struct's properties obfuscation

#include <stdio.h>

struct Texture
{
    int GetWidth() const;
    int GetHeight() const;
};
struct _Texture
{
    int width;
    int height;
    _Texture()
    {
        printf("ctor %p\n", this);
    }
    ~_Texture()
    {
        printf("dtor %p\n", this);
    }
};
int Texture::GetWidth() const
{
    return ((_Texture*)this)->width;
}
int Texture::GetHeight() const
{
    return ((_Texture*)this)->height;
}


Texture* CreateTexture(int width, int height)
{
    _Texture* t = new _Texture;
    t->width = width;
    t->height = height;
    return (Texture*)t;
}
void DeleteTexture(Texture* texture)
{
    _Texture* t = (_Texture*)texture;
    delete t;
}

int main()
{
    Texture* t = CreateTexture(320, 240);
    printf("%i x %i\n", t->GetWidth(), t->GetHeight());
    DeleteTexture(t);
    return 0;
}