2007/11/6, Marc Weustink <[EMAIL PROTECTED]>: > > wile64 wrote: > > Hi, > > > > I use the example Scanline to change an image with the alpha channel as > > well. > > > > alphaTransparent = 0; > > alphaOpaque = 255; > > > > > > IntfImage.CopyPixels(ScanLineImage); > > what is the Description of IntfImage ? > Does it have an Aplha channel ?
see the Scanline example ;-) ScanLineImage:=TLazIntfImage.Create(0,0); ImgFormatDescription.Init_BPP32_B8G8R8_BIO_TTB(30,20); ScanLineImage.DataDescription:=ImgFormatDescription; > MyBitmap.LoadFromIntfImage(IntfImage); > > Why not loading from ScanLineImage ? I change several images and load since ScanLineImage directly, there is plenty of evidence of previous file > Canvas.Draw(10,10,MyBitmap); > I think ths should work. Yes, but not transparency! > The problem is that I have no transparency with this method. > > > > How to give transparency to MyBitmap? > > Marc > > Thanks Marc, -- Laurent. Soon >>-----LAZTUCE-----> French Forum : http://lazforum-fr.tuxfamily.org/index.php
