X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswftools.c;h=83f8c6a2d9d92a4094b13cfad18a530c7614f718;hb=0784a8a882e7b98299fb6a90f0f9a7ebb322562b;hp=0af2cbd3cd15270a689e299341478baeedef76b2;hpb=d193d733dfa41679452284e4e60e7237ac721cba;p=swftools.git diff --git a/lib/modules/swftools.c b/lib/modules/swftools.c index 0af2cbd..83f8c6a 100644 --- a/lib/modules/swftools.c +++ b/lib/modules/swftools.c @@ -7,17 +7,29 @@ Copyright (c) 2000, 2001 Rainer Böhme - 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 #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; @@ -32,13 +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); @@ -85,6 +98,7 @@ U16 swf_GetDefineID(TAG * t) { case ST_DEFINESHAPE: case ST_DEFINESHAPE2: case ST_DEFINESHAPE3: + case ST_DEFINESHAPE4: case ST_DEFINEMORPHSHAPE: case ST_DEFINEEDITTEXT: case ST_DEFINEBITS: @@ -92,22 +106,33 @@ U16 swf_GetDefineID(TAG * t) 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); @@ -120,6 +145,7 @@ 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); @@ -130,9 +156,8 @@ SRECT swf_GetDefineBBox(TAG * t) { case ST_DEFINESHAPE: case ST_DEFINESHAPE2: case ST_DEFINESHAPE3: + case ST_DEFINESHAPE4: case ST_DEFINEEDITTEXT: - case ST_DEFINEBUTTON: - case ST_DEFINEBUTTON2: case ST_DEFINETEXT: case ST_DEFINETEXT2: case ST_DEFINEVIDEOSTREAM: @@ -180,6 +205,12 @@ U16 swf_GetPlaceID(TAG * t) 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; } @@ -192,9 +223,11 @@ static int swf_definingtagids[] = {ST_DEFINESHAPE, ST_DEFINESHAPE2, ST_DEFINESHAPE3, + ST_DEFINESHAPE4, ST_DEFINEMORPHSHAPE, ST_DEFINEFONT, ST_DEFINEFONT2, + ST_DEFINEFONT3, ST_DEFINETEXT, ST_DEFINETEXT2, ST_DEFINEEDITTEXT, @@ -209,6 +242,7 @@ static int swf_definingtagids[] = ST_DEFINEBUTTON2, ST_DEFINESOUND, ST_DEFINEVIDEOSTREAM, + ST_DEFINEBINARY, -1 }; @@ -217,9 +251,11 @@ static int swf_spritetagids[] = {ST_SHOWFRAME, ST_PLACEOBJECT, ST_PLACEOBJECT2, + ST_PLACEOBJECT3, ST_REMOVEOBJECT, - ST_REMOVEOBJECT2, //? + ST_REMOVEOBJECT2, ST_DOACTION, + ST_DOABC, ST_STARTSOUND, ST_FRAMELABEL, ST_SOUNDSTREAMHEAD, @@ -229,14 +265,21 @@ static int swf_spritetagids[] = -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 }; @@ -279,10 +322,9 @@ U8 swf_isPseudoDefiningTag(TAG * tag) 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); @@ -300,11 +342,41 @@ U16 swf_GetDepth(TAG * t) { 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; @@ -316,10 +388,13 @@ char* swf_GetName(TAG * t) 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 @@ -329,11 +404,11 @@ char* swf_GetName(TAG * t) swf_GetCXForm(t, &c, 1); if(flags&PF_RATIO) swf_GetU16(t); - if(flags&PF_CLIPACTION) + 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; @@ -345,65 +420,87 @@ char* swf_GetName(TAG * t) /* 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;tnum;t++) + 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=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]); + U8 ratio; + RGBA color; + + ratio = swf_GetU8(tag); + swf_GetRGBA(tag, &color); + if(gradient1) { + gradient1->ratios[t] = ratio; + gradient1->rgba[t] = color; + } + + 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 -static void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph) +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 only + if(count == 0xff && num>1) // defineshape2,3,4 only count = swf_GetU16(tag); + DEBUG_ENUMERATE printf("%d fill styles\n", count); for(t=0;tpos); if(type == 0) { - if(num == 3) + if(num >= 3) {swf_GetRGBA(tag, NULL);if(morph) swf_GetRGBA(tag, NULL);} else {swf_GetRGB(tag, NULL);if(morph) swf_GetRGB(tag, NULL);} } - else if(type == 0x10 || type == 0x12) + else if(type == 0x10 || type == 0x12 || type == 0x13) { swf_ResetReadBits(tag); - swf_GetMatrix(tag, NULL); + MATRIX m; + swf_GetMatrix(tag, &m); + DEBUG_ENUMERATE