From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kpovmodeler/pmrendermanager.h | 435 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 435 insertions(+) create mode 100644 kpovmodeler/pmrendermanager.h (limited to 'kpovmodeler/pmrendermanager.h') diff --git a/kpovmodeler/pmrendermanager.h b/kpovmodeler/pmrendermanager.h new file mode 100644 index 00000000..a29a6589 --- /dev/null +++ b/kpovmodeler/pmrendermanager.h @@ -0,0 +1,435 @@ +//-*-C++-*- +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2001 by Andreas Zehender + email : zehender@kde.org +************************************************************************** + +************************************************************************** +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +**************************************************************************/ + +#ifndef PMRENDERMANAGER_H +#define PMRENDERMANAGER_H + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include "pmcontrolpoint.h" +#include "pmmatrix.h" +#include "pmobject.h" +#include "pmviewstructure.h" + +#include +#include +#include +#include +#include +#include +#include + +class PMGLView; +class PMCamera; +class PMPoint; +class KConfig; +class QString; + +/** + * Used internally by PMRenderManager. + * + * This class stores informations for one render task. + */ +class PMRenderTask +{ +public: + PMRenderTask( PMGLView* view, PMObject* active, PMObject* top, + PMControlPointList* controlPoints, double aspectRatio, + int visibilityLevel ) + { + m_pView = view; + m_pActiveObject = active; + m_pTopLevelObject = top; + m_pControlPoints = controlPoints; + m_aspectRatio = aspectRatio; + m_visibilityLevel = visibilityLevel; + } + + ~PMRenderTask( ) { }; + + PMGLView* view( ) const { return m_pView; } + PMObject* activeObject( ) const { return m_pActiveObject; } + PMObject* topLevelObject( ) const { return m_pTopLevelObject; } + PMControlPointList* controlPoints( ) const { return m_pControlPoints; } + double aspectRatio( ) const { return m_aspectRatio; } + int visibilityLevel( ) const { return m_visibilityLevel; } + + void setView( PMGLView* view ) { m_pView = view; } + void setActiveObject( PMObject* obj ) { m_pActiveObject = obj; } + void setTopLevelObject( PMObject* obj ) { m_pTopLevelObject = obj; } + void setControlPoints( PMControlPointList* list ) { m_pControlPoints = list; } + void setAspectRatio( double ar ) { m_aspectRatio = ar; } + void setVisibilityLevel( int l ) { m_visibilityLevel = l; } + +private: + PMGLView* m_pView; + PMObject* m_pActiveObject; + PMObject* m_pTopLevelObject; + PMControlPointList* m_pControlPoints; + double m_aspectRatio; + int m_visibilityLevel; +}; + +typedef QPtrList PMRenderTaskList; +typedef QPtrListIterator PMRenderTaskListIterator; + +/** + * Class that controls the background rendering + */ +class PMRenderManager : public QObject +{ + Q_OBJECT +public: + /** + * Returns a pointer to the render manager + */ + static PMRenderManager* theManager( ); + /** + * destructor + */ + ~PMRenderManager( ); + /** + * Adds the @ref PMGLView to the list of views that have to be rendered. + * + * @param view The view + * @param active The active object + * @param top The top level object (normally the scene) + * @param controlPoints A pointer to the list of control points for the + * active object + * @param graphicalChange If true the view will be rendered with higher + * priority + */ + void addView( PMGLView* view, PMObject* active, PMObject* top, + PMControlPointList* controlPoints, double aspectRatio, + int visibilityLevel, bool graphicalChange ); + /** + * Removes the view from the list of views that have to be rendered + */ + void removeView( PMGLView* view ); + + /** + * Call this method if a PMGLView was created + */ + void viewCreated( ) { m_nViews++; } + /** + * Call this method if a PMGLView was deleted + */ + void viewDeleted( ) { m_nViews--; } + + /** + * Returns true if the render manager holds a task for the view + */ + bool containsTask( PMGLView* view ) const; + + /** + * Returns the color for the control points + */ + QColor controlPointColor( int i ) const; + /** + * Sets the control point color + */ + void setControlPointColor( int i, const QColor& c ); + /** + * Returns the color for graphical objects + */ + QColor graphicalObjectColor( int i ) const; + /** + * Sets the graphical object color + */ + void setGraphicalObjectColor( int i, const QColor& c ); + /** + * Returns the color for the coordinate axes + */ + QColor axesColor( int i ) const; + /** + * Sets the axes color + */ + void setAxesColor( int i, const QColor& c ); + /** + * Returns the background color + */ + QColor backgroundColor( ) const { return m_backgroundColor; } + /** + * Sets the background color + */ + void setBackgroundColor( const QColor& c ) { m_backgroundColor = c; } + /** + * Returns the field of view color. + */ + QColor fieldOfViewColor( ) const { return m_fieldOfViewColor; } + /** + * Sets the field of view color + */ + void setFieldOfViewColor( const QColor& c ) { m_fieldOfViewColor = c; } + + /** + * Sets the grid color + */ + void setGridColor( const QColor& c ) { m_gridColor = c; } + /** + * Returns the grid color + */ + QColor gridColor( ) { return m_gridColor; } + /** + * Sets the grid distance + */ + void setGridDistance( int d ); + /** + * Returns the grid distance + */ + int gridDistance( ) { return m_gridDistance; } + + /** + * Returns true if the camera views with complex projections + * are rendered with high detail + */ + bool highDetailCameraViews( ) const { return m_highDetailCameraView; } + /** + * Sets the highDetailCameraView flag + */ + void setHighDetailCameraViews( bool yes ) { m_highDetailCameraView = yes; } + + /** + * Sets the gl drawing color + */ + static void setGLColor( const QColor& c ); + + /** + * Saves the configuration + */ + void saveConfig( KConfig* cfg ); + /** + * Restores the configuration + */ + void restoreConfig( KConfig* cfg ); + + /** + * Returns true if the glx extension is available + */ + static bool hasOpenGL( ); + /** + * Disables OpenGL rendering + */ + static void disableOpenGL( ); + +public slots: + /** + * Stops rendering + */ + void slotStopRendering( ); + /** + * Call this when rendering settings have been changed + */ + void slotRenderingSettingsChanged( ); + +signals: + /** + * Emitted when rendering starts for the view v + */ + void renderingStarted( PMGLView* v ); + /** + * Emitted just before the view is updated + */ + void aboutToUpdate( PMGLView* v ); + /** + * Emitted when rendering has been finished for the view v + */ + void renderingFinished( PMGLView* v ); + /** + * Emitted when rendering settings (colors ...) have been changed + */ + void renderingSettingsChanged( ); + /** + * Emitted when rendering has started + */ + void renderingStarted( ); + /** + * Emitted when rendering has finished + */ + void renderingFinished( ); + +protected: + virtual void timerEvent( QTimerEvent* ); + +private: + /** + * constructor + */ + PMRenderManager( ); + + /** + * Restarts rendering + */ + void restartRendering( ); + + /** + * The background task for rendering + */ + void renderTask( ); + /** + * Renders one object + */ + void renderObject( PMObject* obj ); + /** + * Renders the view structure, subdivides the lines in high + detail camera views */ + void renderViewStructure( PMViewStructure& vs ); + /** + * Renders the view structure without subdivisions + */ + void renderViewStructureSimple( PMPointArray& points, PMLineArray& lines, + int numberOfLines = -1 ); + /** + * Renders the control points + */ + void renderControlPoints( ); + /** + * Draws the grid + */ + void renderGrid( ); + /** + * Draws the coordinate axis + */ + void renderAxes( ); + /** + * Draws the field of view for camera views + */ + void renderFieldOfView( ); + /** + * Draws the view descriptions + */ + void renderDescription( ); + /** + * Renders the string + */ + void renderString( const QString& str, double x, double y ); + + /** + * Transforms and renders the view structure for special + * camera projection types. + */ + void transformProjection( PMPoint* points, int size, PMCamera* camera ); + /** + * Sets the projection for the current view + */ + void setProjection( ); + /** + * Sets the projection for a camera view + */ + void setCameraProjection( ); + + /** + * Calculates the view transformation for the camera c + */ + PMMatrix viewTransformation( PMCamera* c ) const; + + /** + * List of render tasks. The first has the highest priority + */ + QPtrList m_renderTasks; + /** + * Flag for background rendering + */ + bool m_bStopTask, m_bStartTask, m_bTaskIsRunning; + /** + * The color for view structures of graphical objects. + * + * index 0: normal color, 1: selected + */ + QColor m_graphicalObjectColor[2]; + /** + * The color for view structures of textures + */ + QColor m_textureColor[2]; + /** + * The color for the coordinate axes + */ + QColor m_axesColor[3]; + /** + * The background color + */ + QColor m_backgroundColor; + /** + * color for control points + * + * index 0: normal color, 1: selected + */ + QColor m_controlPointColor[2]; + /** + * Color for the field of view box + */ + QColor m_fieldOfViewColor; + + /** + * Grid distance and color + */ + int m_gridDistance; + QColor m_gridColor; + /** + * If true, lines are subdivided in camera views with complex + * projections + */ + bool m_highDetailCameraView; + + /** + * Number of rendered lines between calls of processEvents( ) + */ + unsigned int m_nMaxRenderedLines; + + /** + * Number of gl views + */ + unsigned int m_nViews; + /** + * The render manager (singleton pattern) + */ + static PMRenderManager* s_pManager; + static KStaticDeleter s_staticDeleter; + + // Member variables to save stack space during rendering + PMRenderTask* m_pCurrentTask; + PMGLView* m_pCurrentGlView; + QPtrStack m_matrixStack; // I don't know if the build in gl matrix stack is deep enough + bool m_selected; + PMObject* m_pDeselectObject; + PMObjectList m_objectToRenderStack; + QPtrStack m_quickColorObjects; + QPtrStack m_quickColors; + QColor m_currentColor; + QValueStack m_visibilityStack; + int m_currentVisibility; + unsigned int m_renderedLines; + PMMatrix m_controlPointTransformation; + + // for transformProjection + bool m_specialCameraMode; + PMMatrix m_viewTransformation; + double m_upLength, m_rightLength, m_directionLength; + double m_anglex, m_angley; + PMViewStructure m_subdivisionViewStructure; + + PMViewStructure m_axesViewStructure[3]; + bool m_axesViewStructureCreated; + + static bool s_hasOpenGL; + static bool s_hasOpenGLChecked; +}; + +#endif -- cgit v1.2.3