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Set Up Your Capture > Capture Effects > Color Depth Effect > Custom Color Depth Effect

Custom Color Depth Effect

For information on how to access effects, see Accessing Effects.

The Custom Color Depth options allow you to customize the color resolution, dithering and palette of an image during or after capture.

  1. Select Effects > Color Depth > Custom Color Depth and the Color Depth task page opens.
  2. Select the desired options using the preview image to see the effect.
  3. When the effect is set correctly, select OK.
Custom Color Depth Effect Options Description Table

Note: This task page can also accessed from the Capture Preview window or SnagIt Editor by choosing Colors > Color Depth.

You get the best possible image quality by using a unique, Optimized palette. To make sure a bitmap has a unique palette, open an image from a file that is 8 bits per pixel (256 colors) or fewer. This file contains a unique palette for the image. By default, SnagIt loads the palette that is stored in the file and relates it to the bitmap in memory. Or let SnagIt make an optimized palette for the image by decreasing a 24-bit image (16 million colors) to 8 bits per pixel (256 colors). Images with optimized palettes may exhibit some palette shift.

The following table describes each of the Custom Color Depth options along with its use.

Option
Description & Use
Colors
The options available range from Monochrome (1-bit) to True Color (32-bit).
Select the desired image resolution from the Colors list box.
Color Order
(This option is only available with 16-bit or higher color, and only from the Capture Preview window or Editor)
This option allows you to specify the Color Order: Red-Green-Blue or Blue-Green-Red.
Select the desired image resolution from the Color Order list box.
Dither Method
(This option will be available only if Colors is set to 256 or fewer colors.)
Use the Dither Method list box options to make the image look smoother when an image's color resolution is decreased.
Select from the following options: None, Floyd Steinberg, Stucki, Burkes, Sierra, Stevenson Arch, Jarvis, Ordered, and Clustered.
Select the desired image resolution from the Dither Method list box.
Palette
(This option will be available only if Colors is set to 256 or fewer colors.)
Four Palette options are available:
  • Fixed
    Saves the image using a fixed palette. The advantage to using a fixed palette is that it prevents a decrease in the quality of image appearance when more than one image is open.
  • Optimized
    (Recommended) saves the image using a palette optimized for this image. In general, use an Optimized palette if the image is to be viewed by itself.
  • Identity
    Saves the image using the Windows system palette. Use this selection if the image contains Windows screen colors.
  • Netscape Fixed
    Saves the image using the palette used by Netscape Navigator and Microsoft Internet Explorer.
Select the desired palette from the Palette list box.


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