Merge to XFA: Remove unused reflow code.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1181803002.

(cherry picked from commit f25db681003f0247e97bfef22be56a8aa02b7595)

Review URL: https://codereview.chromium.org/1182993002.

1 files changed, 0 insertions, 781 deletions

diff --git a/core/src/reflow/autoreflow.cpp b/core/src/reflow/autoreflow.cpp
deleted file mode 100644
index 77d60c4efa..0000000000
--- a/core/src/reflow/autoreflow.cpp
+++ /dev/null
@@ -1,781 +0,0 @@
-// 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
-
-#include "autoreflow.h"
-#define approachto(a,b,c) (FXSYS_fabs((float)((a)-(b)))>(c) ? 0 : 1)
-int FPDF_ProcessInterObj(const CPDF_PageObject* pPrevObj, const CPDF_PageObject* pObj)
-{
-    CFX_AffineMatrix matrix;
-    FX_RECT PreRect = pPrevObj->GetBBox(&matrix);
-    FX_RECT rect = pObj->GetBBox(&matrix);
-    int flag = 0;
-    if(PreRect.top > rect.bottom) {
-        flag = 0;
-    } else if(rect.top > PreRect.bottom) {
-        flag = 1;
-    } else if(PreRect.right < rect.left) {
-        flag = 0;
-    } else if(PreRect.left > rect.right) {
-        flag = 1;
-    } else if(pObj->m_Type != PDFPAGE_TEXT) {
-        flag = 1;
-    } else if(pPrevObj->m_Type != PDFPAGE_TEXT) {
-        flag = 0;
-    } else {
-        if((PreRect.top < rect.top && PreRect.bottom > rect.bottom) ||
-                (PreRect.top > rect.top && PreRect.bottom < rect.bottom)) {
-            if(PreRect.left > rect.left) {
-                flag = 1;
-            } else {
-                flag = 0;
-            }
-        } else {
-            CPDF_TextObject* pPrevTextObj = (CPDF_TextObject* )pPrevObj;
-            CPDF_TextObject* pTextObj = (CPDF_TextObject* )pObj;
-            CPDF_TextObjectItem item, prevItem;
-            pPrevTextObj->GetItemInfo(0, &prevItem);
-            pTextObj->GetItemInfo(0, &item);
-            CFX_AffineMatrix TextMatrix;
-            pTextObj->GetTextMatrix(&TextMatrix);
-            FX_FLOAT originX, originY, prevOriginX, preOriginY;
-            TextMatrix.Transform(item.m_OriginX, item.m_OriginY, originX, originY);
-            pPrevTextObj->GetTextMatrix(&TextMatrix);
-            TextMatrix.Transform(prevItem.m_OriginX, prevItem.m_OriginY, prevOriginX, preOriginY);
-            if(preOriginY > originY) {
-                flag = 0;
-            } else {
-                flag = 1;
-            }
-        }
-    }
-    return flag;
-}
-void CPDF_AutoReflowLayoutProvider::Conver2AppreceOrder(const CPDF_PageObjects* pStreamOrderObjs, CPDF_PageObjects* pAppraceOrderObjs)
-{
-    FX_POSITION pos = pStreamOrderObjs->GetFirstObjectPosition();
-    CFX_AffineMatrix matrix;
-    while(pos) {
-        CPDF_PageObject* pObj = pStreamOrderObjs->GetNextObject(pos);
-        CFX_AffineMatrix matrix;
-        if(pObj->m_Type != PDFPAGE_TEXT) {
-            continue;
-        }
-        FX_POSITION pos1 = pAppraceOrderObjs->GetLastObjectPosition();
-        while(pos1) {
-            CPDF_PageObject* pTempObj = pAppraceOrderObjs->GetPrevObject(pos1);
-            if(FPDF_ProcessInterObj(pObj, pTempObj) == 1) {
-                if(!pos1) {
-                    pos1 = pAppraceOrderObjs->GetFirstObjectPosition();
-                } else {
-                    pAppraceOrderObjs->GetNextObject(pos1);
-                }
-                break;
-            }
-        }
-        pAppraceOrderObjs->InsertObject(pos1, pObj);
-    }
-    pos = pStreamOrderObjs->GetFirstObjectPosition();
-    while(pos) {
-        CPDF_PageObject* pObj = pStreamOrderObjs->GetNextObject(pos);
-        if(pObj->m_Type != PDFPAGE_IMAGE) {
-            continue;
-        }
-        FX_POSITION pos1 = pAppraceOrderObjs->GetLastObjectPosition();
-        while(pos1) {
-            CPDF_PageObject* pTempObj = pAppraceOrderObjs->GetPrevObject(pos1);
-            if(FPDF_ProcessInterObj(pObj, pTempObj) == 1) {
