+++ /dev/null
-/*
- * 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]);
-}
+++ /dev/null
-/*
- * 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, 0x05, 0x05, 0x06, 0x07,
-0x0C, 0x08, 0x07, 0x07, 0x07, 0x07, 0x0F, 0x0B,
-0x0B, 0x09, 0x0C, 0x11, 0x0F, 0x12, 0x12, 0x11,
-0x0F, 0x11, 0x11, 0x13, 0x16, 0x1C, 0x17, 0x13,
-0x14, 0x1A, 0x15, 0x11, 0x11, 0x18, 0x21, 0x18,
-0x1A, 0x1D, 0x1D, 0x1F, 0x1F, 0x1F, 0x13, 0x17,
-0x22, 0x24, 0x22, 0x1E, 0x24, 0x1C, 0x1E, 0x1F,
-0x1E, 0xFF, 0xDB, 0x00, 0x43, 0x01, 0x05, 0x05,
-0x05, 0x07, 0x06, 0x07, 0x0E, 0x08, 0x08, 0x0E,
-0x1E, 0x14, 0x11, 0x14, 0x1E, 0x1E, 0x1E, 0x1E,
-0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
-0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
-0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
-0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
-0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E,
-0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0x1E, 0xFF, 0xC0,
-0x00, 0x11, 0x08, 0x00, 0x80, 0x00, 0x80, 0x03,
-0x01, 0x22, 0x00, 0x02, 0x11, 0x01, 0x03, 0x11,
-0x01, 0xFF, 0xC4, 0x00, 0x18, 0x00, 0x01, 0x01,
-0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00,
-0x08, 0x06, 0x05, 0xFF, 0xC4, 0x00, 0x4C, 0x10,
-0x00, 0x00, 0x01, 0x07, 0x08, 0x05, 0x08, 0x05,
-0x0A, 0x03, 0x09, 0x01, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x01, 0x02, 0x03, 0x04, 0x06, 0x07, 0x11,
-0x05, 0x08, 0x12, 0x13, 0x14, 0x15, 0x38, 0xB4,
-0x16, 0x17, 0x21, 0x31, 0x84, 0x18, 0x22, 0x23,
-0x24, 0x58, 0xA5, 0xA6, 0xD2, 0x32, 0x51, 0x56,
-0x61, 0xD3, 0x28, 0x33, 0x41, 0x48, 0x67, 0x85,
-0x86, 0xC3, 0xE4, 0xF0, 0x25, 0x49, 0x55, 0x09,
-0x34, 0x35, 0x36, 0x53, 0x68, 0x72, 0x81, 0xA7,
-0xE2, 0xFF, 0xC4, 0x00, 0x14, 0x01, 0x01, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
-0xC4, 0x00, 0x14, 0x11, 0x01, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xDA, 0x00,
-0x0C, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11,
-0x00, 0x3F, 0x00, 0xD9, 0x62, 0x10, 0x80, 0x40,
-0x65, 0xED, 0x62, 0x75, 0xC8, 0x7D, 0xFF, 0x00,
-0x92, 0x30, 0x33, 0x01, 0x97, 0xB5, 0x89, 0xD7,
-0x21, 0xF7, 0xFE, 0x48, 0xC0, 0x0C, 0xC2, 0x10,
