| /* |
| * Copyright 2020 Google LLC |
| * |
| * 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" |
| #ifdef SK_ENABLE_NDK_IMAGES |
| #include "include/core/SkColor.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkImageEncoder.h" |
| #include "include/core/SkImageGenerator.h" |
| #include "include/private/SkMalloc.h" |
| #include "src/images/SkImageEncoderPriv.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| #include "tools/ToolUtils.h" |
| |
| #include <stdint.h> |
| #include <vector> |
| |
| static const char* kPng = "png"; |
| static const char* kJpeg = "jpeg"; |
| static const char* kWebpLossless = "webp_lossless"; |
| static const char* kWebpLossy = "webp_lossy"; |
| |
| namespace { |
| static const struct { |
| SkEncodedImageFormat format; |
| int quality; |
| const char* name; |
| } gRecs[] = { |
| { SkEncodedImageFormat::kPNG, 100, kPng}, |
| { SkEncodedImageFormat::kJPEG, 100, kJpeg}, |
| { SkEncodedImageFormat::kWEBP, 100, kWebpLossless}, |
| { SkEncodedImageFormat::kWEBP, 80, kWebpLossy}, |
| }; |
| } |
| |
| static sk_sp<SkData> encode_ndk(const SkPixmap& pmap, SkEncodedImageFormat format, int quality) { |
| SkDynamicMemoryWStream stream; |
| return SkEncodeImageWithNDK(&stream, pmap, format, quality) ? stream.detachAsData() : nullptr; |
| } |
| |
| DEF_TEST(NdkEncode, r) { |
| for (auto ct : { kRGBA_8888_SkColorType, |
| kRGB_565_SkColorType, |
| kRGBA_F16_SkColorType }) { |
| SkBitmap bm; |
| bm.allocPixels(SkImageInfo::Make(10, 10, ct, kOpaque_SkAlphaType)); |
| bm.eraseColor(SK_ColorBLUE); |
| for (const auto& rec : gRecs) { |
| auto encoded = encode_ndk(bm.pixmap(), rec.format, rec.quality); |
| if (!encoded) { |
| ERRORF(r, "Failed to encode %s to %s\n", ToolUtils::colortype_name(ct), rec.name); |
| continue; |
| } |
| auto gen = SkImageGenerator::MakeFromEncoded(std::move(encoded)); |
| if (!gen) { |
| ERRORF(r, "Failed to decode from %s as %s\n", ToolUtils::colortype_name(ct), |
| rec.name); |
| continue; |
| } |
| |
| if (rec.name == kPng && bm.colorType() == kRGB_565_SkColorType) { |
| REPORTER_ASSERT(r, gen->getInfo().colorType() == kRGB_565_SkColorType); |
| } else { |
| REPORTER_ASSERT(r, gen->getInfo().colorType() == kN32_SkColorType); |
| } |
| |
| SkBitmap bm2; |
| bm2.allocPixels(bm.info()); |
| REPORTER_ASSERT(r, gen->getPixels(bm2.pixmap())); |
| |
| for (int x = 0; x < bm.width(); x++) |
| for (int y = 0; y < bm.height(); y++) { |
| SkColor orig = bm .getColor(x, y); |
| SkColor actual = bm2.getColor(x, y); |
| |
| REPORTER_ASSERT(r, SkColorGetA(orig) == SkColorGetA(actual)); |
| REPORTER_ASSERT(r, SkColorGetA(orig) == 0xFF); |
| |
| if (rec.name == kPng || rec.name == kWebpLossless) { |
| REPORTER_ASSERT(r, orig == actual); |
| } else { |
| int diffR = std::abs((int) SkColorGetR(orig) - (int) SkColorGetR(actual)); |
| int diffG = std::abs((int) SkColorGetG(orig) - (int) SkColorGetG(actual)); |
| int diffB = std::abs((int) SkColorGetB(orig) - (int) SkColorGetB(actual)); |
| REPORTER_ASSERT(r, diffR <= 2 && diffG <= 1 && diffB <= 1); |
| } |
| } |
| } |
| } |
| } |
| |
| DEF_TEST(NdkEncode_unsupportedFormats, r) { |
