Method

VipsImagemagicksave_buffer

Declaration [src] 

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

Description [src]

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.

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

See also

vips_magicksave(), vips_image_write_to_file().

This method is not directly available to language bindings.

Parameters

buf

Type: 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 method.
len

Type: size_t*

Return output length here.

The data is owned by the caller of the method.
...

Type: 

NULL-terminated list of optional named arguments.

Return value

Type: int

0 on success, -1 on error.