| // 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 "layoutprovider_taggedpdf.h" |
| CPDF_LayoutElement::CPDF_LayoutElement() |
| { |
| m_pTaggedElement = NULL; |
| m_pParentElement = NULL; |
| } |
| CPDF_LayoutElement::~CPDF_LayoutElement() |
| { |
| m_ObjArray.RemoveAll(); |
| int size = m_ChildArray.GetSize(); |
| for(int i = 0; i < size; i++) { |
| CPDF_LayoutElement* pChild = (CPDF_LayoutElement*)m_ChildArray.GetAt(i); |
| delete pChild; |
| pChild = NULL; |
| } |
| m_ChildArray.RemoveAll(); |
| } |
| LayoutType CPDF_LayoutElement::ConvertLayoutType(const CFX_ByteStringC& name) |
| { |
| if(name == (const char*)("Document")) { |
| return LayoutDocument; |
| } else if(name == (const char*)("Part")) { |
| return LayoutPart; |
| } else if(name == (const char*)("Art")) { |
| return LayoutArt; |
| } else if(name == (const char*)("Sect")) { |
| return LayoutSect; |
| } else if(name == (const char*)("Div")) { |
| return LayoutDiv; |
| } else if(name == (const char*)("BlockQuote")) { |
| return LayoutBlockQuote; |
| } else if(name == (const char*)("Caption")) { |
| return LayoutCaption; |
| } else if(name == (const char*)("TOC")) { |
| return LayoutTOC; |
| } else if(name == (const char*)("TOCI")) { |
| return LayoutTOCI; |
| } else if(name == (const char*)("Index")) { |
| return LayoutIndex; |
| } else if(name == (const char*)("NonStruct")) { |
| return LayoutNonStruct; |
| } else if(name == (const char*)("Private")) { |
| return LayoutPrivate; |
| } else if(name == (const char*)("P")) { |
| return LayoutParagraph; |
| } else if(name == (const char*)("H")) { |
| return LayoutHeading; |
| } else if(name == (const char*)("H1")) { |
| return LayoutHeading1; |
| } else if(name == (const char*)("H2")) { |
| return LayoutHeading2; |
| } else if(name == (const char*)("H3")) { |
| return LayoutHeading3; |
| } else if(name == (const char*)("H4")) { |
| return LayoutHeading4; |
| } else if(name == (const char*)("H5")) { |
| return LayoutHeading5; |
| } else if(name == (const char*)("H6")) { |
| return LayoutHeading6; |
| } else if(name == (const char*)("L")) { |
| return LayoutList; |
| } else if(name == (const char*)("LI")) { |
| return LayoutListItem; |
| } else if(name == (const char*)("Lbl")) { |
| return LayoutListLabel; |
| } else if(name == (const char*)("LBody")) { |
| return LayoutListBody; |
| } else if(name == (const char*)("Table")) { |
| return LayoutTable; |
| } else if(name == (const char*)("TR")) { |
| return LayoutTableRow; |
| } else if(name == (const char*)("TH")) { |
| return LayoutTableHeaderCell; |
| } else if(name == (const char*)("TD")) { |
| return LayoutTableDataCell; |
| } else if(name == (const char*)("THead")) { |
| return LayoutTableHeaderGroup; |
| } else if(name == (const char*)("TBody")) { |
| return LayoutTableBodyGroup; |
| } else if(name == (const char*)("TFoot")) { |
| return LayoutTableFootGroup; |
| } else if(name == (const char*)("Span")) { |
| return LayoutSpan; |
| } else if(name == (const char*)("Quote")) { |
| return LayoutQuote; |
| } else if(name == (const char*)("Note")) { |
| return LayoutNote; |
| } else if(name == (const char*)("Reference")) { |
| return LayoutReference; |
