898bbfac2e
Bug: skia:9280 Change-Id: Ic7ca3a9c86025128bc45b89ea90aa4553287b8c9 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230879 Commit-Queue: Michael Ludwig <michaelludwig@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
/*
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* Copyright 2017 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/SkImageInfo.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/SkImageFilters.h"
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#include "tools/ToolUtils.h"
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#include <initializer_list>
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#include <utility>
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static sk_sp<SkImage> make_image(SkCanvas* canvas, int direction) {
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SkImageInfo info = SkImageInfo::MakeN32Premul(250, 200);
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auto surface = ToolUtils::makeSurface(canvas, info);
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SkCanvas* c = surface->getCanvas();
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SkPaint paint;
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paint.setAntiAlias(true);
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const SkColor colors[] = {
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SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN, SK_ColorYELLOW, SK_ColorBLACK
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};
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int width = 25;
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bool xDirection = (direction & 0x1) == 1;
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bool yDirection = (direction & 0x2) == 2;
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if (xDirection) {
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for (int x = 0; x < info.width(); x += width) {
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paint.setColor(colors[x/width % 5]);
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if (yDirection) {
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paint.setAlphaf(0.5f);
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}
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c->drawRect(SkRect::MakeXYWH(x, 0, width, info.height()), paint);
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}
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}
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if (yDirection) {
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for (int y = 0; y < info.height(); y += width) {
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paint.setColor(colors[y/width % 5]);
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if (xDirection) {
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paint.setAlphaf(0.5f);
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}
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c->drawRect(SkRect::MakeXYWH(0, y, info.width(), width), paint);
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}
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}
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return surface->makeImageSnapshot();
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}
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static void draw_image(SkCanvas* canvas, const sk_sp<SkImage> image, sk_sp<SkImageFilter> filter) {
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SkAutoCanvasRestore acr(canvas, true);
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SkPaint paint;
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paint.setImageFilter(std::move(filter));
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canvas->translate(SkIntToScalar(30), 0);
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canvas->clipRect(SkRect::MakeIWH(image->width(),image->height()));
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canvas->drawImage(image, 0, 0, &paint);
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}
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namespace skiagm {
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// This GM draws a colorful grids with different blur settings.
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class ImageBlurRepeatModeGM : public GM {
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public:
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ImageBlurRepeatModeGM() {
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this->setBGColor(0xFFCCCCCC);
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}
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protected:
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SkString onShortName() override {
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return SkString("imageblurrepeatmode");
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}
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SkISize onISize() override {
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return SkISize::Make(850, 920);
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}
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bool runAsBench() const override { return true; }
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void onDraw(SkCanvas* canvas) override {
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sk_sp<SkImage> image[] =
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{ make_image(canvas, 1), make_image(canvas, 2), make_image(canvas, 3) };
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canvas->translate(0, 30);
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// Test different kernel size, including the one to launch 2d Gaussian
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// blur.
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for (auto sigma: { 0.6f, 3.0f, 8.0f, 20.0f }) {
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canvas->save();
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sk_sp<SkImageFilter> filter(
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SkImageFilters::Blur(sigma, 0.0f, SkTileMode::kRepeat, nullptr));
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draw_image(canvas, image[0], std::move(filter));
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canvas->translate(image[0]->width() + 20, 0);
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filter = SkImageFilters::Blur(0.0f, sigma, SkTileMode::kRepeat, nullptr);
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draw_image(canvas, image[1], std::move(filter));
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canvas->translate(image[1]->width() + 20, 0);
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filter = SkImageFilters::Blur(sigma, sigma, SkTileMode::kRepeat, nullptr);
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draw_image(canvas, image[2], std::move(filter));
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canvas->translate(image[2]->width() + 20, 0);
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canvas->restore();
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canvas->translate(0, image[0]->height() + 20);
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}
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}
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private:
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new ImageBlurRepeatModeGM;)
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}
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