/*
*	DSFML - SFML Library wrapper for the D programming language.
*	Copyright (C) 2008 Julien Dagorn (sirjulio13@gmail.com)
*	Copyright (C) 2010 Andreas Hollandt
*
*	This software is provided 'as-is', without any express or
*	implied warranty. In no event will the authors be held
*	liable for any damages arising from the use of this software.
*
*	Permission is granted to anyone to use this software for any purpose,
*	including commercial applications, and to alter it and redistribute
*	it freely, subject to the following restrictions:
*
*	1.  The origin of this software must not be misrepresented;
*		you must not claim that you wrote the original software.
*		If you use this software in a product, an acknowledgment
*		in the product documentation would be appreciated but
*		is not required.
*
*	2.  Altered source versions must be plainly marked as such,
*		and must not be misrepresented as being the original software.
*
*	3.  This notice may not be removed or altered from any
*		source distribution.
*/

module dsfml.graphics.font;

import	dsfml.system.common,
		dsfml.system.exception,
		dsfml.system.stringutil;

import	dsfml.graphics.common,
		dsfml.graphics.rect;


/// Glyph describes a glyph (a visual character)
struct Glyph
{
	int			Advance;	/// Offset to move horizontically to the next character
	IntRect		Rectangle;	/// Bounding rectangle of the glyph, in relative coordinates
	FloatRect	TexCoords;	/// Texture coordinates of the glyph inside the bitmap font
}

/**
*	Font is the low-level class for loading and
*	manipulating character fonts.
*/
class Font : DSFMLObject
{
private:
	static Font s_default;
public:

	/**
	*	Get SFML default built-in font (Arial)
	*/		
	static Font getDefaultFont()
	{
		if (s_default is null)
			s_default = new Font(sfFont_GetDefaultFont());			
		return s_default;
	}

	/**
	*	construct the Font from a file
	*	
	*	Params:
	*		filename = font file to load
	*/		
	this(string filename)
	{
		if (filename is null || filename.length == 0)
			throw new LoadingException("LoadingException : Filename is invalid.");

		super(sfFont_CreateFromFile(toStringz(filename)));
	}
	
	/**
	*	construct the Font from a file in memory
	*	
	*	Params:
	*		data = data to load	
	*/			
	this(ubyte[] data)
	{
		if (data is null || data.length == 0)
			throw new Exception("LoadingException : Memory stream is invalid.");

		super(sfFont_CreateFromMemory(data.ptr, data.length));
	}

	
	override void dispose()
	{
		sfFont_Destroy(m_ptr);
	}


package:

	this(void* ptr)
	{
		super(ptr, true);
	}
}