function MakePoint(X, Y: Integer): TGPPoint; overload;
function MakePoint(X, Y: Single): TGPPointF; overload;
function MakeSize(Width, Height: Integer): TGPSize; overload;
function MakeSize(Width, Height: Single): TGPSizeF; overload;
function MakeRect(x, y, width, height: Integer): TGPRect; overload;
function MakeRect(x, y, width, height: Single): TGPRectF; overload;
function MakeRect(location: TGPPoint; size: TGPSize): TGPRect; overload;
function MakeRect(location: TGPPointF; size: TGPSizeF): TGPRectF; overload;
function MakeRect(const Rect: TRect): TGPRect; overload;
function MakeColor(r, g, b: Byte): ARGB; overload;
function MakeColor(a, r, g, b: Byte): ARGB; overload;
function MakeCharacterRange(First, Length: Integer): TCharacterRange;
//獲取透明度
function GetAlpha(color: ARGB): BYTE;
//獲取紅色成分
function GetRed(color: ARGB): BYTE;
//獲取綠色成分
function GetGreen(color: ARGB): BYTE;
//獲藍色成分
function GetBlue(color: ARGB): BYTE;
//Delphi 顏色轉換到 GDI+ 顏色
function ColorRefToARGB(rgb: COLORREF): ARGB;
//GDI+ 顏色轉換到 Delphi 顏色
function ARGBToColorRef(Color: ARGB): COLORREF;