Corel PaintShop Pro X7, DE User's Guide download pdf (Page 766)

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762 Corel PaintShop Pro X7 User Guide

The GIF Optimizer dialog box appears, and the preview areas

show the current image on the left and the resulting GIF file on

the right.

2 Click the Transparency tab, and choose one of the following

options:

• None — produces a GIF file that does not use a transparency

setting

• Existing image or layer transparency — uses the current

transparency information from the image

• Inside the current selection — for images with a selection,

makes everything within the selection transparent

• Outside the current selection — for images with a selection,

makes everything outside the selection transparent

• Areas that match this color — bases the transparency on a color

you select. Click the color box to select a color or choose a color

from the image by moving the cursor over the image, and

clicking a color. Then set or type a tolerance factor in the

Toleranc e control to determine how closely colors must match

the selected color before they become transparent.

3 Click the Partial Transparency tab and choose one of the following

options:

• Use full transparency for pixels below x% opacity — determines

the opacity value at which pixels become transparent. Pixels

below the opacity value you set become transparent. Pixels

above the opacity value become opaque. As you lower the

value, you reduce the number of transparent pixels.

• Use a 50% dither pattern — makes partially transparent pixels

opaque using either the color chosen for blending or the image

color (depending on the blending option), then applies a 50%

dither pattern to make colors look more natural

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Corel PaintShop Pro X7, DE User's Guide Page 766

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