static void
finishBrowserFont(SWFBrowserFont font)
{
unsigned int i;
SWFOutput out;
SWF_assert(BLOCK(font)->swfVersion);
out = newSWFOutput();
font->out = out;
SWFOutput_writeUInt16(out, CHARACTERID(font));
if(BLOCK(font)->swfVersion > 5) /* maybe italic or bold flag? */
SWFOutput_writeUInt8(out, SWF_FONT_WIDECODES);
else
SWFOutput_writeUInt8(out, 0);
SWFOutput_writeUInt8(out, 0); /* reserved flags */
SWFOutput_writeUInt8(out, strlen(font->name));
for ( i=0; i<strlen(font->name); ++i )
SWFOutput_writeUInt8(out, font->name[i]);
SWFOutput_writeUInt16(out, 0); /* number of glyphs */
SWFOutput_writeSInt16(out, 2); /* offset */
SWFOutput_byteAlign(out);
}
void
SWFOutput_writeGlyphShape(SWFOutput out, SWFShape shape)
{
unsigned char c;
int styleDone = 0;
int i;
c = 1<<4;
SWFOutput_writeUInt8(out, c);
shape->nFills = 1;
shape->nLines = 0;
for ( i=0; i<shape->nRecords; ++i )
{
if(!styleDone && shape->records[i].type == SHAPERECORD_STATECHANGE)
{
shape->records[i].record.stateChange->flags |= SWF_SHAPE_FILLSTYLE0FLAG;
shape->records[i].record.stateChange->leftFill = 1;
styleDone = 1;
}
if ( i < shape->nRecords-1 ||
shape->records[i].type != SHAPERECORD_STATECHANGE )
{
SWFShape_writeShapeRecord(shape, shape->records[i], out);
}
}
SWFOutput_writeBits(out, 0, 6); /* end tag */
SWFOutput_byteAlign(out);
}
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);
}
int
completeSWFTextField(SWFBlock block)
{
SWFTextField field = (SWFTextField)block;
/* we're guessing how big the block's going to be.. */
SWFOutput out =
newSizedSWFOutput(42
+ ((field->varName)?strlen(field->varName):0)
+ ((field->string)?strlen(field->string):0));
field->out = out;
resetBounds(field);
SWFOutput_writeUInt16(out, CHARACTERID(field));
SWFOutput_writeRect(out, CHARACTER(field)->bounds);
SWFOutput_writeUInt16(out, field->flags);
if(field->flags & SWFTEXTFIELD_HASFONT)
{
SWFOutput_writeUInt16(out, CHARACTERID(field->font.fontchar));
SWFOutput_writeUInt16(out, field->fontHeight);
}
if(field->flags & SWFTEXTFIELD_HASCOLOR)
{
SWFOutput_writeUInt8(out, field->r);
SWFOutput_writeUInt8(out, field->g);
SWFOutput_writeUInt8(out, field->b);
SWFOutput_writeUInt8(out, field->a);
}
if ( field->flags & SWFTEXTFIELD_HASLENGTH )
SWFOutput_writeUInt16(out, field->length);
if(field->flags & SWFTEXTFIELD_HASLAYOUT)
{
SWFOutput_writeUInt8(out, field->alignment);
SWFOutput_writeUInt16(out, field->leftMargin);
SWFOutput_writeUInt16(out, field->rightMargin);
SWFOutput_writeUInt16(out, field->indentation);
SWFOutput_writeUInt16(out, field->lineSpacing);
}
SWFOutput_writeString(out, (byte*) field->varName);
if ( field->flags & SWFTEXTFIELD_HASTEXT )
SWFOutput_writeString(out, (byte*)field->string);
/*
XXX - if font is a real font, do we need to talk to it?
