SKImageFilter.CreateMatrixConvolution Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| CreateMatrixConvolution(SKSizeI, ReadOnlySpan<Single>, Single, Single, SKPointI, SKShaderTileMode, Boolean) |
Creates an image filter that applies a matrix convolution. |
| CreateMatrixConvolution(SKSizeI, ReadOnlySpan<Single>, Single, Single, SKPointI, SKShaderTileMode, Boolean, SKImageFilter) |
Creates an image filter that applies a matrix convolution. |
| CreateMatrixConvolution(SKSizeI, ReadOnlySpan<Single>, Single, Single, SKPointI, SKShaderTileMode, Boolean, SKImageFilter, SKRect) |
Creates an image filter that applies a matrix convolution. |
CreateMatrixConvolution(SKSizeI, ReadOnlySpan<Single>, Single, Single, SKPointI, SKShaderTileMode, Boolean)
Creates an image filter that applies a matrix convolution.
public static SkiaSharp.SKImageFilter CreateMatrixConvolution(SkiaSharp.SKSizeI kernelSize, ReadOnlySpan<float> kernel, float gain, float bias, SkiaSharp.SKPointI kernelOffset, SkiaSharp.SKShaderTileMode tileMode, bool convolveAlpha);Parameters
- kernelSize
- SKSizeI
The size of the convolution kernel.
- kernel
- ReadOnlySpan<Single>
The convolution kernel values.
- gain
- Single
The gain factor applied to each pixel.
- bias
- Single
The bias added to each pixel after applying the kernel.
- kernelOffset
- SKPointI
The offset within the kernel for the source pixel.
- tileMode
- SKShaderTileMode
The tile mode for edge handling.
- convolveAlpha
- Boolean
Whether to also convolve the alpha channel.
Returns
Returns the new SKImageFilter, or null on error.
Applies to
CreateMatrixConvolution(SKSizeI, ReadOnlySpan<Single>, Single, Single, SKPointI, SKShaderTileMode, Boolean, SKImageFilter)
Creates an image filter that applies a matrix convolution.
public static SkiaSharp.SKImageFilter CreateMatrixConvolution(SkiaSharp.SKSizeI kernelSize, ReadOnlySpan<float> kernel, float gain, float bias, SkiaSharp.SKPointI kernelOffset, SkiaSharp.SKShaderTileMode tileMode, bool convolveAlpha, SkiaSharp.SKImageFilter? input);Parameters
- kernelSize
- SKSizeI
The size of the convolution kernel.
- kernel
- ReadOnlySpan<Single>
The convolution kernel values.
- gain
- Single
The gain factor applied to each pixel.
- bias
- Single
The bias added to each pixel after applying the kernel.
- kernelOffset
- SKPointI
The offset within the kernel for the source pixel.
- tileMode
- SKShaderTileMode
The tile mode for edge handling.
- convolveAlpha
- Boolean
Whether to also convolve the alpha channel.
- input
- SKImageFilter
The input filter to use, or null to use the source bitmap.
Returns
Returns the new SKImageFilter, or null on error.
Applies to
CreateMatrixConvolution(SKSizeI, ReadOnlySpan<Single>, Single, Single, SKPointI, SKShaderTileMode, Boolean, SKImageFilter, SKRect)
Creates an image filter that applies a matrix convolution.
public static SkiaSharp.SKImageFilter CreateMatrixConvolution(SkiaSharp.SKSizeI kernelSize, ReadOnlySpan<float> kernel, float gain, float bias, SkiaSharp.SKPointI kernelOffset, SkiaSharp.SKShaderTileMode tileMode, bool convolveAlpha, SkiaSharp.SKImageFilter? input, SkiaSharp.SKRect cropRect);Parameters
- kernelSize
- SKSizeI
The size of the convolution kernel.
- kernel
- ReadOnlySpan<Single>
The convolution kernel values.
- gain
- Single
The gain factor applied to each pixel.
- bias
- Single
The bias added to each pixel after applying the kernel.
- kernelOffset
- SKPointI
The offset within the kernel for the source pixel.
- tileMode
- SKShaderTileMode
The tile mode for edge handling.
- convolveAlpha
- Boolean
Whether to also convolve the alpha channel.
- input
- SKImageFilter
The input filter to use, or null to use the source bitmap.
- cropRect
- SKRect
The rectangle to which the output processing will be limited.
Returns
Returns the new SKImageFilter, or null on error.
