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Author Topic: Saving a TImage with a transparent background  (Read 925 times)

EganSolo

  • Sr. Member
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  • Posts: 398
Saving a TImage with a transparent background
« on: March 25, 2025, 03:05:03 am »
This should be easy... call me dumb ...
I've got a TImage control with transparent set to true.
Calling Picture.SaveTofile('test.png') saves the image with a white background.

What am I missing?
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aoiraven90

  • Newbie
  • Posts: 3
Re: Saving a TImage with a transparent background
« Reply #1 on: April 09, 2025, 08:38:37 am »
Transparent property of TImage: TImage.Transparent := True applies that the image is visible when shared, but not when saved.

Try using BGRA Bitmap.
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Dzandaa

  • Hero Member
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  • Posts: 557
  • From C# to Lazarus
Re: Saving a TImage with a transparent background
« Reply #2 on: April 09, 2025, 11:47:11 am »
Hi,

Yes it works with a TBGRABitmap.

B->
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Regards,
Dzandaa
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