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OrbWorks Community Forum • View topic - Text with transp. background - how?

Text with transp. background - how?

Discuss OrbForms Designer and PocketC Architect

Postby design4use on Wed Apr 02, 2003 9:27 pm

I'd like to draw text on top of an image.
There seems to be no way to get rid of the drawn text's background color (rect. block using the text's line height) so the image is visible where the letters aren't drawing, or is there?
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Postby dewey on Thu Apr 03, 2003 2:23 am

This can only be done using OS 3.5 APIs, which are not currently used for drawing since OrbForms strives to be 3.0 compatible. Perhaps in a future release.
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Postby jstadolnik on Thu Apr 03, 2003 3:50 am

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">
This can only be done using OS 3.5 APIs
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

False. This can be done on OS3.0 using offscreen windows (buffers) and the WinCopyRectangle API in winOverlay mode. However, as far as I know OrbForms doesn't provide access to that API call.

One catch though is that winOverlay mode behaves differently on OS5.

Joe

The PToolboxLib guy.
http://www.geocities.com/retro_01775/PToolboxLib.htm
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Postby dewey on Thu Apr 03, 2003 4:04 am

Thanks for the tip. I will consider adding something similar to Draw.draw that will copy a rect from one buffer to the other.
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Postby design4use on Thu Apr 03, 2003 4:15 pm

thank you for looking into this!
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