Vcl.Imaging.GIFImg.InternalGetDIBSizes

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Delphi

procedure InternalGetDIBSizes(Bitmap: HBITMAP; var InfoHeaderSize: Integer; var ImageSize: longInt; PixelFormat: TPixelFormat);

C++

extern DELPHI_PACKAGE void __fastcall InternalGetDIBSizes(HBITMAP Bitmap, int &InfoHeaderSize, int &ImageSize, Vcl::Graphics::TPixelFormat PixelFormat);

Properties

Type	Visibility	Source	Unit	Parent
procedure function	public	Vcl.Imaging.GIFImg.pas Vcl.Imaging.GIFImg.hpp	Vcl.Imaging.GIFImg	Vcl.Imaging.GIFImg

Description

Calculates the buffer sizes nescessary for converting a bitmap into a DIB of a specified pixel format.

Call InternalGetDIBSizes to calculate the buffer sizes necessary when converting a bitmap into a DIB of a specified pixel format.

The parameters of InternalGetDIBSizes are listed in the following table, together with their meanings.

Parameter	Meaning
Bitmap	The handle of the source bitmap.
InfoHeaderSize	The returned size of a buffer that will receive the DIB's TBitmapInfo structure.
ImageSize	The returned size of a buffer that will receive the DIB's pixel data.
PixelFormat	The pixel format of the destination DIB.

See Also

• TPixelFormat

• InternalGetDIB