swf_DumpMatrix(stdout, &m); if(morph) swf_GetMatrix(tag, NULL); swf_ResetReadBits(tag); if(morph) swf_GetMorphGradient(tag, NULL, NULL); - else - swf_GetGradient(tag, NULL, /*alpha*/ num>=3?1:0); + 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) + else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43) { swf_ResetReadBits(tag); - // we made it. if(tag->data[tag->pos] != 0xff || tag->data[tag->pos+1] != 0xff) (callback)(tag, tag->pos, callback_data); @@ -415,22 +512,34 @@ static void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void* swf_GetMatrix(tag, NULL); } else { - fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type); + fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x in tag %02x\n",type, tag->id); } } 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= 4) { + U16 flags = swf_GetU16(tag); + if(flags & 0x2000) + swf_GetU16(tag); // miter limit + if(flags & 0x0800) { + fprintf(stderr, "Filled strokes parsing not yet supported\n"); + } + } + if(num >= 3) + {swf_GetRGBA(tag, &color);if(morph) swf_GetRGBA(tag, NULL);} else - {swf_GetRGB(tag, NULL);if(morph) swf_GetRGB(tag, NULL);} + {swf_GetRGB(tag, &color);if(morph) swf_GetRGB(tag, NULL);} + DEBUG_ENUMERATE printf("line style %d: %02x%02x%02x%02x \n", t, color.r,color.g,color.b,color.a); } } @@ -441,7 +550,7 @@ 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++) { @@ -468,7 +577,7 @@ 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; @@ -482,8 +591,24 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v } } 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;tpos + 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; @@ -496,6 +621,12 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v 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; @@ -520,7 +651,7 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v 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 */ @@ -543,7 +674,6 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v } while(1) { - U16 charid; if(!swf_GetU8(tag)) //flags break; callback(tag, tag->pos + base, callback_data); @@ -584,43 +714,47 @@ 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;tpos + base, callback_data); break; + case ST_DEFINEMORPHSHAPE2: + case ST_DEFINESHAPE4: + num++; case ST_DEFINEMORPHSHAPE: case ST_DEFINESHAPE3: num++; //fallthrough @@ -644,29 +781,46 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v int id; int numshapes = 1; int morph = 0; - if(tag->id == ST_DEFINEMORPHSHAPE) { + 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); // bounds2 + 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); + 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(--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); + DEBUG_ENUMERATE printf("fillbits=%d linebits=%d\n", fillbits, linebits); swf_ResetReadBits(tag); while(1) { int flags; @@ -803,19 +957,351 @@ void swf_Relocate (SWF*swf, char*bitmap) } num = swf_GetNumUsedIDs(tag); - ptr = malloc(sizeof(int)*num); - swf_GetUsedIDs(tag, ptr); - - for(t=0;tdata[ptr[t]]); - if(slaveids[id]<0) { - fprintf(stderr, "swf_Relocate: Mapping id never encountered before: %d\n", id); - return ; + if(num) { + ptr = (int*)rfx_alloc(sizeof(int)*num); + swf_GetUsedIDs(tag, ptr); + + for(t=0;tdata[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); + } } - 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;tdata[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;tlen;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;tdata[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(tag); + if(tag == swf->firstTag) + swf->firstTag = next; + } + } 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(tag); + if(tag == swf->firstTag) + swf->firstTag = next; + } + } + + 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; +} +