matrixion/src/ColorImageProvider.cpp

#include "ColorImageProvider.h"

#include <QPainter>

QPixmap
ColorImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &)
{
        auto args = id.split('?');

        QPixmap source(args[0]);

        if (size)
                *size = QSize(source.width(), source.height());

        if (args.size() < 2)
                return source;

        QColor color(args[1]);

        QPixmap colorized = source;
        QPainter painter(&colorized);
        painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
        painter.fillRect(colorized.rect(), color);
        painter.end();

        return colorized;
}