Show Preview

Select this option to display a preview pane on the right side of the dialog box. You can preview changes before you update the image.

Update

View information on the file properties after making changes to other properties on the dialog box.

If you select Show Preview, you can view your changes when you click the Update button.

Live Update

Select this check box to update the information automatically.

Note: If your computer has a slow processor, you might experience slower processing when using Live Update.

Override Background Color

Select this check box to use a different background color than that set in the BlackBerry® Composer. Click the color swatch and click a color.

Use Temporary Image Cache

Select this check box for smaller content files to improve performance when previewing different export settings or re-exporting a BlackBerry Composer file that has not been changed.

Interlace

When you select this check box, images first appear blurry and become sharper as they are downloaded. When Interlace is not selected, images appear gradually, top to bottom, as they download.

With still GIF images, interlacing allows users with slow modem connections to click past an image they are not interested in viewing without having to download the whole thing. Do not use Interlacing for animated GIFs.

Filter

• None compresses the image without a filter. This option is recommended for indexed-color and Bitmap-mode images.
• Sub optimizes the compression of images with even horizontal patterns or blends.
• Up optimizes the compression of images with even vertical patterns.
• Average optimizes the compression of low-level noise by averaging the color values of adjacent pixels.
• Path optimizes the compression of low-level noise by reassigning adjacent color values.
• All applies the filter—Sub, Up, Average, or Path—best-suited for the image. Select All if you are unsure of which filter to use.

Compression

Specifies a method to reduce file size.

Color Mode

Select the mode to use.

Palette

This drop-down list is available when you select Palette from the Color Mode drop-down list. Determine which set of 256 (or fewer) colors is used in the exported animation:

• Adaptive automatically selects a set of colors that best approximate the original.
• Web-safe uses a standard set of 216 colors. Web-safe colors are recommended for BlackBerry devices.

Dithering

Dithering might improve image quality. Selecting this option increases your file size.

Dithering Noise

From the Dithering Noise drop-down list, select a value.