TextureData.hh 4.11 KB
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//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
//                           www.openflipper.org
//
//-----------------------------------------------------------------------------
//
//                                License
//
//  OpenFlipper 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.
//
//  OpenFlipper 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 OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision: 5183 $
//   $Author: wilden $
//   $Date: 2009-03-03 12:51:24 +0100 (Tue, 03 Mar 2009) $
//
//=============================================================================

#include <OpenFlipper/common/perObjectData.hh>

#include <QString>
#include <GL/gl.h>
#include <vector>
#include <map>
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#include <float.h>
#include <iostream>
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enum TextureType { VERTEXBASED = 1 << 0, HALFEDGEBASED = 1 << 1};
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class TexParameters
{
  public:
    TexParameters() :
          scale ( true ),
          clamp_min ( FLT_MIN ),
          clamp_max ( FLT_MAX ),
          clamp ( false ),
          repeat ( false ),
          center ( false ),
          abs ( false ),
          max_val ( 1.0 ) {std::cerr << "Constructor for parameters" << std::endl;};

    bool scale;

    double clamp_min;
    double clamp_max;
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    bool clamp;
    bool repeat;
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    bool center;
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    bool abs;
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    double max_val;
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};

struct Texture {
  // Texture id
  int id;
  // glName
  GLuint glName;
  // Texture Name
  QString name;
  // Filename of the texture
  QString filename;
  // dimension
  uint dimension;
  // Status
  bool enabled;
  // does this texture need an update?
  bool dirty;
  // Texture Type
  uint type;
  // Parameters
  TexParameters parameters;
};

class TextureData : public PerObjectData
{

  public :

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      /// Constructor
      TextureData();
      /// Destructor
      ~TextureData();


      /// Check if a texture exists
      bool textureExists(QString _textureName);


      /// Check if a texture is enabled
      bool isEnabled(QString _textureName);


      /// Enable a given texture
      bool enableTexture(QString _textureName, bool _exclusive = false);

      /// Disable a given texture
      void disableTexture(QString _textureName);

      /// Add a Texture
      int addTexture ( QString _textureName , QString _filename , uint _dimension, GLuint _glName );

      /// Add a Texture ( Based on an existing specification )
      int addTexture ( Texture _texture, GLuint _glName );

      /*
      /// Delete a given texture
      void deleteTexture(QString _textureName);

      /// get parameters of a given texture
      TexParameters textureParameters(QString _textureName);

      /// Set Parameters for a given texture
      void setTextureParameters(QString _textureName, TexParameters _params);
      */

      /// Get the texture object
      Texture& texture(QString _textureName);

      /// Get reference to the texture vector
      std::vector< Texture >& textures();


      /// Get reference to the textureMap
      std::map< int, GLuint >* textureMap();

      /// Get reference to the propertyMap
      std::map< int, std::string >* propertyMap();

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  private :

    std::map< int, GLuint> textureMap_;
    std::map< int, std::string> propertyMap_;

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    // internal id for the next texture
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    int nextInternalID_;

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    //vector containing all textures of an object
    std::vector< Texture > textures_;

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    // Get the index of a given texture
    int getTextureIndex(QString _textureName);

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    Texture noTexture;

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};