Vips.Image.thumbnail_buffer (original) (raw)
Constructor
VipsImagethumbnail_buffer
Declaration [src]
int
vips_thumbnail_buffer (
void* buf,
size_t len,
VipsImage** out,
int width,
...
)
Description [src]
Exactly as vips_thumbnail(), but read from a memory buffer.
One extra optional argument, option_string, lets you pass options to the underlying loader.
Optional arguments
height:gint, target height in pixelssize: VipsSize, upsize, downsize, both or forceno_rotate:gboolean, don’t rotate upright using orientation tagcrop: VipsInteresting, shrink and crop to fill targetlinear:gboolean, perform shrink in linear lightinput_profile:gchararray, fallback input ICC profileoutput_profile:gchararray, output ICC profileintent: VipsIntent, rendering intentfail_on: VipsFailOn, load error types to fail onoption_string:gchararray, extra loader options
This constructor is not directly available to language bindings.
Parameters
buf
Type: An array of guint8
Memory area to load.
| The length of the array is specified in the len argument. |
|---|
| The data is owned by the caller of the function. |
len
Type: size_t
Size of memory area.
out
Type: VipsImage
Output image.
| The argument will be set by the function. |
|---|
| The caller of the function takes ownership of the returned data, and is responsible for freeing it. |
width
Type: int
Target width in pixels.
...
Type: ``
NULL-terminated list of optional named arguments.
Return value
Type: int
0 on success, -1 on error.