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
+#include "../rfxswf.h"
+
#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;
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);
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_DEFINESHAPE:
case ST_DEFINESHAPE2:
case ST_DEFINESHAPE3:
+ case ST_DEFINESHAPE4:
case ST_DEFINEMORPHSHAPE:
+ case ST_DEFINEMORPHSHAPE2:
case ST_DEFINEEDITTEXT:
case ST_DEFINEBITS:
case ST_DEFINEBITSJPEG2:
case ST_DEFINEBITSJPEG3:
case ST_DEFINEBITSLOSSLESS:
case ST_DEFINEBITSLOSSLESS2:
+ case ST_DEFINESCALINGGRID: //pseudodefine
case ST_DEFINEBUTTON:
case ST_DEFINEBUTTON2:
case ST_DEFINEBUTTONCXFORM: //pseudodefine
case ST_DEFINEBUTTONSOUND: //pseudodefine
+ case ST_CSMTEXTSETTINGS: //pseudodefine
case ST_DEFINEFONT:
case ST_DEFINEFONT2:
+ case ST_DEFINEFONT3:
case ST_DEFINEFONTINFO: //pseudodefine
+ case ST_DEFINEFONTINFO2: //pseudodefine
+ case ST_DEFINEFONTALIGNZONES: //pseudodefine
+ case ST_DEFINEFONTNAME: //pseudodefine
case ST_DEFINETEXT:
case ST_DEFINETEXT2:
case ST_DEFINESOUND:
case ST_DEFINESPRITE:
+ case ST_DEFINEMOVIE:
+ case ST_DEFINEVIDEOSTREAM:
+ case ST_GLYPHNAMES: //pseudodefine
+ case ST_VIDEOFRAME: //pseudodefine
case ST_NAMECHARACTER: //pseudodefine
+ case ST_DOINITACTION: //pseudodefine
id = swf_GetU16(t);
break;
+ default:
+ fprintf(stderr, "rfxswf: Error: tag %d (%s) has no id\n", t->id, swf_TagGetName(t));
}
swf_SetTagPos(t,oldTagPos);
return id;
}
+SRECT swf_GetDefineBBox(TAG * t)
+{
+ U32 oldTagPos;
+ U16 id = 0;
+ SRECT b1,b2;
+ memset(&b1, 0, sizeof(b1));
+
+ 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_DEFINESHAPE4:
+ case ST_DEFINEEDITTEXT:
+ 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;
U16 d = swf_GetU16(t);
id = (flags&PF_CHAR)?swf_GetU16(t):id;
} break;
+ case ST_PLACEOBJECT3:
+ { U8 flags = swf_GetU8(t);
+ U8 flags2 = swf_GetU8(t);
+ U16 d = swf_GetU16(t);
+ id = (flags&PF_CHAR)?swf_GetU16(t):id;
+ } break;
}
{ST_DEFINESHAPE,
ST_DEFINESHAPE2,
ST_DEFINESHAPE3,
+ ST_DEFINESHAPE4,
ST_DEFINEMORPHSHAPE,
+ ST_DEFINEMORPHSHAPE2,
ST_DEFINEFONT,
ST_DEFINEFONT2,
+ ST_DEFINEFONT3,
ST_DEFINETEXT,
ST_DEFINETEXT2,
ST_DEFINEEDITTEXT,
ST_DEFINEBUTTON,
ST_DEFINEBUTTON2,
ST_DEFINESOUND,
+ ST_DEFINEVIDEOSTREAM,
+ ST_DEFINEBINARY,
-1
};
{ST_SHOWFRAME,
ST_PLACEOBJECT,
ST_PLACEOBJECT2,
+ ST_PLACEOBJECT3,
ST_REMOVEOBJECT,
- ST_REMOVEOBJECT2, //?