| } else if(name == (const char*)("BibEntry")) { |
| return LayoutBibEntry; |
| } else if(name == (const char*)("Code")) { |
| return LayoutCode; |
| } else if(name == (const char*)("Link")) { |
| return LayoutLink; |
| } else if(name == (const char*)("Annot")) { |
| return LayoutAnnot; |
| } else if(name == (const char*)("Ruby")) { |
| return LayoutRuby; |
| } else if(name == (const char*)("RB")) { |
| return LayoutRubyBase; |
| } else if(name == (const char*)("RT")) { |
| return LayoutRubyAnnot; |
| } else if(name == (const char*)("RP")) { |
| return LayoutRubyPunc; |
| } else if(name == (const char*)("Warichu")) { |
| return LayoutWarichu; |
| } else if(name == (const char*)("WT")) { |
| return LayoutWarichuText; |
| } else if(name == (const char*)("WP")) { |
| return LayoutWarichuPunc; |
| } else if(name == (const char*)("Figure")) { |
| return LayoutFigure; |
| } else if(name == (const char*)("Formula")) { |
| return LayoutFormula; |
| } else if(name == (const char*)("Form")) { |
| return LayoutForm; |
| } else { |
| return LayoutUnknown; |
| } |
| } |
| CFX_ByteStringC CPDF_LayoutElement::ConvertLayoutType(LayoutType type) |
| { |
| const CFX_ByteStringC& name = ""; |
| if(type == LayoutArifact) { |
| return "Arifact"; |
| } else if( type == LayoutDocument) { |
| return "Document"; |
| } else if( type == LayoutPart) { |
| return "Part"; |
| } else if( type == LayoutArt) { |
| return "Art"; |
| } else if( type == LayoutSect) { |
| return "Sect"; |
| } else if( type == LayoutDiv) { |
| return "Div"; |
| } else if( type == LayoutBlockQuote) { |
| return "BlockQuote"; |
| } else if( type == LayoutCaption) { |
| return "Caption"; |
| } else if( type == LayoutTOC) { |
| return "TOC"; |
| } else if( type == LayoutTOCI) { |
| return "TOCI"; |
| } else if( type == LayoutIndex) { |
| return "Index"; |
| } else if( type == LayoutNonStruct) { |
| return "NonStruct"; |
| } else if( type == LayoutPrivate) { |
| return "Private"; |
| } else if( type == LayoutParagraph) { |
| return "P"; |
| } else if( type == LayoutHeading) { |
| return "H"; |
| } else if( type == LayoutHeading1) { |
| return "H1"; |
| } else if( type == LayoutHeading2) { |
| return "H2"; |
| } else if( type == LayoutHeading3) { |
| return "H3"; |
| } else if( type == LayoutHeading4) { |
| return "H4"; |
| } else if( type == LayoutHeading5) { |
| return "H5"; |
| } else if( type == LayoutHeading6) { |
| return "H6"; |
| } else if( type == LayoutList) { |
| return "L"; |
| } else if( type == LayoutListItem) { |
| return "LI"; |
| } else if( type == LayoutListLabel) { |
| return "Lbl"; |
| } else if( type == LayoutListBody) { |
| return "LBody"; |
| } else if( type == LayoutTable) { |
| return "Table"; |
| } else if( type == LayoutTableRow) { |
| return "TR"; |
| } else if( type == LayoutTableHeaderCell) { |
| return "TH"; |
| } else if( type == LayoutTableDataCell) { |
| return "TD"; |
| } else if( type == LayoutTableHeaderGroup) { |
| return "THead"; |
| } else if( type == LayoutTableBodyGroup) { |
| return "TBody"; |
| } else if( type == LayoutTableFootGroup) { |
| return "TFoot"; |
| } else if( type == LayoutSpan) { |
| return "Span"; |
| } else if( type == LayoutQuote) { |
