1ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov// Copyright 2014 PDFium Authors. All rights reserved. 2ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov// Use of this source code is governed by a BSD-style license that can be 3ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov// found in the LICENSE file. 4ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 5ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 7ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#ifndef _REFLOW_ENGINE_H 8ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#define _REFLOW_ENGINE_H 9ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "../fpdfapi/fpdf_render.h" 10ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "../fpdftext/fpdf_text.h" 11ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "fpdf_layout.h" 12ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "../fpdfapi/fpdf_pageobj.h" 13ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "../fpdfdoc/fpdf_tagged.h" 14ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovclass IPDF_ReflowedPage 15ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov{ 16ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovpublic: 17ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov static IPDF_ReflowedPage* Create(); 18ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 19ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual ~IPDF_ReflowedPage() {} 20ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual CFX_PrivateData* GetPrivateDataCtrl() = 0; 21ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 22ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 23ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 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; 24ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual FX_FLOAT GetPageHeight() = 0; 25ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual FX_FLOAT GetPageWidth() = 0; 26ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void FocusGetData(const CFX_AffineMatrix matrix, FX_INT32 x, FX_INT32 y, CFX_ByteString& str) = 0; 27ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual FX_BOOL FocusGetPosition(const CFX_AffineMatrix matrix, CFX_ByteString str, FX_INT32& x, FX_INT32& y) = 0; 28ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov}; 29ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovtypedef struct _RF_ParseStyle { 30ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov _RF_ParseStyle() 31ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 32ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov m_LineSpace = 0; 33ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov }; 34ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FX_FLOAT m_LineSpace; 35ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov} RF_ParseStyle; 36ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovclass IPDF_ProgressiveReflowPageParser 37ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov{ 38ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovpublic: 39ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov static IPDF_ProgressiveReflowPageParser* Create(); 40ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov static FX_BOOL IsTaggedPage(CPDF_PageObjects*pPage); 41ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 42ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual ~IPDF_ProgressiveReflowPageParser() {} 43ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef enum { Ready, ToBeContinued, Done, Failed } ParseStatus; 44ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 45ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual ParseStatus GetStatus() = 0; 46ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void SetParserStyle(RF_ParseStyle style) = 0; 47ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void Start(IPDF_ReflowedPage* pReflowPage, CPDF_Page* pPage, FX_FLOAT TopIndent, FX_FLOAT fWidth, FX_FLOAT fHeight, IFX_Pause* pPause, int flags) = 0; 48ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void Continue(IFX_Pause* pPause) = 0; 49ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 50ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual int GetPosition() = 0; 51ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 52ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 53ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void Clear() = 0; 54ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov}; 55ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovclass IPDF_ProgressiveReflowPageRender 56ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov{ 57ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovpublic: 58ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov static IPDF_ProgressiveReflowPageRender* Create(); 59ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 60ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual ~IPDF_ProgressiveReflowPageRender() {} 61ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef enum { Ready, ToBeContinued, Waiting, Done, Failed } RenderStatus; 62ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 63ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual RenderStatus GetStatus() = 0; 64ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 65ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 66ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void Start(IPDF_ReflowedPage* pReflowPage, CFX_RenderDevice* pDevice, const CFX_AffineMatrix* pMatrix, IFX_Pause* pPause, int DitherBits ) = 0; 67ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void Continue(IFX_Pause* pPause) = 0; 68ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual int GetPosition() = 0; 69ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 70ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 71ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov virtual void Clear() = 0; 72ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov}; 73ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovIPDF_ReflowedPage* Create_ReflowPage(); 74ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovIPDF_ProgressiveReflowPageParser* Create_ReflowPageParser(); 75ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovIPDF_ProgressiveReflowPageRender* Create_ReflowPageRender(); 76ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#endif 77