static void
writeSWFTextToMethod(SWFBlock block, SWFByteOutputMethod method, void *data)
{
SWFText text = (SWFText)block;
int length = 0;
SWFOutput out;
if ( text->matrix == NULL )
text->matrix = newSWFMatrix(1.0, 0, 0, 1.0, 0, 0);
length += (SWFMatrix_numBits(text->matrix)+7)/8;
length += (SWFRect_numBits(CHARACTER(text)->bounds)+7)/8;
length += 4;
out = newSizedSWFOutput(length);
SWFOutput_writeUInt16(out, CHARACTERID(text));
SWFOutput_writeRect(out, CHARACTER(text)->bounds);
SWFOutput_writeMatrix(out, text->matrix);
SWFOutput_writeUInt8(out, text->nGlyphBits);
SWFOutput_writeUInt8(out, text->nAdvanceBits);
SWFOutput_writeToMethod(out, method, data);
SWFOutput_writeToMethod(text->out, method, data);
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_addStyleHeader(SWFShape shape)
{
SWFOutput out = newSWFOutput();
SWFOutput_writeUInt16(out, CHARACTERID(shape));
SWFOutput_writeRect(out, SWFCharacter_getBounds(CHARACTER(shape)));
if(shape->useVersion == SWF_SHAPE4)
{
SWFOutput_writeRect(out, shape->edgeBounds);
SWFOutput_writeUInt8(out, shape->flags);
}
SWFOutput_writeFillStyles(out, shape->fills, shape->nFills,
BLOCK(shape)->type, shape->edgeBounds);
SWFOutput_writeLineStyles(out, shape->lines, shape->nLines, BLOCK(shape)->type);
/* prepend shape->out w/ shape header */
SWFOutput_setNext(out, shape->out);
shape->out = out;
}
void
SWFShape_addStyleHeader(SWFShape shape)
{
SWFOutput out = newSWFOutput();
SWFOutput_writeUInt16(out, CHARACTERID(shape));
SWFOutput_writeRect(out, SWFCharacter_getBounds(CHARACTER(shape)));
if (shape->isUsingNewStyles) {
shape->nFills2 = 0;
shape->nLines2 = 0;
}
SWFOutput_writeFillStyles(out, shape->fills2, shape->nFills2, BLOCK(shape)->type);
SWFOutput_writeLineStyles(out, shape->lines2, shape->nLines2, BLOCK(shape)->type);
/* prepend shape->out w/ shape header */
SWFOutput_setNext(out, shape->out);
shape->out = out;
}
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;
}