+ ST_REMOVEOBJECT2,
ST_DOACTION,
+ ST_DOABC,
ST_STARTSOUND,
ST_FRAMELABEL,
ST_SOUNDSTREAMHEAD,
-1
};
+/* tags which add content or information to a character with a given ID */
static int swf_pseudodefiningtagids[] =
{
ST_DEFINEFONTINFO,
+ ST_DEFINEFONTINFO2,
+ ST_DEFINEFONTALIGNZONES,
+ ST_DEFINEFONTNAME,
ST_DEFINEBUTTONCXFORM,
ST_DEFINEBUTTONSOUND,
+ ST_DEFINESCALINGGRID,
+ ST_CSMTEXTSETTINGS,
ST_NAMECHARACTER,
+ ST_DOINITACTION,
+ ST_VIDEOFRAME,
+ ST_GLYPHNAMES,
-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_PLACEOBJECT3:
+ { U8 flags = swf_GetU8(t);
+ U8 flags2 = 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;
switch(swf_GetTagID(t))
{
case ST_FRAMELABEL:
- name = &t->data[swf_GetTagPos(t)];
+ name = (char*)&t->data[swf_GetTagPos(t)];
break;
+ case ST_PLACEOBJECT3:
case ST_PLACEOBJECT2: {
U8 flags = swf_GetU8(t);
+ if(t->id == ST_PLACEOBJECT3)
+ swf_GetU8(t);
swf_GetU16(t); //depth;
if(flags&PF_CHAR)
swf_GetU16(t); //id
swf_GetCXForm(t, &c, 1);
if(flags&PF_RATIO)
swf_GetU16(t);
+ if(flags&PF_CLIPDEPTH)
+ swf_GetU16(t);
if(flags&PF_NAME) {
swf_ResetReadBits(t);
- name = &t->data[swf_GetTagPos(t)];
+ name = (char*)&t->data[swf_GetTagPos(t)];
}
}
break;
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)
{
- U16 count;
int t;
- count = swf_GetU8(tag);
- if(count == 0xff && num>1) // defineshape2,3 only
- count = swf_GetU16(tag);
+ int num = swf_GetU8(tag) & 15;
+ if(gradient1) gradient1->num = num;
+ if(gradient2) gradient2->num = num;
+
+ if(gradient1) {
+ gradient1->num = num;
+ gradient1->rgba = (RGBA*)rfx_calloc(sizeof(RGBA)*gradient1->num);
+ gradient1->ratios = (U8*)rfx_calloc(sizeof(gradient1->ratios[0])*gradient1->num);
+ }
+ if(gradient2) {
+ gradient2->num = num;
+ gradient2->rgba = (RGBA*)rfx_calloc(sizeof(RGBA)*gradient2->num);
+ gradient2->ratios = (U8*)rfx_calloc(sizeof(gradient2->ratios[0])*gradient2->num);
+ }
+ for(t=0;t<num;t++)
+ {
+ U8 ratio;
+ RGBA color;
+
+ ratio = swf_GetU8(tag);
+ swf_GetRGBA(tag, &color);
+ if(gradient1) {
+ gradient1->ratios[t] = ratio;
+ gradient1->rgba[t] = color;
+ }
- for(t=0;t<count;t++)
+ ratio = swf_GetU8(tag);
+ swf_GetRGBA(tag, &color);
+ if(gradient2) {
+ gradient2->ratios[t] = ratio;
+ gradient2->rgba[t] = color;
+ }
+ }
+}
+
+#define DEBUG_ENUMERATE if(0)
+//#define DEBUG_ENUMERATE
+
+void enumerateUsedIDs_fillstyle(TAG * tag, int t, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
+{
+ int type;
+ type = swf_GetU8(tag); //type
+ DEBUG_ENUMERATE printf("fill style %d) type=%02x (tagpos=%d)\n", t, type, tag->pos);
+ if(type == 0) {
+ RGBA color;
+ if(num >= 3)
+ {swf_GetRGBA(tag, &color);if(morph) swf_GetRGBA(tag, NULL);}
+ else
+ {swf_GetRGB(tag, &color);if(morph) swf_GetRGB(tag, NULL);}
+ DEBUG_ENUMERATE printf(" %02x%02x%02x%02x\n", color.r,color.g,color.b,color.a);
+ }
