#pragma warning( disable:4251 )
#endif
+/*! Class GLViewer_Grid
+ 2D rectangular grid for GLViewer
+ Grid is adapt cells for current view
+*/
+
class GLVIEWER_API GLViewer_Grid
{
public:
+ //! A default constructor
GLViewer_Grid();
- GLViewer_Grid( float, float, float, float, float, float, float, float, float, float );
+ //! A constructor
+ /*
+ * \param width and \param height - width and height of grid
+ * \param winW and \param winH - width and height of window
+ * \param xSize and \param ySize - steps along x and y direction
+ * \param xPan and \param yPan - offsets along x and y direction
+ * \param xScale and \param yScal - scale factors along x and y direction
+ */
+ GLViewer_Grid( GLfloat width, GLfloat height,
+ GLfloat winW, GLfloat winH,
+ GLfloat xSize, GLfloat ySize,
+ GLfloat xPan, GLfloat yPan,
+ GLfloat xScale, GLfloat yScale );
~GLViewer_Grid();
+ //! Draws grid
void draw();
- void setGridColor( GLfloat, GLfloat, GLfloat );
- void setAxisColor( GLfloat, GLfloat, GLfloat );
+ //! Sets color of grid in RGB format
+ void setGridColor( GLfloat r, GLfloat g, GLfloat b );
+ //! Sets color of grid axes in RGB format
+ void setAxisColor( GLfloat r, GLfloat g, GLfloat b );
void setGridWidth( float );
+ //! Sets Radius of center point( begin coords )
void setCenterRadius( int );
- void setSize( float, float );
- void setPan( float, float );
- bool setZoom( float );
- void setResize( float, float, float );
+ //! Sets steps along x and y directions
+ void setSize( float xs, float ys );
+ //! Sets offset along x and y direction
+ void setPan( float xp, float yp );
+ //! Sets common scale factor along x and y direction
+ bool setZoom( float zoom );
+ //! Recomputes grid in new size and scale of view
+ void setResize( float winW, float winH, float Zoom );
void getSize( float&, float& ) const;
void getPan( float&, float& ) const;
void getScale( float&, float& ) const;
+ //! Sets step of scale
void setScaleFactor( int );
int getScaleFactor();
protected:
+ //! Initialize grid display list
bool initList();
GLuint myGridList;