| return "Quote"; |
| } else if( type == LayoutNote) { |
| return "Note"; |
| } else if( type == LayoutReference) { |
| return "Reference"; |
| } else if( type == LayoutBibEntry) { |
| return "BibEntry"; |
| } else if( type == LayoutCode) { |
| return "Code"; |
| } else if( type == LayoutLink) { |
| return "Link"; |
| } else if( type == LayoutAnnot) { |
| return "Annot"; |
| } else if( type == LayoutRuby) { |
| return "Ruby"; |
| } else if( type == LayoutRubyBase) { |
| return "RB"; |
| } else if( type == LayoutRubyAnnot) { |
| return "RT"; |
| } else if( type == LayoutRubyPunc) { |
| return "RP"; |
| } else if( type == LayoutWarichu) { |
| return "Warichu"; |
| } else if( type == LayoutWarichuText) { |
| return "WT"; |
| } else if( type == LayoutWarichuPunc) { |
| return "WP"; |
| } else if( type == LayoutFigure) { |
| return "Figure"; |
| } else if( type == LayoutFormula) { |
| return "Formula"; |
| } else if( type == LayoutForm) { |
| return "Form"; |
| } |
| return name; |
| } |
| CFX_ByteStringC CPDF_LayoutElement::ConvertLayoutAttr(LayoutAttr attr) |
| { |
| switch(attr) { |
| case LayoutArtifactType: |
| return "Type"; |
| case LayoutArtifactAttached: |
| return "Attached"; |
| case LayoutArtifactSubType: |
| return "Subtype"; |
| case LayoutPlacement: |
| return "Placement"; |
| case LayoutWritingMode: |
| return "WritingMode"; |
| case LayoutBackgroundColor: |
| return "BackgroundColor"; |
| case LayoutBorderColor: |
| return "BorderColor"; |
| case LayoutBorderStyle: |
| return "BorderStyle"; |
| case LayoutBorderThickness: |
| return "BorderThickness"; |
| case LayoutPadding: |
| return "Padding"; |
| case LayoutColor: |
| return "Color"; |
| case LayoutSpaceBefore: |
| return "SpaceBefore"; |
| case LayoutSpaceAfter: |
| return "SpaceAfter"; |
| case LayoutStartIndent: |
| return "StartIndent"; |
| case LayoutEndIndent: |
| return "EndIndent"; |
| case LayoutTextIndent: |
| return "TextIndent"; |
| case LayoutTextAlign: |
| return "TextAlign"; |
| case LayoutBBox: |
| return "BBox"; |
| case LayoutWidth: |
| return "Width"; |
| case LayoutHeight: |
| return "Height"; |
| case LayoutBlockAlign: |
| return "BlockAlign"; |
| case LayoutInlineAlign: |
| return "InlineAlign"; |
| case LayoutTBorderStyle: |
| return "TBorderStyle"; |
| case LayoutTPadding: |
| return "TPadding"; |
| case LayoutBaselineShift: |
| return "BaselineShift"; |
| case LayoutLineHeight: |
| return "LineHeight"; |
| case LayoutTextDecorationColor: |
| return "TextDecorationColor"; |
| case LayoutTextDecorationThickness: |
| return "TextDecorationThickness"; |
| case LayoutTextDecorationType: |
| return "TextDecorationType"; |
| case LayoutRubyAlign: |
| return "RubyAlign"; |
| case LayoutRubyPosition: |
| return "RubyPosition"; |
| case LayoutGlyphOrientationVertical: |
| return "GlyphOrientationVertical"; |
| case LayoutColumnCount: |
| return "ColumnCount"; |
| case LayoutColumnGap: |
| return "ColumnGap"; |
| case LayoutColumnWidths: |
| return "ColumnWidths"; |
| case LayoutListNumbering: |
| return "ListNumbering"; |
| case LayoutFieldRole: |
| return "Role"; |
| case LayoutFieldChecked: |
| return "checked"; |
| case LayoutFieldDesc: |
| return "Desc"; |
