void
Duck::set_sub_trans_point(const synfig::Point &x, const synfig::Time &time)
{
set_sub_trans_point(x);
if(get_type() == Duck::TYPE_VERTEX
|| get_type() == Duck::TYPE_POSITION
|| get_type() == Duck::TYPE_WIDTHPOINT_POSITION)
{
ValueNode_BLineCalcVertex::Handle bline_vertex;
ValueNode_Composite::Handle composite;
if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(get_value_desc().get_value_node())) ||
((composite = ValueNode_Composite::Handle::cast_dynamic(get_value_desc().get_value_node())) &&
composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
(bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
{
synfig::Point closest_point = get_point();
synfig::Real radius = 0.0;
ValueNode_BLine::Handle bline = ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link("bline"));
synfig::find_closest_point(
(*bline)(time),
get_point(),
radius,
bline->get_loop(),
&closest_point);
set_point(closest_point);
}
ValueNode_Composite::Handle wpoint_composite;
ValueNode_WPList::Handle wplist;
wpoint_composite=ValueNode_Composite::Handle::cast_dynamic(get_value_desc().get_value_node());
if(wpoint_composite && wpoint_composite->get_type() == ValueBase::TYPE_WIDTHPOINT)
if(get_value_desc().parent_is_value_node())
{
wplist=ValueNode_WPList::Handle::cast_dynamic(get_value_desc().get_parent_value_node());
if(wplist)
{
ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(wplist->get_bline()));
synfig::Point closest_point = get_point();
synfig::Real radius = 0.0;
synfig::find_closest_point(
(*bline)(time),
get_point(),
radius,
bline->get_loop(),
&closest_point);
set_point(closest_point);
}
}
}
}
void
Action::ValueDescSet::prepare()
{
clear();
// If we are a reference value node, then
// we need to distribute the changes to the
// referenced value node
if(value_desc.is_value_node() && ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueDesc reference_value_desc(ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()),0);
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",value);
action->set_param("value_desc",reference_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// if we are a boneinfluence value node, then we need to distribute the changes to the linked value node
// This is only valid for vector type converted to bone influence
// Not valid for a whole blinepoint converted to bone influence
if(value_desc.is_value_node() && value.get_type() == type_vector)
{
if (ValueNode_BoneInfluence::Handle bone_influence_value_node =
ValueNode_BoneInfluence::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueDesc bone_influence_value_desc(bone_influence_value_node,
bone_influence_value_node->get_link_index_from_name("link"));
if (bone_influence_value_node->has_inverse_transform())
value = bone_influence_value_node->get_inverse_transform().get_transformed(value.get(Vector()));
else
throw Error(_("this node isn't editable - in the future it will be greyed to prevent editing"));
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",value);
action->set_param("value_desc",bone_influence_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
}
// Set ValueNode_Average
if(value_desc.is_value_node() && ValueNode_Average::check_type(value.get_type()))
{
if (ValueNode_Average::Handle bone_average_value_node =
ValueNode_Average::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase::List values_list;
values_list.reserve(bone_average_value_node->link_count());
for(int i = 0; i < bone_average_value_node->link_count(); ++i)
values_list.push_back((*bone_average_value_node->get_link(i))(time));
ValueAverage::set_average_value_generic(values_list.begin(), values_list.end(), value);
for(int i = 0; i < bone_average_value_node->link_count(); ++i)
{
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",values_list[i]);
action->set_param("value_desc",ValueDesc(value_desc.get_value_node(), i));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
return;
}
}
// Set ValueNode_WeightedAverage
if(value_desc.is_value_node() && ValueNode_WeightedAverage::check_type(value.get_type()))
{
if (ValueNode_WeightedAverage::Handle bone_weighted_average_value_node =
ValueNode_WeightedAverage::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase::List values_list;
values_list.reserve(bone_weighted_average_value_node->link_count());
for(int i = 0; i < bone_weighted_average_value_node->link_count(); ++i)
values_list.push_back((*bone_weighted_average_value_node->get_link(i))(time));
ValueBase values_list_value(values_list);
