void outputTrailer (struct Movie *m) { SWFOutput out; out=newSizedSWFOutput(30); SWFOutput_writeUInt8(out,'F'); SWFOutput_writeUInt8(out,'W'); SWFOutput_writeUInt8(out,'S'); SWFOutput_writeUInt8(out,4); SWFOutput_writeUInt32(out,SWFOutput_getLength(swfout)+23 /*size of header*/); SWFOutput_writeBits(out,15,5); SWFOutput_writeSBits(out,m->frame.xMin,15); SWFOutput_writeSBits(out,m->frame.xMax,15); SWFOutput_writeSBits(out,m->frame.yMin,15); SWFOutput_writeSBits(out,m->frame.yMax,15); SWFOutput_byteAlign(out); SWFOutput_writeUInt16(out,m->rate); SWFOutput_writeUInt16(out,m->nFrames); /* Add the SWF_END tag */ SWFOutput_writeUInt16(swfout,0); SWFOutput_writeToMethod(out,fileOutputMethod,stdout); SWFOutput_writeToMethod(swfout,fileOutputMethod,stdout); destroySWFOutput(swfout); destroySWFOutput(out); }
static void writeActions(SWFPlaceObject2Block place) { int i; SWFBlock block = BLOCK(place); if ( place->nActions > 0 ) { SWFOutput_writeUInt16(place->out, 0); if(block->swfVersion >= 6) SWFOutput_writeUInt32(place->out, place->actionORFlags); else SWFOutput_writeUInt16(place->out, place->actionORFlags); for ( i=0; i<place->nActions; ++i ) { int length; SWFAction_compile(place->actions[i], block->swfVersion, &length); if(block->swfVersion >= 6) SWFOutput_writeUInt32(place->out, place->actionFlags[i]); else SWFOutput_writeUInt16(place->out, place->actionFlags[i]); /* SWF6: extra char if(place->actionFlags[i] & 0x20000) */ if((block->swfVersion >= 6) && (place->actionFlags[i] & 0x20000)) { SWFOutput_writeUInt32(place->out, length + 1); SWFOutput_writeUInt8(place->out, 0); } else SWFOutput_writeUInt32(place->out, length); SWFOutput_writeAction(place->out, place->actions[i]); } /* trailing 0 for end of actions */ if(block->swfVersion >= 6) SWFOutput_writeUInt32(place->out, 0); else SWFOutput_writeUInt16(place->out, 0); } }
SWFOutput outputSWF_DEFINEFONT2 (SWF_Parserstruct * pblock) { SWFOutput hdr0,hdr1,offsettbl,*glyphdata; int i,size, glyphbase; OUT_BEGIN (SWF_DEFINEFONT2); glyphdata = calloc(sblock->NumGlyphs,sizeof(SWFOutput *)); size=0; for (i = 0; i < sblock->NumGlyphs; i++) { glyphdata[i] = outputswfSWF_SHAPE (&(sblock->GlyphShapeTable[i])); size+= SWFOutput_getLength(glyphdata[i]); } if( size > 0xffff ) sblock->FontFlagsWideOffsets=1; if (sblock->FontFlagsWideOffsets) { glyphbase=(sblock->NumGlyphs*4)+4; sblock->CodeTableOffset.UI32=glyphbase; sblock->OffsetTable.UI32[0]=glyphbase; } else { glyphbase=(sblock->NumGlyphs*2)+2; sblock->CodeTableOffset.UI16=glyphbase; sblock->OffsetTable.UI16[0]=glyphbase; } for (i = 0; i < sblock->NumGlyphs; i++) { if (sblock->FontFlagsWideOffsets) { sblock->OffsetTable.UI32[i]=sblock->CodeTableOffset.UI32; sblock->CodeTableOffset.UI32=sblock->OffsetTable.UI32[i]+SWFOutput_getLength(glyphdata[i]); } else { sblock->OffsetTable.UI16[i]=sblock->CodeTableOffset.UI16; sblock->CodeTableOffset.UI16=sblock->OffsetTable.UI16[i]+SWFOutput_getLength(glyphdata[i]); } } offsettbl=newSWFOutput(); for (i = 0; i < sblock->NumGlyphs; i++) { if (sblock->FontFlagsWideOffsets) { SWFOutput_writeUInt32(offsettbl,sblock->OffsetTable.UI32[i]); } else { SWFOutput_writeUInt16(offsettbl,sblock->OffsetTable.UI16[i]); } } /* Now