| case LayoutRowSpan: |
| return "RowSpan"; |
| case LayoutColSpan: |
| return "ColSpan"; |
| case LayoutTableHeaders: |
| return "Headers"; |
| case LayoutTableHeaderScope: |
| return "Scope"; |
| case LayoutTableSummary: |
| return "Summary"; |
| default: |
| return ""; |
| } |
| } |
| LayoutEnum CPDF_LayoutElement::ConvertLayoutEnum(CFX_ByteStringC Enum) |
| { |
| if(Enum == "Block") { |
| return LayoutBlock; |
| } else if (Enum == "Inline") { |
| return LayoutInline; |
| } else if (Enum == "Before") { |
| return LayoutBefore; |
| } else if (Enum == "Start") { |
| return LayoutStart; |
| } else if (Enum == "End") { |
| return LayoutEnd; |
| } else if (Enum == "LrTb") { |
| return LayoutLrTb; |
| } else if (Enum == "RlTb") { |
| return LayoutRlTb; |
| } else if (Enum == "TbRl") { |
| return LayoutTbRl; |
| } else if (Enum == "None") { |
| return LayoutNone; |
| } else if (Enum == "Hidden") { |
| return LayoutHidden; |
| } else if (Enum == "Dotted") { |
| return LayoutDotted; |
| } else if (Enum == "Dashed") { |
| return LayoutDashed; |
| } else if (Enum == "Solid") { |
| return LayoutSolid; |
| } else if (Enum == "Double") { |
| return LayoutDouble; |
| } else if (Enum == "Groove") { |
| return LayoutGroove; |
| } else if (Enum == "Ridge") { |
| return LayoutRidge; |
| } else if (Enum == "Inset") { |
| return LayoutInset; |
| } else if (Enum == "Outset") { |
| return LayoutOutset; |
| } else if (Enum == "Normal") { |
| return LayoutNormal; |
| } else if (Enum == "Auto") { |
| return LayoutAuto; |
| } else if (Enum == "Center") { |
| return LayoutCenter; |
| } else if (Enum == "Justify") { |
| return LayoutJustify; |
| } else if (Enum == "Middle") { |
| return LayoutMiddle; |
| } else if (Enum == "Underline") { |
| return LayoutUnderline; |
| } else if (Enum == "Overline") { |
| return LayoutOverline; |
| } else if (Enum == "LineThrough") { |
| return LayoutLineThrough; |
| } else if (Enum == "Distribute") { |
| return LayoutDistribute; |
| } else if (Enum == "Disc") { |
| return LayoutDisc; |
| } else if (Enum == "Circle") { |
| return LayoutCircle; |
| } else if (Enum == "Square") { |
| return LayoutSquare; |
| } else if (Enum == "Decimal") { |
| return LayoutDecimal; |
| } else if (Enum == "UpperRoman") { |
| return LayoutUpperRoman; |
| } else if (Enum == "LowerRoman") { |
| return LayoutLowerRoman; |
| } else if (Enum == "UpperAlpha") { |
| return LayoutUpperAlpha; |
| } else if (Enum == "LowerAlpha") { |
| return LayoutLowerAlpha; |
| } else if (Enum == "rb") { |
| return LayoutRB; |
| } else if (Enum == "cb") { |
| return LayoutCB; |
| } else if (Enum == "pb") { |
| return LayoutPB; |
| } else if (Enum == "tv") { |
| return LayoutTV; |
| } else if (Enum == "on") { |
| return LayoutOn; |
| } else if (Enum == "off") { |
| return LayoutOff; |
| } else if (Enum == "neutral") { |
| return LayoutNeutral; |
| } else if (Enum == "Row") { |
| return LayoutRow; |
| } else if (Enum == "Column") { |
| return LayoutColumn; |
| } else if (Enum == "Both") { |
| return LayoutBoth; |
| } else if (Enum == "Left") { |
| return LayoutLeft; |
| } else if (Enum == "Top") { |
| return LayoutTop; |
| } else if (Enum == "Bottom") { |
