Long live Qt for S60!

7 files changed, 685 insertions, 0 deletions

diff --git a/examples/opengl/framebufferobject/bubbles.svg b/examples/opengl/framebufferobject/bubbles.svg
new file mode 100644
index 0000000..3d7971d
--- /dev/null
+++ b/examples/opengl/framebufferobject/bubbles.svg
@@ -0,0 +1,202 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg width="20cm" height="15cm" viewBox="0 0 800 600"
+    xmlns="http://www.w3.org/2000/svg"
+    xmlns:xlink="http://www.w3.org/1999/xlink/"
+    baseProfile="tiny" version="1.2">
+  <title>Spheres</title>
+  <desc>Semi-transparent bubbles on a colored background.</desc>
+    <defs>
+      <!-- Create radial gradients for each bubble. -->
+      <radialGradient id="blueBubble" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" stop-opacity="1" />
+        <stop offset="25%" stop-color="#cdcdff" stop-opacity=".65" />
+        <stop offset="100%" stop-color="#cdaacd" stop-opacity=".75" />
+      </radialGradient>
+      <radialGradient id="redBubble" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" stop-opacity="1" />
+        <stop offset="25%" stop-color="#ffcdcd" stop-opacity=".65" />
+        <stop offset="100%" stop-color="#bbbb99" stop-opacity=".75" />
+      </radialGradient>
+      <radialGradient id="greenBubble" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" stop-opacity="1" />
+        <stop offset="25%" stop-color="#cdffcd" stop-opacity=".65" />
+        <stop offset="100%" stop-color="#99aaaa" stop-opacity=".75" />
+      </radialGradient>
+      <radialGradient id="yellowBubble" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" stop-opacity="1" />
+        <stop offset="25%" stop-color="#ffffcd" stop-opacity=".65" />
+        <stop offset="100%" stop-color="#bbbbaa" stop-opacity=".75" />
+      </radialGradient>
+      <radialGradient id="background" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="400" fx="250" fy="250">
+        <stop offset="0%" stop-color="#ffffee" />
+        <stop offset="100%" stop-color="#ccccaa" />
+      </radialGradient>
+      <linearGradient id="surface" gradientUnits="userSpaceOnUse"
+                      x1="-100" y1="200" x2="400" y2="200">
+        <stop offset="0%" stop-color="#ffffcc" />
+        <stop offset="100%" stop-color="#bbbb88" />
+      </linearGradient>
+
+      <!-- Create radial gradients for each circle to make them look like
+           spheres. -->
+      <radialGradient id="blueSphere" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" />
+        <stop offset="75%" stop-color="blue" />
+        <stop offset="100%" stop-color="#222244" />
+      </radialGradient>
+      <radialGradient id="redSphere" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" />
+        <stop offset="75%" stop-color="red" />
+        <stop offset="100%" stop-color="#442222" />
+      </radialGradient>
+      <radialGradient id="greenSphere" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" />
+        <stop offset="75%" stop-color="green" />
+        <stop offset="100%" stop-color="#113311" />
+      </radialGradient>
+      <radialGradient id="yellowSphere" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="-50">
+        <stop offset="0%" stop-color="white" />
+        <stop offset="75%" stop-color="yellow" />
+        <stop offset="100%" stop-color="#444422" />
+      </radialGradient>
+      <radialGradient id="shadowGrad" gradientUnits="userSpaceOnUse"
+                      cx="0" cy="0" r="100" fx="-50" fy="50">
+        <stop offset="0%" stop-color="black" stop-opacity="1.0" />
+        <stop offset="100%" stop-color="white" stop-opacity="0.0" />
+      </radialGradient>
+
+      <!-- Define a shadow for each sphere. -->
+      <circle id="shadow" fill="url(#shadowGrad)" cx="0" cy="0" r="100" />
+      <g id="bubble">
+        <circle cx="0" cy="0" r="100" />
+      </g>
+    </defs>
+  <g>
+    <rect fill="url(#background)" x="0" y="0" width="800" height="600" />
+  </g>
+
+  <g transform="translate(200,700)">
+    <use xlink:href="#bubble" fill="url(#blueBubble)" />
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="1s" dur="10s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(315,700)">
+    <g transform="scale(0.5,0.5)">