| for (auto ct : { kRGBA_8888_SkColorType, |
| kRGB_565_SkColorType, |
| kRGBA_F16_SkColorType }) { |
| SkBitmap bm; |
| bm.allocPixels(SkImageInfo::Make(10, 10, ct, kOpaque_SkAlphaType)); |
| bm.eraseColor(SK_ColorBLUE); |
| for (auto format : { SkEncodedImageFormat::kBMP, |
| SkEncodedImageFormat::kGIF, |
| SkEncodedImageFormat::kICO, |
| SkEncodedImageFormat::kWBMP, |
| SkEncodedImageFormat::kPKM, |
| SkEncodedImageFormat::kKTX, |
| SkEncodedImageFormat::kASTC, |
| SkEncodedImageFormat::kDNG, |
| SkEncodedImageFormat::kHEIF }) { |
| REPORTER_ASSERT(r, !encode_ndk(bm.pixmap(), format, 100)); |
| } |
| } |
| } |
| |
| DEF_TEST(NdkEncode_badQuality, r) { |
| for (auto ct : { kRGBA_8888_SkColorType, |
| kRGB_565_SkColorType, |
| kRGBA_F16_SkColorType }) { |
| SkBitmap bm; |
| bm.allocPixels(SkImageInfo::Make(10, 10, ct, kOpaque_SkAlphaType)); |
| bm.eraseColor(SK_ColorBLUE); |
| for (auto format : { SkEncodedImageFormat::kJPEG, |
| SkEncodedImageFormat::kPNG, |
| SkEncodedImageFormat::kWEBP }) { |
| for (int quality : {-1, -100, 101, 200}) { |
| REPORTER_ASSERT(r, !encode_ndk(bm.pixmap(), format, quality)); |
| } |
| } |
| } |
| } |
| |
| DEF_TEST(NdkEncode_nullPixels, r) { |
| for (auto info : { SkImageInfo::MakeUnknown(), |
| SkImageInfo::MakeN32Premul(10, 10), |
| SkImageInfo::MakeN32Premul(0, 0)}) { |
| SkPixmap pm(info, nullptr, info.minRowBytes()); |
| for (const auto& rec : gRecs) { |
| REPORTER_ASSERT(r, !encode_ndk(pm, rec.format, rec.quality)); |
| } |
| } |
| } |
| |
| DEF_TEST(NdkEncode_badInfo, r) { |
| // Allocate an arbitrary amount of memory. These infos don't have a natural |
| // amount to allocate, and the encoder shouldn't touch the memory anyway. |
| // But this allows us to verify that the bad info fails, even when the pixel |
| // pointer is not null. |
| void* pixels = sk_malloc_throw(1024); |
| std::vector<SkPixmap> pixmaps{ SkPixmap(SkImageInfo::MakeN32Premul(-10, 10), pixels, 1000), |
| SkPixmap(SkImageInfo::MakeN32Premul(10, -10), pixels, 200), |
| SkPixmap(SkImageInfo::MakeN32Premul(10, 10), pixels, 20), |
| SkPixmap(SkImageInfo::MakeN32Premul(10, 10), pixels, 41), |
| SkPixmap(SkImageInfo::MakeN32Premul(10, 10), pixels, 0), |
| SkPixmap(SkImageInfo::MakeN32Premul( 0, 0), pixels, 40)}; |
| if (sizeof(size_t) > sizeof(uint32_t)) { |
| pixmaps.emplace_back(SkImageInfo::MakeN32Premul(10, 10), pixels, |
| static_cast<size_t>(UINT32_MAX) + 1); |
| } |
| for (const auto& pm : pixmaps) { |
| for (const auto& rec : gRecs) { |
| REPORTER_ASSERT(r, !encode_ndk(pm, rec.format, rec.quality)); |
| } |
| } |
| free(pixels); |
| } |
| |
| DEF_TEST(NdkEncode_unsupportedColorTypes, r) { |
| for (SkColorType ct : { |
| kUnknown_SkColorType, |
| kAlpha_8_SkColorType, |
| kARGB_4444_SkColorType, |
| kRGB_888x_SkColorType, |
| kBGRA_8888_SkColorType, |
| kRGBA_1010102_SkColorType, |
| kBGRA_1010102_SkColorType, |
| kRGB_101010x_SkColorType, |
| kBGR_101010x_SkColorType, |
| kGray_8_SkColorType, |
| kRGBA_F16Norm_SkColorType, |
| kRGBA_F32_SkColorType, |
| kR8G8_unorm_SkColorType, |
| kA16_float_SkColorType, |
| kR16G16_float_SkColorType, |
| kA16_unorm_SkColorType, |
