DelphiX 圖像處理：TDIB.Spray 噴灑/飛濺效果

效果預覽

功能說明

TDIB.Spray(Density: Integer) 產生類似噴槍飛濺的隨機像素擾動。參數 Density 控制密度，範例使用 2。

完整程式碼

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 ImgPath = 'C:\Temp\DX.jpg';
begin
  DXPaintBox1.DIB.LoadFromFile(ImgPath);
  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.

表單定義 (DFM 節錄)

object Form1: TForm1
  ClientHeight = 142; ClientWidth = 226
  object DXPaintBox1: TDXPaintBox; Left = 8; Top = 8; Width = 81; Height = 73; end
  object Button1: TButton; Left = 143; Top = 78; Caption = 'Load'; end
  object Button2: TButton; Left = 143; Top = 109; Caption = 'Spray'; end
end