ValueAverage::set_average_value_weighted(values_list_value, value);
const ValueBase::List &new_values_list = values_list_value.get_list();
for(int i = 0; i < bone_weighted_average_value_node->link_count(); ++i)
{
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_values_list[i]);
action->set_param("value_desc",ValueDesc(value_desc.get_value_node(), i));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
return;
}
}
// If we are a bone link value node, then
// we need to change the transformation part
if(value_desc.is_value_node() && ValueNode_BoneLink::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueNode_BoneLink::Handle value_node = ValueNode_BoneLink::Handle::cast_dynamic(value_desc.get_value_node());
ValueDesc base_value_desc(value_node, value_node->get_link_index_from_name("base_value"));
ValueBase new_base_value =
ValueTransformation::back_transform(
value_node->get_bone_transformation(time), value );
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_base_value);
action->set_param("value_desc",base_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// If we are a composite value node, then
// we need to distribute the changes to the
// individual parts
// except if we are TYPE WIDTHPOINT which is handled individually
if(value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
&& value_desc.get_value_node()->get_type()!=type_width_point)
{
ValueBase components[8];
int n_components(0);
Type &type(value.get_type());
if (type == type_vector)
{
components[0]=value.get(Vector())[0];
components[1]=value.get(Vector())[1];
n_components=2;
}
else
if (type == type_color)
{
components[0]=value.get(Color()).get_r();
components[1]=value.get(Color()).get_g();
components[2]=value.get(Color()).get_b();
components[3]=value.get(Color()).get_a();
n_components=4;
}
else
if (type == type_segment)
{
components[0]=value.get(Segment()).p1;
components[1]=value.get(Segment()).t1;
components[2]=value.get(Segment()).p2;
components[3]=value.get(Segment()).t2;
n_components=4;
}
else
if (type == type_transformation)
{
components[0]=value.get(Transformation()).offset;
components[1]=value.get(Transformation()).angle;
components[2]=value.get(Transformation()).skew_angle;
components[3]=value.get(Transformation()).scale;
n_components=4;
}
else
if (type == type_bline_point)
{
components[0]=value.get(BLinePoint()).get_vertex();
components[1]=value.get(BLinePoint()).get_width();
components[2]=value.get(BLinePoint()).get_origin();
components[3]=value.get(BLinePoint()).get_split_tangent_both();
components[4]=value.get(BLinePoint()).get_tangent1();
components[5]=value.get(BLinePoint()).get_tangent2();
components[6]=value.get(BLinePoint()).get_split_tangent_radius();
components[7]=value.get(BLinePoint()).get_split_tangent_angle();
n_components=8;
}
else
if (dynamic_cast<synfig::types_namespace::TypeWeightedValueBase*>(&type) != NULL)
{
types_namespace::TypeWeightedValueBase *tp =
dynamic_cast<synfig::types_namespace::TypeWeightedValueBase*>(&type);
components[0]=tp->extract_weight(value);
components[1]=tp->extract_value(value);
n_components=2;
}
else
throw Error(_("Bad type for composite (%s)"), type.description.local_name.c_str());
for(int i=0;i<n_components;i++)
{
ValueDesc component_value_desc(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()),i);
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",components[i]);
action->set_param("value_desc",component_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
return;
}
// If we are a RADIAL composite value node, then
// we need to distribute the changes to the
// individual parts
if(value_desc.is_value_node() && ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase components[6];
int n_components(0);
Type &type(value.get_type());
if (type == type_vector)
{
Angle old_angle = (*(ValueNode_RadialComposite::Handle::cast_dynamic(
value_desc.get_value_node())->get_link("theta")))(time).get(Angle());
Vector vect(value.get(Vector()));
components[0]=vect.mag();
Angle change = Angle(Angle::tan(vect[1],vect[0])) - old_angle;
while (change < Angle::deg(-180)) change += Angle::deg(360);
while (change > Angle::deg(180)) change -= Angle::deg(360);
components[1]=old_angle + change;
n_components=2;
}
else
if (type == type_color)
{
components[0]=value.get(Color()).get_y();
components[1]=value.get(Color()).get_s();
components[2]=value.get(Color()).get_hue();
components[3]=value.get(Color()).get_a();
n_components=4;
}
else
throw Error(_("Bad type for radial composite (%s)"), type.description.local_name.c_str());
