From 5d27aa256fc1778695312fedf21f9489f8232448 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Sat, 29 Jan 2011 19:22:12 +0000
Subject: Port to latest libcss

svn path=/trunk/netsurf/; revision=11526
---
 css/utils.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'css/utils.h')

diff --git a/css/utils.h b/css/utils.h
index 11403b5da..9d40aba7b 100644
--- a/css/utils.h
+++ b/css/utils.h
@@ -39,6 +39,15 @@ extern css_fixed nscss_screen_dpi;
 		((color) & 0xff00) | \
 		(((color) & 0xff) << 16)
 
+/**
+ * Determine if a CSS color primitive is transparent
+ *
+ * \param color  The CSS color to consider
+ * \return True if the color is transparent, false otherwise
+ */
+#define nscss_color_is_transparent(color) \
+		(((color) >> 24) == 0)
+
 css_fixed nscss_len2pt(css_fixed length, css_unit unit);
 css_fixed nscss_len2px(css_fixed length, css_unit unit, 
 		const css_computed_style *style);
-- 
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