+ else if(type == 0x10 || type == 0x12 || type == 0x13)
{
- int type;
- U8*pos;
swf_ResetReadBits(tag);
- type = swf_GetU8(tag); //type
- if(type == 0) {
- if(num == 3)
- swf_GetRGBA(tag, NULL);
- else
- swf_GetRGB(tag, NULL);
+ MATRIX m;
+ swf_GetMatrix(tag, &m);
+ DEBUG_ENUMERATE swf_DumpMatrix(stdout, &m);
+ if(morph) {
+ swf_GetMatrix(tag, &m);
+ DEBUG_ENUMERATE swf_DumpMatrix(stdout, &m);
}
- else if(type == 0x10 || type == 0x12)
- {
- swf_ResetReadBits(tag);
- swf_GetMatrix(tag, NULL);
- swf_ResetReadBits(tag);
- swf_GetGradient(tag, NULL, /*alpha*/ num>=3?1:0);
+ swf_ResetReadBits(tag);
+ if(morph) {
+ swf_GetMorphGradient(tag, NULL, NULL);
+ if(type == 0x13) {
+ swf_GetU16(tag);
+ swf_GetU16(tag);
+ }
+ } else {
+ GRADIENT g;
+ swf_GetGradient(tag, &g, /*alpha*/ num>=3?1:0);
+ DEBUG_ENUMERATE swf_DumpGradient(stdout, &g);
+ if(type == 0x13)
+ swf_GetU16(tag);
}
- else if(type == 0x40 || type == 0x41)
- {
- swf_ResetReadBits(tag);
- // we made it.
- if(tag->data[tag->pos] != 0xff ||
- tag->data[tag->pos+1] != 0xff)
- (callback)(tag, tag->pos, callback_data);
+ }
+ else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43)
+ {
+ swf_ResetReadBits(tag);
+ if(tag->data[tag->pos] != 0xff ||
+ tag->data[tag->pos+1] != 0xff)
+ (callback)(tag, tag->pos, callback_data);
- swf_GetU16(tag);
- swf_ResetReadBits(tag);
+ 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 in tag %02d\n",type, tag->id);
+ }
+}
+
+void enumerateUsedIDs_linestyle(TAG * tag, int t, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
+{
+ U16 width;
+ RGBA color;
+ width = swf_GetU16(tag);
+ char fill=0;
+ if(morph)
+ swf_GetU16(tag);
+ if(num >= 4) {
+ U16 flags = swf_GetU16(tag);
+ DEBUG_ENUMERATE printf("line style %d) flags: %08x\n", t, flags);
+ if((flags & 0x30) == 0x20) {
+ U16 miter = swf_GetU16(tag); // miter limit
+ DEBUG_ENUMERATE printf("line style %d) miter join: %08x\n", t, miter);
}
- else {
- fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type);
+ if(flags & 0x08) {
+ fill = 1;
}
}
+ if(!fill) {
+ if(num >= 3)
+ {swf_GetRGBA(tag, &color);if(morph) swf_GetRGBA(tag, NULL);}
+ else
+ {swf_GetRGB(tag, &color);if(morph) swf_GetRGB(tag, NULL);}
+ } else {
+ enumerateUsedIDs_fillstyle(tag, t, callback, callback_data, num, morph);
+ }
+ DEBUG_ENUMERATE printf("line style %d) width=%.2f color=%02x%02x%02x%02x \n", t, width/20.0, color.r,color.g,color.b,color.a);
+}
+
+void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
+{
+ U16 count;
+ int t;
+ count = swf_GetU8(tag);
+ if(count == 0xff && num>1) // defineshape2,3,4 only
+ count = swf_GetU16(tag);
+
+ DEBUG_ENUMERATE printf("%d fill styles\n", count);
+ for(t=0;t<count;t++)
+ {
+ enumerateUsedIDs_fillstyle(tag, t, callback, callback_data, num, morph);
+ }
swf_ResetReadBits(tag);
count = swf_GetU8(tag); // line style array