flash 4 just makes a browser font for (editable) textfields for all fonts
*/
SWFOutput_byteAlign(out);
return SWFOutput_getLength(out);
}
void
SWFShape_end(SWFShape shape)
{
int i;
byte* buffer;
if ( shape->isEnded )
return;
shape->isEnded = TRUE;
buffer = SWFOutput_getBuffer(shape->out);
if (shape->isUsingNewStyles == FALSE) {
buffer[0] =
(SWFOutput_numBits(shape->nFills2) << 4) + SWFOutput_numBits(shape->nLines2);
}
for ( i=0; i<shape->nRecords; ++i )
{
if ( i < shape->nRecords-1 ||
shape->records[i].type != SHAPERECORD_STATECHANGE )
{
SWFShape_writeShapeRecord(shape, shape->records[i]);
}
free(shape->records[i].record.stateChange); /* all in union are pointers */
}
SWFOutput_writeBits(shape->out, 0, 6); /* end tag */
SWFOutput_byteAlign(shape->out);
/* addStyleHeader creates a new output and adds the existing one after
itself- so even though it's called afterwards it's written before,
as it should be */
if ( BLOCK(shape)->type > 0 ) /* i.e., shape with style */
SWFShape_addStyleHeader(shape);
free(shape->records);
shape->records = NULL;
shape->nRecords = 0;
shape->lines = &shape->lines2;
shape->fills = &shape->fills2;
shape->nLines = &shape->nLines2;
shape->nFills = &shape->nFills2;
}
SWFOutput
outputswfSWF_SHAPE (SWF_SHAPE * shape)
{
SWFOutput out;
int i;
out=newSWFOutput();
SWFOutput_writeBits(out,shape->NumFillBits,4);
SWFOutput_writeBits(out,shape->NumLineBits,4);
for (i = 0; i < shape->NumShapeRecords; i++)
{
outputswfSWF_SHAPERECORD (&(shape->ShapeRecords[i]), out,shape->NumFillBits,shape->NumLineBits);
}
SWFOutput_byteAlign(out);
return out;
}
void
SWFOutput_writeToMethod(SWFOutput out, SWFByteOutputMethod method, void *data)
{
int i, l;
SWFOutput o = out;
byte *buffer;
SWFOutput_byteAlign(out);
while ( o != NULL )
{
buffer = o->buffer;
l = o->pos - buffer;
for(i=0; i<l; ++i)
method(buffer[i], data);
o = o->next;
}
}
void
SWFText_resolveCodes(SWFText text)
{
SWFTextRecord textRecord, oldRecord;
SWFOutput out = text->out;
int nGlyphBits = 0;
int len, i;
int curX = 0, curY = 0, curH = 0;
textRecord = text->initialRecord;
while ( textRecord != NULL )
{
SWFTextRecord_computeAdvances(textRecord);
text->nAdvanceBits = max(text->nAdvanceBits, textRecord->nAdvanceBits);
if ( textRecord->flags & SWF_TEXT_HAS_FONT )
{
int fontGlyphs = SWFFontCharacter_getNGlyphs(textRecord->font.fontchar);
nGlyphBits = max(nGlyphBits, SWFOutput_numBits(fontGlyphs-1));
}
textRecord = textRecord->next;
}
textRecord = text->initialRecord;
while ( textRecord != NULL )
{
SWFFontCharacter fontchar = NULL;
SWFFont font = NULL;
oldRecord = textRecord;
if ( textRecord->string == NULL || textRecord->strlen == 0 )
{
textRecord = textRecord->next;
destroySWFTextRecord(oldRecord);
continue;
}
SWFOutput_byteAlign(out);
/* Raff says the spec lies- there's always a change record, even if
it's empty, and the string record length is the full 8 bits. */
SWFOutput_writeUInt8(out, textRecord->flags | SWF_TEXT_STATE_CHANGE);
if ( textRecord->flags & SWF_TEXT_HAS_FONT )
SWFOutput_writeUInt16(out, CHARACTERID(textRecord->font.fontchar));
if ( textRecord->flags & SWF_TEXT_HAS_COLOR )
{
SWFOutput_writeUInt8(out, textRecord->r);
