LASTEXPRESS: Merge in the engine.

svn-id: r53579

1 files changed, 76 insertions, 0 deletions

diff --git a/engines/lastexpress/graphics.h b/engines/lastexpress/graphics.h
new file mode 100644
index 0000000000..5231d00f6f
--- /dev/null
+++ b/engines/lastexpress/graphics.h
@@ -0,0 +1,76 @@
+/* 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 LASTEXPRESS_GRAPHICS_H
+#define LASTEXPRESS_GRAPHICS_H
+
+#include "lastexpress/drawable.h"
+
+namespace LastExpress {
+
+class GraphicsManager {
+public:
+	enum BackgroundType {
+		kBackgroundA,
+		kBackgroundC,
+		kBackgroundOverlay,
+		kBackgroundInventory,
+		kBackgroundAll
+	};
+
+	GraphicsManager();
+	~GraphicsManager();
+
+	// Update the screen
+	void update();
+
+	// Signal a change to the screen, will cause the planes to be remerged
+	void change();
+
+	// Clear some screen parts
+	void clear(BackgroundType type);
+	void clear(BackgroundType type, const Common::Rect &rect);
+
+	// FIXME this is there for animation until we change it to use the graphic surface here instead of its private ones.
+	Graphics::Surface _screen;      // Actual screen surface
+
+	bool draw(Drawable *drawable, BackgroundType type, bool transition = false);
+
+private:
+	Graphics::Surface _backgroundA; // Background A
+	Graphics::Surface _backgroundC; // Background C
+	Graphics::Surface _overlay;     // Overlay
+	Graphics::Surface _inventory;   // Overlay
+
+	void mergePlanes();
+	void updateScreen();
+	Graphics::Surface *getSurface(BackgroundType type);
+
+	bool _changed;
+};
+
+} // End of namespace LastExpress
+
+#endif // LASTEXPRESS_GRAPHICS_H