-                if(!pos1) {
-                    pos1 = pAppraceOrderObjs->GetFirstObjectPosition();
-                } else {
-                    pAppraceOrderObjs->GetNextObject(pos1);
-                }
-                break;
-            }
-        }
-        pAppraceOrderObjs->InsertObject(pos1, pObj);
-    }
-}
-IPDF_LayoutProvider* IPDF_LayoutProvider::Create_LayoutProvider_AutoReflow(CPDF_PageObjects* pPage, FX_BOOL bReadOrder)
-{
-    return FX_NEW CPDF_AutoReflowLayoutProvider(pPage, bReadOrder);
-}
-CPDF_AutoReflowElement::CPDF_AutoReflowElement(LayoutType layoutType , CPDF_AutoReflowElement* pParent)
-{
-    m_ElmType = layoutType;
-    m_pParentElm = pParent;
-    if(pParent) {
-        pParent->m_ChildArray.Add(this);
-    }
-    m_SpaceBefore = 0;
-}
-CPDF_AutoReflowElement::~CPDF_AutoReflowElement()
-{
-    m_ChildArray.RemoveAll();
-    m_ObjArray.RemoveAll();
-}
-int	CPDF_AutoReflowElement::CountAttrValues(LayoutAttr attr_type)
-{
-    return 1;
-}
-LayoutEnum CPDF_AutoReflowElement::GetEnumAttr(LayoutAttr attr_type, int index )
-{
-    return LayoutInvalid;
-}
-FX_FLOAT	CPDF_AutoReflowElement::GetNumberAttr(LayoutAttr attr_type, int index )
-{
-    switch (attr_type) {
-        case LayoutSpaceBefore:
-            return m_SpaceBefore;
-        default:
-            return 0;
-    }
-}
-FX_COLORREF	CPDF_AutoReflowElement::GetColorAttr(LayoutAttr attr_type, int index )
-{
-    return 0;
-}
-#define WritingMode_UNKNOW	0
-#define WritingMode_LRTB	1
-#define WritingMode_RLTB	2
-#define WritingMode_TBRL	3
-CPDF_AutoReflowLayoutProvider::CPDF_AutoReflowLayoutProvider(CPDF_PageObjects* pPage, FX_BOOL bReadOrder)
-{
-    m_pPDFPage = (CPDF_Page*)pPage;
-    FX_FLOAT width = m_pPDFPage->GetPageWidth();
-    FX_FLOAT height = m_pPDFPage->GetPageHeight();
-    m_pPDFPage->GetDisplayMatrix(m_PDFDisplayMatrix, 0, 0, (int)(m_pPDFPage->GetPageWidth()), (int)(m_pPDFPage->GetPageHeight()), 0);
-    m_bReadOrder = bReadOrder;
-    m_Status = LayoutReady;
-    m_pRoot = NULL;
-    m_pCurrElm = NULL;
-    m_pPreObj = NULL;
-    m_Step = 0;
-    m_WritingMode = WritingMode_UNKNOW;
-}
-CPDF_AutoReflowLayoutProvider::~CPDF_AutoReflowLayoutProvider()
-{
-    m_pPDFPage = NULL;
-    ReleaseElm(m_pRoot);
-}
-void CPDF_AutoReflowLayoutProvider::ReleaseElm(CPDF_AutoReflowElement*& pElm, FX_BOOL bReleaseChildren)
-{
-    if(bReleaseChildren) {
-        int count = pElm->CountChildren();
-        for(int i = 0; i < count; i++) {
-            CPDF_AutoReflowElement* pChild = (CPDF_AutoReflowElement*)pElm->GetChild(i);
-            ReleaseElm(pChild);
-        }
-    }
-    delete pElm;
-    pElm = NULL;
-}
-void CPDF_AutoReflowLayoutProvider::AddObjectArray(CPDF_AutoReflowElement* pElm, CFX_PtrList& ObjList)
-{
-    if(!pElm) {
-        return;
-    }
-    FX_POSITION pos = ObjList.GetHeadPosition();
-    while (pos) {
-        pElm->m_ObjArray.Add((CPDF_PageObject*)ObjList.GetNext(pos));
-    }
-}
-void CPDF_AutoReflowLayoutProvider::GenerateStructTree()
-{
-    if (m_Step < AUTOREFLOW_STEP_GENERATELINE) {
-        GenerateLine(m_cellArray);
-        if(m_cellArray.GetSize() == 0) {
-            m_Status = LayoutError;
-            return;
-        }
-        if(m_pPause && m_pPause->NeedToPauseNow()) {
-            m_Step = AUTOREFLOW_STEP_GENERATELINE;
-            m_Status = LayoutToBeContinued;
-            return;
-        }
-    }
-    if (m_Step < AUTOREFLOW_STEP_GENERATEParagraph) {
-        GenerateParagraph(m_cellArray);
-        if(m_pPause && m_pPause->NeedToPauseNow()) {
-            m_Step = AUTOREFLOW_STEP_GENERATEParagraph;
-            m_Status = LayoutToBeContinued;
-            return;
-        }
-    }
-    if (m_Step < AUTOREFLOW_STEP_CREATEELEMENT) {
-        CreateElement();
-        if(m_pPause && m_pPause->NeedToPauseNow()) {
