bool SkStrokeRec::applyToPath(SkPath* dst, const SkPath& src) const {
if (fWidth <= 0) { // hairline or fill
return false;
}
SkStroke stroker;
stroker.setCap(fCap);
stroker.setJoin(fJoin);
stroker.setMiterLimit(fMiterLimit);
stroker.setWidth(fWidth);
stroker.setDoFill(fStrokeAndFill);
stroker.strokePath(src, dst);
return true;
}
bool SkStrokeRec::applyToPath(SkPath* dst, const SkPath& src) const {
if (fWidth <= 0) { // hairline or fill
return false;
}
SkStroke stroker;
stroker.setCap(fCap);
stroker.setJoin(fJoin);
stroker.setMiterLimit(fMiterLimit);
stroker.setWidth(fWidth);
stroker.setDoFill(fStrokeAndFill);
#if QUAD_STROKE_APPROXIMATION
stroker.setError(1);
#endif
stroker.strokePath(src, dst);
return true;
}
bool SkStrokePathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* width)
{
if (fWidth < 0 || fStyle == SkPaint::kFill_Style)
return false;
if (fStyle == SkPaint::kStroke_Style && fWidth == 0) // hairline
{
*width = 0;
return true;
}
SkStroke stroke;
stroke.setWidth(fWidth);
stroke.setMiterLimit(fMiter);
stroke.setJoin((SkPaint::Join)fJoin);
stroke.setCap((SkPaint::Cap)fCap);
stroke.setDoFill(fStyle == SkPaint::kStrokeAndFill_Style);
stroke.strokePath(src, dst);
return true;
}
void SkScalerContext::internalGetPath(const SkGlyph& glyph, SkPath* fillPath,
SkPath* devPath, SkMatrix* fillToDevMatrix) {
SkPath path;
this->getGlyphContext(glyph)->generatePath(glyph, &path);
if (fRec.fFrameWidth > 0 || fPathEffect != NULL) {
// need the path in user-space, with only the point-size applied
// so that our stroking and effects will operate the same way they
// would if the user had extracted the path themself, and then
// called drawPath
SkPath localPath;
SkMatrix matrix, inverse;
fRec.getMatrixFrom2x2(&matrix);
matrix.invert(&inverse);
path.transform(inverse, &localPath);
// now localPath is only affected by the paint settings, and not the canvas matrix
SkScalar width = fRec.fFrameWidth;
if (fPathEffect) {
SkPath effectPath;
if (fPathEffect->filterPath(&effectPath, localPath, &width)) {
localPath.swap(effectPath);
}
}
if (width > 0) {
SkStroke stroker;
SkPath outline;
stroker.setWidth(width);
stroker.setMiterLimit(fRec.fMiterLimit);
stroker.setJoin((SkPaint::Join)fRec.fStrokeJoin);
stroker.setDoFill(SkToBool(fRec.fFlags & kFrameAndFill_Flag));
stroker.strokePath(localPath, &outline);
localPath.swap(outline);
}
// now return stuff to the caller
if (fillToDevMatrix) {
*fillToDevMatrix = matrix;
}
if (devPath) {
localPath.transform(matrix, devPath);
}
if (fillPath) {
fillPath->swap(localPath);
}
} else { // nothing tricky to do
if (fillToDevMatrix) {
fillToDevMatrix->reset();
}
if (devPath) {
if (fillPath == NULL) {
devPath->swap(path);
} else {
*devPath = path;
}
}
if (fillPath) {
fillPath->swap(path);
}
}
if (devPath) {
devPath->updateBoundsCache();
}
if (fillPath) {
fillPath->updateBoundsCache();
}
}
