1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECT_H_ 8 #define CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECT_H_ 9 10 #include "core/fpdfapi/page/cpdf_contentmark.h" 11 #include "core/fpdfapi/page/cpdf_graphicstates.h" 12 #include "core/fxcrt/fx_coordinates.h" 13 #include "core/fxcrt/fx_system.h" 14 15 class CPDF_TextObject; 16 class CPDF_PathObject; 17 class CPDF_ImageObject; 18 class CPDF_ShadingObject; 19 class CPDF_FormObject; 20 21 class CPDF_PageObject : public CPDF_GraphicStates { 22 public: 23 enum Type { 24 TEXT = 1, 25 PATH, 26 IMAGE, 27 SHADING, 28 FORM, 29 }; 30 31 CPDF_PageObject(); 32 ~CPDF_PageObject() override; 33 34 virtual Type GetType() const = 0; 35 virtual void Transform(const CFX_Matrix& matrix) = 0; 36 virtual bool IsText() const; 37 virtual bool IsPath() const; 38 virtual bool IsImage() const; 39 virtual bool IsShading() const; 40 virtual bool IsForm() const; 41 virtual CPDF_TextObject* AsText(); 42 virtual const CPDF_TextObject* AsText() const; 43 virtual CPDF_PathObject* AsPath(); 44 virtual const CPDF_PathObject* AsPath() const; 45 virtual CPDF_ImageObject* AsImage(); 46 virtual const CPDF_ImageObject* AsImage() const; 47 virtual CPDF_ShadingObject* AsShading(); 48 virtual const CPDF_ShadingObject* AsShading() const; 49 virtual CPDF_FormObject* AsForm(); 50 virtual const CPDF_FormObject* AsForm() const; 51 52 void TransformClipPath(CFX_Matrix& matrix); 53 void TransformGeneralState(CFX_Matrix& matrix); 54 GetRect()55 CFX_FloatRect GetRect() const { 56 return CFX_FloatRect(m_Left, m_Bottom, m_Right, m_Top); 57 } 58 FX_RECT GetBBox(const CFX_Matrix* pMatrix) const; 59 60 FX_FLOAT m_Left; 61 FX_FLOAT m_Right; 62 FX_FLOAT m_Top; 63 FX_FLOAT m_Bottom; 64 CPDF_ContentMark m_ContentMark; 65 66 protected: 67 void CopyData(const CPDF_PageObject* pSrcObject); 68 69 private: 70 CPDF_PageObject(const CPDF_PageObject& src) = delete; 71 void operator=(const CPDF_PageObject& src) = delete; 72 }; 73 74 #endif // CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECT_H_ 75