM:
+ break;
+
+ case ST_DOINITACTION:
callback(tag, tag->pos + base, callback_data);
break;
- case ST_DEFINESHAPE3: // these thingies might have bitmap ids in their fillstyles
+ case ST_DEFINEMORPHSHAPE:
+ case ST_DEFINESHAPE3:
num++; //fallthrough
case ST_DEFINESHAPE2:
num++; //fallthrough
int fillbits;
int linebits;
int id;
+ int numshapes = 1;
+ int morph = 0;
+ if(tag->id == ST_DEFINEMORPHSHAPE) {
+ numshapes = 2;
+ morph = 1;
+ }
+
id = swf_GetU16(tag); // id;
swf_GetRect(tag, NULL); // bounds
+ if(morph) {
+ swf_ResetReadBits(tag);
+ swf_GetRect(tag, NULL); // bounds2
+ swf_GetU32(tag); //offset to endedges
+ }
+
+ DEBUG_ENUMERATE printf("Tag:%d Name:%s ID:%d\n", tag->id, swf_TagGetName(tag), id);
- enumerateUsedIDs_styles(tag, callback, callback_data, num);
- fillbits = swf_GetBits(tag, 4);
- linebits = swf_GetBits(tag, 4);
- swf_ResetReadBits(tag);
- while(1) {
- int flags;
- flags = swf_GetBits(tag, 1);
- if(!flags) { //style change
- flags = swf_GetBits(tag, 5);
- if(!flags)
- break;
- if(flags&1) { //move
- int n = swf_GetBits(tag, 5);
- swf_GetBits(tag, n); //x
- swf_GetBits(tag, n); //y
- }
- if(flags&2) { //fill0
- swf_GetBits(tag, fillbits);
- }
- if(flags&4) { //fill1
- swf_GetBits(tag, fillbits);
- }
- if(flags&8) { //linestyle
- swf_GetBits(tag, linebits);
- }
- if(flags&16) {
- enumerateUsedIDs_styles(tag, callback, callback_data, num);
- fillbits = swf_GetBits(tag, 4);
- linebits = swf_GetBits(tag, 4);
- }
- } else {
+ enumerateUsedIDs_styles(tag, callback, callback_data, num, morph);
+ DEBUG_ENUMERATE printf("-------\n");
+ while(--numshapes>=0) /* morph shapes define two shapes */
+ {
+ DEBUG_ENUMERATE printf("shape:%d\n", numshapes);
+ 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;
flags = swf_GetBits(tag, 1);
- 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
- } else {
- int v=swf_GetBits(tag, 1);
- swf_GetBits(tag, n); //vert/horz
+ if(!flags) { //style change
+ flags = swf_GetBits(tag, 5);
+ if(!flags)
+ break;
+ if(flags&1) { //move
+ int n = swf_GetBits(tag, 5);
+ 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
+ int fill0;
+ fill0 = swf_GetBits(tag, fillbits);
+ DEBUG_ENUMERATE printf("fill0 %d\n", fill0);
+ }
+ if(flags&4) { //fill1
+ int fill1;
+ fill1 = swf_GetBits(tag, fillbits);
+ DEBUG_ENUMERATE printf("fill1 %d\n", fill1);
+ }
+ if(flags&8) { //linestyle
+ 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, 0);
+ fillbits = swf_GetBits(tag, 4);
+ linebits = swf_GetBits(tag, 4);
+ }
+ } else {
+ flags = swf_GetBits(tag, 1);
+ if(flags) { //straight edge
+ int n = swf_GetBits(tag, 4) + 2;
+ if(swf_GetBits(tag, 1)) { //line flag
+ 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);
+ 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;
+ 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);
}
- } 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);
}
}
}
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;
+ }
+}
+
+void swf_RelocateDepth(SWF*swf, char*bitmap)
+{
+ TAG*tag;
+ int nr;
+ tag = swf->firstTag;
+ for(nr=65535;nr>=0;nr--) {
+ if(bitmap[nr] != 0)
+ break;
+ }
+ // now nr is the highest used depth. So we start
+ // assigning depths at nr+1
+ nr++;
+
+ while(tag)
+ {
+ int depth = swf_GetDepth(tag);
+ if(depth>=0) {
+ int newdepth = depth+nr;
+ if(newdepth>65535) {
+ fprintf(stderr, "Couldn't relocate depths: too large values\n");
+ newdepth = 65535;
+ }
+ swf_SetDepth(tag, newdepth);
+ }
+ tag=tag->next;
+ }
+}
+
git.asbjorn.biz / swftools.git / blobdiff