+      <use xlink:href="#bubble" fill="url(#redBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="3s" dur="7s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(80,700)">
+    <g transform="scale(0.65,0.65)">
+      <use xlink:href="#bubble" fill="url(#greenBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="5s" dur="9s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(255,700)">
+    <g transform="scale(0.3,0.3)">
+      <use xlink:href="#bubble" fill="url(#yellowBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="2s" dur="6s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(565,700)">
+    <g transform="scale(0.4,0.4)">
+      <use xlink:href="#bubble" fill="url(#blueBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="4s" dur="8s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(715,700)">
+    <g transform="scale(0.6,0.6)">
+      <use xlink:href="#bubble" fill="url(#redBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="1s" dur="4s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(645,700)">
+    <g transform="scale(0.375,0.375)">
+      <use xlink:href="#bubble" fill="url(#greenBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="0s" dur="11s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(555,700)">
+    <g transform="scale(0.9,0.9)">
+      <use xlink:href="#bubble" fill="url(#yellowBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="3s" dur="7.5s" fill="freeze" repeatCount="indefinite" />
+  </g>
+
+  <g transform="translate(360,700)">
+    <g transform="scale(0.5,0.5)">
+      <use xlink:href="#bubble" fill="url(#blueBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="3s" dur="6s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(215,700)">
+    <g transform="scale(0.45,0.45)">
+      <use xlink:href="#bubble" fill="url(#redBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="5.5s" dur="7s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(420,700)">
+    <g transform="scale(0.75,0.75)">
+      <use xlink:href="#bubble" fill="url(#greenBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="1s" dur="9s" fill="freeze" repeatCount="indefinite" />
+  </g>
+  <g transform="translate(815,700)">
+    <g transform="scale(0.6,0.6)">
+      <use xlink:href="#bubble" fill="url(#yellowBubble)" />
+    </g>
+    <animateTransform attributeName="transform" type="translate"
+        values="0,0; 0,-800" begin="2s" dur="9.5s" fill="freeze" repeatCount="indefinite" />
+  </g>
+
+  <g transform="translate(225,375)" >
+    <g transform="scale(1.0,0.5)" >
+      <path d="M 0 0 L 350 0 L 450 450 L -100 450 z"
+            fill="url(#surface)" stroke="none" />
+    </g>
+  </g>
+    <g transform="translate(200,0)" >
+    <g transform="translate(200,375)">
+      <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
+      <circle fill="url(#blueSphere)" cx="0" cy="0" r="100" />
+    </g>
+    <g transform="translate(315,440)">
+      <g transform="scale(0.5,0.5)">
+        <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
+        <circle fill="url(#redSphere)" cx="0" cy="0" r="100" />
+      </g>
+    </g>
+    <g transform="translate(80,475)">
+      <g transform="scale(0.65,0.65)">
+        <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
+        <circle fill="url(#greenSphere)" cx="0" cy="0" r="100" />
+      </g>
+    </g>
+    <g transform="translate(255,525)">
+      <g transform="scale(0.3,0.3)">
+        <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
+        <circle fill="url(#yellowSphere)" cx="0" cy="0" r="100" />
+      </g>
+    </g>
+  </g>
+</svg>
diff --git a/examples/opengl/framebufferobject/designer.png b/examples/opengl/framebufferobject/designer.png
new file mode 100644
index 0000000..4f32d57
--- /dev/null
+++ b/examples/opengl/framebufferobject/designer.png
diff --git a/examples/opengl/framebufferobject/framebufferobject.pro b/examples/opengl/framebufferobject/framebufferobject.pro
new file mode 100644
index 0000000..a5927ec
--- /dev/null
+++ b/examples/opengl/framebufferobject/framebufferobject.pro
@@ -0,0 +1,24 @@
+######################################################################
+# Automatically generated by qmake (2.01a) Fri May 12 17:15:46 2006
+######################################################################
+
+TEMPLATE = app
+TARGET =
+DEPENDPATH += .
