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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svx/Palette.hxx>
Palette::~Palette()
{
}
// PaletteGPL ------------------------------------------------------------------
OString lcl_getToken(const OString& rStr, sal_Int32& index);
PaletteGPL::PaletteGPL( const OUString &rFPath, const OUString &rFName ) :
mbLoadedPalette( false ),
mbValidPalette( false ),
maFName( rFName ),
maFPath( rFPath )
{
LoadPaletteHeader();
}
PaletteGPL::~PaletteGPL()
{
}
const OUString& PaletteGPL::GetName()
{
return maName;
}
void PaletteGPL::LoadColorSet( SvxColorValueSet& rColorSet )
{
LoadPalette();
rColorSet.Clear();
int nIx = 1;
for(ColorList::const_iterator it = maColors.begin();
it != maColors.end(); ++it)
{
// TODO make it->second OUString
rColorSet.InsertItem(nIx, it->first, it->second);
++nIx;
}
}
bool PaletteGPL::IsValid()
{
return mbValidPalette;
}
bool PaletteGPL::ReadPaletteHeader(SvFileStream& rFileStream)
{
OString aLine;
OString aName;
rFileStream.ReadLine(aLine);
if( !aLine.startsWith("GIMP Palette") ) return false;
rFileStream.ReadLine(aLine);
if( aLine.startsWith("Name: ", &aName) )
{
maName = OStringToOUString(aName, RTL_TEXTENCODING_ASCII_US);
rFileStream.ReadLine(aLine);
if( aLine.startsWith("Columns: "))
rFileStream.ReadLine(aLine); // we can ignore this
}
else
{
maName = maFName;
}
return true;
}
void PaletteGPL::LoadPaletteHeader()
{
SvFileStream aFile(maFPath, STREAM_READ);
mbValidPalette = ReadPaletteHeader( aFile );
}
void PaletteGPL::LoadPalette()
{
if( mbLoadedPalette ) return;
mbLoadedPalette = true;
// TODO add error handling!!!
SvFileStream aFile(maFPath, STREAM_READ);
mbValidPalette = ReadPaletteHeader( aFile );
if( !mbValidPalette ) return;
OString aLine;
do {
if (aLine[0] != '#' && aLine[0] != '\n')
{
// TODO check if r,g,b are 0<= x <=255, or just clamp?
sal_Int32 nIndex = 0;
OString token;
token = lcl_getToken(aLine, nIndex);
if(token == "" || nIndex == -1) continue;
sal_Int32 r = token.toInt32();
token = lcl_getToken(aLine, nIndex);
if(token == "" || nIndex == -1) continue;
sal_Int32 g = token.toInt32();
token = lcl_getToken(aLine, nIndex);
if(token == "") continue;
sal_Int32 b = token.toInt32();
OString name;
if(nIndex != -1)
name = aLine.copy(nIndex);
maColors.push_back(std::make_pair(
Color(r, g, b),
OStringToOUString(name, RTL_TEXTENCODING_ASCII_US)));
}
} while (aFile.ReadLine(aLine));
}
// finds first token in rStr from index, separated by whitespace
// returns position of next token in index
OString lcl_getToken(const OString& rStr, sal_Int32& index)
{
sal_Int32 substart, toklen = 0;
OUString aWhitespaceChars( " \n\t" );
while(index < rStr.getLength() &&
aWhitespaceChars.indexOf( rStr[index] ) != -1)
++index;
if(index == rStr.getLength())
{
index = -1;
return OString();
}
substart = index;
//counts length of token
while(index < rStr.getLength() &&
aWhitespaceChars.indexOf( rStr[index] ) == -1 )
{
++index;
++toklen;
}
//counts to position of next token
while(index < rStr.getLength() &&
aWhitespaceChars.indexOf( rStr[index] ) != -1 )
++index;
if(index == rStr.getLength())
index = -1;
return rStr.copy(substart, toklen);
}
// PaletteSOC ------------------------------------------------------------------
PaletteSOC::PaletteSOC( const OUString &rFPath, const OUString &rFName ) :
mbLoadedPalette( false ),
maFPath( rFPath ),
maName( rFName )
{
}
PaletteSOC::~PaletteSOC()
{
}
const OUString& PaletteSOC::GetName()
{
return maName;
}
void PaletteSOC::LoadColorSet( SvxColorValueSet& rColorSet )
{
if( !mbLoadedPalette )
{
mbLoadedPalette = true;
mpColorList = XPropertyList::AsColorList(XPropertyList::CreatePropertyListFromURL(XCOLOR_LIST, maFPath));
mpColorList->Load();
}
rColorSet.Clear();
if( mpColorList.is() )
rColorSet.addEntriesForXColorList( *mpColorList );
}
bool PaletteSOC::IsValid()
{
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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