再學GDI+[60]: TGPGraphics.SetSmoothingMode - 繪圖質量(2)

窗體文件:object Form1: TForm1
　Left = 0
　Top = 0
　Caption = 'Form1'
　ClIEntHeight = 108
　ClIEntWidth = 286
　Color = clBtnFace
　Font.Charset = DEFAULT_CHARSET
　Font.Color = clWindowText
　Font.Height = -11
　Font.Name = 'Tahoma'
　Font.Style = []
　OldCreateOrder = False
　Position = poDesktopCenter
　OnCreate = FormCreate
　OnPaint = FormPaint
　PixelsPerInch = 96
　TextHeight = 13
　object ListBox1: TListBox
　　Left = 133
　　Top = 8
　　Width = 145
　　Height = 73
　　ItemHeight = 13
　　TabOrder = 0
　　OnClick = ListBox1Click
　end
end繪圖質量參數:SmoothingModeInvalid　　 = -1; {指定一個無效模式}
SmoothingModeDefault　　 = 0;　{指定不消除鋸齒}
SmoothingModeHighSpeed　 = 1;　{指定高速度、低質量呈現}
SmoothingModeHighQuality = 2;　{指定高質量、低速度呈現}
SmoothingModeNone　　　　= 3;　{指定不消除鋸齒}
SmoothingModeAntiAlias　 = 4;　{指定消除鋸齒的呈現}