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transparent printing of filled shapes

Posted on 2000-05-11
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Last Modified: 2013-11-20
hi,
i have an application which is a kind of a drawing application. i have a background map(CDib) on which i want to draw some polygons. these polygons are getting filled by an hatch brush in a transparent mode, i.e., the background can still be seen (i used FillRgn() to fill the polygons).  the problem is that while printing the whole thing, the transparent mode dissapears, the polygon covers all its area and the backgrounf under it cannot be seen anymore.
i'll be thankful for anyhelp.
  matt
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Question by:matid
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by:matid
ID: 2809531
Adjusted points from 70 to 80
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Expert Comment

by:aguleria
ID: 2951051
You might be relying on default brushes while drawing polygons. Try selecting a brush with appropriate mode before drawing the polygons.
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RONSLOW earned 80 total points
ID: 3582014
I assume a print previoew shows things correctly.

Many printers have problems with transparency etc.  For example, I have one printer that, if you set the fill hatch colour to white, will print the fill balck.  Other printers will print transparently when on screen things are obscured.

I suggets you either try another printer, and / or check that you have the latest printer driver for that printer.
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by:matid
ID: 3695012
Answer accepted
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Author Comment

by:matid
ID: 3695013
after dealing with it for quiet a long time i guess RONSLOW is right. it all depends on the printer and/or its driver.
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Author Comment

by:matid
ID: 3695014
after dealing with it for quiet a long time i guess RONSLOW is right. it all depends on the printer and/or its driver.
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Author Comment

by:matid
ID: 3695015
after dealing with it for quiet a long time i guess RONSLOW is right. it all depends on the printer and/or its driver.
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