Chris@954: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@954: 
Chris@954: /*
Chris@954:     Sonic Visualiser
Chris@954:     An audio file viewer and annotation editor.
Chris@954:     Centre for Digital Music, Queen Mary, University of London.
Chris@954:     
Chris@954:     This program is free software; you can redistribute it and/or
Chris@954:     modify it under the terms of the GNU General Public License as
Chris@954:     published by the Free Software Foundation; either version 2 of the
Chris@954:     License, or (at your option) any later version.  See the file
Chris@954:     COPYING included with this distribution for more information.
Chris@954: */
Chris@954: 
Chris@954: #include "SVSplash.h"
Chris@954: 
Chris@954: #include "../version.h"
Chris@954: 
Chris@954: #include <QPainter>
Chris@954: #include <QApplication>
Chris@2300: #include <QScreen>
Chris@954: #include <QSvgRenderer>
Chris@954: 
Chris@2463: #include "system/System.h"
Chris@2463: 
Chris@955: #include <cmath>
Chris@955: 
Chris@954: #include <iostream>
Chris@954: using namespace std;
Chris@954: 
Chris@954: SVSplash::SVSplash()
Chris@954: {
Chris@954:     setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
Chris@2463: 
Chris@2463:     bool darkTheme = OSReportsDarkThemeActive();
Chris@954:     
Chris@2463:     QPixmap *p1 = new QPixmap(QString(":icons/scalable/sv-splash.png"));
Chris@954: 
Chris@954:     int w = p1->width(), h = p1->height();
Chris@2300:     QScreen *screen = QApplication::primaryScreen();
Chris@2300:     QRect desk = screen->availableGeometry();
Chris@954: 
Chris@954:     double dpratio = devicePixelRatio();
Chris@954:     double widthMultiple = double(desk.width()) / double(w);
Chris@954: 
Chris@954:     int sw = w, sh = h;
Chris@954: 
Chris@2463:     if (widthMultiple > 2.5 || dpratio > 1.0 || darkTheme) {
Chris@954: 
Chris@1770:         // Hi-dpi either via pixel doubling or simply via lots of
Chris@2463:         // pixels - or dark theme splash, for which we only have an
Chris@2463:         // svg version
Chris@954: 
Chris@1770:         double factor = widthMultiple / 2.5;
Chris@1770:         if (factor < 1.0) factor = 1.0;
Chris@1770:         sw = int(floor(w * factor));
Chris@1770:         sh = int(floor(h * factor));
Chris@954: 
Chris@1770:         delete p1;
Chris@1770:         m_pixmap = new QPixmap(int(floor(sw * dpratio)),
Chris@1770:                                int(floor(sh * dpratio)));
Chris@954: 
Chris@1770: //        cerr << "pixmap size = " << m_pixmap->width() << " * "
Chris@1770: //             << m_pixmap->height() << endl;
Chris@1770:         
Chris@2463:         m_pixmap->fill(Qt::white);
Chris@2463:         QString filename = "sv-splash";
Chris@2463:         if (darkTheme) {
Chris@2463:             filename = "sv-splash-dark";
Chris@2463:         }
Chris@2463:         QSvgRenderer renderer(QString(":icons/scalable/%1.svg").arg(filename));
Chris@1770:         QPainter painter(m_pixmap);
Chris@1770:         renderer.render(&painter);
Chris@1770:         painter.end();
Chris@954: 
Chris@954:     } else {
Chris@1770:         // The "low dpi" case
Chris@1770:         m_pixmap = p1;
Chris@954:     }
Chris@954:     
Chris@954:     setFixedWidth(sw);
Chris@954:     setFixedHeight(sh);
Chris@954:     setGeometry(desk.x() + desk.width()/2 - sw/2,
Chris@1770:                 desk.y() + desk.height()/2 - sh/2,
Chris@1770:                 sw, sh);
Chris@954: }
Chris@954: 
Chris@954: SVSplash::~SVSplash()
Chris@954: {
Chris@954:     delete m_pixmap;
Chris@954: }
Chris@954: 
Chris@954: void
Chris@954: SVSplash::finishSplash(QWidget *w)
Chris@954: {
Chris@954:     finish(w);
Chris@954: }
Chris@954: 
Chris@954: void
Chris@954: SVSplash::drawContents(QPainter *painter)
Chris@954: {
Chris@2300:     // Qt 5.13 deprecates QFontMetrics::width(), but its suggested
Chris@2300:     // replacement (horizontalAdvance) was only added in Qt 5.11
Chris@2300:     // which is too new for us
Chris@2300: #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
Chris@2300: 
Chris@954:     painter->drawPixmap(rect(), *m_pixmap, m_pixmap->rect());
Chris@954:     QString text = QString("v%1").arg(SV_VERSION);
Chris@2463:     painter->setPen(OSReportsDarkThemeActive() ? Qt::white : Qt::black);
Chris@954:     painter->drawText
Chris@1770:         (width() - painter->fontMetrics().width(text) - (width()/50),
Chris@1770:          (width()/70) + painter->fontMetrics().ascent(),
Chris@1770:          text);
Chris@954: }
Chris@954: 
Chris@954: