Texture.cpp

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

// Includes
#include "Texture.h"
using namespace OpenCAL;
using namespace Utils;

/*
#include <OpenCAL/Image.h>
*/

using namespace std;


/******************************
* Constructors and destructor *
******************************/

/*
Texture::Texture()
: m_textureID(0), m_width(0), m_height(0), m_image(0)
{
}
*/

Texture::Texture(const string &filename, bool clamp)
: m_filename(filename), m_clamp(clamp)
//: m_textureID(0), m_width(0), m_height(0), m_image(0)
{
    //loadFromFile(filename);
}

Texture::~Texture()
{
/*
#ifdef USE_OPENGL
    if(m_textureID != 0)
        glDeleteTextures(1, &m_textureID);
#endif // USE_OPENGL
*/

/*
    if(m_image)
        delete m_image;
*/
}


/******************
* Other functions *
******************/

/*
void Texture::initialize(bool clamp)
{
    if(!m_image) return;

#ifdef USE_OPENGL
    if(m_textureID != 0)
        glDeleteTextures(1, &m_textureID);

    //glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
    glGenTextures(1, &m_textureID);
    glBindTexture(GL_TEXTURE_2D, m_textureID);

    // Select modulate to mix texture with color for shading
    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

    // When texture area is small, bilinear filter the closest mipmap
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);

    // When texture area is large, bilinear filter the original
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

    // The texture wraps over at the edges (repeat), or ends at the edges (clamp)
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, clamp ? GL_CLAMP : GL_REPEAT);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, clamp ? GL_CLAMP : GL_REPEAT);

    // Build our texture mipmaps
    GLenum mode;
    switch(m_image->getDepth())
    {
    case 3:
        mode = GL_RGB;
        break;
    case 4:
        mode = GL_RGBA;
        break;

    default:
        cerr << "Unknown image depth!" << endl;
    };
    gluBuild2DMipmaps(GL_TEXTURE_2D, m_image->getDepth(), m_width, m_height, mode, GL_UNSIGNED_BYTE, m_image->getData());
    //glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_width, m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_image->getData());


    //glBindTexture(GL_TEXTURE_2D, 0);
    cout << "Texture ID: " << m_textureID << endl;
#endif // USE_OPENGL

    delete m_image;
    m_image = 0;
}
*/

/*
void Texture::loadFromFile(const string &filename)
{
#ifdef USE_OPENGL
    if(m_textureID != 0)
        glDeleteTextures(1, &m_textureID);
#endif // USE_OPENGL

    if(m_image)
        delete m_image;

    m_textureID = 0;
    m_image = new Image(filename);
    m_width = m_image->getWidth();
    m_height = m_image->getHeight();
}
*/

/*
#ifdef USE_OPENGL
void Texture::bindGL()
{
    glBindTexture(GL_TEXTURE_2D, m_textureID);
}

void Texture::unbindGL()
{
    glBindTexture(GL_TEXTURE_2D, 0);
}
#endif // USE_OPENGL
*/

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