X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=misc.c;fp=misc.c;h=4215e477408f77c07ba8645c812fdea9184f62f3;hb=2b06c127282a7e4b10308e641977091ee9c20628;hp=11c842cd42c429274598a5df3cb312c207cbbec5;hpb=2bdabe31cf42b34f8d7bb6015c383482cfb5d068;p=sgt-puzzles.git

diff --git a/misc.c b/misc.c
index 11c842c..4215e47 100644
--- a/misc.c
+++ b/misc.c
@@ -244,6 +244,18 @@ void draw_rect_outline(drawing *dr, int x, int y, int w, int h, int colour)
     draw_polygon(dr, coords, 4, -1, colour);
 }
 
+void draw_rect_corners(drawing *dr, int cx, int cy, int r, int col)
+{
+    draw_line(dr, cx - r, cy - r, cx - r, cy - r/2, col);
+    draw_line(dr, cx - r, cy - r, cx - r/2, cy - r, col);
+    draw_line(dr, cx - r, cy + r, cx - r, cy + r/2, col);
+    draw_line(dr, cx - r, cy + r, cx - r/2, cy + r, col);
+    draw_line(dr, cx + r, cy - r, cx + r, cy - r/2, col);
+    draw_line(dr, cx + r, cy - r, cx + r/2, cy - r, col);
+    draw_line(dr, cx + r, cy + r, cx + r, cy + r/2, col);
+    draw_line(dr, cx + r, cy + r, cx + r/2, cy + r, col);
+}
+
 void move_cursor(int button, int *x, int *y, int maxw, int maxh, int wrap)
 {
     int dx = 0, dy = 0;