FingerImage.fromYuvPlanes Method

Module: FingerImage

Definition

Creates an Image from the specified YUV planes.

@staticmethod
from_yuv_planes(y_plane: bytearray, u_plane: bytearray, v_plane: bytearray, y_width: int, y_height: int, uv_pixel_stride: int, uv_row_stride: int, dst_pixel_format: PixelFormat) -> FingerImage

Parameters

y_plane bytearray
in A buffer that contains the Y plane.

u_plane bytearray
in A buffer that contains the U plane.

v_plane bytearray
in A buffer that contains the V plane.

y_width int
in The width, in pixels, of the Y plane.

y_height int
in The height, in pixels, of the Y plane.

uv_pixel_stride int
in The pixel-level stride, in pixels, of the U and V planes.

uv_row_stride int
in The row-level stride, in pixels, of the U and V planes.

dst_pixel_format PixelFormat
in The pixel format into which to convert the input image.

Returns

FingerImage
The newly created finger image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
static FingerImage fromYuvPlanes(Uint8List? yPlane, Uint8List? uPlane, Uint8List? vPlane, int yWidth, int yHeight, int uvPixelStride, int uvRowStride, PixelFormat dstPixelFormat)

Parameters

yPlane Uint8List
in A buffer that contains the Y plane.

uPlane Uint8List
in A buffer that contains the U plane.

vPlane Uint8List
in A buffer that contains the V plane.

yWidth int
in The width, in pixels, of the Y plane.

yHeight int
in The height, in pixels, of the Y plane.

uvPixelStride int
in The pixel-level stride, in pixels, of the U and V planes.

uvRowStride int
in The row-level stride, in pixels, of the U and V planes.

dstPixelFormat PixelFormat
in The pixel format into which to convert the input image.

Returns

FingerImage
The newly created finger image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
public static FingerImage FromYuvPlanes(byte[] yPlane, byte[] uPlane, byte[] vPlane, int yWidth, int yHeight, int uvPixelStride, int uvRowStride, PixelFormat dstPixelFormat)

Parameters

yPlane byte[]
in A buffer that contains the Y plane.

uPlane byte[]
in A buffer that contains the U plane.

vPlane byte[]
in A buffer that contains the V plane.

yWidth int
in The width, in pixels, of the Y plane.

yHeight int
in The height, in pixels, of the Y plane.

uvPixelStride int
in The pixel-level stride, in pixels, of the U and V planes.

uvRowStride int
in The row-level stride, in pixels, of the U and V planes.

dstPixelFormat PixelFormat
in The pixel format into which to convert the input image.

Returns

FingerImage
The newly created finger image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
public static FingerImage fromYuvPlanes(byte[] yPlane, byte[] uPlane, byte[] vPlane, int yWidth, int yHeight, int uvPixelStride, int uvRowStride, PixelFormat dstPixelFormat) throws FingerException

Parameters

yPlane byte[]
in A buffer that contains the Y plane.

uPlane byte[]
in A buffer that contains the U plane.

vPlane byte[]
in A buffer that contains the V plane.

yWidth int
in The width, in pixels, of the Y plane.

yHeight int
in The height, in pixels, of the Y plane.

uvPixelStride int
in The pixel-level stride, in pixels, of the U and V planes.

uvRowStride int
in The row-level stride, in pixels, of the U and V planes.

dstPixelFormat PixelFormat
in The pixel format into which to convert the input image.

Returns

FingerImage
The newly created finger image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
public static func fromYuvPlanes(yPlane: [UInt8], uPlane: [UInt8], vPlane: [UInt8], yWidth: Int32, yHeight: Int32, uvPixelStride: Int32, uvRowStride: Int32, dstPixelFormat: PixelFormat) throws -> FingerImage

Parameters

yPlane [UInt8]
in A buffer that contains the Y plane.

uPlane [UInt8]
in A buffer that contains the U plane.

vPlane [UInt8]
in A buffer that contains the V plane.

yWidth Int32
in The width, in pixels, of the Y plane.

yHeight Int32
in The height, in pixels, of the Y plane.

uvPixelStride Int32
in The pixel-level stride, in pixels, of the U and V planes.

uvRowStride Int32
in The row-level stride, in pixels, of the U and V planes.

dstPixelFormat PixelFormat
in The pixel format into which to convert the input image.

Returns

FingerImage
The newly created finger image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
int id3FingerImage_FromYuvPlanes (
    ID3_FINGER_IMAGE hFingerImage,
    unsigned char * yPlane,
    int yPlaneSize,
    unsigned char * uPlane,
    int uPlaneSize,
    unsigned char * vPlane,
    int vPlaneSize,
    int yWidth,
    int yHeight,
    int uvPixelStride,
    int uvRowStride,
    id3FingerPixelFormat eDstPixelFormat)

Parameters

hFingerImage ID3_FINGER_IMAGE
in Handle to the FingerImage object.

yPlane unsigned char *
in A buffer that contains the Y plane.

yPlaneSize int
in Size of the ‘yPlane’ buffer.

uPlane unsigned char *
in A buffer that contains the U plane.

uPlaneSize int
in Size of the ‘uPlane’ buffer.

vPlane unsigned char *
in A buffer that contains the V plane.

vPlaneSize int
in Size of the ‘vPlane’ buffer.

yWidth int
in The width, in pixels, of the Y plane.

yHeight int
in The height, in pixels, of the Y plane.

uvPixelStride int
in The pixel-level stride, in pixels, of the U and V planes.

uvRowStride int
in The row-level stride, in pixels, of the U and V planes.

eDstPixelFormat id3FingerPixelFormat
in The pixel format into which to convert the input image.

Returns

int
An error code.
See id3FingerError file for the list of possible error codes.