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unit Main;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, TAGraph, TAChartImageList, TASources,
TAFuncSeries, Forms, Controls, Graphics, Dialogs, ComCtrls;
type
{ TfrmMain }
TfrmMain = class(TForm)
Chart1: TChart;
Chart1FuncSeries1: TFuncSeries;
Chart1FuncSeries2: TFuncSeries;
ChartImageList: TChartImageList;
ToolbarImages: TImageList;
ListView1: TListView;
RandomChartSource1: TRandomChartSource;
StatusBar1: TStatusBar;
ToolBar1: TToolBar;
tbAdd: TToolButton;
tbQuit: TToolButton;
tbSep1: TToolButton;
procedure Chart1FuncSeries1Calculate(const AX: Double; out AY: Double);
procedure Chart1FuncSeries2Calculate(const AX: Double; out AY: Double);
procedure ChartImageListPopulate(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure tbAddClick(Sender: TObject);
procedure tbQuitClick(Sender: TObject);
end;
var
frmMain: TfrmMain;
implementation
uses
LCLIntf, TATypes, TASeries;
{$R *.lfm}
{ TfrmMain }
procedure TfrmMain.Chart1FuncSeries1Calculate(const AX: Double; out AY: Double);
begin
AY := Sin(AX);
end;
procedure TfrmMain.Chart1FuncSeries2Calculate(const AX: Double; out AY: Double);
begin
AY := Cos(AX);
end;
procedure TfrmMain.ChartImageListPopulate(Sender: TObject);
begin
with ChartImageList do
StatusBar1.SimpleText := Format(
'Now %d images in image list. ' +
'Among them %d series images starting at index %d',
[Count, SeriesCount, FirstSeriesIndex]);
end;
procedure TfrmMain.FormCreate(Sender: TObject);
begin
ChartImageList.Chart := nil;
ChartImageList.AddImages(ToolbarImages);
ChartImageList.Chart := Chart1;
end;
procedure TfrmMain.tbAddClick(Sender: TObject);
var
series: TLineSeries;
sty: Integer;
begin
RandomChartSource1.RandSeed := Random(MaxInt);
series := TLineSeries.Create(Self);
series.SeriesColor := RGB(Random(256), Random(256), Random(256));
series.Pointer.Brush.Color := series.SeriesColor;
sty := Random(Ord(High(TSeriesPointerStyle)) + 5);
series.ShowPoints := sty <= Ord(High(TSeriesPointerStyle));
if series.ShowPoints then
series.Pointer.Style := TSeriesPointerStyle(sty);
series.ListSource.CopyFrom(RandomChartSource1);
Chart1.AddSeries(series);
with Listview1.Items.Add do begin
Caption := Format('run item %d', [ListView1.Items.Count]);
ImageIndex := ChartImageList.Count - 1;
end;
end;
procedure TfrmMain.tbQuitClick(Sender: TObject);
begin
Close;
end;
end.
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