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unit main;
{$mode objfpc}{$H+}
interface
uses
SysUtils, Forms, Graphics, Dialogs, ComCtrls, TAGraph, TASeries, TAFuncSeries, Classes;
type
{ TForm1 }
TForm1 = class(TForm)
Chart1: TChart;
Chart1BarSeries1: TBarSeries;
Chart1FuncSeries1: TFuncSeries;
SaveDialog1: TSaveDialog;
ToolBar1: TToolBar;
tbSaveAsBMP: TToolButton;
tbSaveAsPNG: TToolButton;
tbCopyToClipboard: TToolButton;
tbSaveAsJPEG: TToolButton;
tbSaveAsSVG: TToolButton;
procedure Chart1FuncSeries1Calculate(const AX: Double; out AY: Double);
procedure FormCreate(Sender: TObject);
procedure tbCopyToClipboardClick(Sender: TObject);
procedure tbSaveAsBMPClick(Sender: TObject);
procedure tbSaveAsJPEGClick(Sender: TObject);
procedure tbSaveAsPNGClick(Sender: TObject);
procedure tbSaveAsSVGClick(Sender: TObject);
private
function GetFileName(const AExt: String): String;
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
uses
TADrawerSVG, TADrawUtils, TADrawerCanvas;
{ TForm1 }
procedure TForm1.Chart1FuncSeries1Calculate(const AX: Double; out AY: Double);
begin
AY := AX * AX / 2;
end;
procedure TForm1.FormCreate(Sender: TObject);
var
i: Integer;
begin
RandSeed := 103489;
for i := 1 to 10 do
Chart1BarSeries1.AddXY(i, i * i / 2 + Random(6) + 1 + Random);
SaveDialog1.InitialDir := ExtractFilePath(Application.ExeName);
end;
function TForm1.GetFileName(const AExt: String): String;
begin
with SaveDialog1 do begin
FileName := '';
DefaultExt := AExt;
if not Execute then Abort;
Result := FileName;
end;
end;
procedure TForm1.tbCopyToClipboardClick(Sender: TObject);
begin
Chart1.CopyToClipboardBitmap;
end;
procedure TForm1.tbSaveAsBMPClick(Sender: TObject);
begin
Chart1.SaveToBitmapFile(GetFileName('bmp'));
end;
procedure TForm1.tbSaveAsJPEGClick(Sender: TObject);
begin
Chart1.SaveToFile(TJPEGImage, GetFileName('jpg'));
end;
procedure TForm1.tbSaveAsPNGClick(Sender: TObject);
begin
Chart1.SaveToFile(TPortableNetworkGraphic, GetFileName('png'));
end;
procedure TForm1.tbSaveAsSVGClick(Sender: TObject);
begin
Chart1.SaveToSVGFile(GetFilename('svg'));
end;
{ or ...
var
fs: TFileStream;
id: IChartDrawer;
begin
fs := TFileStream.Create(GetFileName('svg'), fmCreate);
try
id := TSVGDrawer.Create(fs, true);
with Chart1 do
Draw(id, Rect(0, 0, Width, Height));
finally
fs.Free;
end;
end; }
end.
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