-            m_Step = AUTOREFLOW_STEP_CREATEELEMENT;
-            m_Status = LayoutToBeContinued;
-            return;
-        }
-    }
-    if (m_Step < AUTOREFLOW_STEP_REMOVEDATA) {
-        int count = m_cellArray.GetSize();
-        for(int i = 0; i < count; i++) {
-            CRF_CELL* pCell = (CRF_CELL*)m_cellArray.GetAt(i);
-            if(pCell) {
-                pCell->m_ObjList.RemoveAll();
-                delete pCell;
-            }
-        }
-        m_cellArray.RemoveAll();
-        if(m_pPause && m_pPause->NeedToPauseNow()) {
-            m_Step = AUTOREFLOW_STEP_REMOVEDATA;
-            m_Status = LayoutToBeContinued;
-            return;
-        }
-    }
-    m_Step = AUTOREFLOW_STEP_REMOVEDATA;
-    m_Status = LayoutFinished;
-    return;
-}
-void CPDF_AutoReflowLayoutProvider::CreateElement()
-{
-    int count = m_cellArray.GetSize();
-    CRF_CELL* plastCell = NULL;
-    CRF_CELL* pCell = NULL;
-    CRF_CELL* pNextCell = NULL;
-    CPDF_AutoReflowElement* pParent = m_pRoot;
-    CPDF_AutoReflowElement* pCurrElm = NULL;
-    int i;
-    for(i = 0; i < count; i++) {
-        pCell = (CRF_CELL*)m_cellArray.GetAt(i);
-        if(!pCell) {
-            continue;
-        }
-        if(i < count - 1) {
-            pNextCell = (CRF_CELL*)m_cellArray.GetAt(i + 1);
-        } else {
-            pNextCell = NULL;
-        }
-        pCurrElm = NULL;
-        pCurrElm = FX_NEW CPDF_AutoReflowElement(LayoutParagraph, pParent);
-        if(pCurrElm->GetType() == LayoutParagraph && plastCell) {
-            int SpaceBefore = 0;
-            if(pCell->m_CellWritingMode != plastCell->m_CellWritingMode ) {
-                SpaceBefore = 20;
-            } else if(pCell->m_CellWritingMode == WritingMode_LRTB) {
-                SpaceBefore = plastCell->m_BBox.bottom - pCell->m_BBox.top;
-            } else if(pCell->m_CellWritingMode == WritingMode_TBRL) {
-                SpaceBefore = plastCell->m_BBox.left - pCell->m_BBox.right;
-            }
-            if(SpaceBefore > 0) {
-                pCurrElm->m_SpaceBefore = SpaceBefore > 50 ? 50.0f : SpaceBefore;
-            }
-        }
-        AddObjectArray(pCurrElm, pCell->m_ObjList);
-        plastCell = pCell;
-    }
-}
-void CPDF_AutoReflowLayoutProvider::GenerateParagraph(CFX_PtrArray& cellArray)
-{
-    int count = cellArray.GetSize();
-    if(count <= 1) {
-        return;
-    }
-    CRF_CELL* plastCell = (CRF_CELL*)cellArray.GetAt(0);
-    if(plastCell->m_BBox.Height() > plastCell->m_BBox.Width()) {
-        m_WritingMode = WritingMode_TBRL;
-    } else {
-        m_WritingMode = WritingMode_LRTB;
-    }
-    FX_BOOL bEnforce = FALSE;
-    int i = 0;
-    for(i = 1; i < count; i++) {
-        CRF_CELL* pCell = (CRF_CELL*)cellArray.GetAt(i);
-        if(!pCell) {
-            continue;
-        }
-        int c = pCell->m_ObjList.GetCount();
-        FX_BOOL bMerge = FALSE;
-        FX_POSITION pos1 = plastCell->m_ObjList.GetTailPosition();
-        CPDF_PageObject* pLastObj = (CPDF_PageObject*)plastCell->m_ObjList.GetPrev(pos1);
-        pos1 = pCell->m_ObjList.GetHeadPosition();
-        CPDF_PageObject* pCurObj = (CPDF_PageObject*)pCell->m_ObjList.GetNext(pos1);
-        int WritingMode = GetRectEnd(pCell->m_BBox);
-        if(pCell->m_CellWritingMode == WritingMode_UNKNOW) {
-            if(pCell->m_BBox.Height() > pCell->m_BBox.Width()) {
-                pCell->m_CellWritingMode = WritingMode_TBRL;
-            } else {
-                pCell->m_CellWritingMode = WritingMode_LRTB;
-            }
-        }
-        WritingMode = pCell->m_CellWritingMode;
-        if(WritingMode == WritingMode_LRTB && (m_Style.m_Language & LP_Lang_ChinesePRC || m_Style.m_Language & LP_Lang_ChineseTaiwan
-                                               || m_Style.m_Language & LP_Lang_Japanese || m_Style.m_Language & LP_Lang_Korean)) {
