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ImageManager Draw Alpha

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Forum Name: Command Bars
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URL: http://forum.codejock.com/forum_posts.asp?TID=14190
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Topic: ImageManager Draw Alpha

Posted By: jpbro
Subject: ImageManager Draw Alpha
Date Posted: 30 April 2009 at 6:41pm

Is there a way to draw an icon (PNG) stored in the ImageManager control onto a hDC with an arbitrary alpha level? If not, is there any chance of such a feature?

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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3

Language: Visual Basic 6.0 SP6

Replies:

Posted By: Oleg
Date Posted: 01 May 2009 at 2:28am

Hi,

have you tried Draw method ?

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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS

Posted By: jpbro
Date Posted: 01 May 2009 at 9:54am

Hi Oleg,

I have used the Draw method successfully to draw an icon on an hDC exactly as it appears in the ImageManager, but I don't see any way to change the alpha level arbitrarily using that method...For example:


            UserControl.ImageManager1.Icons.GetImage(100, 16).Draw hdc, Left + l_LeftOffset, Top + l_TopOffset, 16, 16, xtpImageNormal

Draws the image, but I would like to draw it at (for example) 50% transparency...Is this possible?

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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3

Language: Visual Basic 6.0 SP6

Posted By: Oleg
Date Posted: 04 May 2009 at 12:06am

Hi,

No, its not possible. You can only create additional image manually and set it as "xtpImagechecked" state fot this image.

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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS

Posted By: jpbro
Date Posted: 04 May 2009 at 8:06am

If it is technically possible, Adding an extra property to control the alpha level of any icon would be a great feature...For example, it could be used by having a thread to draw a pulsing icon (fade in/fade out), which would not be possible using an extra xtpImageChecked image (and would be a pain to implement by adding dozens of extra icons at various alpha levels).

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Product: Xtreme SuitePro (ActiveX) version 16.2.6
Platform: Windows XP - SP3

Language: Visual Basic 6.0 SP6