Hi Daniel,
On 10/06/11 15:56 , Daniel Cámpora wrote:
> I'd like to use the image loaders OSG implements. I've succesfully fetched
> images from
> web links and my own HD. However, now I'm trying to do the same with an image
> stored in
> a string, in main memory.
>
> My OSG version is 2.9.9. The extension for the file is png, and considering s
> is the
> string containing the image, I've tried the following portion of code:
>
> Code: osg::ref_ptr<osg::Image> image;
> osgDB::ReaderWriter* rw =
> osgDB::Registry::instance()->getReaderWriterForExtension("png");
> if (rw) {
> osgDB::ReaderWriter::ReadResult rr = rw->readImage(s);
> if ( rr.success() )
> image = rr.takeImage();
> }
None of the plugins support reading from a string (a string is always
interpreted as a
file name), but some support reading from a stream, which can be a stringstream.
Try (from memory):
std::stringstream ss(s);
rw->readImage(ss);
Cheers,
/ulrich
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