Pinstripe/Display: Difference between revisions
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//--------------------------------------------------------------------------------------------------
</syntaxhighlight>
=={{header|Delphi}}==
{{works with|Delphi|6.0}}
{{libheader|SysUtils,StdCtrls}}
<syntaxhighlight lang="Delphi">
procedure DrawVerticalStripes(Image: TImage; PenWidth,Top,Bottom: integer);
{Draw vertical stripes across full width of image}
{Top/Bottom Control the position of the band of stripes}
{PenWidth controls width of the line drawn}
var X,X2,Y: integer;
begin
Image.Canvas.Pen.Width:=PenWidth;
for X:=0 to (Image.Width div PenWidth)-1 do
begin
if (X mod 2)=0 then Image.Canvas.Pen.Color:=clWhite
else Image.Canvas.Pen.Color:=clBlack;
X2:=X * PenWidth;
Image.Canvas.MoveTo(X2,Top);
Image.Canvas.LineTo(X2,Bottom);
end;
end;
procedure ShowVerticalStripes(Image: TImage);
{Draw all four bands of stripes}
var SHeight: integer;
var I: integer;
begin
SHeight:=Image.Height div 4;
for I:=0 to 4-1 do
begin
DrawVerticalStripes(Image,I+1,SHeight*I,SHeight*(I+1));
end;
end;
</syntaxhighlight>
{{out}}
<pre>
Elapsed Time: 26.113 ms.
</pre>
=={{header|FreeBASIC}}==
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