love / src / modules / font / GlyphData.h

/**
 * Copyright (c) 2006-2013 LOVE Development Team
 *
 * 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.
 **/

#ifndef LOVE_FONT_GLYPH_DATA_H
#define LOVE_FONT_GLYPH_DATA_H

// LOVE
#include "common/config.h"
#include "common/Data.h"

namespace love
{
namespace font
{

/**
 * Holds the specific glyph data.
 **/
struct GlyphMetrics
{
	int height;
	int width;
	int advance;
	int bearingX;
	int bearingY;
	int spacing;
};

/**
 * Holds data for a specic glyph object.
 **/
class GlyphData : public Data
{

public:
	enum Format
	{
		FORMAT_LUMINANCE_ALPHA,
		FORMAT_RGBA
	};

	GlyphData(unsigned int glyph, GlyphMetrics glyphMetrics, Format f);
	virtual ~GlyphData();

	// Implements Data.
	void *getData() const;
	int getSize() const;

	/**
	 * Gets the height of the glyph.
	 **/
	virtual int getHeight() const;

	/**
	 * Gets the width of the glyph.
	 **/
	virtual int getWidth() const;

	/**
	 * Gets the glyph itself.
	 **/
	unsigned int getGlyph() const;

	/**
	 * Gets the advance (the space the glyph takes up) of the glyph.
	 **/
	int getAdvance() const;

	/**
	 * Gets bearing (the spacing from origin) along the x-axis of the glyph.
	 **/
	int getBearingX() const;

	/**
	 * Gets bearing (the spacing from origin) along the y-axis of the glyph.
	 **/
	int getBearingY() const;

	/**
	 * Gets the min x value of the glyph.
	 **/
	int getMinX() const;

	/**
	 * Gets the min y value of the glyph.
	 **/
	int getMinY() const;

	/**
	 * Gets the max x value of the glyph.
	 **/
	int getMaxX() const;

	/**
	 * Gets the max y value of the glyph.
	 **/
	int getMaxY() const;

	/**
	 * Gets the format of the glyph data.
	 **/
	Format getFormat() const;

private:
	// The glyph itself
	unsigned int glyph;

	// Glyph metrics
	GlyphMetrics metrics;

	// Glyph texture data
	unsigned char *data;

	// The format the data's in
	Format format;

}; // GlyphData

} // font
} // love

#endif // LOVE_FONT_GLYPH_DATA_H
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