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CGoGN
Commit 47c6a626 authored by Kenneth Vanhoey's avatar Kenneth Vanhoey
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rm texture.h*

parent 19782a24
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include/Utils/texture.h deleted 100644 → 0
View file @ 19782a24
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg *
* *
* 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. *
* *
* Web site: http://cgogn.u-strasbg.fr/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#ifndef TEXTURE_RENDER
#define TEXTURE_RENDER
#include <GL/gl.h>
#include <IL/ilu.h>
/**
* A set of function that allow the creation of rendering
* object using Vertex-Buffer-Object.
* Function are made for dual-2-map and can be used on
* any subset of a dual-N-map which is a 2-map
*/
namespace CGoGN
{
namespace Utils
{
template <typename T>
class Texture
{
protected:
/**
* buffer of texture image
*/
T *m_data;
/**
* width of texture
*/
int m_width;
/**
* height of image
*/
int m_height;
/**
* number of component by pixel
*/
int m_cpp;
/**
* name of DevIL image
*/
ILuint m_ilName;
/**
* name of OGL texture
*/
GLuint m_texName;
/**
* uniform variable for texture name in shader
*/
GLuint m_uniform_tex;
public:
/**
* constructor
*/
Texture();
/**
* constructor
*/
~Texture();
/**
* constructor from image filename
* @param filename name of an image file (all format accepted: png, jpg, ....)
*/
Texture( std::string fileName);
/**
* constructor from data
* @param prt pointer on data
* @param w width in pixels
* @param h height in pixels
* @param cpp cnumber of components per pixel
*/
Texture( T* ptr, int w, int h, int cpp);
/**
* loaf an image filename
* @param filename name of an image file (all format accepted: png, jpg, ....)
*/
void load( std::string fileName);
/**
* set data
* @param prt pointer on data
* @param w width in pixels
* @param h height in pixels
* @param cpp cnumber of components per pixel
*/
void setData( T* ptr, int w, int h, int cpp);
/**
* get the width of texture
* @return width of texture
*/
int getWidth() { return m_width; }
/**
* get the height of texture
* @return height of texture
*/
int getHeight() { return m_height; }
/**
* get the number of component per pixel
* @return component per pixel
*/
int getCPP() { return m_cpp; }
/**
* get a pointer on texture image
*/
T* getPtr() { return m_data; }
/**
* get texture name
*/
GLuint getTextureName() { return m_texName; }
/**
* initialisation GL
* @param filter filter parameter GL_NEAREST,GL_LINEAR,...
* @param format format of texture GL_RGB,GL_RGBA,GL_LUMINANCE,...
* @param prg shader program handler
*/
void initGL(GLint filter, GLenum format, const char* uniformName, GLuint prg);
/**
* fonction to call before drawing
* @param textureEngineIndex index of multitexture engine (0,1, ...
