6a34f3a0c7
Change-Id: I34ded4a4b9c4600eaf801eec121ca851e04a6c23 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211586 Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Herb Derby <herb@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkImage.h"
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#include "include/core/SkImageFilter.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkSurface.h"
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#include "include/effects/SkImageSource.h"
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#include "include/effects/SkTileImageFilter.h"
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#include <utility>
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static sk_sp<SkImage> create_circle_texture(int size, SkColor color) {
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auto surface(SkSurface::MakeRasterN32Premul(size, size));
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(0xFF000000);
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SkPaint paint;
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paint.setColor(color);
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paint.setStrokeWidth(3);
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawCircle(SkScalarHalf(size), SkScalarHalf(size), SkScalarHalf(size), paint);
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return surface->makeImageSnapshot();
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}
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namespace skiagm {
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class BigTileImageFilterGM : public GM {
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public:
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BigTileImageFilterGM() {
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this->setBGColor(0xFF000000);
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}
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protected:
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SkString onShortName() override {
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return SkString("bigtileimagefilter");
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}
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SkISize onISize() override{
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return SkISize::Make(kWidth, kHeight);
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}
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void onOnceBeforeDraw() override {
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fRedImage = create_circle_texture(kBitmapSize, SK_ColorRED);
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fGreenImage = create_circle_texture(kBitmapSize, SK_ColorGREEN);
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}
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void onDraw(SkCanvas* canvas) override {
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canvas->clear(SK_ColorBLACK);
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{
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SkPaint p;
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const SkRect bound = SkRect::MakeIWH(kWidth, kHeight);
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sk_sp<SkImageFilter> imageSource(SkImageSource::Make(fRedImage));
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sk_sp<SkImageFilter> tif(SkTileImageFilter::Make(
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SkRect::MakeIWH(kBitmapSize, kBitmapSize),
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SkRect::MakeIWH(kWidth, kHeight),
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std::move(imageSource)));
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p.setImageFilter(std::move(tif));
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canvas->saveLayer(&bound, &p);
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canvas->restore();
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}
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{
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SkPaint p2;
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const SkRect bound2 = SkRect::MakeIWH(kBitmapSize, kBitmapSize);
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sk_sp<SkImageFilter> tif(SkTileImageFilter::Make(
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SkRect::MakeIWH(kBitmapSize, kBitmapSize),
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SkRect::MakeIWH(kBitmapSize, kBitmapSize),
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nullptr));
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p2.setImageFilter(std::move(tif));
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canvas->translate(320, 320);
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canvas->saveLayer(&bound2, &p2);
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canvas->setMatrix(SkMatrix::I());
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SkRect bound3 = SkRect::MakeXYWH(320, 320,
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SkIntToScalar(kBitmapSize),
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SkIntToScalar(kBitmapSize));
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canvas->drawImageRect(fGreenImage.get(), bound2, bound3, nullptr,
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SkCanvas::kStrict_SrcRectConstraint);
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canvas->restore();
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}
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}
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private:
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static constexpr int kWidth = 512;
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static constexpr int kHeight = 512;
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static constexpr int kBitmapSize = 64;
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sk_sp<SkImage> fRedImage;
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sk_sp<SkImage> fGreenImage;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new BigTileImageFilterGM;)
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}
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