From 28c6c600d45b4ce16f13d08cfc7c9fbcc8461a63 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Mon, 8 Mar 2010 10:29:00 +0000
Subject: Move some aspect ratio related stuff to graphics/scaler/aspect.h

svn-id: r48186
---
 graphics/scaler/aspect.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 graphics/scaler/aspect.h

(limited to 'graphics/scaler/aspect.h')

diff --git a/graphics/scaler/aspect.h b/graphics/scaler/aspect.h
new file mode 100644
index 0000000000..ebe922ef00
--- /dev/null
+++ b/graphics/scaler/aspect.h
@@ -0,0 +1,63 @@
+/* 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_ASPECT_H
+#define GRAPHICS_SCALER_ASPECT_H
+
+#include "common/scummsys.h"
+
+/**
+ * TODO: explain
+ */
+FORCEINLINE int real2Aspect(int y) {
+	return y + (y + 1) / 5;
+}
+
+/**
+ * TODO: explain
+ */
+FORCEINLINE int aspect2Real(int y) {
+	return (y * 5 + 4) / 6;
+}
+
+/**
+ * TODO: explain
+ */
+void makeRectStretchable(int &x, int &y, int &w, int &h);
+
+/**
+ * TODO: explain
+ */
+int stretch200To240(uint8 *buf,
+                    uint32 pitch,
+                    int width,
+                    int height,
+                    int srcX,
+                    int srcY,
+                    int origSrcY);
+
+// TODO: Move Normal2xAspect & PocketPCLandscapeAspect here;
+// also rename the latter to Normal1xAspect
+
+#endif
-- 
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