-0x80, 0x40, 0x66, 0x64, 0xB8, 0x62, 0x64, 0x78,
-0xDC, 0xEA, 0x70, 0xCC, 0x06, 0x66, 0x4B, 0x86,
-0x26, 0x47, 0x8D, 0xCE, 0xA7, 0x00, 0xCC, 0x21,
-0x08, 0x04, 0x31, 0x9F, 0xF2, 0xC5, 0xFD, 0xFF,
-0x00, 0x5A, 0x1B, 0x30, 0x63, 0x3F, 0xE5, 0x8B,
-0xFB, 0xFE, 0xB4, 0x03, 0x66, 0x01, 0x99, 0x92,
-0xE1, 0x89, 0x91, 0xE3, 0x73, 0xA9, 0xC3, 0x30,
-0x19, 0x99, 0x2E, 0x18, 0x99, 0x1E, 0x37, 0x3A,
-0x9C, 0x03, 0x30, 0x84, 0x33, 0x33, 0x92, 0x55,
-0x7E, 0xCF, 0x29, 0xD8, 0x49, 0x0D, 0xAE, 0xBD,
-0xAE, 0xAB, 0xC6, 0xBB, 0xAA, 0x68, 0x92, 0x92,
-0x6A, 0xBA, 0xB4, 0xE9, 0x11, 0x7A, 0x7C, 0xD8,
-0xC6, 0x84, 0x77, 0x12, 0x11, 0x87, 0xBC, 0x07,
-0x67, 0xAC, 0x47, 0xED, 0xD9, 0xD3, 0xC6, 0xAA,
-0x5E, 0x51, 0x6B, 0x11, 0xFB, 0x76, 0x74, 0xF1,
-0xAA, 0x97, 0x94, 0x33, 0x08, 0x00, 0xCE, 0xB1,
-0x1F, 0xB7, 0x67, 0x4F, 0x1A, 0xA9, 0x79, 0x41,
-0x9B, 0xC4, 0x6C, 0xDE, 0xC2, 0xCB, 0xF6, 0x75,
-0x92, 0x84, 0xA0, 0xE5, 0xEC, 0x12, 0xB2, 0x9D,
-0xEF, 0x76, 0xC9, 0xBA, 0x50, 0xAA, 0x92, 0xF1,
-0xA6, 0xAA, 0x69, 0x12, 0xF4, 0xA4, 0x36, 0x8A,
-0x2A, 0xB3, 0x60, 0x77, 0x3A, 0x34, 0xA3, 0x02,
-0x6D, 0x1A, 0xC8, 0x0C, 0xBD, 0xAC, 0x4E, 0xB9,
-0x0F, 0xBF, 0xF2, 0x46, 0x00, 0xB5, 0x88, 0xFD,
-0xBB, 0x3A, 0x78, 0xD5, 0x4B, 0xCA, 0x2D, 0x62,
-0x3F, 0x6E, 0xCE, 0x9E, 0x35, 0x52, 0xF2, 0x86,
-0x61, 0x00, 0x19, 0xD6, 0x23, 0xF6, 0xEC, 0xE9,
-0xE3, 0x55, 0x2F, 0x28, 0x33, 0x9A, 0xE3, 0x66,
-0xF6, 0x24, 0x97, 0x12, 0xCE, 0xC9, 0xEC, 0xCB,
-0x97, 0xD2, 0x49, 0x25, 0x15, 0xAA, 0xCF, 0x29,
-0x69, 0x42, 0xAA, 0xA5, 0x7C, 0x56, 0x92, 0x94,
-0xEE, 0x88, 0xF3, 0x4A, 0x71, 0xB4, 0x4E, 0x29,
-0xC6, 0xED, 0xDF, 0x46, 0x3B, 0x8A, 0x35, 0x90,
-0x19, 0x99, 0x2E, 0x18, 0x99, 0x1E, 0x37, 0x3A,
-0x9C, 0x01, 0x9B, 0xE4, 0x79, 0x73, 0x93, 0x59,
-0x69, 0xD9, 0x36, 0x65, 0x99, 0x62, 0x34, 0x1E,
-0x56, 0x95, 0xAD, 0x96, 0x75, 0x7B, 0xD6, 0x4F,
-0x94, 0x6F, 0x1A, 0xA3, 0x0C, 0x3C, 0xEE, 0x71,
-0xE6, 0x51, 0x45, 0x56, 0x6D, 0x22, 0xED, 0x29,
-0x29, 0x53, 0xFA, 0x4A, 0x41, 0xE2, 0xFC, 0xBB,
-0x3F, 0x77, 0x28, 0x66, 0x7B, 0x58, 0x9D, 0x72,
-0x1F, 0x7F, 0xE4, 0x8C, 0x0C, 0xC0, 0x31, 0x9F,
-0xCB, 0xB3, 0xF7, 0x72, 0x8F, 0x19, 0xB6, 0x76,
