+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_subtract.cpp
-** \brief Implementation of the "Subtract" valuenode conversion.
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007, 2008 Chris Moore
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "general.h"
-#include "valuenode_subtract.h"
-#include "valuenode_const.h"
-#include <stdexcept>
-#include "color.h"
-#include "gradient.h"
-#include "vector.h"
-#include "angle.h"
-#include "real.h"
-#include <ETL/misc>
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-synfig::ValueNode_Subtract::ValueNode_Subtract(const ValueBase &value):
- LinkableValueNode(value.get_type())
-{
- set_link("scalar",ValueNode_Const::create(Real(1.0)));
- ValueBase::Type id(value.get_type());
-
- switch(id)
- {
- case ValueBase::TYPE_ANGLE:
- set_link("lhs",ValueNode_Const::create(value.get(Angle())));
- set_link("rhs",ValueNode_Const::create(Angle::deg(0)));
- break;
- case ValueBase::TYPE_COLOR:
- set_link("lhs",ValueNode_Const::create(value.get(Color())));
- set_link("rhs",ValueNode_Const::create(Color(0,0,0,0)));
- break;
- case ValueBase::TYPE_GRADIENT:
- set_link("lhs",ValueNode_Const::create(value.get(Gradient())));
- set_link("rhs",ValueNode_Const::create(Gradient()));
- break;
- case ValueBase::TYPE_INTEGER:
- set_link("lhs",ValueNode_Const::create(value.get(int())));
- set_link("rhs",ValueNode_Const::create(int(0)));
- break;
- case ValueBase::TYPE_REAL:
- set_link("lhs",ValueNode_Const::create(value.get(Real())));
- set_link("rhs",ValueNode_Const::create(Real(0)));
- break;
- case ValueBase::TYPE_TIME:
- set_link("lhs",ValueNode_Const::create(value.get(Time())));
- set_link("rhs",ValueNode_Const::create(Time(0)));
- break;
- case ValueBase::TYPE_VECTOR:
- set_link("lhs",ValueNode_Const::create(value.get(Vector())));
- set_link("rhs",ValueNode_Const::create(Vector(0,0)));
- break;
- default:
- assert(0);
- throw runtime_error(get_local_name()+_(":Bad type ")+ValueBase::type_local_name(id));
- }
-
- assert(ref_a->get_type()==id);
- assert(ref_b->get_type()==id);
- assert(get_type()==id);
-
- DCAST_HACK_ENABLE();
-}
-
-LinkableValueNode*
-ValueNode_Subtract::create_new()const
-{
- return new ValueNode_Subtract(get_type());
-}
-
-ValueNode_Subtract*
-ValueNode_Subtract::create(const ValueBase& value)
-{
- return new ValueNode_Subtract(value);
-}
-
-synfig::ValueNode_Subtract::~ValueNode_Subtract()
-{
- unlink_all();
-}
-
-synfig::ValueBase
-synfig::ValueNode_Subtract::operator()(Time t)const
-{
- if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
- printf("%s:%d operator()\n", __FILE__, __LINE__);
-
- if(!ref_a || !ref_b)
- throw runtime_error(strprintf("ValueNode_Subtract: %s",_("One or both of my parameters aren't set!")));
- switch(get_type())
- {
- case ValueBase::TYPE_ANGLE:
- return ((*ref_a)(t).get(Angle())-(*ref_b)(t).get(Angle()))*(*scalar)(t).get(Real());
- case ValueBase::TYPE_COLOR:
- return ((*ref_a)(t).get(Color())-(*ref_b)(t).get(Color()))*(*scalar)(t).get(Real());
- case ValueBase::TYPE_GRADIENT:
- return ((*ref_a)(t).get(Gradient())-(*ref_b)(t).get(Gradient()))*(*scalar)(t).get(Real());
- case ValueBase::TYPE_INTEGER:
- return round_to_int(((*ref_a)(t).get(int())-(*ref_b)(t).get(int()))*(*scalar)(t).get(Real()));
- case ValueBase::TYPE_REAL:
- return ((*ref_a)(t).get(Vector::value_type())-(*ref_b)(t).get(Vector::value_type()))*(*scalar)(t).get(Real());
- case ValueBase::TYPE_TIME:
- return ((*ref_a)(t).get(Time())-(*ref_b)(t).get(Time()))*(*scalar)(t).get(Real());
- case ValueBase::TYPE_VECTOR:
- return ((*ref_a)(t).get(Vector())-(*ref_b)(t).get(Vector()))*(*scalar)(t).get(Real());
- default:
- assert(0);
- break;
- }
- return ValueBase();
-}
-
-bool
-ValueNode_Subtract::set_link_vfunc(int i,ValueNode::Handle value)
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: CHECK_TYPE_AND_SET_VALUE(ref_a, get_type());
- case 1: CHECK_TYPE_AND_SET_VALUE(ref_b, get_type());
- case 2: CHECK_TYPE_AND_SET_VALUE(scalar, ValueBase::TYPE_REAL);
- }
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_Subtract::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return ref_a;
- case 1: return ref_b;
- case 2: return scalar;
- default: return 0;
- }
-}
-
-int
-ValueNode_Subtract::link_count()const
-{
- return 3;
-}
-
-String
-ValueNode_Subtract::link_local_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return _("LHS");
- case 1: return _("RHS");
- case 2: return _("Scalar");
- default: return String();
- }
-}
-
-String
-ValueNode_Subtract::link_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return "lhs";
- case 1: return "rhs";
- case 2: return "scalar";
- default: return String();
- }
-}
-
-int
-ValueNode_Subtract::get_link_index_from_name(const String &name)const
-{
- if(name=="lhs") return 0;
- if(name=="rhs") return 1;
- if(name=="scalar") return 2;
- throw Exception::BadLinkName(name);
-}
-
-String
-ValueNode_Subtract::get_name()const
-{
- return "subtract";
-}
-
-String
-ValueNode_Subtract::get_local_name()const
-{
- return _("Subtract");
-}
-
-bool
-ValueNode_Subtract::check_type(ValueBase::Type type)
-{
- return type==ValueBase::TYPE_ANGLE
- || type==ValueBase::TYPE_COLOR
- || type==ValueBase::TYPE_GRADIENT
- || type==ValueBase::TYPE_INTEGER
- || type==ValueBase::TYPE_REAL
- || type==ValueBase::TYPE_TIME
- || type==ValueBase::TYPE_VECTOR;
-}
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