diff engine/core/video/sdl/renderbackendsdl.cpp @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children 90005975cdbb
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/video/sdl/renderbackendsdl.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,140 @@
+/***************************************************************************
+ *   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
+#include <SDL.h>
+
+// 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 "util/base/exception.h"
+#include "util/math/fife_math.h"
+#include "util/log/logger.h"
+
+#include "renderbackendsdl.h"
+#include "sdlimage.h"
+
+namespace FIFE {
+	static Logger _log(LM_VIDEO);
+
+	RenderBackendSDL::RenderBackendSDL() : RenderBackend() {
+	}
+
+
+	RenderBackendSDL::~RenderBackendSDL() {
+		deinit();
+	}
+
+	const std::string& RenderBackendSDL::getName() const {
+		static std::string backend_name = "SDL";
+		return backend_name;
+	}
+	
+	void RenderBackendSDL::init() {
+		if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
+			throw SDLException(SDL_GetError());
+
+		SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); // temporary hack
+	}
+
+	Image* RenderBackendSDL::createMainScreen(unsigned int width, unsigned int height, unsigned char bitsPerPixel, bool fs) {
+		Uint32 flags = 0;
+		if (fs) {
+			flags |= SDL_FULLSCREEN;
+		}
+
+		SDL_Surface* screen = NULL;
+
+		if( 0 == bitsPerPixel ) {
+			/// autodetect best mode
+			unsigned char possibleBitsPerPixel[] = {16, 24, 32, 0};
+			int i = 0;
+			while( true ) {
+				bitsPerPixel = possibleBitsPerPixel[i];
+				if( !bitsPerPixel ) {
+					// Last try, sometimes VideoModeOK seems to lie.
+					// Try bpp=0
+					screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
+					if( !screen ) {
+						throw SDLException("Videomode not available");
+					}
+					break;
+				}
+				bitsPerPixel = SDL_VideoModeOK(width, height, bitsPerPixel, flags);
+				if ( bitsPerPixel ) {
+					screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
+					if( screen ) {
+						break;
+					}
+				}
+				++i;
+			}
+		} else {
+			if ( !SDL_VideoModeOK(width, height, bitsPerPixel, flags) ) {
+				throw SDLException("Videomode not available");
+			}
+			screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
+		}
+		FL_LOG(_log, LMsg("RenderBackendSDL")
+			<< "Videomode " << width << "x" << height
+			<< " at " << int(screen->format->BitsPerPixel) << " bpp");
+
+		SDL_WM_SetCaption("FIFE", NULL);
+
+		if (!screen) {
+			throw SDLException(SDL_GetError());
+		}
+
+		m_screen = new SDLImage(screen);
+		return m_screen;
+	}
+
+	void RenderBackendSDL::startFrame() {
+		SDL_FillRect(m_screen->getSurface(), 0, 0x00);
+	}
+
+	void RenderBackendSDL::endFrame() {
+		SDL_Flip(m_screen->getSurface());
+	}	
+
+	Image* RenderBackendSDL::createImage(SDL_Surface* surface) {
+		return new SDLImage(surface);
+	}
+
+	Image* RenderBackendSDL::createImage(const uint8_t* data, unsigned int width, unsigned int height) {
+		return new SDLImage(data, width, height);
+	}
+	
+	bool RenderBackendSDL::putPixel(int x, int y, int r, int g, int b) {
+		return static_cast<SDLImage*>(m_screen)->putPixel(x, y, r, g, b);
+	}
+	
+	void RenderBackendSDL::drawLine(const Point& p1, const Point& p2, int r, int g, int b) {
+		static_cast<SDLImage*>(m_screen)->drawLine(p1, p2, r, g, b);
+	}
+	
+	void RenderBackendSDL::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4,  int r, int g, int b) {
+		static_cast<SDLImage*>(m_screen)->drawQuad(p1, p2, p3, p4, r, g, b);
+	}
+}