// Copyright 2016 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 CORE_FPDFAPI_PAGE_CPDF_SHADINGPATTERN_H_ #define CORE_FPDFAPI_PAGE_CPDF_SHADINGPATTERN_H_ #include <memory> #include <vector> #include "core/fpdfapi/page/cpdf_countedobject.h" #include "core/fpdfapi/page/cpdf_pattern.h" #include "core/fxcrt/fx_system.h" enum ShadingType { kInvalidShading = 0, kFunctionBasedShading = 1, kAxialShading = 2, kRadialShading = 3, kFreeFormGouraudTriangleMeshShading = 4, kLatticeFormGouraudTriangleMeshShading = 5, kCoonsPatchMeshShading = 6, kTensorProductPatchMeshShading = 7, kMaxShading = 8 }; class CFX_Matrix; class CPDF_ColorSpace; class CPDF_Document; class CPDF_Function; class CPDF_Object; class CPDF_ShadingPattern : public CPDF_Pattern { public: CPDF_ShadingPattern(CPDF_Document* pDoc, CPDF_Object* pPatternObj, bool bShading, const CFX_Matrix& parentMatrix); ~CPDF_ShadingPattern() override; CPDF_TilingPattern* AsTilingPattern() override; CPDF_ShadingPattern* AsShadingPattern() override; bool IsMeshShading() const { return m_ShadingType == kFreeFormGouraudTriangleMeshShading || m_ShadingType == kLatticeFormGouraudTriangleMeshShading || m_ShadingType == kCoonsPatchMeshShading || m_ShadingType == kTensorProductPatchMeshShading; } bool Load(); ShadingType GetShadingType() const { return m_ShadingType; } bool IsShadingObject() const { return m_bShadingObj; } CPDF_Object* GetShadingObject() const { return m_pShadingObj; } CPDF_ColorSpace* GetCS() const { return m_pCS; } const std::vector<std::unique_ptr<CPDF_Function>>& GetFuncs() const { return m_pFunctions; } private: ShadingType m_ShadingType; bool m_bShadingObj; CPDF_Object* m_pShadingObj; // Still keep |m_pCS| as some CPDF_ColorSpace (name object) are not managed // as counted objects. Refer to CPDF_DocPageData::GetColorSpace. CPDF_ColorSpace* m_pCS; CPDF_CountedColorSpace* m_pCountedCS; std::vector<std::unique_ptr<CPDF_Function>> m_pFunctions; }; #endif // CORE_FPDFAPI_PAGE_CPDF_SHADINGPATTERN_H_