7d5984d7ae
This routes not only the rgb color and a name, but also a theme index from the color picker to the chardlg (only there as a start). That way the picked color will be updated if the master page theme changes. Change-Id: I7a45d7cf63c7c36013e4656c66d9b2dbc3aa0b88 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127135 Reviewed-by: Miklos Vajna <vmiklos@collabora.com> Tested-by: Jenkins
378 lines
9.5 KiB
C++
378 lines
9.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svx/Palette.hxx>
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#include <tools/stream.hxx>
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#include <palettes.hxx>
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Palette::~Palette()
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{
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}
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PaletteASE::~PaletteASE()
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{
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}
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PaletteASE::PaletteASE( const OUString &rFPath, const OUString &rFName ) :
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mbValidPalette( false ),
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maFPath ( rFPath ),
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maASEPaletteName ( rFName )
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{
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LoadPalette();
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}
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void PaletteASE::LoadColorSet(SvxColorValueSet& rColorSet)
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{
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rColorSet.Clear();
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int nIx = 1;
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for (const auto& rColor : maColors)
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{
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rColorSet.InsertItem(nIx, rColor.first, rColor.second);
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++nIx;
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}
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}
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const OUString& PaletteASE::GetName()
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{
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return maASEPaletteName;
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}
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const OUString& PaletteASE::GetPath()
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{
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return maFPath;
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}
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bool PaletteASE::IsValid()
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{
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return mbValidPalette;
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}
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// CMYK values from 0 to 1
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// TODO: Deduplicate me (taken from core/cui/source/dialogs/colorpicker.cxx)
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static void lcl_CMYKtoRGB( float fCyan, float fMagenta, float fYellow, float fKey, float& dR, float& dG, float& dB )
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{
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fCyan = (fCyan * ( 1.0 - fKey )) + fKey;
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fMagenta = (fMagenta * ( 1.0 - fKey )) + fKey;
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fYellow = (fYellow * ( 1.0 - fKey )) + fKey;
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dR = std::clamp( 1.0 - fCyan, 0.0, 1.0 );
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dG = std::clamp( 1.0 - fMagenta, 0.0, 1.0 );
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dB = std::clamp( 1.0 - fYellow, 0.0, 1.0 );
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}
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void PaletteASE::LoadPalette()
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{
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SvFileStream aFile(maFPath, StreamMode::READ);
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aFile.SetEndian(SvStreamEndian::BIG);
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// Verify magic first 4 characters
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char cMagic[5] = {0};
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if ((aFile.ReadBytes(cMagic, 4) != 4) || (strncmp(cMagic, "ASEF", 4) != 0))
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{
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mbValidPalette = false;
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return;
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}
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// Ignore the version number
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aFile.SeekRel(4);
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sal_uInt32 nBlocks = 0;
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aFile.ReadUInt32(nBlocks);
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for (sal_uInt32 nI = 0; nI < nBlocks; nI++) {
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sal_uInt32 nChunkType = 0;
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aFile.ReadUInt32(nChunkType);
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// End chunk
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if (nChunkType == 0)
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break;
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// Grab chunk size, name length
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sal_uInt16 nChunkSize = 0;
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sal_uInt16 nChars = 0;
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aFile.ReadUInt16(nChunkSize);
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aFile.ReadUInt16(nChars);
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OUString aPaletteName("");
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if (nChars > 1)
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aPaletteName = read_uInt16s_ToOUString(aFile, nChars);
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else
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aFile.SeekRel(2);
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if (nChunkType == 0xC0010000)
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{
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// Got a start chunk, so set palette name
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maASEPaletteName = aPaletteName;
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// Is there color data? (shouldn't happen in a start block, but check anyway)
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if (nChunkSize > ((nChars * 2) + 2))
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aPaletteName.clear();
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else
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continue;
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}
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char cColorModel[5] = {0};
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aFile.ReadBytes(cColorModel, 4);
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OString aColorModel(cColorModel);
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// r, g, and b are floats ranging from 0 to 1
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float r = 0, g = 0, b = 0;
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if (aColorModel.equalsIgnoreAsciiCase("cmyk"))
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{
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float c = 0, m = 0, y = 0, k = 0;
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aFile.ReadFloat(c);
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aFile.ReadFloat(m);
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aFile.ReadFloat(y);
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aFile.ReadFloat(k);
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lcl_CMYKtoRGB(c, m, y, k, r, g, b);
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}
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else if (aColorModel.equalsIgnoreAsciiCase("rgb "))
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{
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aFile.ReadFloat(r);
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aFile.ReadFloat(g);
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aFile.ReadFloat(b);
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}
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else if (aColorModel.equalsIgnoreAsciiCase("gray"))
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{
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float nVal = 0;
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aFile.ReadFloat(nVal);
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r = g = b = nVal;
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}
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else
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{
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float nL = 0, nA = 0, nB = 0;
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aFile.ReadFloat(nL);
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aFile.ReadFloat(nA);
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aFile.ReadFloat(nB);
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// TODO: How to convert LAB to RGB?
