func main() {
fmt.Println("Hello World!")
text := C.CString("Hello World!")
defer C.free(unsafe.Pointer(text))
C.cvNamedWindow(text, 1)
img := unsafe.Pointer(C.cvCreateImage(C.cvSize(640, 480), C.IPL_DEPTH_8U, 1))
C.cvSet(img, C.cvScalar(0, 0, 0, 0), nil)
var font C.CvFont
C.cvInitFont(&font, C.CV_FONT_HERSHEY_SIMPLEX|C.CV_FONT_ITALIC,
1.0, 1.0, 0, 1, 8)
C.cvPutText(img, text, C.cvPoint(200, 400), &font,
C.cvScalar(255, 255, 0, 0))
C.cvShowImage(text, img)
C.cvWaitKey(0)
}
/* display image within window (highgui windows remember their content) */
func (win *Window) ShowImage(image *IplImage) {
win.image = image
C.cvShowImage(win.name_c, unsafe.Pointer(image))
}
func Show(image *Image, windowName string) {
cname := C.CString(windowName)
defer C.free(unsafe.Pointer(cname))
C.cvShowImage(cname, image.ptr)
}