--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/video/fonts/subimagefont.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,139 @@
+/***************************************************************************
+ *   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
+#include <string>
+
+// Platform specific includes
+#include "util/base/fife_stdint.h"
+
+// 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/log/logger.h"
+#include "util/structures/rect.h"
+#include "video/image.h"
+#include "video/renderbackend.h"
+#include "video/imagepool.h"
+
+#include "subimagefont.h"
+
+namespace FIFE {
+	static Logger _log(LM_GUI);
+
+	SubImageFont::SubImageFont(const std::string& filename, const std::string& glyphs, ImagePool& pool) 
+		: ImageFontBase(), m_pool(pool) {
+
+		FL_LOG(_log, LMsg("guichan_image_font, loading ") << filename << " glyphs " << glyphs);
+
+		int image_id = m_pool.addResourceFromFile(filename);
+		Image& img = dynamic_cast<Image&>(m_pool.get(image_id));
+		SDL_Surface* surface = img.getSurface();
+
+		if( !surface ) {
+			throw CannotOpenFile(filename);
+		}
+
+		// Make sure we get 32bit RGB
+		// and copy the Pixelbuffers surface
+		SDL_Surface *tmp = SDL_CreateRGBSurface(SDL_SWSURFACE,
+			surface->w,surface->h,32,
+			RMASK, GMASK, BMASK ,NULLMASK);
+
+		SDL_BlitSurface(surface,0,tmp,0);
+		surface = tmp;
+
+		// Prepare the data for extracting the glyphs.
+		uint32_t *pixels = reinterpret_cast<uint32_t*>(surface->pixels);
+
+		int x, w;
+		x = 0; w=0;
+
+		SDL_Rect src;
+
+		src.h = surface->h;
+		src.y = 0;
+
+		uint32_t separator = pixels[0];
+		while(x < surface->w && pixels[x] == separator)
+			++x;
+		uint32_t colorkey = pixels[x];
+
+		FL_DBG(_log, LMsg("image_font")
+			<< " glyph separator is " 
+			<< pprint(reinterpret_cast<void*>(separator))
+			<< " transparent color is " 
+			<< pprint(reinterpret_cast<void*>(colorkey)));
+
+		// Disable alpha blending, so that we use colorkeying
+		SDL_SetAlpha(surface,0,255);
+		SDL_SetColorKey(surface,SDL_SRCCOLORKEY,colorkey);
+
+		// Finally extract all glyphs
+		for(size_t i=0; i != glyphs.size(); ++i) {
+			w=0;
+			while(x < surface->w && pixels[x] == separator)
+				++x;
+			if( x == surface->w )
+				break;
+
+			while(x + w < surface->w && pixels[x + w] != separator)
+				++w;
+
+			src.x = x;
+			src.w = w;
+
+			tmp = SDL_CreateRGBSurface(SDL_SWSURFACE,
+					w,surface->h,32,
+					RMASK, GMASK, BMASK ,NULLMASK);
+
+			SDL_FillRect(tmp,0,colorkey);
+			SDL_BlitSurface(surface,&src,tmp,0);
+
+			// Disable alpha blending, so that we use colorkeying
+			SDL_SetAlpha(tmp,0,255);
+			SDL_SetColorKey(tmp,SDL_SRCCOLORKEY,colorkey);
+
+
+			m_glyphs[ glyphs[i] ].surface = tmp;
+
+			x += w;
+		}
+
+		// Set placeholder glyph
+		if( m_glyphs.find('?') != m_glyphs.end() ) {
+			m_placeholder = m_glyphs['?'];
+		} else {
+			m_placeholder.surface = 0;
+		}
+
+		mHeight = surface->h;
+		SDL_FreeSurface(surface);
+	}
+
+
+}
+