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;
}
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;
}
void
SWFShape_writeShapeRecord(SWFShape shape, ShapeRecord record, SWFOutput out)
{
switch(record.type)
{
case SHAPERECORD_STATECHANGE:
{
int flags = record.record.stateChange->flags;
if(flags == 0)
return;
SWFOutput_writeBits(out, flags, 6);
if(flags & SWF_SHAPE_MOVETOFLAG)
{
int x = record.record.stateChange->moveToX;
int y = record.record.stateChange->moveToY;
int nBits = max(SWFOutput_numSBits(x), SWFOutput_numSBits(y));
SWF_assert(nBits<32);
SWFOutput_writeBits(out, nBits, 5);
SWFOutput_writeSBits(out, x, nBits);
SWFOutput_writeSBits(out, y, nBits);
}
if(flags & SWF_SHAPE_FILLSTYLE0FLAG)
{
SWFOutput_writeBits(out, record.record.stateChange->leftFill,
SWFOutput_numBits(shape->nFills));
}
if(flags & SWF_SHAPE_FILLSTYLE1FLAG)
{
SWFOutput_writeBits(out, record.record.stateChange->rightFill,
SWFOutput_numBits(shape->nFills));
}
if(flags & SWF_SHAPE_LINESTYLEFLAG)
{
SWFOutput_writeBits(out, record.record.stateChange->line,
SWFOutput_numBits(shape->nLines));
}
/* newstyle's never used. But this is what it looks like:
if ( flags & SWF_SHAPE_NEWSTYLEFLAG )
{
SWFOutput_writeFillStyles(shape->out, shape->fills, shape->nFills,
BLOCK(shape)->type);
SWFOutput_writeLineStyles(shape->out, shape->lines, shape->nLines,
BLOCK(shape)->type);
SWFOutput_writeBits(shape->out, SWFOutput_numBits(shape->nFills), 4);
SWFOutput_writeBits(shape->out, SWFOutput_numBits(shape->nLines), 4);
}
*/
break;
}
case SHAPERECORD_LINETO:
{
int nBits;
int dx = record.record.lineTo->dx;
int dy = record.record.lineTo->dy;
SWFOutput_writeBits(out, 3, 2); /* straight edge */
if(dx==0)
{
nBits = SWFOutput_numSBits(dy);
SWF_assert(nBits<18);
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeBits(out, 1, 2); /* vertical line */
SWFOutput_writeSBits(out, dy, nBits);
}
else if(dy==0)
{
nBits = SWFOutput_numSBits(dx);
SWF_assert(nBits<18);
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeBits(out, 0, 2); /* horizontal line */
SWFOutput_writeSBits(out, dx, nBits);
}
else
{
nBits = max(SWFOutput_numSBits(dx), SWFOutput_numSBits(dy));
SWF_assert(nBits<18);
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeBits(out, 1, 1); /* general line */
SWFOutput_writeSBits(out, dx, nBits);
SWFOutput_writeSBits(out, dy, nBits);
}
break;
}
case SHAPERECORD_CURVETO:
{
int controlx = record.record.curveTo->controlx;
int controly = record.record.curveTo->controly;
int anchorx = record.record.curveTo->anchorx;
int anchory = record.record.curveTo->anchory;
int nBits = max(max(SWFOutput_numSBits(controlx),
SWFOutput_numSBits(controly)),
max(SWFOutput_numSBits(anchorx),
SWFOutput_numSBits(anchory)));
if ( nBits < 2 )
nBits = 2;
SWF_assert(nBits < 18);
SWFOutput_writeBits(out, 2, 2); /* curved edge */
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeSBits(out, controlx, nBits);
SWFOutput_writeSBits(out, controly, nBits);
SWFOutput_writeSBits(out, anchorx, nBits);
SWFOutput_writeSBits(out, anchory, nBits);
break;
}
default:
SWF_error("Unknown shapeRecordType");
}
}
void
SWFShape_writeShapeRecord(SWFShape shape, ShapeRecord record)
{
SWFOutput out = shape->out;
switch(record.type)
{
case SHAPERECORD_STATECHANGE:
{
int flags = record.record.stateChange->flags;
if(flags == 0)
return;
SWFOutput_writeBits(out, flags, 6);
if(flags & SWF_SHAPE_MOVETOFLAG)
{
int x = record.record.stateChange->moveToX;
