1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
Actiona
Copyright (C) 2005 Jonathan Mercier-Ganady
Actiona 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 3 of the License, or
(at your option) any later version.
Actiona 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 <http://www.gnu.org/licenses/>.
Contact : jmgr@jmgr.info
*/
#include "screenshooter.h"
#include "windowhandle.h"
#include <QDesktopWidget>
#include <QApplication>
#include <QImage>
#include <QPainter>
#include <QScreen>
#include <limits>
namespace ActionTools
{
QPixmap ScreenShooter::captureScreen(int screenIndex)
{
QDesktopWidget *desktop = QApplication::desktop();
if(screenIndex < 0 || screenIndex >= desktop->screenCount())
return QPixmap();
const QRect &screenGeometry = desktop->screenGeometry(screenIndex);
return QGuiApplication::primaryScreen()->grabWindow(0, screenGeometry.x(), screenGeometry.y(), screenGeometry.width(), screenGeometry.height());
}
QList<std::pair<QPixmap, QRect>> ScreenShooter::captureScreens()
{
QDesktopWidget *desktop = QApplication::desktop();
QList<std::pair<QPixmap, QRect>> result;
for(int screenIndex = 0; screenIndex < desktop->screenCount(); ++screenIndex)
{
const QRect &screenGeometry = desktop->screenGeometry(screenIndex);
result.append(std::make_pair(QGuiApplication::primaryScreen()->grabWindow(0, screenGeometry.x(), screenGeometry.y(), screenGeometry.width(), screenGeometry.height()), screenGeometry));
}
return result;
}
QList<std::pair<QPixmap, QRect>> ScreenShooter::captureWindows(const QList<WindowHandle> &windows)
{
QDesktopWidget *desktop = QApplication::desktop();
QList<std::pair<QPixmap, QRect>> result;
for(const WindowHandle &window: windows)
{
if(!window.isValid())
continue;
const QRect &windowGeometry = window.rect();
result.append(std::make_pair(QGuiApplication::primaryScreen()->grabWindow(desktop->winId(), windowGeometry.x(), windowGeometry.y(), windowGeometry.width(), windowGeometry.height()), windowGeometry));
}
return result;
}
QPixmap ScreenShooter::captureWindow(WindowHandle window)
{
if(!window.isValid())
return QPixmap();
const QRect &windowGeometry = window.rect();
return QGuiApplication::primaryScreen()->grabWindow(0, windowGeometry.x(), windowGeometry.y(), windowGeometry.width(), windowGeometry.height());
}
QPixmap ScreenShooter::captureAllScreens()
{
const auto &screens = captureScreens();
QRect resultRect;
QPoint minimalTopLeft(std::numeric_limits<int>::max(), std::numeric_limits<int>::max());
for(const auto &screen: screens)
{
const QRect &screenRect = screen.second;
resultRect = resultRect.united(screenRect);
if(minimalTopLeft.x() > screenRect.x())
minimalTopLeft.setX(screenRect.x());
if(minimalTopLeft.y() > screenRect.y())
minimalTopLeft.setY(screenRect.y());
}
QImage result(resultRect.width(), resultRect.height(), QImage::Format_RGB32);
result.fill(Qt::black);
{
QPainter painter(&result);
for(const auto &screen: screens)
{
const QRect &screenRect = screen.second;
painter.drawPixmap(screenRect.x() - minimalTopLeft.x(), screenRect.y() - minimalTopLeft.y(), screen.first);
}
}
return QPixmap::fromImage(result);
}
QPixmap ScreenShooter::captureRect(const QRect &rect)
{
return QGuiApplication::primaryScreen()->grabWindow(0, rect.x(), rect.y(), rect.width(), rect.height());
}
}
|
