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T O P I C R E V I E W
papa.john
Posted - Aug 19 2023 : 01:30:19 Is there some non-visual component or function that can be used to determine that an image (icon) is fully transparent?
1 L A T E S T R E P L I E S (Newest First)
xequte
Posted - Aug 19 2023 : 23:45:06 Hi
You can use:
bmp := TIEBitmap.Create();
try
bmp.Read( 'D:\Alpha2.png' );
if bmp.HasAlphaChannel(True) and bmp.AlphaChannel.IsAllBlack() then
ShowMessage( 'Image is completely transparent' )
else
ShowMessage( 'Image NOT transparent' );
finally
bmp.free;
end;