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Download patch

ref: 8589cb3a0c5aa942014e761d4a43502668d2d177
parent: 4b0a8c03a6ad1135275e91b32e339e56c9c802c1
author: Simon Tatham <anakin@pobox.com>
date: Sat May 29 11:43:50 EDT 2010 

Patch from Mark Wooding to add antialiasing-safety in repeated
redrawing of inequality signs in Unequal (which are redrawn when
they change colour).

[originally from svn r8964]


--- a/unequal.c
+++ b/unequal.c
@@ -1626,21 +1626,25 @@
     /* Draw all the greater-than signs emanating from this tile. */
 
     if (f & F_ADJ_UP) {
+	draw_rect(dr, ox, oy - g, TILE_SIZE, g, COL_BACKGROUND);
         draw_gt(dr, ox+g2, oy-g4, g2, -g2, g2, g2,
                (f & F_ERROR_UP) ? COL_ERROR : col);
         draw_update(dr, ox, oy-g, TILE_SIZE, g);
     }
     if (f & F_ADJ_RIGHT) {
+	draw_rect(dr, ox + TILE_SIZE, oy, g, TILE_SIZE, COL_BACKGROUND);
         draw_gt(dr, ox+TILE_SIZE+g4, oy+g2, g2, g2, -g2, g2,
                 (f & F_ERROR_RIGHT) ? COL_ERROR : col);
         draw_update(dr, ox+TILE_SIZE, oy, g, TILE_SIZE);
     }
     if (f & F_ADJ_DOWN) {
+	draw_rect(dr, ox, oy + TILE_SIZE, TILE_SIZE, g, COL_BACKGROUND);
         draw_gt(dr, ox+g2, oy+TILE_SIZE+g4, g2, g2, g2, -g2,
                (f & F_ERROR_DOWN) ? COL_ERROR : col);
         draw_update(dr, ox, oy+TILE_SIZE, TILE_SIZE, g);
     }
     if (f & F_ADJ_LEFT) {
+	draw_rect(dr, ox - g, oy, g, TILE_SIZE, COL_BACKGROUND);
         draw_gt(dr, ox-g4, oy+g2, -g2, g2, g2, g2,
                 (f & F_ERROR_LEFT) ? COL_ERROR : col);
         draw_update(dr, ox-g, oy, g, TILE_SIZE);