void gl_Rectf(GLcontext *ctx, GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG x2
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG y1
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG x1
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG _In_ LONG y2