| return LayoutBottom; |
| } else if (Enum == "Right") { |
| return LayoutRight; |
| } else if (Enum == "Pagination") { |
| return LayoutPagination; |
| } else if (Enum == "Layout") { |
| return LayoutLayout; |
| } else if (Enum == "Page") { |
| return LayoutPage; |
| } else if (Enum == "Background") { |
| return LayoutBackground; |
| } else if (Enum == "Header") { |
| return LayoutHeader; |
| } else if (Enum == "Footer") { |
| return LayoutFooter; |
| } else if (Enum == "Watermark") { |
| return LayoutWatermark; |
| } else { |
| return LayoutInvalid; |
| } |
| } |
| LayoutType CPDF_LayoutElement::GetType() |
| { |
| if(!m_pTaggedElement) { |
| return LayoutUnknown; |
| } |
| CFX_ByteString name = m_pTaggedElement->GetType(); |
| return this->ConvertLayoutType(name); |
| } |
| int CPDF_LayoutElement::CountAttrValues(LayoutAttr attr_type) |
| { |
| if(!m_pTaggedElement) { |
| return 0; |
| } |
| CPDF_Object* pObj = m_pTaggedElement->GetAttr(GetAttrOwner(attr_type), ConvertLayoutAttr(attr_type), IsInheritable(attr_type)); |
| if(pObj) { |
| return 1; |
| } else { |
| return 0; |
| } |
| } |
| LayoutEnum CPDF_LayoutElement::GetEnumAttr(LayoutAttr attr_type, int index) |
| { |
| if(!m_pTaggedElement) { |
| return LayoutInvalid; |
| } |
| CFX_ByteStringC owner = GetAttrOwner(attr_type); |
| CFX_ByteStringC default_value = GetDefaultNameValue(attr_type); |
| CFX_ByteStringC AttrName = ConvertLayoutAttr(attr_type); |
| CFX_ByteString AttrValue = m_pTaggedElement->GetName(owner, AttrName, default_value, IsInheritable(attr_type), index); |
| return ConvertLayoutEnum(AttrValue); |
| } |
| CFX_ByteStringC CPDF_LayoutElement::GetAttrOwner(LayoutAttr attr_type) |
| { |
| switch(attr_type) { |
| case LayoutListNumbering: |
| return "List"; |
| case LayoutFieldRole: |
| case LayoutFieldChecked : |
| case LayoutFieldDesc: |
| return "PrintField"; |
| case LayoutRowSpan: |
| case LayoutColSpan: |
| case LayoutTableHeaders: |
| case LayoutTableHeaderScope: |
| case LayoutTableSummary: |
| return "Table"; |
| default: |
| return "Layout"; |
| } |
| } |
| FX_FLOAT CPDF_LayoutElement::GetNumberAttr(LayoutAttr attr_type, int index) |
| { |
| if(!m_pTaggedElement) { |
| return 0; |
| } |
| CFX_ByteStringC owner = GetAttrOwner(attr_type); |
| FX_FLOAT default_value = GetDefaultFloatValue(attr_type); |
| CFX_ByteStringC AttrName = ConvertLayoutAttr(attr_type); |
| FX_FLOAT f = m_pTaggedElement->GetNumber(owner, AttrName, default_value, IsInheritable(attr_type), index); |
| if(attr_type == LayoutWidth && !f) { |
| f = m_pTaggedElement->GetNumber("Table", AttrName, default_value, IsInheritable(attr_type), index); |
| } |
| return f; |
| } |
| FX_COLORREF CPDF_LayoutElement::GetColorAttr(LayoutAttr attr_type, int index) |
| { |
| if(!m_pTaggedElement) { |
| return 0; |
| } |
| CFX_ByteStringC owner = GetAttrOwner(attr_type); |
| FX_COLORREF default_value = GetDefaultColorValue(attr_type); |
| CFX_ByteStringC AttrName = ConvertLayoutAttr(attr_type); |
| FX_ARGB f = m_pTaggedElement->GetColor(owner, AttrName, default_value, IsInheritable(attr_type), index); |
| return f; |
| } |
| FX_FLOAT CPDF_LayoutElement::GetDefaultFloatValue(LayoutAttr attr_type) |
| { |
