| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the demonstration applications of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** BSD License Usage |
| ** Alternatively, 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 The Qt Company Ltd 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 SCENE_H |
| #define SCENE_H |
| |
| #include "glbuffers.h" |
| #include "glextensions.h" |
| #include "gltrianglemesh.h" |
| #include "qtbox.h" |
| #include "roundedbox.h" |
| #include "trackball.h" |
| |
| 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;} |
| void emitChange() override { emit colorChanged(m_color, m_id); } |
| public slots: |
| void editDone(); |
| signals: |
| void colorChanged(QRgb color, int id); |
| protected: |
| void mousePressEvent(QMouseEvent *event) override; |
| 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;} |
| void emitChange() override { 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(nullptr, Qt::Window) {} |
| protected: |
| QVariant itemChange(GraphicsItemChange change, const QVariant &value) override; |
| void resizeEvent(QGraphicsSceneResizeEvent *event) override; |
| void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; |
| }; |
| |
| class TwoSidedGraphicsWidget : public QObject |
| { |
| Q_OBJECT |
| public: |
| using QObject::QObject; |
| void setWidget(int index, QWidget *widget); |
| QWidget *widget(int index); |
| public slots: |
| void flip(); |
| protected slots: |
| void animateFlip(); |
| private: |
| GraphicsWidget *m_proxyWidgets[2] = {nullptr, nullptr}; |
| int m_current = 0; |
| int m_angle = 0; // angle in degrees |
| int m_delta = 0; |
| }; |
| |
| 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: |
| void mouseDoubleClickEvent(QMouseEvent *event) override; |
| |
| 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: |
| void mouseDoubleClickEvent(QMouseEvent *event) override; |
| }; |
| |
| class Scene : public QGraphicsScene |
| { |
| Q_OBJECT |
| public: |
| Scene(int width, int height, int maxTextureSize); |
| ~Scene(); |
| void drawBackground(QPainter *painter, const QRectF &rect) override; |
| |
| 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(); |
| |
| void mousePressEvent(QGraphicsSceneMouseEvent *event) override; |
| void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override; |
| void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override; |
| void wheelEvent(QGraphicsSceneWheelEvent * event) override; |
| private: |
| void initGL(); |
| QPointF pixelPosToViewPos(const QPointF& p); |
| |
| 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 |