Allow the 'linear' convert type to work with colors and integers, like the 'timed...

[synfig.git] / synfig-core / trunk / src / synfig / valuenode_linear.cpp

diff --git a/synfig-core/trunk/src/synfig/valuenode_linear.cpp b/synfig-core/trunk/src/synfig/valuenode_linear.cpp
index b8ca108..df82057 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_linear.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_linear.cpp
@@ -32,6 +32,7 @@
 #include "valuenode_linear.h"
 #include "valuenode_const.h"
 #include "general.h"
+#include "color.h"
 
 #endif
 
@@ -49,29 +50,37 @@ using namespace synfig;
 
 /* === M E T H O D S ======================================================= */
 
-ValueNode_Linear::ValueNode_Linear(const ValueBase::Type &x):
-       LinkableValueNode(x)
+ValueNode_Linear::ValueNode_Linear(const ValueBase &value):
+       LinkableValueNode(value.get_type())
 {
-       switch(x)
+       switch(get_type())
        {
+       case ValueBase::TYPE_ANGLE:
+               set_link("slope",ValueNode_Const::create(Angle::deg(0)));
+               set_link("offset",ValueNode_Const::create(value.get(Angle())));
+               break;
+       case ValueBase::TYPE_COLOR:
+               set_link("slope",ValueNode_Const::create(Color(0,0,0,0)));
+               set_link("offset",ValueNode_Const::create(value.get(Color())));
+               break;
+       case ValueBase::TYPE_INTEGER:
+               set_link("slope",ValueNode_Const::create(int(0)));
+               set_link("offset",ValueNode_Const::create(value.get(int())));
+               break;
        case ValueBase::TYPE_REAL:
-               set_link("slope",ValueNode_Const::create(Real(1)));
-               set_link("offset",ValueNode_Const::create(Real(0)));
+               set_link("slope",ValueNode_Const::create(Real(0)));
+               set_link("offset",ValueNode_Const::create(value.get(Real())));
                break;
        case ValueBase::TYPE_TIME:
-               set_link("slope",ValueNode_Const::create(Time(1)));
-               set_link("offset",ValueNode_Const::create(Time(0)));
+               set_link("slope",ValueNode_Const::create(Time(0)));
+               set_link("offset",ValueNode_Const::create(value.get(Time())));
                break;
        case ValueBase::TYPE_VECTOR:
-               set_link("slope",ValueNode_Const::create(Vector(1.0,1.0)));
-               set_link("offset",ValueNode_Const::create(Vector(0.0,0.0)));
-               break;
-       case ValueBase::TYPE_ANGLE:
-               set_link("slope",ValueNode_Const::create(Angle::deg(90)));
-               set_link("offset",ValueNode_Const::create(Angle::deg(0)));
+               set_link("slope",ValueNode_Const::create(Vector(0,0)));
+               set_link("offset",ValueNode_Const::create(value.get(Vector())));
                break;
        default:
-               throw Exception::BadType(ValueBase::type_name(x));
+               throw Exception::BadType(ValueBase::type_name(get_type()));
        }
 
        DCAST_HACK_ENABLE();
@@ -80,7 +89,7 @@ ValueNode_Linear::ValueNode_Linear(const ValueBase::Type &x):
 ValueNode_Linear*
 ValueNode_Linear::create(const ValueBase &x)
 {
-       return new ValueNode_Linear(x.get_type());
+       return new ValueNode_Linear(x);
 }
 
 ValueNode_Linear::~ValueNode_Linear()
@@ -93,14 +102,18 @@ ValueNode_Linear::operator()(Time t)const
 {
        switch(get_type())
        {
-       case ValueBase::TYPE_TIME:
-               return (*m_)(t).get(Time())*t+(*b_)(t).get(Time());
+       case ValueBase::TYPE_ANGLE:
+               return (*m_)(t).get( Angle())*t+(*b_)(t).get( Angle());
+       case ValueBase::TYPE_COLOR:
+               return (*m_)(t).get( Color())*t+(*b_)(t).get( Color());
+       case ValueBase::TYPE_INTEGER:
+               return static_cast<int>((*m_)(t).get(int())*t+(*b_)(t).get(int()) + 0.5f);
        case ValueBase::TYPE_REAL:
-               return (*m_)(t).get(Real())*t+(*b_)(t).get(Real());
+               return (*m_)(t).get(  Real())*t+(*b_)(t).get(  Real());
+       case ValueBase::TYPE_TIME:
+               return (*m_)(t).get(  Time())*t+(*b_)(t).get(  Time());
        case ValueBase::TYPE_VECTOR:
                return (*m_)(t).get(Vector())*t+(*b_)(t).get(Vector());
-       case ValueBase::TYPE_ANGLE:
-               return (*m_)(t).get(Angle())*t+(*b_)(t).get(Angle());
        default:
                assert(0);
                break;
@@ -124,10 +137,13 @@ ValueNode_Linear::get_local_name()const
 bool
 ValueNode_Linear::check_type(ValueBase::Type type)
 {
-       return type==ValueBase::TYPE_REAL
-               || type==ValueBase::TYPE_VECTOR
-               || type==ValueBase::TYPE_TIME
-               || type==ValueBase::TYPE_ANGLE;
+       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    ;
 }
 
 bool
@@ -153,11 +169,8 @@ ValueNode::LooseHandle
 ValueNode_Linear::get_link_vfunc(int i)const
 {
        assert(i==0 || i==1);
-       if(i==0)
-               return m_;
-       if(i==1)
-               return b_;
-
+       if(i==0) return m_;
+       if(i==1) return b_;
        return 0;
 }
 
@@ -171,10 +184,8 @@ String
 ValueNode_Linear::link_name(int i)const
 {
        assert(i==0 || i==1);
-       if(i==0)
-               return "slope";
-       if(i==1)
-               return "offset";
+       if(i==0) return "slope";
+       if(i==1) return "offset";
        return String();
 }
 
@@ -185,10 +196,13 @@ ValueNode_Linear::link_local_name(int i)const
        if(i==0)
                switch(get_type())
                {
+               case ValueBase::TYPE_ANGLE:
+               case ValueBase::TYPE_COLOR:
+               case ValueBase::TYPE_INTEGER:
                case ValueBase::TYPE_REAL:
                case ValueBase::TYPE_TIME:
-               case ValueBase::TYPE_ANGLE:
                        return _("Rate");
+               case ValueBase::TYPE_VECTOR:
                default:
                        return _("Slope");
                }
@@ -200,10 +214,8 @@ ValueNode_Linear::link_local_name(int i)const
 int
 ValueNode_Linear::get_link_index_from_name(const String &name)const
 {
-       if(name=="slope")
-               return 0;
-       if(name=="offset")
-               return 1;
+       if(name=="slope")  return 0;
+       if(name=="offset") return 1;
 
        throw Exception::BadLinkName(name);
 }