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| author | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
|---|---|---|
| committer | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
| commit | 5110c4743751145c4ae1934cd1d83bc6c55bb43f (patch) | |
| tree | b141608096b73163182764c25b895d3df4b2c182 /core/include/fpdfapi/fpdf_pageobj.h | |
| parent | 76b563d2feed92ed328afb1f15e3466a9536b11b (diff) | |
| download | pdfium-5110c4743751145c4ae1934cd1d83bc6c55bb43f.tar.xz | |
Initial commit.
Diffstat (limited to 'core/include/fpdfapi/fpdf_pageobj.h')
| -rw-r--r-- | core/include/fpdfapi/fpdf_pageobj.h | 721 |
1 files changed, 721 insertions, 0 deletions
diff --git a/core/include/fpdfapi/fpdf_pageobj.h b/core/include/fpdfapi/fpdf_pageobj.h new file mode 100644 index 0000000000..1e82680907 --- /dev/null +++ b/core/include/fpdfapi/fpdf_pageobj.h @@ -0,0 +1,721 @@ +// 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 _FPDF_PAGEOBJ_H_
+#define _FPDF_PAGEOBJ_H_
+#ifndef _FPDF_RESOURCE_
+#include "fpdf_resource.h"
+#endif
+#ifndef _FX_GE_H_
+#include "../fxge/fx_ge.h"
+#endif
+class CPDF_Path;
+class CPDF_ClipPathData;
+class CPDF_ClipPath;
+class CPDF_ColorStateData;
+class CPDF_ColorState;
+class CPDF_GraphState;
+class CPDF_TextStateData;
+class CPDF_TextState;
+class CPDF_GeneralStateData;
+class CPDF_GeneralState;
+class CPDF_ContentMarkItem;
+class CPDF_ContentMark;
+class CPDF_GraphicStates;
+class CPDF_PageObject;
+class CPDF_TextObject;
+class CPDF_PathObject;
+class CPDF_ImageObject;
+class CPDF_ShadingObject;
+class CPDF_FormObject;
+class CPDF_InlineImages;
+typedef CFX_PathData CPDF_PathData;
+class CPDF_Path : public CFX_CountRef<CFX_PathData>
+{
+public:
+
+
+
+
+ int GetPointCount()
+ {
+ return m_pObject->m_PointCount;
+ }
+
+ int GetFlag(int index)
+ {
+ return m_pObject->m_pPoints[index].m_Flag;
+ }
+
+ FX_FLOAT GetPointX(int index)
+ {
+ return m_pObject->m_pPoints[index].m_PointX;
+ }
+
+ FX_FLOAT GetPointY(int index)
+ {
+ return m_pObject->m_pPoints[index].m_PointY;
+ }
+
+
+
+
+ FX_PATHPOINT* GetPoints()
+ {
+ return m_pObject->m_pPoints;
+ }
+
+
+ CFX_FloatRect GetBoundingBox() const
+ {
+ return m_pObject->GetBoundingBox();
+ }
+
+ CFX_FloatRect GetBoundingBox(FX_FLOAT line_width, FX_FLOAT miter_limit) const
+ {
+ return m_pObject->GetBoundingBox(line_width, miter_limit);
+ }
+
+ void Transform(const CFX_AffineMatrix* pMatrix)
+ {
+ GetModify()->Transform(pMatrix);
+ }
+
+ void Append(CPDF_Path src, const CFX_AffineMatrix* pMatrix)
+ {
+ m_pObject->Append(src.m_pObject, pMatrix);
+ }
+
+ void AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top)
+ {
+ m_pObject->AppendRect(left, bottom, right, top);
+ }
+
+ FX_BOOL IsRect() const
+ {
+ return m_pObject->IsRect();
+ }
+};
+class CPDF_ClipPathData : public CFX_Object
+{
+public:
+
+ CPDF_ClipPathData();
+
+ CPDF_ClipPathData(const CPDF_ClipPathData&);