that we have the glyph data, and it's offset, we can start assembling this block */ size= 5 /* Initial header through FontNameLen */ +(sblock->FontNameLen) /* FontName */ +2; /* NumGlyphs */ hdr1=newSizedSWFOutput(size); SWFOutput_writeUInt16(hdr1,sblock->FontID); SWFOutput_writeBits(hdr1,sblock->FontFlagsHasLayout,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsShiftJis,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsSmallText,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsFlagANSI,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsWideOffsets,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsWideCodes,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsFlagsItalics,1); SWFOutput_writeBits(hdr1,sblock->FontFlagsFlagsBold,1); SWFOutput_writeUInt8(hdr1,sblock->LanguageCode); SWFOutput_writeUInt8(hdr1,sblock->FontNameLen); SWFOutput_writeBuffer(hdr1,(unsigned char *)sblock->FontName,sblock->FontNameLen); SWFOutput_writeUInt16(hdr1,sblock->NumGlyphs); /* Now, copy these parts into the hdr buffer */ SWFOutput_writeToMethod(offsettbl,SWFOutputMethod,hdr1); destroySWFOutput(offsettbl); if (sblock->FontFlagsWideOffsets) { SWFOutput_writeUInt32(hdr1,sblock->CodeTableOffset.UI32); } else { SWFOutput_writeUInt16(hdr1,sblock->CodeTableOffset.UI16); } for (i = 0; i < sblock->NumGlyphs; i++) { SWFOutput_writeToMethod(glyphdata[i],SWFOutputMethod,hdr1); destroySWFOutput(glyphdata[i]); } free(glyphdata); /* Now, resume the normal linear processing this tag */ for (i = 0; i < sblock->NumGlyphs; i++) { if( sblock->FontFlagsWideCodes ) { SWFOutput_writeUInt16(hdr1,sblock->CodeTable[i]); } else { SWFOutput_writeUInt8(hdr1,sblock->CodeTable[i]); } } if( sblock->FontFlagsHasLayout ) { SWFOutput_writeSInt16(hdr1,sblock->FontAscent); SWFOutput_writeSInt16(hdr1,sblock->FontDecent); SWFOutput_writeSInt16(hdr1,sblock->FontLeading); for (i = 0; i < sblock->NumGlyphs; i++) { SWFOutput_writeSInt16(hdr1,sblock->FontAdvanceTable[i]); } for (i = 0; i < sblock->NumGlyphs; i++) { outputswfSWF_RECT (hdr1,&(sblock->FontBoundsTable[i])); SWFOutput_byteAlign(hdr1); } SWFOutput_writeUInt16(hdr1,sblock->KerningCount); for (i = 0; i < sblock->KerningCount; i++) { if( sblock->FontFlagsWideCodes ) { SWFOutput_writeUInt16(hdr1,sblock->FontKerningTable[i].FontKerningCode1); SWFOutput_writeUInt16(hdr1,sblock->FontKerningTable[i].FontKerningCode2); SWFOutput_writeSInt16(hdr1,sblock->FontKerningTable[i].FontKerningAdjustment); } else { SWFOutput_writeUInt8(hdr1,sblock->FontKerningTable[i].FontKerningCode1); SWFOutput_writeUInt8(hdr1,sblock->FontKerningTable[i].FontKerningCode2); SWFOutput_writeSInt16(hdr1,sblock->FontKerningTable[i].FontKerningAdjustment); } } } /* This code really belongs in outputTAGHeader() */ hdr0=newSizedSWFOutput(6); if(SWFOutput_getLength(hdr1) <= 62 ) { fprintf(stderr,"TAG %x\n",(SWF_DEFINEFONT2<<6)|SWFOutput_getLength(hdr1)); SWFOutput_writeUInt16(hdr0,(SWF_DEFINEFONT2<<6)|SWFOutput_getLength(hdr1)); } else { SWFOutput_writeUInt16(hdr0,(SWF_DEFINEFONT2<<6)|0x3f); SWFOutput_writeUInt32(hdr0,SWFOutput_getLength(hdr1)); } SWFOutput_writeToMethod(hdr1,SWFOutputMethod,hdr0); destroySWFOutput(hdr1); return hdr0; }