*/
void useGL(unsigned int textureEngineIndex);
};
} // namespace utils
} // namespace CGoGN
#include "texture.hpp"
#endif
include/Utils/texture.hpp deleted 100644 → 0
View file @ 19782a24
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps *
* version 0.1 *
* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg *
* *
* 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. *
* *
* Web site: http://cgogn.u-strasbg.fr/ *
* Contact information: cgogn@unistra.fr *
* *
*******************************************************************************/
#include <vector>
#include <typeinfo>
#include "Utils/os_spec.h"
namespace CGoGN
{
namespace Utils
{
template<typename T>
Texture<T>::Texture()
{
m_data = NULL;
m_width = 0;
m_height = 0;
m_cpp = 0;
m_ilName = 0;
m_texName = 0;
}
template<typename T>
Texture<T>::Texture(std::string fileName)
{
ilInit();
iluInit();
ilOriginFunc(IL_ORIGIN_LOWER_LEFT);
ilEnable(IL_ORIGIN_SET);
ilGenImages(1,&m_ilName);
ilBindImage(m_ilName);
ilLoadImage(fileName.c_str());
// get the info of image
m_width = ilGetInteger(IL_IMAGE_WIDTH);
m_height = ilGetInteger(IL_IMAGE_HEIGHT);
m_cpp = ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL) / sizeof(T);
m_data = reinterpret_cast<T*>(ilGetData());
m_texName = 0;
}
template<typename T>
Texture<T>::Texture( T* ptr, int w, int h, int cpp)
{
m_data = new T[w*h*cpp];
m_width = w;
m_height = h;
m_cpp = cpp;
m_ilName = 0;
m_texName = 0;
}
template<typename T>
void Texture<T>::load( std::string fileName)
{
if (m_ilName !=0)
ilDeleteImages(1,&m_ilName);
else if(m_data !=0)
delete[] m_data;
if (m_texName != 0)
glDeleteTextures( 1, &m_texName );
ilInit();
iluInit();
ilOriginFunc(IL_ORIGIN_LOWER_LEFT);
ilEnable(IL_ORIGIN_SET);
ilGenImages(1,&m_ilName);
ilBindImage(m_ilName);
ilLoadImage(fileName.c_str());
// get the info of image
m_width = ilGetInteger(IL_IMAGE_WIDTH);
m_height = ilGetInteger(IL_IMAGE_HEIGHT);
m_cpp = ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL) / sizeof(T);
m_data = reinterpret_cast<T*>(ilGetData());
m_texName = 0;
}
template<typename T>
void Texture<T>::setData( T* ptr, int w, int h, int cpp)
{
if (m_ilName !=0)
ilDeleteImages(1,&m_ilName);
else if(m_data !=0)
delete[] m_data;
if (m_texName != 0)
glDeleteTextures( 1, &m_texName );
m_data = new T[w*h*cpp];
m_width = w;
m_height = h;
m_cpp = cpp;
m_ilName = 0;
m_texName = 0;
}
template<typename T>
Texture<T>::~Texture()
{
if (m_ilName != 0)
ilDeleteImages(1, &m_ilName);
else if(m_data != 0)
delete[] m_data;
if (m_texName != 0)
glDeleteTextures( 1, &m_texName );
}
template<typename T>
void Texture<T>::initGL(GLint filter, GLenum format, const char* uniformName, GLuint prg)
{
// allocate a texture name
glGenTextures(1, &m_texName );
// select our current texture
glBindTexture(GL_TEXTURE_2D, m_texName);
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter );
// glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
// glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
GLenum ptype;
if (typeid(T) == typeid(unsigned char))
ptype = GL_UNSIGNED_BYTE;
if (typeid(T) == typeid(unsigned short))
ptype = GL_UNSIGNED_SHORT;
if (typeid(T) == typeid(unsigned int))
ptype = GL_UNSIGNED_INT;
if (typeid(T) == typeid(float))
ptype = GL_FLOAT;
switch(format)
{
case GL_RGB:
if (m_cpp != 3)
CGoGNout << "Warning using GL_RGB with image not in RGB format"<<CGoGNendl;
break;
case GL_LUMINANCE:
if (m_cpp != 1)
CGoGNout << "Warning using GL_LUMINANCE with image not in grey level format"<<CGoGNendl;
break;
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D (GL_TEXTURE_2D, 0, m_cpp, m_width, m_height, 0 , format, ptype, m_data);
// glTexImage2D (GL_TEXTURE_2D, 0, m_cpp, m_width, m_height, 0 , GL_RGB, GL_UNSIGNED_BYTE , m_data);
m_uniform_tex=glGetUniformLocationARB(prg,uniformName);
}
template<typename T>
void Texture<T>::useGL(unsigned int textureEngineIndex)
{
glActiveTextureARB(GL_TEXTURE0_ARB + textureEngineIndex);
glUniform1iARB(m_uniform_tex, textureEngineIndex);
glBindTexture(GL_TEXTURE_2D, m_texName);
glEnable(GL_TEXTURE_2D);
}
} // namespace Utils
} // namespace CGoGN
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