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r = g = b = 0;
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}
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// Ignore color type
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aFile.SeekRel(2);
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maColors.emplace_back(Color(r * 255, g * 255, b * 255), aPaletteName);
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}
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mbValidPalette = true;
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}
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// PaletteGPL ------------------------------------------------------------------
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static OString lcl_getToken(const OString& rStr, sal_Int32& index);
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PaletteGPL::PaletteGPL( const OUString &rFPath, const OUString &rFName ) :
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mbLoadedPalette( false ),
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mbValidPalette( false ),
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maFName( rFName ),
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maFPath( rFPath )
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{
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LoadPaletteHeader();
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}
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PaletteGPL::~PaletteGPL()
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{
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}
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const OUString& PaletteGPL::GetName()
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{
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return maGPLPaletteName;
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}
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const OUString& PaletteGPL::GetPath()
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{
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return maFPath;
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}
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void PaletteGPL::LoadColorSet(SvxColorValueSet& rColorSet)
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{
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LoadPalette();
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rColorSet.Clear();
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int nIx = 1;
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for (const auto& rColor : maColors)
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{
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rColorSet.InsertItem(nIx, rColor.first, rColor.second);
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++nIx;
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}
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}
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bool PaletteGPL::IsValid()
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{
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return mbValidPalette;
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}
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bool PaletteGPL::ReadPaletteHeader(SvFileStream& rFileStream)
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{
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OString aLine;
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OString aPaletteName;
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rFileStream.ReadLine(aLine);
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if( !aLine.startsWith("GIMP Palette") ) return false;
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rFileStream.ReadLine(aLine);
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if( aLine.startsWith("Name: ", &aPaletteName) )
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{
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maGPLPaletteName = OStringToOUString(aPaletteName, RTL_TEXTENCODING_ASCII_US);
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rFileStream.ReadLine(aLine);
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if( aLine.startsWith("Columns: "))
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rFileStream.ReadLine(aLine); // we can ignore this
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}
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else
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{
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maGPLPaletteName = maFName;
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}
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return true;
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}
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void PaletteGPL::LoadPaletteHeader()
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{
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SvFileStream aFile(maFPath, StreamMode::READ);
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mbValidPalette = ReadPaletteHeader( aFile );
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}
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void PaletteGPL::LoadPalette()
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{
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if( mbLoadedPalette ) return;
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mbLoadedPalette = true;
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// TODO add error handling!!!
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SvFileStream aFile(maFPath, StreamMode::READ);
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mbValidPalette = ReadPaletteHeader( aFile );
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if( !mbValidPalette ) return;
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OString aLine;
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do {
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if (aLine[0] != '#' && aLine[0] != '\n')
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{
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// TODO check if r,g,b are 0<= x <=255, or just clamp?
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sal_Int32 nIndex = 0;
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OString token;
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token = lcl_getToken(aLine, nIndex);
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if(token.isEmpty() || nIndex == -1) continue;
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sal_Int32 r = token.toInt32();
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token = lcl_getToken(aLine, nIndex);
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if(token.isEmpty() || nIndex == -1) continue;
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sal_Int32 g = token.toInt32();
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token = lcl_getToken(aLine, nIndex);
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if(token.isEmpty()) continue;
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sal_Int32 b = token.toInt32();
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OString name;
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if(nIndex != -1)
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name = aLine.copy(nIndex);
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maColors.emplace_back(
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Color(r, g, b),
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OStringToOUString(name, RTL_TEXTENCODING_ASCII_US));
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}
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} while (aFile.ReadLine(aLine));
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}
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// finds first token in rStr from index, separated by whitespace
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// returns position of next token in index
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static OString lcl_getToken(const OString& rStr, sal_Int32& index)
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{
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sal_Int32 substart, toklen = 0;
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OUString aWhitespaceChars( " \n\t" );
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while(index < rStr.getLength() &&
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aWhitespaceChars.indexOf( rStr[index] ) != -1)
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++index;
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if(index == rStr.getLength())
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{
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index = -1;
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return OString();
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}
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substart = index;
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//counts length of token
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while(index < rStr.getLength() &&
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aWhitespaceChars.indexOf( rStr[index] ) == -1 )
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{
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++index;
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++toklen;
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}
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//counts to position of next token
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while(index < rStr.getLength() &&
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aWhitespaceChars.indexOf( rStr[index] ) != -1 )
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++index;
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if(index == rStr.getLength())
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index = -1;
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return rStr.copy(substart, toklen);
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}
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// PaletteSOC ------------------------------------------------------------------
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PaletteSOC::PaletteSOC( const OUString &rFPath, const OUString &rFName ) :
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mbLoadedPalette( false ),
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maFPath( rFPath ),
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maSOCPaletteName( rFName )
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{
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}
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PaletteSOC::~PaletteSOC()
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{
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}
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const OUString& PaletteSOC::GetName()
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{
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return maSOCPaletteName;
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}
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const OUString& PaletteSOC::GetPath()
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{
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return maFPath;
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}
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void PaletteSOC::LoadColorSet(SvxColorValueSet& rColorSet)
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{
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if( !mbLoadedPalette )
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{
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mbLoadedPalette = true;
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mpColorList = XPropertyList::AsColorList(XPropertyList::CreatePropertyListFromURL(XPropertyListType::Color, maFPath));
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(void)mpColorList->Load();
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}
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rColorSet.Clear();
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if( mpColorList.is() )
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rColorSet.addEntriesForXColorList( *mpColorList );
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}
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bool PaletteSOC::IsValid()
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{
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return true;
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}
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namespace svx
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{
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NamedColor NamedThemedColor::ToNamedColor() const { return { m_aColor, m_aName }; }
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NamedThemedColor NamedThemedColor::FromNamedColor(const NamedColor& rNamedColor)
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{
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NamedThemedColor aColor;
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aColor.m_aColor = rNamedColor.first;
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aColor.m_aName = rNamedColor.second;
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return aColor;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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