whats new ¦  programming tips ¦  indy articles ¦  intraweb articles ¦  informations ¦  links ¦  interviews
 misc ¦  tutorials ¦  Add&Win Game

Tips (1541)

Database (90)
Files (137)
Forms (107)
Graphic (114)
IDE (21)
Indy (5)
Internet / LAN (130)
IntraWeb (0)
Math (76)
Misc (126)
Multimedia (45)
Objects/
ActiveX (51)

OpenTools API (3)
Printing (35)
Strings (83)
System (266)
VCL (242)

Top15

Tips sort by
component


Search Tip

Add new Tip

Add&Win Game

Advertising

39 Visitors Online


 
... invert a 32 bit Bitmap?
Autor: Finn-Ole P.
[ Print tip ]  

Tip Rating (13):  
     


procedure invertiere32Bit(Bitmap: TBitmap);
var 
  
i, j: Integer;
  P: PDWord;
begin
  
p := Bitmap.Scanline[Bitmap.Height - 1];
  for j := 1 to Bitmap.Height * Bitmap.Width do
  begin
    
p^ := not p^;
    Inc(p);
  end;
  Bitmap.Assign(bitmap);
end;


 

Rate this tip:

poor
very good


Copyright © by SwissDelphiCenter.ch
All trademarks are the sole property of their respective owners