summaryrefslogtreecommitdiffstats
path: root/examples/qws/svgalib/svgalibsurface.cpp
blob: 9ad65d67b435a94ab5f3be0c4661e30e2a7ba3c4 (plain)
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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "svgalibsurface.h"
#include "svgalibpaintdevice.h"

#include <vgagl.h>

SvgalibSurface::SvgalibSurface() : QWSWindowSurface(), pdevice(0)
{
    setSurfaceFlags(Opaque);
}

SvgalibSurface::SvgalibSurface(QWidget *w)
    : QWSWindowSurface(w)
{
    setSurfaceFlags(Opaque);
    pdevice = new SvgalibPaintDevice(w);
}

SvgalibSurface::~SvgalibSurface()
{
    delete pdevice;
}

void SvgalibSurface::setGeometry(const QRect &rect)
{
    QWSWindowSurface::setGeometry(rect);
}

QPoint SvgalibSurface::painterOffset() const
{
    return geometry().topLeft() + QWSWindowSurface::painterOffset();
}

//! [0]
bool SvgalibSurface::scroll(const QRegion &region, int dx, int dy)
{
    const QVector<QRect> rects = region.rects();
    for (int i = 0; i < rects.size(); ++i) {
        const QRect r = rects.at(i);
        gl_copybox(r.left(), r.top(), r.width(), r.height(),
                   r.left() + dx, r.top() + dy);
    }

    return true;
}
//! [0]