From: Keith Packard <keithp@keithp.com>
Date: Wed, 8 Mar 2023 23:49:52 +0000 (-0800)
Subject: src/draw: Provide some useful constants
X-Git-Tag: 1.9.18~2^2~84
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=5af8252cb6cf51611963f4df97eee04741438ea5

src/draw: Provide some useful constants

The two colors and a stride macro

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/draw/ao_draw.h b/src/draw/ao_draw.h
index 29afef9c..74d5dc09 100644
--- a/src/draw/ao_draw.h
+++ b/src/draw/ao_draw.h
@@ -28,6 +28,8 @@ struct ao_bitmap {
 	struct ao_box	damage;
 };
 
+#define AO_BITMAP_STRIDE(width)	(((width) + 31) >> 5)
+
 struct ao_coord {
 	float	x, y;
 };
@@ -209,4 +211,7 @@ extern const struct ao_transform ao_identity;
 #define AO_NAND          0xe	/* NOT src OR NOT dst */
 #define AO_SET           0xf	/* 1 */
 
+#define AO_WHITE	0xffffffff
+#define AO_BLACK	0x00000000
+
 #endif /* _AO_DRAW_H_ */