| /* |
| * 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" |
| #include "tools/ToolUtils.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(SkSurfaces::Raster(SkImageInfo::MakeN32Premul(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 SkImages::DeferredFromPicture(recorder.finishRecordingAsPicture(), |
| {width, height}, |
| nullptr, |
| nullptr, |
| SkImages::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 = ToolUtils::MakeTextureImage(canvas, proc(width, height, colors)); |
| if (!image) { |
| return; |
| } |
| |
| 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); |
| canvas->restore(); |
| canvas->drawRect(dstRect, borderPaint); |
| |
| dstRect.offset(SkIntToScalar(150), 0); |
| int hw = width / 2; |
| int hh = height / 2; |
| SkRect subset = SkRect::MakeLTRB(hw - 64, hh - 32, hw + 64, hh + 32); |
| canvas->drawImageRect(image, subset, dstRect, SkSamplingOptions(), nullptr, |
| SkCanvas::kStrict_SrcRectConstraint); |
| canvas->drawRect(dstRect, borderPaint); |
| |
| dstRect.offset(SkIntToScalar(150), 0); |
| canvas->drawImageRect(image, dstRect, SkSamplingOptions(), 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"); ) |