DelphiX 圖像處理：TDIB.AddGradiantNoise 漸層雜訊

效果預覽

功能說明

TDIB.AddGradiantNoise(Intensity: Integer) 疊加具有漸層分佈特性的雜訊。參數 Intensity 0~255，範例使用 64。

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.AddGradiantNoise(64);
  DXPaintBox1.Repaint;
end;

end.