+
+ ~CPDF_ClipPathData();
+
+ void SetCount(int path_count, int text_count);
+public:
+
+ int m_PathCount;
+
+ CPDF_Path* m_pPathList;
+
+ FX_BYTE* m_pTypeList;
+
+ int m_TextCount;
+
+ CPDF_TextObject** m_pTextList;
+};
+class CPDF_ClipPath : public CFX_CountRef<CPDF_ClipPathData>
+{
+public:
+
+ FX_DWORD GetPathCount() const
+ {
+ return m_pObject->m_PathCount;
+ }
+
+ CPDF_Path GetPath(int i) const
+ {
+ return m_pObject->m_pPathList[i];
+ }
+
+ int GetClipType(int i) const
+ {
+ return m_pObject->m_pTypeList[i];
+ }
+
+ FX_DWORD GetTextCount() const
+ {
+ return m_pObject->m_TextCount;
+ }
+
+ CPDF_TextObject* GetText(int i) const
+ {
+ return m_pObject->m_pTextList[i];
+ }
+
+ CFX_FloatRect GetClipBox() const;
+
+ void AppendPath(CPDF_Path path, int type, FX_BOOL bAutoMerge);
+
+ void DeletePath(int layer_index);
+
+ void AppendTexts(CPDF_TextObject** pTexts, int count);
+
+ void Transform(const CFX_AffineMatrix& matrix);
+};
+class CPDF_ColorStateData : public CFX_Object
+{
+public:
+
+ CPDF_ColorStateData() {}
+
+ CPDF_ColorStateData(const CPDF_ColorStateData& src);
+
+ void Default();
+
+ CPDF_Color m_FillColor;
+
+ FX_DWORD m_FillRGB;
+
+ CPDF_Color m_StrokeColor;
+
+ FX_DWORD m_StrokeRGB;
+};
+class CPDF_ColorState : public CFX_CountRef<CPDF_ColorStateData>
+{
+public:
+
+ CPDF_Color* GetFillColor() const
+ {
+ return m_pObject ? &m_pObject->m_FillColor : NULL;
+ }
+
+ CPDF_Color* GetStrokeColor() const
+ {
+ return m_pObject ? &m_pObject->m_StrokeColor : NULL;
+ }
+
+ void SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
+
+ void SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
+
+ void SetFillPattern(CPDF_Pattern* pattern, FX_FLOAT* pValue, int nValues);
+
+ void SetStrokePattern(CPDF_Pattern* pattern, FX_FLOAT* pValue, int nValues);
+private:
+ void SetColor(CPDF_Color& color, FX_DWORD& rgb, CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
+};
+typedef CFX_GraphStateData CPDF_GraphStateData;
+class CPDF_GraphState : public CFX_CountRef<CFX_GraphStateData>
+{
+public:
+};
+class CPDF_TextStateData : public CFX_Object
+{
+public:
+
+ CPDF_TextStateData();
+
+ CPDF_TextStateData(const CPDF_TextStateData& src);
+
+ ~CPDF_TextStateData();
+
+ CPDF_Font* m_pFont;
+
+ FX_FLOAT m_FontSize;
+
+ FX_FLOAT m_CharSpace;
+
+ FX_FLOAT m_WordSpace;
+
+ FX_FLOAT m_Matrix[4];
+
+ int m_TextMode;
+
+ FX_FLOAT m_CTM[4];
+};
+class CPDF_TextState : public CFX_CountRef<CPDF_TextStateData>
+{
+public:
+
+ CPDF_Font* GetFont() const
+ {
+ return m_pObject->m_pFont;
+ }
+
+ void SetFont(CPDF_Font* pFont);
+
+ FX_FLOAT GetFontSize() const
+ {
+ return m_pObject->m_FontSize;
+ }
+
+ FX_FLOAT* GetMatrix() const
+ {
+ return m_pObject->m_Matrix;
+ }
+
+
+
+ FX_FLOAT GetFontSizeV() const;
+
+ FX_FLOAT GetFontSizeH() const;
+
+ FX_FLOAT GetBaselineAngle() const;
+
+ FX_FLOAT GetShearAngle() const;
