mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-06-06 11:58:14 +02:00

- fix screenshot example bug (use GetDC(0) instead of DC = 0) - fix image example - clear LazIntfImage before experiments (part of issue #0019123) - remove all .lrs, .rc files and use .lfm, .res instead git-svn-id: trunk@30244 -
58 lines
1.1 KiB
ObjectPascal
58 lines
1.1 KiB
ObjectPascal
unit ellipseunit;
|
|
|
|
{$mode objfpc}{$H+}
|
|
|
|
interface
|
|
|
|
uses
|
|
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs;
|
|
|
|
type
|
|
|
|
{ TfrmEllipse }
|
|
|
|
TfrmEllipse = class(TForm)
|
|
procedure FormPaint(Sender: TObject);
|
|
private
|
|
{ private declarations }
|
|
public
|
|
{ public declarations }
|
|
end;
|
|
|
|
var
|
|
frmEllipse: TfrmEllipse;
|
|
|
|
implementation
|
|
|
|
{$R *.lfm}
|
|
|
|
{ TfrmEllipse }
|
|
|
|
procedure TfrmEllipse.FormPaint(Sender: TObject);
|
|
begin
|
|
Canvas.Brush.Color := clBlue;
|
|
|
|
Canvas.Brush.Style := bsClear;
|
|
|
|
Canvas.TextOut(50, 30, 'Ellipse');
|
|
Canvas.TextOut(150, 30, 'Chord');
|
|
Canvas.TextOut(250, 30, 'Pie');
|
|
|
|
Canvas.TextOut(50, 130, 'Arc S=0 L=90');
|
|
Canvas.TextOut(150, 130, 'Arc S=-25 L=45');
|
|
Canvas.TextOut(250, 130, 'Arc S=30 L=-45');
|
|
|
|
Canvas.Brush.Style := bsSolid;
|
|
|
|
Canvas.Ellipse(50, 50, 100, 100);
|
|
Canvas.Chord(150, 50, 200, 100, 0, 90*16);
|
|
Canvas.RadialPie(250, 50, 300, 100, 0, 90*16);
|
|
|
|
Canvas.Arc(50, 150, 100, 200, 0, 90*16);
|
|
Canvas.Arc(150, 150, 200, 200, -25*16, 45*16);
|
|
Canvas.Arc(250, 150, 300, 200, 30*16, -45*16);
|
|
end;
|
|
|
|
end.
|
|
|