The glRectdv function draws a rectangle.
void WINAPI glRectdv( const GLdouble *v1, const GLdouble *v2 );
A pointer to one vertex of a rectangle.
a pointer to the opposite vertex of the rectangle.
This function does not return a value.
The following error code can be retrieved by the glGetError function.
||The function was called between a call to glBegin and the corresponding call to glEnd.
The glRectd function supports efficient specification of rectangles as two corner points. Each rectangle command takes four arguments, organized either as two consecutive pairs of (x, y) coordinates, or as two pointers to arrays, each containing an (x, y) pair. The resulting rectangle is defined in the z = 0 plane.
The glRectd(x1, y1, x2, y2) function is exactly equivalent to the following sequence:
glVertex2( x1, y1 );
glVertex2( x2, y1 );
glVertex2( x2, y2 );
glVertex2( x1, y2 );
Notice that if the second vertex is above and to the right of the first vertex, the rectangle is constructed with a counterclockwise winding.
|Minimum supported client
||Windows 2000 Professional [desktop apps only]
|Minimum supported server
||Windows 2000 Server [desktop apps only]