Initial commit.

2 files changed, 356 insertions, 0 deletions

diff --git a/core/include/reflow/fpdf_layout.h b/core/include/reflow/fpdf_layout.h
new file mode 100644
index 0000000000..fc01ba30c8
--- /dev/null
+++ b/core/include/reflow/fpdf_layout.h
@@ -0,0 +1,280 @@
+// 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 _FPDFAPI_LAYOUT_H_
+#define _FPDFAPI_LAYOUT_H_
+class IPDF_LayoutElement;
+class IPDF_LayoutProcessor;
+class IPDF_LayoutProvider;
+typedef enum {
+    LayoutUnknown,
+    LayoutArifact,
+    LayoutDocument,
+    LayoutPart,
+    LayoutArt,
+    LayoutSect,
+    LayoutDiv,
+    LayoutBlockQuote,
+    LayoutCaption,
+    LayoutTOC,
+    LayoutTOCI,
+    LayoutIndex,
+    LayoutNonStruct,
+    LayoutPrivate,
+    LayoutParagraph,
+    LayoutHeading,
+    LayoutHeading1,
+    LayoutHeading2,
+    LayoutHeading3,
+    LayoutHeading4,
+    LayoutHeading5,
+    LayoutHeading6,
+    LayoutList,
+    LayoutListItem,
+    LayoutListLabel,
+    LayoutListBody,
+    LayoutTable,
+    LayoutTableRow,
+    LayoutTableHeaderCell,
+    LayoutTableDataCell,
+    LayoutTableHeaderGroup,
+    LayoutTableBodyGroup,
+    LayoutTableFootGroup,
+    LayoutSpan,
+    LayoutQuote,
+    LayoutNote,
+    LayoutReference,
+    LayoutBibEntry,
+    LayoutCode,
+    LayoutLink,
+    LayoutAnnot,
+    LayoutRuby,
+    LayoutRubyBase,
+    LayoutRubyAnnot,
+    LayoutRubyPunc,
+    LayoutWarichu,
+    LayoutWarichuText,
+    LayoutWarichuPunc,
+    LayoutFigure,
+    LayoutFormula,
+    LayoutForm,
+} LayoutType;
+typedef enum {
+    LayoutArtifactType,
+    LayoutArtifactAttached,
+    LayoutArtifactSubType,
+    LayoutPlacement,
+    LayoutWritingMode,
+    LayoutBackgroundColor,
+    LayoutBorderColor,
+    LayoutBorderStyle,
+    LayoutBorderThickness,
+    LayoutPadding,
+    LayoutColor,
+    LayoutSpaceBefore,
+    LayoutSpaceAfter,
+    LayoutStartIndent,
+    LayoutEndIndent,
+    LayoutTextIndent,
+    LayoutTextAlign,
+    LayoutBBox,
+    LayoutWidth,
+    LayoutHeight,
+    LayoutBlockAlign,
+    LayoutInlineAlign,
+    LayoutTBorderStyle,
+    LayoutTPadding,
+    LayoutBaselineShift,
+    LayoutLineHeight,
+    LayoutTextDecorationColor,
+    LayoutTextDecorationThickness,
+    LayoutTextDecorationType,
+    LayoutRubyAlign,
+    LayoutRubyPosition,
+    LayoutGlyphOrientationVertical,
+    LayoutColumnCount,
+    LayoutColumnGap,
+    LayoutColumnWidths,
+    LayoutListNumbering,
+    LayoutFieldRole,
+    LayoutFieldChecked,
+    LayoutFieldDesc,
+    LayoutRowSpan,
+    LayoutColSpan,
+    LayoutTableHeaders,
+    LayoutTableHeaderScope,
+    LayoutTableSummary,
+} LayoutAttr;
+typedef enum {
+    LayoutInvalid = 0,
+    LayoutBlock,
+    LayoutInline,
+    LayoutBefore,
+    LayoutAfter,
+    LayoutStart,
+    LayoutEnd,
+    LayoutLrTb,
+    LayoutRlTb,
+    LayoutTbRl,
+    LayoutNone,
+    LayoutHidden,
+    LayoutDotted,
+    LayoutDashed,
+    LayoutSolid,
+    LayoutDouble,
+    LayoutGroove,
+    LayoutRidge,
+    LayoutInset,
+    LayoutOutset,
+    LayoutNormal,
+    LayoutAuto,
+    LayoutCenter,
+    LayoutJustify,
+    LayoutMiddle,
+    LayoutUnderline,
+    LayoutOverline,
+    LayoutLineThrough,
+    LayoutDistribute,
+    LayoutMinus90Degree,
+    LayoutZeroDegree,
+    Layout90Degree,
+    Layout180Degree,
+    Layout270Degree,
+    LayoutDisc,
+    LayoutCircle,
+    LayoutSquare,
+    LayoutDecimal,
+    LayoutUpperRoman,
+    LayoutLowerRoman,
+    LayoutUpperAlpha,
+    LayoutLowerAlpha,