SWFOutput_writeUInt8(out, textRecord->g);
SWFOutput_writeUInt8(out, textRecord->b);
if ( BLOCK(text)->type == SWF_DEFINETEXT2 )
SWFOutput_writeUInt8(out, textRecord->a);
}
if ( textRecord->flags & SWF_TEXT_HAS_X )
{
SWFOutput_writeUInt16(out, textRecord->x);
curX = textRecord->x;
}
if ( textRecord->flags & SWF_TEXT_HAS_Y )
{
SWFOutput_writeUInt16(out, textRecord->y);
curY = textRecord->y;
}
if ( textRecord->flags & SWF_TEXT_HAS_FONT )
{
SWFOutput_writeUInt16(out, textRecord->height);
curH = textRecord->height;
}
/* record type 0: string data */
len = textRecord->strlen;
if ( len >= 256 )
SWF_error("Found text record >= 256 characters!");
SWFOutput_writeUInt8(out, len);
fontchar = textRecord->font.fontchar;
font = SWFFontCharacter_getFont(fontchar);
if ( font == NULL )
SWF_error("Couldn't find font");
for ( i=0; i<len; ++i )
{
SWFRect glyphBounds;
int minX, maxX, minY, maxY;
unsigned short font_glyphcode =
SWFFont_findGlyphCode(font, textRecord->string[i]);
glyphBounds = SWFFont_getGlyphBounds(font,font_glyphcode);
SWFRect_getBounds(glyphBounds, &minX, &maxX, &minY, &maxY);
int fontchar_glyphcode =
SWFFontCharacter_findGlyphCode(fontchar, textRecord->string[i]);
if (fontchar_glyphcode < 0) {
SWF_error("SWFText_resolveCodes: no suitable glyph available (in dumped font)");
}
SWFOutput_writeBits(out, (unsigned short) fontchar_glyphcode, nGlyphBits);
SWFOutput_writeBits(out, textRecord->advance[i], text->nAdvanceBits);
if ( CHARACTER(text)->bounds )
{
SWFRect_includePoint(CHARACTER(text)->bounds, curX + minX * curH / 1024,
curY + minY * curH / 1024, 0);
SWFRect_includePoint(CHARACTER(text)->bounds, curX + maxX * curH / 1024,
curY + maxY * curH / 1024, 0);
}
else
{
CHARACTER(text)->bounds = newSWFRect(curX + minX * curH /1024,
curX + maxX * curH /1024, curY + minY * curH /1024,
curY + maxY * curH /1024);
}
if ( textRecord->advance != NULL )
curX += textRecord->advance[i];
}
textRecord = textRecord->next;
destroySWFTextRecord(oldRecord);
}
SWFOutput_writeUInt8(out, 0); /* end text records */
text->nGlyphBits = nGlyphBits;
text->initialRecord = NULL;
text->currentRecord = NULL;
}
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;
}
void
SWFOutput_writeMatrix(SWFOutput out, SWFMatrix matrix)
{
int nBits;
SWFOutput_byteAlign(out);
if ( (matrix->scaleX == 0 && matrix->scaleY == 0) ||
(matrix->scaleX == 1.0 && matrix->scaleY == 1.0) )
{
SWFOutput_writeBits(out, 0, 1);
}
else
{
int xScale = (int)floor(matrix->scaleX * (1<<FIXEDBITS));
int yScale = (int)floor(matrix->scaleY * (1<<FIXEDBITS));
SWFOutput_writeBits(out, 1, 1);
nBits = max(SWFOutput_numSBits(xScale), SWFOutput_numSBits(yScale));
if(nBits >= 32)
SWF_error("SWFMatrix_scale: number is to big. "
" Requested %i bits\n", nBits);
SWFOutput_writeBits(out, nBits, 5);
SWFOutput_writeSBits(out, xScale, nBits);
SWFOutput_writeSBits(out, yScale, nBits);
}
if ( matrix->rotate0 == 0 && matrix->rotate1 == 0 )
{
SWFOutput_writeBits(out, 0, 1);
}
else
{
int rot0 = (int)floor(matrix->rotate0 * (1<<FIXEDBITS));
int rot1 = (int)floor(matrix->rotate1 * (1<<FIXEDBITS));
SWFOutput_writeBits(out, 1, 1);
nBits = max(SWFOutput_numSBits(rot0), SWFOutput_numSBits(rot1));
