'\"
'\" Copyright (c) 1997 Maorong Zou
'\" 
.TH EZ_GetGLImageWindow "" EZWGL "EZWGL Functions"
.BS
.SH NAME
EZ_GetGLImageWindow, EZ_GetGLImageXWindow \- create a GL Image from the
current active 3D canvas

.SH SYNOPSIS
.nf
.B #include <EZ.h>
.sp
.BI "void EZ_GetGLImageWindow(int " x ", int " y ", int " w ", int " h, 
.BI "                        EZ_GLImage *" image_ret )
.sp
.BI "void EZ_GetGLImageXWindow(int " x ", int " y ", int " w ", int " h,
.BI "                        EZ_GLImage *" image_ret )

.SH ARGUMENTS
\fIx,y,w,h\fR  Specifies a region in the current active 3D canvas.
.sp
\fIimage_ret\fR Specifies the return for the GL image.
.sp
\fIcursor\fR Specifies a cursor id.

.SH DESCRIPTION
.PP
\fBEZ_GetGLImageWindow\fR creates a GL image copied from the specified
region in the current active 3D canvas widget. The coordinates here is
measured from the lower-left corner of the 3D canvas.
.PP
\fBEZ_GetGLImageXWindow\fR creates a GL image copied from the specified
region in the current active 3D canvas widget. The coordinates here is
measured from the upper-left corner of the 3D canvas.

.SH "SEE ALSO"
EZ_PutGLImage(3), EZ_CreateGLImage(3)
.br