TSharedCustomBitmap

type TSharedCustomBitmap = class(TSharedRasterImage)

protected

  procedure FreeHandle; override;

FreeHandle frees Palette then calls inherited FreeHandle

  procedure FreePalette;

FreePalette - release the Palette

  procedure FreeImage;

FreeImage - release the Image from the Bitmap

  function ReleasePalette;

ReleasePalette - returns the Handle of the released Palette

  function GetPixelFormat;

GetPixelFormat - returns the format for the Pixels in this Bitmap

  function IsEmpty; override;

IsEmpty - checks if there is actually an image at the reference, and returns True if there is not

public

  constructor Create; override;

Create - constructor for TSharedCustomBitmap: calls inherited Create and initialises the image

  destructor Destroy; override;

Destroy - destructor for TSharedCustomBitmap: frees stream, handle and image, then calls inherited Destroy

  function HandleAllocated; override;

Has a handle been allocated for this image?

  function ImageAllocated;

ImageAllocated - returns True if an image has been allocated

  property HandleType: TBitmapHandleType; [rw]

HandleType the type of Bitmap Handle that has been allocated

  property Height: Integer; [r]

The Height of the Bitmap

  property PixelFormat: TPixelFormat; [r]

PixelFormat - the format for the Pixels in this Bitmap

  property Width: Integer; [r]

The Width of the Bitmap

end;

TSharedCustomBitmap

TSharedCustomBitmap - a reference counted base class for TSharedBitmap, TSharedPixmap, TSharedJPEGImage, TSharedPortableNetworkGraphic and TSharedPortableAnyMapGraphic

TSharedRasterImage

TSharedRasterImage - a reference counted raster image (may be shared between several controls)

TSharedImage

TSharedImage - base class for reference counted images

TObject