xil_roi_get_as_region(3)

NAME

xil_roi_get_as_region − get an X region version of an ROI

SYNOPSIS

#include <xil/xil.h>

Region xil_roi_get_as_region ( XilRoi roi);

DESCRIPTION

This function returns a handle to an X region that corresponds to the supplied ROI.

ERRORS

For a complete list of XIL error messages by number, consult Appendix B of the XIL Programmer’s Guide.

EXAMPLES

Get the ROI associated with an image. Then create an X region that corresponds to the ROI returned:

XilSystemState State;
XilImage image;
XilRoi roi;
Region region;
roi = xil_get_roi (image);
if (roi == NULL) {
    /∗ The image had no ROI associated with it,
       create one that encompasses the whole image ∗/
    roi = xil_roi_create (State);
    xil_roi_add_rect (roi, 0, 0, xil_get_width(image), xil_get_height(image));
}
region = xil_roi_get_as_region (roi);

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