util.h File Reference

#include <math.h>
#include <QDebug>
#include <QPointF>
#include <QRectF>
#include <QVector2D>
#include <QVector3D>
#include <QOpenGLFunctions>
#include <omni/util.h>
#include <omni/visual/ContextBoundPtr.h>
#include <omni/visual/ContextSwitch.h>

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Namespaces
	omni
	Header to document namespaces.
	omni::visual
	Namespace for OpenGL visualization.
	omni::visual::util

Functions
double	omni::visual::util::now ()
	Get current time in nano seconds. More...
template<typename F >
void	omni::visual::util::for_each_circle_point (size_t _numVertices, float _radius, F _f)
QRectF	omni::visual::util::viewRect (int _imageWidth, int _imageHeight, int _canvasWidth, int _canvasHeight, float _border=0.0)
	Calculate view rectangle on 2D OpenGL surface. More...
template<typename F >
void	omni::visual::util::for_each_arc_point (size_t _numVertices, float _radius, float _beginAngle, float _endAngle, F _f)
template<typename SIZE >
qreal	omni::visual::util::aspect (SIZE const &_size)
	Calculates the aspect ratio from a QSize. More...
void	omni::visual::util::resetOpenGLState ()
	Reset openGL state to its defaults. More...
void	omni::visual::util::checkOpenGLError ()
	Convenience function for handling glGetError() More...
template<typename FRAMEBUFFER , typename PROJECTION , typename MODELVIEW >
void	omni::visual::util::draw_on_framebuffer (FRAMEBUFFER *_f, PROJECTION _p, MODELVIEW _m)
	Draw into QOpenGLFramebufferObject with given projection and model. More...
template<typename WIDGET >
void	omni::visual::util::viewport (WIDGET *_widget)
	Set viewport for widget. More...