Bitmap.from_buffer

Description:

public Bitmap.from_buffer (Buffer buffer, PixelFormat format, int width, int height, int rowstride, int offset)

Wraps some image data that has been uploaded into a Buffer as a Bitmap.

The data is not copied in this process.

buffer	A Buffer containing image data
format	The PixelFormat defining the format of the image data in the given `buffer`.
width	The width of the image data in the given `buffer`.
height	The height of the image data in the given `buffer`.
rowstride	The rowstride in bytes of the image data in the given `buffer`.
offset	The offset into the given `buffer` to the first pixel that should be considered part of the Bitmap.

a Bitmap encapsulating the given buffer.