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Graphic Elements Transparent Rather Than Opaq
DocumentID: 642781
Revision Date: 29-Feb-96 8:18:47 PM

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

Problem

Symptoms: A user says that his WordPerfect printer driver makes everything "transparent," so his graphic elements don't appear the way they should when printed. He suggests WordPerfect include the ability to make graphics print as "opaque" or, better still, give users a choice. Solutions: HP LaserJet III type printers have the capability of making graphic source and patterns either opaque or transparent. If both options are transparent, only the black pixeled region will be overlaid on the destination. The mode selected determines, when you lay one graphic over another, whether the second graphic covers it, or whether the first graphic will bleed through the second. This is a valid enhancement request, but there are very view printers that have this capability. Even PostScript printers do no have the capability of changing modes. The HP III type printers are currently the only ones with this capability.

The HP LaserJet III driver was written so graphics would be handled using Transparency mode. This mode can be changed by modifying the printer driver using the following steps:
1.      Retrieve the HP ALL file into the PTR Program.
2.      Press Enter on the HP printer.
3.      Press Enter on Initialize at Start of Print Job.
4.      Press Alt-F8 (Global String variables).
5.      Cursor to hp3init and press Ctrl-Enter. NOTE: This variable was not added until the 01/25/91 printer release. If the printer date is older than 01/25/91 skip steps 4 and 5.
6.      Cursor to the line that reads: [27]"*v0n1O" and change it to [27]"*v1n1O".
7.      Exit the PTR Program, save, and replace the file.
8.      Update the printer in WP (Shift-F7, S, U).

NOTE: A graphic image consists of an entire area of the figure box. This means any white space will cover the other graphic. If a customer would also like to add the capability of having graphic patterns be opaque, (i.e,. the graphic fill pattern of one box covering the graphic lines of another) then add these steps between steps 6 and 7 above:
1.      After editing the variable listed in step 6, press F7. Cursor to hp3rules and press Ctrl-Enter.
2.      Delete [27]"*v0O" and [27]"*v1O". Then proceed with step 7 above.

Opaque mode for graphic rules (patterns) was changed to Transparency mode after the 04/12/90 release.

Answer:

Details:


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