| kR16G16_unorm_SkColorType, |
| kR16G16B16A16_unorm_SkColorType, |
| }) { |
| auto info = SkImageInfo::Make(7, 13, ct, kOpaque_SkAlphaType, SkColorSpace::MakeSRGB()); |
| SkBitmap bm; |
| bm.allocPixels(info); |
| bm.eraseColor(SK_ColorGREEN); |
| for (const auto& rec : gRecs) { |
| REPORTER_ASSERT(r, !encode_ndk(bm.pixmap(), rec.format, rec.quality)); |
| } |
| if (!SkColorTypeIsAlwaysOpaque(ct)) { |
| for (auto at : { kPremul_SkAlphaType, kUnpremul_SkAlphaType}) { |
| info = info.makeAlphaType(at); |
| bm.allocPixels(info); |
| bm.eraseARGB(0x7F, 0xFF, 0xFF, 0xFF); |
| } |
| for (const auto& rec : gRecs) { |
| REPORTER_ASSERT(r, !encode_ndk(bm.pixmap(), rec.format, rec.quality)); |
| } |
| } |
| } |
| } |
| |
| DEF_TEST(NdkEncode_unsupportedAlphaTypes, r) { |
| for (auto ct : { kRGBA_8888_SkColorType, |
| kRGB_565_SkColorType, |
| kRGBA_F16_SkColorType }) { |
| for (auto at : { kUnknown_SkAlphaType, (SkAlphaType) -1}) { |
| auto info = SkImageInfo::Make(10, 10, ct, at); |
| size_t rowBytes = info.minRowBytes(); |
| void* pixels = sk_malloc_throw(info.computeByteSize(rowBytes)); |
| SkPixmap pm(info, pixels, rowBytes); |
| for (const auto& rec : gRecs) { |
| REPORTER_ASSERT(r, !encode_ndk(pm, rec.format, rec.quality)); |
| } |
| free(pixels); |
| } |
| } |
| } |
| |
| static constexpr skcms_TransferFunction k2Dot6 = {2.6f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f}; |
| |
| static constexpr skcms_Matrix3x3 kDCIP3 = {{ |
| {0.486143, 0.323835, 0.154234}, |
| {0.226676, 0.710327, 0.0629966}, |
| {0.000800549, 0.0432385, 0.78275}, |
| }}; |
| |
| |
| static bool nearly_equal(float a, float b) { |
| return fabs(a - b) < .002f; |
| } |
| |
| static bool nearly_equal(const skcms_TransferFunction& x, const skcms_TransferFunction& y) { |
| return nearly_equal(x.g, y.g) |
| && nearly_equal(x.a, y.a) |
| && nearly_equal(x.b, y.b) |
| && nearly_equal(x.c, y.c) |
| && nearly_equal(x.d, y.d) |
| && nearly_equal(x.e, y.e) |
| && nearly_equal(x.f, y.f); |
| } |
| |
| static bool nearly_equal(const skcms_Matrix3x3& a, const skcms_Matrix3x3& b) { |
| for (int i = 0; i < 3; i++) |
| for (int j = 0; j < 3; j++) { |
| if (!nearly_equal(a.vals[i][j], b.vals[i][j])) return false; |
| } |
| return true; |
| } |
| |
| static bool nearly_equal(SkColorSpace* a, SkColorSpace* b) { |
| skcms_TransferFunction fnA, fnB; |
| skcms_Matrix3x3 gamutA, gamutB; |
| return a && b && a->isNumericalTransferFn(&fnA) && a->toXYZD50(&gamutA) |
| && b->isNumericalTransferFn(&fnB) && b->toXYZD50(&gamutB) |
| && nearly_equal(fnA, fnB) && nearly_equal(gamutA, gamutB); |
| } |
| |
| DEF_TEST(NdkEncode_ColorSpace, r) { |
| const struct { |
| sk_sp<SkColorSpace> cs; |
| const char* name; |
| } colorSpaces[] = { |
| { sk_sp<SkColorSpace>(nullptr), "null" }, |
| { SkColorSpace::MakeSRGB(), "srgb" }, |
| { SkColorSpace::MakeSRGBLinear(), "srgb-linear"}, |
| { SkColorSpace::MakeRGB(SkNamedTransferFn::kRec2020, SkNamedGamut::kSRGB), "bt709" }, |
| { SkColorSpace::MakeRGB(SkNamedTransferFn::kRec2020, SkNamedGamut::kRec2020), "rec2020" }, |
| { SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kDisplayP3), "p3" }, |
