1 files changed, 54 insertions, 13 deletions

diff --git a/rtgrpblib_draw_linear_bezier.c b/rtgrpblib_draw_linear_bezier.c
index bf9d41e..a2af58f 100644
--- a/rtgrpblib_draw_linear_bezier.c
+++ b/rtgrpblib_draw_linear_bezier.c
@@ -127,24 +127,65 @@ static RASTER *raster;
 static RASTER *refraster;
 
 
+#ifdef ROWWISE_RESET_INKLEVEL
 static void
-check_draw_linear_bezier(double x1, double y1, double x2, double y2)
+draw_right_edge_shadow(double x1, double y1, double x2, double y2)
+{
+	if (raster->draftness <= 0)
+		return;
+
+	if (x1 >= 10.0 && x2 >= 10.0) {
+		draw_linear_bezier_reference(raster, x1, y1, x2, y2);
+
+	} else if (x1 >= 10.0) {
+		y2 = y2 + (10.0 - x2) * (y2 - y1) / (x2 - x1);
+		x2 = 10.0;
+		draw_linear_bezier_reference(raster, x1, y1, x2, y2);
+
+	} else if (x2 >= 10.0) {
+		y1 = y1 + (10.0 - x1) * (y2 - y1) / (x2 - x1);
+		x1 = 10.0;
+		draw_linear_bezier_reference(raster, x1, y1, x2, y2);
+	}
+}
+#endif
+
+
+static void
+proper_check_draw_linear_bezier(double x1, double y1, double x2, double y2)
 {
 	size_t i;
+
 	alarm(5);
 	rtgrpblib_draw_linear_bezier(raster, x1, y1, x2, y2);
+#ifdef ROWWISE_RESET_INKLEVEL
+	draw_right_edge_shadow(x1, y1, x2, y2);
+#endif
+
 	alarm(5);
 	draw_linear_bezier_reference(refraster, x1, y1, x2, y2);
+
 	alarm(0);
+
 	for (i = 0; i < 100; i++) {
-		ASSERT(intolerant_eq(raster->cells[i].cell_coverage, refraster->cells[i].cell_coverage));
-		ASSERT(intolerant_eq(raster->cells[i].opposite_coverage, refraster->cells[i].opposite_coverage));
+		ASSERT(eq(raster->cells[i].cell_coverage, refraster->cells[i].cell_coverage));
+		ASSERT(eq(raster->cells[i].opposite_coverage, refraster->cells[i].opposite_coverage));
 	}
 	rtgrpblib_reset_raster(raster, 10, 10);
 	rtgrpblib_reset_raster(refraster, 10, 10);
 }
 
 
+static void
+check_draw_linear_bezier(double x1, double y1, double x2, double y2)
+{
+	proper_check_draw_linear_bezier(floor(x1), floor(y1), floor(x2), floor(y2));
+	proper_check_draw_linear_bezier(floor(x1), y1, floor(x2), y2);
+	proper_check_draw_linear_bezier(x1, floor(y1), x2, floor(y2));
+	proper_check_draw_linear_bezier(x1, y1, x2, y2);
+}
+
+
 static double
 frand(double a, double b)
 {
@@ -169,26 +210,26 @@ main(void)
 	ASSERT(refraster);
 	srand((unsigned)(uintptr_t)raster);
 
-	for (i = 0; i < 10000UL; i++) {
-#ifndef ROWWISE_RESET_INKLEVEL
+	for (i = 0; i < 50000UL; i++) {
 		x1 = frand(-5, 15);
 		y1 = frand(-5, 15);
 		x2 = frand(-5, 15);
 		y2 = frand(-5, 15);
-#else
-		/* TODO add tests the support higher upper bound */
-		x1 = frand(0, 10); /* TODO fix lower bound */
-		y1 = frand(-5, 15);
-		x2 = frand(-5, 10);
-		y2 = frand(-5, 15);
-#endif
 
 		check_draw_linear_bezier(x1, y1, x2, y2);
 		check_draw_linear_bezier(x1, x1, x2, x2);
+		check_draw_linear_bezier(x1, y1, x2, y1);
 		check_draw_linear_bezier(x1, x2, x2, x1);
+		check_draw_linear_bezier(x1, y1, x1, y2);
+		check_draw_linear_bezier(x1, x1, x1, x1);
+		raster->draftness = -1;
+		check_draw_linear_bezier(x1, y1, x2, y2);
+		check_draw_linear_bezier(x1, x1, x2, x2);
 		check_draw_linear_bezier(x1, y1, x2, y1);
+		check_draw_linear_bezier(x1, x2, x2, x1);
 		check_draw_linear_bezier(x1, y1, x1, y2);
-		/* TODO test with zero draftness */
+		check_draw_linear_bezier(x1, x1, x1, x1);
+		raster->draftness = 0.5;
 	}
 
 	free(raster);