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  • Delphi 与 DirectX 之 DelphiX(68): TDIB.DoNovaEffect();


    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;
        procedure Button1Click(Sender: TObject);
        procedure Button2Click(Sender: TObject);
      end;
    
    var
      Form1: TForm1;
    
    implementation
    
    {$R *.dfm}
    
    procedure TForm1.Button1Click(Sender: TObject);
    const
      ImgPath1 = 'C:\Temp\DX.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.DoNovaEffect(16,
                                   48,
                                   255,
                                   DXPaintBox1.DIB.Width div 3,
                                   DXPaintBox1.DIB.Height div 3,
                                   18,
                                   1,
                                   1,
                                   2782,
                                   2585,
                                   nil);
      DXPaintBox1.Repaint;
    end;
    
    end.
    

    窗体文件:
    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
    
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  • 原文地址:https://www.cnblogs.com/del/p/1377588.html
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