HotPDF Chart Sample – losLab Software

This HotPDF Component example show charts in PDF document using TeeChart.

unit ChartUnit;

interface

uses
  {$IF CompilerVersion >= 16} Winapi.Windows, Winapi.Messages, System.SysUtils, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, VclTee.TeeGDIPlus, VclTee.TeEngine, VclTee.Series, VclTee.TeeProcs, VclTee.Chart,
  {$ELSE}Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls, TeEngine, Series, TeeProcs, Chart,
  {$ENDIF} HPDFDoc;

type
  TForm1 = class(TForm)
    RadioGroup1: TRadioGroup;
    DemoChart: TChart;
    BarSeries1: TBarSeries;
    BarSeries2: TBarSeries;
    BarSeries3: TBarSeries;
    Panel1: TPanel;
    Label1: TLabel;
    RadioGroup2: TRadioGroup;
    ComboBox1: TComboBox;
    Button1: TButton;
    procedure RadioGroup1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure RadioGroup2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.RadioGroup1Click(Sender: TObject);
begin
  Case RadioGroup1.ItemIndex of
    0: BarSeries1.MultiBar:=mbNone;
    1: BarSeries1.MultiBar:=mbSide;
    2: BarSeries1.MultiBar:=mbStacked;
    3: BarSeries1.MultiBar:=mbStacked100;
  end;
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  H: Integer;
begin
  DemoChart.View3D:=False;
  Randomize;
  {$IFDEF VER220}
  with BarSeries1 do
  	for H:=1 to 12 do Add( Random(100),FormatSettings.ShortMonthNames[H],clTeeColor);
  with BarSeries2 do
  	for H:=1 to 12 do Add( Random(100),FormatSettings.ShortMonthNames[H],clTeeColor);
  with BarSeries3 do
  for H:=1 to 12 do Add( Random(100),FormatSettings.ShortMonthNames[H],clTeeColor);
  {$ELSE}
  with BarSeries1 do
  	for H:=1 to 12 do Add( Random(100),ShortMonthNames[H],clTeeColor);
  with BarSeries2 do
  	for H:=1 to 12 do Add( Random(100),ShortMonthNames[H],clTeeColor);
  with BarSeries3 do
  for H:=1 to 12 do Add( Random(100),ShortMonthNames[H],clTeeColor);
  {$ENDIF}
  ComboBox1.Items.Clear;
  for H:=0 to DemoChart.SeriesCount-1 do
    ComboBox1.Items.Add(DemoChart.Series[H].Name);
  ComboBox1.ItemIndex:=0;
end;

procedure TForm1.RadioGroup2Click(Sender: TObject);
begin
  With DemoChart.Series[ComboBox1.ItemIndex] as TBarSeries do
    BarStyle:=TBarStyle(RadioGroup2.Itemindex);
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  HotPDF: THotPDF;
  ChartRect: TRect;
begin
  HotPDF := THotPDF.Create(nil);
  try
    case RadioGroup1.ItemIndex of
      0: HotPDF.FileName := 'PDFChart-Behind.pdf';
      1: HotPDF.FileName := 'PDFChart-SideToSide.pdf';
      2: HotPDF.FileName := 'PDFChart-Stacked.pdf';
      3: HotPDF.FileName := 'PDFChart-Stacked100.pdf';
    end;
    HotPDF.BeginDoc;
    ChartRect.Left := 0;
    ChartRect.Right := 800;
    ChartRect.Top := 0;
    ChartRect.Bottom := 600;
    DemoChart.PrintPartialCanvas( HotPDF.CurrentPage.Canvas, ChartRect );
    HotPDF.EndDoc;
  finally
    HotPDF.Free;
  end;
end;

end.

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unit ChartUnit;

interface

uses

{$IF CompilerVersion >= 16} Winapi.Windows, Winapi.Messages, System.SysUtils, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, VclTee.TeeGDIPlus, VclTee.TeEngine, VclTee.Series, VclTee.TeeProcs, VclTee.Chart,

{$ELSE}Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls, TeEngine, Series, TeeProcs, Chart,

{$ENDIF} HPDFDoc;

type

TForm1 = class(TForm)

RadioGroup1: TRadioGroup;

DemoChart: TChart;

BarSeries1: TBarSeries;

BarSeries2: TBarSeries;

BarSeries3: TBarSeries;

Panel1: TPanel;

Label1: TLabel;

RadioGroup2: TRadioGroup;

ComboBox1: TComboBox;

Button1: TButton;

procedure RadioGroup1Click(Sender: TObject);

procedure FormCreate(Sender: TObject);

procedure RadioGroup2Click(Sender: TObject);

procedure Button1Click(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.RadioGroup1Click(Sender: TObject);

begin

Case RadioGroup1.ItemIndex of

0: BarSeries1.MultiBar:=mbNone;

1: BarSeries1.MultiBar:=mbSide;

2: BarSeries1.MultiBar:=mbStacked;

3: BarSeries1.MultiBar:=mbStacked100;

end;

procedure TForm1.FormCreate(Sender: TObject);

var

H: Integer;

begin

DemoChart.View3D:=False;

Randomize;

{$IFDEF VER220}

with BarSeries1 do

for H:=1 to 12 do Add( Random(100),FormatSettings.ShortMonthNames[H],clTeeColor);

with BarSeries2 do

for H:=1 to 12 do Add( Random(100),FormatSettings.ShortMonthNames[H],clTeeColor);

with BarSeries3 do

for H:=1 to 12 do Add( Random(100),FormatSettings.ShortMonthNames[H],clTeeColor);

{$ELSE}

with BarSeries1 do

for H:=1 to 12 do Add( Random(100),ShortMonthNames[H],clTeeColor);

with BarSeries2 do

for H:=1 to 12 do Add( Random(100),ShortMonthNames[H],clTeeColor);

with BarSeries3 do

for H:=1 to 12 do Add( Random(100),ShortMonthNames[H],clTeeColor);

{$ENDIF}

ComboBox1.Items.Clear;

for H:=0 to DemoChart.SeriesCount-1 do

ComboBox1.Items.Add(DemoChart.Series[H].Name);

ComboBox1.ItemIndex:=0;

end;

procedure TForm1.RadioGroup2Click(Sender: TObject);

begin

With DemoChart.Series[ComboBox1.ItemIndex] as TBarSeries do

BarStyle:=TBarStyle(RadioGroup2.Itemindex);

end;

procedure TForm1.Button1Click(Sender: TObject);

var

HotPDF: THotPDF;

ChartRect: TRect;

begin

HotPDF := THotPDF.Create(nil);

try

case RadioGroup1.ItemIndex of

0: HotPDF.FileName := 'PDFChart-Behind.pdf';

1: HotPDF.FileName := 'PDFChart-SideToSide.pdf';

2: HotPDF.FileName := 'PDFChart-Stacked.pdf';

3: HotPDF.FileName := 'PDFChart-Stacked100.pdf';

end;

HotPDF.BeginDoc;

ChartRect.Left := 0;

ChartRect.Right := 800;

ChartRect.Top := 0;

ChartRect.Bottom := 600;

DemoChart.PrintPartialCanvas( HotPDF.CurrentPage.Canvas, ChartRect );

HotPDF.EndDoc;

finally

HotPDF.Free;

end;

end.

Author: losLab

Devoted to developing PDF and Spreadsheet developer library, including PDF creation, PDF manipulation, PDF rendering library, and Excel Spreadsheet creation & manipulation library. View all posts by losLab