/*
 * Copyright (c) 2004  Kazunori "jagarl" Ueno
 * Copyright (c) 2000, 2001 Yuki Sawada
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *	notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *	notice, this list of conditions and the following disclaimer in the
 *	documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *	derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __FONT_TYPES_H__
#define __FONT_TYPES_H__

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#include <vector>

class TextHorizLayout;
class TextStream;
class TextGlyphStream;

namespace XKFont {
	class Font;
	class Face;
	class Peer;
	class Glyph;
	class Cache;

	struct Font {
		public:
			Font(const char* fontname, int size);
			~Font();
			Face* FaceLoad(double scale);
			int vsize;
		private:
			class FontImpl* pimpl;
	};

	struct Face {
		public:
			Face(const char *name, int index, int hsize, int vsize);
			~Face();
			Glyph* GlyphLoad(unsigned int code);

		private:
			Cache* cache;
			typedef std::vector<Peer*>::iterator iterator;
			std::vector<Peer*> peer;
	};

	struct Peer {
		public:
			Peer(void) {}
			virtual ~Peer() {};
			virtual bool GlyphCreate(unsigned int code, Glyph* glyph) = 0;
	};

	struct Glyph {
		public:
			struct _bitmap {
				int width;
				int rows;
				unsigned char *buffer;
				_bitmap() : buffer(0) {}
				~_bitmap() { delete[] buffer;}
			} bitmap;
#if 0
			struct _metrics {
				int ascender;
				int descender;
			} metrics;
#endif
			struct _advance {
				int x;
				int y;
			} advance;

			Glyph() : bitmap() {}
			~Glyph() {}
			int bitmap_left;
			int bitmap_top;
	};

	struct HorizLayout {
		public:
			HorizLayout(const char* fontname, int size);
			~HorizLayout();
			void Layout(::TextStream& stream, ::TextGlyphStream& glyph, std::vector<int>& lineheights, int width);
			::TextGlyphStream Layout(const char* str, int width, int r=0xff, int g=0xff, int b=0xff);
		private:
			Font* font;
			class ::TextHorizLayout* pimpl;
	};

} /* end of namespace XKFont */

#endif