Never been to CodeSnippets before?

Snippets is a public source code repository. Easily build up your personal collection of code snippets, categorize them with tags / keywords, and share them with the world (or not, you can keep them private!)

Showing 11 - 12 of 12 total

On This Page:

  1. 1 Posterize
  2. 2 Mosaic

Posterize

to image delphi effect posterize by drs on May 07, 2007 
procedure Posterize(Bitmap: TBitmap; amount: integer);
var
H,V:Integer;
Wsk:^Byte;
begin
  Bitmap.PixelFormat :=pf24bit;
  for V:=0 to Bitmap.Height -1 do
  begin
   Wsk:=Bitmap.scanline[V];
   for H:=0 to Bitmap.Width*3 -1 do
   begin
     Wsk^:= round(WSK^/amount)*amount ;
     inc(Wsk);
     end;
   end;
end;

Mosaic

to image delphi effect mosaic by drs on May 07, 2007 
procedure Mosaic(var Bm:TBitmap;size:Integer);
var
   x,y,i,j:integer;
   p1,p2:pbytearray;
   r,g,b:byte;
begin
  y:=0;
  repeat
    p1:=bm.scanline[y];
    x:=0;
    repeat
      j:=1;
      repeat
      p2:=bm.scanline[y];
      x:=0;
      repeat
        r:=p1[x*3];
        g:=p1[x*3+1];
        b:=p1[x*3+2];
        i:=1;
       repeat
       p2[x*3]:=r;
       p2[x*3+1]:=g;
       p2[x*3+2]:=b;
       inc(x);
       inc(i);
       until (x>=bm.width) or (i>size);
      until x>=bm.width;
      inc(j);
      inc(y);
      until (y>=bm.height) or (j>size);
    until (y>=bm.height) or (x>=bm.width);
  until y>=bm.height;
end;
Showing 11 - 12 of 12 total

On This Page:

  1. 1 Posterize
  2. 2 Mosaic