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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
/***************************************************************************
util.cpp - description
-------------------
begin : Fri Sep 14 2001
copyright : (C) 2001 by Franz Schmid
email : Franz.Schmid@altmuehlnet.de
***************************************************************************/
/***************************************************************************
* *
* 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 <QFile>
#include <QPixmap>
#include <QRgb>
#include "util_icon.h"
#include "prefsmanager.h"
#include "scpaths.h"
#include "scpixmapcache.h"
QPixmap loadIcon(const QString nam, bool forceUseColor)
{
static ScPixmapCache<QString> pxCache;
if (pxCache.contains(nam))
return *pxCache[nam];
QString iconFilePath(QString("%1%2").arg(ScPaths::instance().iconDir()).arg(nam));
QPixmap *pm = new QPixmap();
if (!QFile::exists(iconFilePath))
qWarning("Unable to load icon %s: File not found", iconFilePath.toAscii().constData());
else
{
pm->load(iconFilePath);
if (pm->isNull())
qWarning("Unable to load icon %s: Got null pixmap", iconFilePath.toAscii().constData());
if (PrefsManager::instance()->appPrefs.grayscaleIcons && !forceUseColor)
{
QImage qi(pm->toImage());
int h=qi.height();
int w=qi.width();
QRgb c_rgb;
for (int i=0;i<w;++i)
{
for (int j=0;j<h;++j)
{
c_rgb=qi.pixel(i,j);
int k = qMin(qRound(0.3 * qRed(c_rgb) + 0.59 * qGreen(c_rgb) + 0.11 * qBlue(c_rgb)), 255);
qi.setPixel(i, j, qRgba(k, k, k, qAlpha(c_rgb)));
}
}
*pm=QPixmap::fromImage(qi);
}
}
pxCache.insert(nam, pm);
return *pm;
}
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