-            if(pCurObj->m_Type == PDFPAGE_TEXT) {
-                CPDF_TextObject* pText;
-                pText = (CPDF_TextObject*)pCurObj;
-                if(pText->CountItems()) {
-                    CPDF_TextObjectItem item;
-                    pText->GetItemInfo(0, &item);
-                    CFX_WideString str = pText->GetFont()->UnicodeFromCharCode(item.m_CharCode);
-                    FX_WCHAR unicode = str.GetAt(0);
-                    if(unicode == 32) {
-                        plastCell = pCell;
-                        bMerge = FALSE;
-                        bEnforce = FALSE;
-                        continue;
-                    }
-                }
-            }
-        }
-        if(m_WritingMode == WritingMode) {
-            if(bEnforce) {
-                bMerge = FALSE;
-                bEnforce = FALSE;
-                if(pCurObj->m_Type == PDFPAGE_TEXT) {
-                    CPDF_TextObject* pText;
-                    pText = (CPDF_TextObject*)pCurObj;
-                    if(pText->CountItems()) {
-                        CPDF_TextObjectItem item;
-                        pText->GetItemInfo(0, &item);
-                        CFX_WideString str = pText->GetFont()->UnicodeFromCharCode(item.m_CharCode);
-                        FX_WCHAR unicode = str.GetAt(0);
-                        if(unicode > 96 && unicode < 123) {
-                            bMerge = TRUE;
-                        }
-                    }
-                } else {
-                    CPDF_ImageObject* pImage = (CPDF_ImageObject*)pCurObj;
-                    FX_RECT imageBBox = pImage->GetBBox(&m_PDFDisplayMatrix);
-                    if(GetRectEnd(plastCell->m_BBox) - GetRectEnd(pCell->m_BBox) < GetRectWidth(imageBBox)) {
-                        bMerge = TRUE;
-                    }
-                }
-            } else {
-                if(!approachto(GetRectStart(pCell->m_BBox), GetRectStart(plastCell->m_BBox), GetRectHeight(pCell->m_BBox) / 4)) {
-                    if(approachto(GetRectStart(plastCell->m_BBox), GetRectStart(pCell->m_BBox), GetRectHeight(pCell->m_BBox) * 2.3) &&
-                            GetRectStart(plastCell->m_BBox) - GetRectStart(pCell->m_BBox) > 0) {
-                        if(pCurObj->m_Type == PDFPAGE_TEXT || pLastObj->m_Type == PDFPAGE_TEXT) {
-                            CPDF_TextObject* pText;
-                            if(pCurObj->m_Type == PDFPAGE_TEXT) {
-                                pText = (CPDF_TextObject*)pCurObj;
-                            } else {
-                                pText = (CPDF_TextObject*)pLastObj;
-                            }
-                            CPDF_TextObjectItem item;
-                            pText->GetItemInfo(0, &item);
-                            CFX_WideString str = pText->GetFont()->UnicodeFromCharCode(item.m_CharCode);
-                            FX_WCHAR unicode = str.GetAt(0);
-                            if(unicode > 255) {
-                                bMerge = TRUE;
-                            }
-                        }
-                    }
-                } else if(!approachto(GetRectEnd(pCell->m_BBox), GetRectEnd(plastCell->m_BBox), GetRectHeight(pCell->m_BBox) * 3)) {
-                    FX_RECT rect = pLastObj->GetBBox(&m_PDFDisplayMatrix);
-                    if(approachto(GetRectStart(pCell->m_BBox), GetRectStart(plastCell->m_BBox), GetRectHeight(pCell->m_BBox) / 4)) {
-                        if(GetRectEnd(rect) - GetRectEnd(pCell->m_BBox) > 0) {
-                            bMerge = TRUE;
-                            bEnforce = TRUE;
-                        } else if(GetRectEnd(rect) - GetRectEnd(pCell->m_BBox) <= 0 &&
-                                  GetRectEnd(rect) - GetRectEnd(pCell->m_BBox) > GetRectHeight(pCell->m_BBox) * -3) {
