120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#ifndef _PDF_WRITER_SRC_SHADING_H
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#define _PDF_WRITER_SRC_STREAMS_H
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#include "Objects.h"
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#include "Pattern.h"
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namespace PdfWriter
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{
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enum EShadingType
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{
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shadingtype_Unknown = 0,
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shadingtype_Axial = 2,
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shadingtype_Radial = 3
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};
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//----------------------------------------------------------------------------------------
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// CShading
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//----------------------------------------------------------------------------------------
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class CShading : public CDictObject
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{
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public:
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CShading(CXref* pXref);
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virtual ~CShading();
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void SetRgbColors(unsigned char* pColors, double* dPoints, int nCount);
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void SetGrayColors(unsigned char* pColors, double* dPoints, int nCount);
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void SetExtend(bool bBeing, bool bEnd);
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bool CompareColors(unsigned char* pColors, double* pPoints, int nCount, bool bRgb);
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bool CompareExtend(bool bBeing, bool bEnd);
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virtual EShadingType GetShadingType()
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{
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return shadingtype_Unknown;
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}
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protected:
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CXref* m_pXref;
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private:
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bool m_bRgb; // Rgb или Gray
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unsigned char* m_pColors;
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double* m_pColorsPoints;
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int m_nColorsCount;
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bool m_bBeginExtend;
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bool m_bEndExtend;
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};
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//----------------------------------------------------------------------------------------
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// CAxialShading
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//----------------------------------------------------------------------------------------
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class CAxialShading : public CShading
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{
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public:
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CAxialShading(CXref* pXref, double dX0, double dY0, double dX1, double dY1);
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bool Compare(double dX0, double dY0, double dX1, double dY1);
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EShadingType GetShadingType()
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{
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return shadingtype_Axial;
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}
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private:
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double m_dX0;
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double m_dY0;
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double m_dX1;
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double m_dY1;
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};
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//----------------------------------------------------------------------------------------
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// CRadialShading
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//----------------------------------------------------------------------------------------
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class CRadialShading : public CShading
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{
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public:
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CRadialShading(CXref* pXref, double dX0, double dY0, double dR0, double dX1, double dY1, double dR1);
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bool Compare(double dX0, double dY0, double dR0, double dX1, double dY1, double dR1);
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EShadingType GetShadingType()
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{
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return shadingtype_Radial;
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}
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private:
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double m_dX0;
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double m_dY0;
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double m_dR0;
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double m_dX1;
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double m_dY1;
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double m_dR1;
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};
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}
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#endif // _PDF_WRITER_SRC_STREAMS_H
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