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Grab - Graphic Is Black In View Document
DocumentID: 610636
Revision Date: 29-Feb-96 1:34:34 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Symptoms: When the customer uses the GRAB.COM utility to capture a graphics screen with a white background, View Document shows it as a black background. The Invert option in the Graphics Edit Screen can be used to change the colors and the images will print in both a black and a white background, but in View Document it always appears black.

Also, if a customer has used Grab while in View Document on a color monitor the graphic appears to look fine in graphic edit and in View Document, but it prints as a solid gray box or as gray patterns. Solutions: The problem occurs because GRAB.COM encountered a custom color palette index from the video buffer. A custom color palette means that the other software package uses a color index other than WP's 0=black 16=white index. "0" is assigned as black in WP, but in Harvard Graphics and some other products, this number is white. Using GRAPHCNV/C=16 will convert the color palette to WP's, and then the image will print and view properly.

Another workaround is to use the /M switch when starting GRAB.COM. The /M switch allows for the generating of monochrome bitmapped files when using a color monitor.

Here is an additional option if the user does not want to capture in monochrome mode using GRAB/M: A customer went into View Document and invoked GRAB.COM. The background color in View Document was white. Grab saved the text with a gray background instead of a white background. The customer changed the gray background back to white by taking the GRAB.WPG file through GRAPHCNV.EXE. GRAPHCNV.EXE changes the background to white when the /B=7 option is used.

For best results, it is recommended to grab images from a monochrome graphic mode.

Answer:

Details:


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