From 6722943b81c0dba84ed187b2d117cc92972117ed Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@kyllikki.org>
Date: Thu, 26 May 2016 11:18:41 +0100
Subject: move the CSS content handler

---
 include/netsurf/css.h | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 include/netsurf/css.h

(limited to 'include')

diff --git a/include/netsurf/css.h b/include/netsurf/css.h
new file mode 100644
index 000000000..bd95eaeeb
--- /dev/null
+++ b/include/netsurf/css.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * Netsurf core css API
+ */
+
+#ifndef NETSURF_CSS_H_
+#define NETSURF_CSS_H_
+
+/**
+ * Convert a CSS color to a NetSurf colour primitive
+ *
+ * ARGB -> (1-A)BGR
+ *
+ * \param c The CSS color to convert
+ * \return Corresponding NetSurf colour primitive
+ */
+#define nscss_color_to_ns(c) \
+		( ((~c) & 0xff000000)        | \
+		 ((( c) & 0xff0000  ) >> 16) | \
+		  (( c) & 0xff00    )        | \
+		 ((( c) & 0xff      ) << 16))
+
+
+/**
+ * Convert a NetSurf color to a CSS colour primitive
+ *
+ * (1-A)BGR -> ARGB
+ *
+ * \param c The NetSurf color to convert
+ * \return Corresponding CSS colour primitive
+ */
+#define ns_color_to_nscss(c) \
+		( ((~c) & 0xff000000)        | \
+		 ((( c) & 0xff0000  ) >> 16) | \
+		  (( c) & 0xff00    )        | \
+		 ((( c) & 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)
+
+#endif
-- 
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