draw_thick_line: Bound thickness by 1.0 below

[sgt-puzzles.git] / drawing.c

diff --git a/drawing.c b/drawing.c
index 7f4a6cf6746eabdea9fba7a63f6d9b9900ef35d0..a10a7f06d68553c827347c7e249c704cc8fea272 100644 (file)
--- a/drawing.c
+++ b/drawing.c
@@ -90,6 +90,8 @@ void draw_line(drawing *dr, int x1, int y1, int x2, int y2, int colour)
 void draw_thick_line(drawing *dr, float thickness,
                     float x1, float y1, float x2, float y2, int colour)
 {
+    if (thickness < 1.0)
+        thickness = 1.0;
     if (dr->api->draw_thick_line) {
        dr->api->draw_thick_line(dr->handle, thickness,
                                 x1, y1, x2, y2, colour);