void
SWFShape_drawScaledLine(SWFShape shape, int dx, int dy)
{
ShapeRecord record;
if ( shape->isEnded )
return;
if ( dx == 0 && dy == 0 )
return;
record = newShapeRecord(shape, SHAPERECORD_LINETO);
SWF_assert(SWFOutput_numSBits(dx) < 18);
SWF_assert(SWFOutput_numSBits(dy) < 18);
record.record.lineTo->dx = dx;
record.record.lineTo->dy = dy;
shape->xpos += dx;
shape->ypos += dy;
SWFRect_includePoint(SWFCharacter_getBounds(CHARACTER(shape)),
shape->xpos, shape->ypos, shape->lineWidth);
SWFRect_includePoint(shape->edgeBounds, shape->xpos, shape->ypos, 0);
}
void writeSWFFontToMethod(SWFBlock block,
SWFByteOutputMethod method, void *data)
{
SWFFont font = (SWFFont)block;
int offset, i;
byte *p, *s;
methodWriteUInt16(CHARACTERID(font), method, data);
offset = font->nGlyphs*2;
/* write offset table for glyphs */
for(i=0; i<font->nGlyphs; ++i)
{
methodWriteUInt16(offset, method, data);
offset += glyphLength(font, font->codeToGlyph[i]);
}
/* write shape records for glyphs */
for(i=0; i<font->nGlyphs; ++i)
{
p = font->glyphOffset[font->codeToGlyph[i]];
s = font->glyphOffset[font->codeToGlyph[i]+1];
SWF_assert(p < s);
while(p < s)
method(*(p++), data);
}
}
static void
finishBrowserFont(SWFBrowserFont font)
{
unsigned int i;
SWFOutput out;
SWF_assert(BLOCK(font)->swfVersion);
out = newSWFOutput();
font->out = out;
SWFOutput_writeUInt16(out, CHARACTERID(font));
if(BLOCK(font)->swfVersion > 5) /* maybe italic or bold flag? */
SWFOutput_writeUInt8(out, SWF_FONT_WIDECODES);
else
SWFOutput_writeUInt8(out, 0);
SWFOutput_writeUInt8(out, 0); /* reserved flags */
SWFOutput_writeUInt8(out, strlen(font->name));
for ( i=0; i<strlen(font->name); ++i )
SWFOutput_writeUInt8(out, font->name[i]);
SWFOutput_writeUInt16(out, 0); /* number of glyphs */
SWFOutput_writeSInt16(out, 2); /* offset */
SWFOutput_byteAlign(out);
}
static void subdivideCubicRight(cubic *New, cubic *old, float t)
{
SWF_assert(t>0.0 && t<1.0);
if(New != old)
memcpy(New, old, sizeof(cubic));
New->a.x = t*New->a.x + (1-t)*New->b.x;
New->a.y = t*New->a.y + (1-t)*New->b.y;
New->b.x = t*New->b.x + (1-t)*New->c.x;
New->b.y = t*New->b.y + (1-t)*New->c.y;
New->c.x = t*New->c.x + (1-t)*New->d.x;
New->c.y = t*New->c.y + (1-t)*New->d.y;
New->a.x = t*New->a.x + (1-t)*New->b.x;
New->a.y = t*New->a.y + (1-t)*New->b.y;
New->b.x = t*New->b.x + (1-t)*New->c.x;
New->b.y = t*New->b.y + (1-t)*New->c.y;
New->a.x = t*New->a.x + (1-t)*New->b.x;
New->a.y = t*New->a.y + (1-t)*New->b.y;
}
void SWFOutput_writeMorphLineStyles(SWFOutput out,
SWFLineStyle *lines1, int nLines1,
SWFLineStyle *lines2, int nLines2)
{
SWFLineStyle line1, line2;
int i;
SWF_assert(nLines1 == nLines2);
if(nLines1<255)
SWFOutput_writeUInt8(out, nLines1);
else
{
SWFOutput_writeUInt8(out, 255);
SWFOutput_writeUInt16(out, nLines1);
}
for(i=0; i<nLines1; ++i)
{
line1 = lines1[i];
line2 = lines2[i];
SWFOutput_writeUInt16(out, line1->width);
SWFOutput_writeUInt16(out, line2->width);
SWFOutput_writeUInt8(out, line1->r);
SWFOutput_writeUInt8(out, line1->g);
SWFOutput_writeUInt8(out, line1->b);
SWFOutput_writeUInt8(out, line1->a);
SWFOutput_writeUInt8(out, line2->r);
SWFOutput_writeUInt8(out, line2->g);
SWFOutput_writeUInt8(out, line2->b);
SWFOutput_writeUInt8(out, line2->a);
++line1;
++line2;
}
}
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");
}
}
