SKColorTable Class
Definition
Important
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Caution
The Index8 color type and color table is no longer supported.
Holds a premultiplied color table for indexed 8-bit bitmaps.
[System.Obsolete("The Index8 color type and color table is no longer supported.")]
public class SKColorTable : SkiaSharp.SKObject- Inheritance
- Attributes
Remarks
This class is used to represent a color lookup table for indexed bitmap images. The table can contain up to MaxLength (256) colors (8 bits). The colors are stored are premultiplied 32-bit colors.
Constructors
| Name | Description |
|---|---|
| SKColorTable() |
Initializes a new instance of the SKColorTable class with 256 empty elements. |
| SKColorTable(Int32) |
Creates a color table with the specified number of elements, with empty colors. |
| SKColorTable(SKColor[], Int32) |
Creates a color table with the provided unpremultiplied colors, but only consumes the first count elements from the colors array. |
| SKColorTable(SKColor[]) |
Creates a color table with the provided unpremultiplied colors, up to MaxLength (256) colors can be provided. |
| SKColorTable(SKPMColor[], Int32) |
Creates a color table with the provided premultiplied colors, but only consumes the first count elements from the colors array. |
| SKColorTable(SKPMColor[]) |
Creates a color table with the provided premultiplied colors, up to MaxLength (256) colors can be provided. |
Fields
| Name | Description |
|---|---|
| MaxLength |
Gets the maximum number of colors in the color lookup table. |
Properties
| Name | Description |
|---|---|
| Colors |
Gets a copy of the premultiplied colors in the color table. |
| Count |
Gets the number of colors in the lookup table. |
| Handle |
Gets or sets the handle to the underlying native object. (Inherited from SKObject) |
| IgnorePublicDispose |
Gets or sets a value indicating whether the call the public Dispose() should be no-op. (Inherited from SKNativeObject) |
| IsDisposed |
Gets or sets a value indicating whether the object has already been disposed. (Inherited from SKNativeObject) |
| Item[Int32] |
Gets the premultiplied color at the specified index. |
| OwnsHandle |
Gets or sets a value indicating whether this object owns its handle and should destroy the native object when it is disposed. (Inherited from SKNativeObject) |
| UnPreMultipledColors |
Gets a copy of the unpremultiplied colors in the color table. |
Methods
| Name | Description |
|---|---|
| Dispose() |
Releases all resources used by this SKNativeObject. (Inherited from SKNativeObject) |
| Dispose(Boolean) |
Releases the unmanaged resources used by the SKColorTable and optionally releases the managed resources. |
| DisposeInternal() |
Triggers a dispose, ignoring the value of IgnorePublicDispose. (Inherited from SKNativeObject) |
| DisposeManaged() |
Implemented by derived SKObject types to destroy any managed objects. (Inherited from SKObject) |
| DisposeNative() |
Implemented by derived SKObject types to destroy any native objects. (Inherited from SKObject) |
| DisposeUnownedManaged() |
Implemented by derived SKObject types to dispose managed objects that are not owned by this instance. (Inherited from SKObject) |
| GetUnPreMultipliedColor(Int32) |
Returns the unpremultiplied color at the specified index. |
| ReadColors() |
Returns an unmanaged pointer to the color lookup table. |