-                            if(pCurObj->m_Type == PDFPAGE_TEXT) {
-                                CPDF_TextObject* pText = (CPDF_TextObject*)pCurObj;
-                                CPDF_TextObjectItem item;
-                                pText->GetItemInfo(0, &item);
-                                CFX_WideString str = pText->GetFont()->UnicodeFromCharCode(item.m_CharCode);
-                                FX_WCHAR unicode = str.GetAt(0);
-                                if(unicode > 96 && unicode < 123) {
-                                    bMerge = TRUE;
-                                }
-                            }
-                        }
-                    }
-                } else {
-                    bMerge = TRUE;
-                }
-            }
-        } else {
-            m_WritingMode = WritingMode;
-            bEnforce = FALSE;
-        }
-        if(bMerge) {
-            if(GetRectEnd(plastCell->m_BBox) - GetRectEnd(pCell->m_BBox) > 30) {
-                bEnforce = TRUE;
-            }
-            FX_POSITION pos = pCell->m_ObjList.GetHeadPosition();
-            while(pos) {
-                plastCell->m_ObjList.AddTail(pCell->m_ObjList.GetNext(pos));
-            }
-            plastCell->m_BBox.Union(pCell->m_BBox);
-            pCell->m_ObjList.RemoveAll();
-            delete pCell;
-            cellArray.RemoveAt(i);
-            i--;
-            count--;
-        } else {
-            plastCell = pCell;
-        }
-    }
-}
-void CPDF_AutoReflowLayoutProvider::ProcessObj(CFX_PtrArray& cellArray, CPDF_PageObject* pObj, CFX_AffineMatrix matrix)
-{
-}
-int32_t CPDF_AutoReflowLayoutProvider::LogicPreObj(CPDF_PageObject* pObj)
-{
-    CPDF_PageObject* pPreObj = m_pPreObj;
-    m_pPreObj = pObj;
-    if(!pPreObj) {
-        return 0;
-    }
-    if(pPreObj->m_Type != pObj->m_Type) {
-        return 0;
-    }
-    CFX_FloatRect rcCurObj(pObj->m_Left, pObj->m_Bottom, pObj->m_Right, pObj->m_Top);
-    CFX_FloatRect rcPreObj(pPreObj->m_Left, pPreObj->m_Bottom, pPreObj->m_Right, pPreObj->m_Top);
-    if(pObj->m_Type == PDFPAGE_IMAGE) {
-        if(rcPreObj.Contains(rcCurObj)) {
-            return 2;
-        }
-        if(rcCurObj.Contains(rcPreObj)) {
-            return 2;
-        }
-        return 0;
-    }
-    if(pObj->m_Type == PDFPAGE_TEXT) {
-        if(!((rcPreObj.bottom > rcCurObj.top) || (rcPreObj.top < rcCurObj.bottom))) {
-            FX_FLOAT height = FX_MIN(rcPreObj.Height(), rcCurObj.Height());
-            if((rcCurObj.left - rcPreObj.right) > height / 3) {
-                return 3;
-            }
-        }
-        if(FXSYS_fabs(rcPreObj.Width() - rcCurObj.Width()) >= 2 || FXSYS_fabs(rcPreObj.Height() - rcCurObj.Height()) >= 2 ) {
-            return 0;
-        }
-        CPDF_TextObject* pPreTextObj = (CPDF_TextObject*)pPreObj;
-        CPDF_TextObject* pCurTextObj = (CPDF_TextObject*)pObj;
-        int nPreCount = pPreTextObj->CountItems();
-        int nCurCount = pCurTextObj->CountItems();
-        if (nPreCount != nCurCount) {
-            return 0;
-        }
-        FX_BOOL bSame = TRUE;
-        for (int i = 0; i < nPreCount; i++) {
-            CPDF_TextObjectItem itemPer, itemCur;
-            pPreTextObj->GetItemInfo(i, &itemPer);
-            pCurTextObj->GetItemInfo(i, &itemCur);
-            if (itemCur.m_CharCode != itemPer.m_CharCode) {
-                return 0;
-            }
-            if (itemCur.m_OriginX != itemPer.m_OriginX) {
-                bSame = FALSE;
-            }
-            if (itemCur.m_OriginY != itemPer.m_OriginY) {
-                bSame = FALSE;
-            }
-        }
-        if(rcPreObj.left == rcCurObj.left && rcPreObj.top == rcCurObj.top) {
-            return 1;
-        }
-        if(FXSYS_fabs(rcPreObj.left - rcCurObj.left) < rcPreObj.Width() / 3
-                && FXSYS_fabs(rcPreObj.top - rcCurObj.top) < rcPreObj.Height() / 3) {