for(int i=0;i<n_components;i++)
{
ValueDesc component_value_desc(ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()),i);
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",components[i]);
action->set_param("value_desc",component_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
return;
}
// Perform reverse manipulations
// If we are a scale value node, then edit the link
// such that it will scale to our target value
if (ValueNode_Scale::Handle scale_value_node = ValueNode_Scale::Handle::cast_dynamic(value_desc.get_value_node()))
{
if(! scale_value_node->is_invertible(time))
{
synfig::warning(_("Attempt to edit scale ValueNode with a scale factor of zero."));
return;
}
ValueBase new_value;
if (value.get_type() == type_angle)
new_value = scale_value_node->get_inverse(time, value.get(Angle()));
else if(value.get_type() == type_vector)
new_value = scale_value_node->get_inverse(time, value.get(Vector()));
else if(value.get_type() == type_real)
new_value = scale_value_node->get_inverse(time, value.get(Real()));
else
throw Error(_("Inverse manipulation of %s scale values not implemented in core."), value.type_name().c_str());
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_value);
action->set_param("value_desc",ValueDesc(scale_value_node, scale_value_node->get_link_index_from_name("link")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// Range: disallow values outside the range
if (ValueNode_Range::Handle range_value_node = ValueNode_Range::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase new_value;
if (value.get_type() == type_angle)
new_value = range_value_node->get_inverse(time, value.get(Angle()));
else
throw Error(_("Inverse manipulation of %s range values not implemented in core."), value.type_name().c_str());
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_value);
action->set_param("value_desc",ValueDesc(range_value_node,range_value_node->get_link_index_from_name("link")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// Integer: integer values only
if (ValueNode_Integer::Handle integer_value_node = ValueNode_Integer::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase new_value;
if (value.get_type() == type_angle)
new_value = integer_value_node->get_inverse(time, value.get(Angle()));
else if(value.get_type() == type_real)
new_value = integer_value_node->get_inverse(time, value.get(Real()));
else
throw Error(_("Inverse manipulation of %s scale values not implemented in core."), value.type_name().c_str());
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_value);
action->set_param("value_desc",ValueDesc(integer_value_node,integer_value_node->get_link_index_from_name("link")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// Real: Reverse manipulations for Real->Angle convert
if (ValueNode_Real::Handle real_value_node = ValueNode_Real::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase new_value;
if (value.get_type() == type_angle)
new_value = real_value_node->get_inverse(time, value.get(Angle()));
else
throw Error(_("Inverse manipulation of %s scale values not implemented in core."), value.type_name().c_str());
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_value);
action->set_param("value_desc",ValueDesc(real_value_node,real_value_node->get_link_index_from_name("link")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// BlineCalcWidth: modify the scale value node
// so that the target width is achieved
if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(value_desc.get_value_node()))
{
Real old_width((*bline_width)(time).get(Real()));
Real scale((*(bline_width->get_link("scale")))(time).get(Real()));
ValueBase new_width(value.get(Real()) * scale / old_width);
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_width);
action->set_param("value_desc",ValueDesc(bline_width, bline_width->get_link_index_from_name("scale")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// BLineCalcVertex: snap the point to the nearest
// allowed position.
if (ValueNode_BLineCalcVertex::Handle bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueNode_BLine::Handle bline = ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link("bline"));
Real radius = 0.0;
Real new_amount;
if (((*(bline_vertex->get_link("loop")))(time).get(bool())))
{
// The bline is looped. Animation may require an amount parameter
// outside the range of 0-1, so make sure that the amount does
// not change drastically.
