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
SWFShape_drawScaledCurve(SWFShape shape,
int controldx, int controldy,
int anchordx, int anchordy)
{
ShapeRecord record;
if ( shape->isEnded )
return;
if ( controldx == 0 && controldy == 0 && anchordx == 0 && anchordy == 0 )
return;
// printf("curve %i,%i, %i, %i\n", controldx, controldy, anchordx, anchordy);
record = newShapeRecord(shape, SHAPERECORD_CURVETO);
record.record.curveTo->controlx = controldx;
record.record.curveTo->controly = controldy;
record.record.curveTo->anchorx = anchordx;
record.record.curveTo->anchory = anchordy;
if ( SWFOutput_numSBits(controldx) >= 18 ||
SWFOutput_numSBits(controldy) >= 18 ||
SWFOutput_numSBits(anchordx) >= 18 ||
SWFOutput_numSBits(anchordy) >= 18 )
SWF_error("Curve parameters too large");
/* including the control point is sloppy, but safe.. */
shape->xpos += controldx;
shape->ypos += controldy;
SWFRect_includePoint(SWFCharacter_getBounds(CHARACTER(shape)),
shape->xpos, shape->ypos, shape->lineWidth);
SWFRect_includePoint(shape->edgeBounds, shape->xpos, shape->ypos, 0);
shape->xpos += anchordx;
shape->ypos += anchordy;
SWFRect_includePoint(SWFCharacter_getBounds(CHARACTER(shape)),
shape->xpos, shape->ypos, shape->lineWidth);
SWFRect_includePoint(shape->edgeBounds, shape->xpos, shape->ypos, 0);
}
void
SWFShape_addStyleHeader(SWFShape shape)
{
SWFOutput out = newSWFOutput();
SWFOutput_writeUInt16(out, CHARACTERID(shape));
SWFOutput_writeRect(out, SWFCharacter_getBounds(CHARACTER(shape)));
if(shape->useVersion == SWF_SHAPE4)
{
SWFOutput_writeRect(out, shape->edgeBounds);
SWFOutput_writeUInt8(out, shape->flags);
}
SWFOutput_writeFillStyles(out, shape->fills, shape->nFills,
BLOCK(shape)->type, shape->edgeBounds);
SWFOutput_writeLineStyles(out, shape->lines, shape->nLines, BLOCK(shape)->type);
/* prepend shape->out w/ shape header */
SWFOutput_setNext(out, shape->out);
shape->out = out;
}
void
SWFShape_addStyleHeader(SWFShape shape)
{
SWFOutput out = newSWFOutput();
SWFOutput_writeUInt16(out, CHARACTERID(shape));
SWFOutput_writeRect(out, SWFCharacter_getBounds(CHARACTER(shape)));
if (shape->isUsingNewStyles) {
shape->nFills2 = 0;
shape->nLines2 = 0;
}
SWFOutput_writeFillStyles(out, shape->fills2, shape->nFills2, BLOCK(shape)->type);
SWFOutput_writeLineStyles(out, shape->lines2, shape->nLines2, BLOCK(shape)->type);
/* prepend shape->out w/ shape header */
SWFOutput_setNext(out, shape->out);
shape->out = out;
}
/* move pen relative to shape origin */
void
SWFShape_moveScaledPenTo(SWFShape shape, int x, int y)
{
ShapeRecord record;
if ( shape->isEnded )
return;
record = addStyleRecord(shape);
record.record.stateChange->moveToX = shape->xpos = x;
record.record.stateChange->moveToY = shape->ypos = y;
record.record.stateChange->flags |= SWF_SHAPE_MOVETOFLAG;
if ( shape->nRecords == 0 ||
(shape->nRecords == 1 &&
shape->records[0].type == SHAPERECORD_STATECHANGE) )
{
SWFRect_setBounds(SWFCharacter_getBounds(CHARACTER(shape)), x, x, y, y);
SWFRect_setBounds(shape->edgeBounds, x, x, y, y);
}
}
/* copy shaperecord from other shape */
static ShapeRecord addShapeRecord(SWFShape shape, ShapeRecord record,
int *vx, int *vy, float scale)
{
if ( shape->nRecords % SHAPERECORD_INCREMENT == 0 )
{
shape->records = (ShapeRecord*) realloc(shape->records,
sizeof(ShapeRecord) *
(shape->nRecords + SHAPERECORD_INCREMENT));
}
switch ( record.type )
{
case SHAPERECORD_STATECHANGE:
{
StateChangeRecord change = (StateChangeRecord)
calloc(1,sizeof(struct stateChangeRecord));
*change = *record.record.stateChange;
shape->records[shape->nRecords].record.stateChange = change;
change->moveToX += shape->xpos;
change->moveToY += shape->ypos;
change->moveToX *= scale;
change->moveToY *= scale;
*vx = change->moveToX;
*vy = change->moveToY;
break;
}
case SHAPERECORD_LINETO:
{
LineToRecord lineTo = (LineToRecord)
calloc(1,sizeof(struct lineToRecord));
*lineTo = *record.record.lineTo;
lineTo->dx *= scale;
lineTo->dy *= scale;
shape->records[shape->nRecords].record.lineTo = lineTo;
*vx += lineTo->dx;
*vy += lineTo->dy;
SWFRect_includePoint(SWFCharacter_getBounds(CHARACTER(shape)),
*vx, *vy, shape->lineWidth);
SWFRect_includePoint(shape->edgeBounds, *vx, *vy, 0);
break;
}
case SHAPERECORD_CURVETO:
{
CurveToRecord curveTo = (CurveToRecord)
calloc(1,sizeof(struct curveToRecord));
*curveTo = *record.record.curveTo;
curveTo->controlx *= scale;
curveTo->controly *= scale;
curveTo->anchorx *= scale;
curveTo->anchory *= scale;
shape->records[shape->nRecords].record.curveTo = curveTo;
*vx += curveTo->controlx;
*vy += curveTo->controly;
SWFRect_includePoint(SWFCharacter_getBounds(CHARACTER(shape)),
*vx, *vy, shape->lineWidth);
SWFRect_includePoint(shape->edgeBounds, *vx, *vy, 0);
*vx += curveTo->anchorx;
*vy += curveTo->anchory;
SWFRect_includePoint(SWFCharacter_getBounds(CHARACTER(shape)),
*vx, *vy, shape->lineWidth);
SWFRect_includePoint(shape->edgeBounds, *vx, *vy, 0);
break;
}
}
shape->records[shape->nRecords].type = record.type;
shape->nRecords++;
return shape->records[shape->nRecords-1];
}