| switch(attr_type) { |
| case LayoutColumnCount: |
| return 1; |
| case LayoutRowSpan: |
| return 1; |
| case LayoutColSpan: |
| return 1; |
| default: |
| return 0; |
| } |
| } |
| FX_COLORREF CPDF_LayoutElement::GetDefaultColorValue(LayoutAttr attr_type) |
| { |
| return -1; |
| } |
| CFX_ByteStringC CPDF_LayoutElement::GetDefaultNameValue(LayoutAttr attr_type) |
| { |
| switch(attr_type) { |
| case LayoutPlacement: |
| return "Inline"; |
| case LayoutWritingMode: |
| return "LrTb"; |
| case LayoutBorderStyle: |
| return "None"; |
| case LayoutTextAlign: |
| return "Start"; |
| case LayoutBlockAlign: |
| return "Before"; |
| case LayoutInlineAlign: |
| return "Start"; |
| case LayoutTBorderStyle: |
| return "None"; |
| case LayoutTextDecorationType: |
| return "None"; |
| case LayoutRubyAlign: |
| return "Distribute"; |
| case LayoutRubyPosition: |
| return "Before"; |
| case LayoutGlyphOrientationVertical: |
| return "Auto"; |
| case LayoutListNumbering: |
| return "None"; |
| case LayoutFieldRole: |
| return "None"; |
| default: |
| return ""; |
| } |
| } |
| FX_BOOL CPDF_LayoutElement::IsInheritable(LayoutAttr type) |
| { |
| switch(type) { |
| case LayoutWritingMode: |
| case LayoutTextAlign: |
| case LayoutBlockAlign: |
| case LayoutInlineAlign: |
| case LayoutLineHeight: |
| case LayoutGlyphOrientationVertical: |
| case LayoutRubyAlign: |
| case LayoutRubyPosition: |
| case LayoutBorderThickness: |
| case LayoutStartIndent: |
| case LayoutEndIndent: |
| case LayoutTextIndent: |
| case LayoutTPadding: |
| case LayoutTextDecorationThickness: |
| case LayoutBorderColor: |
| case LayoutColor: |
| case LayoutTextDecorationColor: |
| return TRUE; |
| default: |
| return FALSE; |
| } |
| } |
| int CPDF_LayoutElement::CountChildren() |
| { |
| return m_ChildArray.GetSize(); |
| } |
| IPDF_LayoutElement* CPDF_LayoutElement::GetChild(int index) |
| { |
| return (IPDF_LayoutElement*)m_ChildArray.GetAt(index); |
| } |
| IPDF_LayoutElement* CPDF_LayoutElement::GetParent() |
| { |
| return m_pParentElement; |
| } |
| int CPDF_LayoutElement::CountObjects() |
| { |
| if(m_pTaggedElement == NULL) { |
| return 0; |
| } |
| CFX_PtrArray* pObj = &m_ObjArray; |
| int size = pObj->GetSize(); |
| return size; |
| } |
| CPDF_PageObject* CPDF_LayoutElement::GetObject(int index) |
| { |
| if(m_pTaggedElement == NULL) { |
| return NULL; |
| } |
| CFX_PtrArray *pObj = &m_ObjArray; |
| int size = pObj->GetSize(); |
| if(index < size) { |
| return (CPDF_PageObject*)pObj->GetAt(index); |
| } |
| return NULL; |
| } |
| FX_BOOL CPDF_LayoutElement::AddObject(CPDF_PageObject* pObj) |
| { |
| return m_ObjArray.Add(pObj); |
| } |
| IPDF_LayoutProvider* IPDF_LayoutProvider::Create_LayoutProvider_TaggedPDF(CPDF_PageObjects* pPage) |
| { |
| if(pPage == NULL) { |
| return NULL; |
| } |
| CPDF_LayoutProvider_TaggedPDF* pProvider = new CPDF_LayoutProvider_TaggedPDF; |
| pProvider->Init(pPage); |
| return pProvider; |
| } |
| CPDF_LayoutProvider_TaggedPDF::CPDF_LayoutProvider_TaggedPDF() |
| { |
| m_pPause = NULL; |
| m_pRoot = NULL; |
| m_pPageTree = NULL; |
| m_pCurTaggedElement = NULL; |
| } |
| CPDF_LayoutProvider_TaggedPDF::~CPDF_LayoutProvider_TaggedPDF() |
