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79 lines
2.8 KiB
79 lines
2.8 KiB
/*
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* Copyright 2014 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 "include/core/SkTypes.h"
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#include "tests/Test.h"
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#include "tools/Resources.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkImage.h"
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#include "include/core/SkSurface.h"
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#include "include/gpu/GrDirectContext.h"
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#include "src/core/SkReadBuffer.h"
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#include "src/core/SkWriteBuffer.h"
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static void check_isopaque(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
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bool expectedOpaque) {
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sk_sp<SkImage> image(surface->makeImageSnapshot());
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REPORTER_ASSERT(reporter, image->isOpaque() == expectedOpaque);
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}
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DEF_TEST(ImageIsOpaqueTest, reporter) {
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SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
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auto surfaceTransparent(SkSurface::MakeRaster(infoTransparent));
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check_isopaque(reporter, surfaceTransparent, false);
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SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
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auto surfaceOpaque(SkSurface::MakeRaster(infoOpaque));
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check_isopaque(reporter, surfaceOpaque, true);
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}
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageIsOpaqueTest_Gpu, reporter, ctxInfo) {
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auto context = ctxInfo.directContext();
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SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
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auto surfaceTransparent(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, infoTransparent));
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check_isopaque(reporter, surfaceTransparent, false);
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SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
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auto surfaceOpaque(SkSurface::MakeRenderTarget(context,SkBudgeted::kNo, infoOpaque));
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check_isopaque(reporter, surfaceOpaque, true);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include "include/core/SkPictureRecorder.h"
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static sk_sp<SkPicture> make_picture() {
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SkPictureRecorder recorder;
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SkCanvas* canvas = recorder.beginRecording({ 0, 0, 10, 10 });
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canvas->drawColor(SK_ColorRED);
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return recorder.finishRecordingAsPicture();
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}
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DEF_TEST(Image_isAlphaOnly, reporter) {
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SkPMColor pmColors = 0;
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SkPixmap pmap = {
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SkImageInfo::MakeN32Premul(1, 1),
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&pmColors,
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sizeof(pmColors)
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};
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for (auto& image : {
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SkImage::MakeRasterCopy(pmap),
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GetResourceAsImage("images/mandrill_128.png"),
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GetResourceAsImage("images/color_wheel.jpg"),
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SkImage::MakeFromPicture(make_picture(), { 10, 10 }, nullptr, nullptr,
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SkImage::BitDepth::kU8,
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SkColorSpace::MakeSRGB()),
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})
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{
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REPORTER_ASSERT(reporter, image->isAlphaOnly() == false);
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}
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REPORTER_ASSERT(reporter, SkImage::MakeRasterCopy({
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SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1})->isAlphaOnly() == true);
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}
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