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-rw-r--r--examples/opengl/hellogl/glwidget.cpp266
-rw-r--r--examples/opengl/hellogl/glwidget.h99
-rw-r--r--examples/opengl/hellogl/hellogl.pro12
-rw-r--r--examples/opengl/hellogl/main.cpp52
-rw-r--r--examples/opengl/hellogl/window.cpp90
-rw-r--r--examples/opengl/hellogl/window.h70
6 files changed, 589 insertions, 0 deletions
diff --git a/examples/opengl/hellogl/glwidget.cpp b/examples/opengl/hellogl/glwidget.cpp
new file mode 100644
index 0000000..d81e7e6
--- /dev/null
+++ b/examples/opengl/hellogl/glwidget.cpp
@@ -0,0 +1,266 @@
+/****************************************************************************
+**
+** 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>
+#include <QtOpenGL>
+
+#include <math.h>
+
+#include "glwidget.h"
+
+//! [0]
+GLWidget::GLWidget(QWidget *parent)
+ : QGLWidget(parent)
+{
+ object = 0;
+ xRot = 0;
+ yRot = 0;
+ zRot = 0;
+
+ trolltechGreen = QColor::fromCmykF(0.40, 0.0, 1.0, 0.0);
+ trolltechPurple = QColor::fromCmykF(0.39, 0.39, 0.0, 0.0);
+}
+//! [0]
+
+//! [1]
+GLWidget::~GLWidget()
+{
+ makeCurrent();
+ glDeleteLists(object, 1);
+}
+//! [1]
+
+//! [2]
+QSize GLWidget::minimumSizeHint() const
+{
+ return QSize(50, 50);
+}
+//! [2]
+
+//! [3]
+QSize GLWidget::sizeHint() const
+//! [3] //! [4]
+{
+ return QSize(400, 400);
+}
+//! [4]
+
+//! [5]
+void GLWidget::setXRotation(int angle)
+{
+ normalizeAngle(&angle);
+ if (angle != xRot) {
+ xRot = angle;
+ emit xRotationChanged(angle);
+ updateGL();
+ }
+}
+//! [5]
+
+void GLWidget::setYRotation(int angle)
+{
+ normalizeAngle(&angle);
+ if (angle != yRot) {
+ yRot = angle;
+ emit yRotationChanged(angle);
+ updateGL();
+ }
+}
+
+void GLWidget::setZRotation(int angle)
+{
+ normalizeAngle(&angle);
+ if (angle != zRot) {
+ zRot = angle;
+ emit zRotationChanged(angle);
+ updateGL();
+ }
+}
+
+//! [6]
+void GLWidget::initializeGL()
+{
+ qglClearColor(trolltechPurple.dark());
+ object = makeObject();
+ glShadeModel(GL_FLAT);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_CULL_FACE);
+}
+//! [6]
+
+//! [7]
+void GLWidget::paintGL()
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glLoadIdentity();
+ glTranslated(0.0, 0.0, -10.0);
+ glRotated(xRot / 16.0, 1.0, 0.0, 0.0);
+ glRotated(yRot / 16.0, 0.0, 1.0, 0.0);
+ glRotated(zRot / 16.0, 0.0, 0.0, 1.0);
+ glCallList(object);
+}
+//! [7]
+
+//! [8]
+void GLWidget::resizeGL(int width, int height)
+{
+ int side = qMin(width, height);
+ glViewport((width - side) / 2, (height - side) / 2, side, side);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+//! [8]
+
+//! [9]
+void GLWidget::mousePressEvent(QMouseEvent *event)
+{
+ lastPos = event->pos();
+}
+//! [9]
+
+//! [10]
+void GLWidget::mouseMoveEvent(QMouseEvent *event)
+{
+ int dx = event->x() - lastPos.x();
+ int dy = event->y() - lastPos.y();
+
+ if (event->buttons() & Qt::LeftButton) {
+ setXRotation(xRot + 8 * dy);
+ setYRotation(yRot + 8 * dx);
+ } else if (event->buttons() & Qt::RightButton) {
+ setXRotation(xRot + 8 * dy);
+ setZRotation(zRot + 8 * dx);
+ }
+ lastPos = event->pos();
+}
+//! [10]
+
+GLuint GLWidget::makeObject()
+{
+ GLuint list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+
+ glBegin(GL_QUADS);
+
