Put two of the WinCE downscalers into graphics/scaler/downscaler*, so that they can be used by multiple backends (more could be added as needed)

svn-id: r45974

1 files changed, 44 insertions, 0 deletions

diff --git a/graphics/scaler/downscaler.h b/graphics/scaler/downscaler.h
new file mode 100644
index 0000000000..115ad945e5
--- /dev/null
+++ b/graphics/scaler/downscaler.h
@@ -0,0 +1,44 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef GRAPHICS_SCALER_DOWNSCALER_H
+#define GRAPHICS_SCALER_DOWNSCALER_H
+
+#include "common/scummsys.h"
+#include "graphics/scaler.h"
+
+/**
+ * This filter (down)scales the source image by a factor of 1/2.
+ * For example, a 320x200 image is scaled to 160x100.
+ */
+DECLARE_SCALER(DownscaleAllByHalf);
+
+/**
+ * This filter (down)scales the source image horizontally by a factor of 1/2.
+ * For example, a 320x200 image is scaled to 160x200.
+ */
+DECLARE_SCALER(DownscaleHorizByHalf);
+
+#endif