+    LayoutRB,
+    LayoutCB,
+    LayoutPB,
+    LayoutTV,
+    LayoutOn,
+    LayoutOff,
+    LayoutNeutral,
+    LayoutRow,
+    LayoutColumn,
+    LayoutBoth,
+    LayoutLeft,
+    LayoutTop,
+    LayoutBottom,
+    LayoutRight,
+    LayoutPagination,
+    LayoutLayout,
+    LayoutPage,
+    LayoutBackground,
+    LayoutHeader,
+    LayoutFooter,
+    LayoutWatermark,
+} LayoutEnum;
+class IPDF_LayoutElement
+{
+public:
+
+    virtual ~IPDF_LayoutElement() {};
+
+
+    virtual LayoutType	GetType() = 0;
+
+    virtual int		CountAttrValues(LayoutAttr attr_type) = 0;
+
+
+    virtual LayoutEnum	GetEnumAttr(LayoutAttr attr_type, int index = 0) = 0;
+
+    virtual FX_FLOAT	GetNumberAttr(LayoutAttr attr_type, int index = 0) = 0;
+
+    virtual FX_COLORREF	GetColorAttr(LayoutAttr attr_type, int index = 0) = 0;
+
+
+    virtual int		CountChildren() = 0;
+
+
+    virtual IPDF_LayoutElement* GetChild(int index) = 0;
+
+
+    virtual IPDF_LayoutElement* GetParent() = 0;
+
+
+    virtual int		CountObjects() = 0;
+
+    virtual CPDF_PageObject*	GetObject(int index) = 0;
+};
+typedef enum {
+    LayoutReady,
+    LayoutFinished,
+    LayoutToBeContinued,
+    LayoutError
+} LayoutStatus;
+#define RF_PARSER_IMAGE		0x1
+#define RF_PARSER_DEBUGINFO	0x2
+#define RF_PARSER_PAGEMODE	0x4
+#define RF_PARSER_READERORDER	0x8
+class IPDF_LayoutProcessor
+{
+public:
+
+    virtual ~IPDF_LayoutProcessor() {};
+
+    static IPDF_LayoutProcessor* Create_LayoutProcessor_Reflow(FX_FLOAT TopIndent, FX_FLOAT fWidth, FX_FLOAT fHeight, void* pReflowedPage, int flags, FX_FLOAT lineSpace = 0);
+
+    static IPDF_LayoutProcessor* Create_LayoutProcessor_2HTML(FX_LPCSTR fileName);
+
+    virtual LayoutStatus	StartProcess(IPDF_LayoutElement* pElement, IFX_Pause* pPause, const CFX_AffineMatrix* pPDFMatrix = NULL) = 0;
+
+    virtual LayoutStatus	Continue() = 0;
+    virtual int				GetPosition() = 0;
+};
+#define LP_Lang_Unknow	 		0x0
+#define LP_Lang_English	 		0x1
+#define LP_Lang_French			0x2
+#define LP_Lang_Italian			0x4
+#define LP_Lang_German			0x8
+#define LP_Lang_Spanish			0x10
+#define LP_Lang_Polish			0x20
+#define LP_Lang_Russian			0x40
+#define LP_Lang_ChinesePRC		0x80
+#define LP_Lang_ChineseTaiwan	0x100
+#define LP_Lang_Japanese		0x200
+#define LP_Lang_Korean			0x400
+#define LP_Lang_Portuguese		0x800
+#define LP_Lang_Turkish			0x1000
+#define LP_Lang_Dutch			0x2000
+typedef struct _LayoutProviderStyle {
+    _LayoutProviderStyle()
+    {
+        m_Language = LP_Lang_Unknow;
+        m_bIgnoreInvisibleText = TRUE;
+    }
+    FX_INT32	m_Language;
+    FX_BOOL		m_bIgnoreInvisibleText;
+} LAYOUTPROVIDER_STYLE;
+class IPDF_LayoutProvider
+{
+public:
+
+    virtual ~IPDF_LayoutProvider() {};
+
+    static IPDF_LayoutProvider* Create_LayoutProvider_TaggedPDF(CPDF_PageObjects* pPageObjs);
+
+    static IPDF_LayoutProvider* Create_LayoutProvider_AutoReflow(CPDF_PageObjects* pPageObjs, FX_BOOL bReadOrder);
+
+    virtual void			SetLayoutProviderStyle(LAYOUTPROVIDER_STYLE Style) = 0;
+
+
+
+
+    virtual LayoutStatus	StartLoad(IFX_Pause* pPause = NULL) = 0;
+
+    virtual LayoutStatus	Continue() = 0;
+    virtual int				GetPosition() = 0;
+
+
+    virtual IPDF_LayoutElement* GetRoot() = 0;
+};
+#endif
diff --git a/core/include/reflow/reflowengine.h b/core/include/reflow/reflowengine.h
new file mode 100644
index 0000000000..e6a5265db3
--- /dev/null
+++ b/core/include/reflow/reflowengine.h
@@ -0,0 +1,76 @@
+// 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