Mercurial > hg > sonic-visualiser
view main/SVSplash.cpp @ 2153:f57b0eea9201
Remove LTO again. It makes linking very slow, I'm not noticing any practical difference in performance, it doesn't work correctly on Travis image etc, and it sometimes breaks in incremental builds.
author | Chris Cannam |
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date | Thu, 06 Dec 2018 09:55:36 +0000 |
parents | 82cac4a6c581 |
children | eb7f4579e5cc |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ #include "SVSplash.h" #include "../version.h" #include <QPainter> #include <QApplication> #include <QDesktopWidget> #include <QSvgRenderer> #include <cmath> #include <iostream> using namespace std; SVSplash::SVSplash() { setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint); QPixmap *p1 = new QPixmap(":icons/scalable/sv-splash.png"); int w = p1->width(), h = p1->height(); QRect desk = QApplication::desktop()->availableGeometry(); double dpratio = devicePixelRatio(); double widthMultiple = double(desk.width()) / double(w); int sw = w, sh = h; if (widthMultiple > 2.5 || dpratio > 1.0) { // Hi-dpi either via pixel doubling or simply via lots of // pixels double factor = widthMultiple / 2.5; if (factor < 1.0) factor = 1.0; sw = int(floor(w * factor)); sh = int(floor(h * factor)); delete p1; m_pixmap = new QPixmap(int(floor(sw * dpratio)), int(floor(sh * dpratio))); // cerr << "pixmap size = " << m_pixmap->width() << " * " // << m_pixmap->height() << endl; m_pixmap->fill(Qt::red); QSvgRenderer renderer(QString(":icons/scalable/sv-splash.svg")); QPainter painter(m_pixmap); renderer.render(&painter); painter.end(); } else { // The "low dpi" case m_pixmap = p1; } setFixedWidth(sw); setFixedHeight(sh); setGeometry(desk.x() + desk.width()/2 - sw/2, desk.y() + desk.height()/2 - sh/2, sw, sh); } SVSplash::~SVSplash() { delete m_pixmap; } void SVSplash::finishSplash(QWidget *w) { finish(w); } void SVSplash::drawContents(QPainter *painter) { painter->drawPixmap(rect(), *m_pixmap, m_pixmap->rect()); QString text = QString("v%1").arg(SV_VERSION); painter->setPen(Qt::black); painter->drawText (width() - painter->fontMetrics().width(text) - (width()/50), (width()/70) + painter->fontMetrics().ascent(), text); }