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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>
#include <tools/stream.hxx>
// 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;
while(index < rStr.getLength() &&
(rStr[index] == ' ' || rStr[index] == '\n' || rStr[index] == '\t'))
++index;
if(index == rStr.getLength())
{
index = -1;
return OString();
}
substart = index;
while(index < rStr.getLength() &&
!(rStr[index] == ' ' || rStr[index] == '\n' || rStr[index] == '\t'))
{
++index;
++toklen;
}
while(index < rStr.getLength() &&
(rStr[index] == ' ' || rStr[index] == '\n' || rStr[index] == '\t'))
++index;
if(index == rStr.getLength())
index = -1;
return rStr.copy(substart, toklen);
}
Palette::Palette(const OUString &rFname) :
mbLoaded( false ),
maFname( rFname ){}
const OString& Palette::GetPaletteName()
{
LoadPalette();
return maName;
}
const Palette::ColorList& Palette::GetPaletteColors()
{
LoadPalette();
return maColors;
}
void Palette::LoadPalette()
{
if( mbLoaded ) return;
mbLoaded = true;
// TODO add error handling!!!
SvFileStream aFile(maFname, STREAM_READ);
OString aLine;
aFile.ReadLine(aLine);
if( !aLine.startsWith("GIMP Palette") ) return;
aFile.ReadLine(aLine);
if( aLine.startsWith("Name: ", &maName) )
{
aFile.ReadLine(aLine);
if( aLine.startsWith("Columns: "))
aFile.ReadLine(aLine); // we can ignore this
}
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), name));
}
} while (aFile.ReadLine(aLine));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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