Image.fromRawBuffer Method¶

Module: Image

Definition¶

Creates an Image from the specified raw data buffer.

Python

@staticmethod
from_raw_buffer(pixels: bytearray, width: int, height: int, stride: int, src_pixel_format: PixelFormat, dst_pixel_format: PixelFormat) -> Image

Parameters

pixels bytearray

in A buffer that contains image pixels.

width int

in The width, in pixels, of the image.

height int

in The height, in pixels, of the image.

stride int

in The stride, in pixels, of the image.

src_pixel_format PixelFormat

in The pixel format of the input image.

dst_pixel_format PixelFormat

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

Returns

Image

The newly created image.

Exceptions

FaceException

An error has occurred during Face Library execution.

Dart

static Image fromRawBuffer(Uint8List? pixels, int width, int height, int stride, PixelFormat srcPixelFormat, PixelFormat dstPixelFormat)

Parameters

pixels Uint8List

in A buffer that contains image pixels.

width int

in The width, in pixels, of the image.

height int

in The height, in pixels, of the image.

stride int

in The stride, in pixels, of the image.

srcPixelFormat PixelFormat

in The pixel format of the input image.

dstPixelFormat PixelFormat

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

Returns

Image

The newly created image.

Exceptions

FaceException

An error has occurred during Face Library execution.

public static Image FromRawBuffer(byte[] pixels, int width, int height, int stride, PixelFormat srcPixelFormat, PixelFormat dstPixelFormat)

Parameters

pixels byte[]

in A buffer that contains image pixels.

width int

in The width, in pixels, of the image.

height int

in The height, in pixels, of the image.

stride int

in The stride, in pixels, of the image.

srcPixelFormat PixelFormat

in The pixel format of the input image.

dstPixelFormat PixelFormat

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

Returns

Image

The newly created image.

Exceptions

FaceException

An error has occurred during Face Library execution.

Java

public static Image fromRawBuffer(byte[] pixels, int width, int height, int stride, PixelFormat srcPixelFormat, PixelFormat dstPixelFormat) throws FaceException

Parameters

pixels byte[]

in A buffer that contains image pixels.

width int

in The width, in pixels, of the image.

height int

in The height, in pixels, of the image.

stride int

in The stride, in pixels, of the image.

srcPixelFormat PixelFormat

in The pixel format of the input image.

dstPixelFormat PixelFormat

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

Returns

Image

The newly created image.

Exceptions

FaceException

An error has occurred during Face Library execution.

Swift

public static func fromRawBuffer(pixels: [UInt8], width: Int32, height: Int32, stride: Int32, srcPixelFormat: PixelFormat, dstPixelFormat: PixelFormat) throws -> Image

Parameters

pixels [UInt8]

in A buffer that contains image pixels.

width Int32

in The width, in pixels, of the image.

height Int32

in The height, in pixels, of the image.

stride Int32

in The stride, in pixels, of the image.

srcPixelFormat PixelFormat

in The pixel format of the input image.

dstPixelFormat PixelFormat

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

Returns

Image

The newly created image.

Exceptions

FaceException

An error has occurred during Face Library execution.

int id3FaceImage_FromRawBuffer (
    ID3_FACE_IMAGE hImage,
    unsigned char * pixels,
    int pixelsSize,
    int width,
    int height,
    int stride,
    id3FacePixelFormat eSrcPixelFormat,
    id3FacePixelFormat eDstPixelFormat)

Parameters

hImage ID3_FACE_IMAGE

in Handle to the Image object.

pixels unsigned char *

in A buffer that contains image pixels.

pixelsSize int

in Size of the ‘pixels’ buffer.

width int

in The width, in pixels, of the image.

height int

in The height, in pixels, of the image.

stride int

in The stride, in pixels, of the image.

eSrcPixelFormat id3FacePixelFormat

in The pixel format of the input image.

eDstPixelFormat id3FacePixelFormat

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

Returns

int

An error code.

See id3FaceError file for the list of possible error codes.