Documentation update

addons/material_maker/doc/node_filter_brightness_contrast.rst

@@ -0,0 +1,32 @@
+BrightnessContrast node
+~~~~~~~~~~~~~~~~~~~~~~~
+
+The **BrightnessContrast** node adjusts the brightness and contrast of the input image.
+
+.. image:: images/node_brightness_contrast.png
+	:align: center
+
+Inputs
+++++++
+
+The **BrightnessContrast** node accepts an RGBA input texture.
+
+Outputs
++++++++
+
+The **BrightnessContrast** node provides a single RGBA texture.
+
+Parameters
+++++++++++
+
+The **BrightnessContrast** node has the following parameters:
+
+* *Brightness* defines how brightness is affected.
+
+* *Contrast* defines how the contrast is affected.
+
+Example images
+++++++++++++++
+
+.. image:: images/node_brightness_contrast_samples.png
+	:align: center

addons/material_maker/doc/node_filter_combine.rst

@@ -9,7 +9,7 @@ The **Combine** node combines four greyscale inputs into an RGBA output texture.
 Inputs
 ++++++
 
-The combi**Combine**ne node has 3 inputs, one for each (red, green and blue) channel.
+The **Combine** node has 3 inputs, one for each (red, green and blue) channel.
 
 Outputs
 +++++++

addons/material_maker/doc/node_filter_invert.rst

@@ -0,0 +1,29 @@
+Invert node
+~~~~~~~~~~~
+
+The **Invert** node inverts the input image. The R, G and B channel are inverted, and the A channel
+is left untouched.
+
+.. image:: images/node_invert.png
+	:align: center
+
+Inputs
+++++++
+
+The **Invert** node requires an RGBA input texture.
+
+Outputs
++++++++
+
+The **Invert** node provides a single RGBA texture.
+
+Parameters
+++++++++++
+
+The **Invert** node does not have any parameter.
+
+Example images
+++++++++++++++
+
+.. image:: images/node_invert_samples.png
+	:align: center

addons/material_maker/doc/node_filter_quantize.rst

@@ -0,0 +1,28 @@
+Quantize node
+~~~~~~~~~~~~~~~~~~~~~~~
+
+The **Quantize** node approximates the colors of the input image.
+
+.. image:: images/node_quantize.png
+	:align: center
+
+Inputs
+++++++
+
+The **Quantize** node accepts an RGBA input texture.
+
+Outputs
++++++++
+
+The **Quantize** node provides a single RGBA texture.
+
+Parameters
+++++++++++
+
+The **Quantize** node accepts the *number of steps* as parameter.
+
+Example images
+++++++++++++++
+
+.. image:: images/node_quantize_samples.png
+	:align: center

addons/material_maker/doc/nodes_filter.rst

@@ -6,6 +6,8 @@ The filter nodes accept one or several inputs and generate one or several images
 .. toctree::
 	:maxdepth: 1
 
+	node_filter_invert
+	node_filter_brightness_contrast
 	node_filter_adjust_hsv
 	node_filter_colorize
 	node_filter_combine
@@ -16,3 +18,4 @@ The filter nodes accept one or several inputs and generate one or several images
 	node_filter_emboss
 	node_filter_normal_map
 	node_filter_occlusion
+	node_filter_quantize