void set_matte_node_t::do_calc_defined( const render::render_context_t& context)
{
if( get_value<bool>( param( "premultiply")))
set_defined( intersect( input(0)->defined(), intersect( input(1)->defined(), interest())));
else
set_defined( input(0)->defined());
}
void copy_channels_node_t::do_calc_defined( const render::render_context_t& context)
{
Imath::Box2i def1 = input(0)->defined();
Imath::Box2i def2 = input(1)->defined();
int ch_r = get_value<int>( param( "red"));
int ch_g = get_value<int>( param( "green"));
int ch_b = get_value<int>( param( "blue"));
int ch_a = get_value<int>( param( "alpha"));
// use alpha from input 1
if( ch_a == copy_source)
{
set_defined( def1);
return;
}
// alpha comes from input2
if( ch_a != set_one && ch_a != set_zero)
{
set_defined( def2);
return;
}
// alpha is zero or one, look at the other channels
Imath::Box2i def;
if( ch_r == copy_source)
def = def1;
else
{
if( ch_r != set_zero && ch_r != set_one)
def = def2;
}
if( ch_g == copy_source)
def.extendBy( def1);
else
{
if( ch_g != set_zero && ch_r != set_one)
def.extendBy( def2);
}
if( ch_b == copy_source)
def.extendBy( def1);
else
{
if( ch_b != set_zero && ch_r != set_one)
def.extendBy( def2);
}
if( def.isEmpty())
def = def1;
set_defined( def);
}
void keyer3d_node_t::do_calc_defined( const render::context_t& context)
{
image_node_t *in0 = input_as<image_node_t>( 0);
if( input( 1) && !is_active())
{
Imath::Box2i def( Imath::intersect( in0->defined(), input_as<image_node_t>( 1)->defined()));
set_defined( def);
}
else
set_defined( in0->defined());
}
void generator_node_t::do_calc_defined( const render::context_t& context)
{
//if( crop_to_format())
set_defined( ImathExt::intersect( bounds(), interest()));
//else
//set_defined( interest()); // infinite images
}
void crop_node_t::do_calc_defined( const render::render_context_t& context)
{
Imath::Box2i def( intersect( input()->defined(), intersect( domain(), interest())));
set_defined( def);
}
