再學GDI+[93]: TGPImage(13) - 調整圖像紅、綠、藍三原色及透明度(2)

窗體文件:object Form1: TForm1
　Left = 0
　Top = 0
　Caption = 'Form1'
　ClIEntHeight = 259
　ClIEntWidth = 219
　Color = clBtnFace
　Font.Charset = DEFAULT_CHARSET
　Font.Color = clWindowText
　Font.Height = -11
　Font.Name = 'Tahoma'
　Font.Style = []
　OldCreateOrder = False
　Position = poDesktopCenter
　OnCreate = FormCreate
　OnDestroy = FormDestroy
　OnPaint = FormPaint
　PixelsPerInch = 96
　TextHeight = 13
　object Label1: TLabel
　　Left = 23
　　Top = 160
　　Width = 24
　　Height = 13
　　Caption = #32418#33394
　end
　object Label2: TLabel
　　Left = 23
　　Top = 184
　　Width = 24
　　Height = 13
　　Caption = #32511#33394
　end
　object Label3: TLabel
　　Left = 23
　　Top = 206
　　Width = 24
　　Height = 13
　　Caption = #34013#33394
　end
　object Label4: TLabel
　　Left = 11
　　Top = 230
　　Width = 36
　　Height = 13
　　Caption = #36879#26126#24230
　end
　object TrackBar1: TTrackBar
　　Left = 48
　　Top = 157
　　Width = 164
　　Height = 45
　　TabOrder = 0
　　OnChange = TrackBar1Change
　end
　object TrackBar2: TTrackBar
　　Left = 48
　　Top = 179
　　Width = 164
　　Height = 45
　　TabOrder = 1
　　OnChange = TrackBar2Change
　end
　object TrackBar3: TTrackBar
　　Left = 48
　　Top = 201
　　Width = 163
　　Height = 45
　　TabOrder = 2
　　OnChange = TrackBar3Change
　end
　object TrackBar4: TTrackBar
　　Left = 48
　　Top = 224
　　Width = 163
　　Height = 45
　　TabOrder = 3
　　OnChange = TrackBar4Change
　end
end