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/*
* Copyright (c) 2021 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _TVG_PNG_LOADER_H_
#define _TVG_PNG_LOADER_H_
#include "tvgLodePng.h"
#include "tvgTaskScheduler.h"
class PngLoader : public LoadModule, public Task
{
private:
LodePNGState state;
unsigned char* data = nullptr;
unsigned char *image = nullptr;
unsigned long size = 0;
bool freeData = false;
void clear();
public:
PngLoader();
~PngLoader();
using LoadModule::open;
bool open(const string& path) override;
bool open(const char* data, uint32_t size, bool copy) override;
bool read() override;
bool close() override;
unique_ptr<Surface> bitmap() override;
void run(unsigned tid) override;
};
#endif //_TVG_PNG_LOADER_H_
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