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// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "scicon.h"
#include <QApplication>
#include <QColor>
#include <QIcon>
#include <QImage>
#include <QPalette>
#include <QPixmap>
static void MakeSingleColorImage(QImage& img, const QColor& colorbase)
{
img = img.convertToFormat(QImage::Format_ARGB32);
for (int x = img.width(); x--; )
{
for (int y = img.height(); y--; )
{
const QRgb rgb = img.pixel(x, y);
img.setPixel(x, y, qRgba(colorbase.red(), colorbase.green(), colorbase.blue(), qAlpha(rgb)));
}
}
}
QImage SingleColorImage(const QString& filename, const QColor& colorbase)
{
QImage img(filename);
MakeSingleColorImage(img, colorbase);
return img;
}
QIcon SingleColorIcon(const QIcon& ico, const QColor& colorbase)
{
QIcon new_ico;
QSize sz;
Q_FOREACH(sz, ico.availableSizes())
{
QImage img(ico.pixmap(sz).toImage());
MakeSingleColorImage(img, colorbase);
new_ico.addPixmap(QPixmap::fromImage(img));
}
return new_ico;
}
QIcon SingleColorIcon(const QString& filename, const QColor& colorbase)
{
return QIcon(QPixmap::fromImage(SingleColorImage(filename, colorbase)));
}
QColor SingleColor()
{
const QColor colorHighlightBg(QApplication::palette().color(QPalette::Highlight));
const QColor colorHighlightFg(QApplication::palette().color(QPalette::HighlightedText));
const QColor colorText(QApplication::palette().color(QPalette::WindowText));
const int colorTextLightness = colorText.lightness();
QColor colorbase;
if (abs(colorHighlightBg.lightness() - colorTextLightness) < abs(colorHighlightFg.lightness() - colorTextLightness))
colorbase = colorHighlightBg;
else
colorbase = colorHighlightFg;
return colorbase;
}
QIcon SingleColorIcon(const QString& filename)
{
return SingleColorIcon(filename, SingleColor());
}
static QColor TextColor()
{
return QColor(QApplication::palette().color(QPalette::WindowText));
}
QIcon TextColorIcon(const QString& filename)
{
return SingleColorIcon(filename, TextColor());
}
QIcon TextColorIcon(const QIcon& ico)
{
return SingleColorIcon(ico, TextColor());
}
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