Are both machines setup with the same colour depth for the display?
Since you dont explicity set the pixel format for the bitmap it maybe it maybe doing 24 bit on once pc and 16 or something else on the other.
Patrick
Frits Regtien wrote:
Hi,
I'm moving all my Delphi Internet project from a Windows NT computer to a Windows 2000 machine. One project produces .JPG pictures. The same executable gives a different picture on both machines. Compare Windows NT: http://pascal.signet.nl/firstsoft/script/aw.exe/nieuws1 Windows 2000: http://projects.firstsoftware.nl/script/aw.exe/nieuws1
Anybody who knows why the Windows 2000 makes such a grainy picture?
Just a bit of the code: jp:=TJPEGImage.create; bm:=Tbitmap.create; jp.CompressionQuality:=85; bm.height:=512; bm.width:=512; bm.Canvas.Brush.Color:=$00003366; bm.Canvas.FillRect(rect(0,0,512,512)); bm.Canvas.font.Color:=clYellow ; bm.canvas.font.Name:='Arial'; bm.Canvas.Font.Size:=25; {draw some text on bm} jp.assign(bm); ms:=tmemorystream.create; jp.savetostream(ms); ms.Position:=0; Response.ContentType := 'image/jpeg'; Response.ContentStream := ms; Response.SendResponse; ms.free jp.free; bm.free;
Groetjes, Frits.
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