| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "SkAndroidCodec.h" |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkData.h" |
| #include "SkSurface.h" |
| |
| #include <fstream> |
| #include <iostream> |
| #include "../includes/memutils.h" |
| |
| #define SAMPLE_SIZE 6 |
| char enable_selective_overload = ENABLE_NONE; |
| |
| int decode(sk_sp<SkData> bytes, uint8_t sampleSize) { |
| std::unique_ptr < SkAndroidCodec |
| > codec(SkAndroidCodec::NewFromData(bytes)); |
| if (!codec) { |
| return EXIT_FAILURE; |
| } |
| |
| auto size = codec->getSampledDimensions(sampleSize); |
| auto info = SkImageInfo::MakeN32Premul(size); |
| SkBitmap bm; |
| if (!bm.tryAllocPixels(info)) { |
| return EXIT_FAILURE; |
| } |
| |
| SkAndroidCodec::AndroidOptions options; |
| options.fSampleSize = sampleSize; |
| |
| codec->getAndroidPixels(bm.info(), bm.getPixels(), bm.rowBytes(), &options); |
| return EXIT_SUCCESS; |
| } |
| |
| int main(int argc, char **argv) { |
| if (argc != 2) { |
| return EXIT_FAILURE; |
| } |
| std::ifstream inFile(argv[1]); |
| if (!inFile) { |
| return EXIT_FAILURE; |
| } |
| inFile.seekg(0, inFile.end); |
| size_t size = inFile.tellg(); |
| if (size < 1) { |
| inFile.close(); |
| return EXIT_FAILURE; |
| } |
| inFile.seekg(0, inFile.beg); |
| uint8_t *data = (uint8_t *) malloc(size); |
| if (!data) { |
| return EXIT_FAILURE; |
| } |
| inFile.read(reinterpret_cast<char *>(data), size); |
| auto bytes = SkData::MakeWithoutCopy(data, size); |
| bytes = SkData::MakeSubset(bytes.get(), 1, size - 1); |
| enable_selective_overload = ENABLE_ALL; |
| int ret = decode(bytes, SAMPLE_SIZE); |
| enable_selective_overload = ENABLE_NONE; |
| inFile.close(); |
| free(data); |
| return ret; |
| } |