1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtOpenGL module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QTime>

    43 #include <QDebug>

    44 

    45 #include <private/qt_x11_p.h>

    46 #include <private/qimagepixmapcleanuphooks_p.h>

    47 

    48 #include "qwindowsurface_x11gl_p.h"

    49 #include "qpixmapdata_x11gl_p.h"

    50 

    51 QT_BEGIN_NAMESPACE

    52 

    53 QX11GLWindowSurface::QX11GLWindowSurface(QWidget* window)

    54     : QWindowSurface(window), m_GC(0), m_window(window)

    55 {

    56 }

    57 

    58 QX11GLWindowSurface::~QX11GLWindowSurface()

    59 {

    60     if (m_GC)

    61         XFree(m_GC);

    62 }

    63 

    64 QPaintDevice *QX11GLWindowSurface::paintDevice()

    65 {

    66     return &m_backBuffer;

    67 }

    68 

    69 extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp

    70 

    71 void QX11GLWindowSurface::flush(QWidget *widget, const QRegion &widgetRegion, const QPoint &offset)

    72 {

    73 //    qDebug("QX11GLWindowSurface::flush()");

    74     QTime startTime = QTime::currentTime();

    75     if (m_backBuffer.isNull()) {

    76         qDebug("QHarmattanWindowSurface::flush() - backBuffer is null, not flushing anything");

    77         return;

    78     }

    79 

    80     QPoint widgetOffset = qt_qwidget_data(widget)->wrect.topLeft();

    81     QRegion windowRegion(widgetRegion);

    82     QRect boundingRect = widgetRegion.boundingRect();

    83     if (!widgetOffset.isNull())

    84         windowRegion.translate(-widgetOffset);

    85     QRect windowBoundingRect = windowRegion.boundingRect();

    86 

    87     int rectCount;

    88     XRectangle *rects = (XRectangle *)qt_getClipRects(windowRegion, rectCount);

    89     if (rectCount <= 0)

    90         return;

    91 //         qDebug() << "XSetClipRectangles";

    92 //         for  (int i = 0; i < num; ++i)

    93 //             qDebug() << ' ' << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;

    94 

    95     if (m_GC == 0) {

    96         m_GC = XCreateGC(X11->display, m_window->handle(), 0, 0);

    97         XSetGraphicsExposures(X11->display, m_GC, False);

    98     }

    99 

   100     XSetClipRectangles(X11->display, m_GC, 0, 0, rects, rectCount, YXBanded);

   101     XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_GC,

   102               boundingRect.x() + offset.x(), boundingRect.y() + offset.y(),

   103               boundingRect.width(), boundingRect.height(),

   104               windowBoundingRect.x(), windowBoundingRect.y());

   105 }

   106 

   107 void QX11GLWindowSurface::setGeometry(const QRect &rect)

   108 {

   109     if (rect.width() > m_backBuffer.size().width() || rect.height() > m_backBuffer.size().height()) {

   110         QSize newSize = rect.size();

   111 //        QSize newSize(1024,512);

   112         qDebug() << "QX11GLWindowSurface::setGeometry() - creating a pixmap of size" << newSize;

   113         QX11GLPixmapData *pd = new QX11GLPixmapData;

   114         pd->resize(newSize.width(), newSize.height());

   115         m_backBuffer = QPixmap(pd);

   116     }

   117 

   118 //    if (gc)

   119 //        XFreeGC(X11->display, gc);

   120 //    gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);

   121 //    XSetGraphicsExposures(X11->display, gc, False);

   122     QWindowSurface::setGeometry(rect);

   123 }

   124 

   125 bool QX11GLWindowSurface::scroll(const QRegion &area, int dx, int dy)

   126 {

   127     return false;

   128 }

   129 

   130 /*

   131 void QX11GLWindowSurface::beginPaint(const QRegion &region)

   132 {

   133 }

   134 

   135 void QX11GLWindowSurface::endPaint(const QRegion &region)

   136 {

   137 }

   138 

   139 QImage *QX11GLWindowSurface::buffer(const QWidget *widget)

   140 {

   141 }

   142 */

   143 

   144 QT_END_NAMESPACE