int
vips_image_inplace (
VipsImage* image
)
Gets image ready for an in-place operation, such as vips_draw_circle(). After calling this function you can both read and write the image with VIPS_IMAGE_ADDR().
This method is called for you by the base class of the draw operations, there’s no need to call it yourself.
Since this function modifies image, it is not thread-safe. Only call it on images which you are sure have not been shared with another thread. All in-place operations are inherently not thread-safe, so you need to take great care in any case.
Type: int
0 on success, or -1 on error.
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