(w32_draw_relief_rect): Fix calculations of line lengths.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/w32term.c b/src/w32term.c
index 3edfba83919..56565aee454 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -3728,14 +3728,14 @@ w32_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width,
   for (i = 0; i < width; ++i)
     w32_fill_area (f, hdc, gc.foreground,
                    left_x + i * left_p, top_y + i,
-                   (right_x + 1 - i * right_p) - (left_x + i * left_p) + 1, 1);
+                   right_x - left_x - i * (left_p + right_p ) + 1, 1);
 
   /* Left.  */
   if (left_p)
     for (i = 0; i < width; ++i)
       w32_fill_area (f, hdc, gc.foreground,
                      left_x + i, top_y + i, 1,
-                     (bottom_y - i) - (top_y + i) + 2);
+                     bottom_y - top_y - 2 * i + 1);
 
   if (raised_p)
     gc.foreground = f->output_data.w32->black_relief.gc->foreground;
@@ -3746,14 +3746,14 @@ w32_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width,
   for (i = 0; i < width; ++i)
     w32_fill_area (f, hdc, gc.foreground, 
                    left_x + i * left_p, bottom_y - i,
-                   (right_x - i * right_p) - (left_x + i * left_p) + 2, 1);
+                   right_x - left_x - i * (left_p + right_p) + 1, 1);
 
   /* Right.  */
   if (right_p)
     for (i = 0; i < width; ++i)
       w32_fill_area (f, hdc, gc.foreground,
                      right_x - i, top_y + i + 1, 1,
-                     (bottom_y - i) - (top_y + i));
+                     bottom_y - top_y - 2 * i - 1);
 
   w32_set_clip_rectangle (hdc, NULL);