if(count == 0xff)
count = swf_GetU16(tag);
+ DEBUG_ENUMERATE printf("%d line styles\n", count);
for(t=0;t<count;t++)
{
- swf_GetU16(tag);
- if(num == 3)
- swf_GetRGBA(tag, NULL);
- else
- swf_GetRGB(tag, NULL);
+ enumerateUsedIDs_linestyle(tag, t, callback, callback_data, num, morph);
}
}
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++) {
}
}
} break;
- case ST_DEFINEBUTTONSOUND:
+ case ST_DEFINEBUTTONCXFORM:
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_IMPORTASSETS:
+ case ST_IMPORTASSETS2: {
+ swf_GetString(tag); //count
+ swf_GetU8(tag); //reserved
+ swf_GetU8(tag); //reserved
+ int num = swf_GetU16(tag); //url
+ 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_DEFINEBINARY:
+ case ST_DEFINEFONTNAME:
+ case ST_GENERATORTEXT:
+ callback(tag, tag->pos + base, callback_data);
+ break;
case ST_PLACEOBJECT:
callback(tag, tag->pos + base, callback_data);
break;
break;
callback(tag, 3 + base, callback_data);
break;
+ case ST_PLACEOBJECT3:
+ // only if placeflaghascharacter
+ if(!(tag->data[0]&2))
+ break;
+ callback(tag, 4 + base, callback_data);
+ break;
case ST_REMOVEOBJECT:
callback(tag, tag->pos + base, callback_data);
break;
if(id == ST_END)
break;
tag2->len = tag2->memsize = len;
- tag2->data = malloc(len);
+ tag2->data = (U8*)rfx_alloc(len);
memcpy(tag2->data, &tag->data[tag->pos], len);
/* I never saw recursive sprites, but they are (theoretically)
possible, so better add base here again */
enumerateUsedIDs(tag2, tag->pos + base, callback, callback_data);
- swf_DeleteTag(tag2);
+ swf_DeleteTag(0, tag2);
swf_GetBlock(tag, NULL, len);
}
}
}
while(1)
{
- U16 charid;
- if(!swf_GetU8(tag)) //flags
+ U8 flags = swf_GetU8(tag);
+ if(!flags) //flags
break;
callback(tag, tag->pos + base, callback_data);
swf_GetU16(tag); //char
swf_ResetReadBits(tag);
swf_GetCXForm(tag, NULL, 1);
}
+ if(flags&0x10) {
+ U8 num = swf_GetU8(tag);
+ int t;
+ for(t=0;t<num;t++) {
+ swf_DeleteFilter(swf_GetFilter(tag));
+ }
+ }
+ if(flags&0x20) {
+ U8 blendmode = swf_GetU8(tag);
+ }
}
// ...
}
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;
}
+ case ST_DEFINEFONTALIGNZONES:
+ case ST_DEFINESCALINGGRID:
+ case ST_GLYPHNAMES:
+ case ST_CSMTEXTSETTINGS:
case ST_DEFINEFONTINFO:
+ case ST_DEFINEFONTINFO2:
+ case ST_VIDEOFRAME:
callback(tag, tag->pos + base, callback_data);
break;
+ case ST_DEFINEVIDEOSTREAM:
+ break;
- case ST_DEFINESHAPE3: // these thingies might have bitmap ids in their fillstyles
+ case ST_DOINITACTION:
+ callback(tag, tag->pos + base, callback_data);
+ break;
+
+ case ST_DEFINEMORPHSHAPE2:
+ case ST_DEFINESHAPE4:
+ num++;
+ 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 || tag->id==ST_DEFINEMORPHSHAPE2) {
+ numshapes = 2;
+ morph = 1;
+ }
+
id = swf_GetU16(tag); // id;
- swf_GetRect(tag, NULL); // bounds
