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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_page.h | |
| parent | 76b563d2feed92ed328afb1f15e3466a9536b11b (diff) | |
| download | pdfium-5110c4743751145c4ae1934cd1d83bc6c55bb43f.tar.xz | |
Initial commit.
Diffstat (limited to 'core/include/fpdfapi/fpdf_page.h')
| -rw-r--r-- | core/include/fpdfapi/fpdf_page.h | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/core/include/fpdfapi/fpdf_page.h b/core/include/fpdfapi/fpdf_page.h new file mode 100644 index 0000000000..29b8c684a8 --- /dev/null +++ b/core/include/fpdfapi/fpdf_page.h @@ -0,0 +1,249 @@ +// 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_PAGE_
+#define _FPDF_PAGE_
+#ifndef _FPDF_PARSER_
+#include "fpdf_parser.h"
+#endif
+#ifndef _FPDF_RESOURCE_
+#include "fpdf_resource.h"
+#endif
+#ifndef _FX_DIB_H_
+#include "../fxge/fx_dib.h"
+#endif
+class CPDF_PageObjects;
+class CPDF_Page;
+class CPDF_Form;
+class CPDF_ParseOptions;
+class CPDF_PageObject;
+class CPDF_PageRenderCache;
+class CPDF_StreamFilter;
+class CPDF_AllStates;
+class CPDF_ContentParser;
+class CPDF_StreamContentParser;
+class CPDF_ResourceNaming;
+#define PDFTRANS_GROUP 0x0100
+#define PDFTRANS_ISOLATED 0x0200
+#define PDFTRANS_KNOCKOUT 0x0400
+#define PDF_CONTENT_NOT_PARSED 0
+#define PDF_CONTENT_PARSING 1
+#define PDF_CONTENT_PARSED 2
+class CPDF_PageObjects : public CFX_Object
+{
+public:
+
+ CPDF_PageObjects(FX_BOOL bReleaseMembers = TRUE);
+
+ ~CPDF_PageObjects();
+
+
+
+
+ void ContinueParse(IFX_Pause* pPause);
+
+ int GetParseState() const
+ {
+ return m_ParseState;
+ }
+
+ FX_BOOL IsParsed() const
+ {
+ return m_ParseState == PDF_CONTENT_PARSED;
+ }
+
+ int EstimateParseProgress() const;
+
+
+
+
+ FX_POSITION GetFirstObjectPosition() const
+ {
+ return m_ObjectList.GetHeadPosition();
+ }
+
+ FX_POSITION GetLastObjectPosition() const
+ {
+ return m_ObjectList.GetTailPosition();
+ }
+
+ CPDF_PageObject* GetNextObject(FX_POSITION& pos) const
+ {
+ return (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ }
+
+ CPDF_PageObject* GetPrevObject(FX_POSITION& pos) const
+ {
+ return (CPDF_PageObject*)m_ObjectList.GetPrev(pos);
+ }
+
+ CPDF_PageObject* GetObjectAt(FX_POSITION pos) const
+ {
+ return (CPDF_PageObject*)m_ObjectList.GetAt(pos);
+ }
+
+ FX_DWORD CountObjects() const
+ {
+ return m_ObjectList.GetCount();
+ }
+
+ int GetObjectIndex(CPDF_PageObject* pObj) const;
+
+ CPDF_PageObject* GetObjectByIndex(int index) const;
+
+
+
+
+
+ FX_POSITION InsertObject(FX_POSITION posInsertAfter, CPDF_PageObject* pNewObject);
+
+ void Transform(const CFX_AffineMatrix& matrix);
+
+ FX_BOOL BackgroundAlphaNeeded() const
+ {
+ return m_bBackgroundAlphaNeeded;
+ }
+
+ CFX_FloatRect CalcBoundingBox() const;
+
+ CPDF_Dictionary* m_pFormDict;
+
+ CPDF_Stream* m_pFormStream;
+
+ CPDF_Document* m_pDocument;
+
+ CPDF_Dictionary* m_pPageResources;
+
+ CPDF_Dictionary* m_pResources;
+