-0x8F, 0x61, 0x8B, 0x99, 0xDA, 0xDA, 0x16, 0x99,
-0xB7, 0xB0, 0x49, 0x2A, 0x74, 0x2D, 0x0C, 0x9D,
-0xD4, 0xAA, 0x92, 0x85, 0x39, 0x40, 0xD2, 0x9B,
-0xD7, 0x0C, 0x3C, 0xA7, 0x16, 0x27, 0x1C, 0x6A,
-0x5D, 0x91, 0xDF, 0x43, 0x70, 0xDC, 0xA2, 0x01,
-0x8C, 0xF5, 0xC1, 0xFE, 0xF1, 0x3F, 0xF3, 0x4F,
-0xFE, 0x07, 0xB5, 0x35, 0xC6, 0x31, 0xEC, 0x4A,
-0xCE, 0x25, 0x9D, 0x94, 0x19, 0x97, 0xD1, 0xA3,
-0x72, 0x4A, 0x5B, 0x55, 0x9E, 0x4D, 0xD1, 0x75,
-0x55, 0xBA, 0x88, 0x2D, 0x25, 0x21, 0xDD, 0x29,
-0xE7, 0x10, 0xE3, 0xA9, 0x1C, 0x43, 0x8E, 0xDB,
-0xBA, 0x94, 0x37, 0x10, 0x6B, 0x21, 0x00, 0x19,
-0xD5, 0xDB, 0xF6, 0xED, 0x17, 0xE0, 0xA5, 0x2F,
-0x30, 0x33, 0x9A, 0xE3, 0x18, 0xF6, 0x25, 0x67,
-0x12, 0xCE, 0xCA, 0x0C, 0xCB, 0xE8, 0xD1, 0xB9,
-0x25, 0x2D, 0xAA, 0xCF, 0x26, 0xE8, 0xBA, 0xAA,
-0xDD, 0x44, 0x16, 0x92, 0x90, 0xEE, 0x94, 0xF3,
-0x88, 0x71, 0xD4, 0x8E, 0x21, 0xC7, 0x6D, 0xDD,
-0x4A, 0x1B, 0x88, 0x35, 0x90, 0x19, 0x99, 0x2E,
-0x18, 0x99, 0x1E, 0x37, 0x3A, 0x9C, 0x03, 0x30,
-0x80, 0x04, 0xDB, 0x99, 0x69, 0x09, 0x8B, 0x7E,
-0xCF, 0x8D, 0x99, 0x66, 0x54, 0x6C, 0x12, 0x4A,
-0x9D, 0xC7, 0x67, 0x57, 0xAD, 0x3D, 0x25, 0x0A,
-0x6A, 0xA9, 0x4F, 0x3B, 0x9C, 0x79, 0x4A, 0x71,
-0x62, 0x71, 0xC7, 0x17, 0x69, 0x4B, 0xBF, 0xD4,
-0x1F, 0xC0, 0x43, 0x8C, 0x79, 0xAE, 0xB5, 0x84,
-0x79, 0x57, 0x7E, 0x9A, 0xC8, 0x57, 0xAD, 0xDD,
-0x5B, 0x64, 0xEB, 0x69, 0xD0, 0xD5, 0xD6, 0x50,
-0xA7, 0xF3, 0x47, 0x9B, 0x18, 0xD0, 0x33, 0x7C,
-0x61, 0x0D, 0x9F, 0x48, 0xEC, 0xC0, 0x03, 0x12,
-0xFB, 0x5E, 0xC3, 0x68, 0xCC, 0x2A, 0x34, 0xCC,
-0xCB, 0x83, 0xB7, 0xC9, 0x2B, 0x94, 0xEC, 0xEB,
-0x1A, 0x5E, 0xAA, 0x8E, 0x9D, 0x03, 0xCE, 0x30,
-0xEE, 0x69, 0xE8, 0xC8, 0x71, 0x20, 0x71, 0xA7,
-0x13, 0x69, 0x09, 0xBB, 0xD4, 0x03, 0xD9, 0xE4,
-0xB8, 0xE2, 0x7D, 0x86, 0xEF, 0x65, 0xDF, 0x8C,
-0x2E, 0x4B, 0x8E, 0x27, 0xD8, 0x6E, 0xF6, 0x5D,
-0xF8, 0xC2, 0xD6, 0x23, 0xF6, 0xEC, 0xE9, 0xE3,
-0x55, 0x2F, 0x28, 0xB5, 0x88, 0xFD, 0xBB, 0x3A,
-0x78, 0xD5, 0x4B, 0xCA, 0x02, 0xE4, 0xB8, 0xE2,
-0x7D, 0x86, 0xEF, 0x65, 0xDF, 0x8C, 0x0C, 0xE6,
-0xB8, 0xE1, 0x1D, 0x3B, 0x68, 0xE2, 0x59, 0xD6,
-0x99, 0xA6, 0x65, 0x2D, 0xF2, 0xB2, 0xE5, 0xAA,
-0xD0, 0xB1, 0x78, 0x2D, 0x23, 0xA7, 0x41, 0x69,
