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IDProjectCategoryView StatusLast Update
0022135LazarusIDEpublic2020-03-31 13:58
ReporterVit Assigned To 
Status newResolutionopen 
Product Version1.1 (SVN) 
Summary0022135: Timage Canvas.Pixels[x,y] Transparent and some bit's
DescriptionMy English not up to the mark.
Look on example.
It's very simple.

image[1].Picture.Bitmap.Canvas.Pixels[x,y] := clRed; //<=== draw some bag...

It's draw transparent. But, must be a color.
Fixed in Revision
Attached Files


related to 0024241 new TBitBtn do not display bitmap correctly 


2012-05-26 17:49


1.7z (61,476 bytes)

2012-05-26 18:31


gtk2_trans.png (5,527 bytes)   
gtk2_trans.png (5,527 bytes)   

Vojtech Cihak

2012-05-26 18:31

reporter   ~0059978

Last edited: 2012-05-26 18:32

Works well with Qt but there are some transparency problems with GTK2.
I tried to set diferent TransparentColor and Transparency but no effect.
I uploaded image.

Issue History

Date Modified Username Field Change
2012-05-26 17:49 Vit New Issue
2012-05-26 17:49 Vit File Added: 1.7z
2012-05-26 17:49 Vit Widgetset => Win32/Win64
2012-05-26 18:31 Vojtech Cihak File Added: gtk2_trans.png
2012-05-26 18:31 Vojtech Cihak Note Added: 0059978
2012-05-26 18:32 Vojtech Cihak Note Edited: 0059978
2020-03-31 11:06 Juha Manninen Relationship added related to 0024241
2020-03-31 13:58 Juha Manninen Tag Attached: transparent