Method

VipsImagemagicksave_buffer

Declaration [src]

int
vips_magicksave_buffer (
  VipsImage* in,
  void** buf,
  size_t* len,
  ...
)

Description [src]

Optional arguments:

quality: %gint, quality factor
format: %gchararray, format to save as
optimize_gif_frames: %gboolean, apply GIF frames optimization
optimize_gif_transparency: %gboolean, apply GIF transparency optimization
bitdepth: %gint, number of bits per pixel

As vips_magicksave(), but save to a memory buffer.

The address of the buffer is returned in obuf, the length of the buffer in olen. You are responsible for freeing the buffer with g_free() when you are done with it.

See also: vips_magicksave(), vips_image_write_to_file().

This method is not directly available to language bindings.

Parameters

`buf`	An array of `guint8`
	Return output buffer here.
	The length of the array is specified in the `len` argument.
	The data is owned by the caller of the function.
`len`	`size_t*`
	Return output length here.
	The data is owned by the caller of the function.
`...`
	`NULL`-terminated list of optional named arguments.

Return value

Returns:	`int`
	0 on success, -1 on error.