123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778 |
- /*
- * 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/gm.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkImageFilter.h"
- #include "include/core/SkImageInfo.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRRect.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkScalar.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkSurface.h"
- #include "include/effects/SkBlurImageFilter.h"
- #include "src/core/SkClipOpPriv.h"
- #include "tools/ToolUtils.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 = canvas->getLocalClipBounds();
- int ts = SkScalarCeilToInt(tileSize);
- SkImageInfo info = SkImageInfo::MakeN32Premul(ts, ts);
- auto tileSurface(ToolUtils::makeSurface(canvas, 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, kDifference_SkClipOp, 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;)
- }
|