--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/video/renderbackend.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,123 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2008 by the FIFE team                              *
+ *   http://www.fifengine.de                                               *
+ *   This file is part of FIFE.                                            *
+ *                                                                         *
+ *   FIFE 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 St, Fifth Floor, Boston, MA  02110-1301  USA              *
+ ***************************************************************************/
+
+// Standard C++ library includes
+
+// 3rd party library includes
+
+// FIFE includes
+// These includes are split up in two parts, separated by one empty line
+// First block: files included from the FIFE root src directory
+// Second block: files included from the same folder
+#include "renderbackend.h"
+
+namespace FIFE {
+	
+	const unsigned int DEFAULT_CHUNKING_SIZE = 256;
+	const unsigned int MAX_CHUNKING_SIZE = 262144;  // pixels!
+	
+	RenderBackend::RenderBackend(): 
+		m_screen(NULL), m_isalphaoptimized(false), m_chunkingsize(DEFAULT_CHUNKING_SIZE) {
+	}
+
+
+	RenderBackend::~RenderBackend() {
+	}
+
+	void RenderBackend::deinit() {
+		delete m_screen;
+		m_screen = NULL;
+		SDL_QuitSubSystem(SDL_INIT_VIDEO);
+	}
+
+	void RenderBackend::captureScreen(const std::string& filename) {
+		m_screen->saveImage(filename);
+	}
+	
+	void RenderBackend::pushClipArea(const Rect& cliparea, bool clear) {
+		assert(m_screen);
+		m_screen->pushClipArea(cliparea, clear);
+        }
+	
+	void RenderBackend::popClipArea() {
+		assert(m_screen);
+		m_screen->popClipArea();
+	}
+	
+	const Rect& RenderBackend::getClipArea() const {
+		assert(m_screen);
+		return m_screen->getClipArea();
+	}
+	
+	SDL_Surface* RenderBackend::getSurface() {
+		assert(m_screen);
+		return m_screen->getSurface();
+	}
+	
+	unsigned int RenderBackend::getWidth() const {
+		assert(m_screen);
+		return m_screen->getWidth();
+	}
+	
+	unsigned int RenderBackend::getHeight() const {
+		assert(m_screen);
+		return m_screen->getHeight();
+	}
+	
+	const Rect& RenderBackend::getArea() {
+		assert(m_screen);
+		return m_screen->getArea();
+	}
+	
+	void RenderBackend::getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) {
+		assert(m_screen);
+		m_screen->getPixelRGBA(x, y, r, g, b, a);
+	}
+	
+	void RenderBackend::saveImage(const std::string& filename) {
+		assert(m_screen);
+		m_screen->saveImage(filename);
+	}
+	
+	void RenderBackend::setAlphaOptimizerEnabled(bool enabled) {
+		assert(m_screen);
+		m_screen->setAlphaOptimizerEnabled(enabled);
+	}
+	
+	bool RenderBackend::isAlphaOptimizerEnabled() {
+		assert(m_screen);
+		return m_screen->isAlphaOptimizerEnabled();
+	}
+	
+	void RenderBackend::setChunkingSize(unsigned int size) {
+		if (size > MAX_CHUNKING_SIZE) {
+			size = MAX_CHUNKING_SIZE;
+		}
+		m_chunkingsize = 1;
+		while (m_chunkingsize < size) {
+			m_chunkingsize <<= 1;
+		}
+	}
+	
+	unsigned int RenderBackend::getChunkingSize() {
+		return m_chunkingsize;
+	}
+}