-0x29, 0x86, 0xF3, 0x4C, 0x48, 0x43, 0x49, 0x03,
-0x4D, 0x34, 0x9B, 0x08, 0x4D, 0xDE, 0xB0, 0x99,
-0xAC, 0x47, 0xED, 0xD9, 0xD3, 0xC6, 0xAA, 0x5E,
-0x50, 0x67, 0x35, 0xC6, 0xCD, 0xEC, 0x49, 0x2E,
-0x25, 0x9D, 0x93, 0xD9, 0x97, 0x2F, 0xA4, 0x92,
-0x4A, 0x2B, 0x55, 0x9E, 0x52, 0xD2, 0x85, 0x55,
-0x4A, 0xF8, 0xAD, 0x25, 0x29, 0xDD, 0x11, 0xE6,
-0x94, 0xE3, 0x68, 0x9C, 0x53, 0x8D, 0xDB, 0xBE,
-0x8C, 0x77, 0x14, 0x04, 0xF1, 0x1C, 0x23, 0xA7,
-0x92, 0x5F, 0xB3, 0xAC, 0x66, 0x64, 0xF6, 0x52,
-0xA6, 0x49, 0x97, 0xAF, 0x7B, 0xC9, 0x5E, 0xF0,
-0x5A, 0x3A, 0xBE, 0xA1, 0x54, 0xD3, 0xD1, 0x73,
-0x8A, 0x90, 0xA7, 0x1B, 0x44, 0xE2, 0x94, 0xBC,
-0xD2, 0x92, 0x3F, 0x4C, 0x48, 0x13, 0x39, 0x2E,
-0x38, 0x9F, 0x61, 0xBB, 0xD9, 0x77, 0xE3, 0x01,
-0x97, 0xF4, 0xF7, 0x1B, 0xB6, 0x51, 0xE7, 0xBB,
-0x76, 0xD5, 0xB5, 0x74, 0xB7, 0x15, 0xCD, 0x7A,
-0x59, 0x15, 0x34, 0x89, 0x02, 0xCD, 0xBA, 0xB9,
-0x02, 0x34, 0x47, 0xF3, 0xD1, 0x18, 0x5A, 0xBA,
-0x14, 0x8C, 0x2E, 0xD2, 0x16, 0x95, 0x28, 0x12,
-0x10, 0x29, 0x46, 0xCC, 0x00, 0x33, 0xC9, 0x71,
-0xC4, 0xFB, 0x0D, 0xDE, 0xCB, 0xBF, 0x18, 0x5C,
-0x97, 0x1C, 0x4F, 0xB0, 0xDD, 0xEC, 0xBB, 0xF1,
-0x83, 0x30, 0x80, 0x0C, 0xF2, 0x5C, 0x71, 0x3E,
-0xC3, 0x77, 0xB2, 0xEF, 0xC6, 0x17, 0x25, 0xC7,
-0x13, 0xEC, 0x37, 0x7B, 0x2E, 0xFC, 0x60, 0xCC,
-0x20, 0x03, 0x3C, 0x97, 0x1C, 0x4F, 0xB0, 0xDD,
-0xEC, 0xBB, 0xF1, 0x81, 0x9C, 0xD7, 0x1C, 0x23,
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-0x10, 0x80, 0x63, 0x39, 0xC0, 0x7D, 0x67, 0x7F,
-0x09, 0xFE, 0x58, 0x66, 0x99, 0x2E, 0x18, 0x99,
-0x1E, 0x37, 0x3A, 0x9C, 0x0C, 0xCE, 0x03, 0xEB,
-0x3B, 0xF8, 0x4F, 0xF2, 0xC3, 0x34, 0xC9, 0x70,
-0xC4, 0xC8, 0xF1, 0xB9, 0xD4, 0xE0, 0x19, 0x80,
-0xCC, 0xC9, 0x70, 0xC4, 0xC8, 0xF1, 0xB9, 0xD4,
-0xE1, 0x98, 0x0C, 0xCC, 0x97, 0x0C, 0x4C, 0x8F,
-0x1B, 0x9D, 0x4E, 0x03, 0xFF, 0xD9};
-static const int goodJpegImageWidth = 128;
-static const int goodJpegImageHeight = 128;
-
-// https://code.google.com/p/android/issues/detail?id=42382
-// https://code.google.com/p/android/issues/detail?id=9064
-// 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);
-}
projects / platform / upstream / libSkiaSharp.git / commitdiff