Chris@954
|
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
Chris@954
|
2
|
Chris@954
|
3 /*
|
Chris@954
|
4 Sonic Visualiser
|
Chris@954
|
5 An audio file viewer and annotation editor.
|
Chris@954
|
6 Centre for Digital Music, Queen Mary, University of London.
|
Chris@954
|
7
|
Chris@954
|
8 This program is free software; you can redistribute it and/or
|
Chris@954
|
9 modify it under the terms of the GNU General Public License as
|
Chris@954
|
10 published by the Free Software Foundation; either version 2 of the
|
Chris@954
|
11 License, or (at your option) any later version. See the file
|
Chris@954
|
12 COPYING included with this distribution for more information.
|
Chris@954
|
13 */
|
Chris@954
|
14
|
Chris@954
|
15 #include "SVSplash.h"
|
Chris@954
|
16
|
Chris@954
|
17 #include "../version.h"
|
Chris@954
|
18
|
Chris@954
|
19 #include <QPainter>
|
Chris@954
|
20 #include <QApplication>
|
Chris@2300
|
21 #include <QScreen>
|
Chris@954
|
22 #include <QSvgRenderer>
|
Chris@954
|
23
|
Chris@955
|
24 #include <cmath>
|
Chris@955
|
25
|
Chris@954
|
26 #include <iostream>
|
Chris@954
|
27 using namespace std;
|
Chris@954
|
28
|
Chris@954
|
29 SVSplash::SVSplash()
|
Chris@954
|
30 {
|
Chris@954
|
31 setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
|
Chris@954
|
32
|
Chris@954
|
33 QPixmap *p1 = new QPixmap(":icons/scalable/sv-splash.png");
|
Chris@954
|
34
|
Chris@954
|
35 int w = p1->width(), h = p1->height();
|
Chris@2300
|
36 QScreen *screen = QApplication::primaryScreen();
|
Chris@2300
|
37 QRect desk = screen->availableGeometry();
|
Chris@954
|
38
|
Chris@954
|
39 double dpratio = devicePixelRatio();
|
Chris@954
|
40 double widthMultiple = double(desk.width()) / double(w);
|
Chris@954
|
41
|
Chris@954
|
42 int sw = w, sh = h;
|
Chris@954
|
43
|
Chris@954
|
44 if (widthMultiple > 2.5 || dpratio > 1.0) {
|
Chris@954
|
45
|
Chris@1770
|
46 // Hi-dpi either via pixel doubling or simply via lots of
|
Chris@1770
|
47 // pixels
|
Chris@954
|
48
|
Chris@1770
|
49 double factor = widthMultiple / 2.5;
|
Chris@1770
|
50 if (factor < 1.0) factor = 1.0;
|
Chris@1770
|
51 sw = int(floor(w * factor));
|
Chris@1770
|
52 sh = int(floor(h * factor));
|
Chris@954
|
53
|
Chris@1770
|
54 delete p1;
|
Chris@1770
|
55 m_pixmap = new QPixmap(int(floor(sw * dpratio)),
|
Chris@1770
|
56 int(floor(sh * dpratio)));
|
Chris@954
|
57
|
Chris@1770
|
58 // cerr << "pixmap size = " << m_pixmap->width() << " * "
|
Chris@1770
|
59 // << m_pixmap->height() << endl;
|
Chris@1770
|
60
|
Chris@1770
|
61 m_pixmap->fill(Qt::red);
|
Chris@1770
|
62 QSvgRenderer renderer(QString(":icons/scalable/sv-splash.svg"));
|
Chris@1770
|
63 QPainter painter(m_pixmap);
|
Chris@1770
|
64 renderer.render(&painter);
|
Chris@1770
|
65 painter.end();
|
Chris@954
|
66
|
Chris@954
|
67 } else {
|
Chris@1770
|
68 // The "low dpi" case
|
Chris@1770
|
69 m_pixmap = p1;
|
Chris@954
|
70 }
|
Chris@954
|
71
|
Chris@954
|
72 setFixedWidth(sw);
|
Chris@954
|
73 setFixedHeight(sh);
|
Chris@954
|
74 setGeometry(desk.x() + desk.width()/2 - sw/2,
|
Chris@1770
|
75 desk.y() + desk.height()/2 - sh/2,
|
Chris@1770
|
76 sw, sh);
|
Chris@954
|
77 }
|
Chris@954
|
78
|
Chris@954
|
79 SVSplash::~SVSplash()
|
Chris@954
|
80 {
|
Chris@954
|
81 delete m_pixmap;
|
Chris@954
|
82 }
|
Chris@954
|
83
|
Chris@954
|
84 void
|
Chris@954
|
85 SVSplash::finishSplash(QWidget *w)
|
Chris@954
|
86 {
|
Chris@954
|
87 finish(w);
|
Chris@954
|
88 }
|
Chris@954
|
89
|
Chris@954
|
90 void
|
Chris@954
|
91 SVSplash::drawContents(QPainter *painter)
|
Chris@954
|
92 {
|
Chris@2300
|
93 // Qt 5.13 deprecates QFontMetrics::width(), but its suggested
|
Chris@2300
|
94 // replacement (horizontalAdvance) was only added in Qt 5.11
|
Chris@2300
|
95 // which is too new for us
|
Chris@2300
|
96 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
Chris@2300
|
97
|
Chris@954
|
98 painter->drawPixmap(rect(), *m_pixmap, m_pixmap->rect());
|
Chris@954
|
99 QString text = QString("v%1").arg(SV_VERSION);
|
cannam@2085
|
100 painter->setPen(Qt::black);
|
Chris@954
|
101 painter->drawText
|
Chris@1770
|
102 (width() - painter->fontMetrics().width(text) - (width()/50),
|
Chris@1770
|
103 (width()/70) + painter->fontMetrics().ascent(),
|
Chris@1770
|
104 text);
|
Chris@954
|
105 }
|
Chris@954
|
106
|
Chris@954
|
107
|