text3d.h 4.11 KB
Newer Older
1 2 3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg           *
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library 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 Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
20
* Web site: http://cgogn.u-strasbg.fr/                                         *
21 22 23 24 25 26 27 28 29
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __TEXT_3D__
#define __TEXT_3D__

#include "Utils/GLSLShader.h"
#include "Geometry/vector_gen.h"
sylvain's avatar
sylvain committed
30

31 32 33

namespace CGoGN
{
Pierre Kraemer's avatar
merge..  
Pierre Kraemer committed
34

35 36 37
namespace Utils
{

Pierre Kraemer's avatar
merge..  
Pierre Kraemer committed
38
class Strings3D : public GLSLShader
39 40 41 42 43 44 45 46 47 48 49 50 51 52
{
protected:
    static const unsigned int WIDTHFONT = 32;

    static const unsigned int REALWIDTHFONT = 18;

    static const unsigned int WIDTHTEXTURE = 512;

    static const unsigned int HEIGHTTEXTURE = 256;

    static const unsigned int CHARSPERLINE = WIDTHTEXTURE/WIDTHFONT;

    static const unsigned int CHARSPERCOL = HEIGHTTEXTURE/WIDTHFONT;

53 54 55 56 57 58
    static std::string vertexShaderText;

    static std::string fragmentShaderText1;
    static std::string fragmentShaderText2;

    static GLuint m_idTexture;
59 60 61 62 63 64 65 66 67

	std::vector<std::string> m_strings;

	unsigned int m_nbChars;

    std::vector< std::pair<unsigned int, unsigned int> > m_strpos;

    std::vector< Geom::Vec3f > m_strTranslate;

68
    Utils::VBO* m_vbo1;
69

70
    unsigned int sendOneStringToVBO(const std::string& str, float **buffer);
71 72 73 74 75 76 77 78 79 80

    GLuint m_uniform_texture;

    GLuint m_uniform_scale;

    GLuint m_uniform_position;

    GLuint m_uniform_color;

public:
Pierre Kraemer's avatar
merge..  
Pierre Kraemer committed
81
	Strings3D(bool withBackground = true, const Geom::Vec3f& bgc = Geom::Vec3f(0));
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135

	~Strings3D();

	/**
	 * add astring
	 * @param string to add to pool of string
	 * @return the id of string for rendering
	 */
	unsigned int addString(const std::string& str);

	/**
	 * add astring with its position
	 * @param string to add to pool of string
	 * @param pos the position of text
	 * @return the id of string (future use:updating data)
	 */
	unsigned int addString(const std::string& str, const Geom::Vec3f& pos);

	/**
	 * once all string are stored, we must send it to the gracphic card
	 */
	void sendToVBO();

	/**
	 * draw on string
	 * @param idSt the id of string
	 * @param pos the position of text
	 */
	void draw(unsigned int idSt, const Geom::Vec3f& pos);

	/**
	* Draw all text stored with their position
	* @param color the color of text
	*/
	void drawAll(const Geom::Vec3f& color);

	/**
	* call once before several draw(id,pos)
	* @param color the color of text
	*/
	void predraw(const Geom::Vec3f& color);

	/**
	* call once after several draw(id,pos)
	*/
	void postdraw();

	/**
	 * set the scale for font rendering
	 * @param scale
	 */
	void setScale(float scale);

};
Pierre Kraemer's avatar
merge..  
Pierre Kraemer committed
136 137 138 139 140

} // namespace Utils

} // namespace CGoGN

141
#endif