Declaration

function CombineInfo(Bitmap: TCustomBitmap32): TCombineInfo;

Parameters

Parameter	Type	Description
Bitmap	TCustomBitmap32	Source bitmap whose master alpha, draw mode, combine mode, outer color, and pixel combine event are queried.

Returns

Type	Description
TCombineInfo	A TCombineInfo record containing drawing modes, master alpha, combine callbacks, and transparent color extracted from the specified bitmap.

Description

The CombineInfo function queries drawing configuration properties from the specified Bitmap and constructs a corresponding TCombineInfo structure.

The returned record copies:

• SrcAlpha from Bitmap.MasterAlpha
• DrawMode from Bitmap.DrawMode (resetting dmCustom to dmOpaque if OnPixelCombine is unassigned)
• CombineMode from Bitmap.CombineMode
• CombineCallBack from Bitmap.OnPixelCombine
• TransparentColor from Bitmap.OuterColor