bool
Duckmatic::on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc)
{
- if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- Real old_width((*bline_width)(get_time()).get(Real()));
- Real new_width(value.mag());
- int scale_index(bline_width->get_link_index_from_name("scale"));
- Real scale((*(bline_width->get_link(scale_index)))(get_time()).get(Real()));
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_width,scale_index), new_width * scale / old_width);
- }
-
- 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;
- if (((*(bline_vertex->get_link("loop")))(get_time()).get(bool()))){
- Real amount_old((*(bline_vertex->get_link("amount")))(get_time()).get(Real()));
- Real amount_new = synfig::find_closest_point((*bline)(get_time()), value, 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;
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_vertex,bline_vertex->get_link_index_from_name("amount")), amount_old+difference);
-
- } else {
- Real amount = synfig::find_closest_point((*bline)(get_time()), value, radius, bline->get_loop());
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_vertex,bline_vertex->get_link_index_from_name("amount")), amount);
- }
- }
-
- if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- switch(value_desc.get_value_type())
- {
- case ValueBase::TYPE_REAL:
- {
- Real old_length = (*bline_tangent)(get_time()).get(Real());
- Real new_length = value.mag();
- int scale_index(bline_tangent->get_link_index_from_name("scale"));
- int fixed_length_index(bline_tangent->get_link_index_from_name("fixed_length"));
- Real scale((*(bline_tangent->get_link(scale_index)))(get_time()).get(Real()));
- bool fixed_length((*(bline_tangent->get_link(fixed_length_index)))(get_time()).get(bool()));
- if (fixed_length)
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length);
- if (old_length == 0)
- return true;
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length * scale / old_length);
- }
-
- case ValueBase::TYPE_ANGLE:
- assert(0); // doesn't happen?
- break;
-
- case ValueBase::TYPE_VECTOR:
- {
- Vector old_tangent = (*bline_tangent)(get_time()).get(Vector());
- Angle old_angle = old_tangent.angle();
- Real old_length = old_tangent.mag();
- Angle new_angle = value.angle();
- Real new_length = value.mag();
- int offset_index(bline_tangent->get_link_index_from_name("offset"));
- int scale_index(bline_tangent->get_link_index_from_name("scale"));
- int fixed_length_index(bline_tangent->get_link_index_from_name("fixed_length"));
- Angle old_offset((*(bline_tangent->get_link(offset_index)))(get_time()).get(Angle()));
- Real scale((*(bline_tangent->get_link(scale_index)))(get_time()).get(Real()));
- bool fixed_length((*(bline_tangent->get_link(fixed_length_index)))(get_time()).get(bool()));
- if (fixed_length)
- {
- if (!(canvas_interface->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length)))
- return false;
- }
- else if (old_length != 0 && !(canvas_interface->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length * scale / old_length)))
- return false;
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_tangent,offset_index), old_offset + new_angle - old_angle);
- }
- default:
- break;
- }
- }
-
- if (ValueNode_Scale::Handle scale_value_node = ValueNode_Scale::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- int link_index(scale_value_node->get_link_index_from_name("link"));
- if(scale_value_node->is_invertible(get_time()))
- return canvas_interface->change_value(
- synfigapp::ValueDesc(scale_value_node,link_index),
- scale_value_node->get_inverse(get_time(), value)
- );
- else
- return false;
- }
-
- if (ValueNode_Range::Handle range_value_node = ValueNode_Range::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- int link_index(range_value_node->get_link_index_from_name("link"));
- return canvas_interface->change_value(
- synfigapp::ValueDesc(range_value_node,link_index),
- range_value_node->get_inverse(get_time(), value)
- );
- }
-
switch(value_desc.get_value_type())
{
case ValueBase::TYPE_REAL:
bool
Duckmatic::on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc)
{
- if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- int offset_index(bline_tangent->get_link_index_from_name("offset"));
- Angle old_offset((*(bline_tangent->get_link(offset_index)))(get_time()).get(Angle()));
- return canvas_interface->change_value(synfigapp::ValueDesc(bline_tangent,offset_index), old_offset + rotation);
- }
-
- if (ValueNode_Scale::Handle scale_value_node = ValueNode_Scale::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- int link_index(scale_value_node->get_link_index_from_name("link"));
- if(scale_value_node->is_invertible(get_time()))
- return canvas_interface->change_value(
- synfigapp::ValueDesc(scale_value_node,link_index),
- scale_value_node->get_inverse(get_time(), rotation)
- );
- else
- return false;
-
- }
- if (ValueNode_Range::Handle range_value_node = ValueNode_Range::Handle::cast_dynamic(value_desc.get_value_node()))
- {
- int link_index(range_value_node->get_link_index_from_name("link"));
- return canvas_interface->change_value(
- synfigapp::ValueDesc(range_value_node,link_index),
- range_value_node->get_inverse(get_time(), rotation)
- );
- }
// \todo will this really always be the case?
assert(value_desc.get_value_type() == ValueBase::TYPE_ANGLE);
return canvas_interface->change_value(value_desc, value_desc.get_value(get_time()).get(Angle()) + rotation);
#include "valuedescset.h"
#include <synfigapp/canvasinterface.h>
+#include <synfig/valuenode_bline.h>
+#include <synfig/valuenode_blinecalctangent.h>
+#include <synfig/valuenode_blinecalcvertex.h>
+#include <synfig/valuenode_blinecalcwidth.h>
#include <synfig/valuenode_composite.h>
#include <synfig/valuenode_radialcomposite.h>
+#include <synfig/valuenode_range.h>
#include <synfig/valuenode_reference.h>
+#include <synfig/valuenode_scale.h>
#include <synfigapp/main.h>
#include <synfigapp/general.h>
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() == ValueBase::TYPE_ANGLE)
+ new_value = scale_value_node->get_inverse(time, value.get(Angle()));
+ else if (value.get_type() == ValueBase::TYPE_REAL)
+ throw Error(_("Inverse manipulation of real scale values not implemented in core."));
+ else
+ new_value = scale_value_node->get_inverse(time, value.get(Vector()));
+
+ 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() == ValueBase::TYPE_ANGLE)
+ new_value = range_value_node->get_inverse(time, value.get(Angle()));
+ else if (value.get_type() == ValueBase::TYPE_REAL)
+ throw Error(_("Inverse manipulation of real range values not implemented in core."));
+ else
+ new_value = range_value_node->get_inverse(time, value.get(Vector()));
+
+ 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;
+ }
+
+ // 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;
+ ValueBase 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, 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, radius, 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"));
+
+ switch(value_desc.get_value_type())
+ {
+ case ValueBase::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;
+ break;
+ }
+ if (old_length == 0)
+ return;
+ new_scale = new_length * scale / old_length;
+ }
+
+ case ValueBase::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;
+ break;
+ }
+ 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);
+ }
+ }
+ break;
+
+ case ValueBase::TYPE_ANGLE:
+ {
+ Angle old_angle = (*bline_tangent)(time).get(Angle());
+ Angle new_angle = value.get(Vector()).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;
+ }
+
+ default:
+ break;
+ }
+
+ if (new_scale)
+ {
+ 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
+
+
+
// If we are merging the tangents of a BLinePoint,
// we must also set the second tangent for things
// to interpolate properly
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