Method

VipsImagewrite_line

Declaration [src] 

int
vips_image_write_line (
  VipsImage* image,
  int ypos,
  VipsPel* linebuffer
)

Description [src]

Write a line of pixels to an image. This function must be called repeatedly with ypos increasing from 0 to VipsImage::height . linebuffer must be VIPS_IMAGE_SIZEOF_LINE() bytes long.

See also: vips_image_generate().

Parameters

ypos int
 

Vertical position of scan-line to write.
linebuffer VipsPel
 

Scanline of pixels.
 The data is owned by the caller of the function.

Return value

Returns: int
 

0 on success, or -1 on error.