VipsImagenew_from_file_raw

VipsImage*
vips_image_new_from_file_raw (
  const char* filename,
  int xsize,
  int ysize,
  int bands,
  guint64 offset
)

This function maps the named file and returns a VipsImage you can use to read it.

It returns an 8-bit image with bands bands. If the image is not 8-bit, use vips_copy() to transform the descriptor after loading it.

filename

Type: const char*

Filename to open.

The data is owned by the caller of the function.

The value is a NUL terminated UTF-8 string.

xsize

Type: int

Image width.

ysize

Type: int

Image height.

bands

Type: int

Image bands (or bytes per pixel).

offset

Type: guint64

Bytes to skip at start of file.

The new VipsImage, or NULL on error.

The caller of the function takes ownership of the data, and is responsible for freeing it.