diff options
| -rw-r--r-- | gyp/images.gyp | 2 | ||||
| -rw-r--r-- | include/images/SkDecodingImageGenerator.h | 119 | ||||
| -rw-r--r-- | src/images/SkDecodingImageGenerator.cpp | 288 | ||||
| -rw-r--r-- | tests/ImageDecodingTest.cpp | 732 | ||||
| -rw-r--r-- | tests/JpegTest.cpp | 604 | ||||
| -rw-r--r-- | tests/YUVTest.cpp | 121 |
6 files changed, 121 insertions, 1745 deletions
diff --git a/gyp/images.gyp b/gyp/images.gyp index 1c434ae9bf..8dbca85153 100644 --- a/gyp/images.gyp +++ b/gyp/images.gyp @@ -30,7 +30,6 @@ '../src/image/', ], 'sources': [ - '../include/images/SkDecodingImageGenerator.h', '../include/images/SkForceLinking.h', '../src/images/SkJpegUtility.h', '../include/images/SkMovie.h', @@ -39,7 +38,6 @@ '../src/images/bmpdecoderhelper.cpp', '../src/images/bmpdecoderhelper.h', - '../src/images/SkDecodingImageGenerator.cpp', '../src/images/SkForceLinking.cpp', '../src/images/SkImageDecoder.cpp', '../src/images/SkImageDecoder_FactoryDefault.cpp', diff --git a/include/images/SkDecodingImageGenerator.h b/include/images/SkDecodingImageGenerator.h deleted file mode 100644 index 0a5ec56fe8..0000000000 --- a/include/images/SkDecodingImageGenerator.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef SkDecodingImageGenerator_DEFINED -#define SkDecodingImageGenerator_DEFINED - -#include "SkBitmap.h" -#include "SkImageGenerator.h" - -class SkData; -class SkStreamRewindable; - -/** - * An implementation of SkImageGenerator that calls into - * SkImageDecoder. - */ -namespace SkDecodingImageGenerator { - /** - * These options will be passed on to the image decoder. The - * defaults are sensible. - * - * @param fSampleSize If set to > 1, tells the decoder to return a - * smaller than original bitmap, sampling 1 pixel for - * every size pixels. e.g. if sample size is set to 3, - * then the returned bitmap will be 1/3 as wide and high, - * and will contain 1/9 as many pixels as the original. - * Note: this is a hint, and the codec may choose to - * ignore this, or only approximate the sample size. - * - * @param fDitherImage Set to true if the the decoder should try to - * dither the resulting image when decoding to a smaller - * color-space. The default is true. - * - * @param fRequestedColorType If not given, then use whichever - * config the decoder wants. Else try to use this color - * type. If the decoder won't support this color type, - * SkDecodingImageGenerator::Create will return - * NULL. kIndex_8_SkColorType is not supported. - * - * @param fRequireUnpremul If true, the decoder will attempt to - * decode without premultiplying the alpha. If it cannot, - * the pixels will be set to NULL. - */ - struct Options { - Options() - : fSampleSize(1) - , fDitherImage(true) - , fUseRequestedColorType(false) - , fRequestedColorType() - , fRequireUnpremul(false) { } - Options(int sampleSize, bool dither) - : fSampleSize(sampleSize) - , fDitherImage(dither) - , fUseRequestedColorType(false) - , fRequestedColorType() - , fRequireUnpremul(false) { } - Options(int sampleSize, bool dither, SkColorType colorType) - : fSampleSize(sampleSize) - , fDitherImage(dither) - , fUseRequestedColorType(true) - , fRequestedColorType(colorType) - , fRequireUnpremul(false) { } - Options(int sampleSize, bool dither, SkColorType colorType, - bool requireUnpremul) - : fSampleSize(sampleSize) - , fDitherImage(dither) - , fUseRequestedColorType(true) - , fRequestedColorType(colorType) - , fRequireUnpremul(requireUnpremul) { } - const int fSampleSize; - const bool fDitherImage; - const bool fUseRequestedColorType; - const SkColorType fRequestedColorType; - const bool fRequireUnpremul; - }; - - /** - * These two functions return a SkImageGenerator that calls into - * SkImageDecoder. They return NULL on failure. - * - * The SkData version of this function is preferred. If the stream - * has an underlying SkData (such as a SkMemoryStream) pass that in. - * - * This object, if non-NULL, takes ownership of stream and deletes stream - * upon deletion. If NULL is returned, stream is deleted immediately. - * - * @param Options (see above) - * - * @return NULL on failure, a new SkImageGenerator on success. - */ - SkImageGenerator* Create(SkStreamRewindable* stream, - const Options& opt); - - /** - * @param data Contains the encoded image data that will be used by - * the SkDecodingImageGenerator. Will be ref()ed by the - * SkImageGenerator constructor and and unref()ed on deletion. - */ - SkImageGenerator* Create(SkData* data, const Options& opt); -}; - -// // Example of most basic use case: -// -// bool install_data(SkData* data, SkBitmap* dst) { -// return SkInstallDiscardablePixelRef( -// SkDecodingImageGenerator::Create( -// data, SkDecodingImageGenerator::Options()), dst, NULL); -// } -// bool install_stream(SkStreamRewindable* stream, SkBitmap* dst) { -// return SkInstallDiscardablePixelRef( -// SkDecodingImageGenerator::Create( -// stream, SkDecodingImageGenerator::Options()), dst, NULL); -// } - -#endif // SkDecodingImageGenerator_DEFINED diff --git a/src/images/SkDecodingImageGenerator.cpp b/src/images/SkDecodingImageGenerator.cpp deleted file mode 100644 index 8d55bd36c7..0000000000 --- a/src/images/SkDecodingImageGenerator.cpp +++ /dev/null @@ -1,288 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "SkData.h" -#include "SkDecodingImageGenerator.h" -#include "SkImageDecoder.h" -#include "SkImageInfo.h" -#include "SkImageGenerator.h" -#include "SkImagePriv.h" -#include "SkStream.h" -#include "SkUtils.h" - -namespace { -bool equal_modulo_alpha(const SkImageInfo& a, const SkImageInfo& b) { - return a.width() == b.width() && a.height() == b.height() && - a.colorType() == b.colorType(); -} - -class DecodingImageGenerator : public SkImageGenerator { -public: - virtual ~DecodingImageGenerator(); - - SkData* fData; - SkAutoTDelete<SkStreamRewindable> fStream; - const SkImageInfo fInfo; - const int fSampleSize; - const bool fDitherImage; - - DecodingImageGenerator(SkData* data, - SkStreamRewindable* stream, - const SkImageInfo& info, - int sampleSize, - bool ditherImage); - -protected: - SkData* onRefEncodedData(SK_REFENCODEDDATA_CTXPARAM) override; - bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, - SkPMColor