int width, int height, int srcStride, int dstStride);
protected:
+ enum Op {
+ kErode_Op,
+ kDilate_Op,
+ };
+
+ virtual Op op() const = 0;
+
SkMorphologyImageFilter(int radiusX, int radiusY, SkImageFilter* input,
const CropRect* cropRect);
- sk_sp<SkSpecialImage> filterImageGeneric(bool dilate,
- SkSpecialImage* source,
- const Context&,
- SkIPoint* offset) const;
+ sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source,
+ const Context&,
+ SkIPoint* offset) const override;
void flatten(SkWriteBuffer&) const override;
SkISize radius() const { return fRadius; }
private:
- SkISize fRadius;
+ SkISize fRadius;
+
typedef SkImageFilter INHERITED;
};
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDilateImageFilter)
protected:
- sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
- SkIPoint* offset) const override;
+ Op op() const override { return kDilate_Op; }
private:
SkDilateImageFilter(int radiusX, int radiusY, SkImageFilter* input, const CropRect* cropRect)
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter)
protected:
- sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
- SkIPoint* offset) const override;
+ Op op() const override { return kErode_Op; }
private:
SkErodeImageFilter(int radiusX, int radiusY, SkImageFilter* input, const CropRect* cropRect)
}
#endif
-sk_sp<SkSpecialImage> SkMorphologyImageFilter::filterImageGeneric(bool dilate,
- SkSpecialImage* source,
- const Context& ctx,
- SkIPoint* offset) const {
+sk_sp<SkSpecialImage> SkMorphologyImageFilter::onFilterImage(SkSpecialImage* source,
+ const Context& ctx,
+ SkIPoint* offset) const {
SkIPoint inputOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset));
if (!input) {
#if SK_SUPPORT_GPU
if (input->peekTexture() && input->peekTexture()->getContext()) {
- auto type = dilate ? GrMorphologyEffect::kDilate_MorphologyType
- : GrMorphologyEffect::kErode_MorphologyType;
+ auto type = (kDilate_Op == this->op()) ? GrMorphologyEffect::kDilate_MorphologyType
+ : GrMorphologyEffect::kErode_MorphologyType;
sk_sp<SkSpecialImage> result(apply_morphology(input.get(), srcBounds, type,
SkISize::Make(width, height)));
if (result) {
SkMorphologyImageFilter::Proc procX, procY;
- if (dilate) {
+ if (kDilate_Op == this->op()) {
procX = SkOpts::dilate_x;
procY = SkOpts::dilate_y;
} else {
SkIRect::MakeWH(bounds.width(), bounds.height()),
dst);
}
-
-sk_sp<SkSpecialImage> SkDilateImageFilter::onFilterImage(SkSpecialImage* source, const Context& ctx,
- SkIPoint* offset) const {
- return this->filterImageGeneric(true, source, ctx, offset);
-}
-
-sk_sp<SkSpecialImage> SkErodeImageFilter::onFilterImage(SkSpecialImage* source, const Context& ctx,
- SkIPoint* offset) const {
- return this->filterImageGeneric(false, source, ctx, offset);
-}