summaryrefslogtreecommitdiffstats
path: root/src/openvg/qwindowsurface_vg.cpp
blob: eedfea51fd73705ec021aa0aa4d9a5bfb6eb5fed (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
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
129
130
131
132
133
134
135
136
137
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenVG module 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qwindowsurface_vg_p.h"
#include "qwindowsurface_vgegl_p.h"
#include "qpaintengine_vg_p.h"
#include "qpixmapdata_vg_p.h"
#include "qvg_p.h"

#if !defined(QT_NO_EGL)

#include <QtGui/private/qeglcontext_p.h>
#include <QtGui/private/qwidget_p.h>

QT_BEGIN_NAMESPACE

QVGWindowSurface::QVGWindowSurface(QWidget *window)
    : QWindowSurface(window)
{
    // Create the default type of EGL window surface for windows.
    d_ptr = new QVGEGLWindowSurfaceDirect(this);
}

QVGWindowSurface::QVGWindowSurface
        (QWidget *window, QVGEGLWindowSurfacePrivate *d)
    : QWindowSurface(window), d_ptr(d)
{
}

QVGWindowSurface::~QVGWindowSurface()
{
    delete d_ptr;
}

QPaintDevice *QVGWindowSurface::paintDevice()
{
    return this;
}

void QVGWindowSurface::flush(QWidget *widget, const QRegion &region, const QPoint &offset)
{
    Q_UNUSED(offset);
    QWidget *parent = widget->internalWinId() ? widget : widget->nativeParentWidget();
    d_ptr->endPaint(parent, region);
}

void QVGWindowSurface::setGeometry(const QRect &rect)
{
    QWindowSurface::setGeometry(rect);
}

bool QVGWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
    if (!d_ptr->scroll(window(), area, dx, dy))
        return QWindowSurface::scroll(area, dx, dy);
    return true;
}

void QVGWindowSurface::beginPaint(const QRegion &region)
{
    d_ptr->beginPaint(window());

    // If the window is not opaque, then fill the region we are about
    // to paint with the transparent color.
    if (!qt_widget_private(window())->isOpaque &&
            window()->testAttribute(Qt::WA_TranslucentBackground)) {
        QVGPaintEngine *engine = static_cast<QVGPaintEngine *>
            (d_ptr->paintEngine());
        engine->fillRegion(region, Qt::transparent, d_ptr->surfaceSize());
    }
}

void QVGWindowSurface::endPaint(const QRegion &region)
{
    // Nothing to do here.
    Q_UNUSED(region);
}

QPaintEngine *QVGWindowSurface::paintEngine() const
{
    return d_ptr->paintEngine();
}

QWindowSurface::WindowSurfaceFeatures QVGWindowSurface::features() const
{
    WindowSurfaceFeatures features = PartialUpdates | PreservedContents;
    if (d_ptr->supportsStaticContents())
        features |= StaticContents;
    return features;
}

int QVGWindowSurface::metric(PaintDeviceMetric met) const
{
    return qt_paint_device_metric(window(), met);
}

QT_END_NAMESPACE

#endif