ctable[], int* ctableCount) override; - bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3], - SkYUVColorSpace* colorSpace) override; - -private: - typedef SkImageGenerator INHERITED; -}; - -/** - * Special allocator used by getPixels(). Uses preallocated memory - * provided if possible, else fall-back on the default allocator - */ -class TargetAllocator : public SkBitmap::Allocator { -public: - TargetAllocator(const SkImageInfo& info, - void* target, - size_t rowBytes) - : fInfo(info) - , fTarget(target) - , fRowBytes(rowBytes) - {} - - bool isReady() { return (fTarget != nullptr); } - - virtual bool allocPixelRef(SkBitmap* bm, SkColorTable* ct) { - if (nullptr == fTarget || !equal_modulo_alpha(fInfo, bm->info())) { - // Call default allocator. - return bm->tryAllocPixels(nullptr, ct); - } - - // TODO(halcanary): verify that all callers of this function - // will respect new RowBytes. Will be moot once rowbytes belongs - // to PixelRef. - bm->installPixels(fInfo, fTarget, fRowBytes, ct, nullptr, nullptr); - - fTarget = nullptr; // never alloc same pixels twice! - return true; - } - -private: - const SkImageInfo fInfo; - void* fTarget; // Block of memory to be supplied as pixel memory - // in allocPixelRef. Must be large enough to hold - // a bitmap described by fInfo and fRowBytes - const size_t fRowBytes; // rowbytes for the destination bitmap - - typedef SkBitmap::Allocator INHERITED; -}; - -// TODO(halcanary): Give this macro a better name and move it into SkTypes.h -#ifdef SK_DEBUG - #define SkCheckResult(expr, value) SkASSERT((value) == (expr)) -#else - #define SkCheckResult(expr, value) (void)(expr) -#endif - -#ifdef SK_DEBUG -inline bool check_alpha(SkAlphaType reported, SkAlphaType actual) { - return ((reported == actual) - || ((reported == kPremul_SkAlphaType) - && (actual == kOpaque_SkAlphaType))); -} -#endif // SK_DEBUG - -//////////////////////////////////////////////////////////////////////////////// - -DecodingImageGenerator::DecodingImageGenerator( - SkData* data, - SkStreamRewindable* stream, - const SkImageInfo& info, - int sampleSize, - bool ditherImage) - : INHERITED(info) - , fData(data) - , fStream(stream) - , fInfo(info) - , fSampleSize(sampleSize) - , fDitherImage(ditherImage) -{ - SkASSERT(stream != nullptr); - SkSafeRef(fData); // may be nullptr. -} - -DecodingImageGenerator::~DecodingImageGenerator() { - SkSafeUnref(fData); -} - -SkData* DecodingImageGenerator::onRefEncodedData(SK_REFENCODEDDATA_CTXPARAM) { - // This functionality is used in `gm --serialize` - // Does not encode options. - if (nullptr == fData) { - // TODO(halcanary): SkStreamRewindable needs a refData() function - // which returns a cheap copy of the underlying data. - if (!fStream->rewind()) { - return nullptr; - } - size_t length = fStream->getLength(); - if (length) { - fData = SkData::NewFromStream(fStream, length); - } - } - return SkSafeRef(fData); -} - -bool DecodingImageGenerator::onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, - SkPMColor ctableEntries[], int* ctableCount) { - if (fInfo != info) { - // The caller has specified a different info. This is an - // error for this kind of SkImageGenerator. Use the Options - // to change the settings. - return false; - } - - SkAssertResult(fStream->rewind()); - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStream)); - if (nullptr == decoder.get()) { - return false; - } - decoder->setDitherImage(fDitherImage); - decoder->setSampleSize(fSampleSize); - decoder->setRequireUnpremultipliedColors(info.alphaType() == kUnpremul_SkAlphaType); - - SkBitmap bitmap; - TargetAllocator allocator(fInfo, pixels, rowBytes); - decoder->setAllocator(&allocator); - const SkImageDecoder::Result decodeResult = decoder->decode(fStream, &bitmap, info.colorType(), - SkImageDecoder::kDecodePixels_Mode); - decoder->setAllocator(nullptr); - if (SkImageDecoder::kFailure == decodeResult) { - return false; - } - if (allocator.isReady()) { // Did not use pixels! - SkBitmap bm; - SkASSERT(bitmap.canCopyTo(info.colorType())); - bool copySuccess = bitmap.copyTo(&bm, info.colorType(), &allocator); - if (!copySuccess || allocator.isReady()) { - SkDEBUGFAIL("bitmap.copyTo(requestedConfig) failed."); - // Earlier we checked canCopyto(); we expect consistency. - return false; - } - SkASSERT(check_alpha(info.alphaType(), bm.alphaType())); - } else { - SkASSERT(check_alpha(info.alphaType(), bitmap.alphaType())); - } - - if (kIndex_8_SkColorType == info.colorType()) { - if (kIndex_8_SkColorType != bitmap.colorType()) { - // they asked for Index8, but we didn't receive that from decoder - return false; - } - SkColorTable* ctable = bitmap.getColorTable(); - if (nullptr == ctable) { - return false; - } - const int count = ctable->count(); - memcpy(ctableEntries, ctable->readColors(), count * sizeof(SkPMColor)); - *ctableCount = count; - } - return true; -} - -bool DecodingImageGenerator::onGetYUV8Planes(SkISize sizes[3], void* planes[3], - size_t rowBytes[3], SkYUVColorSpace* colorSpace) { - if (!fStream->rewind()) { - return false; - } - - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStream)); - if (nullptr == decoder.get()) { - return false; - } - - return decoder->decodeYUV8Planes(fStream, sizes, planes, rowBytes, colorSpace); -} - -// A contructor-type function that returns nullptr on failure. This -// prevents the returned SkImageGenerator from ever being in a bad -// state. Called by both Create() functions -SkImageGenerator* CreateDecodingImageGenerator( - SkData* data, - SkStreamRewindable* stream, - const SkDecodingImageGenerator::Options& opts) { - SkASSERT(stream); - SkAutoTDelete<SkStreamRewindable> autoStream(stream); // always delete this - SkAssertResult(autoStream->rewind()); - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(autoStream)); - if (nullptr == decoder.get()) { - return nullptr; - } - SkBitmap bitmap; - decoder->setSampleSize(opts.fSampleSize); - decoder->setRequireUnpremultipliedColors(opts.fRequireUnpremul); - if (!decoder->decode(stream, &bitmap, SkImageDecoder::kDecodeBounds_Mode)) { - return nullptr; - } - if (kUnknown_SkColorType == bitmap.colorType()) { - return nullptr; - } - - SkImageInfo info = bitmap.info(); - - if (opts.fUseRequestedColorType && (opts.fRequestedColorType != info.colorType())) { - if (!bitmap.canCopyTo(opts.fRequestedColorType)) { - SkASSERT(bitmap.colorType() != opts.fRequestedColorType); - return