// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_
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#define CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_
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#include "core/fxcrt/include/fx_system.h"
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class CFX_DIBAttribute;
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struct FXPNG_Context;
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#define PNG_ERROR_SIZE 256
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class CCodec_PngModule {
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public:
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CCodec_PngModule() { FXSYS_memset(m_szLastError, 0, sizeof(m_szLastError)); }
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FXPNG_Context* Start(void* pModule);
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void Finish(FXPNG_Context* pContext);
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FX_BOOL Input(FXPNG_Context* pContext,
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const uint8_t* src_buf,
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uint32_t src_size,
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CFX_DIBAttribute* pAttribute);
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FX_BOOL (*ReadHeaderCallback)(void* pModule,
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int width,
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int height,
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int bpc,
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int pass,
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int* color_type,
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double* gamma);
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FX_BOOL (*AskScanlineBufCallback)(void* pModule, int line, uint8_t*& src_buf);
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void (*FillScanlineBufCompletedCallback)(void* pModule, int pass, int line);
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protected:
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FX_CHAR m_szLastError[PNG_ERROR_SIZE];
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};
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#endif // CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_
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