Texture

Use texture check-button– turns on texture effect.

Rand offset check-button – offsets the texture coordinates with random amount with every new stroke

Rand scale check-button – scales the texture with random amount with every new stroke

Invert check-button inverts texture image

 

For choosing texture click on its thumbnail. Use mouse wheel or drag textures by a pen.

For Import texture click at the cogwheel of texture library window, select texture file at the open-dialog.
The texture should be square PNG file

Texture contrast slider increases texture image contrast.

Texture mode: List of different texture modes

Example: Max texture strength with brush opacity transition 1)Multiply 2)Subtract 3)Height

 

Multiply: pixel_opcaity=brush_opcaity*texture_strengh
Subtract:pixel_opcaity=brush_opcaity-texture_strengh
Height:pixel_opcaity=obrush_opcaity-texture_strengh*(1-opacity)