mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-05-05 11:12:40 +02:00
98 lines
2.3 KiB
ObjectPascal
98 lines
2.3 KiB
ObjectPascal
unit Main;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, ExtCtrls, StdCtrls, SysUtils, FileUtil, Forms, Controls, Graphics,
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FPCanvas, Dialogs, Agg_LCL, TAGraph, TASeries, TASources, TADrawerAggPas;
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type
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{ TForm1 }
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TForm1 = class(TForm)
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Chart1: TChart;
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Chart1AreaSeries1: TAreaSeries;
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Chart1BarSeries1: TBarSeries;
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Chart1ConstantLine1: TConstantLine;
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Chart1LineSeries1: TLineSeries;
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Chart1PieSeries1: TPieSeries;
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cbAggPas: TCheckBox;
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PaintBox1: TPaintBox;
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Panel1: TPanel;
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RandomChartSource1: TRandomChartSource;
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procedure cbAggPasClick(Sender: TObject);
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procedure Chart1AfterPaint(ASender: TChart);
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procedure ChartPaint(
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ASender: TChart; const ARect: TRect; var ADoDefaultDrawing: Boolean);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure PaintBox1Paint(Sender: TObject);
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private
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FAggCanvas: TAggLCLCanvas;
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FBmp: TBitmap;
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end;
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var
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Form1: TForm1;
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implementation
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{$R *.lfm}
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{ TForm1 }
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procedure TForm1.cbAggPasClick(Sender: TObject);
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begin
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if cbAggPas.Checked then
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Chart1.OnChartPaint := @ChartPaint
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else
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Chart1.OnChartPaint := nil;
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end;
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procedure TForm1.Chart1AfterPaint(ASender: TChart);
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begin
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PaintBox1.Invalidate;
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end;
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procedure TForm1.ChartPaint(ASender: TChart; const ARect: TRect;
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var ADoDefaultDrawing: Boolean);
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begin
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FAggCanvas.Width := ARect.Right - ARect.Left;
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FAggCanvas.Height := ARect.Bottom - ARect.Top;
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ASender.Draw(TAggPasDrawer.Create(FAggCanvas), ARect);
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FBmp.LoadFromIntfImage(FAggCanvas.Image.IntfImg);
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ASender.Canvas.Draw(0, 0, FBmp);
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ADoDefaultDrawing := false;
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end;
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procedure TForm1.FormCreate(Sender: TObject);
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begin
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FBmp := TBitmap.Create;
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FAggCanvas := TAggLCLCanvas.Create;
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end;
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procedure TForm1.FormDestroy(Sender: TObject);
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begin
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FAggCanvas.Free;
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FBmp.Free;
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end;
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procedure TForm1.PaintBox1Paint(Sender: TObject);
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begin
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FAggCanvas.Width := PaintBox1.Width;
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FAggCanvas.Height := PaintBox1.Height;
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Chart1.DisableRedrawing;
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Chart1.Title.Text.Text := 'AggPas';
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Chart1.Draw(TAggPasDrawer.Create(FAggCanvas), PaintBox1.Canvas.ClipRect);
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Chart1.Title.Text.Text := 'Standard';
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Chart1.EnableRedrawing;
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FBmp.LoadFromIntfImage(FAggCanvas.Image.IntfImg);
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PaintBox1.Canvas.Draw(0, 0, FBmp);
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end;
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end.
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