setos

commit d33e7593e155b1352df343e5394596099bf018f4
parent b0aba4ed96abbdbd523b16af006a220e1115383d
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Fri,  5 Apr 2024 15:30:15 +0900

change border

Diffstat:
M
sys/src/kernel/draw.c
 | 
12
++++++++++--
M
sys/src/kernel/main.c
 | 
2
+-

2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/sys/src/kernel/draw.c b/sys/src/kernel/draw.c
@@ -105,8 +105,16 @@ border(Window *dst, Rectangle r, int i, RGBA32 col)
 {
 	int x, y;
 	int j;
-	int s = i > 0 ? 1 : -1;
-	for (j = 0; j != i+s; j += s) {
+	int start, end;
+	if (i < 0) {
+		start = -1;
+		end = i - 1;
+	} else {
+		start = 0;
+		end = i + 1;
+	}
+	int delta = i > 0 ? 1 : -1;
+	for (j = start; j != end; j += delta) {
 		for (x = r.min.x+j, y = r.min.y+j; x < r.max.x-j; x++) {
 			pixel(dst, (Point){x, y}, col);
 		}
diff --git a/sys/src/kernel/main.c b/sys/src/kernel/main.c
@@ -44,7 +44,7 @@ kernel_main(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
 		.max = (Point){150 + 400, 100 + 300}
 	};
 	clear(&win0);
-	border(&root_window, rect, -3, 0xaa666600);
+	border(&root_window, rect, -4, 0xaa666600);
 	cons_printf(&con0, "hello world!\n");
 
 halt: