Function of JPEG Export by using OpenSlide

[Okamura, Hideki]

Hi Gilbert,

Thank you for your response and Sorry for my late response.
I really appreciate your support about where is the appropriate file/library.

Best Regards,
Hideki

-----Original Message-----
From: Benjamin Gilbert [mailto:bgilbert at cs.cmu.edu]
Sent: Wednesday, June 21, 2017 4:00 PM
To: openslide-users at lists.andrew.cmu.edu
Cc: Okamura, Hideki <hideki.okamura at philips.com>; Yuma, Kenichi <kenichi.yuma at philips.com>; Hayashi, Masayuki <masayuki.hayashi at philips.com>; Nakamura, Sayuri <sayuri.nakamura at philips.com>
Subject: Re: Function of JPEG Export by using OpenSlide

On Tue, Jun 20, 2017 at 05:54:41AM +0000, Okamura, Hideki wrote:
> We are consider to use the OpenSlide to view the tiff based WSI on
> Windows PC.  As we want to check the basic function such as Pan,
> Magnification, annotation and JPEG export, someone knows where the information is ??
> Especially, We would like to check if OpenSlide has the function of
> JPEG export of ROI.

Hi Hideki,

OpenSlide is a library, not a viewer application.  Its API documentation is
here:

    http://openslide.org/api/openslide_8h.html

The primary function of interest is openslide_read_region(), which returns an ROI as uncompressed ARGB pixel data.

Graphical applications that can read files with OpenSlide include nip2 <https://github.com/jcupitt/nip2/> and QuPath <https://qupath.github.io/>.
OpenSlide's Python bindings also include some example web-based viewers:
<https://github.com/openslide/openslide-python/tree/master/examples/deepzoom>.

--Benjamin Gilbert

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