--- /dev/null
+/****************************************************************************
+**
+** 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 examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "glwindow.h"
+
+#include <QGuiApplication>
+#include <QScreen>
+#include <QTimer>
+
+#include <math.h>
+#include <stdio.h>
+
+inline void CrossProduct(qreal &xOut, qreal &yOut, qreal &zOut, qreal x1, qreal y1, qreal z1, qreal x2, qreal y2, qreal z2)
+{
+ xOut = y1 * z2 - z1 * y2;
+ yOut = z1 * x2 - x1 * z2;
+ zOut = x1 * y2 - y1 * x2;
+}
+
+inline void Normalize(qreal &x, qreal &y, qreal &z)
+{
+ qreal l = sqrt(x*x + y*y + z*z);
+ x = x / l;
+ y = y / l;
+ z = z / l;
+}
+
+GLWindow::GLWindow()
+{
+ qtLogo = true;
+ createdVertices = 0;
+ createdNormals = 0;
+ m_vertexNumber = 0;
+ frames = 0;
+
+ m_fScale = 1;
+
+ QSurfaceFormat format;
+ format.setDepthBufferSize(24);
+ format.setMajorVersion(1);
+ format.setMinorVersion(1);
+
+ setGeometry(QGuiApplication::primaryScreen()->availableGeometry());
+ setFormat(format);
+ create();
+
+ m_context = new QOpenGLContext;
+ m_context->setFormat(format);
+ m_context->create();
+
+ m_context->makeCurrent(this);
+ initializeGL();
+
+ QTimer *timer = new QTimer(this);
+ timer->setInterval(16);
+ connect(timer, SIGNAL(timeout()), this, SLOT(paintGL()));
+ timer->start();
+}
+
+GLWindow::~GLWindow()
+{
+ if (createdVertices)
+ delete[] createdVertices;
+ if (createdNormals)
+ delete[] createdNormals;
+
+ delete m_context;
+}
+
+void GLWindow::paintQtLogo()
+{
+ glDisable(GL_TEXTURE_2D);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glVertexPointer(3,GL_FLOAT,0, createdVertices);
+ glEnableClientState(GL_NORMAL_ARRAY);
+ glNormalPointer(GL_FLOAT,0,createdNormals);
+ glDrawArrays(GL_TRIANGLES, 0, m_vertexNumber / 3);
+}
+
+void GLWindow::initializeGL ()
+{
+ glClearColor(0.1f, 0.1f, 0.2f, 1.0f);
+
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ GLfloat aLightPosition[] = {0.0f,0.3f,1.0f,0.0f};
+
+ glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, aLightPosition);
+ m_fAngle = 0;
+ m_fScale = 1;
+ createGeometry();
+}
+
+void GLWindow::paintGL()
+{
+ m_context->makeCurrent(this);
+
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glMatrixMode(GL_TEXTURE);
+ glPushMatrix();
+
+ //Since OpenGL ES does not support glPush/PopAttrib(GL_ALL_ATTRIB_BITS)
+ //we have to take care of the states ourselves
+
+ glClearColor(0.1f, 0.1f, 0.2f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glEnable(GL_TEXTURE_2D);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glShadeModel(GL_FLAT);
+ glFrontFace(GL_CW);
+ glCullFace(GL_FRONT);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_DEPTH_TEST);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glRotatef(m_fAngle, 0.0f, 1.0f, 0.0f);
+ glRotatef(m_fAngle, 1.0f, 0.0f, 0.0f);
+ glRotatef(m_fAngle, 0.0f, 0.0f, 1.0f);
+ glScalef(m_fScale, m_fScale,m_fScale);
+ glTranslatef(0.0f,-0.2f,0.0f);
+
+ GLfloat matDiff[] = {0.40f, 1.0f, 0.0f, 1.0f};
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, matDiff);
+
+ paintQtLogo();
+
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ glMatrixMode(GL_TEXTURE);
+ glPopMatrix();
+
+ glDisable(GL_LIGHTING);
+ glDisable(GL_LIGHT0);
+
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_CULL_FACE);
+
+ m_context->swapBuffers(this);
+
+ m_fAngle += 1.0f;
+}
+
+void GLWindow::createGeometry()
+{
+ vertices.clear();
+ normals.clear();
+
+ qreal x1 = +0.06f;
+ qreal y1 = -0.14f;
+ qreal x2 = +0.14f;
+ qreal y2 = -0.06f;
+ qreal x3 = +0.08f;
+ qreal y3 = +0.00f;
