1/* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#ifndef DecodeFile_DEFINED 9#define DecodeFile_DEFINED 10 11#include "include/codec/SkCodec.h" 12#include "include/core/SkBitmap.h" 13#include "include/core/SkData.h" 14#include "include/core/SkImage.h" 15 16static inline bool decode_file(sk_sp<SkData> data, SkBitmap* bitmap, 17 SkColorType colorType = kN32_SkColorType, 18 bool requireUnpremul = false) { 19 std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(std::move(data)); 20 if (!codec) { 21 return false; 22 } 23 24 SkImageInfo info = codec->getInfo().makeColorType(colorType); 25 if (requireUnpremul && kPremul_SkAlphaType == info.alphaType()) { 26 info = info.makeAlphaType(kUnpremul_SkAlphaType); 27 } 28 29 if (!bitmap->tryAllocPixels(info)) { 30 return false; 31 } 32 33 return SkCodec::kSuccess == codec->getPixels(info, bitmap->getPixels(), bitmap->rowBytes()); 34} 35 36static inline bool decode_file(const char* filename, SkBitmap* bitmap, 37 SkColorType colorType = kN32_SkColorType, 38 bool requireUnpremul = false) { 39 return decode_file(SkData::MakeFromFileName(filename), bitmap, colorType, requireUnpremul); 40} 41 42static inline sk_sp<SkImage> decode_file(const char filename[]) { 43 sk_sp<SkData> data(SkData::MakeFromFileName(filename)); 44 return data ? SkImage::MakeFromEncoded(data) : nullptr; 45} 46#endif // DecodeFile_DEFINED 47