+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_scale.cpp
-** \brief Implementation of the "Scale" 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_scale.h"
-#include "valuenode_const.h"
-#include <stdexcept>
-#include "color.h"
-#include "vector.h"
-#include "time.h"
-#include "angle.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 ======================================================= */
-
-ValueNode_Scale::ValueNode_Scale(const ValueBase &value):
- LinkableValueNode(value.get_type())
-{
- set_link("scalar",ValueNode::Handle(ValueNode_Const::create(Real(1.0))));
- ValueBase::Type id(value.get_type());
-
- switch(id)
- {
- case ValueBase::TYPE_ANGLE:
- set_link("link",ValueNode_Const::create(value.get(Angle())));
- break;
- case ValueBase::TYPE_COLOR:
- set_link("link",ValueNode_Const::create(value.get(Color())));
- break;
- case ValueBase::TYPE_INTEGER:
- set_link("link",ValueNode_Const::create(value.get(int())));
- break;
- case ValueBase::TYPE_REAL:
- set_link("link",ValueNode_Const::create(value.get(Real())));
- break;
- case ValueBase::TYPE_TIME:
- set_link("link",ValueNode_Const::create(value.get(Time())));
- break;
- case ValueBase::TYPE_VECTOR:
- set_link("link",ValueNode_Const::create(value.get(Vector())));
- break;
- default:
- assert(0);
- throw runtime_error(get_local_name()+_(":Bad type ")+ValueBase::type_local_name(id));
- }
-
- assert(value_node);
- assert(value_node->get_type()==id);
- assert(get_type()==id);
-}
-
-LinkableValueNode*
-ValueNode_Scale::create_new()const
-{
- return new ValueNode_Scale(get_type());
-}
-
-ValueNode_Scale*
-ValueNode_Scale::create(const ValueBase& value)
-{
- return new ValueNode_Scale(value);
-}
-
-synfig::ValueNode_Scale::~ValueNode_Scale()
-{
- unlink_all();
-}
-
-synfig::ValueBase
-synfig::ValueNode_Scale::operator()(Time t)const
-{
- if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
- printf("%s:%d operator()\n", __FILE__, __LINE__);
-
- if(!value_node || !scalar)
- throw runtime_error(strprintf("ValueNode_Scale: %s",_("One or both of my parameters aren't set!")));
- else if(get_type()==ValueBase::TYPE_ANGLE)
- return (*value_node)(t).get(Angle())*(*scalar)(t).get(Real());
- else if(get_type()==ValueBase::TYPE_COLOR)
- {
- Color ret((*value_node)(t).get(Color()));
- Real s((*scalar)(t).get(Real()));
- ret.set_r(ret.get_r()*s);
- ret.set_g(ret.get_g()*s);
- ret.set_b(ret.get_b()*s);
- return ret;
- }
- else if(get_type()==ValueBase::TYPE_INTEGER)
- return round_to_int((*value_node)(t).get(int())*(*scalar)(t).get(Real()));
- else if(get_type()==ValueBase::TYPE_REAL)
- return (*value_node)(t).get(Real())*(*scalar)(t).get(Real());
- else if(get_type()==ValueBase::TYPE_TIME)
- return (*value_node)(t).get(Time())*(*scalar)(t).get(Time());
- else if(get_type()==ValueBase::TYPE_VECTOR)
- return (*value_node)(t).get(Vector())*(*scalar)(t).get(Real());
-
- assert(0);
- return ValueBase();
-}
-
-synfig::ValueBase
-synfig::ValueNode_Scale::get_inverse(Time t, const synfig::Vector &target_value) const
-{
- Real scalar_value((*scalar)(t).get(Real()));
- if(scalar_value==0)
- throw runtime_error(strprintf("ValueNode_Scale: %s",_("Attempting to get the inverse of a non invertible Valuenode")));
- else
- {
- switch (get_type())
- {
- case ValueBase::TYPE_REAL:
- return target_value.mag() / scalar_value;
- case ValueBase::TYPE_ANGLE:
- return Angle::tan(target_value[1] / scalar_value ,target_value[0] / scalar_value);
- default:
- return target_value / scalar_value;
- }
- }
- return ValueBase();
-}
-
-synfig::ValueBase
-synfig::ValueNode_Scale::get_inverse(Time t, const synfig::Angle &target_value) const
-{
- Real scalar_value((*scalar)(t).get(Real()));
- if(scalar_value==0)
- throw runtime_error(strprintf("ValueNode_Scale: %s",_("Attempting to get the inverse of a non invertible Valuenode")));
- else
- {
- switch (get_type())
- {
- default:
- return (*value_node)(t).get(Angle()) + target_value / scalar_value;
- }
- }
- return ValueBase();
-}
-
-bool
-synfig::ValueNode_Scale::is_invertible(Time t) const
-{
- Real scalar_value((*scalar)(t).get(Real()));
- return (!scalar_value==0);
-}
-
-bool
-ValueNode_Scale::set_link_vfunc(int i,ValueNode::Handle value)
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: CHECK_TYPE_AND_SET_VALUE(value_node, get_type());
- case 1: CHECK_TYPE_AND_SET_VALUE(scalar, ValueBase::TYPE_REAL);
- }
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_Scale::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<link_count());
-
- if(i==0)
- return value_node;
- else if(i==1)
- return scalar;
- return 0;
-}
-
-int
-ValueNode_Scale::link_count()const
-{
- return 2;
-}
-
-String
-ValueNode_Scale::link_local_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- if(i==0)
- return _("Link");
- else if(i==1)
- return _("Scalar");
- return String();
-}
-
-String
-ValueNode_Scale::link_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- if(i==0)
- return "link";
- else if(i==1)
- return "scalar";
- return String();
-}
-
-int
-ValueNode_Scale::get_link_index_from_name(const String &name)const
-{
- if(name=="link")
- return 0;
- if(name=="scalar")
- return 1;
-
- throw Exception::BadLinkName(name);
-}
-
-String
-ValueNode_Scale::get_name()const
-{
- return "scale";
-}
-
-String
-ValueNode_Scale::get_local_name()const
-{
- return _("Scale");
-}
-
-bool
-ValueNode_Scale::check_type(ValueBase::Type type)
-{
- return
- type==ValueBase::TYPE_ANGLE ||
- type==ValueBase::TYPE_COLOR ||
- type==ValueBase::TYPE_INTEGER ||
- type==ValueBase::TYPE_REAL ||
- type==ValueBase::TYPE_TIME ||
- type==ValueBase::TYPE_VECTOR;
-}
projects / synfig.git / blobdiff