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/***************************************************************************
palette.cpp - description
-------------------
begin : Sat Jul 8 2000
copyright : (C) 2000 by Artur Rataj
email : art@zeus.polsl.gliwice.pl
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <qstring.h>
#include <qstringlist.h>
#include <qtextstream.h>
#include <qregexp.h>
#include <kglobal.h>
#include <kstandarddirs.h>
#include <klocale.h>
#include "main.h"
#include "color.h"
#include "palette.h"
Palette::Palette() {
init();
}
Palette::Palette(const Palette& palette) {
init();
for(int colorIndex = 0; colorIndex < palette.length(); ++colorIndex) {
Color* color = new Color(*( (Palette&)palette ).color( colorIndex ));
append(color);
}
setName(palette.name());
}
Palette::~Palette() {
}
void Palette::init() {
colors.setAutoDelete(true);
}
QStringList Palette::kdePalettes() {
QStringList paletteList;
KGlobal::dirs()->findAllResources("config", palettesDir + "/*", false, true, paletteList);
return paletteList;
}
void Palette::setName(const QString& name) {
m_name = name;
}
const QString& Palette::name() const {
return m_name;
}
void Palette::insert(const int index, Color* const color) {
colors.insert(index, color);
}
void Palette::append(Color* const color) {
colors.append(color);
}
void Palette::remove(const int index) {
colors.remove(index);
}
int Palette::length() const {
return (int)colors.count();
}
Color* Palette::color(const int index) {
return colors.at(index);
}
Palette Palette::copy(const int index, const int length) {
Palette newPalette;
for(int colorIndex = index; colorIndex < index + length; ++colorIndex)
newPalette.append(new Color( *color(colorIndex) ));
newPalette.setName(name());
return newPalette;
}
Palette Palette::cut(const int index, const int length) {
Palette newPalette;
for(int colorNum = 0; colorNum < length; ++colorNum) {
newPalette.append(new Color( *color(index) ));
remove(index);
}
newPalette.setName(name());
return newPalette;
}
void Palette::paste(const int index, Palette& palette) {
for(int colorIndex = 0; colorIndex < palette.length(); ++colorIndex)
insert(index + colorIndex, new Color( *palette.color(colorIndex) ));
}
bool Palette::load(QTextStream& stream, bool loadName /* = true */) {
bool result = true;
setName("KDE palette");
int lineNum = 0;
while (!stream.atEnd()) {
QString string = stream.readLine().append(' ');
if(string.find( QRegExp("[^\\s]") ) == -1 ||
string.stripWhiteSpace().at( 0 ) == '#' ||
( loadName && lineNum == 0 )) {
if(loadName && lineNum == 0)
setName(string.stripWhiteSpace());
} else {
Color* newColor = new Color();
int position = string.find(QRegExp( "[^\\s]" ));
for(int componentIndex = 0; componentIndex < Color::COMPONENTS_NUM;
++componentIndex) {
if(position == -1) {
m_errorString = i18n("Invalid format");
result = false;
break;
}
int endPosition = string.find(QRegExp( "\\s" ), position);
if(endPosition == -1) {
m_errorString = i18n("Invalid format");
result = false;
break;
}
QString componentString = string.mid(position, endPosition - position);
int componentValue = componentString.toInt(&result);
if(!result ||
componentValue < 0 ||
componentValue > RGB_MAX_COMPONENT_VALUE) {
m_errorString = i18n("Invalid format");
result = false;
break;
}
newColor->setComponent(componentIndex, componentValue);
position = string.find(QRegExp( "[^\\s]" ), endPosition);
}
if(!result) {
delete newColor;
break;
}
if(position != -1)
newColor->setName(string.mid( position ).stripWhiteSpace());
colors.append(newColor);
}
++lineNum;
}
if(!result)
deleteContents();
return result;
}
bool Palette::load(const QString& fileName) {
bool result = true;
QFile file(fileName);
if(!file.open( IO_ReadOnly )) {
m_errorString = i18n("Could not open file");
result = false;
} else {
QTextStream stream(&file);
result = load(stream);
file.close();
}
return result;
}
bool Palette::save(QTextStream& stream, const QFile* file /* = 0 */,
bool saveName /* = true */) {
bool result = true;
if(saveName)
stream << name() + QString("\n");
if(file && file->status() != IO_Ok) {
m_errorString = i18n("Write error");
result = false;
} else
for(int colorIndex = 0; colorIndex < length(); ++colorIndex) {
Color* col = color(colorIndex);
QString redComponentString;
QString greenComponentString;
QString blueComponentString;
redComponentString.setNum(col->component( Color::RED_INDEX ));
greenComponentString.setNum(col->component( Color::GREEN_INDEX ));
blueComponentString.setNum(col->component( Color::BLUE_INDEX ));
QString nameString = col->name();
if(!nameString.isEmpty())
nameString.prepend(" ");
stream << redComponentString + QString(" ") +
greenComponentString + QString(" ") +
blueComponentString +
nameString + QString("\n");
if(file && file->status() != IO_Ok) {
m_errorString = i18n("Write error");
result = false;
break;
}
}
return result;
}
bool Palette::save(const QString& fileName) {
bool result = true;
QFile file(fileName);
if(!file.open( IO_WriteOnly|IO_Truncate )) {
m_errorString = i18n("Could not open file for writing");
result = false;
} else {
QTextStream stream(&file);
result = save(stream);
file.close();
}
return result;
}
void Palette::deleteContents() {
colors.clear();
}
const QString& Palette::errorString() const {
return m_errorString;
}
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