From dd43a37b9b981bd01bb19d921dafa22d7126f927 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Mon, 1 Jul 2013 17:36:47 +1000
Subject: Add gdispImageIsOpen() function.

---
 src/gdisp/image.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/gdisp')

diff --git a/src/gdisp/image.c b/src/gdisp/image.c
index fec05147..efeb6ad1 100644
--- a/src/gdisp/image.c
+++ b/src/gdisp/image.c
@@ -184,6 +184,14 @@ void gdispImageClose(gdispImage *img) {
 		img->fns->close(img);
 	else
 		img->io.fns->close(&img->io);
+	img->type = GDISP_IMAGE_TYPE_UNKNOWN;
+	img->flags = 0;
+	img->fns = 0;
+	img->priv = 0;
+}
+
+bool_t gdispImageIsOpen(gdispImage *img) {
+	return img->type != GDISP_IMAGE_TYPE_UNKNOWN && img->fns != 0;
 }
 
 void gdispImageSetBgColor(gdispImage *img, color_t bgcolor) {
-- 
cgit v1.2.3