/usr/include/tulip/GlTextureManager.h is in libtulip-dev 4.4.0dfsg2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip 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 3
* of the License, or (at your option) any later version.
*
* Tulip 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 General Public License for more details.
*
*/
///@cond DOXYGEN_HIDDEN
#ifndef Tulip_GLTEXTUREMANAGER_H
#define Tulip_GLTEXTUREMANAGER_H
#include <tulip/tulipconf.h>
#if defined(_MSC_VER)
#include <Windows.h>
#endif
#if defined(__APPLE__)
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif
#include <set>
#include <map>
#include <string>
#include <stdint.h>
namespace tlp {
struct GlTexture {
GLuint *id;
int height;
int width;
unsigned int spriteNumber;
};
/** \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<uintptr_t,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(uintptr_t context);
/**
* Remove all textures of an OpenGl context and remove this context
*/
void removeContext(uintptr_t context);
/**
* Return texture info (id, width and height) for the given name
*/
GlTexture getTextureInfo(const std::string&);
/**
* Check if a texture fo the given name exists in the current context
*/
bool existsTexture(const std::string& filename);
/**
* 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&,unsigned int);
/**
* Activate a texture with given name
*/
bool activateTexture(const std::string&);
/**
* Disable texture with given name
*/
void desactivateTexture();
/**
* Set animationStep for next textures (for next activateTexture)
*/
void setAnimationFrame(unsigned int id) {
animationFrame=id;
}
/**
* Get animationStep of next textures
*/
unsigned int getAnimationFrame() {
return animationFrame;
}
/**
* Clear vector of textures with error
*/
void clearErrorVector() {
texturesWithError.clear();
}
/**
* Remove an entry of vector of textures with error
*/
void removeEntryOfErrorVector(const std::string &name) {
texturesWithError.erase(name);
}
/**
* Register an external texture is GlTextureManager
*/
void registerExternalTexture(const std::string &textureName, const GLuint textureId);
private:
/**
* empty private constructor for singleton
*/
GlTextureManager();
static GlTextureManager* inst;
uintptr_t currentContext;
ContextAndTextureMap texturesMap;
std::set<std::string> texturesWithError;
unsigned int animationFrame;
};
}
#endif // Tulip_GLTEXTUREMANAGER_H
///@endcond
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