nullptr; // Can not translate to needed config. - } - info = info.makeColorType(opts.fRequestedColorType); - } - - if (opts.fRequireUnpremul && info.alphaType() != kOpaque_SkAlphaType) { - info = info.makeAlphaType(kUnpremul_SkAlphaType); - } - - SkAlphaType newAlphaType = info.alphaType(); - if (!SkColorTypeValidateAlphaType(info.colorType(), info.alphaType(), &newAlphaType)) { - return nullptr; - } - - return new DecodingImageGenerator(data, autoStream.detach(), info.makeAlphaType(newAlphaType), - opts.fSampleSize, opts.fDitherImage); -} - -} // namespace - -//////////////////////////////////////////////////////////////////////////////// - -SkImageGenerator* SkDecodingImageGenerator::Create( - SkData* data, - const SkDecodingImageGenerator::Options& opts) { - SkASSERT(data != nullptr); - if (nullptr == data) { - return nullptr; - } - SkStreamRewindable* stream = new SkMemoryStream(data); - SkASSERT(stream != nullptr); - return CreateDecodingImageGenerator(data, stream, opts); -} - -SkImageGenerator* SkDecodingImageGenerator::Create( - SkStreamRewindable* stream, - const SkDecodingImageGenerator::Options& opts) { - SkASSERT(stream != nullptr); - if (stream == nullptr) { - return nullptr; - } - return CreateDecodingImageGenerator(nullptr, stream, opts); -} diff --git a/tests/ImageDecodingTest.cpp b/tests/ImageDecodingTest.cpp deleted file mode 100644 index 560fda5374..0000000000 --- a/tests/ImageDecodingTest.cpp +++ /dev/null @@ -1,732 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "Resources.h" -#include "SkBitmap.h" -#include "SkCanvas.h" -#include "SkColor.h" -#include "SkColorPriv.h" -#include "SkData.h" -#include "SkDecodingImageGenerator.h" -#include "SkDiscardableMemoryPool.h" -#include "SkForceLinking.h" -#include "SkGradientShader.h" -#include "SkImageDecoder.h" -#include "SkImageEncoder.h" -#include "SkImageGeneratorPriv.h" -#include "SkImagePriv.h" -#include "SkOSFile.h" -#include "SkPoint.h" -#include "SkShader.h" -#include "SkStream.h" -#include "SkString.h" -#include "Test.h" - -__SK_FORCE_IMAGE_DECODER_LINKING; - -/** - * Interprets c as an unpremultiplied color, and returns the - * premultiplied equivalent. - */ -static SkPMColor premultiply_unpmcolor(SkPMColor c) { - U8CPU a = SkGetPackedA32(c); - U8CPU r = SkGetPackedR32(c); - U8CPU g = SkGetPackedG32(c); - U8CPU b = SkGetPackedB32(c); - return SkPreMultiplyARGB(a, r, g, b); -} - -/** - * Return true if this stream format should be skipped, due - * to do being an opaque format or not a valid format. - */ -static bool skip_image_format(SkImageDecoder::Format format) { - switch (format) { - case SkImageDecoder::kPNG_Format: - case SkImageDecoder::kWEBP_Format: - return false; - // Skip unknown since it will not be decoded anyway. - case SkImageDecoder::kUnknown_Format: - // Technically ICO and BMP supports alpha channels, but our image - // decoders do not, so skip them as well. - case SkImageDecoder::kICO_Format: - case SkImageDecoder::kBMP_Format: - // KTX and ASTC are texture formats so it's not particularly clear how to - // decode the alpha from them. - case SkImageDecoder::kKTX_Format: - case SkImageDecoder::kASTC_Format: - // The rest of these are opaque. - case SkImageDecoder::kPKM_Format: - case SkImageDecoder::kWBMP_Format: - case SkImageDecoder::kGIF_Format: - case SkImageDecoder::kJPEG_Format: - return true; - } - SkASSERT(false); - return true; -} - -/** - * Test decoding an image in premultiplied mode and unpremultiplied mode and compare - * them. - */ -static void compare_unpremul(skiatest::Reporter* reporter, const SkString& filename) { - // Decode a resource: - SkBitmap bm8888; - SkBitmap bm8888Unpremul; - - SkFILEStream stream(filename.c_str()); - - SkImageDecoder::Format format = SkImageDecoder::GetStreamFormat(&stream); - if (skip_image_format(format)) { - return; - } - - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(&stream)); - if (nullptr == decoder.get()) { - SkDebugf("couldn't decode %s\n", filename.c_str()); - return; - } - - bool success = decoder->decode(&stream, &bm8888, kN32_SkColorType, - SkImageDecoder::kDecodePixels_Mode) != SkImageDecoder::kFailure; - if (!success) { - return; - } - - success = stream.rewind(); - REPORTER_ASSERT(reporter, success); - if (!success) { - return; - } - - decoder->setRequireUnpremultipliedColors(true); - success = decoder->decode(&stream, &bm8888Unpremul, kN32_SkColorType, - SkImageDecoder::kDecodePixels_Mode) != SkImageDecoder::kFailure; - if (!success) { - return; - } - - bool dimensionsMatch = bm8888.width() == bm8888Unpremul.width() - && bm8888.height() == bm8888Unpremul.height(); - REPORTER_ASSERT(reporter, dimensionsMatch); - if (!dimensionsMatch) { - return; - } - - // Only do the comparison if the two bitmaps are both 8888. - if (bm8888.colorType() != kN32_SkColorType || bm8888Unpremul.colorType() != kN32_SkColorType) { - return; - } - - // Now compare the two bitmaps. - for (int i = 0; i < bm8888.width(); ++i) { - for (int j = 0; j < bm8888.height(); ++j) { - // "c0" is the color of the premultiplied bitmap at (i, j). - const SkPMColor c0 = *bm8888.getAddr32(i, j); - // "c1" is the result of premultiplying the color of the unpremultiplied - // bitmap at (i, j). - const SkPMColor c1 = premultiply_unpmcolor(*bm8888Unpremul.getAddr32(i, j)); - // Compute the difference for each component. - int da = SkAbs32(SkGetPackedA32(c0) - SkGetPackedA32(c1)); - int dr = SkAbs32(SkGetPackedR32(c0) - SkGetPackedR32(c1)); - int dg = SkAbs32(SkGetPackedG32(c0) - SkGetPackedG32(c1)); - int db = SkAbs32(SkGetPackedB32(c0) - SkGetPackedB32(c1)); - - // Alpha component must be exactly the same. - REPORTER_ASSERT(reporter, 0 == da); - - // Color components may not match exactly due to rounding error. - REPORTER_ASSERT(reporter, dr <= 1); - REPORTER_ASSERT(reporter, dg <= 1); - REPORTER_ASSERT(reporter, db <= 1); - } - } -} - -static void test_unpremul(skiatest::Reporter* reporter) { - // This test cannot run if there is no resource path. - SkString resourcePath = GetResourcePath(); - if (resourcePath.isEmpty()) { - SkDebugf("Could not run unpremul test because resourcePath not specified."); - return; - } - SkOSFile::Iter iter(resourcePath.c_str()); - SkString basename; - if (iter.next(&basename)) { - do { - SkString filename = SkOSPath::Join(resourcePath.c_str(), basename.c_str()); - // SkDebugf("about to decode \"%s\"\n", filename.c_str()); - compare_unpremul(reporter, filename); - } while (iter.next(&basename)); - } else { - SkDebugf("Failed to find any files :(\n"); - } -} - -#if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX) -// Test that the alpha type is what we expect. -static void test_alphaType(skiatest::Reporter* reporter, const SkString& filename, - bool requireUnpremul) { - SkBitmap bm; - SkFILEStream stream(filename.c_str()); - - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(&stream)); - if (nullptr == decoder.get()) { - return; - } - - decoder->setRequireUnpremultipliedColors(requireUnpremul); - - // Decode just the bounds. This should always succeed. - bool success = decoder->decode(&stream, &bm, kN32_SkColorType, - SkImageDecoder::kDecodeBounds_Mode); - REPORTER_ASSERT(reporter, success); - if (!success) { - return; - } - - // Keep track of the alpha type for testing later. If the full decode - // succeeds, the alpha type should be the same, unless the full decode - // determined that the alpha type should actually be opaque, which may - // not be known when only decoding the bounds. - const SkAlphaType boundsAlphaType = bm.alphaType(); - - // rewind should always succeed on SkFILEStream. - success = stream.rewind(); - REPORTER_ASSERT(reporter, success); - if (!success) { - return; - } - - success = decoder->decode(&stream, &bm, kN32_SkColorType, SkImageDecoder::kDecodePixels_Mode); - - if (!success) { - // When the decoder is set to require unpremul, if it does not support - // unpremul it will fail. This is the only reason the decode should - // fail (since we know the files we are using to test can be decoded). - REPORTER_ASSERT(reporter, requireUnpremul); - return; - } - - // The bounds decode should return with either the requested - // premul/unpremul or opaque, if that value could be determined when only - // decoding the bounds. - if (requireUnpremul) { - REPORTER_ASSERT(reporter, kUnpremul_SkAlphaType == boundsAlphaType - || kOpaque_SkAlphaType == boundsAlphaType - || filename.endsWith(".ico")); - // TODO(halcanary): Find out why color_wheel.ico fails this test. - } else { - REPORTER_ASSERT(reporter, kPremul_SkAlphaType == boundsAlphaType - || kOpaque_SkAlphaType == boundsAlphaType); - } - - // When decoding the full image, the alpha type should match the one - // returned by the bounds decode, unless the full decode determined that - // the alpha type is actually opaque. - REPORTER_ASSERT(reporter, bm.alphaType() == boundsAlphaType - || bm.alphaType() == kOpaque_SkAlphaType); -} - -DEF_TEST(ImageDecoding_alphaType, reporter) { - SkString resourcePath = GetResourcePath(); - if (resourcePath.isEmpty()) { - SkDebugf("Could not run alphaType test because resourcePath not specified."); - return; - } - - SkOSFile::Iter iter(resourcePath.c_str()); - SkString basename; - if (iter.next(&basename)) { - do { - SkString filename = SkOSPath::Join(resourcePath.c_str(), basename.c_str()); - for (int truth = 0; truth <= 1; ++truth) { - test_alphaType(reporter, filename, SkToBool(truth)); - } - } while (iter.next(&basename)); - } else { - SkDebugf("Failed to find any files :(\n"); - } - -} - -// Using known images, test that decoding into unpremul and premul behave as expected. -DEF_TEST(ImageDecoding_unpremul, reporter) { - SkString resourcePath = GetResourcePath(); - if (resourcePath.isEmpty()) { - SkDebugf("Could not run unpremul test because resourcePath not specified."); - return; - } - const char* root = "half-transparent-white-pixel"; - const char* suffixes[] = { ".png", ".webp" }; - - for (size_t i = 0; i < SK_ARRAY_COUNT(suffixes); ++i) { - SkString basename = SkStringPrintf("%s%s", root, suffixes[i]); - SkString fullName = SkOSPath::Join(resourcePath.c_str(), basename.c_str()); - - SkBitmap bm; - SkFILEStream stream(fullName.c_str()); - - if (!stream.isValid()) { - SkDebugf("file %s missing from resource directoy %s\n", - basename.c_str(), resourcePath.c_str()); - continue; - } - - // This should never fail since we know the images we're decoding. - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(&stream)); - REPORTER_ASSERT(reporter, decoder.get()); - if (nullptr == decoder.get()) { - continue; - } - - // Test unpremultiplied. We know what color this should result in. - decoder->setRequireUnpremultipliedColors(true); - bool success = decoder->decode(&stream, &bm, kN32_SkColorType, - SkImageDecoder::kDecodePixels_Mode); - REPORTER_ASSERT(reporter, success); - if (!success) { - continue; - } - - REPORTER_ASSERT(reporter, bm.width() == 1 && bm.height() == 1); - { - SkAutoLockPixels alp(bm); - REPORTER_ASSERT(reporter, bm.getAddr32(0, 0)[0] == 0x7fffffff); - } - - success = stream.rewind(); - REPORTER_ASSERT(reporter, success); - if (!success) { - continue; - } - - // Test premultiplied. Once again, we know which color this should - // result in. - decoder->setRequireUnpremultipliedColors(false); - success = decoder->decode(&stream, &bm, kN32_SkColorType, - SkImageDecoder::kDecodePixels_Mode); - REPORTER_ASSERT(reporter, success); - if (!success) { - continue; - } - - REPORTER_ASSERT(reporter, bm.width() == 1 && bm.height() == 1); - { - SkAutoLockPixels alp(bm); - REPORTER_ASSERT(reporter, bm.getAddr32(0, 0)[0] == 0x7f7f7f7f); - } - } -} -#endif // SK_BUILD_FOR_UNIX/ANDROID https://bug.skia.org/2388 - -#ifdef SK_DEBUG -// Test inside SkScaledBitmapSampler.cpp -extern void test_row_proc_choice(); -#endif // SK_DEBUG - -DEF_TEST(ImageDecoding, reporter) { - test_unpremul(reporter); -#ifdef SK_DEBUG - test_row_proc_choice(); -#endif -} - -// expected output for 8x8 bitmap -static const int kExpectedWidth = 8; -static const int kExpectedHeight = 8; -static const SkColor kExpectedPixels[] = { - 0xffbba570, 0xff395f5d, 0xffe25c39, 0xff197666, - 0xff3cba27, 0xffdefcb0, 0xffc13874, 0xfffa0093, - 0xffbda60e, 0xffc01db6, 0xff2bd688, 0xff9362d4, - 0xffc641b2, 0xffa5cede, 0xff606eba, 0xff8f4bf3, - 0xff3bf742, 0xff8f02a8, 0xff5509df, 0xffc7027e, - 0xff24aa8a, 0xff886c96, 0xff625481, 0xff403689, - 0xffc52152, 0xff78ccd6, 0xffdcb4ab, 0xff09d27d, - 0xffca00f3, 0xff605d47, 0xff446fb2, 0xff576e46, - 0xff273df9, 