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vrmeta
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fmvrmeta.pas
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Pascal/Delphi Source File
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1996-09-15
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3KB
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105 lines
unit Fmvrmeta;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs, Menus, ExtCtrls,VRMeta;
type
TForm1 = class(TForm)
MainMenu1: TMainMenu;
Draw1: TMenuItem;
Image1: TImage;
File1: TMenuItem;
Load1: TMenuItem;
Circle1: TMenuItem;
Rectangle1: TMenuItem;
Create1: TMenuItem;
Save1: TMenuItem;
Show1: TMenuItem;
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure Create1Click(Sender: TObject);
procedure Load1Click(Sender: TObject);
procedure Save1Click(Sender: TObject);
procedure Circle1Click(Sender: TObject);
procedure Rectangle1Click(Sender: TObject);
procedure Show1Click(Sender: TObject);
private
{ Private declarations }
VrMetafile: TVRMetafile;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
begin { TForm1.FormCreate }
VrMetafile := TVrMetafile.Create;
end; { TForm1.FormCreate }
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin { TForm1.FormClose }
VrMetafile.Free;
end; { TForm1.FormClose }
procedure TForm1.Create1Click(Sender: TObject);
begin { TForm1.Create1Click }
VrMetafile.Free;
VrMetafile := TVRMetafile.Create;
with VRMetafile do
begin
Height:=96;
Width:=96;
with Canvas do
begin
Font := Form1.Font;
TextOut( 10, 10, 'Hello World');
Ellipse( 0, 0, 1000, 1000);
end;
{No need to close as we are going to save which will close for us}
SaveToFile( 'MyWMF.WMF');
end;
end; { TForm1.Create1Click }
procedure TForm1.Load1Click(Sender: TObject);
begin { TForm1.Load1Click }
VrMetafile.LoadFromFile('MyWmf.wmf');
end; { TForm1.Load1Click }
procedure TForm1.Save1Click(Sender: TObject);
begin { TForm1.Save1Click }
VrMetafile.SaveToFile( 'MyWMF.WMF');
end; { TForm1.Save1Click }
procedure TForm1.Show1Click(Sender: TObject);
begin { TForm1.Show1Click }
Image1.Picture.Metafile := VrMetafile;
end; { TForm1.Show1Click }
procedure TForm1.Circle1Click(Sender: TObject);
begin { TForm1.Circle1Click }
VrMetafile.Canvas.Ellipse(10,10,800,800);
{no need to close as savetofile will do it for us}
VrMetafile.SaveToFile( 'MyWMF.WMF');
end; { TForm1.Circle1Click }
procedure TForm1.Rectangle1Click(Sender: TObject);
begin { TForm1.Rectangle1Click }
VrMetafile.Canvas.Rectangle(50,50,500,500);
{since were only going to assign we must close first
ie this doesnt actually acces a VRMeta method first!!!}
VrMetafile.close;
Image1.Picture.Metafile := VrMetafile;
end; { TForm1.Rectangle1Click }
end. { Unit FmVrMeta }