From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- core/include/fxcodec/fx_codec_provider.h | 53 ++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 core/include/fxcodec/fx_codec_provider.h (limited to 'core/include/fxcodec/fx_codec_provider.h') diff --git a/core/include/fxcodec/fx_codec_provider.h b/core/include/fxcodec/fx_codec_provider.h new file mode 100644 index 0000000000..4ef61d8552 --- /dev/null +++ b/core/include/fxcodec/fx_codec_provider.h @@ -0,0 +1,53 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _FX_CODEC_PROVIDER_H_ +#define _FX_CODEC_PROVIDER_H_ +class IFX_JpegProvider +{ +public: + + virtual void Release() = 0; + + virtual void* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, int nComps, FX_BOOL ColorTransform) = 0; + + + virtual void DestroyDecoder(void* pDecoder) = 0; + + virtual void DownScale(void* pDecoder, int dest_width, int dest_height) = 0; + + virtual FX_BOOL Rewind(void* pDecoder) = 0; + + virtual FX_LPBYTE GetNextLine(void* pDecoder) = 0; + + virtual FX_DWORD GetSrcOffset(void* pDecoder) = 0; + + + virtual FX_BOOL LoadInfo(FX_LPCBYTE src_buf, FX_DWORD src_size, int& width, int& height, + int& num_components, int& bits_per_components, FX_BOOL& color_transform, + FX_LPBYTE* icc_buf_ptr = NULL, FX_DWORD* icc_length = NULL) = 0; + + virtual FX_BOOL Encode(const class CFX_DIBSource* pSource, FX_LPBYTE& dest_buf, FX_STRSIZE& dest_size, int quality = 75, + FX_LPCBYTE icc_buf = NULL, FX_DWORD icc_length = 0) = 0; + + virtual void* Start() = 0; + + virtual void Finish(void* pContext) = 0; + + virtual void Input(void* pContext, FX_LPCBYTE src_buf, FX_DWORD src_size) = 0; + + virtual int ReadHeader(void* pContext, int* width, int* height, int* nComps) = 0; + + + virtual int StartScanline(void* pContext, int down_scale) = 0; + + + virtual FX_BOOL ReadScanline(void* pContext, FX_LPBYTE dest_buf) = 0; + + + virtual FX_DWORD GetAvailInput(void* pContext, FX_LPBYTE* avail_buf_ptr = NULL) = 0; +}; +#endif -- cgit v1.2.3