+ GLdouble x1 = +0.06;
+ GLdouble y1 = -0.14;
+ GLdouble x2 = +0.14;
+ GLdouble y2 = -0.06;
+ GLdouble x3 = +0.08;
+ GLdouble y3 = +0.00;
+ GLdouble x4 = +0.30;
+ GLdouble y4 = +0.22;
+
+ quad(x1, y1, x2, y2, y2, x2, y1, x1);
+ quad(x3, y3, x4, y4, y4, x4, y3, x3);
+
+ extrude(x1, y1, x2, y2);
+ extrude(x2, y2, y2, x2);
+ extrude(y2, x2, y1, x1);
+ extrude(y1, x1, x1, y1);
+ extrude(x3, y3, x4, y4);
+ extrude(x4, y4, y4, x4);
+ extrude(y4, x4, y3, x3);
+
+ const double Pi = 3.14159265358979323846;
+ const int NumSectors = 200;
+
+ for (int i = 0; i < NumSectors; ++i) {
+ double angle1 = (i * 2 * Pi) / NumSectors;
+ GLdouble x5 = 0.30 * sin(angle1);
+ GLdouble y5 = 0.30 * cos(angle1);
+ GLdouble x6 = 0.20 * sin(angle1);
+ GLdouble y6 = 0.20 * cos(angle1);
+
+ double angle2 = ((i + 1) * 2 * Pi) / NumSectors;
+ GLdouble x7 = 0.20 * sin(angle2);
+ GLdouble y7 = 0.20 * cos(angle2);
+ GLdouble x8 = 0.30 * sin(angle2);
+ GLdouble y8 = 0.30 * cos(angle2);
+
+ quad(x5, y5, x6, y6, x7, y7, x8, y8);
+
+ extrude(x6, y6, x7, y7);
+ extrude(x8, y8, x5, y5);
+ }
+
+ glEnd();
+
+ glEndList();
+ return list;
+}
+
+void GLWidget::quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
+ GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4)
+{
+ qglColor(trolltechGreen);
+
+ glVertex3d(x1, y1, -0.05);
+ glVertex3d(x2, y2, -0.05);
+ glVertex3d(x3, y3, -0.05);
+ glVertex3d(x4, y4, -0.05);
+
+ glVertex3d(x4, y4, +0.05);
+ glVertex3d(x3, y3, +0.05);
+ glVertex3d(x2, y2, +0.05);
+ glVertex3d(x1, y1, +0.05);
+}
+
+void GLWidget::extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2)
+{
+ qglColor(trolltechGreen.dark(250 + int(100 * x1)));
+
+ glVertex3d(x1, y1, +0.05);
+ glVertex3d(x2, y2, +0.05);
+ glVertex3d(x2, y2, -0.05);
+ glVertex3d(x1, y1, -0.05);
+}
+
+void GLWidget::normalizeAngle(int *angle)
+{
+ while (*angle < 0)
+ *angle += 360 * 16;
+ while (*angle > 360 * 16)
+ *angle -= 360 * 16;
+}
diff --git a/examples/opengl/hellogl/glwidget.h b/examples/opengl/hellogl/glwidget.h
new file mode 100644
index 0000000..a5f73ee
--- /dev/null
+++ b/examples/opengl/hellogl/glwidget.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GLWIDGET_H
+#define GLWIDGET_H
+
+#include <QGLWidget>
+
+//! [0]
+class GLWidget : public QGLWidget
+{
+ Q_OBJECT
+
+public:
+ GLWidget(QWidget *parent = 0);
+ ~GLWidget();
+
+ QSize minimumSizeHint() const;
+ QSize sizeHint() const;
+//! [0]
+
+//! [1]
+public slots:
+ void setXRotation(int angle);
+ void setYRotation(int angle);
+ void setZRotation(int angle);
+
+signals:
+ void xRotationChanged(int angle);
+ void yRotationChanged(int angle);
+ void zRotationChanged(int angle);
+//! [1]
+
+//! [2]
+protected:
+ void initializeGL();
+ void paintGL();
+ void resizeGL(int width, int height);
+ void mousePressEvent(QMouseEvent *event);
+ void mouseMoveEvent(QMouseEvent *event);
+//! [2]
+
+//! [3]
+private:
+ GLuint makeObject();
+ void quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
+ GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4);
+ void extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);
+ void normalizeAngle(int *angle);
+
+ GLuint object;
+ int xRot;
+ int yRot;
+ int zRot;
+ QPoint lastPos;
+ QColor trolltechGreen;