| { SkColorSpace::MakeRGB(SkNamedTransferFn::k2Dot2, SkNamedGamut::kAdobeRGB), "adobeRGB"}, |
| { SkColorSpace::MakeRGB(k2Dot6, kDCIP3), "dci-p3" }, |
| }; |
| for (const auto& colorSpace : colorSpaces) { |
| for (auto ct : { kRGBA_8888_SkColorType, kRGB_565_SkColorType, kRGBA_F16_SkColorType }) { |
| SkBitmap bm; |
| bm.allocPixels(SkImageInfo::Make(10, 10, ct, kOpaque_SkAlphaType, colorSpace.cs)); |
| bm.eraseColor(SK_ColorRED); |
| |
| for (const auto& rec : gRecs) { |
| auto encoded = encode_ndk(bm.pixmap(), rec.format, rec.quality); |
| REPORTER_ASSERT(r, encoded); |
| auto gen = SkImageGenerator::MakeFromEncoded(std::move(encoded)); |
| REPORTER_ASSERT(r, gen); |
| |
| auto expected = colorSpace.cs ? colorSpace.cs : SkColorSpace::MakeSRGB(); |
| auto* actual = gen->getInfo().colorSpace(); |
| if (!nearly_equal(actual, expected.get())) { |
| const char* name = "unknown"; |
| for (auto named : colorSpaces) { |
| if (nearly_equal(actual, named.cs.get())) { |
| name = named.name; |
| break; |
| } |
| } |
| |
| ERRORF(r, "Mismatch: expected: %s\tactual:%s", colorSpace.name, name); |
| } |
| } |
| } |
| } |
| } |
| |
| DEF_TEST(NdkEncode_unsupportedColorSpace, r) { |
| std::vector<sk_sp<SkColorSpace>> unsupportedCs; |
| for (auto gamut : { SkNamedGamut::kSRGB, SkNamedGamut::kAdobeRGB, SkNamedGamut::kDisplayP3, |
| SkNamedGamut::kRec2020, SkNamedGamut::kXYZ }) { |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(SkNamedTransferFn::kPQ, gamut)); |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(SkNamedTransferFn::kHLG, gamut)); |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(k2Dot6, gamut)); |
| } |
| |
| for (auto gamut : { SkNamedGamut::kSRGB, SkNamedGamut::kDisplayP3, |
| SkNamedGamut::kRec2020, SkNamedGamut::kXYZ }) { |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(SkNamedTransferFn::k2Dot2, gamut)); |
| } |
| |
| for (auto gamut : { SkNamedGamut::kAdobeRGB, SkNamedGamut::kDisplayP3, |
| SkNamedGamut::kXYZ }) { |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(SkNamedTransferFn::kRec2020, gamut)); |
| } |
| |
| for (auto gamut : { SkNamedGamut::kAdobeRGB, SkNamedGamut::kDisplayP3, |
| SkNamedGamut::kRec2020, SkNamedGamut::kXYZ }) { |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(SkNamedTransferFn::kLinear, gamut)); |
| } |
| |
| for (auto gamut : { SkNamedGamut::kAdobeRGB, |
| SkNamedGamut::kRec2020, SkNamedGamut::kXYZ }) { |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, gamut)); |
| } |
| |
| for (auto fn : { SkNamedTransferFn::kSRGB, SkNamedTransferFn::k2Dot2, |
| SkNamedTransferFn::kLinear, SkNamedTransferFn::kRec2020 }) { |
| unsupportedCs.push_back(SkColorSpace::MakeRGB(fn, kDCIP3)); |
| } |
| |
| for (auto unsupported : unsupportedCs) { |
| for (auto ct : { kRGBA_8888_SkColorType, kRGB_565_SkColorType, kRGBA_F16_SkColorType }) { |
| SkBitmap bm; |
| bm.allocPixels(SkImageInfo::Make(10, 10, ct, kOpaque_SkAlphaType, unsupported)); |
| bm.eraseColor(SK_ColorBLUE); |
| |
| for (const auto& rec : gRecs) { |
| REPORTER_ASSERT(r, !encode_ndk(bm.pixmap(), rec.format, rec.quality)); |
| } |
| } |
| } |
| } |
| |
| #endif // SK_ENABLE_NDK_IMAGES |