/* === S Y N F I G ========================================================= */
/*! \file valuenode_scale.cpp
-** \brief Template File
+** \brief Implementation of the "Scale" valuenode conversion.
**
-** $Id: valuenode_scale.cpp,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
+** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 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
#include "valuenode_scale.h"
#include "valuenode_const.h"
#include <stdexcept>
-#include <cassert>
#include "color.h"
#include "vector.h"
#include "time.h"
#include "angle.h"
+#include <ETL/misc>
#endif
/* === M E T H O D S ======================================================= */
-ValueNode_Scale::ValueNode_Scale():LinkableValueNode(synfig::ValueBase::TYPE_NIL)
+ValueNode_Scale::ValueNode_Scale(const ValueBase &value):
+ LinkableValueNode(value.get_type())
{
set_scalar(1.0);
-}
+ ValueBase::Type id(value.get_type());
-ValueNode_Scale*
-ValueNode_Scale::create(const ValueBase& x)
-{
- ValueNode_Scale* value_node;
- switch(x.get_type())
+ switch(id)
{
- case ValueBase::TYPE_VECTOR:
- case ValueBase::TYPE_REAL:
- case ValueBase::TYPE_TIME:
- case ValueBase::TYPE_INTEGER:
case ValueBase::TYPE_ANGLE:
+ set_link("link",ValueNode_Const::create(value.get(Angle())));
+ break;
case ValueBase::TYPE_COLOR:
- value_node=new ValueNode_Scale();
- if(!value_node->set_value_node(ValueNode_Const::create(x)))
- return 0;
- assert(value_node->get_value_node()->get_type()==x.get_type());
+ 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("synfig::ValueNode_Scale:Bad type "+ValueBase::type_name(x.get_type()));
+ throw runtime_error("synfig::ValueNode_Scale:Bad type "+ValueBase::type_name(value.get_type()));
}
- assert(value_node);
- assert(value_node->get_type()==x.get_type());
- return value_node;
+ assert(value_node);
+ assert(get_value_node()->get_type()==id);
+ assert(get_type()==id);
}
LinkableValueNode*
ValueNode_Scale::create_new()const
{
- return new ValueNode_Scale();
+ return new ValueNode_Scale(get_type());
+}
+
+ValueNode_Scale*
+ValueNode_Scale::create(const ValueBase& value)
+{
+ return new ValueNode_Scale(value);
}
synfig::ValueNode_Scale::~ValueNode_Scale()
bool
ValueNode_Scale::set_value_node(const ValueNode::Handle &x)
{
- if(!x
- || ( get_type()==ValueBase::TYPE_NIL
- && !check_type(x->get_type()) )
- || ( get_type()!=ValueBase::TYPE_NIL
- && x->get_type()!=get_type() ) &&
- !PlaceholderValueNode::Handle::cast_dynamic(x)
- )
+ assert(get_type());
+
+ // if this isn't a proper value
+ if(!x ||
+ // or we don't have a type, and this value isn't one of the types we accept
+ (get_type()==ValueBase::TYPE_NIL && !check_type(x->get_type())) ||
+ // or we have a type and this value is a different type and (placeholder?)
+ (get_type()!=ValueBase::TYPE_NIL && x->get_type()!=get_type() && !PlaceholderValueNode::Handle::cast_dynamic(x)))
+ // then fail to set the value
return false;
- assert(!(PlaceholderValueNode::Handle::cast_dynamic(x) && !get_type()));
-
value_node=x;
- if(!get_type())
- set_type(x->get_type());
-
return true;
}
{
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_VECTOR)
- return (*value_node)(t).get(Vector())*(*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_INTEGER)
- return (*value_node)(t).get(int())*(*scalar)(t).get(Real());
- else
- if(get_type()==ValueBase::TYPE_ANGLE)
+ else if(get_type()==ValueBase::TYPE_ANGLE)
return (*value_node)(t).get(Angle())*(*scalar)(t).get(Real());
- else
- if(get_type()==ValueBase::TYPE_COLOR)
+ 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_r()*s);
- ret.set_b(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();
bool
ValueNode_Scale::set_link_vfunc(int i,ValueNode::Handle x)
{
- if(!(i==0 || i==1))
- return false;
+ assert(i>=0 && i<link_count());
if(i==0 && !set_value_node(x))
return false;
ValueNode::LooseHandle
ValueNode_Scale::get_link_vfunc(int i)const
{
- assert(i==0 || i==1);
+ assert(i>=0 && i<link_count());
+
if(i==0)
return value_node;
else if(i==1)
String
ValueNode_Scale::link_local_name(int i)const
{
- assert(i==0 || i==1);
+ assert(i>=0 && i<link_count());
+
if(i==0)
return _("Link");
else if(i==1)
String
ValueNode_Scale::link_name(int i)const
{
- assert(i==0 || i==1);
+ assert(i>=0 && i<link_count());
+
if(i==0)
return "link";
else if(i==1)
ValueNode_Scale::check_type(ValueBase::Type type)
{
return
- type==ValueBase::TYPE_VECTOR ||
- type==ValueBase::TYPE_REAL ||
- type==ValueBase::TYPE_INTEGER ||
+ type==ValueBase::TYPE_ANGLE ||
type==ValueBase::TYPE_COLOR ||
- type==ValueBase::TYPE_ANGLE;
+ type==ValueBase::TYPE_INTEGER ||
+ type==ValueBase::TYPE_REAL ||
+ type==ValueBase::TYPE_TIME ||
+ type==ValueBase::TYPE_VECTOR;
}