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- /*
- * Copyright 2012 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/SkBlendMode.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkColorSpace.h"
- #include "include/core/SkImage.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkPicture.h"
- #include "include/core/SkPictureRecorder.h"
- #include "include/core/SkPoint.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkScalar.h"
- #include "include/core/SkShader.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkSurface.h"
- #include "include/core/SkTileMode.h"
- #include "include/effects/SkGradientShader.h"
- static void draw(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
- const SkPoint center = { SkIntToScalar(width)/2, SkIntToScalar(height)/2 };
- const SkScalar radius = 40;
- SkPaint paint;
- paint.setShader(SkGradientShader::MakeRadial(center, radius, colors, nullptr, 2,
- SkTileMode::kMirror));
- paint.setBlendMode(SkBlendMode::kSrc);
- canvas->drawPaint(paint);
- }
- static sk_sp<SkImage> make_raster_image(int width, int height, SkColor colors[2]) {
- auto surface(SkSurface::MakeRasterN32Premul(width, height));
- draw(surface->getCanvas(), width, height, colors);
- return surface->makeImageSnapshot();
- }
- static sk_sp<SkImage> make_picture_image(int width, int height, SkColor colors[2]) {
- SkPictureRecorder recorder;
- draw(recorder.beginRecording(SkRect::MakeIWH(width, height)), width, height, colors);
- return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(),
- {width, height}, nullptr, nullptr,
- SkImage::BitDepth::kU8,
- SkColorSpace::MakeSRGB());
- }
- typedef sk_sp<SkImage> (*ImageMakerProc)(int width, int height, SkColor colors[2]);
- static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2],
- ImageMakerProc proc) {
- sk_sp<SkImage> image(proc(width, height, colors));
- SkPaint borderPaint;
- borderPaint.setStyle(SkPaint::kStroke_Style);
- SkRect dstRect = SkRect::MakeWH(128.f, 128.f);
- canvas->save();
- canvas->clipRect(dstRect);
- canvas->drawImage(image, 0, 0, nullptr);
- canvas->restore();
- canvas->drawRect(dstRect, borderPaint);
- dstRect.offset(SkIntToScalar(150), 0);
- int hw = width / 2;
- int hh = height / 2;
- SkIRect subset = SkIRect::MakeLTRB(hw - 64, hh - 32, hw + 64, hh + 32);
- canvas->drawImageRect(image, subset, dstRect, nullptr);
- canvas->drawRect(dstRect, borderPaint);
- dstRect.offset(SkIntToScalar(150), 0);
- canvas->drawImageRect(image, dstRect, nullptr);
- canvas->drawRect(dstRect, borderPaint);
- }
- class VeryLargeBitmapGM : public skiagm::GM {
- ImageMakerProc fProc;
- const char* fName;
- public:
- VeryLargeBitmapGM(ImageMakerProc proc, const char name[]) : fProc(proc), fName(name) {}
- private:
- SkString onShortName() override { return SkString(fName); }
- SkISize onISize() override { return {500, 600}; }
- void onDraw(SkCanvas* canvas) override {
- int veryBig = 65*1024; // 64K < size
- int big = 33*1024; // 32K < size < 64K
- // smaller than many max texture sizes, but large enough to gpu-tile for memory reasons.
- int medium = 5*1024;
- int small = 150;
- SkColor colors[2];
- canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
- colors[0] = SK_ColorRED;
- colors[1] = SK_ColorGREEN;
- show_image(canvas, small, small, colors, fProc);
- canvas->translate(0, SkIntToScalar(150));
- colors[0] = SK_ColorBLUE;
- colors[1] = SK_ColorMAGENTA;
- show_image(canvas, big, small, colors, fProc);
- canvas->translate(0, SkIntToScalar(150));
- colors[0] = SK_ColorMAGENTA;
- colors[1] = SK_ColorYELLOW;
- show_image(canvas, medium, medium, colors, fProc);
- canvas->translate(0, SkIntToScalar(150));
- colors[0] = SK_ColorGREEN;
- colors[1] = SK_ColorYELLOW;
- // This used to be big enough that we didn't draw on CPU, but now we do.
- show_image(canvas, veryBig, small, colors, fProc);
- }
- };
- DEF_GM( return new VeryLargeBitmapGM(make_raster_image, "verylargebitmap"); )
- DEF_GM( return new VeryLargeBitmapGM(make_picture_image, "verylarge_picture_image"); )
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