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 "SkBitmap.h"
12#include "SkCodec.h"
13#include "SkData.h"
14#include "SkImage.h"
15
16static inline bool decode_file(const char* filename, SkBitmap* bitmap,
17                               SkColorType colorType = kN32_SkColorType,
18                               bool requireUnpremul = false) {
19    sk_sp<SkData> data(SkData::MakeFromFileName(filename));
20    std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(data);
21    if (!codec) {
22        return false;
23    }
24
25    SkImageInfo info = codec->getInfo().makeColorType(colorType);
26    if (requireUnpremul && kPremul_SkAlphaType == info.alphaType()) {
27        info = info.makeAlphaType(kUnpremul_SkAlphaType);
28    }
29
30    if (!bitmap->tryAllocPixels(info)) {
31        return false;
32    }
33
34    return SkCodec::kSuccess == codec->getPixels(info, bitmap->getPixels(), bitmap->rowBytes());
35}
36
37static inline sk_sp<SkImage> decode_file(const char filename[]) {
38    sk_sp<SkData> data(SkData::MakeFromFileName(filename));
39    return data ? SkImage::MakeFromEncoded(data) : nullptr;
40}
41#endif  // DecodeFile_DEFINED
42