1/* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#include "SkData.h" 9#include "SkCanvas.h" 10#include "SkGraphics.h" 11#include "SkImageGenerator.h" 12#include "Test.h" 13 14static bool gMyFactoryWasCalled; 15 16static std::unique_ptr<SkImageGenerator> my_factory(sk_sp<SkData>) { 17 gMyFactoryWasCalled = true; 18 return nullptr; 19} 20 21static void test_imagegenerator_factory(skiatest::Reporter* reporter) { 22 // just need a non-empty data to test things 23 sk_sp<SkData> data(SkData::MakeWithCString("test_imagegenerator_factory")); 24 25 gMyFactoryWasCalled = false; 26 27 REPORTER_ASSERT(reporter, !gMyFactoryWasCalled); 28 29 std::unique_ptr<SkImageGenerator> gen = SkImageGenerator::MakeFromEncoded(data); 30 REPORTER_ASSERT(reporter, nullptr == gen); 31 REPORTER_ASSERT(reporter, !gMyFactoryWasCalled); 32 33 // Test is racy, in that it hopes no other thread is changing this global... 34 auto prev = SkGraphics::SetImageGeneratorFromEncodedDataFactory(my_factory); 35 gen = SkImageGenerator::MakeFromEncoded(data); 36 REPORTER_ASSERT(reporter, nullptr == gen); 37 REPORTER_ASSERT(reporter, gMyFactoryWasCalled); 38 SkGraphics::SetImageGeneratorFromEncodedDataFactory(prev); 39} 40 41class MyImageGenerator : public SkImageGenerator { 42public: 43 MyImageGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {} 44}; 45 46DEF_TEST(ImageGenerator, reporter) { 47 MyImageGenerator ig; 48 SkYUVSizeInfo sizeInfo; 49 sizeInfo.fSizes[SkYUVSizeInfo::kY] = SkISize::Make(200, 200); 50 sizeInfo.fSizes[SkYUVSizeInfo::kU] = SkISize::Make(100, 100); 51 sizeInfo.fSizes[SkYUVSizeInfo::kV] = SkISize::Make( 50, 50); 52 sizeInfo.fWidthBytes[SkYUVSizeInfo::kY] = 0; 53 sizeInfo.fWidthBytes[SkYUVSizeInfo::kU] = 0; 54 sizeInfo.fWidthBytes[SkYUVSizeInfo::kV] = 0; 55 void* planes[3] = { nullptr }; 56 SkYUVColorSpace colorSpace; 57 58 // Check that the YUV decoding API does not cause any crashes 59 ig.queryYUV8(&sizeInfo, nullptr); 60 ig.queryYUV8(&sizeInfo, &colorSpace); 61 sizeInfo.fWidthBytes[SkYUVSizeInfo::kY] = 250; 62 sizeInfo.fWidthBytes[SkYUVSizeInfo::kU] = 250; 63 sizeInfo.fWidthBytes[SkYUVSizeInfo::kV] = 250; 64 int dummy; 65 planes[SkYUVSizeInfo::kY] = planes[SkYUVSizeInfo::kU] = planes[SkYUVSizeInfo::kV] = &dummy; 66 ig.getYUV8Planes(sizeInfo, planes); 67 68 // Suppressed due to https://code.google.com/p/skia/issues/detail?id=4339 69 if (false) { 70 test_imagegenerator_factory(reporter); 71 } 72} 73 74#include "SkAutoMalloc.h" 75#include "SkPictureRecorder.h" 76 77static sk_sp<SkPicture> make_picture() { 78 SkPictureRecorder recorder; 79 recorder.beginRecording(100, 100)->drawColor(SK_ColorRED); 80 return recorder.finishRecordingAsPicture(); 81} 82 83DEF_TEST(PictureImageGenerator, reporter) { 84 const struct { 85 SkColorType fColorType; 86 SkAlphaType fAlphaType; 87 bool fExpectSuccess; 88 } recs[] = { 89 { kRGBA_8888_SkColorType, kPremul_SkAlphaType, kRGBA_8888_SkColorType == kN32_SkColorType }, 90 { kBGRA_8888_SkColorType, kPremul_SkAlphaType, kBGRA_8888_SkColorType == kN32_SkColorType }, 91 { kRGBA_F16_SkColorType, kPremul_SkAlphaType, true }, 92 93 { kRGBA_8888_SkColorType, kUnpremul_SkAlphaType, false }, 94 { kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, false }, 95 { kRGBA_F16_SkColorType, kUnpremul_SkAlphaType, false }, 96 }; 97 98 auto colorspace = SkColorSpace::MakeSRGB(); 99 auto picture = make_picture(); 100 auto gen = SkImageGenerator::MakeFromPicture({100, 100}, picture, nullptr, nullptr, 101 SkImage::BitDepth::kU8, colorspace); 102 103 // worst case for all requests 104 SkAutoMalloc storage(100 * 100 * SkColorTypeBytesPerPixel(kRGBA_F16_SkColorType)); 105 106 for (const auto& rec : recs) { 107 SkImageInfo info = SkImageInfo::Make(100, 100, rec.fColorType, rec.fAlphaType, colorspace); 108 bool success = gen->getPixels(info, storage.get(), info.minRowBytes()); 109 REPORTER_ASSERT(reporter, success == rec.fExpectSuccess); 110 } 111} 112 113