PixmapWidget.cpp

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2024 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY, without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see https://www.gnu.org/licenses
 *
 */
 
#include "PixmapWidget.h"
#include "../Skin.h"
#include <QPainter>
 
#include <core/Object.h>
 
PixmapWidget::PixmapWidget( QWidget *pParent )
 : QWidget( pParent )
 , m_sPixmapPath( "" )
 , __expand_horiz(false)
{
        // draw the background: slower but useful with transparent images!
        //setAttribute(Qt::WA_OpaquePaintEvent);
        __color = QColor(200, 0, 0);
}
 
 
 
PixmapWidget::~PixmapWidget()
{
}
 
 
 
 
void PixmapWidget::setColor(const QColor& color)
{
        if (__color == color) {
                return;
        }
        __color = color;
        update();
}
 
 
 
void PixmapWidget::setPixmap( QString sPixmapPath, bool expand_horiz )
{
        if ( m_sPixmapPath == sPixmapPath ) {
                return;
        }
        m_sPixmapPath = sPixmapPath;
        __expand_horiz = expand_horiz;
 
        bool ok = m_pixmap.load( Skin::getImagePath() + sPixmapPath );
        if ( !ok ) {
                _INFOLOG( QString( "Error loading: %1%2").arg( Skin::getImagePath() ).arg( sPixmapPath ) );
        }
 
        resize( m_pixmap.width(), m_pixmap.height() );
        update();
}
 
 
 
void PixmapWidget::paintEvent( QPaintEvent* ev)
{
        QWidget::paintEvent(ev);
 
        QPainter painter(this);
        if ( m_pixmap.isNull() ) {
                painter.fillRect( ev->rect(), __color );
        }
        else {
                if (__expand_horiz) {
                        static int w = 10;
                        static int h = m_pixmap.height();
 
                        // central section, scaled
                        painter.drawPixmap( QRect(w, 0, width() - w * 2, h), m_pixmap, QRect(10, 0, w, h) );
 
                        // left side
                        painter.drawPixmap( QRect(0, 0, w, h), m_pixmap, QRect(0, 0, w, h) );
 
                        // right side
                        painter.drawPixmap( QRect(width() - w, 0, w, h), m_pixmap, QRect(m_pixmap.width() - w, 0, w, h) );
                }
                else {
                        painter.drawPixmap( ev->rect(), m_pixmap, ev->rect() );
                }
        }
}