texture.hpp

/*
    Texture.
    Copyright (C) 2015 Denis BOURGE

    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
*/

#ifndef HX3D_GRAPHICS_TEXTURE
#define HX3D_GRAPHICS_TEXTURE

#include "hx3d/utils/ptr.hpp"
#include "hx3d/utils/resource.hpp"

#include "hx3d/graphics/font.hpp"
#include "hx3d/graphics/image.hpp"
#include "hx3d/graphics/gl.hpp"

#include <string>

namespace hx3d {
namespace graphics {

class Texture: public Resource {

public:
  enum class FilterType {

    Min,
    Max,

    WrapX,
    WrapY
  };

  enum class FilterValue {

    /* Min and Max */

    Linear,
    Nearest,

    /* Min only */

    LinearMipmapLinear,
    NearestMipmapLinear,
    LinearMipmapNearest,
    NearestMipmapNearest,

    /* WrapX and WrapY */

    ClampToEdge,
    MirroredRepeat,
    Repeat
  };

  static Ptr<Texture> Blank;

  Texture();

  Texture(std::string pathToImage);

  Texture(Image& image);
  ~Texture();

  bool load(std::string pathToImage);

  void setFilter(FilterType type, FilterValue value);

  void updateZone(unsigned int x, unsigned int y, unsigned int w, unsigned int h, Uint8* data);

  unsigned int getWidth();

  unsigned int getHeight();

  GLuint getID();


  static Ptr<Texture> createColorBuffer(unsigned int width, unsigned int height);

  static void use(Ptr<Texture> texture);

  static void use(Ptr<Font> font, int characterSize);

  static void disable();

  static void generateBlankTexture();

  friend class Application;

private:
  GLuint _id;
  unsigned int _width;
  unsigned int _height;

};

} /* graphics */
} /* hx3d */

#endif