+ SRECT r={0,0,0,0},r2={0,0,0,0};
+ swf_GetRect(tag, &r); // shape bounds
+ if(morph) {
+ swf_ResetReadBits(tag);
+ swf_GetRect(tag, NULL); // shape bounds2
+ if(num>=4) {
+ swf_ResetReadBits(tag);
+ swf_GetRect(tag, NULL); // edge bounds1
+ }
+ }
+ if(num>=4) {
+ swf_ResetReadBits(tag);
+ swf_GetRect(tag, &r2); // edge bounds
+ U8 flags = swf_GetU8(tag); // flags, &1: contains scaling stroke, &2: contains non-scaling stroke
+ DEBUG_ENUMERATE printf("flags: %02x (1=scaling strokes, 2=non-scaling strokes)\n", flags);
+ }
+ if(morph) {
+ swf_GetU32(tag); //offset to endedges
+ }
+
+ DEBUG_ENUMERATE printf("Tag:%d Name:%s ID:%d\n", tag->id, swf_TagGetName(tag), id);
+ DEBUG_ENUMERATE printf("BBox %.2f %.2f %.2f %.2f\n", r.xmin/20.0,r.ymin/20.0,r.xmax/20.0,r.ymax/20.0);
+ DEBUG_ENUMERATE printf("BBox %.2f %.2f %.2f %.2f\n", r2.xmin/20.0,r2.ymin/20.0,r2.xmax/20.0,r2.ymax/20.0);
- enumerateUsedIDs_styles(tag, callback, callback_data, num);
- fillbits = swf_GetBits(tag, 4);
- linebits = swf_GetBits(tag, 4);
+ DEBUG_ENUMERATE printf("style tag pos: %d\n", tag->pos);
+ enumerateUsedIDs_styles(tag, callback, callback_data, num, morph);
+ DEBUG_ENUMERATE printf("-------\n");
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 {
+ 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("fillbits=%d linebits=%d\n", fillbits, linebits);
+ swf_ResetReadBits(tag);
+ int x=0,y=0;
+ 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);
+ x = swf_GetBits(tag, n); //x
+ y = swf_GetBits(tag, n); //y
+ DEBUG_ENUMERATE printf("moveTo %.2f %.2f\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
+ x += swf_GetSBits(tag, n); //delta x
+ y += swf_GetSBits(tag, n); //delta y
+ DEBUG_ENUMERATE printf("lineTo %.2f %.2f\n",x/20.0,y/20.0);
+ } else {
+ int v=swf_GetBits(tag, 1);
+ int d;
+ d = swf_GetSBits(tag, n); //vert/horz
+ if(!v)
+ x += d;
+ else
+ y += d;
+ DEBUG_ENUMERATE printf("lineTo %.2f %.2f (%s)\n",x/20.0,y/20.0, v?"vertical":"horizontal");
+ }
+ } 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("splineTo %.2f %.2f %.2f %.2f\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);
+ if(num) {
+ ptr = (int*)rfx_alloc(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 (%d) never encountered before in %s\n", id,
+ swf_TagGetName(tag));
+ } else {
+ id = slaveids[id];
+ PUT16(&tag->data[ptr[t]], id);
+ }
+ }
+ }
+ tag=tag->next;
+ }
+}
+
+/* untested */
+void swf_Relocate2(SWF*swf, int*id2id)
+{
+ TAG*tag;
+ tag = swf->firstTag;
+ while(tag) {
+ if(swf_isDefiningTag(tag)) {
+ int id = swf_GetDefineID(tag);
+ id = id2id[id];
+ if(id>=0) {
+ swf_SetDefineID(tag, id);
+ }
+ }
+ int num = swf_GetNumUsedIDs(tag);
+ if(num) {
+ int *ptr;
+ int t;
+ ptr = (int*)rfx_alloc(sizeof(int)*num);
+ swf_GetUsedIDs(tag, ptr);
+ for(t=0;t<num;t++) {
+ int id = GET16(&tag->data[ptr[t]]);