SWFOutput SWFMovie_toOutput(SWFMovie movie, int level) { int swflength; #if USE_ZLIB int status; #endif SWFOutput header, tempbuffer=0, buffer, swfbuffer; SWFBlock lastBlock; unsigned long compresslength; if ( movie->nExports > 0 ) SWFMovie_writeExports(movie); if ( movie->metadata != NULL) { SWFMovie_addBlock(movie, (SWFBlock)movie->metadata); movie->metadata = NULL; // do not destroy with movie if added as block } /* Add a terminating SHOWFRAME tag if not already there */ lastBlock = SWFBlockList_getLastBlock(movie->blockList); if ( ! lastBlock || SWFBlock_getType(lastBlock) != SWF_SHOWFRAME ) { SWFMovie_nextFrame(movie); } while ( movie->nFrames < movie->totalFrames ) SWFMovie_nextFrame(movie); if(movie->symbolClass) SWFMovie_addBlock(movie, (SWFBlock)movie->symbolClass); if(movie->sceneData) SWFMovie_addBlock(movie, (SWFBlock)movie->sceneData); SWFMovie_addBlock(movie, newSWFEndBlock()); // add five for the setbackground block.. swflength = SWFBlockList_completeBlocks(movie->blockList, movie->version); /* XXX - hack */ SWFDisplayList_rewindSoundStream(movie->displayList); header = newSizedSWFOutput(23); SWFOutput_writeRect(header, movie->bounds); SWFOutput_writeUInt16(header, (int)floor(movie->rate*256)); SWFOutput_writeUInt16(header, movie->nFrames); /* SWF >= 8: first block _must_ be SWF_FILEATTRIBUTES */ if(movie->fattrs) writeSWFBlockToMethod((SWFBlock)movie->fattrs, SWFOutputMethod, header); if(movie->backgroundBlock) writeSWFBlockToMethod(movie->backgroundBlock, SWFOutputMethod, header); if(movie->limits) writeSWFBlockToMethod((SWFBlock)movie->limits, SWFOutputMethod, header); SWFOutput_byteAlign(header); swflength += 8 + SWFOutput_getLength(header); // compression level check #if USE_ZLIB if (level < -1) level = -1; if (level > 9) level = 9; #else if ( level != -1 ) { SWF_warn("No zlib support compiled in, " "cannot generate compressed output"); level = -1; } #endif // reserve output buffer if(level >= 0) { // a little bit more than the uncompressed data compresslength = swflength + (swflength/1000) + 15 + 1; swfbuffer = newSizedSWFOutput( compresslength + 8 ); } else swfbuffer = newSizedSWFOutput( swflength ); if (level >= 0) SWFOutput_writeUInt8 (swfbuffer, 'C'); else SWFOutput_writeUInt8 (swfbuffer, 'F'); SWFOutput_writeUInt8 (swfbuffer, 'W'); SWFOutput_writeUInt8 (swfbuffer, 'S'); SWFOutput_writeUInt8 (swfbuffer, movie->version); // Movie length SWFOutput_writeUInt32(swfbuffer, swflength); if(level >= 0) buffer = tempbuffer = newSizedSWFOutput( swflength - 8); else buffer = swfbuffer; SWFOutput_writeToMethod(header, SWFOutputMethod, buffer); destroySWFOutput(header); // fill swfbuffer with blocklist SWFBlockList_writeBlocksToMethod(movie->blockList, SWFOutputMethod, buffer); #if USE_ZLIB if (level >= 0) { status = compress2 ( (Bytef*) SWFOutput_getBuffer(swfbuffer)+8, &compresslength, SWFOutput_getBuffer(tempbuffer), SWFOutput_getLength(tempbuffer), level); if (status == Z_OK) { SWFOutput_truncate(swfbuffer, compresslength+8); destroySWFOutput(tempbuffer); } else SWF_error("compression failed"); } #endif // ndef USE_ZLIB return swfbuffer; }