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
|
/*
* Copyright © 2008 Fredrik Höglund <fredrik@kde.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "curtaineffect.h"
#include "curtaineffect.moc"
#include <QApplication>
#include <QDesktopWidget>
#include <QWidget>
#include <QImage>
#include <QPixmap>
#include <QPainter>
#include <QTimer>
#include "config-workspace.h"
#include <qimageblitz.h>
CurtainEffect::CurtainEffect(QWidget *parent, QPixmap *pixmap)
: LogoutEffect(parent, pixmap)
{
}
void CurtainEffect::start()
{
currentY = 0;
nextFrame();
emit initialized();
}
void CurtainEffect::nextFrame()
{
QImage image = QPixmap::grabWindow(QApplication::desktop()->winId(), 0, currentY,
parent->width(), 10 ).toImage();
Blitz::intensity(image, -0.4);
Blitz::grayscale(image);
QPainter painter(pixmap);
painter.drawImage(0, currentY, image);
painter.end();
currentY += 10;
parent->update(0, 0, parent->width(), currentY);
QTimer::singleShot(5, this, SLOT(nextFrame()));
}
|