-            return 2;
-        }
-    }
-    return 0;
-}
-void CPDF_AutoReflowLayoutProvider::GenerateLine(CFX_PtrArray& cellArray)
-{
-    CRF_CELL* pCell = NULL;
-    CFX_AffineMatrix matrix;
-    FX_POSITION pos = m_pPDFPage->GetFirstObjectPosition();
-    if(!pos) {
-        return;
-    }
-    FX_FLOAT PDFWidth = m_pPDFPage->GetPageWidth();
-    FX_FLOAT PDFHeight = m_pPDFPage->GetPageHeight();
-    m_pPDFPage->GetDisplayMatrix(m_PDFDisplayMatrix, 0, 0, (int)PDFWidth, (int)PDFHeight, 0);
-    CPDF_PageObject* pPerObj = NULL;
-    int a = 0;
-    CFX_FloatRect pageBBox = m_pPDFPage->m_BBox;
-    FX_FLOAT PrevX = 0 , PrevY = 0, PosX, PosY;
-    while(pos) {
-        CPDF_PageObject* pObj = m_pPDFPage->GetNextObject(pos);
-        if(!pObj || pObj->m_Type == PDFPAGE_PATH) {
-            continue;
-        }
-        int logic = LogicPreObj(pObj);
-        if(logic == 2) {
-            if(pCell) {
-                pCell->m_ObjList.SetAt(pCell->m_ObjList.GetTailPosition(), pObj);
-            }
-            continue;
-        }
-        if (pObj->m_Type == PDFPAGE_TEXT) {
-            CPDF_TextObject* pTextObj = (CPDF_TextObject*)pObj;
-            int textmode = pTextObj->m_TextState.GetObject()->m_TextMode;
-            if(m_Style.m_bIgnoreInvisibleText && pTextObj->m_TextState.GetObject()->m_TextMode == 3) {
-                continue;
-            }
-            PosX = pTextObj->GetPosX();
-            PosY = pTextObj->GetPosY();
-            m_PDFDisplayMatrix.Transform(PosX, PosY);
-        } else {
-            PosX = 0;
-            PosY = 0;
-        }
-        FX_BOOL bNewLine = TRUE;
-        FX_RECT ObjBBox = pObj->GetBBox(&m_PDFDisplayMatrix);
-        if(ObjBBox.left > PDFWidth || ObjBBox.right < 0 ||
-                ObjBBox.bottom < 0 || ObjBBox.top > PDFHeight) {
-            continue;
-        }
-        if(ObjBBox.IsEmpty()) {
-            continue;
-        }
-        a++;
-        if(!pCell) {
-            bNewLine = TRUE;
-            m_WritingMode = GetWritingMode(NULL, pObj);
-        } else {
-            int WritingMode = GetWritingMode(pPerObj, pObj);
-            if(m_WritingMode == WritingMode || m_WritingMode == WritingMode_UNKNOW || WritingMode == WritingMode_UNKNOW) {
-                if(WritingMode != WritingMode_UNKNOW) {
-                    m_WritingMode = WritingMode;
-                }
-                if(m_WritingMode == WritingMode_TBRL) {
-                    if(!(GetRectBottom(ObjBBox) > GetRectTop(pCell->m_BBox) ||
-                            GetRectTop(ObjBBox) < GetRectBottom(pCell->m_BBox))) {
-                        bNewLine = FALSE;
-                    }
-                } else {
-                    if(!(GetRectBottom(ObjBBox) < GetRectTop(pCell->m_BBox) ||
-                            GetRectTop(ObjBBox) > GetRectBottom(pCell->m_BBox))) {
-                        bNewLine = FALSE;
-                    }
-                    if (pObj->m_Type == PDFPAGE_TEXT) {
-                        if(FXSYS_fabs(PrevY - PosY) < 1 ) {
-                            bNewLine = FALSE;
-                        }
-                    }
-                }
-            } else {
-                m_WritingMode = WritingMode;
-            }
-        }
-        pPerObj = pObj;
-        if(bNewLine) {
-            int c = pCell ? pCell->m_ObjList.GetCount() : 0;
-            pCell = FX_NEW CRF_CELL;
-            pCell->m_CellWritingMode = m_WritingMode;
-            pCell->m_BBox = ObjBBox;
-            if(pObj->m_Type == PDFPAGE_TEXT) {
-                FX_FLOAT x = ((CPDF_TextObject*)pObj)->GetPosX(), y = ((CPDF_TextObject*)pObj)->GetPosY();
-                m_PDFDisplayMatrix.Transform(x, y);
-                if(x < ObjBBox.left) {
-                    pCell->m_BBox.left = (int)x;
-                }
-            }
