Vips.Image.pdfload_buffer (original) (raw)
Constructor
VipsImagepdfload_buffer
Declaration [src]
int
vips_pdfload_buffer (
void* buf,
size_t len,
VipsImage** out,
...
)
Description [src]
Read a PDF-formatted memory buffer into a VIPS image. Exactly asvips_pdfload(), but read from memory.
You must not free the buffer while out is active. TheVipsObject::postclose signal on out is a good place to free.
Optional arguments
page:gint, load this page, numbered from zeron:gint, load this many pagesdpi:gdouble, render at this DPIscale:gdouble, scale render by this factorbackground: VipsArrayDouble, background colour
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
Image to write.
| 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. |
...
Type: ``
NULL-terminated list of optional named arguments.
Return value
Type: int
0 on success, -1 on error.