| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkAlphaType.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkPixmap.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSurface.h" |
| #include "include/core/SkTypes.h" |
| #include "include/gpu/GpuTypes.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "tests/CtsEnforcement.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| |
| #include <cstdint> |
| #include <initializer_list> |
| |
| class SkPicture; |
| struct GrContextOptions; |
| |
| static void check_isopaque(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface, |
| bool expectedOpaque) { |
| sk_sp<SkImage> image(surface->makeImageSnapshot()); |
| REPORTER_ASSERT(reporter, image->isOpaque() == expectedOpaque); |
| } |
| |
| DEF_TEST(ImageIsOpaqueTest, reporter) { |
| SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5); |
| auto surfaceTransparent(SkSurface::MakeRaster(infoTransparent)); |
| check_isopaque(reporter, surfaceTransparent, false); |
| |
| SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType); |
| auto surfaceOpaque(SkSurface::MakeRaster(infoOpaque)); |
| check_isopaque(reporter, surfaceOpaque, true); |
| } |
| |
| DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(ImageIsOpaqueTest_Gpu, |
| reporter, |
| ctxInfo, |
| CtsEnforcement::kApiLevel_T) { |
| auto context = ctxInfo.directContext(); |
| SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5); |
| auto surfaceTransparent( |
| SkSurface::MakeRenderTarget(context, skgpu::Budgeted::kNo, infoTransparent)); |
| check_isopaque(reporter, surfaceTransparent, false); |
| |
| SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType); |
| auto surfaceOpaque(SkSurface::MakeRenderTarget(context, skgpu::Budgeted::kNo, infoOpaque)); |
| |
| check_isopaque(reporter, surfaceOpaque, true); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| #include "include/core/SkPictureRecorder.h" |
| |
| static sk_sp<SkPicture> make_picture() { |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording({ 0, 0, 10, 10 }); |
| canvas->drawColor(SK_ColorRED); |
| return recorder.finishRecordingAsPicture(); |
| } |
| |
| DEF_TEST(Image_isAlphaOnly, reporter) { |
| SkPMColor pmColors = 0; |
| SkPixmap pmap = { |
| SkImageInfo::MakeN32Premul(1, 1), |
| &pmColors, |
| sizeof(pmColors) |
| }; |
| for (auto& image : { |
| SkImage::MakeRasterCopy(pmap), |
| GetResourceAsImage("images/mandrill_128.png"), |
| GetResourceAsImage("images/color_wheel.jpg"), |
| SkImage::MakeFromPicture(make_picture(), { 10, 10 }, nullptr, nullptr, |
| SkImage::BitDepth::kU8, |
| SkColorSpace::MakeSRGB()), |
| }) |
| { |
| REPORTER_ASSERT(reporter, image->isAlphaOnly() == false); |
| } |
| |
| REPORTER_ASSERT(reporter, SkImage::MakeRasterCopy({ |
| SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1})->isAlphaOnly() == true); |
| } |