+ id = id2id[id];
+ if(id>=0) {
+ PUT16(&tag->data[ptr[t]], id);
+ }
+ }
+ }
+ }
+}
+
+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;
+ /* TODO * clip depths
+ * sprites
+ */
+ 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) {
+ fprintf(stderr, "Couldn't relocate depths: too large values\n");
+ newdepth = 65535;
+ }
+ swf_SetDepth(tag, newdepth);
+ }
+ tag=tag->next;
+ }
+}
+
+U8 swf_isShapeTag(TAG*tag)
+{
+ if(tag->id == ST_DEFINESHAPE ||
+ tag->id == ST_DEFINESHAPE2 ||
+ tag->id == ST_DEFINESHAPE3 ||
+ tag->id == ST_DEFINESHAPE4)
+ return 1;
+ return 0;
+}
+
+U8 swf_isPlaceTag(TAG*tag)
+{
+ if(tag->id == ST_PLACEOBJECT ||
+ tag->id == ST_PLACEOBJECT2 ||
+ tag->id == ST_PLACEOBJECT3)
+ 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)
+{
+ if(tag->id == ST_DEFINEBITSJPEG ||
+ tag->id == ST_DEFINEBITSJPEG2 ||
+ tag->id == ST_DEFINEBITSJPEG3 ||
+ tag->id == ST_DEFINEBITSLOSSLESS ||
+ tag->id == ST_DEFINEBITSLOSSLESS2)
+ return 1;
+ return 0;
+}
+
+TAG* swf_Concatenate (TAG*list1,TAG*list2)
+{
+ TAG*tag=0,*lasttag=0;
+ char bitmap[65536];
+ char depthmap[65536];
+ SWF swf1,swf2;
+ memset(bitmap, 0, sizeof(bitmap));
+ memset(depthmap, 0, sizeof(depthmap));
+ memset(&swf1, 0, sizeof(swf1));
+ memset(&swf2, 0, sizeof(swf2));
+
+ swf1.firstTag = list1;
+ swf_FoldAll(&swf1);
+ swf2.firstTag = list2;
+ swf_FoldAll(&swf2);
+
+ tag = list1;
+ while(tag) {
+ if(!swf_isDefiningTag(tag)) {
+ int id = swf_GetDefineID(tag);
+ bitmap[id] = 1;
+ }
+ if(tag->id == ST_PLACEOBJECT ||
+ tag->id == ST_PLACEOBJECT2) {
+ int depth = swf_GetDepth(tag);
+ depthmap[depth] = 1;
+ }
+ if(tag->id == ST_REMOVEOBJECT ||
+ tag->id == ST_REMOVEOBJECT2) {
+ int depth = swf_GetDepth(tag);
+ depthmap[depth] = 0;
+ }
+ tag = tag->next;
+ lasttag = tag;
+ }
+ swf_Relocate(&swf2, bitmap);
+ swf_RelocateDepth(&swf2, depthmap);
+ lasttag->next = swf2.firstTag;
+ swf2.firstTag->prev = lasttag;
+
+ return swf1.firstTag;
+}
+
+static int tagHash(TAG*tag)
+{
+ int t, h=0;
+ unsigned int a = 0x6b973e5a;
+ /* start at pos 2, as 0 and 1 are the id */
+ for(t=2;t<tag->len;t++) {
+ unsigned int b = a;
+ a >>= 8;
+ a += tag->data[t]*0xefbc35a5*b*(t+1);
+ }
+ return a&0x7fffffff; //always return positive number
+}
+
+void swf_Optimize(SWF*swf)
+{
+ const int hash_size = 131072;
+ char* dontremap = (char*)rfx_calloc(sizeof(char)*65536);
+ U16* remap = (U16*)rfx_alloc(sizeof(U16)*65536);
+ TAG* id2tag = (TAG*)rfx_calloc(sizeof(TAG*)*65536);
+ TAG** hashmap = (TAG**)rfx_calloc(sizeof(TAG*)*hash_size);
+ TAG* tag;
+ int t;
+ for(t=0;t<65536;t++) {
+ remap[t] = t;
+ }
+
+ swf_FoldAll(swf);
+
+ tag = swf->firstTag;
+ while(tag) {
+ /* make sure we don't remap to this tag,
+ as it might have different "helper tags"
+ FIXME: a better way would be to compare
+ the helper tags, too.
