Rank: Member
Groups: Member
Joined: 5/27/2004(UTC)
Posts: 7
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I am trying to get a bitmap from a picturebox into a Graphic Mills bitmap. I have done:
Gmills.Bitmap.Data.Picture = PictureBox.picture
I have verified that there is data in the PictureBox (by displaying it)
It appears that something was transfered as the height and width of the Gmills bitmap matches
that of the PictureBox. When I go to display the Gmills bitmap (via DrawOnHdc) nothing (the background doesn't change at all) gets displayed. Following the same code logic, if I create a new bitmap with a solid color instead of doing the above assignment, the solid color gets displayed. I have also tried converting to 32 bppArgb as well. Any Ideas?
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Rank: Advanced Member
Groups: Member, Administration
Joined: 8/2/2003(UTC)
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When Graphics Mill converts Picture into Bitmap, it converts it to 32-bit ARGB pixel format. Due some bug it sets 0 as alpha channel instead of 255. That's why the image gets transparent. The workaround is either to convert Bitmap into 24-bit RGB: Code:Set Picture1.Picture = LoadPicture("d:\[test files]\pictures\ramones.jpg")
BitmapViewer1.Bitmap.Data.Picture = Picture1.Picture
BitmapViewer1.Bitmap.Data.ConvertTo24bppRgb
or set alpha channel to 255: Code:Set Picture1.Picture = LoadPicture("d:\[test files]\pictures\ramones.jpg")
BitmapViewer1.Bitmap.Data.Picture = Picture1.Picture
BitmapViewer1.Bitmap.ColorAdjustment.ChannelBalance 255, 0, 0, 0
Hopefully this will help. Please let me know if you still experience a problem. Edited by user Monday, December 24, 2007 4:59:42 PM(UTC)
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