blob: f57472fb4126558cf56776dc337550162d49ba30 [file] [log] [blame]
// Copyright 2016 Google Inc. All Rights Reserved.
//
// 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 "cobalt/loader/image/dummy_gif_image_decoder.h"
namespace cobalt {
namespace loader {
namespace image {
const char kDummyAdsGif[] = {
'\x47', '\x49', '\x46', '\x38', '\x39', '\x61', '\x01', '\x00', '\x01',
'\x00', '\x80', '\x00', '\x00', '\x00', '\x00', '\x00', '\xFF', '\xFF',
'\xFF', '\x21', '\xF9', '\x04', '\x01', '\x00', '\x00', '\x00', '\x00',
'\x2C', '\x00', '\x00', '\x00', '\x00', '\x01', '\x00', '\x01', '\x00',
'\x00', '\x02', '\x01', '\x44', '\x00', '\x3B'};
DummyGIFImageDecoder::DummyGIFImageDecoder(
render_tree::ResourceProvider* resource_provider)
: ImageDataDecoder(resource_provider) {}
size_t DummyGIFImageDecoder::DecodeChunkInternal(const uint8* data,
size_t input_byte) {
if (input_byte < sizeof(kDummyAdsGif)) {
return 0;
}
if (state() != kWaitingForHeader ||
memcmp(data, kDummyAdsGif, sizeof(kDummyAdsGif)) != 0) {
set_state(kError);
return input_byte;
}
set_state(kDone);
return input_byte;
}
} // namespace image
} // namespace loader
} // namespace cobalt