+ */
+ if(swf_isPseudoDefiningTag(tag) &&
+ tag->id != ST_NAMECHARACTER) {
+ dontremap[swf_GetDefineID(tag)] = 1;
+ }
+ tag=tag->next;
+ }
+ tag = swf->firstTag;
+ while(tag) {
+ TAG*next = tag->next;
+
+ /* remap the tag */
+ int num = swf_GetNumUsedIDs(tag);
+ int*positions = (int*)rfx_alloc(sizeof(int)*num);
+ int t;
+ swf_GetUsedIDs(tag, positions);
+ for(t=0;t<num;t++) {
+ int id = GET16(&tag->data[positions[t]]);
+ id = remap[id];
+ PUT16(&tag->data[positions[t]], id);
+ }
+ rfx_free(positions);
+
+ /* now look for previous tags with the same
+ content */
+ if(swf_isDefiningTag(tag)) {
+ TAG*tag2;
+ int id = swf_GetDefineID(tag);
+ int hash = tagHash(tag);
+ int match=0;
+ if(!dontremap[id])
+ while((tag2 = hashmap[hash%hash_size])) {
+ if(tag2 != (TAG*)0 && tag->len == tag2->len) {
+ if(memcmp(&tag->data[2],&tag2->data[2],tag->len-2) == 0) {
+ match = 1;
+ break;
+ }
+ }
+ hash++;
+ }
+ if(!match) {
+ while(hashmap[hash%hash_size]) hash++;
+ hashmap[hash%hash_size] = tag;
+ } else {
+ /* we found two identical tags- remap one
+ of them */
+ remap[id] = swf_GetDefineID(tag2);
+ swf_DeleteTag(swf, tag);
+ }
+ } else if(swf_isPseudoDefiningTag(tag)) {
+ int id = swf_GetDefineID(tag);
+ if(remap[id]!=id) {
+ /* if this tag was remapped, we don't
+ need the helper tag anymore. Discard
+ it. */
+ swf_DeleteTag(swf, tag);
+ }
+ }
+
+ tag = next;
+ }
+
+ rfx_free(dontremap);
+ rfx_free(remap);
+ rfx_free(id2tag);
+ rfx_free(hashmap);
+}
+
+void swf_SetDefineBBox(TAG * tag, SRECT newbbox)
+{
+ U16 id = 0;
+ SRECT b1;
+ swf_SetTagPos(tag,0);
+
+ switch (swf_GetTagID(tag))
+ {
+ case ST_DEFINESHAPE:
+ case ST_DEFINESHAPE2:
+ case ST_DEFINESHAPE3:
+ case ST_DEFINEEDITTEXT:
+ case ST_DEFINETEXT:
+ case ST_DEFINETEXT2:
+ case ST_DEFINEVIDEOSTREAM: {
+ U32 after_bbox_offset = 0, len;
+ U8*data;
+ id = swf_GetU16(tag);
+ swf_GetRect(tag, &b1);
+ swf_ResetReadBits(tag);
+ after_bbox_offset = tag->pos;
+ len = tag->len - after_bbox_offset;
+ data = (U8*)malloc(len);
+ memcpy(data, &tag->data[after_bbox_offset], len);
+ tag->writeBit = 0;
+ tag->len = 2;
+ swf_SetRect(tag, &newbbox);
+ swf_SetBlock(tag, data, len);
+ free(data);
+ tag->pos = tag->readBit = 0;
+
+ } break;
+ default:
+ fprintf(stderr, "rfxswf: Tag %d (%s) has no bbox\n", tag->id, swf_TagGetName(tag));
+ }
+}
+
+RGBA swf_GetSWFBackgroundColor(SWF*swf)
+{
+ TAG*t=swf->firstTag;
+ RGBA color;
+ color.r = color.b = color.g = 0;
+ color.a = 255;
+ while(t) {
+ if(t->id == ST_SETBACKGROUNDCOLOR) {
+ swf_SetTagPos(t, 0);
+ color.r = swf_GetU8(t);
+ color.g = swf_GetU8(t);
+ color.b = swf_GetU8(t);
+ break;
+ }
+ t=t->next;
+ }
+ return color;
+}
+