+
+};
+class CPDF_TransferFunc;
+class CPDF_GeneralStateData : public CFX_Object
+{
+public:
+
+ CPDF_GeneralStateData();
+
+ CPDF_GeneralStateData(const CPDF_GeneralStateData& src);
+ ~CPDF_GeneralStateData();
+
+ void SetBlendMode(FX_BSTR blend_mode);
+
+ char m_BlendMode[16];
+
+ int m_BlendType;
+
+ CPDF_Object* m_pSoftMask;
+
+ FX_FLOAT m_SMaskMatrix[6];
+
+ FX_FLOAT m_StrokeAlpha;
+
+ FX_FLOAT m_FillAlpha;
+
+ CPDF_Object* m_pTR;
+
+ CPDF_TransferFunc* m_pTransferFunc;
+
+ CFX_Matrix m_Matrix;
+
+ int m_RenderIntent;
+
+ FX_BOOL m_StrokeAdjust;
+
+ FX_BOOL m_AlphaSource;
+
+ FX_BOOL m_TextKnockout;
+
+ FX_BOOL m_StrokeOP;
+
+ FX_BOOL m_FillOP;
+
+ int m_OPMode;
+
+ CPDF_Object* m_pBG;
+
+ CPDF_Object* m_pUCR;
+
+ CPDF_Object* m_pHT;
+
+ FX_FLOAT m_Flatness;
+
+ FX_FLOAT m_Smoothness;
+};
+class CPDF_GeneralState : public CFX_CountRef<CPDF_GeneralStateData>
+{
+public:
+
+ void SetRenderIntent(const CFX_ByteString& ri);
+
+ int GetBlendType() const
+ {
+ return m_pObject ? m_pObject->m_BlendType : FXDIB_BLEND_NORMAL;
+ }
+
+ int GetAlpha(FX_BOOL bStroke) const
+ {
+ return m_pObject ? FXSYS_round((bStroke ? m_pObject->m_StrokeAlpha : m_pObject->m_FillAlpha) * 255) : 255;
+ }
+};
+class CPDF_ContentMarkItem : public CFX_Object
+{
+public:
+
+ typedef enum {
+ None,
+ PropertiesDict,
+ DirectDict,
+ MCID
+ } ParamType;
+
+ CPDF_ContentMarkItem();
+
+ CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src);
+
+ ~CPDF_ContentMarkItem();
+
+ inline const CFX_ByteString& GetName() const
+ {
+ return m_MarkName;
+ }
+
+ inline ParamType GetParamType() const
+ {
+ return m_ParamType;
+ }
+
+ inline void* GetParam() const
+ {
+ return m_pParam;
+ }
+
+ inline FX_BOOL HasMCID() const;
+
+ inline void SetName(const CFX_ByteString& name)
+ {
+ m_MarkName = name;
+ }
+
+ inline void SetParam(ParamType type, void* param)
+ {
+ m_ParamType = type;
+ m_pParam = param;
+ }
+private:
+
+ CFX_ByteString m_MarkName;
+
+ ParamType m_ParamType;
+
+ void* m_pParam;
+};
+class CPDF_ContentMarkData : public CFX_Object
+{
+public:
+
+ CPDF_ContentMarkData() { }
+
+ CPDF_ContentMarkData(const CPDF_ContentMarkData& src);
+
+ inline int CountItems() const
+ {
+ return m_Marks.GetSize();
+ }
+
+ inline CPDF_ContentMarkItem& GetItem(int index) const
+ {
+ return m_Marks[index];
+ }
+
+ int GetMCID() const;
+
+ void AddMark(const CFX_ByteString& name, CPDF_Dictionary* pDict, FX_BOOL bDictNeedClone);
+
+ void DeleteLastMark();
+private:
+
+ CFX_ObjectArray<CPDF_ContentMarkItem> m_Marks;
+};
+class CPDF_ContentMark : public CFX_CountRef<CPDF_ContentMarkData>
+{
+public:
+
+ int GetMCID() const
+ {
+ return m_pObject ? m_pObject->GetMCID() : -1;
+ }
+
+ FX_BOOL HasMark(FX_BSTR mark) const;
+
+ FX_BOOL LookupMark(FX_BSTR mark, CPDF_Dictionary*& pDict) const;
+};
+#define PDFPAGE_TEXT 1
+#define PDFPAGE_PATH 2
+#define PDFPAGE_IMAGE 3