Real amount_old((*(bline_vertex->get_link("amount")))(time).get(Real()));
Real amount_new = synfig::find_closest_point((*bline)(time), value.get(Vector()), radius, bline->get_loop());
Real difference = fmod( fmod(amount_new - amount_old, 1.0) + 1.0 , 1.0);
//fmod is called twice to avoid negative values
if (difference > 0.5)
difference=difference-1.0;
new_amount = amount_old+difference;
}
else
new_amount = synfig::find_closest_point((*bline)(time), value.get(Vector()), radius, bline->get_loop());
bool homogeneous((*(bline_vertex->get_link("homogeneous")))(time).get(bool()));
if(homogeneous)
new_amount=std_to_hom((*bline)(time), new_amount, (*(bline_vertex->get_link("loop")))(time).get(bool()), bline->get_loop() );
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_amount);
action->set_param("value_desc",ValueDesc(bline_vertex, bline_vertex->get_link_index_from_name("amount")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
// BLineCalcTangent: adjust scale and offset
// to achieve the desired tangent
if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase new_scale;
ValueDesc scale_value_desc(bline_tangent,bline_tangent->get_link_index_from_name("scale"));
ValueDesc offset_value_desc(bline_tangent,bline_tangent->get_link_index_from_name("offset"));
Type &type(value_desc.get_value_type());
if (type == type_real)
{
Real old_length = (*bline_tangent)(time).get(Real());
Real new_length = value.get(Vector()).mag();
Real scale((*(bline_tangent->get_link("scale")))(time).get(Real()));
bool fixed_length((*(bline_tangent->get_link("fixed_length")))(time).get(bool()));
if (fixed_length)
{
new_scale = new_length;
}
else
{
if (old_length == 0) return;
new_scale = new_length * scale / old_length;
}
}
else
if (type == type_vector)
{
Vector old_tangent = (*bline_tangent)(time).get(Vector());
Angle old_angle = old_tangent.angle();
Real old_length = old_tangent.mag();
Angle new_angle = value.get(Vector()).angle();
Real new_length = value.get(Vector()).mag();
Angle old_offset((*(bline_tangent->get_link("offset")))(time).get(Angle()));
Real scale((*(bline_tangent->get_link("scale")))(time).get(Real()));
bool fixed_length((*(bline_tangent->get_link("fixed_length")))(time).get(bool()));
if (fixed_length)
{
new_scale = new_length;
}
else
if (old_length != 0)
{
new_scale = new_length * scale / old_length;
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value", ValueBase(old_offset + new_angle - old_angle));
action->set_param("value_desc",offset_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
}
else
if (type == type_angle)
{
Angle old_angle = (*bline_tangent)(time).get(Angle());
Angle new_angle = value.get(Angle());
Angle old_offset((*(bline_tangent->get_link("offset")))(time).get(Angle()));
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value", ValueBase(old_offset + new_angle - old_angle));
action->set_param("value_desc",offset_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
if (new_scale.get(bool()))
{
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_scale);
action->set_param("value_desc",scale_value_desc);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
return;
}
// end reverse manipulations
// WidthPoint Composite: adjust the width point position
// to achieve the desired point on bline
// (Code copied from BLineCalcVertex above)
if (value_desc.parent_is_linkable_value_node() && value_desc.get_parent_value_node()->get_type() == type_list)
{
if(ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node())->get_contained_type() == type_width_point)
{
ValueNode_WPList::Handle wplist=ValueNode_WPList::Handle::cast_dynamic(value_desc.get_parent_value_node());
if(wplist)
{
bool wplistloop(wplist->get_loop());
ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(wplist->get_bline()));
ValueNode_Composite::Handle wpoint_composite(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()));
if(bline && wpoint_composite)
{
bool blineloop(bline->get_loop());
// Retrieve the homogeneous layer parameter
bool homogeneous=false;
Layer::Handle layer_parent;
std::set<Node*>::iterator iter;
for(iter=wplist->parent_set.begin();iter!=wplist->parent_set.end();++iter)
{
Layer::Handle layer;
layer=Layer::Handle::cast_dynamic(*iter);
if(layer && layer->get_name() == "advanced_outline")
{
homogeneous=layer->get_param("homogeneous").get(bool());
break;
}
}
Real radius = 0.0;
Real new_amount;
WidthPoint wp((*wpoint_composite)(time).get(WidthPoint()));
if (wplistloop)
{
// The wplist is looped. Animation may require a position parameter
// outside the range of 0-1, so make sure that the position doesn't
// change drastically.
