void
SWFText_addWideString(SWFText text, const unsigned short* widestring,
int len, int* advance)
{
SWFTextRecord textRecord = text->currentRecord;
/* marginally sloppy to tack on a new record,
but I don't want to deal with concats */
if ( textRecord == NULL || textRecord->string != NULL )
textRecord = SWFText_addTextRecord(text);
/* If SWFText_addTextRecord() failed, return early */
if (NULL == textRecord)
return;
if ( textRecord->font.font == NULL )
SWF_error("font must be set before calling addString");
textRecord->advance = advance;
textRecord->strlen = len;
textRecord->string = (unsigned short*)malloc(sizeof(unsigned short) * len);
/* If malloc failed, return early */
if (NULL == textRecord->string)
{
destroySWFTextRecord(textRecord);
return;
}
memcpy(textRecord->string, widestring, sizeof(unsigned short) * len);
}
void
destroySWFText(SWFText text)
{
SWFTextRecord record = text->initialRecord, next;
destroySWFOutput(text->out);
if ( text->matrix != NULL )
destroySWFMatrix(text->matrix);
while ( record != NULL )
{
next = record->next;
destroySWFTextRecord(record);
record = next;
}
#if TRACK_ALLOCS
ming_gc_remove_node(text->gcnode);
#endif
destroySWFCharacter((SWFCharacter) text);
}
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
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;
}