+ qreal x4 = +0.30f;
+ qreal y4 = +0.22f;
+
+ 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 qreal Pi = 3.14159f;
+ const int NumSectors = 100;
+
+ for (int i = 0; i < NumSectors; ++i) {
+ qreal angle1 = (i * 2 * Pi) / NumSectors;
+ qreal x5 = 0.30 * sin(angle1);
+ qreal y5 = 0.30 * cos(angle1);
+ qreal x6 = 0.20 * sin(angle1);
+ qreal y6 = 0.20 * cos(angle1);
+
+ qreal angle2 = ((i + 1) * 2 * Pi) / NumSectors;
+ qreal x7 = 0.20 * sin(angle2);
+ qreal y7 = 0.20 * cos(angle2);
+ qreal x8 = 0.30 * sin(angle2);
+ qreal y8 = 0.30 * cos(angle2);
+
+ quad(x5, y5, x6, y6, x7, y7, x8, y8);
+
+ extrude(x6, y6, x7, y7);
+ extrude(x8, y8, x5, y5);
+ }
+
+ m_vertexNumber = vertices.size();
+ createdVertices = new GLfloat[m_vertexNumber];
+ createdNormals = new GLfloat[m_vertexNumber];
+ for (int i = 0;i < m_vertexNumber;i++) {
+ createdVertices[i] = vertices.at(i) * 2;
+ createdNormals[i] = normals.at(i);
+ }
+ vertices.clear();
+ normals.clear();
+}
+
+void GLWindow::quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4)
+{
+ qreal nx, ny, nz;
+
+ vertices << x1 << y1 << -0.05f;
+ vertices << x2 << y2 << -0.05f;
+ vertices << x4 << y4 << -0.05f;
+
+ vertices << x3 << y3 << -0.05f;
+ vertices << x4 << y4 << -0.05f;
+ vertices << x2 << y2 << -0.05f;
+
+ CrossProduct(nx, ny, nz, x2 - x1, y2 - y1, 0, x4 - x1, y4 - y1, 0);
+ Normalize(nx, ny, nz);
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ vertices << x4 << y4 << 0.05f;
+ vertices << x2 << y2 << 0.05f;
+ vertices << x1 << y1 << 0.05f;
+
+ vertices << x2 << y2 << 0.05f;
+ vertices << x4 << y4 << 0.05f;
+ vertices << x3 << y3 << 0.05f;
+
+ CrossProduct(nx, ny, nz, x2 - x4, y2 - y4, 0, x1 - x4, y1 - y4, 0);
+ Normalize(nx, ny, nz);
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+}
+
+void GLWindow::extrude(qreal x1, qreal y1, qreal x2, qreal y2)
+{
+ qreal nx, ny, nz;
+
+ vertices << x1 << y1 << +0.05f;
+ vertices << x2 << y2 << +0.05f;
+ vertices << x1 << y1 << -0.05f;
+
+ vertices << x2 << y2 << -0.05f;
+ vertices << x1 << y1 << -0.05f;
+ vertices << x2 << y2 << +0.05f;
+
+ CrossProduct(nx, ny, nz, x2 - x1, y2 - y1, 0.0f, 0.0f, 0.0f, -0.1f);
+ Normalize(nx, ny, nz);
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+}
--- /dev/null
+/****************************************************************************
+**
+** 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 examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GLWINDOW_H
+#define GLWINDOW_H
+
+#include <GLES/gl.h>
+
+#include <QOpenGLContext>
+#include <QWindow>
+#include <QTime>
+
+class GLWindow : public QWindow {
+ Q_OBJECT
+public:
+ GLWindow();
+ ~GLWindow();
+
+protected slots:
+ void paintGL();
+ void initializeGL();
+
+private:
+ qreal m_fAngle;
+ qreal m_fScale;
+ QOpenGLContext *m_context;
+ void paintQtLogo();
+ void createGeometry();
+ void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
+ void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
+ QList<qreal> vertices;
+ QList<qreal> normals;
+ GLfloat *createdVertices;
+ GLfloat *createdNormals;
+ int m_vertexNumber;
+ bool qtLogo;
+ int frames;
+ QTime time;
+};
+
+#endif
--- /dev/null
+/****************************************************************************
+**
+** 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 examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+
+#include "glwindow.h"
+
+int main( int argc, char ** argv )
+{
+ Q_INIT_RESOURCE(texture);
+ QGuiApplication a( argc, argv );
+ GLWindow window;
+ window.show();
+ return a.exec();
+}
projects / profile / ivi / qtbase.git / commitdiff
