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- Newsgroups: comp.windows.x
- Path: sparky!uunet!gatech!udel!rochester!rocksanne!rocksanne!mayer
- From: mayer@wrc.xerox.com (Jim Mayer)
- Subject: Re: An Open Challenge (it can't be done!)
- In-Reply-To: thp@westhawk.UUCP's message of Wed, 23 Dec 1992 10:58:07 GMT
- Message-ID: <MAYER.92Dec23143152@fliff.wrc.xerox.com>
- Sender: news@spectrum.xerox.com
- Organization: Xerox Webster Research Center
- References: <9212231058.AA09813@westhawk.uucp>
- Date: Wed, 23 Dec 1992 19:31:52 GMT
- Lines: 31
-
-
- > Here's the short form:
- > - 8 bit image in backing pixmap used to update window
- > - Image drawn in 8 bit X window
- > - Want to draw diagonal lines on top of image that can
- > be removed quickly (i.e. replace them with the data they so
- > recently covered)
- > - Can't do server extensions (too many platforms to support)
- > Betcha can't do it!
-
- How about redrawing the lines using GX with the following set:
-
- function: GXcopy
- fill_style: FillSolid
- tile: the backing pixmap
- ts_x_origin: 0
- ts_y_origin: 0
-
- I belive that this will cause the lines to be overwritten with the
- image.
-
-
-
-
- --
- -- Jim Mayer
- Phone: (716) 422-9407
- Webster Research Center Intelnet phone: 8*222-9407
- Xerox Corporation Internet Email: mayer@wrc.xerox.com
- 800 Phillips Road, 0128-29E XNS Email: James L Mayer:Wbst128:xerox
- Webster, New York 14580 Facsimile: (716) 265-7133
-