-            pCell->m_ObjList.AddTail(pObj);
-            cellArray.Add(pCell);
-        } else {
-            pCell->m_ObjList.AddTail(pObj);
-            pCell->m_BBox.Union(ObjBBox);
-        }
-        PrevX = PosX;
-        PrevY = PosY;
-    }
-}
-FX_FLOAT CPDF_AutoReflowLayoutProvider::GetLayoutOrderHeight(CPDF_PageObject* pCurObj)
-{
-    CFX_FloatRect rcCurObj(pCurObj->m_Left, pCurObj->m_Bottom, pCurObj->m_Right, pCurObj->m_Top);
-    if (m_WritingMode == WritingMode_TBRL) {
-        return rcCurObj.Width();
-    }
-    return rcCurObj.Height();
-}
-FX_FLOAT CPDF_AutoReflowLayoutProvider::GetLayoutOrderWidth(CPDF_PageObject* pCurObj)
-{
-    CFX_FloatRect rcCurObj(pCurObj->m_Left, pCurObj->m_Bottom, pCurObj->m_Right, pCurObj->m_Top);
-    if (m_WritingMode == WritingMode_TBRL) {
-        return rcCurObj.Height();
-    }
-    return rcCurObj.Width();
-}
-int CPDF_AutoReflowLayoutProvider:: GetRectWidth(FX_RECT rect)
-{
-    if(m_WritingMode == WritingMode_TBRL) {
-        return rect.Height();
-    }
-    return rect.Width();
-}
-int CPDF_AutoReflowLayoutProvider:: GetRectHeight(FX_RECT rect)
-{
-    if(m_WritingMode == WritingMode_TBRL) {
-        return rect.Width();
-    }
-    return rect.Height();
-}
-int CPDF_AutoReflowLayoutProvider:: GetRectStart(FX_RECT rect)
-{
-    if(m_WritingMode == WritingMode_TBRL) {
-        return rect.top;
-    }
-    return rect.left;
-}
-int CPDF_AutoReflowLayoutProvider:: GetRectEnd(FX_RECT rect)
-{
-    if(m_WritingMode == WritingMode_TBRL) {
-        return rect.bottom;
-    }
-    return rect.right;
-}
-int CPDF_AutoReflowLayoutProvider:: GetRectTop(FX_RECT rect)
-{
-    if(m_WritingMode == WritingMode_TBRL) {
-        return rect.right;
-    }
-    return rect.top;
-}
-int CPDF_AutoReflowLayoutProvider:: GetRectBottom(FX_RECT rect)
-{
-    if(m_WritingMode == WritingMode_TBRL) {
-        return rect.left;
-    }
-    return rect.bottom;
-}
-int CPDF_AutoReflowLayoutProvider::GetWritingMode(CPDF_PageObject* pPreObj, CPDF_PageObject* pCurObj)
-{
-    CFX_FloatRect rcCurObj(pCurObj->m_Left, pCurObj->m_Bottom, pCurObj->m_Right, pCurObj->m_Top);
-    if(pCurObj->m_Type == PDFPAGE_TEXT) {
-        CPDF_TextObject* ptextObj = (CPDF_TextObject* )pCurObj;
-        int count = ptextObj->CountItems();
-        if(count > 1) {
-            CPDF_TextObjectItem Item1, Item2;
-            ptextObj->GetItemInfo(0, &Item1);
-            ptextObj->GetItemInfo(count - 1, &Item2);
-            if(Item2.m_CharCode == -1 && count > 2) {
-                ptextObj->GetItemInfo(2, &Item2);
-            }
-            CFX_AffineMatrix textMatrix;
-            ptextObj->GetTextMatrix(&textMatrix);
-            textMatrix.Transform(Item1.m_OriginX, Item1.m_OriginY);
-            textMatrix.Transform(Item2.m_OriginX, Item2.m_OriginY);
-            FX_FLOAT dx = FXSYS_fabs(Item1.m_OriginX - Item2.m_OriginX);
-            FX_FLOAT dy = FXSYS_fabs(Item1.m_OriginY - Item2.m_OriginY);
-            return dx >= dy ? WritingMode_LRTB : WritingMode_TBRL;
-        } else {
-            if(m_WritingMode != WritingMode_UNKNOW) {
-                return m_WritingMode;
-            }
-        }
-    }
-    if(pPreObj) {
-        FX_FLOAT threshold = rcCurObj.Width() / 4;
-        if(m_WritingMode == WritingMode_LRTB) {
-            if(FXSYS_fabs(pPreObj->m_Bottom - pCurObj->m_Bottom) < threshold * 2
-                    && FXSYS_fabs(pPreObj->m_Top - pCurObj->m_Top) < threshold * 2) {
-                return m_WritingMode;
-            }
-            FX_FLOAT mid = (pCurObj->m_Bottom + pCurObj->m_Top) / 2;
-            if(mid > pPreObj->m_Bottom && mid < pPreObj->m_Top && pCurObj->m_Right > pPreObj->m_Right) {
-                return m_WritingMode;
-            }
-        } else if(m_WritingMode == WritingMode_TBRL) {
-            if(FXSYS_fabs(pPreObj->m_Left - pCurObj->m_Left) < threshold * 2
