Corel Painter X3 Win/Mac, EDU, EN Guide de l'utilisateur Page 660

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Using lighting and surface texture effects 637
Contrast — determines the number of levels of black and white. For example, low
contrast generates pure gray, medium contrast produces levels of grayscale, and
high contrast produces a black and white screen.
Applying a warp effect
Corel Painter offers different options for warping images. The Image Warp effect lets
you distort the surface of an image as if it were a sheet of pliable film. You can make
images look as though they’re reflected in a fun house mirror.
Before (left) and after (right) applying the Image Warp effect.
You can also use the Quick Warp effect to create some basic distortions, like stretch or
bulge. These distortions are useful for preparing images for reflection maps when
applying surface texture. For more information, see “Creating reflection maps” on
page 624.
Quick Warp lets you create five types of distortions:
Sphere — warps the image spherically, like a reflection on a polished silver ball
An example of the Quick Warp effect using Sphere distortion.
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