if(nBits >= 32)
SWF_error("SWFMatrix_rotate: number is to big. "
" Requested %i bits\n", nBits);
SWFOutput_writeBits(out, nBits, 5);
SWFOutput_writeSBits(out, rot0, nBits);
SWFOutput_writeSBits(out, rot1, nBits);
}
if ( matrix->translateX != 0 || matrix->translateY != 0 )
{
nBits = max(SWFOutput_numSBits(matrix->translateX),
SWFOutput_numSBits(matrix->translateY));
if(nBits >= 32)
SWF_error("SWFMatrix_translate: number is to big. "
" Requested %i bits\n", nBits);
}
else
nBits = 0;
SWFOutput_writeBits(out, nBits, 5);
SWFOutput_writeSBits(out, matrix->translateX, nBits);
SWFOutput_writeSBits(out, matrix->translateY, nBits);
}
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;
}
void
SWFOutput_writeCXform(SWFOutput out, SWFCXform cXform, SWFBlocktype type)
{
int nBits = 0;
int hasAdd, hasMult;
SWFOutput_byteAlign(out);
hasAdd = ( cXform->rAdd != 0 || cXform->gAdd != 0 ||
cXform->bAdd != 0 || cXform->aAdd != 0 );
hasMult = ( cXform->rMult != 256 || cXform->gMult != 256 ||
cXform->bMult != 256 || cXform->aMult != 256 );
SWFOutput_writeBits(out, hasAdd ? 1 : 0, 1);
SWFOutput_writeBits(out, hasMult ? 1 : 0, 1);
if ( hasAdd )
{
nBits = max(nBits, SWFOutput_numSBits(cXform->rAdd));
nBits = max(nBits, SWFOutput_numSBits(cXform->gAdd));
nBits = max(nBits, SWFOutput_numSBits(cXform->bAdd));
if ( type == SWF_PLACEOBJECT2 )
nBits = max(nBits, SWFOutput_numSBits(cXform->aAdd));
}
if ( hasMult )
{
nBits = max(nBits, SWFOutput_numSBits(cXform->rMult));
nBits = max(nBits, SWFOutput_numSBits(cXform->gMult));
nBits = max(nBits, SWFOutput_numSBits(cXform->bMult));
if ( type == SWF_PLACEOBJECT2 )
nBits = max(nBits, SWFOutput_numSBits(cXform->aMult));
}
if ( nBits>=16 )
SWF_error("color transform data out of scale");
SWFOutput_writeBits(out, nBits, 4);
if ( hasMult )
{
SWFOutput_writeSBits(out, cXform->rMult, nBits);
SWFOutput_writeSBits(out, cXform->gMult, nBits);
SWFOutput_writeSBits(out, cXform->bMult, nBits);
if ( type == SWF_PLACEOBJECT2 )
SWFOutput_writeSBits(out, cXform->aMult, nBits);
}
if ( hasAdd )
{
SWFOutput_writeSBits(out, cXform->rAdd, nBits);
SWFOutput_writeSBits(out, cXform->gAdd, nBits);
SWFOutput_writeSBits(out, cXform->bAdd, nBits);
if ( type == SWF_PLACEOBJECT2 )
SWFOutput_writeSBits(out, cXform->aAdd, nBits);
}
}
void
SWFText_resolveCodes(SWFText text)
{
SWFTextRecord textRecord, oldRecord;
SWFOutput out = text->out;
int nGlyphBits = 0;
int len, i;
int curX = 0, curY = 0, curH = 0;
textRecord = text->initialRecord;
while ( textRecord != NULL )
{
SWFTextRecord_computeAdvances(textRecord);
text->nAdvanceBits = max(text->nAdvanceBits, textRecord->nAdvanceBits);
if ( textRecord->flags & SWF_TEXT_HAS_FONT )
{
if ( textRecord->isBrowserFont )
{
/* XXX - assume browser fonts have 8bit glyph table? */
nGlyphBits = max(nGlyphBits, 8);
}
else
{
int fontGlyphs = SWFFontCharacter_getNGlyphs(textRecord->font.fontchar);
nGlyphBits = max(nGlyphBits, SWFOutput_numBits(fontGlyphs-1));
}
}
textRecord = textRecord->next;
}
textRecord = text->initialRecord;
while ( textRecord != NULL )
{
oldRecord = textRecord;
if ( textRecord->string == NULL || textRecord->strlen == 0 )
{
textRecord = textRecord->next;
