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/* idproj.c */
/*
* Setup an identity projection such that glVertex(x,y) maps to
* window coordinate (x,y).
*
* Written by Brian Paul and in the public domain.
*/
void IdentityProjection( GLint x, GLint y, GLsizei width, GLsizei height )
{
glViewport( x, y, width, height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glOrtho( (GLdouble) x, (GLdouble) y,
(GLdouble) width, (GLdouble) height,
-1.0, 1.0 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
}
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