Yajbir Singh
174 lines
6.5 KiB
C++
174 lines
6.5 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 "ShadingDescriptor.h"
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#include "../Common/Base/FormatUtils.h"
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namespace DocFileFormat
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{
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/// Creates a new ShadingDescriptor with default values
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ShadingDescriptor::ShadingDescriptor()
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{
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setDefaultValues();
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}
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/// Parses the bytes to retrieve a ShadingDescriptor.
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ShadingDescriptor::ShadingDescriptor(unsigned char* bytes, int size)
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{
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setDefaultValues();
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if (NULL != bytes)
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{
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if (10 == size)
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{
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//it's a Word 2000/2003 descriptor
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unsigned char cvForeBytes[4] = { bytes[2], bytes[1], bytes[0], 0 };
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unsigned char cvBackBytes[4] = { bytes[6], bytes[5], bytes[4], 0 };
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cvFore = FormatUtils::BytesToUInt32( cvForeBytes, 0, 4 );
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if ( bytes[3] == 0xFF )
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{
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cvForeAuto = true;
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}
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cvBack = FormatUtils::BytesToUInt32( cvBackBytes, 0, 4 );
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if ( bytes[7] == 0xFF )
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{
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cvBackAuto = true;
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}
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ipat = (ShadingPattern)FormatUtils::BytesToUInt16( bytes, 8, size );
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shadingType = shadingTypeShd;
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if ( ( cvFore == 0 ) && ( bytes[3] == 0xFF ) && ( cvBack == 0 ) && ( bytes[7] == 0xFF ) && ( ipat == Automatic ) )
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{
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shadingSpecialValue = shadingSpecialValueShdAuto;
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}
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else if ( ( cvFore == 0xFFFFFF ) && ( bytes[3] == 0xFF ) && ( cvBack == 0xFFFFFF ) && ( bytes[7] == 0xFF ) && ( ipat == Automatic ) )
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{
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shadingSpecialValue = shadingSpecialValueShdNil;
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}
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}
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else if (2 == size)
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{
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//it's a Word 97 SPRM
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short val = FormatUtils::BytesToInt16(bytes, 0, size);
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icoFore = GETBITS(val, 0, 4);
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icoBack = GETBITS(val, 5, 9);
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ipat = (ShadingPattern) GETBITS(val, 10, 15);
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shadingType = shadingTypeShd80;
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if ((icoFore == 0x1F) && (icoBack == 0x1F) && (ipat == 0x3F))
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{
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shadingSpecialValue = shadingSpecialValueShd80Nil;
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}
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else
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{
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shadingType = shadingTypeShd;
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cvForeAuto = false;
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cvBackAuto = false;
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if (0x00 == icoFore) { cvFore = RGB2 (0x00, 0x00, 0x00); cvForeAuto = true; }
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else if (0x01 == icoFore) { cvFore = RGB2 (0x00, 0x00, 0x00); }
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else if (0x02 == icoFore) { cvFore = RGB2 (0x00, 0x00, 0xFF); }
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else if (0x03 == icoFore) { cvFore = RGB2 (0x00, 0xFF, 0xFF); }
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else if (0x04 == icoFore) { cvFore = RGB2 (0x00, 0xFF, 0x00); }
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else if (0x05 == icoFore) { cvFore = RGB2 (0xFF, 0x00, 0xFF); }
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else if (0x06 == icoFore) { cvFore = RGB2 (0xFF, 0x00, 0x00); }
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else if (0x07 == icoFore) { cvFore = RGB2 (0xFF, 0xFF, 0x00); }
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else if (0x08 == icoFore) { cvFore = RGB2 (0xFF, 0xFF, 0xFF); }
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else if (0x09 == icoFore) { cvFore = RGB2 (0x00, 0x00, 0x80); }
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else if (0x0A == icoFore) { cvFore = RGB2 (0x00, 0x80, 0x80); }
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else if (0x0B == icoFore) { cvFore = RGB2 (0x00, 0x80, 0x00); }
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else if (0x0C == icoFore) { cvFore = RGB2 (0x80, 0x00, 0x80); }
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else if (0x0D == icoFore) { cvFore = RGB2 (0x80, 0x00, 0x80); }
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else if (0x0E == icoFore) { cvFore = RGB2 (0x80, 0x80, 0x00); }
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else if (0x0F == icoFore) { cvFore = RGB2 (0x80, 0x80, 0x80); }
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else if (0x10 == icoFore) { cvFore = RGB2 (0xC0, 0xC0, 0xC0); }
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if (0x00 == icoBack) { cvBack = RGB2 (0xFF, 0xFF, 0xFF); cvBackAuto = true; }
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else if (0x01 == icoBack) { cvBack = RGB2 (0x00, 0x00, 0x00); }
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else if (0x02 == icoBack) { cvBack = RGB2 (0x00, 0x00, 0xFF); }
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else if (0x03 == icoBack) { cvBack = RGB2 (0x00, 0xFF, 0xFF); }
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else if (0x04 == icoBack) { cvBack = RGB2 (0x00, 0xFF, 0x00); }
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else if (0x05 == icoBack) { cvBack = RGB2 (0xFF, 0x00, 0xFF); }
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else if (0x06 == icoBack) { cvBack = RGB2 (0xFF, 0x00, 0x00); }
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else if (0x07 == icoBack) { cvBack = RGB2 (0xFF, 0xFF, 0x00); }
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else if (0x08 == icoBack) { cvBack = RGB2 (0xFF, 0xFF, 0xFF); }
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else if (0x09 == icoBack) { cvBack = RGB2 (0x00, 0x00, 0x80); }
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else if (0x0A == icoBack) { cvBack = RGB2 (0x00, 0x80, 0x80); }
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else if (0x0B == icoBack) { cvBack = RGB2 (0x00, 0x80, 0x00); }
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else if (0x0C == icoBack) { cvBack = RGB2 (0x80, 0x00, 0x80); }
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else if (0x0D == icoBack) { cvBack = RGB2 (0x80, 0x00, 0x80); }
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else if (0x0E == icoBack) { cvBack = RGB2 (0x80, 0x80, 0x00); }
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else if (0x0F == icoBack) { cvBack = RGB2 (0x80, 0x80, 0x80); }
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else if (0x10 == icoBack) { cvBack = RGB2 (0xC0, 0xC0, 0xC0); }
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// .... если будут документы с такими цветовыми палитрами
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//if ((cvFore == 0) && (icoFore == 0x0) && (cvBack == 0) && (icoBack == 0x0) && (ipat == Automatic))
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//{
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// shadingSpecialValue = shadingSpecialValueShdAuto;
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//}
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//else if ((cvFore == 0xFFFFFF) && (icoFore == 0x0) && (cvBack == 0xFFFFFF) && (icoBack == 0x0) && (ipat == Automatic))
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//{
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// shadingSpecialValue = shadingSpecialValueShdNil;
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//}
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}
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}
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else
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{
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}
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}
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}
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void ShadingDescriptor::setDefaultValues()
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{
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cvBack = 0;
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cvBackAuto = false;
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cvFore = 0;
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cvForeAuto = false;
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icoBack = 0;
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icoFore = 0;
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ipat = Automatic;
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shadingType = shadingTypeShd80;
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shadingSpecialValue = shadingSpecialValueNormal;
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}
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}
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