/usr/include/tulip/GlTextureManager.h is in libtulip-ogl-dev 3.1.2-2.3ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
Authors: David Auber, Patrick Mary, Morgan Mathiaut
from the LaBRI Visualization Team
Email : auber@tulip-software.org
Last modification : 13/03/2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
*/
#ifndef Tulip_GLTEXTUREMANAGER_H
#define Tulip_GLTEXTUREMANAGER_H
#include <map>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <tulip/tulipconf.h>
#include <cassert>
#if defined(__APPLE__)
#include <OpenGL/glu.h>
#else
#include <GL/glu.h>
#endif
#include <string>
namespace tlp {
struct GlTexture {
GLuint id;
int height;
int width;
};
/** \brief Class to manage textures
* Singleton class to load/store textures need by OpenGL rendering
*/
class TLP_GL_SCOPE GlTextureManager {
typedef std::map<std::string,GlTexture> TextureUnit;
typedef std::map<unsigned long,TextureUnit> ContextAndTextureMap;
public:
/**
* Create the texture manager singleton
*/
static void createInst();
/**
* Return the texture manager singleton, il singleton doesn't exist this function create it
*/
static GlTextureManager &getInst() {
if(!inst)
inst=new GlTextureManager();
return *inst;
}
/**
* Change the current OpenGl context (each OpenGl window have a different OpenGl context)
*/
void changeContext(unsigned long context);
/**
* Remove all textures of an OpenGl context and remove this context
*/
void removeContext(unsigned long context);
/**
* Return texture info (id, width and height) for the given name
*/
GlTexture getTextureInfo(const std::string&);
/**
* Load texture with textureName from Raw data
*/
bool loadTextureFromRawData(const std::string &textureName, int width, int height, bool hasAlpha, unsigned char *data);
/**
* Load texture with given name
*/
bool loadTexture(const std::string&);
/**
* Remove texture with given name
*/
void deleteTexture(const std::string &);
/**
* Begin a new texture with given name
*/
void beginNewTexture(const std::string&);
/**
* Activate a texture with given name
*/
bool activateTexture(const std::string&);
/**
* Disable texture with given name
*/
void desactivateTexture();
private:
/**
* empty private constructor for singleton
*/
GlTextureManager() {}
static GlTextureManager* inst;
unsigned long currentContext;
ContextAndTextureMap texturesMap;
};
}
#endif // Tulip_GLTEXTUREMANAGER_H
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