+#define PDFPAGE_SHADING 4
+#define PDFPAGE_FORM 5
+#define PDFPAGE_INLINES 6
+class CPDF_GraphicStates : public CFX_Object
+{
+public:
+
+ void CopyStates(const CPDF_GraphicStates& src);
+
+ void DefaultStates();
+
+ CPDF_ClipPath m_ClipPath;
+
+ CPDF_GraphState m_GraphState;
+
+ CPDF_ColorState m_ColorState;
+
+ CPDF_TextState m_TextState;
+
+ CPDF_GeneralState m_GeneralState;
+};
+class CPDF_PageObject : public CPDF_GraphicStates
+{
+public:
+
+ static CPDF_PageObject* Create(int type);
+
+ void Release();
+
+ CPDF_PageObject* Clone() const;
+
+ void Copy(const CPDF_PageObject* pSrcObject);
+
+ virtual void Transform(const CFX_AffineMatrix& matrix) = 0;
+
+
+
+ void RemoveClipPath();
+
+ void AppendClipPath(CPDF_Path path, int type, FX_BOOL bAutoMerge);
+
+ void CopyClipPath(CPDF_PageObject* pObj);
+
+ void TransformClipPath(CFX_AffineMatrix& matrix);
+
+ void TransformGeneralState(CFX_AffineMatrix& matrix);
+
+
+ void SetColorState(CPDF_ColorState state)
+ {
+ m_ColorState = state;
+ }
+
+ FX_RECT GetBBox(const CFX_AffineMatrix* pMatrix) const;
+
+ int m_Type;
+
+ FX_FLOAT m_Left;
+
+ FX_FLOAT m_Right;
+
+ FX_FLOAT m_Top;
+
+ FX_FLOAT m_Bottom;
+
+ CPDF_ContentMark m_ContentMark;
+protected:
+
+ virtual void CopyData(const CPDF_PageObject* pSrcObject) {}
+
+ void RecalcBBox();
+
+ CPDF_PageObject() {}
+
+ virtual ~CPDF_PageObject() {}
+};
+struct CPDF_TextObjectItem : public CFX_Object {
+
+ FX_DWORD m_CharCode;
+
+ FX_FLOAT m_OriginX;
+
+ FX_FLOAT m_OriginY;
+};
+class CPDF_TextObject : public CPDF_PageObject
+{
+public:
+
+ CPDF_TextObject();
+
+ virtual ~CPDF_TextObject();
+
+ int CountItems() const
+ {
+ return m_nChars;
+ }
+
+ void GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const;
+
+ int CountChars() const;
+
+ void GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerning) const;
+ void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const;
+
+ void GetCharRect(int index, CFX_FloatRect& rect) const;
+
+
+ FX_FLOAT GetCharWidth(FX_DWORD charcode) const;
+ FX_FLOAT GetSpaceCharWidth() const;
+
+ FX_FLOAT GetPosX() const
+ {
+ return m_PosX;
+ }
+
+ FX_FLOAT GetPosY() const
+ {
+ return m_PosY;
+ }
+
+ void GetTextMatrix(CFX_AffineMatrix* pMatrix) const;
+
+ CPDF_Font* GetFont() const
+ {
+ return m_TextState.GetFont();
+ }
+
+ FX_FLOAT GetFontSize() const
+ {
+ return m_TextState.GetFontSize();
+ }
+
+ void SetEmpty();
+
+ void SetText(const CFX_ByteString& text);
+
+ void SetText(CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);
+
+ void SetText(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pKernings);
+
+ void SetPosition(FX_FLOAT x, FX_FLOAT y);
+
+ void SetTextState(CPDF_TextState TextState);
+ virtual void Transform(const CFX_AffineMatrix& matrix);
+
+ void CalcCharPos(FX_FLOAT* pPosArray) const;
+
+
+
+ void SetData(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pCharPos, FX_FLOAT x, FX_FLOAT y);