-                    && FXSYS_fabs(pPreObj->m_Right - pCurObj->m_Right) < threshold * 2) {
-                return m_WritingMode;
-            }
-            FX_FLOAT mid = (pCurObj->m_Right + pCurObj->m_Left) / 2;
-            if(mid > pPreObj->m_Left && mid < pPreObj->m_Right && pCurObj->m_Bottom < pPreObj->m_Bottom) {
-                return m_WritingMode;
-            }
-        }
-        if(FXSYS_fabs(pPreObj->m_Left - pCurObj->m_Left) < threshold &&
-                FXSYS_fabs(pPreObj->m_Bottom - pCurObj->m_Bottom) > threshold * 2) {
-            return WritingMode_TBRL;
-        }
-        if(FXSYS_fabs(pPreObj->m_Left - pCurObj->m_Left) > threshold &&
-                FXSYS_fabs(pPreObj->m_Bottom - pCurObj->m_Bottom) < threshold * 2) {
-            return WritingMode_LRTB;
-        }
-        int count = 0;
-        if(pPreObj->m_Type == PDFPAGE_TEXT) {
-            CPDF_TextObject* ptextObj = (CPDF_TextObject* )pCurObj;
-            count = ptextObj->CountItems();
-        }
-        if(pPreObj->m_Type != PDFPAGE_TEXT || count == 1) {
-            if(pCurObj->m_Left > pPreObj->m_Right) {
-                FX_FLOAT mid = (pCurObj->m_Top + pCurObj->m_Bottom) / 2;
-                if(mid < pPreObj->m_Top && mid > pPreObj->m_Bottom) {
-                    return WritingMode_LRTB;
-                }
-            }
-            if(pCurObj->m_Top < pPreObj->m_Bottom) {
-                FX_FLOAT mid = (pCurObj->m_Left + pCurObj->m_Right) / 2;
-                if(mid < pPreObj->m_Right && mid > pPreObj->m_Left) {
-                    return WritingMode_TBRL;
-                }
-            }
-        }
-    }
-    return WritingMode_UNKNOW;
-}
-LayoutStatus CPDF_AutoReflowLayoutProvider::StartLoad(IFX_Pause* pPause)
-{
-    m_pPause = pPause;
-    m_pRoot = FX_NEW CPDF_AutoReflowElement(LayoutDocument);
-    if(!m_pRoot) {
-        return LayoutError;
-    }
-    m_Step = 0;
-    return Continue();
-}
-LayoutStatus CPDF_AutoReflowLayoutProvider::Continue()
-{
-    GenerateStructTree();
-    return m_Status;
-}
-int	CPDF_AutoReflowLayoutProvider::GetPosition()
-{
-    if(m_Step == 0) {
-        return 0;
-    } else {
-        return m_Step * 100 / AUTOREFLOW_STEP_REMOVEDATA;
-    }
-}
-FX_FLOAT CPDF_AutoReflowLayoutProvider::GetObjMinCell(CPDF_PageObject* pObj)
-{
-    if(!pObj) {
-        return 0;
-    }
-    if(pObj->m_Type != PDFPAGE_TEXT) {
-        CFX_AffineMatrix matrix;
-        FX_RECT rect = pObj->GetBBox(&matrix);
-        return (FX_FLOAT)(rect.Width());
-    }
-    CPDF_TextObject* pTextObj = (CPDF_TextObject* )pObj;
-    int count = pTextObj->CountItems();
-    for(int i = 0; i < count; i++) {
-        CPDF_TextObjectItem Item;
-        pTextObj->GetItemInfo(i, &Item);
-        if(Item.m_CharCode == -1) {
-            continue;
-        }
-        if((Item.m_CharCode > 47 && Item.m_CharCode < 58) || (Item.m_CharCode > 64 && Item.m_CharCode < 91)
-                || (Item.m_CharCode > 96 && Item.m_CharCode < 123)) {
-            continue;
-        }
-        if(Item.m_CharCode > 127 || (Item.m_CharCode > 32 && Item.m_CharCode < 35) || Item.m_CharCode == 37 ||
-                (Item.m_CharCode > 38 && Item.m_CharCode < 42) || Item.m_CharCode == 44 || Item.m_CharCode == 46 ||
-                Item.m_CharCode == 58 || Item.m_CharCode == 59 || Item.m_CharCode == 63 || Item.m_CharCode == 93) {
-            if(i == count - 1) {
-                CFX_AffineMatrix matrix;
-                FX_RECT rect = pObj->GetBBox(&matrix);
-                return (FX_FLOAT)(rect.Width());
-            } else {
-                pTextObj->GetItemInfo(i + 1, &Item);
-                return Item.m_OriginX;
-            }
-        }
-        return Item.m_OriginX;
-    }
-    CFX_AffineMatrix matrix;
-    FX_RECT rect = pObj->GetBBox(&matrix);
-    return (FX_FLOAT)(rect.Width());
-}