Delphi与DirectX之DelphiX(90): TDIB.DrawMorphed();

本例效果图:

代码文件:

unit Unit1;
interface
uses
　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
　 Dialogs, DIB, StdCtrls;
type
　 TForm1 = class(TForm)
　　 DXPaintBox1: TDXPaintBox;
　　 Button1: TButton;
　　 Button2: TButton;
　　 Button3: TButton;
　　 procedure Button1Click(Sender: TObject);
　　 procedure Button2Click(Sender: TObject);
　　 procedure Button3Click(Sender: TObject);
　 end;
var
　 Form1: TForm1;
implementation
{$R *.dfm}
const
　 c1 = clRed;
　 c2 = clYellow;
var
　 w,h: Integer;
procedure TForm1.Button1Click(Sender: TObject);
begin
　 w := DXPaintBox1.ClientWidth;
　 h := DXPaintBox1.ClientHeight;
　 DXPaintBox1.DIB.SetSize(w, h, 24);
　 DXPaintBox1.DIB.Fill(c1);
　 DXPaintBox1.DIB.Canvas.Brush.Style := bsClear;
　 DXPaintBox1.DIB.Canvas.Font.Color := c2;
　 DXPaintBox1.DIB.Canvas.Font.Name := 'Arial Black';
　 DXPaintBox1.DIB.Canvas.Font.Size := 36;
　 DXPaintBox1.DIB.Canvas.Font.Style := [fsBold];
　 DXPaintBox1.DIB.Canvas.TextOut(20, 10, 'DelphiX');
　 DXPaintBox1.Repaint;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
　 DXPaintBox1.DIB.DrawMorphed(DXPaintBox1.DIB, 0, 0, w, h, 0, 0, c2);
　 DXPaintBox1.Repaint;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
　 DXPaintBox1.DIB.DrawMorphed(DXPaintBox1.DIB, 0, 0, w, h, 0, 0, c1);
　 DXPaintBox1.Repaint;
end;
end.