Differential D20232 Diff 55357 reference_manual/filters/artistic.rst

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reference_manual/filters/artistic.rst

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26 26​
27Colors 27​Colors
28 The colors used to paint the pattern. The first is the color of the dots, the second the color of the background. 28​ The colors used to paint the pattern. The first is the color of the dots, the second the color of the background.
29Size 29​Size
30 The size of the cell in pixels. The maximum dot size will be using the diagonal as the cell size to make sure you can have pure black. 30​ The size of the cell in pixels. The maximum dot size will be using the diagonal as the cell size to make sure you can have pure black.
31Angle 31​Angle
32 The angle of the dot pattern. 32​ The angle of the dot pattern.
33Invert 33​Invert
34 This inverts the intensity calculated per dot. Thus, dark colors will give tiny dots, and light colors big dots. This is useful in combination with inverting the colors, and give a better pattern on glowy-effects. 34​ This inverts the intensity calculated per dot. Thus, dark colors will give tiny dots, and light colors big dots. This is useful in combination with inverting the colors, and give a better pattern on glowy-effects.
35Anti-aliasing 35​Anti-aliasing
36 This makes the dots smooth, which is good for webgraphics. Sometimes, for print graphics, we want there to be no grays, so we turn off the anti-aliasing. 36​ This makes the dots smooth, which is good for webgraphics. Sometimes, for print graphics, we want there to be no grays, so we turn off the anti-aliasing.
37 37​
38Index Color 38​Index Color
39----------- 39​-----------
40 40​
41The index color filter maps specific user selected colors to the grey scale value of the artwork. You can see the example below, the strip below the black and white gradient has index color applied to it so that the black and white gradient gets the color selected to different values. 41​The index color filter maps specific user selected colors to the grey scale value of the artwork. You can see the example below, the strip below the black and white gradient has index color applied to it so that the black and white gradient gets the color selected to different values.
42 42​
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76 76​
77Posterize 77​Posterize
78--------- 78​---------
79 79​
80This filter decreases the amount of colors in an image. It does this per component (channel). 80​This filter decreases the amount of colors in an image. It does this per component (channel).
81 81​
82.. image:: /images/en/Posterize-filter.png 82​.. image:: /images/en/Posterize-filter.png
83 83​
84The :guilabel:`steps` parameter determines how many colors are allowed per component. 84​The :guilabel:`Steps` parameter determines how many colors are allowed per component.