73603f3c52
SkRegion::Op --> SkCanvas::ClipOp (alias) --> SkClipOp pre-CL needed in chrome : https://codereview.chromium.org/2355583002/ BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2355483002 Review-Url: https://codereview.chromium.org/2355483002
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm.h"
|
|
#include "SkBlurImageFilter.h"
|
|
#include "SkRRect.h"
|
|
#include "SkSurface.h"
|
|
|
|
#define WIDTH 512
|
|
#define HEIGHT 512
|
|
|
|
namespace skiagm {
|
|
|
|
class ComplexClipBlurTiledGM : public GM {
|
|
public:
|
|
ComplexClipBlurTiledGM() {
|
|
}
|
|
|
|
protected:
|
|
SkString onShortName() override {
|
|
return SkString("complexclip_blur_tiled");
|
|
}
|
|
|
|
SkISize onISize() override {
|
|
return SkISize::Make(WIDTH, HEIGHT);
|
|
}
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
SkPaint blurPaint;
|
|
blurPaint.setImageFilter(SkBlurImageFilter::Make(5.0f, 5.0f, nullptr));
|
|
const SkScalar tileSize = SkIntToScalar(128);
|
|
SkRect bounds;
|
|
if (!canvas->getClipBounds(&bounds)) {
|
|
bounds.setEmpty();
|
|
}
|
|
int ts = SkScalarCeilToInt(tileSize);
|
|
SkImageInfo info = SkImageInfo::MakeN32Premul(ts, ts);
|
|
auto tileSurface(canvas->makeSurface(info));
|
|
if (!tileSurface) {
|
|
tileSurface = SkSurface::MakeRaster(info);
|
|
}
|
|
SkCanvas* tileCanvas = tileSurface->getCanvas();
|
|
for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tileSize) {
|
|
for (SkScalar x = bounds.left(); x < bounds.right(); x += tileSize) {
|
|
tileCanvas->save();
|
|
tileCanvas->clear(0);
|
|
tileCanvas->translate(-x, -y);
|
|
SkRect rect = SkRect::MakeWH(WIDTH, HEIGHT);
|
|
tileCanvas->saveLayer(&rect, &blurPaint);
|
|
SkRRect rrect = SkRRect::MakeRectXY(rect.makeInset(20, 20), 25, 25);
|
|
tileCanvas->clipRRect(rrect, SkCanvas::kDifference_Op, true);
|
|
SkPaint paint;
|
|
tileCanvas->drawRect(rect, paint);
|
|
tileCanvas->restore();
|
|
tileCanvas->restore();
|
|
canvas->drawImage(tileSurface->makeImageSnapshot().get(), x, y);
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM(return new ComplexClipBlurTiledGM;)
|
|
|
|
}
|