0xffb41a83, 0xfff812c3, 0xffccab67, - 0xff034218, 0xff7db9a7, 0xff821048, 0xfffe4ab4, - 0xff6fac98, 0xff941d27, 0xff5fe411, 0xfffbb283, - 0xffd86e99, 0xff169162, 0xff71128c, 0xff39cab4, - 0xffa7fe63, 0xff4c956b, 0xffbc22e0, 0xffb272e4, - 0xff129f4a, 0xffe34513, 0xff3d3742, 0xffbd190a, - 0xffb07222, 0xff2e23f8, 0xfff089d9, 0xffb35738, - 0xffa86022, 0xff3340fe, 0xff95fe71, 0xff6a71df -}; -static_assert((kExpectedWidth * kExpectedHeight) == SK_ARRAY_COUNT(kExpectedPixels), - "array_size_mismatch"); - -static bool decode_into_bitmap(skiatest::Reporter* r, SkBitmap* bm, SkData* encoded) { - SkAutoTDelete<SkImageGenerator> gen(SkImageGenerator::NewFromEncoded(encoded)); - if (!gen) { - REPORTER_ASSERT(r, false); - return false; - } - if (!gen->tryGenerateBitmap(bm)) { - REPORTER_ASSERT(r, false); - return false; - } - return true; -} - -DEF_TEST(WebP, reporter) { - const unsigned char encodedWebP[] = { - 0x52, 0x49, 0x46, 0x46, 0x2c, 0x01, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50, - 0x56, 0x50, 0x38, 0x4c, 0x20, 0x01, 0x00, 0x00, 0x2f, 0x07, 0xc0, 0x01, - 0x00, 0xff, 0x01, 0x45, 0x03, 0x00, 0xe2, 0xd5, 0xae, 0x60, 0x2b, 0xad, - 0xd9, 0x68, 0x76, 0xb6, 0x8d, 0x6a, 0x1d, 0xc0, 0xe6, 0x19, 0xd6, 0x16, - 0xb7, 0xb4, 0xef, 0xcf, 0xc3, 0x15, 0x6c, 0xb3, 0xbd, 0x77, 0x0d, 0x85, - 0x6d, 0x1b, 0xa9, 0xb1, 0x2b, 0xdc, 0x3d, 0x83, 0xdb, 0x00, 0x00, 0xc8, - 0x26, 0xe5, 0x01, 0x99, 0x8a, 0xd5, 0xdd, 0xfc, 0x82, 0xcd, 0xcd, 0x9a, - 0x8c, 0x13, 0xcc, 0x1b, 0xba, 0xf5, 0x05, 0xdb, 0xee, 0x6a, 0xdb, 0x38, - 0x60, 0xfe, 0x43, 0x2c, 0xd4, 0x6a, 0x99, 0x4d, 0xc6, 0xc0, 0xd3, 0x28, - 0x1b, 0xc1, 0xb1, 0x17, 0x4e, 0x43, 0x0e, 0x3d, 0x27, 0xe9, 0xe4, 0x84, - 0x4f, 0x24, 0x62, 0x69, 0x85, 0x43, 0x8d, 0xc2, 0x04, 0x00, 0x07, 0x59, - 0x60, 0xfd, 0x8b, 0x4d, 0x60, 0x32, 0x72, 0xcf, 0x88, 0x0c, 0x2f, 0x2f, - 0xad, 0x62, 0xbd, 0x27, 0x09, 0x16, 0x70, 0x78, 0x6c, 0xd9, 0x82, 0xef, - 0x1a, 0xa2, 0xcc, 0xf0, 0xf1, 0x6f, 0xd8, 0x78, 0x2e, 0x39, 0xa1, 0xcf, - 0x14, 0x4b, 0x89, 0xb4, 0x1b, 0x48, 0x15, 0x7c, 0x48, 0x6f, 0x8c, 0x20, - 0xb7, 0x00, 0xcf, 0xfc, 0xdb, 0xd0, 0xe9, 0xe7, 0x42, 0x09, 0xa4, 0x03, - 0x40, 0xac, 0xda, 0x40, 0x01, 0x00, 0x5f, 0xa1, 0x3d, 0x64, 0xe1, 0xf4, - 0x03, 0x45, 0x29, 0xe0, 0xe2, 0x4a, 0xc3, 0xa2, 0xe8, 0xe0, 0x25, 0x12, - 0x74, 0xc6, 0xe8, 0xfb, 0x93, 0x4f, 0x9f, 0x5e, 0xc0, 0xa6, 0x91, 0x1b, - 0xa4, 0x24, 0x82, 0xc3, 0x61, 0x07, 0x4c, 0x49, 0x4f, 0x53, 0xae, 0x5f, - 0x5d, 0x39, 0x36, 0xc0, 0x5b, 0x57, 0x54, 0x60, 0x10, 0x00, 0x00, 0xd1, - 0x68, 0xb6, 0x6d, 0xdb, 0x36, 0x22, 0xfa, 0x1f, 0x35, 0x75, 0x22, 0xec, - 0x31, 0xbc, 0x5d, 0x8f, 0x87, 0x53, 0xa2, 0x05, 0x8c, 0x2f, 0xcd, 0xa8, - 0xa7, 0xf3, 0xa3, 0xbd, 0x83, 0x8b, 0x2a, 0xc8, 0x58, 0xf5, 0xac, 0x80, - 0xe3, 0xfe, 0x66, 0xa4, 0x7c, 0x1b, 0x6c, 0xd1, 0xa9, 0xd8, 0x14, 0xd0, - 0xc5, 0xb5, 0x39, 0x71, 0x97, 0x19, 0x19, 0x1b - }; - - SkBitmap bm; - SkAutoDataUnref encoded(SkData::NewWithoutCopy(encodedWebP, sizeof(encodedWebP))); - if (!decode_into_bitmap(reporter, &bm, encoded)) { - return; - } - if (kExpectedWidth != bm.width() || kExpectedHeight != bm.height()) { - REPORTER_ASSERT(reporter, false); - return; - } - - bool error = false; - const SkColor* correctPixel = kExpectedPixels; - for (int y = 0; y < bm.height(); ++y) { - for (int x = 0; x < bm.width(); ++x) { - error |= (*correctPixel != bm.getColor(x, y)); - ++correctPixel; - } - } - REPORTER_ASSERT(reporter, !error); -} - -//////////////////////////////////////////////////////////////////////////////// - -/** - * A test for the SkDecodingImageGenerator::Create - */ -DEF_TEST(ImprovedBitmapFactory, reporter) { - SkString pngFilename = GetResourcePath("randPixels.png"); - SkAutoTDelete<SkStreamRewindable> stream(SkStream::NewFromFile(pngFilename.c_str())); - if (sk_exists(pngFilename.c_str())) { - // example of how Android will do this inside their BitmapFactory - SkDecodingImageGenerator::Options opts(1, true, kN32_SkColorType); - SkBitmap bm; - SkAutoTDelete<SkImageGenerator> gen(SkDecodingImageGenerator::Create(stream.detach(), - opts)); - REPORTER_ASSERT(reporter, gen->tryGenerateBitmap(&bm)); - } -} - -//////////////////////////////////////////////////////////////////////////////// - -#if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX) -static inline bool check_rounding(int value, int dividend, int divisor) { - // returns true if the value is greater than floor(dividend/divisor) - // and less than SkNextPow2(ceil(dividend - divisor)) - return (((divisor * value) > (dividend - divisor)) - && value <= SkNextPow2(((dividend - 1) / divisor) + 1)); -} -#endif // SK_BUILD_FOR_ANDROID || SK_BUILD_FOR_UNIX - - -#if SK_PMCOLOR_BYTE_ORDER(B,G,R,A) - #define kBackwards_SkColorType kRGBA_8888_SkColorType -#elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A) - #define kBackwards_SkColorType kBGRA_8888_SkColorType -#else - #error "SK_*32_SHFIT values must correspond to BGRA or RGBA byte order" -#endif - -static inline const char* SkColorType_to_string(SkColorType colorType) { - switch(colorType) { - case kAlpha_8_SkColorType: return "Alpha_8"; - case kRGB_565_SkColorType: return "RGB_565"; - case kARGB_4444_SkColorType: return "ARGB_4444"; - case kN32_SkColorType: return "N32"; - case kBackwards_SkColorType: return "Backwards"; - case kIndex_8_SkColorType: return "Index_8"; - default: return "ERROR"; - } -} - -static inline const char* options_colorType( - const SkDecodingImageGenerator::Options& opts) { - if (opts.fUseRequestedColorType) { - return SkColorType_to_string(opts.fRequestedColorType); - } else { - return "(none)"; - } -} - -static inline const char* yn(bool value) { - if (value) { - return "yes"; - } else { - return "no"; - } -} - -/** - * Given either a SkStream or a SkData, try to decode the encoded - * image using the specified options and report errors. - */ -static void test_options(skiatest::Reporter* reporter, - const SkDecodingImageGenerator::Options& opts, - SkStreamRewindable* encodedStream, - SkData* encodedData, - bool useData, - const SkString& path) { - SkBitmap bm; - SkAutoTDelete<SkImageGenerator> gen; - - if (useData) { - if (nullptr == encodedData) { - return; - } - gen.reset(SkDecodingImageGenerator::Create(encodedData, opts)); - } else { - if (nullptr == encodedStream) { - return; - } - gen.reset(SkDecodingImageGenerator::Create(encodedStream->duplicate(), opts)); - } - if (!gen) { - if (opts.fUseRequestedColorType && (kARGB_4444_SkColorType == opts.fRequestedColorType)) { - return; // Ignore known conversion inabilities. - } - // If we get here, it's a failure and we will need more - // information about why it failed. - ERRORF(reporter, "Bounds decode failed [sampleSize=%d dither=%s " - "colorType=%s %s]", opts.fSampleSize, yn(opts.fDitherImage), - options_colorType(opts), path.c_str()); - return; - } - if (!gen->tryGenerateBitmap(&bm)) { - return; - } - - #if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX) - // Android is the only system that use Skia's image decoders in - // production. For now, we'll only verify that samplesize works - // on systems where it already is known to work. - REPORTER_ASSERT(reporter, check_rounding(bm.height(), kExpectedHeight, opts.fSampleSize)); - REPORTER_ASSERT(reporter, check_rounding(bm.width(), kExpectedWidth, opts.fSampleSize)); - // The ImageDecoder API doesn't guarantee that SampleSize does - // anything at all, but the decoders that this test excercises all - // produce an output size in the following range: - // (((sample_size * out_size) > (in_size - sample_size)) - // && out_size <= SkNextPow2(((in_size - 1) / sample_size) + 1)); - #endif // SK_BUILD_FOR_ANDROID || SK_BUILD_FOR_UNIX - - SkColorType requestedColorType = opts.fRequestedColorType; - REPORTER_ASSERT(reporter, - (!opts.fUseRequestedColorType) - || (bm.colorType() == requestedColorType)); - - // Condition under which we should check the decoding results: - if ((kN32_SkColorType == bm.colorType()) - && (!path.endsWith(".jpg")) // lossy - && (opts.fSampleSize == 1)) { // scaled - const SkColor* correctPixels = kExpectedPixels; - SkASSERT(bm.height() == kExpectedHeight); - SkASSERT(bm.width() == kExpectedWidth); - int pixelErrors = 0; - for (int y = 0; y < bm.height(); ++y) { - for (int x = 0; x < bm.width(); ++x) { - if (*correctPixels != bm.getColor(x, y)) { - ++pixelErrors; - } - ++correctPixels; - } - } - if (pixelErrors != 0) { - ERRORF(reporter, "Pixel-level mismatch (%d of %d) " - "[sampleSize=%d dither=%s colorType=%s %s]", - pixelErrors, kExpectedHeight * kExpectedWidth, - opts.fSampleSize, yn(opts.fDitherImage), - options_colorType(opts), path.c_str()); - } - } -} - -/** - * SkDecodingImageGenerator has an Options struct which lets the - * client of the generator set sample size, dithering, and bitmap - * config. This test loops through many possible options and tries - * them on a set of 5 small encoded images (each in a different - * format). We test both SkData and SkStreamRewindable decoding. - */ -DEF_TEST(ImageDecoderOptions, reporter) { - const char* files[] = { - "randPixels.bmp", - "randPixels.jpg", - "randPixels.png", - "randPixels.webp", - #if !defined(SK_BUILD_FOR_WIN) - // TODO(halcanary): Find out why this fails sometimes. - "randPixels.gif", - #endif - }; - - SkString resourceDir = GetResourcePath(); - if (!sk_exists(resourceDir.c_str())) { - return; - } - - int scaleList[] = {1, 2, 3, 4}; - bool ditherList[] = {true, false}; - SkColorType colorList[] = { - kAlpha_8_SkColorType, - kRGB_565_SkColorType, - kARGB_4444_SkColorType, // Most decoders will fail on 4444. - kN32_SkColorType - // Note that indexed color is left out of the list. Lazy - // decoding doesn't do indexed color. - }; - const bool useDataList[] = {true, false}; - - for (size_t fidx = 0; fidx < SK_ARRAY_COUNT(files); ++fidx) { - SkString path = SkOSPath::Join(resourceDir.c_str(), files[fidx]); - if (!sk_exists(path.c_str())) { - continue; - } - - SkAutoDataUnref encodedData(SkData::NewFromFileName(path.c_str())); - REPORTER_ASSERT(reporter, encodedData.get() != nullptr); - SkAutoTDelete<SkStreamRewindable> encodedStream( - SkStream::NewFromFile(path.c_str())); - REPORTER_ASSERT(reporter, encodedStream.get() != nullptr); - - for (size_t i = 0; i < SK_ARRAY_COUNT(scaleList); ++i) { - for (size_t j = 0; j < SK_ARRAY_COUNT(ditherList); ++j) { - for (size_t m = 0; m < SK_ARRAY_COUNT(useDataList); ++m) { - for (size_t k = 0; k < SK_ARRAY_COUNT(colorList); ++k) { - SkDecodingImageGenerator::Options opts(scaleList[i], - ditherList[j], - colorList[k]); - test_options(reporter, opts, encodedStream, encodedData, - useDataList[m], path); - - } - SkDecodingImageGenerator::Options options(scaleList[i], - ditherList[j]); - test_options(reporter, options, encodedStream, encodedData, - useDataList[m], path); - } - } - } - } -} - -DEF_TEST(DecodingImageGenerator_ColorTableCheck, r) { - SkString resourceDir = GetResourcePath(); - SkString path = SkOSPath::Join(resourceDir.c_str(), "randPixels.gif"); - if (!sk_exists(path.c_str())) { - return; - } - SkAutoDataUnref encoded(SkData::NewFromFileName(path.c_str())); - SkBitmap bitmap; - SkAutoTDelete<SkImageGenerator> gen(SkDecodingImageGenerator::Create(encoded, - SkDecodingImageGenerator::Options())); - if (!gen) { - REPORTER_ASSERT(r, false); - return; - } - if (!gen->tryGenerateBitmap(&bitmap)) { - REPORTER_ASSERT(r, false); - return; - } - if (kIndex_8_SkColorType != bitmap.colorType()) { - return; - } - REPORTER_ASSERT(r, bitmap.getColorTable()); -} - - -//////////////////////////////////////////////////////////////////////////////// -namespace { -class SingleAllocator : public SkBitmap::Allocator { -public: - SingleAllocator(void* p, size_t s) : fPixels(p), fSize(s) { } - ~SingleAllocator() {} - // If the pixels in fPixels are big enough, use them. - bool allocPixelRef(SkBitmap* bm, SkColorTable* ct) override { - SkASSERT(bm); - if (bm->info().getSafeSize(bm->rowBytes()) <= fSize) { - bm->setPixels(fPixels, ct); - fPixels = nullptr; - fSize = 0; - return true; - } - return bm->tryAllocPixels(nullptr, ct); - } - bool ready() { return fPixels != nullptr; } -private: - void* fPixels; - size_t fSize; -}; -} // namespace - -/* This tests for a bug in libjpeg where INT32 is typedefed to long - and memory can be written to outside of the array. */ -DEF_TEST(ImageDecoding_JpegOverwrite, r) { - SkString resourceDir = GetResourcePath(); - SkString path = SkOSPath::Join(resourceDir.c_str(), "randPixels.jpg"); - SkAutoTDelete<SkStreamAsset> stream( - SkStream::NewFromFile(path.c_str())); - if (!stream.get()) { - SkDebugf("\nPath '%s' missing.