+
+ void GetData(int& nChars, FX_DWORD*& pCharCodes, FX_FLOAT*& pCharPos)
+ {
+ nChars = m_nChars;
+ pCharCodes = m_pCharCodes;
+ pCharPos = m_pCharPos;
+ }
+
+
+ void RecalcPositionData()
+ {
+ CalcPositionData(NULL, NULL, 1);
+ }
+protected:
+ virtual void CopyData(const CPDF_PageObject* pSrcObject);
+
+ FX_FLOAT m_PosX;
+
+ FX_FLOAT m_PosY;
+
+ int m_nChars;
+
+ FX_DWORD* m_pCharCodes;
+
+ FX_FLOAT* m_pCharPos;
+
+ void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);
+
+ void CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextAdvanceY, FX_FLOAT horz_scale, int level = 0);
+ friend class CPDF_StreamContentParser;
+ friend class CPDF_RenderStatus;
+ friend class CPDF_QuickDrawer;
+ friend class CPDF_TextRenderer;
+ friend class CTextPage;
+ friend class CPDF_ContentGenerator;
+};
+class CPDF_PathObject : public CPDF_PageObject
+{
+public:
+
+ CPDF_PathObject()
+ {
+ m_Type = PDFPAGE_PATH;
+ }
+
+ virtual ~CPDF_PathObject() {}
+ virtual void Transform(const CFX_AffineMatrix& maxtrix);
+
+ void SetGraphState(CPDF_GraphState GraphState);
+
+ CPDF_Path m_Path;
+
+ int m_FillType;
+
+ FX_BOOL m_bStroke;
+
+ CFX_AffineMatrix m_Matrix;
+
+
+ void CalcBoundingBox();
+protected:
+ virtual void CopyData(const CPDF_PageObject* pSrcObjet);
+};
+class CPDF_ImageObject : public CPDF_PageObject
+{
+public:
+
+ CPDF_ImageObject();
+
+ virtual ~CPDF_ImageObject();
+ virtual void Transform(const CFX_AffineMatrix& matrix);
+
+ CPDF_Image* m_pImage;
+
+ CFX_AffineMatrix m_Matrix;
+
+ void CalcBoundingBox();
+private:
+ virtual void CopyData(const CPDF_PageObject* pSrcObjet);
+};
+class CPDF_ShadingObject : public CPDF_PageObject
+{
+public:
+
+ CPDF_ShadingObject();
+
+ virtual ~CPDF_ShadingObject();
+
+ CPDF_ShadingPattern* m_pShading;
+
+ CFX_AffineMatrix m_Matrix;
+
+ CPDF_Page* m_pPage;
+ virtual void Transform(const CFX_AffineMatrix& matrix);
+
+ void CalcBoundingBox();
+protected:
+ virtual void CopyData(const CPDF_PageObject* pSrcObjet);
+};
+class CPDF_FormObject : public CPDF_PageObject
+{
+public:
+
+ CPDF_FormObject()
+ {
+ m_Type = PDFPAGE_FORM;
+ m_pForm = NULL;
+ }
+
+ virtual ~CPDF_FormObject();
+ virtual void Transform(const CFX_AffineMatrix& matrix);
+
+ CPDF_Form* m_pForm;
+
+ CFX_AffineMatrix m_FormMatrix;
+
+ void CalcBoundingBox();
+protected:
+ virtual void CopyData(const CPDF_PageObject* pSrcObjet);
+};
+class CPDF_InlineImages : public CPDF_PageObject
+{
+public:
+
+ CPDF_InlineImages();
+
+ virtual ~CPDF_InlineImages();
+
+ CPDF_Stream* m_pStream;
+
+ CFX_DIBitmap* m_pBitmap;
+
+ CFX_ArrayTemplate<CFX_AffineMatrix> m_Matrices;
+
+ void AddMatrix(CFX_AffineMatrix& matrix);
+protected:
+ virtual void Transform(const CFX_AffineMatrix& matrix) {}
+ virtual void CopyData(const CPDF_PageObject* pSrcObjet) {}
+};
+#endif
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