diff options
Diffstat (limited to 'core/fxcodec/codec/icodec_bmpmodule.h')
-rw-r--r-- | core/fxcodec/codec/icodec_bmpmodule.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/core/fxcodec/codec/icodec_bmpmodule.h b/core/fxcodec/codec/icodec_bmpmodule.h new file mode 100644 index 0000000000..a67e20cf02 --- /dev/null +++ b/core/fxcodec/codec/icodec_bmpmodule.h @@ -0,0 +1,51 @@ +// Copyright 2017 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 CORE_FXCODEC_CODEC_ICODEC_BMPMODULE_H_ +#define CORE_FXCODEC_CODEC_ICODEC_BMPMODULE_H_ + +#include "core/fxcrt/fx_system.h" + +struct FXBMP_Context; +class CFX_DIBAttribute; + +// Virtual interface to avoid linking in a concrete implementation +// if we do not enable this codec. +class ICodec_BmpModule { + public: + class Delegate { + public: + virtual bool BmpInputImagePositionBuf(uint32_t rcd_pos) = 0; + virtual void BmpReadScanline(int32_t row_num, uint8_t* row_buf) = 0; + }; + + virtual ~ICodec_BmpModule() {} + + virtual FXBMP_Context* Start() = 0; + virtual void Finish(FXBMP_Context* pContext) = 0; + virtual uint32_t GetAvailInput(FXBMP_Context* pContext, + uint8_t** avail_buf_ptr) = 0; + virtual void Input(FXBMP_Context* pContext, + const uint8_t* src_buf, + uint32_t src_size) = 0; + virtual int32_t ReadHeader(FXBMP_Context* pContext, + int32_t* width, + int32_t* height, + bool* tb_flag, + int32_t* components, + int32_t* pal_num, + uint32_t** pal_pp, + CFX_DIBAttribute* pAttribute) = 0; + virtual int32_t LoadImage(FXBMP_Context* pContext) = 0; + + Delegate* GetDelegate() const { return m_pDelegate; } + void SetDelegate(Delegate* pDelegate) { m_pDelegate = pDelegate; } + + protected: + Delegate* m_pDelegate; +}; + +#endif // CORE_FXCODEC_CODEC_ICODEC_BMPMODULE_H_ |