+ QColor trolltechPurple;
+};
+//! [3]
+
+#endif
diff --git a/examples/opengl/hellogl/hellogl.pro b/examples/opengl/hellogl/hellogl.pro
new file mode 100644
index 0000000..ce9c8e8
--- /dev/null
+++ b/examples/opengl/hellogl/hellogl.pro
@@ -0,0 +1,12 @@
+HEADERS = glwidget.h \
+ window.h
+SOURCES = glwidget.cpp \
+ main.cpp \
+ window.cpp
+QT += opengl
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellogl
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS hellogl.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellogl
+INSTALLS += target sources
diff --git a/examples/opengl/hellogl/main.cpp b/examples/opengl/hellogl/main.cpp
new file mode 100644
index 0000000..fa8b0ab
--- /dev/null
+++ b/examples/opengl/hellogl/main.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** 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 <QApplication>
+
+#include "window.h"
+
+int main(int argc, char *argv[])
+{
+ QApplication app(argc, argv);
+ Window window;
+ window.show();
+ return app.exec();
+}
diff --git a/examples/opengl/hellogl/window.cpp b/examples/opengl/hellogl/window.cpp
new file mode 100644
index 0000000..82031ee
--- /dev/null
+++ b/examples/opengl/hellogl/window.cpp
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** 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>
+
+#include "glwidget.h"
+#include "window.h"
+
+//! [0]
+Window::Window()
+{
+ glWidget = new GLWidget;
+
+ xSlider = createSlider();
+ ySlider = createSlider();
+ zSlider = createSlider();
+
+ connect(xSlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setXRotation(int)));
+ connect(glWidget, SIGNAL(xRotationChanged(int)), xSlider, SLOT(setValue(int)));
+ connect(ySlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setYRotation(int)));
+ connect(glWidget, SIGNAL(yRotationChanged(int)), ySlider, SLOT(setValue(int)));
+ connect(zSlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setZRotation(int)));
+ connect(glWidget, SIGNAL(zRotationChanged(int)), zSlider, SLOT(setValue(int)));
+//! [0]
+
+//! [1]
+ QHBoxLayout *mainLayout = new QHBoxLayout;
+ mainLayout->addWidget(glWidget);
+ mainLayout->addWidget(xSlider);
+ mainLayout->addWidget(ySlider);
+ mainLayout->addWidget(zSlider);
+ setLayout(mainLayout);
+
+ xSlider->setValue(15 * 16);
+ ySlider->setValue(345 * 16);
+ zSlider->setValue(0 * 16);
+ setWindowTitle(tr("Hello GL"));
+}
+//! [1]
+
+//! [2]
+QSlider *Window::createSlider()
+{
+ QSlider *slider = new QSlider(Qt::Vertical);
+ slider->setRange(0, 360 * 16);
+ slider->setSingleStep(16);
+ slider->setPageStep(15 * 16);
+ slider->setTickInterval(15 * 16);
+ slider->setTickPosition(QSlider::TicksRight);
+ return slider;
+}
+//! [2]
diff --git a/examples/opengl/hellogl/window.h b/examples/opengl/hellogl/window.h
new file mode 100644
index 0000000..b20f8a8
--- /dev/null
+++ b/examples/opengl/hellogl/window.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QSlider;
+QT_END_NAMESPACE
+//! [0]
+class GLWidget;
+
+class Window : public QWidget
+{
+ Q_OBJECT
+
+public:
+ Window();
+
+private:
+ QSlider *createSlider();
+
+ GLWidget *glWidget;
+ QSlider *xSlider;
+ QSlider *ySlider;
+ QSlider *zSlider;
+};
+//! [0]
+
+#endif
generated by cgit v0.12 at 2024-09-13 22:17:44 (GMT)