+ CFX_FloatRect m_BBox;
+
+ int m_Transparency;
+
+protected:
+ friend class CPDF_ContentParser;
+ friend class CPDF_StreamContentParser;
+ friend class CPDF_AllStates;
+
+ CFX_PtrList m_ObjectList;
+
+ FX_BOOL m_bBackgroundAlphaNeeded;
+
+ FX_BOOL m_bReleaseMembers;
+ void LoadTransInfo();
+ void ClearCacheObjects();
+
+ CPDF_ContentParser* m_pParser;
+
+ FX_BOOL m_ParseState;
+};
+class CPDF_Page : public CPDF_PageObjects, public CFX_PrivateData
+{
+public:
+
+ CPDF_Page();
+
+ ~CPDF_Page();
+
+ void Load(CPDF_Document* pDocument, CPDF_Dictionary* pPageDict, FX_BOOL bPageCache = TRUE);
+
+ void StartParse(CPDF_ParseOptions* pOptions = NULL, FX_BOOL bReParse = FALSE);
+
+ void ParseContent(CPDF_ParseOptions* pOptions = NULL, FX_BOOL bReParse = FALSE);
+
+ void GetDisplayMatrix(CFX_AffineMatrix& matrix, int xPos, int yPos,
+ int xSize, int ySize, int iRotate) const;
+
+ FX_FLOAT GetPageWidth() const
+ {
+ return m_PageWidth;
+ }
+
+ FX_FLOAT GetPageHeight() const
+ {
+ return m_PageHeight;
+ }
+
+ CFX_FloatRect GetPageBBox() const
+ {
+ return m_BBox;
+ }
+
+ const CFX_AffineMatrix& GetPageMatrix() const
+ {
+ return m_PageMatrix;
+ }
+
+ CPDF_Object* GetPageAttr(FX_BSTR name) const;
+
+
+
+ CPDF_PageRenderCache* GetRenderCache() const
+ {
+ return m_pPageRender;
+ }
+
+ void ClearRenderCache();
+
+protected:
+ friend class CPDF_ContentParser;
+
+ FX_FLOAT m_PageWidth;
+
+ FX_FLOAT m_PageHeight;
+
+ CFX_AffineMatrix m_PageMatrix;
+
+ CPDF_PageRenderCache* m_pPageRender;
+};
+class CPDF_ParseOptions : public CFX_Object
+{
+public:
+
+ CPDF_ParseOptions();
+
+ FX_BOOL m_bTextOnly;
+
+ FX_BOOL m_bMarkedContent;
+
+ FX_BOOL m_bSeparateForm;
+
+ FX_BOOL m_bDecodeInlineImage;
+};
+class CPDF_Form : public CPDF_PageObjects
+{
+public:
+
+ CPDF_Form(CPDF_Document* pDocument, CPDF_Dictionary* pPageResources, CPDF_Stream* pFormStream, CPDF_Dictionary* pParentResources = NULL);
+
+ ~CPDF_Form();
+
+ void StartParse(CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix,
+ CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level = 0);
+
+ void ParseContent(CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix,
+ CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level = 0);
+
+ CPDF_Form* Clone() const;
+};
+class CPDF_PageContentGenerate : public CFX_Object
+{
+public:
+ CPDF_PageContentGenerate(CPDF_Page* pPage);
+ ~CPDF_PageContentGenerate();
+ FX_BOOL InsertPageObject(CPDF_PageObject* pPageObject);
+ void GenerateContent();
+ void TransformContent(CFX_Matrix& matrix);
+protected:
+ void ProcessImage(CFX_ByteTextBuf& buf, CPDF_ImageObject* pImageObj);
+ void ProcessForm(CFX_ByteTextBuf& buf, FX_LPCBYTE data, FX_DWORD size, CFX_Matrix& matrix);
+ CFX_ByteString RealizeResource(CPDF_Object* pResourceObj, const FX_CHAR* szType);
+private:
+ CPDF_Page* m_pPage;
+ CPDF_Document* m_pDocument;
+ CFX_PtrArray m_pageObjects;
+};
+#endif
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