本例效果圖:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs;
type
TForm1 = class(TForm)
procedure FormPaint(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormPaint(Sender: TObject);
const
str = 'Delphi';
var
Rgn: HRGN;
x,y: Integer;
begin
Canvas.Font.Size := 68;
Canvas.Font.Style := [fsBold];
SetBkMode(Canvas.Handle, TRANSPARENT);
x := (ClIEntWidth - Canvas.TextWidth(str)) div 2;
y := (ClIEntHeight - Canvas.TextHeight(str)) div 3;
{建立路徑}
BeginPath(Canvas.Handle);
Canvas.TextOut(x, y, str);
EndPath(Canvas.Handle);
{將路徑轉換為區域}
Rgn := PathToRegion(Canvas.Handle);
{繪制}
Canvas.Brush.Color := clSilver;
Canvas.Brush.Style := bsDiagCross;
FillRgn(Canvas.Handle, Rgn, Canvas.Brush.Handle);
Canvas.Brush.Color := clRed;
Canvas.Brush.Style := bsSolid;
FrameRgn(Canvas.Handle, Rgn, Canvas.Brush.Handle, 1, 1);
DeleteObject(Rgn);
end;
end.