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Diffstat (limited to 'demos/boxes/scene.h')
| -rw-r--r-- | demos/boxes/scene.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/demos/boxes/scene.h b/demos/boxes/scene.h new file mode 100644 index 0000000..2db9317 --- /dev/null +++ b/demos/boxes/scene.h @@ -0,0 +1,243 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 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 SCENE_H +#define SCENE_H + +//#include <GL/glew.h> +#include "glextensions.h" + +#include <QtGui> +#include <QtOpenGL> + +#include "roundedbox.h" +#include "gltrianglemesh.h" +#include "vector.h" +#include "trackball.h" +#include "glbuffers.h" +#include "glshaders.h" +#include "qtbox.h" + +#define PI 3.14159265358979 + +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 +{ +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 gfx::Matrix4x4f &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<GLProgram *> m_programs; + GLVertexShader *m_vertexShader; + QVector<GLFragmentShader *> m_fragmentShaders; + GLFragmentShader *m_environmentShader; + GLProgram *m_environmentProgram; +}; + + + +#endif |