Real amount_old(wp.get_norm_position(wplistloop));
Real amount_old_b(wp.get_bound_position(wplistloop));
// If it is homogeneous then convert it to standard
amount_old=homogeneous?hom_to_std((*bline)(time), amount_old, wplistloop, blineloop):amount_old;
// grab a new position given by duck's position on the bline
Real amount_new = synfig::find_closest_point((*bline)(time), value.get(Vector()), radius, blineloop);
// calculate the difference between old and new amounts
Real difference = fmod( fmod(amount_new - amount_old, 1.0) + 1.0 , 1.0);
//fmod is called twice to avoid negative values
if (difference > 0.5)
difference=difference-1.0;
// calculate a new value for the position
new_amount=amount_old+difference;
// restore the homogeneous value if needed
new_amount = homogeneous ? std_to_hom((*bline)(time), new_amount, wplistloop, blineloop) : new_amount;
// this is the difference between the new amount and the old amount inside the boundaries
Real bound_diff((wp.get_lower_bound() + new_amount*(wp.get_upper_bound()-wp.get_lower_bound()))-amount_old_b);
// add the new diff to the current amount
new_amount = wp.get_position() + bound_diff;
}
else
{
// grab a new amount given by duck's position on the bline
new_amount = synfig::find_closest_point((*bline)(time), value.get(Vector()), radius, blineloop);
// if it is homogeneous then convert to it
new_amount = homogeneous ? std_to_hom((*bline)(time), new_amount, wplistloop, blineloop) : new_amount;
// convert the value inside the boundaries
new_amount = wp.get_lower_bound()+new_amount*(wp.get_upper_bound()-wp.get_lower_bound());
}
Action::Handle action(Action::create("ValueDescSet"));
if(!action)
throw Error(_("Unable to find action ValueDescSet (bug)"));
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("time",time);
action->set_param("new_value",new_amount);
action->set_param("value_desc",ValueDesc(wpoint_composite, wpoint_composite->get_link_index_from_name("position")));
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
}
}
}
// end reverse manipulations
// if value desc has parent value node and parent is composite widthpoint type and index is 4 or 5
// then we are changing the value of a widthpoint boundary.
// It is needed to check that we aren't doing the boundary range zero
if(value_desc.parent_is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_parent_value_node()))
{
ValueNode_Composite::Handle parent_value_node;
parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
assert(parent_value_node);
int i=value_desc.get_index();
if(parent_value_node->get_type() == type_width_point && (i==4 || i==5))
{
ValueNode::Handle low(parent_value_node->get_link("lower_bound"));
ValueNode::Handle upp(parent_value_node->get_link("upper_bound"));
Real new_value(value.get(Real()));
Real lower = (*low)(Time(0.0)).get(Real());
Real upper = (*upp)(Time(0.0)).get(Real());
if( (i==4 && new_value > (upper- 0.00000001))
|| (i==5 && new_value < (lower+ 0.00000001)) )
{
throw Error(_("It is forbidden to set lower boundary equal or bigger than upper boundary"));
return;
}
}
}
// If we are changing the z_depth range parameters
// send a signal to the canvas interface to say that the layer has changed
if(value_desc.parent_is_layer_param()
&&
(value_desc.get_param_name() =="z_range"
||
value_desc.get_param_name() =="z_range_position"
||
value_desc.get_param_name() =="z_range_depth")
)
{
if (get_canvas_interface() && recursive)
{
get_canvas_interface()->signal_layer_z_range_changed()(value_desc.get_layer(),true);
}
}
// If we are in animate editing mode
// TODO: Can we replace local_value to value after all parameters will be converted into ValueBase type?
