The link above points me to the following code snippet for reading with
ioproxy.
const void *buf = ...; // pointer to memory blocksize_t size = ...;
// length of memory block
ImageSpec config; // ImageSpec describing input configuration
optionsFilesystem::IOMemReader memreader (buf, size); // I/O proxy
objectvoid *ptr = &memreader;config.attribute ("oiio:ioproxy",
TypeDesc::PTR, &ptr);
ImageSpec spec;auto in = ImageInput::open ("in.exr", spec,
&config);in->read_image (...);in->close();
the call i'm having trouble compiling is
auto in = ImageInput::open ("in.exr", spec, &config);
I looked at RB-2.1 and the master branch and in both cases this
signature requires an object?
I looking at imageio.h the only static method for open has the
following signature
static unique_ptr open (const std::string& filename,
const ImageSpec *config = nullptr);
Maybe i'm not looking at the right branch?
On Mon, Dec 16, 2019 at 10:56 AM Larry Gritz <l...@larrygritz.com> wrote:
> Yes, I just fixed that in the source a couple days ago!
>
> I think the current docs for master should be updated already:
> https://openimageio.readthedocs.io/en/master/imageinput.html
> And the 2.1 ones will be fixed upon the next release.
>
>
>
> On Dec 16, 2019, at 10:24 AM, hyper654 <hyper...@gmail.com> wrote:
>
> I'm interested in using ioproxy to read exr file from a stream. I've been
> looking through the documentation on how to read a file from memory buffer
> but have noticed that some of the sample code is out of date?
> The example on page 72 of the pdf has
> ImageInput *in = ImageInput::open ("in.exr", spec, &config);
>
> This overload is no longer static
>
> https://github.com/OpenImageIO/oiio/blob/RB-2.1/src/include/OpenImageIO/imageio.h
> - Line 977
> I attempted to work around this by creating an object first via
> ImageInput::create, however i'm crashing. I'm wondering if there is an
> updated doc I can look at on how to properly use ioproxy?
>
> Looking at github,
> --
> -Jose Medina
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> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
>
> --
> Larry Gritz
> l...@larrygritz.com
>
>
>
>
> _______________________________________________
> Oiio-dev mailing list
> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
--
-Jose Medina
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