Various developments.

1 files changed, 45 insertions, 0 deletions

diff --git a/src/colour.cc b/src/colour.cc
new file mode 100644
index 0000000..f163424
--- /dev/null
+++ b/src/colour.cc
@@ -0,0 +1,45 @@
+/*
+    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+
+    This program 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; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "colour.h"
+#include "exceptions.h"
+#include <string>
+#include <cstdio>
+
+using std::string;
+using namespace sub;
+
+Colour::Colour (string argb_hex)
+{
+	int alpha, ir, ig, ib;
+	if (sscanf (argb_hex.c_str(), "%2x%2x%2x%2x", &alpha, &ir, &ig, &ib) < 4) {
+		throw XMLError ("could not parse colour string");
+	}
+
+	r = float (ir) / 255;
+	g = float (ig) / 255;
+	b = float (ib) / 255;
+}
+
+bool
+sub::operator== (Colour const & a, Colour const & b)
+{
+	return a.r == b.r && a.g == b.g && a.b == b.b;
+}
+