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; }