Esempio n. 1
0
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;
}
Esempio n. 2
0
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;
}
Esempio n. 3
0
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");
    }
}
Esempio n. 4
0
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");
	}
}
Esempio n. 5
0
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;
}