Merge in Virtual Keybpard & KeyMapper branch,

- Merge is perfromed in order to not let rotting the code
- Makefile modifications were avoided

Stuff to resolve:
- Circular dependency of common/vkeybd from graphics/
- Make it compilable (?)
- Add some keyboards
- Decide on the key bindings

svn-id: r35813

1 files changed, 59 insertions, 0 deletions

diff --git a/backends/vkeybd/polygon.cpp b/backends/vkeybd/polygon.cpp
new file mode 100644
index 0000000000..14a804ddba
--- /dev/null
+++ b/backends/vkeybd/polygon.cpp
@@ -0,0 +1,59 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "backends/vkeybd/polygon.h"
+
+#ifdef ENABLE_VKEYBD
+
+namespace Common {
+
+bool Polygon::contains(int16 x, int16 y) const {
+	int yflag0;
+	int yflag1;
+	bool inside_flag = false;
+	unsigned int pt;
+
+	const Point *vtx0 = &_points[_points.size() - 1];
+	const Point *vtx1 = &_points[0];
+
+	yflag0 = (vtx0->y >= y);
+	for (pt = 0; pt < _points.size(); pt++, vtx1++) {
+		yflag1 = (vtx1->y >= y);
+		if (yflag0 != yflag1) {
+			if (((vtx1->y - y) * (vtx0->x - vtx1->x) >=
+				(vtx1->x - x) * (vtx0->y - vtx1->y)) == yflag1) {
+				inside_flag = !inside_flag;
+			}
+		}
+		yflag0 = yflag1;
+		vtx0 = vtx1;
+	}
+
+	return inside_flag;
+}
+
+} // end of namespace Common
+
+#endif // #ifdef ENABLE_VKEYBD