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This patch introduces a jpg loader. For decoding the image, libjpeg-turbo library is used. Library was found to be fast (SIMD instructions accelerated) and portable. @issue: #517
47 lines
1.6 KiB
C++
Executable file
47 lines
1.6 KiB
C++
Executable file
/*
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* Copyright (c) 2021 Samsung Electronics Co., Ltd. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _TVG_JPG_LOADER_H_
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#define _TVG_JPG_LOADER_H_
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#include <turbojpeg.h>
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class JpgLoader : public Loader
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{
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public:
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JpgLoader();
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~JpgLoader();
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using Loader::open;
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bool open(const string& path) override;
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bool read() override;
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bool close() override;
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const uint32_t* pixels() override;
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private:
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tjhandle jpegDecompressor;
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unsigned char* data = nullptr;
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unsigned long size = 0;
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unsigned char *image = nullptr;
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};
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#endif //_TVG_JPG_LOADER_H_
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