Delphi 與 DirectX 之 DelphiX(27): TDIB.Spray();

本例效果圖:

　　代碼文件:

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;
　　procedure Button1Click(Sender: TObject);
　　procedure Button2Click(Sender: TObject);
　end;
var
　Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
const
　ImgPath1 = 'C:TempDX.jpg';
begin
　DXPaintBox1.DIB.LoadFromFile(ImgPath1);
　DXPaintBox1.Width := DXPaintBox1.DIB.Width;
　DXPaintBox1.Height := DXPaintBox1.DIB.Height;
　DXPaintBox1.Repaint;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
　DXPaintBox1.DIB.Spray(2);
　DXPaintBox1.Repaint;
end;
end.

　　窗體文件:

object Form1: TForm1
　Left = 0
　Top = 0
　Caption = 'Form1'
　ClIEntHeight = 142
　ClIEntWidth = 226
　Color = clBtnFace
　Font.Charset = DEFAULT_CHARSET
　Font.Color = clWindowText
　Font.Height = -11
　Font.Name = 'Tahoma'
　Font.Style = []
　OldCreateOrder = False
　PixelsPerInch = 96
　TextHeight = 13
　object DXPaintBox1: TDXPaintBox
　　Left = 8
　　Top = 8
　　Width = 81
　　Height = 73
　　AutoStretch = False
　　Center = False
　　KeepASPect = False
　　Stretch = False
　　VIEwWidth = 0
　　VIEwHeight = 0
　end
　object Button1: TButton
　　Left = 143
　　Top = 78
　　Width = 75
　　Height = 25
　　Caption = 'Button1'
　　TabOrder = 0
　　OnClick = Button1Click
　end
　object Button2: TButton
　　Left = 143
　　Top = 109
　　Width = 75
　　Height = 25
　　Caption = 'Button2'
　　TabOrder = 1
　　OnClick = Button2Click
　end
end