It seems a little misleading or a bug that Texture2D::getNumImages()
always returns 1 even if the _image member variable is NULL. Shouldn't
it return 0 if the _image member is NULL?
I know it seems odd to have a Texture2D with a NULL _image, but I took a
look at the ive reader and it appears that if it fails to read the image
file then the Texture2D's _image will end up being NULL. See below:
>> From ive reader plugin Texture2D::read()
IncludeImageMode includeImg = (IncludeImageMode)in->readChar();
osg::Image *image = in->readImage(includeImg);
if(image) {
setImage(image);
}
Alex
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