Yes, but GL_UNSIGNED_CHAR doesn't exist. so I don't know what to use...
2008/4/10, J.P. Delport <[EMAIL PROTECTED]>: > > Hi, > > sizeof(unsigned char) != sizeof(GL_UNSIGNED_SHORT) > > try GL_UNSIGNED_CHAR > > jp > > > Vincent Bourdier wrote: > > Hi All, > > > > I have a problem concerning writing image data. > > > > My code is simple : > > > > const long size = _x*_y*3; > > > > unsigned char* data = (unsigned char*)calloc(size, > > sizeof(unsigned char)); > > > > for(long i=0; i < size ; i+= 3) > > { > > data[i] = 0; //red > > data[i+1] = 0; //green > > data[i+2] = 0; //blue > > } > > > > osg::ref_ptr<osg::Image> image = new osg::Image; > > image->allocateImage(_x, _y, 1, GL_RGB, GL_UNSIGNED_SHORT); > > image->setOrigin(osg::Image::BOTTOM_LEFT);//start counting > > pixels on the Bottom left of the picture > > image->setImage(_x, _y, 1, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, > > data, osg::Image::NO_DELETE); > > > > osgDB::writeImageFile(*image, "Z:/autres/Gradient.jpg"); > > > > > > > > the result must be a black picture... but I've a totally different > > result (see attached file) > > > > Does anyone see a mistake ? > > > > Thanks. > > > > Regards, > > Vincent. > > > > > ------------------------------------------------------------------------ > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > -- > This message is subject to the CSIR's copyright terms and conditions, > e-mail legal notice, and implemented Open Document Format (ODF) standard. > The full disclaimer details can be found at > http://www.csir.co.za/disclaimer.html. > > This message has been scanned for viruses and dangerous content by > MailScanner, > and is believed to be clean. MailScanner thanks Transtec Computers for > their support. > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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