| // 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 _REFLOW_ENGINE_H |
| #define _REFLOW_ENGINE_H |
| #include "../fpdfapi/fpdf_render.h" |
| #include "../fpdftext/fpdf_text.h" |
| #include "fpdf_layout.h" |
| #include "../fpdfapi/fpdf_pageobj.h" |
| #include "../fpdfdoc/fpdf_tagged.h" |
| class IPDF_ReflowedPage |
| { |
| public: |
| static IPDF_ReflowedPage* Create(); |
| |
| virtual ~IPDF_ReflowedPage() {} |
| virtual CFX_PrivateData* GetPrivateDataCtrl() = 0; |
| |
| |
| virtual void GetDisplayMatrix(CFX_AffineMatrix& matrix, FX_INT32 xPos, FX_INT32 yPos, FX_INT32 xSize, FX_INT32 ySize, FX_INT32 iRotate, const CFX_AffineMatrix* pPageMatrix) = 0; |
| virtual FX_FLOAT GetPageHeight() = 0; |
| virtual FX_FLOAT GetPageWidth() = 0; |
| virtual void FocusGetData(const CFX_AffineMatrix matrix, FX_INT32 x, FX_INT32 y, CFX_ByteString& str) = 0; |
| virtual FX_BOOL FocusGetPosition(const CFX_AffineMatrix matrix, CFX_ByteString str, FX_INT32& x, FX_INT32& y) = 0; |
| }; |
| typedef struct _RF_ParseStyle { |
| _RF_ParseStyle() |
| { |
| m_LineSpace = 0; |
| }; |
| FX_FLOAT m_LineSpace; |
| } RF_ParseStyle; |
| class IPDF_ProgressiveReflowPageParser |
| { |
| public: |
| static IPDF_ProgressiveReflowPageParser* Create(); |
| static FX_BOOL IsTaggedPage(CPDF_PageObjects*pPage); |
| |
| virtual ~IPDF_ProgressiveReflowPageParser() {} |
| typedef enum { Ready, ToBeContinued, Done, Failed } ParseStatus; |
| |
| virtual ParseStatus GetStatus() = 0; |
| virtual void SetParserStyle(RF_ParseStyle style) = 0; |
| virtual void Start(IPDF_ReflowedPage* pReflowPage, CPDF_Page* pPage, FX_FLOAT TopIndent, FX_FLOAT fWidth, FX_FLOAT fHeight, IFX_Pause* pPause, int flags) = 0; |
| virtual void Continue(IFX_Pause* pPause) = 0; |
| |
| virtual int GetPosition() = 0; |
| |
| |
| virtual void Clear() = 0; |
| }; |
| class IPDF_ProgressiveReflowPageRender |
| { |
| public: |
| static IPDF_ProgressiveReflowPageRender* Create(); |
| |
| virtual ~IPDF_ProgressiveReflowPageRender() {} |
| typedef enum { Ready, ToBeContinued, Waiting, Done, Failed } RenderStatus; |
| |
| virtual RenderStatus GetStatus() = 0; |
| |
| |
| virtual void Start(IPDF_ReflowedPage* pReflowPage, CFX_RenderDevice* pDevice, const CFX_AffineMatrix* pMatrix, IFX_Pause* pPause, int DitherBits ) = 0; |
| virtual void Continue(IFX_Pause* pPause) = 0; |
| virtual int GetPosition() = 0; |
| |
| |
| virtual void Clear() = 0; |
| }; |
| IPDF_ReflowedPage* Create_ReflowPage(); |
| IPDF_ProgressiveReflowPageParser* Create_ReflowPageParser(); |
| IPDF_ProgressiveReflowPageRender* Create_ReflowPageRender(); |
| #endif |