# cee::geo::EffectTexture

class `EffectTexture` : public Effect

  Effect describing the texture to be used when drawing the associated part data.

  May be overridden by the following effects if found further up the stack:

  - EffectColor
  - EffectFrontAndBackColor (Triangle based Data only)
  - Any other EffectTexture

  Supported by the following part data:

  - DataIndexedPolylines
  - DataIndexedTriangles
  - DataTriangleFan
  - DataTriangleStrip
  - DataPoints

  See also

  Part, Effect, and PartSettings

  Public Types

  enum `SamplerWrapMode`

    Specifies what should happen to texture coordinates that are outside the 0 to 1 range.

    Values:

    enumerator `REPEAT`

      The integer part of the coordinate will be ignored and a repeating pattern is formed.

    enumerator `CLAMP_TO_EDGE`

      The texture coordinates will be clamped into the range 0 to 1.

    enumerator `CLAMP_TO_BORDER`

      The coordinates that fall outside the 0 to 1 range will be given the borderColor().

    enumerator `MIRRORED_REPEAT`

      The texture will also be repeated, but it will be mirrored when the integer part of the coordinate is odd.

  enum `SamplerFilter`

    Specifies the minifying and magnification filtering used when doing the texture mapping.

    Values:

    enumerator `NEAREST`

      Nearest neighbor filtering on the base MipMap level. Texture will look blocky when zoom into.

    enumerator `LINEAR`

      Linear filtering on the base MipMap level. (Default magnification filter in OpenGL). Texture will look blurry when zoomed into.

    enumerator `NEAREST_MIPMAP_NEAREST`

      Selects nearest MipMap level and performs nearest neighbor filtering.

    enumerator `LINEAR_MIPMAP_NEAREST`

      Selects nearest MipMap level and performs linear filtering.

    enumerator `NEAREST_MIPMAP_LINEAR`

      Perform linear interpolation between MipMap levels and perform nearest neighbor filtering. (Default minifying filter in OpenGL).

    enumerator `LINEAR_MIPMAP_LINEAR`

      Perform linear interpolation between MipMap levels and perform linear filtering (trilinear mipmapping).

  Public Functions

  `EffectTexture`()

    Constructs an empty effect.

  `EffectTexture`(const Image *textureImage)

    Constructs a texture effect with the given image.

  virtual Type `type`() const

    Returns Effect::TEXTURE.

  virtual PtrRef<Effect> `clone`()

    Clones the effect.

  const Image *`image`() const

    Returns the image used to texture the part.

  void `setImage`(const Image *textureImage)

    Specifies the image used to texture the part.

  SamplerWrapMode `samplerWrapMode`() const

    Returns the wrapping mode to use for textures when the texture coordinate is outside the 0 to 1 range.

    See also

    setSamplerWrapMode

  void `setSamplerWrapMode`(SamplerWrapMode wrapMode)

    Specifies what should happen to texture coordinates that are outside the 0 to 1 range.

    The SamplerWrapMode defines how to handle texture coordinates that are outside the 0 to 1 range.

    The default value is EffectTexture::REPEAT.

  SamplerFilter `samplerMinifyingFilter`() const

    Returns the minifying filter function used for the texture mapping.

    See also

    setSamplerMinifyingFilter

  void `setSamplerMinifyingFilter`(SamplerFilter filterType)

    Specifies the minifying filter function to use in the texture sampler when doing texture mapping.

    The texture coordinates are independent of the texture resolution. This method specifies what do when the texture is minified, i.e. getting a smaller resolution in pixels on the screen than the original image.

    The default value is EffectTexture::LINEAR_MIPMAP_LINEAR

  SamplerFilter `samplerMagnificationFilter`() const

    Returns the magnification filter function used for the texture mapping.

    See also

    setSamplerMinifyingFilter

  void `setSamplerMagnificationFilter`(SamplerFilter filterType)

    Specifies the magnify filter function to use in the texture sampler when doing texture mapping.

    The texture coordinates are independent of the texture resolution. This method specifies what do when the texture is magnified, i.e. getting a bigger resolution in pixels on the screen than the original image. There are two options: LINEAR will do a weighted average of the 4 pixels surrounding the given coordinates. NEAREST will just pick the pixel closest to the coordinates.

    The default value is EffectTexture::LINEAR.

    Note! Legal values: EffectTexture::LINEAR or EffectTexture::NEAREST.

  Color4f `borderColor`() const

    Returns the border color to use when wrapping is set to CLAMP_TO_BORDER.

    See also

    setBorderColor

  void `setBorderColor`(const Color4f &color)

    Sets the border color to use when wrapping is set to CLAMP_TO_BORDER.

    Any pixel with a texture coordinate outside the 0 to 1 range will get this color.

  float `ambientIntensity`() const

    Returns the ambient intensity of the color.

    1.0f is max intensity 0.0f is min intensity

    Note! Ignored for OpenGL Fixed Function pipeline

    See also

    setAmbientIntensity

  void `setAmbientIntensity`(float intensity)

    Specifies the ambient intensity of the color.

    1.0f is max intensity 0.0f is min intensity

    Note! Ignored for OpenGL Fixed Function pipeline

    See also

    ambientIntensity

  float `specularIntensity`() const

    Returns the specular intensity of the color.

    1.0f is max intensity 0.0f is min intensity

    Note! Ignored for OpenGL Fixed Function pipeline

    See also

    setSpecularIntensity

  void `setSpecularIntensity`(float intensity)

    Specifies the specular intensity of the color.

    1.0f is max intensity 0.0f is min intensity

    Note! Ignored for OpenGL Fixed Function pipeline

    See also

    specularIntensity

  Public Static Functions

  static PtrRef<EffectTexture> `createResultMapping`(const Image *textureImage)

    Creates a texture effect that is suitable to use with a ScalarMapper.

    The method creates an EffectTexture and then configures the following settings:

    - setSamplerMinifyingFilter(cee::geo::EffectTexture::NEAREST)
    - setSamplerMagnificationFilter(cee::geo::EffectTexture::NEAREST)
    - setSamplerWrapMode(cee::geo::EffectTexture::CLAMP_TO_EDGE)
    - setSpecularIntensity(0.1f)

    See also

    ScalarMapper and ScalarMapperContinuousDomain

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