X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Fline.c;h=41e00cc7e44c411ec69064daed2296c38772f56c;hb=8b7069767fd93fc00353cf8c8be7c70ac1aaaba5;hp=b3e74f03a9f1d4d5e84bd9557d19e30052db78be;hpb=03d72c14a213544bfe50fd9145fe0e4c9f9229c8;p=bertos.git

diff --git a/gfx/line.c b/gfx/line.c
index b3e74f03..41e00cc7 100755
--- a/gfx/line.c
+++ b/gfx/line.c
@@ -16,6 +16,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.2  2006/02/10 12:26:58  bernie
+ *#* Check CONFIG_* constraints.
+ *#*
  *#* Revision 1.1  2006/01/24 02:17:49  bernie
  *#* Split out gfx.c into bitmap.c and line.c.
  *#*
@@ -29,6 +32,14 @@
 #include <cfg/macros.h>  /* SWAP() */
 #include <appconfig.h>   /* CONFIG_GFX_CLIPPING */
 
+/* Configuration sanity checks */
+#if !defined(CONFIG_GFX_CLIPPING) || (CONFIG_GFX_CLIPPING != 0 && CONFIG_GFX_CLIPPING != 1)
+	#error CONFIG_GFX_CLIPPING must be defined to either 0 or 1
+#endif
+#if !defined(CONFIG_GFX_VCOORDS) || (CONFIG_GFX_VCOORDS != 0 && CONFIG_GFX_VCOORDS != 1)
+	#error CONFIG_GFX_VCOORDS must be defined to either 0 or 1
+#endif
+
 /*!
  * Draw a sloped line without performing clipping.
  *
@@ -283,7 +294,7 @@ void gfx_rectFillC(Bitmap *bm, coord_t x1, coord_t y1, coord_t x2, coord_t y2, u
 	if (y2 < bm->cr.ymin)   y2 = bm->cr.ymin;
 	if (y1 > bm->cr.ymax)   y1 = bm->cr.ymax;
 	if (y2 > bm->cr.ymax)   y2 = bm->cr.ymax;
-#endif
+#endif /* CONFIG_GFX_CLIPPING */
 
 	/* NOTE: Code paths are duplicated for efficiency */
 	if (color) /* fill */