161 lines
4.8 KiB
C++
161 lines
4.8 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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#include "GState.h"
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namespace PdfWriter
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{
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const static char* c_sBlendModeNames[] =
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{
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"Normal",
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"Multiply",
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"Screen",
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"Overlay",
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"Darken",
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"Lighten",
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"ColorDodge",
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"ColorBurn",
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"HardLight",
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"SoftLight",
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"Difference",
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"Exclusion"
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};
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//----------------------------------------------------------------------------------------
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// CGrState
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//----------------------------------------------------------------------------------------
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CGrState::CGrState(CGrState* pCurrent)
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{
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if (pCurrent)
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{
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m_oMatrix = pCurrent->m_oMatrix;
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m_dLineWidth = pCurrent->m_dLineWidth;
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m_eLineCap = pCurrent->m_eLineCap;
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m_eLineJoin = pCurrent->m_eLineJoin;
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m_dMiterLimit = pCurrent->m_dMiterLimit;
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m_oDashMode = pCurrent->m_oDashMode;
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m_dFlatness = pCurrent->m_dFlatness;
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m_dCharSpace = pCurrent->m_dCharSpace;
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m_dWordSpace = pCurrent->m_dWordSpace;
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m_dHScalling = pCurrent->m_dHScalling;
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m_dTextLeading = pCurrent->m_dTextLeading;
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m_eRenderingMode = pCurrent->m_eRenderingMode;
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m_dTextRise = pCurrent->m_dTextRise;
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m_oFillColor = pCurrent->m_oFillColor;
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m_oStrokeColor = pCurrent->m_oStrokeColor;
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m_pFont = pCurrent->m_pFont;
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m_dFontSize = pCurrent->m_dFontSize;
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m_pPrev = pCurrent;
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m_unDepth = pCurrent->m_unDepth + 1;
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}
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else
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{
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m_dLineWidth = DEF_LINEWIDTH;
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m_eLineCap = DEF_LINECAP;
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m_eLineJoin = DEF_LINEJOIN;
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m_dMiterLimit = DEF_MITERLIMIT;
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m_dFlatness = DEF_FLATNESS;
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m_dCharSpace = DEF_CHARSPACE;
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m_dWordSpace = DEF_WORDSPACE;
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m_dHScalling = DEF_HSCALING;
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m_dTextLeading = DEF_LEADING;
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m_eRenderingMode = DEF_RENDERING_MODE;
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m_dTextRise = DEF_RISE;
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m_pFont = NULL;
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m_dFontSize = 0;
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m_pPrev = NULL;
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m_unDepth = 1;
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}
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}
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CGrState::~CGrState()
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{
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}
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//----------------------------------------------------------------------------------------
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// CExtGrState
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//----------------------------------------------------------------------------------------
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CExtGrState::CExtGrState(CXref* pXref)
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{
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if (pXref)
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pXref->Add(this);
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Add("Type", "ExtGState");
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m_eBlendMode = blendmode_Unknown;
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m_dAlphaFill = 1;
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m_dAlphaStroke = 1;
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m_bStrokeAdj = true;
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}
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void CExtGrState::SetAlphaStroke (double dValue)
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{
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dValue = std::min(1.0, std::max(0.0, dValue));
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Add("CA", dValue);
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m_dAlphaStroke = dValue;
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}
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void CExtGrState::SetAlphaFill (double dValue)
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{
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dValue = std::min(1.0, std::max(0.0, dValue));
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Add("ca", dValue);
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m_dAlphaFill = dValue;
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}
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void CExtGrState::SetBlendMode (EBlendMode eBlendMode)
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{
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eBlendMode = std::min(blendmode_Max, std::max(blendmode_Min, eBlendMode));
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Add("BM", c_sBlendModeNames[(int)eBlendMode]);
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m_eBlendMode = eBlendMode;
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}
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void CExtGrState::SetStrokeAdjustment(bool bValue)
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{
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Add("SA", bValue);
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m_bStrokeAdj = bValue;
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}
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double CExtGrState::GetAlphaStroke()
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{
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return m_dAlphaStroke;
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}
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double CExtGrState::GetAlphaFill()
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{
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return m_dAlphaFill;
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}
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EBlendMode CExtGrState::GetBlendMode()
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{
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return m_eBlendMode;
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}
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bool CExtGrState::GetStrokeAdjustment()
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{
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return m_bStrokeAdj;
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}
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}
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