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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "platform/image-decoders/ImageDecoder.h"
#include "wtf/Vector.h"
#include <memory>
class SkBitmap;
namespace blink {
class ImageDecoder;
class SharedBuffer;
const char decodersTestingDir[] = "Source/platform/image-decoders/testing";
using DecoderCreator = std::unique_ptr<ImageDecoder> (*)();
using DecoderCreatorWithAlpha =
std::unique_ptr<ImageDecoder> (*)(ImageDecoder::AlphaOption);
PassRefPtr<SharedBuffer> readFile(const char* fileName);
PassRefPtr<SharedBuffer> readFile(const char* dir, const char* fileName);
unsigned hashBitmap(const SkBitmap&);
void createDecodingBaseline(DecoderCreator,
SharedBuffer*,
Vector<unsigned>* baselineHashes);
void testByteByByteDecode(DecoderCreator createDecoder,
const char* file,
size_t expectedFrameCount,
int expectedRepetitionCount);
void testByteByByteDecode(DecoderCreator createDecoder,
const char* dir,
const char* file,
size_t expectedFrameCount,
int expectedRepetitionCount);
void testMergeBuffer(DecoderCreator createDecoder, const char* file);
void testMergeBuffer(DecoderCreator createDecoder,
const char* dir,
const char* file);
// |skippingStep| is used to randomize the decoding order. For images with
// a small number of frames (e.g. < 10), this value should be smaller, on the
// order of (number of frames) / 2.
void testRandomFrameDecode(DecoderCreator,
const char* file,
size_t skippingStep = 5);
void testRandomFrameDecode(DecoderCreator,
const char* dir,
const char* file,
size_t skippingStep = 5);
// |skippingStep| is used to randomize the decoding order. For images with
// a small number of frames (e.g. < 10), this value should be smaller, on the
// order of (number of frames) / 2.
void testRandomDecodeAfterClearFrameBufferCache(DecoderCreator,
const char* file,
size_t skippingStep = 5);
void testRandomDecodeAfterClearFrameBufferCache(DecoderCreator,
const char* dir,
const char* file,
size_t skippingStep = 5);
void testDecodeAfterReallocatingData(DecoderCreator, const char* file);
void testDecodeAfterReallocatingData(DecoderCreator,
const char* dir,
const char* file);
void testByteByByteSizeAvailable(DecoderCreator,
const char* file,
size_t frameOffset,
bool hasColorSpace,
int expectedRepetitionCount);
void testByteByByteSizeAvailable(DecoderCreator,
const char* dir,
const char* file,
size_t frameOffset,
bool hasColorSpace,
int expectedRepetitionCount);
// Data is provided in chunks of length |increment| to the decoder. This value
// can be increased to reduce processing time.
void testProgressiveDecoding(DecoderCreator,
const char* file,
size_t increment = 1);
void testProgressiveDecoding(DecoderCreator,
const char* dir,
const char* file,
size_t increment = 1);
void testUpdateRequiredPreviousFrameAfterFirstDecode(DecoderCreator,
const char* dir,
const char* file);
void testUpdateRequiredPreviousFrameAfterFirstDecode(DecoderCreator,
const char* file);
void testResumePartialDecodeAfterClearFrameBufferCache(DecoderCreator,
const char* dir,
const char* file);
void testResumePartialDecodeAfterClearFrameBufferCache(DecoderCreator,
const char* file);
// Verifies that result of alpha blending is similar for AlphaPremultiplied and
// AlphaNotPremultiplied cases.
void testAlphaBlending(DecoderCreatorWithAlpha, const char*);
} // namespace blink
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