\n", path.c_str()); - return; - } - SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(stream)); - if (nullptr == decoder.get()) { - ERRORF(r, "\nSkImageDecoder::Factory failed.\n"); - return; - } - SkAssertResult(stream->rewind()); - - static const uint16_t sentinal = 0xBEEF; - static const int pixelCount = 16; - SkAutoTMalloc<uint16_t> pixels(pixelCount + 1); - // pixels.get() should be 4-byte aligned. - // This is necessary to reproduce the bug. - - pixels[pixelCount] = sentinal; // This value should not be changed. - - SkAutoTUnref<SingleAllocator> allocator( - new SingleAllocator((void*)pixels.get(), sizeof(uint16_t) * pixelCount)); - decoder->setAllocator(allocator); - decoder->setSampleSize(2); - SkBitmap bitmap; - bool success = decoder->decode(stream, &bitmap, kRGB_565_SkColorType, - SkImageDecoder::kDecodePixels_Mode) != SkImageDecoder::kFailure; - REPORTER_ASSERT(r, success); - REPORTER_ASSERT(r, !allocator->ready()); // Decoder used correct memory - REPORTER_ASSERT(r, sentinal == pixels[pixelCount]); -} diff --git a/tests/JpegTest.cpp b/tests/JpegTest.cpp deleted file mode 100644 index 1e7499a513..0000000000 --- a/tests/JpegTest.cpp +++ /dev/null @@ -1,604 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "SkBitmap.h" -#include "SkCodec.h" -#include "SkDecodingImageGenerator.h" -#include "SkForceLinking.h" -#include "SkImageDecoder.h" -#include "SkPixelRef.h" -#include "Resources.h" -#include "SkStream.h" -#include "SkTemplates.h" -#include "Test.h" - -__SK_FORCE_IMAGE_DECODER_LINKING; - -#define JPEG_TEST_WRITE_TO_FILE_FOR_DEBUGGING 0 // do not do this for - // normal unit testing. -static unsigned char goodJpegImage[] = { -0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46, -0x49, 0x46, 0x00, 0x01, 0x01, 0x01, 0x00, 0x8F, -0x00, 0x8F, 0x00, 0x00, 0xFF, 0xDB, 0x00, 0x43, -0x00, 0x05, 0x03, 0x04, 0x04, 0x04, 0x03, 0x05, -0x04, 0x04, 0x04, 0x05, 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https://code.google.com/p/skia/issues/detail?id=1649 - -/** - This test will test the ability of the SkImageDecoder to deal with - Jpeg files which have been mangled somehow. We want to display as - much of the jpeg as possible. -*/ -DEF_TEST(Jpeg, reporter) { - size_t len = sizeof(goodJpegImage) / 2; - // I am explicitly not putting the entire image into the - // DecodeMemory. This simulates a network error. - - SkBitmap bm8888; - bool imageDecodeSuccess = SkImageDecoder::DecodeMemory( - static_cast<void *>(goodJpegImage), len, &bm8888); - REPORTER_ASSERT(reporter, imageDecodeSuccess); - REPORTER_ASSERT(reporter, bm8888.width() == goodJpegImageWidth); - REPORTER_ASSERT(reporter, bm8888.height() == goodJpegImageHeight); - REPORTER_ASSERT(reporter, !(bm8888.empty())); - - // Pick a few pixels and verify that their colors match the colors - // we expect (given the original image). - REPORTER_ASSERT(reporter, bm8888.getColor(7, 9) == 0xffffffff); - REPORTER_ASSERT(reporter, bm8888.getColor(28, 3) == 0xff000000); - REPORTER_ASSERT(reporter, bm8888.getColor(27, 34) == 0xffffffff); - REPORTER_ASSERT(reporter, bm8888.getColor(71, 18) == 0xff000000); - -#ifdef SK_BUILD_FOR_IOS // the iOS jpeg decoder fills to gray - REPORTER_ASSERT(reporter, bm8888.getColor(127, 127) == 0xff808080 - || bm8888.getColor(127, 127) == SK_ColorWHITE); -#else - // This is the fill color - REPORTER_ASSERT(reporter, bm8888.getColor(127, 127) == SK_ColorWHITE); -#endif - - #if JPEG_TEST_WRITE_TO_FILE_FOR_DEBUGGING - // Check to see that the resulting bitmap is nice - bool writeSuccess = (!(bm8888.empty())) && SkImageEncoder::EncodeFile( - "HalfOfAJpeg.png", bm8888, SkImageEncoder::kPNG_Type, 100); - SkASSERT(writeSuccess); - #endif -} - -DEF_TEST(Jpeg_YUV, reporter) { - size_t len = sizeof(goodJpegImage); - SkMemoryStream* stream = new SkMemoryStream(goodJpegImage, len); - SkDecodingImageGenerator::Options opts; - SkAutoTDelete<SkImageGenerator> gen(SkDecodingImageGenerator::Create(stream, opts)); - REPORTER_ASSERT(reporter, gen); - if (!gen) { - return; - } - - SkISize yuvSizes[3]; - bool sizesComputed = gen->getYUV8Planes(yuvSizes, nullptr, nullptr, nullptr); - REPORTER_ASSERT(reporter, sizesComputed); - if (!sizesComputed) { - return; - } - - // Allocate the memory for YUV - size_t totalSize(0); - size_t sizes[3], rowBytes[3]; - const int32_t expected_sizes[] = {128, 64, 64}; - for (int i = 0; i < 3; ++i) { - rowBytes[i] = yuvSizes[i].fWidth; - totalSize += sizes[i] = rowBytes[i] * yuvSizes[i].fHeight; - REPORTER_ASSERT(reporter, rowBytes[i] == (size_t)expected_sizes[i]); - REPORTER_ASSERT(reporter, yuvSizes[i].fWidth == expected_sizes[i]); - REPORTER_ASSERT(reporter, yuvSizes[i].fHeight == expected_sizes[i]); - } - SkAutoMalloc storage(totalSize); - void* planes[3]; - planes[0] = storage.get(); - planes[1] = (uint8_t*)planes[0] + sizes[0]; - planes[2] = (uint8_t*)planes[1] + sizes[1]; - - // Get the YUV planes - REPORTER_ASSERT(reporter, gen->getYUV8Planes(yuvSizes, planes, rowBytes, nullptr)); -} - -static SkStreamAsset* resource(const char path[]) { - SkString fullPath = GetResourcePath(path); - return SkStream::NewFromFile(fullPath.c_str()); -} - -static void codec_yuv(skiatest::Reporter* reporter, - const char path[], - SkISize expectedSizes[3]) { - SkAutoTDelete<SkStream> stream(resource(path)); - if (!stream) { - SkDebugf("Missing resource '%s'\n", path); - return; - } - SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); - REPORTER_ASSERT(reporter, codec); - if (!codec) { - return; - } - - // Test queryYUV8() - SkCodec::YUVSizeInfo info; - bool success = codec->queryYUV8(nullptr, nullptr); - REPORTER_ASSERT(reporter, !success); - success = codec->queryYUV8(&info, nullptr); - REPORTER_ASSERT(reporter, (expectedSizes == nullptr) == !success); - if (!success) { - return; - } - REPORTER_ASSERT(reporter, - 0 == memcmp((const void*) &info, (const void*) expectedSizes, 3 * sizeof(SkISize))); - REPORTER_ASSERT(reporter, info.fYWidthBytes == (uint32_t) SkAlign8(info.fYSize.width())); - REPORTER_ASSERT(reporter, info.fUWidthBytes == (uint32_t) SkAlign8(info.fUSize.width())); - REPORTER_ASSERT(reporter, info.fVWidthBytes == (uint32_t) SkAlign8(info.fVSize.width())); - SkYUVColorSpace colorSpace; - success = codec->queryYUV8(&info, &colorSpace); - REPORTER_ASSERT(reporter, - 0 == memcmp((const void*) &info, (const void*) expectedSizes, 3 * sizeof(SkISize))); - REPORTER_ASSERT(reporter, info.fYWidthBytes == (uint32_t) SkAlign8(info.fYSize.width())); - REPORTER_ASSERT(reporter, info.fUWidthBytes == (uint32_t) SkAlign8(info.fUSize.width())); - REPORTER_ASSERT(reporter, info.fVWidthBytes == (uint32_t) SkAlign8(info.fVSize.width())); - REPORTER_ASSERT(reporter, kJPEG_SkYUVColorSpace == colorSpace); - - // Allocate the memory for the YUV decode - size_t totalBytes = info.fYWidthBytes * info.fYSize.height() + - info.fUWidthBytes * info.fUSize.height() + - info.fVWidthBytes * info.fVSize.height(); - SkAutoMalloc storage(totalBytes); - void* planes[3]; - planes[0] = storage.get(); - planes[1] = SkTAddOffset<void>(planes[0], info.fYWidthBytes * info.fYSize.height()); - planes[2] = SkTAddOffset<void>(planes[1], info.fUWidthBytes * info.fUSize.height()); - - // Test getYUV8Planes() - REPORTER_ASSERT(reporter, SkCodec::kInvalidInput == - codec->getYUV8Planes(info, nullptr)); - REPORTER_ASSERT(reporter, SkCodec::kSuccess == - codec->getYUV8Planes(info, planes)); -} - -DEF_TEST(Jpeg_YUV_Codec, r) { - SkISize sizes[3]; - - sizes[0].set(128, 128); - sizes[1].set(64, 64); - sizes[2].set(64, 64); - codec_yuv(r, "color_wheel.jpg", sizes); - - // H2V2 - sizes[0].set(512, 512); - sizes[1].set(256, 256); - sizes[2].set(256, 256); - codec_yuv(r, "mandrill_512_q075.jpg", sizes); - - // H1V1 - sizes[1].set(512, 512); - sizes[2].set(512, 512); - codec_yuv(r, "mandrill_h1v1.jpg", sizes); - - // H2V1 - sizes[1].set(256, 512); - sizes[2].set(256, 512); - codec_yuv(r, "mandrill_h2v1.jpg", sizes); - - // Non-power of two dimensions - sizes[0].set(439, 154); - sizes[1].set(220, 77); - sizes[2].set(220, 77); - codec_yuv(r, "cropped_mandrill.jpg", sizes); - - sizes[0].set(8, 8); - sizes[1].set(4, 4); - sizes[2].set(4, 4); - codec_yuv(r, "randPixels.jpg", sizes); - - // Progressive images - sizes[0].set(512, 512); - sizes[1].set(512, 512); - sizes[2].set(512, 512); - codec_yuv(r, "brickwork-texture.jpg", sizes); - codec_yuv(r, "brickwork_normal-map.jpg", sizes); - - // A CMYK encoded image should fail. - codec_yuv(r, "CMYK.jpg", nullptr); - // A grayscale encoded image should fail. - codec_yuv(r, "grayscale.jpg", nullptr); - // A PNG should fail. - codec_yuv(r, "arrow.png", nullptr); -} diff --git a/tests/YUVTest.cpp b/tests/YUVTest.cpp new file mode 100644 index 0000000000..09b6f2a7ef --- /dev/null +++ b/tests/YUVTest.cpp @@ -0,0 +1,121 @@ +/* + * Copyright 2013 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkCodec.h" +#include "Resources.h" +#include "SkStream.h" +#include "SkTemplates.h" +#include "Test.h" + +static SkStreamAsset* resource(const char path[]) { + SkString fullPath = GetResourcePath(path); + return SkStream::NewFromFile(fullPath.c_str()); +} + +static void codec_yuv(skiatest::Reporter* reporter, + const char path[], + SkISize expectedSizes[3]) { + SkAutoTDelete<SkStream> stream(resource(path)); + if (!stream) { + SkDebugf("Missing resource '%s'\n", path); + return; + } + SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); + REPORTER_ASSERT(reporter, codec); + if (!codec) { + return; + } + + // Test queryYUV8() + SkCodec::YUVSizeInfo info; + bool success = codec->queryYUV8(nullptr, nullptr); + REPORTER_ASSERT(reporter, !success); + success = codec->queryYUV8(&info, nullptr); + REPORTER_ASSERT(reporter, (expectedSizes == nullptr) == !success); + if (!success) { + return; + } + REPORTER_ASSERT(reporter, + 0 == memcmp((const void*) &info, (const void*) expectedSizes, 3 * sizeof(SkISize))); + REPORTER_ASSERT(reporter, info.fYWidthBytes == (uint32_t) SkAlign8(info.fYSize.width())); + REPORTER_ASSERT(reporter, info.fUWidthBytes == (uint32_t) SkAlign8(info.fUSize.width())); + REPORTER_ASSERT(reporter, info.fVWidthBytes == (uint32_t) SkAlign8(info.fVSize.width())); + SkYUVColorSpace colorSpace; + success = codec->queryYUV8(&info, &colorSpace); + REPORTER_ASSERT(reporter, + 0 == memcmp((const void*) &info, (const void*) expectedSizes, 3 * sizeof(SkISize))); + REPORTER_ASSERT(reporter, info.fYWidthBytes == (uint32_t) SkAlign8(info.fYSize.width())); + REPORTER_ASSERT(reporter, info.fUWidthBytes == (uint32_t) SkAlign8(info.fUSize.width())); + REPORTER_ASSERT(reporter, info.fVWidthBytes == (uint32_t) SkAlign8(info.fVSize.width())); + REPORTER_ASSERT(reporter, kJPEG_SkYUVColorSpace == colorSpace); + + // Allocate the memory for the YUV decode + size_t totalBytes = info.fYWidthBytes * info.fYSize.height() + + info.fUWidthBytes * info.fUSize.height() + + info.fVWidthBytes * info.fVSize.height(); + SkAutoMalloc storage(totalBytes); + void* planes[3]; + planes[0] = storage.get(); + planes[1] = SkTAddOffset<void>(planes[0], info.fYWidthBytes * info.fYSize.height()); + planes[2] = SkTAddOffset<void>(planes[1], info.fUWidthBytes * info.fUSize.height()); + + // Test getYUV8Planes() + REPORTER_ASSERT(reporter, SkCodec::kInvalidInput == + codec->getYUV8Planes(info, nullptr)); + REPORTER_ASSERT(reporter, SkCodec::kSuccess == + codec->getYUV8Planes(info, planes)); +} + +DEF_TEST(Jpeg_YUV_Codec, r) { + SkISize sizes[3]; + + sizes[0].set(128, 128); + sizes[1].set(64, 64); + sizes[2].set(64, 64); + codec_yuv(r, "color_wheel.jpg", sizes); + + // H2V2 + sizes[0].set(512, 512); + sizes[1].set(256, 256); + sizes[2].set(256, 256); + codec_yuv(r, "mandrill_512_q075.jpg", sizes); + + // H1V1 + sizes[1].set(512, 512); + sizes[2].set(512, 512); + codec_yuv(r, "mandrill_h1v1.jpg", sizes); + + // H2V1 + sizes[1].set(256, 512); + sizes[2].set(256, 512); + codec_yuv(r, "mandrill_h2v1.jpg", sizes); + + // Non-power of two dimensions + sizes[0].set(439, 154); + sizes[1].set(220, 77); + sizes[2].set(220, 77); + codec_yuv(r, "cropped_mandrill.jpg", sizes); + + sizes[0].set(8, 8); + sizes[1].set(4, 4); + sizes[2].set(4, 4); + codec_yuv(r, "randPixels.jpg", sizes); + + // Progressive images + sizes[0].set(512, 512); + sizes[1].set(512, 512); + sizes[2].set(512, 512); + codec_yuv(r, "brickwork-texture.jpg", sizes); + codec_yuv(r, "brickwork_normal-map.jpg", sizes); + + // A CMYK encoded image should fail. + codec_yuv(r, "CMYK.jpg", nullptr); + // A grayscale encoded image should fail. + codec_yuv(r, "grayscale.jpg", nullptr); + // A PNG should fail. + codec_yuv(r, "arrow.png", nullptr); +} |