+INCLUDEPATH += .
+
+QT += opengl svg
+
+# Input
+HEADERS += glwidget.h
+SOURCES += glwidget.cpp main.cpp
+RESOURCES += framebufferobject.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/framebufferobject
+sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro *.png *.svg
+sources.path = $$[QT_INSTALL_EXAMPLES]/opengl/framebufferobject
+INSTALLS += target sources
+
+include($$QT_SOURCE_TREE/examples/examplebase.pri)
+
diff --git a/examples/opengl/framebufferobject/framebufferobject.qrc b/examples/opengl/framebufferobject/framebufferobject.qrc
new file mode 100644
index 0000000..986f1ca
--- /dev/null
+++ b/examples/opengl/framebufferobject/framebufferobject.qrc
@@ -0,0 +1,6 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/res">
+   <file>bubbles.svg</file>
+   <file>designer.png</file>
+</qresource>
+</RCC>
diff --git a/examples/opengl/framebufferobject/glwidget.cpp b/examples/opengl/framebufferobject/glwidget.cpp
new file mode 100644
index 0000000..d3591d6
--- /dev/null
+++ b/examples/opengl/framebufferobject/glwidget.cpp
@@ -0,0 +1,309 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/QImage>
+#include "glwidget.h"
+
+#include <math.h>
+
+#ifndef GL_MULTISAMPLE
+#define GL_MULTISAMPLE  0x809D
+#endif
+
+GLWidget::GLWidget(QWidget *parent)
+    : QGLWidget(QGLFormat(QGL::SampleBuffers|QGL::AlphaChannel), parent)
+{
+    setWindowTitle(tr("OpenGL framebuffer objects"));
+    makeCurrent();
+    fbo = new QGLFramebufferObject(1024, 1024);
+    rot_x = rot_y = rot_z = 0.0f;
+    scale = 0.1f;
+    anim = new QTimeLine(750, this);
+    anim->setUpdateInterval(20);
+    connect(anim, SIGNAL(valueChanged(qreal)), SLOT(animate(qreal)));
+    connect(anim, SIGNAL(finished()), SLOT(animFinished()));
+
+    svg_renderer = new QSvgRenderer(QLatin1String(":/res/bubbles.svg"), this);
+    connect(svg_renderer, SIGNAL(repaintNeeded()), this, SLOT(draw()));
+
+    logo = QImage(":/res/designer.png");
+    logo = logo.convertToFormat(QImage::Format_ARGB32);
+
+    tile_list = glGenLists(1);
+    glNewList(tile_list, GL_COMPILE);
+    glBegin(GL_QUADS);
+    {
+        glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
+        glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
+        glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
+        glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
+
+        glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
+        glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
+        glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
+        glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
+
+        glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
+        glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
+        glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
+        glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
+
+        glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
+        glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
+        glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
+        glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
+
+        glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
+        glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
+        glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
+        glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
+
+        glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
+        glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
+        glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
