/* * 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/SkTypes.h" #include "tests/Test.h" #include "tools/Resources.h" #include "include/core/SkCanvas.h" #include "include/core/SkImage.h" #include "include/core/SkSurface.h" #include "include/gpu/GrDirectContext.h" #include "src/core/SkReadBuffer.h" #include "src/core/SkWriteBuffer.h" 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_GPUTEST_FOR_RENDERING_CONTEXTS(ImageIsOpaqueTest_Gpu, reporter, ctxInfo) { auto context = ctxInfo.directContext(); SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5); auto surfaceTransparent(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, infoTransparent)); check_isopaque(reporter, surfaceTransparent, false); SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType); auto surfaceOpaque(SkSurface::MakeRenderTarget(context,SkBudgeted::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); }