if((animate || get_edit_mode()&MODE_ANIMATE) && !value_desc.get_static())
{
ValueNode_Animated::Handle& value_node(value_node_animated);
// If this value isn't a ValueNode_Animated, but
// it is somewhat constant, then go ahead and convert
// it to a ValueNode_Animated.
if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
{
ValueBase value;
if(value_desc.is_value_node())
value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
else
value=value_desc.get_value();
Interpolation interp=value.get_interpolation();
if(!value_node)value_node=ValueNode_Animated::create(value,time);
// Be sure that the newly created waypoint is set with the default
// interpolations.
synfig::ValueNode_Animated::WaypointList::iterator iter(value_node->find(time));
iter->set_before(interp==INTERPOLATION_UNDEFINED?synfigapp::Main::get_interpolation():interp);
iter->set_after(interp==INTERPOLATION_UNDEFINED?synfigapp::Main::get_interpolation():interp);
value_node->set_interpolation(interp);
Action::Handle action;
if(!value_desc.is_value_node())
{
action=(ValueDescConnect::create());
action->set_param("dest",value_desc);
action->set_param("src",ValueNode::Handle(value_node));
}
else
{
action=Action::create("ValueNodeReplace");
action->set_param("dest",value_desc.get_value_node());
action->set_param("src",ValueNode::Handle(value_node));
}
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action_front(action);
}
else
{
value_node=value_node.cast_dynamic(value_desc.get_value_node());
}
if(!value_node)
throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
synfig::ValueNode_Animated::WaypointList::iterator iter;
Waypoint waypoint;
Action::Handle action(WaypointSetSmart::create());
try
{
iter=value_node->find(time);
// value_node->find throws an exception
// when no waypoint is found at given time
waypoint=*iter;
}catch(Exception::NotFound)
{
waypoint=value_node->new_waypoint_at_time(time);
Interpolation inter=value_node->get_interpolation();
waypoint.set_before(inter==INTERPOLATION_UNDEFINED?synfigapp::Main::get_interpolation():inter);
waypoint.set_after(inter==INTERPOLATION_UNDEFINED?synfigapp::Main::get_interpolation():inter);
}
waypoint.set_value(value);
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("value_node",ValueNode::Handle(value_node));
action->set_param("waypoint",waypoint);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
return;
}
else // We are not in animate editing mode
{
if(value_desc.is_value_node())
{
if(ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
{
Action::Handle action(ValueNodeConstSet::create());
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("value_node",value_desc.get_value_node());
action->set_param("new_value",value);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action_front(action);
return;
}
else
if(ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node()))
{
// If we are in not animate mode let's assume that the user wants to offset the
// animated value node by the difference.
// this is valid only for value types that allows it.