+        glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
+    }
+    glEnd();
+    glEndList();
+
+    wave = new GLfloat[logo.width()*logo.height()];
+    memset(wave, 0, logo.width()*logo.height());
+    startTimer(30); // wave timer
+}
+
+GLWidget::~GLWidget()
+{
+    delete[] wave;
+    glDeleteLists(tile_list, 1);
+    delete fbo;
+}
+
+void GLWidget::paintEvent(QPaintEvent *)
+{
+    draw();
+}
+
+void GLWidget::draw()
+{
+    QPainter p(this); // used for text overlay
+
+    // save the GL state set for QPainter
+    saveGLState();
+
+    // render the 'bubbles.svg' file into our framebuffer object
+    QPainter fbo_painter(fbo);
+    svg_renderer->render(&fbo_painter);
+    fbo_painter.end();
+
+    // draw into the GL widget
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-1, 1, -1, 1, 10, 100);
+    glTranslatef(0.0f, 0.0f, -15.0f);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glViewport(0, 0, width(), height());
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+    glBindTexture(GL_TEXTURE_2D, fbo->texture());
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glEnable(GL_TEXTURE_2D);
+    glEnable(GL_MULTISAMPLE);
+    glEnable(GL_CULL_FACE);
+
+    // draw background
+    glPushMatrix();
+    glScalef(1.7f, 1.7f, 1.7f);
+    glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
+    glCallList(tile_list);
+    glPopMatrix();
+
+    const int w = logo.width();
+    const int h = logo.height();
+
+    glRotatef(rot_x, 1.0f, 0.0f, 0.0f);
+    glRotatef(rot_y, 0.0f, 1.0f, 0.0f);
+    glRotatef(rot_z, 0.0f, 0.0f, 1.0f);
+    glScalef(scale/w, scale/w, scale/w);
+
+    glDepthFunc(GL_LESS);
+    glEnable(GL_DEPTH_TEST);
+    // draw the Qt icon
+    glTranslatef(-w+1, -h+1, 0.0f);
+    for (int y=h-1; y>=0; --y) {
+        uint *p = (uint*) logo.scanLine(y);
+        uint *end = p + w;
+        int  x = 0;
+        while (p < end) {
+            glColor4ub(qRed(*p), qGreen(*p), qBlue(*p), uchar(qAlpha(*p)*.9));
+            glTranslatef(0.0f, 0.0f, wave[y*w+x]);
+            if (qAlpha(*p) > 128)
+                glCallList(tile_list);
+            glTranslatef(0.0f, 0.0f, -wave[y*w+x]);
+            glTranslatef(2.0f, 0.0f, 0.0f);
+            ++x;
+            ++p;
+        }
+        glTranslatef(-w*2.0f, 2.0f, 0.0f);
+    }
+
+    // restore the GL state that QPainter expects
+    restoreGLState();
+
+    // draw the overlayed text using QPainter
+    p.setPen(QColor(197, 197, 197, 157));
+    p.setBrush(QColor(197, 197, 197, 127));
+    p.drawRect(QRect(0, 0, width(), 50));
+    p.setPen(Qt::black);
+    p.setBrush(Qt::NoBrush);
+    const QString str1(tr("A simple OpenGL framebuffer object example."));
+    const QString str2(tr("Use the mouse wheel to zoom, press buttons and move mouse to rotate, double-click to flip."));
+    QFontMetrics fm(p.font());
+    p.drawText(width()/2 - fm.width(str1)/2, 20, str1);
+    p.drawText(width()/2 - fm.width(str2)/2, 20 + fm.lineSpacing(), str2);
+}
+
+void GLWidget::mousePressEvent(QMouseEvent *e)
+{
+    anchor = e->pos();
+}
+
+void GLWidget::mouseMoveEvent(QMouseEvent *e)
+{
+    QPoint diff = e->pos() - anchor;
+    if (e->buttons() & Qt::LeftButton) {
+        rot_x += diff.y()/5.0f;
+        rot_y += diff.x()/5.0f;
+    } else if (e->buttons() & Qt::RightButton) {
+        rot_z += diff.x()/5.0f;
+    }
+
+    anchor = e->pos();
+    draw();
+}
+
+void GLWidget::wheelEvent(QWheelEvent *e)
+{
+    e->delta() > 0 ? scale += scale*0.1f : scale -= scale*0.1f;
+    draw();
+}
+
+void GLWidget::mouseDoubleClickEvent(QMouseEvent *)