| { |
| m_pCurTaggedElement = NULL; |
| m_pPause = NULL; |
| if(m_pRoot) { |
| delete m_pRoot; |
| } |
| m_pRoot = NULL; |
| if(m_pPageTree) { |
| delete m_pPageTree; |
| } |
| m_pPageTree = NULL; |
| } |
| void CPDF_LayoutProvider_TaggedPDF::ProcessElement(CPDF_LayoutElement*pParent, CPDF_StructElement* pTaggedElement) |
| { |
| if(!pTaggedElement) { |
| return; |
| } |
| if(!pParent) { |
| m_Status = LayoutError; |
| return; |
| } |
| CPDF_LayoutElement* pElement = new CPDF_LayoutElement; |
| pElement->m_pParentElement = pParent; |
| pElement->m_pTaggedElement = pTaggedElement; |
| pParent->m_ChildArray.Add(pElement); |
| int count = pTaggedElement->CountKids(); |
| for(int i = 0; i < count; i++) { |
| CPDF_StructKid Kid = pTaggedElement->GetKid(i); |
| switch(Kid.m_Type) { |
| case CPDF_StructKid::Element: { |
| ProcessElement(pElement, Kid.m_Element.m_pElement); |
| if(m_Status != LayoutReady) { |
| return ; |
| } |
| } |
| break; |
| case CPDF_StructKid::PageContent: { |
| int count = m_pPage->CountObjects(); |
| FX_POSITION pos = m_pPage->GetFirstObjectPosition(); |
| if(!pos) { |
| m_Status = LayoutError; |
| return ; |
| } |
| while (pos) { |
| CPDF_PageObject* pObj = m_pPage->GetNextObject(pos); |
| int pbjMCID = pObj->m_ContentMark.GetMCID(); |
| if((FX_DWORD)(pObj->m_ContentMark.GetMCID()) == Kid.m_PageContent.m_ContentId) { |
| pElement->AddObject(pObj); |
| } |
| } |
| } |
| break; |
| case CPDF_StructKid::StreamContent: |
| case CPDF_StructKid::Object: |
| default: |
| break; |
| } |
| } |
| } |
| LayoutStatus CPDF_LayoutProvider_TaggedPDF::StartLoad(IFX_Pause* pPause) |
| { |
| m_pPause = pPause; |
| if(m_pPage->m_pDocument && m_pPage->m_pFormDict) { |
| m_pPageTree = CPDF_StructTree::LoadPage(m_pPage->m_pDocument, m_pPage->m_pFormDict); |
| } |
| if(!m_pPageTree) { |
| m_Status = LayoutError; |
| return LayoutError; |
| } |
| int count = m_pPageTree->CountTopElements(); |
| if(count == 0) { |
| m_Status = LayoutError; |
| return LayoutError; |
| } |
| m_pRoot = new CPDF_LayoutElement; |
| for(int i = 0; i < count; i++) { |
| CPDF_StructElement* pElement = m_pPageTree->GetTopElement(i); |
| if(pElement) { |
| ProcessElement(m_pRoot, pElement); |
| if(m_Status != LayoutReady) { |
| return m_Status; |
| } |
| } |
| } |
| m_pCurTaggedElement = NULL; |
| m_Status = LayoutFinished; |
| return LayoutFinished; |
| } |
| LayoutStatus CPDF_LayoutProvider_TaggedPDF::Continue() |
| { |
| if(!m_pCurTaggedElement) { |
| return LayoutError; |
| } |
| if(m_Status != LayoutToBeContinued) { |
| return LayoutError; |
| } |
| m_Status = LayoutReady; |
| int count = m_pPageTree->CountTopElements(); |
| for(int i = 0; i < count; i++) { |
| CPDF_StructElement* pElement = m_pPageTree->GetTopElement(i); |
| if(pElement) { |
| ProcessElement(m_pRoot, pElement); |
| if(m_Status != LayoutReady) { |
| return m_Status; |
| } |
| } |
| } |
| m_pCurTaggedElement = NULL; |
| m_Status = LayoutFinished; |
| return LayoutFinished; |
| } |
| int CPDF_LayoutProvider_TaggedPDF::GetPosition() |
| { |
| if(m_TopElementIndex == 0) { |
| return 0; |
| } |
| int count = m_pPageTree->CountTopElements(); |
| return m_TopElementIndex / count * 100; |
| } |