int y = record.record.stateChange->moveToY;
int nBits = max(SWFOutput_numSBits(x), SWFOutput_numSBits(y));
SWF_assert(nBits<32);
SWFOutput_writeBits(out, nBits, 5);
SWFOutput_writeSBits(out, x, nBits);
SWFOutput_writeSBits(out, y, nBits);
}
if(flags & SWF_SHAPE_FILLSTYLE0FLAG)
{
SWFOutput_writeBits(out, record.record.stateChange->leftFill,
SWFOutput_numBits(shape->nFills2));
}
if(flags & SWF_SHAPE_FILLSTYLE1FLAG)
{
SWFOutput_writeBits(out, record.record.stateChange->rightFill,
SWFOutput_numBits(shape->nFills2));
}
if(flags & SWF_SHAPE_LINESTYLEFLAG)
{
SWFOutput_writeBits(out, record.record.stateChange->line,
SWFOutput_numBits(shape->nLines2));
}
/* newstyle's never used. But this is what it looks like: */
if ( flags & SWF_SHAPE_NEWSTYLEFLAG )
{
int i;
shape->lines = &record.record.stateChange->lines;
shape->fills = &record.record.stateChange->fills;
shape->nLines = &record.record.stateChange->nLines;
shape->nFills = &record.record.stateChange->nFills;
shape->nFills2 = *shape->nFills;
shape->nLines2 = *shape->nLines;
SWFOutput_writeFillStyles(shape->out, *shape->fills, *shape->nFills,
BLOCK(shape)->type);
SWFOutput_writeLineStyles(shape->out, *shape->lines, *shape->nLines,
BLOCK(shape)->type);
SWFOutput_writeBits(shape->out, SWFOutput_numBits(*shape->nFills), 4);
SWFOutput_writeBits(shape->out, SWFOutput_numBits(*shape->nLines), 4);
for ( i=0; i<*shape->nFills; ++i )
{
SWFMatrix matrix = SWFFillStyle_getMatrix((*shape->fills)[i]);
if ( matrix != NULL )
destroySWFMatrix(matrix);
/* gradients and bitmaps are destroyed separately */
free((*shape->fills)[i]);
}
if ( *shape->fills != NULL )
free(*shape->fills);
for ( i=0; i<*shape->nLines; ++i )
free((*shape->lines)[i]);
if ( *shape->lines != NULL )
free(*shape->lines);
}
break;
}
case SHAPERECORD_LINETO:
{
int nBits;
int dx = record.record.lineTo->dx;
int dy = record.record.lineTo->dy;
SWFOutput_writeBits(out, 3, 2); /* straight edge */
if(dx==0 && dy!=0)
{
nBits = SWFOutput_numSBits(dy);
SWF_assert(nBits<18);
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeBits(out, 1, 2); /* vertical line */
SWFOutput_writeSBits(out, dy, nBits);
}
else if(dy==0 && dx!=0)
{
nBits = SWFOutput_numSBits(dx);
SWF_assert(nBits<18);
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeBits(out, 0, 2); /* horizontal line */
SWFOutput_writeSBits(out, dx, nBits);
}
else
{
nBits = max(SWFOutput_numSBits(dx), SWFOutput_numSBits(dy));
nBits = max(nBits, 2);
SWF_assert(nBits<18);
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeBits(out, 1, 1); /* general line */
SWFOutput_writeSBits(out, dx, nBits);
SWFOutput_writeSBits(out, dy, nBits);
}
break;
}
case SHAPERECORD_CURVETO:
{
int controlx = record.record.curveTo->controlx;
int controly = record.record.curveTo->controly;
int anchorx = record.record.curveTo->anchorx;
int anchory = record.record.curveTo->anchory;
int nBits = max(max(SWFOutput_numSBits(controlx),
SWFOutput_numSBits(controly)),
max(SWFOutput_numSBits(anchorx),
SWFOutput_numSBits(anchory)));
if ( nBits < 2 )
nBits = 2;
SWF_assert(nBits < 18);
SWFOutput_writeBits(out, 2, 2); /* curved edge */
SWFOutput_writeBits(out, nBits-2, 4);
SWFOutput_writeSBits(out, controlx, nBits);
SWFOutput_writeSBits(out, controly, nBits);
SWFOutput_writeSBits(out, anchorx, nBits);
SWFOutput_writeSBits(out, anchory, nBits);
break;
}
default:
SWF_error("Unknown shapeRecordType");
}
}
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;
}