ValueNode_Animated::Handle animated=ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node());
Waypoint waypoint;
Type &type=animated->get_type();
Type &value_type=value.get_type();
if(value_type==type &&
( type == type_integer
|| type == type_angle
|| type == type_time
|| type == type_real
|| type == type_vector)
)
{
synfig::ValueNode_Animated::WaypointList::const_iterator iter;
for(iter=animated->waypoint_list().begin(); iter<animated->waypoint_list().end(); iter++)
{
waypoint=*iter;
ValueBase waypoint_value(waypoint.get_value());
if (type == type_integer)
waypoint_value=ValueBase(waypoint_value.get(int())+value.get(int())-(*animated)(time).get(int()));
else
if (type == type_angle)
waypoint_value=ValueBase(waypoint_value.get(Angle())+value.get(Angle())-(*animated)(time).get(Angle()));
else
if (type == type_time)
waypoint_value=ValueBase(waypoint_value.get(Time())+value.get(Time())-(*animated)(time).get(Time()));
else
if (type == type_real)
waypoint_value=ValueBase(waypoint_value.get(Real())+value.get(Real())-(*animated)(time).get(Real()));
else
if (type == type_vector)
waypoint_value=ValueBase(waypoint_value.get(Vector())+value.get(Vector())-(*animated)(time).get(Vector()));
waypoint.set_value(waypoint_value);
Action::Handle action(WaypointSet::create());
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("value_node",ValueNode::Handle(animated));
action->set_param("waypoint",waypoint);
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action(action);
}
return;
}
else
throw Error(_("You must be in Animate-Editing-Mode to directly manipulate this value"));
}
else
throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
}
else
if(value_desc.parent_is_layer_param() && !value_desc.is_value_node())
{
Action::Handle layer_param_set(LayerParamSet::create());
layer_param_set->set_param("canvas",get_canvas());
layer_param_set->set_param("canvas_interface",get_canvas_interface());
layer_param_set->set_param("layer",value_desc.get_layer());
layer_param_set->set_param("param",value_desc.get_param_name());
layer_param_set->set_param("new_value",value);
if(!layer_param_set->is_ready())
throw Error(Error::TYPE_NOTREADY);
add_action_front(layer_param_set);
return;
}
throw Error(_("Unsupported ValueDesc type"));
}
}
void
Duck::set_sub_trans_point(const synfig::Point &x, const synfig::Time &time)
{
if (get_type() == Duck::TYPE_TANGENT ||
get_type() == Duck::TYPE_ANGLE)
{
Angle old_angle = get_point().angle();
set_point((x-get_sub_trans_origin())/get_scalar());
Angle change = get_point().angle() - old_angle;
while (change < Angle::deg(-180)) change += Angle::deg(360);
while (change > Angle::deg(180)) change -= Angle::deg(360);
//int old_halves = round_to_int(Angle::deg(rotations).get()/180);
rotations += change;
//int new_halves = round_to_int(Angle::deg(rotations).get()/180);
/*if (old_halves != new_halves &&
(new_halves > 1 || new_halves < -1 ||
old_halves > 1 || old_halves < -1))
synfig::info("rotation: %.2f turns", new_halves/2.0)*/;
} else if(get_type() == Duck::TYPE_VERTEX || get_type() == Duck::TYPE_POSITION || get_type() == Duck::TYPE_WIDTHPOINT_POSITION)
{
set_point((x-get_sub_trans_origin())/get_scalar());
ValueNode_BLineCalcVertex::Handle bline_vertex;
ValueNode_Composite::Handle composite;
if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(get_value_desc().get_value_node())) ||
((composite = ValueNode_Composite::Handle::cast_dynamic(get_value_desc().get_value_node())) &&
composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
(bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
{
synfig::Point closest_point = get_point();
synfig::Real radius = 0.0;
ValueNode_BLine::Handle bline = ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link("bline"));
synfig::find_closest_point(
(*bline)(time),
get_point(),
radius,
bline->get_loop(),
&closest_point);
set_point(closest_point);
}
ValueNode_Composite::Handle wpoint_composite;
ValueNode_WPList::Handle wplist;
wpoint_composite=ValueNode_Composite::Handle::cast_dynamic(get_value_desc().get_value_node());
if(wpoint_composite && wpoint_composite->get_type() == ValueBase::TYPE_WIDTHPOINT)
if(get_value_desc().parent_is_value_node())
{
wplist=ValueNode_WPList::Handle::cast_dynamic(get_value_desc().get_parent_value_node());
if(wplist)
{
ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(wplist->get_bline()));
synfig::Point closest_point = get_point();
synfig::Real radius = 0.0;
synfig::find_closest_point(
(*bline)(time),
get_point(),
radius,
bline->get_loop(),
&closest_point);
set_point(closest_point);
}
}
}
else set_point((x-get_sub_trans_origin())/get_scalar());
}