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Implements the base class for a reference-counted shared image.
Source position: graphics.pp line 1350
type TSharedCustomBitmap = class(TSharedRasterImage) |
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protected |
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procedure FreeHandle; override; |
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Frees the Handle and the Palette for the shared Bitmap. |
procedure FreePalette; |
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Frees the handle in the Palette property. |
procedure FreeImage; |
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Frees raw image data for the shared bitmap and resets its image descriptor. |
function ReleasePalette; |
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Returns the Handle of the released Palette. |
function GetPixelFormat; |
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Gets the value for the PixelFormat property. |
function IsEmpty; override; |
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Determines if the shared bitmap is empty. |
public |
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constructor Create; override; |
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Create - constructor for TSharedCustomBitmap: calls inherited Create and initializes the image. |
destructor Destroy; override; |
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Destructor for the class instance. |
function HandleAllocated; override; |
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Determines if the handle for the shared bitmap has been allocated. |
function ImageAllocated; |
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ImageAllocated - returns True if an image has been allocated. |
property HandleType: TBitmapHandleType; [rw] |
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HandleType the type of Bitmap Handle that has been allocated. |
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The Height of the Bitmap. |
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property PixelFormat: TPixelFormat; [r] |
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Storage format for pixels in the raw image data. |
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The Width of the Bitmap. |
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end; |
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Implements the base class for a reference-counted shared image. |
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Implements a reference counted raster image that may be shared between controls. |
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Specifies the base class for reference-counted shared images. |
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TObject |
TSharedCustomBitmap is a TSharedRasterImage descendant which implements the base class for reference-counted shared images, like: TSharedBitmap, TSharedPixmap, TSharedJPEGImage, TSharedPortableNetworkGraphic and TSharedPortableAnyMapGraphic.
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Implements a reference counted raster image that may be shared between controls. |
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Defines a reference-counted shared Bitmap graphic. |
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Implements a reference-counted shared Pixmap image type. |
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TSharedJpegImage - a reference counted shared image of type JPEG. |
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TSharedPortableNetworkGraphic - a reference counted PNG Image. |
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TSharedPortableAnyMapGraphic - a reference counted shared PNM. |
Version 3.2 | Generated 2024-02-25 | Home |