--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/boxes/scene.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,245 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SCENE_H
+#define SCENE_H
+
+//#include <GL/glew.h>
+#include "glextensions.h"
+
+#include <QtGui>
+#include <QtOpenGL>
+
+#include "roundedbox.h"
+#include "gltrianglemesh.h"
+#include "trackball.h"
+#include "glbuffers.h"
+#include "qtbox.h"
+
+#define PI 3.14159265358979
+
+QT_BEGIN_NAMESPACE
+class QMatrix4x4;
+QT_END_NAMESPACE
+
+class ParameterEdit : public QWidget
+{
+public:
+ virtual void emitChange() = 0;
+};
+
+class ColorEdit : public ParameterEdit
+{
+ Q_OBJECT
+public:
+ ColorEdit(QRgb initialColor, int id);
+ QRgb color() const {return m_color;}
+ virtual void emitChange() {emit colorChanged(m_color, m_id);}
+public slots:
+ void editDone();
+signals:
+ void colorChanged(QRgb color, int id);
+protected:
+ virtual void mousePressEvent(QMouseEvent *event);
+ void setColor(QRgb color); // also emits colorChanged()
+private:
+ QGraphicsScene *m_dialogParentScene;
+ QLineEdit *m_lineEdit;
+ QFrame *m_button;
+ QRgb m_color;
+ int m_id;
+};
+
+class FloatEdit : public ParameterEdit
+{
+ Q_OBJECT
+public:
+ FloatEdit(float initialValue, int id);
+ float value() const {return m_value;}
+ virtual void emitChange() {emit valueChanged(m_value, m_id);}
+public slots:
+ void editDone();
+signals:
+ void valueChanged(float value, int id);
+private:
+ QGraphicsScene *m_dialogParentScene;
+ QLineEdit *m_lineEdit;
+ float m_value;
+ int m_id;
+};
+
+class GraphicsWidget : public QGraphicsProxyWidget
+{
+public:
+ GraphicsWidget() : QGraphicsProxyWidget(0, Qt::Window) {}
+protected:
+ virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+ virtual void resizeEvent(QGraphicsSceneResizeEvent *event);
+ virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+};
+
+class TwoSidedGraphicsWidget : public QObject
+{
+ Q_OBJECT
+public:
+ TwoSidedGraphicsWidget(QGraphicsScene *scene);
+ void setWidget(int index, QWidget *widget);
+ QWidget *widget(int index);
+public slots:
+ void flip();
+protected slots:
+ void animateFlip();
+private:
+ GraphicsWidget *m_proxyWidgets[2];
+ int m_current;
+ int m_angle; // angle in degrees
+ int m_delta;
+};
+
+class RenderOptionsDialog : public QDialog
+{
+ Q_OBJECT
+public:
+ RenderOptionsDialog();
+ int addTexture(const QString &name);
+ int addShader(const QString &name);
+ void emitParameterChanged();
+protected slots:
+ void setColorParameter(QRgb color, int id);
+ void setFloatParameter(float value, int id);
+signals:
+ void dynamicCubemapToggled(int);
+ void colorParameterChanged(const QString &, QRgb);
+ void floatParameterChanged(const QString &, float);
+ void textureChanged(int);
+ void shaderChanged(int);
+ void doubleClicked();
+protected:
+ virtual void mouseDoubleClickEvent(QMouseEvent *event);
+
+ QVector<QByteArray> m_parameterNames;
+ QComboBox *m_textureCombo;
+ QComboBox *m_shaderCombo;
+ QVector<ParameterEdit *> m_parameterEdits;
+};
+
+class ItemDialog : public QDialog
+{
+ Q_OBJECT
+public:
+ enum ItemType {
+ QtBoxItem,
+ CircleItem,
+ SquareItem,
+ };
+
+ ItemDialog();
+public slots:
+ void triggerNewQtBox();
+ void triggerNewCircleItem();
+ void triggerNewSquareItem();
+signals:
+ void doubleClicked();
+ void newItemTriggered(ItemDialog::ItemType type);
+protected:
+ virtual void mouseDoubleClickEvent(QMouseEvent *event);
+};
+
+class Scene : public QGraphicsScene
+{
+ Q_OBJECT
+public:
+ Scene(int width, int height, int maxTextureSize);
+ ~Scene();
+ virtual void drawBackground(QPainter *painter, const QRectF &rect);
+
+public slots:
+ void setShader(int index);
+ void setTexture(int index);
+ void toggleDynamicCubemap(int state);
+ void setColorParameter(const QString &name, QRgb color);
+ void setFloatParameter(const QString &name, float value);
+ void newItem(ItemDialog::ItemType type);
+protected:
+ void renderBoxes(const QMatrix4x4 &view, int excludeBox = -2);
+ void setStates();
+ void setLights();
+ void defaultStates();
+ void renderCubemaps();
+
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ virtual void wheelEvent(QGraphicsSceneWheelEvent * event);
+private:
+ void initGL();
+ QPointF pixelPosToViewPos(const QPointF& p);
+
+ QTime m_time;
+ int m_lastTime;
+ int m_mouseEventTime;
+ int m_distExp;
+ int m_frame;
+ int m_maxTextureSize;
+
+ int m_currentShader;
+ int m_currentTexture;
+ bool m_dynamicCubemap;
+ bool m_updateAllCubemaps;
+
+ RenderOptionsDialog *m_renderOptions;
+ ItemDialog *m_itemDialog;
+ QTimer *m_timer;
+ GLRoundedBox *m_box;
+ TrackBall m_trackBalls[3];
+ QVector<GLTexture *> m_textures;
+ GLTextureCube *m_environment;
+ GLTexture3D *m_noise;
+ GLRenderTargetCube *m_mainCubemap;
+ QVector<GLRenderTargetCube *> m_cubemaps;
+ QVector<QGLShaderProgram *> m_programs;
+ QGLShader *m_vertexShader;
+ QVector<QGLShader *> m_fragmentShaders;
+ QGLShader *m_environmentShader;
+ QGLShaderProgram *m_environmentProgram;
+};
+
+#endif