summaryrefslogtreecommitdiffstats
path: root/src/plugins/platforms/directfb/qdirectfbbackingstore.cpp
blob: a45a577ef917f0a7611bfe1e850f5557a3d78c0e (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
/****************************************************************************
**
** 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 plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qdirectfbbackingstore.h"
#include "qdirectfbintegration.h"
#include "qdirectfbblitter.h"
#include "qdirectfbconvenience.h"
#include <private/qpixmap_blitter_p.h>

#include <QtCore/qdebug.h>

QT_BEGIN_NAMESPACE

QDirectFbBackingStore::QDirectFbBackingStore(QWindow *window)
    : QPlatformBackingStore(window), m_pixmap(0), m_pmdata(0)
{

    QDirectFBPointer<IDirectFBDisplayLayer> layer(QDirectFbConvenience::dfbDisplayLayer());

    DFBWindowID id(window->winId());
    QDirectFBPointer<IDirectFBWindow> dfbWindow;

    layer->GetWindow(layer.data(), id, dfbWindow.outPtr());

    dfbWindow->GetSurface(dfbWindow.data(), m_dfbSurface.outPtr());
//WRONGSIZE
    QDirectFbBlitter *blitter = new QDirectFbBlitter(window->size(), m_dfbSurface.data());
    m_pmdata = new QDirectFbBlitterPlatformPixmap;
    m_pmdata->setBlittable(blitter);
    m_pixmap.reset(new QPixmap(m_pmdata));
}

QPaintDevice *QDirectFbBackingStore::paintDevice()
{
    return m_pixmap.data();
}

void QDirectFbBackingStore::flush(QWindow *, const QRegion &region, const QPoint &offset)
{
    m_pmdata->blittable()->unlock();

    QVector<QRect> rects = region.rects();
    for (int i = 0 ; i < rects.size(); i++) {
        const QRect rect = rects.at(i);
        DFBRegion dfbReg = { rect.x() + offset.x(),rect.y() + offset.y(),rect.right() + offset.x(),rect.bottom() + offset.y()};
        m_dfbSurface->Flip(m_dfbSurface.data(), &dfbReg, DFBSurfaceFlipFlags(DSFLIP_BLIT|DSFLIP_ONSYNC));
    }
}

void QDirectFbBackingStore::resize(const QSize &size, const QRegion& reg)
{
    QDirectFbBlitter *blitter = new QDirectFbBlitter(size, m_dfbSurface.data());
    m_pmdata->setBlittable(blitter);
}

static inline void scrollSurface(IDirectFBSurface *surface, const QRect &r, int dx, int dy)
{
    const DFBRectangle rect = { r.x(), r.y(), r.width(), r.height() };
    surface->Blit(surface, surface, &rect, r.x() + dx, r.y() + dy);
    const DFBRegion region = { rect.x + dx, rect.y + dy, r.right() + dx, r.bottom() + dy };
    surface->Flip(surface, &region, DFBSurfaceFlipFlags(DSFLIP_BLIT));
}

bool QDirectFbBackingStore::scroll(const QRegion &area, int dx, int dy)
{
    m_pmdata->blittable()->unlock();

    if (!m_dfbSurface || area.isEmpty())
        return false;
    m_dfbSurface->SetBlittingFlags(m_dfbSurface.data(), DSBLIT_NOFX);
    if (area.rectCount() == 1) {
        scrollSurface(m_dfbSurface.data(), area.boundingRect(), dx, dy);
    } else {
        const QVector<QRect> rects = area.rects();
        const int n = rects.size();
        for (int i=0; i<n; ++i) {
            scrollSurface(m_dfbSurface.data(), rects.at(i), dx, dy);
        }
    }
    return true;
}

void QDirectFbBackingStore::beginPaint(const QRegion &region)
{
    Q_UNUSED(region);
}

void QDirectFbBackingStore::endPaint(const QRegion &region)
{
    Q_UNUSED(region);
}

QT_END_NAMESPACE