+{
+    anim->start();
+}
+
+void GLWidget::animate(qreal val)
+{
+    rot_y = val * 180;
+    draw();
+}
+
+void GLWidget::animFinished()
+{
+    if (anim->direction() == QTimeLine::Forward)
+        anim->setDirection(QTimeLine::Backward);
+    else
+        anim->setDirection(QTimeLine::Forward);
+}
+
+void GLWidget::saveGLState()
+{
+    glPushAttrib(GL_ALL_ATTRIB_BITS);
+    glMatrixMode(GL_PROJECTION);
+    glPushMatrix();
+    glMatrixMode(GL_MODELVIEW);
+    glPushMatrix();
+}
+
+void GLWidget::restoreGLState()
+{
+    glMatrixMode(GL_PROJECTION);
+    glPopMatrix();
+    glMatrixMode(GL_MODELVIEW);
+    glPopMatrix();
+    glPopAttrib();
+}
+
+#define PI 3.14159
+
+void GLWidget::timerEvent(QTimerEvent *)
+{
+    if (QApplication::mouseButtons() != 0)
+        return;
+
+    static bool scale_in = true;
+
+    if (scale_in && scale > 35.0f)
+        scale_in = false;
+    else if (!scale_in && scale < .5f)
+        scale_in = true;
+
+    scale = scale_in ? scale + scale*0.01f : scale-scale*0.01f;
+    rot_z += 0.3f;
+    rot_x += 0.1f;
+
+    int dx, dy; // disturbance point
+    float s, v, W, t;
+    int i, j;
+    static float wt[128][128];
+    const int width = logo.width();
+    const int AMP = 5;
+
+    dx = dy = width >> 1;
+
+    W = .3f;
+    v = -4; // wave speed
+
+    for (i = 0; i < width; ++i) {
+	for ( j = 0; j < width; ++j) {
+	    s = sqrt((double) ((j - dx) * (j - dx) + (i - dy) * (i - dy)));
+	    wt[i][j] += 0.1f;
+	    t = s / v;
+            if (s != 0)
+                wave[i*width + j] = AMP * sin(2 * PI * W * (wt[i][j] + t)) / (0.2*(s + 2));
+            else
+                wave[i*width + j] = AMP * sin(2 * PI * W * (wt[i][j] + t));
+	}
+    }
+}
diff --git a/examples/opengl/framebufferobject/glwidget.h b/examples/opengl/framebufferobject/glwidget.h
new file mode 100644
index 0000000..b64cfa8
--- /dev/null
+++ b/examples/opengl/framebufferobject/glwidget.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtOpenGL>
+#include <QImage>
+#include <QTimeLine>
+#include <QSvgRenderer>
+
+class GLWidget : public QGLWidget
+{
+    Q_OBJECT
+
+public:
+    GLWidget(QWidget *parent);
+    ~GLWidget();
+
+    void saveGLState();
+    void restoreGLState();
+
+    void paintEvent(QPaintEvent *);
+    void mousePressEvent(QMouseEvent *);
+    void mouseDoubleClickEvent(QMouseEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void timerEvent(QTimerEvent *);
+    void wheelEvent(QWheelEvent *);
+
+public slots:
+    void animate(qreal);
+    void animFinished();
+    void draw();
+
+private:
+    QPoint anchor;
+    float scale;
+    float rot_x, rot_y, rot_z;
+    GLuint tile_list;
+    GLfloat *wave;
+
+    QImage logo;
+    QTimeLine *anim;
+    QSvgRenderer *svg_renderer;
+    QGLFramebufferObject *fbo;
+};
+
diff --git a/examples/opengl/framebufferobject/main.cpp b/examples/opengl/framebufferobject/main.cpp
new file mode 100644
index 0000000..f9af3f9
--- /dev/null
+++ b/examples/opengl/framebufferobject/main.cpp
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/QApplication>
+#include <QtGui/QMessageBox>
+#include "glwidget.h"
+
+int main(int argc, char **argv)
+{
+    Q_INIT_RESOURCE(framebufferobject);
+
+    QApplication a(argc, argv);
+    if (!QGLFormat::hasOpenGL() || !QGLFramebufferObject::hasOpenGLFramebufferObjects()) {
+	QMessageBox::information(0, "OpenGL framebuffer objects",
+				 "This system does not support OpenGL/framebuffer objects.");
+        return -1;
+    }
+
+    GLWidget widget(0);
+    widget.resize(640, 480);
+    widget.show();
+    return a.exec();
+}
+