destroySWFTextRecord(oldRecord);
continue;
}
SWFOutput_byteAlign(out);
/* Raff says the spec lies- there's always a change record, even if
it's empty, and the string record length is the full 8 bits. */
SWFOutput_writeUInt8(out, textRecord->flags | SWF_TEXT_STATE_CHANGE);
if ( textRecord->flags & SWF_TEXT_HAS_FONT )
{
if ( textRecord->isBrowserFont )
SWFOutput_writeUInt16(out, CHARACTERID(textRecord->font.browserFont));
else
SWFOutput_writeUInt16(out, CHARACTERID(textRecord->font.fontchar));
}
if ( textRecord->flags & SWF_TEXT_HAS_COLOR )
{
SWFOutput_writeUInt8(out, textRecord->r);
SWFOutput_writeUInt8(out, textRecord->g);
SWFOutput_writeUInt8(out, textRecord->b);
if ( BLOCK(text)->type == SWF_DEFINETEXT2 )
SWFOutput_writeUInt8(out, textRecord->a);
}
if ( textRecord->flags & SWF_TEXT_HAS_X )
{
SWFOutput_writeUInt16(out, textRecord->x);
curX = textRecord->x;
}
if ( textRecord->flags & SWF_TEXT_HAS_Y )
{
SWFOutput_writeUInt16(out, textRecord->y);
curY = textRecord->y;
}
if ( textRecord->flags & SWF_TEXT_HAS_FONT )
{
SWFOutput_writeUInt16(out, textRecord->height);
curH = textRecord->height;
}
/* record type 0: string data */
len = textRecord->strlen;
if ( len >= 256 )
SWF_error("Found text record >= 256 characters!");
SWFOutput_writeUInt8(out, len);
/* XXX - er, browser fonts in text objects crash the player..
Maybe because there's no definefontinfo block? */
if ( textRecord->isBrowserFont )
{
for ( i=0; i<len; ++i )
{
SWFOutput_writeBits(out, textRecord->string[i], nGlyphBits);
SWFOutput_writeBits(out, textRecord->advance[i], text->nAdvanceBits);
/* XXX - fudging the text character bounds since we don't
have font metrics */
if ( CHARACTER(text)->bounds )
{
SWFRect_includePoint(CHARACTER(text)->bounds, curX, curY, 0);
SWFRect_includePoint(CHARACTER(text)->bounds,
curX + curH, curY + curH, 0);
}
else
{
CHARACTER(text)->bounds =
newSWFRect(curX, curX + curH, curY, curY + curH);
}
curX += curH;
}
}
else
{
SWFFontCharacter fontchar = textRecord->font.fontchar;
SWFFont font = SWFFontCharacter_getFont(fontchar);
if ( font == NULL )
SWF_error("Couldn't find font");
for ( i=0; i<len; ++i )
{
SWFRect glyphBounds;
int minX, maxX, minY, maxY;
unsigned short code =
SWFFontCharacter_getGlyphCode(fontchar, textRecord->string[i]);
glyphBounds = SWFFont_getGlyphBounds(font, code);
SWFRect_getBounds(glyphBounds, &minX, &maxX, &minY, &maxY);
SWFOutput_writeBits(out, textRecord->string[i], nGlyphBits);
SWFOutput_writeBits(out, textRecord->advance[i], text->nAdvanceBits);
if ( CHARACTER(text)->bounds )
{
SWFRect_includePoint(CHARACTER(text)->bounds,
curX + minX * curH / 1024,
curY + minY * curH / 1024, 0);
SWFRect_includePoint(CHARACTER(text)->bounds,
curX + maxX * curH / 1024,
curY + maxY * curH / 1024, 0);
}
else
{
CHARACTER(text)->bounds =
newSWFRect(curX + minX * curH /1024, curX + maxX * curH /1024,
curY + minY * curH /1024, curY + maxY * curH /1024);
}
if ( textRecord->advance != NULL )
curX += textRecord->advance[i];
}
}
textRecord = textRecord->next;
destroySWFTextRecord(oldRecord);
}
SWFOutput_writeUInt8(out, 0); /* end text records */
text->nGlyphBits = nGlyphBits;
text->initialRecord = NULL;
text->currentRecord = NULL;
}
