Corel Painter X3 Win/Mac, EDU, EN Guía de usuario descargar pdf (Pagina 883)

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860 Corel Painter X3 Getting Started Guide

image, effectively creating a tiled pattern. Corel Painter makes it easy to create tiling

background images for use in web pages.

The CSS features in modern browsers let you apply background tiles to more elements

than ever before. In the past, you could apply them only to a page itself, or possibly to

a table. Now, with CSS, layers or block-level elements — anything you can display on

its own line in traditional HTML layout — can have a background image. Since authors

are no longer limited to using tiled backgrounds for just pages, possibilities open up for

the creative use of tiles behind such elements as borders, call-out boxes, or sidebars.

You can use any image or selection to define a pattern. An image designed for use as

part of a pattern is normally created so that it tiles seamlessly. That is, the eye should

not be able to distinguish the edges between tile repetitions. Corel Painter has features

that can help you create seamless tiles, which you can then use as interesting web

backgrounds. For information about creating, editing, saving, and filling with patterns,

see “Patterns” on page 677.

The Glass Distortion effect, the Super Soften effect (with the Wrap Around check

box enabled), and most of the Tonal Control effects preserve the seamless quality of the

pattern. Some effects, such as Apply Surface Texture, can result in a noticeable seam,

so experiment.

Example of using seamless and non-seamless tiles in a pattern

A way to partially avoid seams that occur with effects such as Apply Surface Texture

is to apply the effect several times at lower strengths (by reducing the Amount slider).

Shift the pattern a little (using Shift-Spacebar) between each application. This tends to

“distribute” the seams and make them less noticeable.

Tile dimensions should be as small as practical, but should probably never go below 20

x 20 pixels. If a tile is too small, it actually takes the browser longer to render it over a

large area.

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Corel Painter X3 Win/Mac, EDU, EN Guía de usuario Pagina 883

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