lazarus/components/tachart/demo/aggpas/Main.pas

72 lines
1.4 KiB
ObjectPascal

unit Main;
{$mode objfpc}{$H+}
interface
uses
Classes, ExtCtrls, SysUtils, FileUtil, Forms, Controls, Graphics, FPCanvas,
Dialogs, Agg_LCL, TAGraph, TASeries, TASources, TADrawerAggPas;
type
{ TForm1 }
TForm1 = class(TForm)
Chart1: TChart;
Chart1AreaSeries1: TAreaSeries;
Chart1BarSeries1: TBarSeries;
Chart1ConstantLine1: TConstantLine;
Chart1LineSeries1: TLineSeries;
Chart1PieSeries1: TPieSeries;
PaintBox1: TPaintBox;
RandomChartSource1: TRandomChartSource;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure PaintBox1Paint(Sender: TObject);
private
FBmp: TBitmap;
FAggCanvas: TAggLCLCanvas;
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
uses
TADrawUtils;
{ TForm1 }
procedure TForm1.FormCreate(Sender: TObject);
begin
FBmp := TBitmap.Create;
FAggCanvas := TAggLCLCanvas.Create;
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
FAggCanvas.Free;
FBmp.Free;
end;
procedure TForm1.PaintBox1Paint(Sender: TObject);
var
ad: IChartDrawer;
begin
FAggCanvas.Width := PaintBox1.Width;
FAggCanvas.Height := PaintBox1.Height;
ad := TAggPasDrawer.Create(FAggCanvas);
Chart1.Title.Text.Text := 'AggPas';
Chart1.Draw(ad, PaintBox1.Canvas.ClipRect);
Chart1.Title.Text.Text := 'Standard';
FBmp.LoadFromIntfImage(FAggCanvas.Image.IntfImg);
PaintBox1.Canvas.Draw(0, 0, FBmp);
end;
end.