112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
/**
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU bteral Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU bteral Public License for more details.
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*
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* You should have received a copy of the GNU bteral Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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/**
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* Copyright (C) 2001 NaN Technologies B.V.
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*/
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#ifndef __BMF_BITMAP_FONT_H
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#define __BMF_BITMAP_FONT_H
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#include "BMF_FontData.h"
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/**
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* Base class for OpenGL bitmap fonts.
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*/
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class BMF_BitmapFont
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{
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public:
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/**
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* Default constructor.
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*/
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BMF_BitmapFont(BMF_FontData* fontData);
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/**
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* Destructor.
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*/
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virtual ~BMF_BitmapFont(void);
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/**
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* Draws a string at the current raster position.
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* @param str The string to draw.
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*/
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void DrawString(const char* str);
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void DrawStringMemory(char* str);
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/**
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* Draws a string at the current raster position.
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* @param str The string to draw.
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* @return The width of the string.
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*/
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int GetStringWidth(char* str);
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/**
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* Returns the bounding box of the font. The width and
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* height represent the bounding box of the union of
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* all glyps. The minimum and maximum values of the
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* box represent the extent of the font and its positioning
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* about the origin.
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*/
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void GetBoundingBox(int & xMin, int & yMin, int & xMax, int & yMax);
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/**
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* Convert the font to a texture, and return the GL texture
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* ID of the texture. If the texture ID is bound, text can
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* be drawn using the texture by calling DrawStringTexture.
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*
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* @return The GL texture ID of the new texture, or -1 if unable
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* to create.
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*/
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int GetTexture();
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/**
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* Draw the given @a string at the point @a x, @a y, @a z, using
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* texture coordinates. This assumes that an appropriate texture
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* has been bound, see BMF_BitmapFont::GetTexture(). The string
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* is drawn along the positive X axis.
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*
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* @param string The c-string to draw.
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* @param x The x coordinate to start drawing at.
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* @param y The y coordinate to start drawing at.
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* @param z The z coordinate to start drawing at.
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*/
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void DrawStringTexture(char* string, float x, float y, float z);
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protected:
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/** Pointer to the font data. */
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BMF_FontData* m_fontData;
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};
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#endif // __BMF_BITMAP_FONT_H
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