Hi Kedar,
On 28/06/12 19:10 , Kedar Kumbhar wrote:
> The normal method given in many examples to create a Texture2D, is using a
> Image file.
>
> Code:
> osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D;
> osg::ref_ptr<osg::Image> image = osgDB::readImageFile("Images/lz.rgb" );
> texture->setImage( image.get() );
>
> Instead, I have a osg::Vect4Array in which I have color information (rgba).
>
> How can I use this Vec4Array to create Texture2D?
Vec4Array is-a std::vector and contains a contiguous block of its base type,
such as
float. I haven't tested this, but you should be able to just call:
osg::Image::setImage(
width, height, 1,
GL_RGBA8,
GL_RGBA, GL_FLOAT,
(unsigned char*) &vec4Array[0], NO_DELETE);
Hope this helps,
Cheers,
/ulrich
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