X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fstable%2Fsrc%2Fsynfig%2Fvaluenode_subtract.cpp;fp=synfig-core%2Ftags%2Fstable%2Fsrc%2Fsynfig%2Fvaluenode_subtract.cpp;h=ea97493a4264844d2ed522b11e5a67a2e25485ab;hb=40dd10f62f1b0983b20cf99dd4780ea73236eb0c;hp=0000000000000000000000000000000000000000;hpb=bed0eacb9fa07f038f4c4ad4a5334c81d662bead;p=synfig.git

diff --git a/synfig-core/tags/stable/src/synfig/valuenode_subtract.cpp b/synfig-core/tags/stable/src/synfig/valuenode_subtract.cpp
new file mode 100644
index 0000000..ea97493
--- /dev/null
+++ b/synfig-core/tags/stable/src/synfig/valuenode_subtract.cpp
@@ -0,0 +1,316 @@
+/* === S Y N F I G ========================================================= */
+/*!	\file valuenode_subtract.cpp
+**	\brief Template File
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**	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_subtract.h"
+#include "valuenode_const.h"
+#include <stdexcept>
+#include "color.h"
+#include "vector.h"
+#include "angle.h"
+#include "real.h"
+
+#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 ======================================================= */
+
+synfig::ValueNode_Subtract::ValueNode_Subtract():LinkableValueNode(synfig::ValueBase::TYPE_NIL)
+{
+	set_scalar(1.0);
+}
+
+LinkableValueNode*
+ValueNode_Subtract::create_new()const
+{
+	return new ValueNode_Subtract();
+}
+
+ValueNode_Subtract*
+ValueNode_Subtract::create(const ValueBase& x)
+{
+	ValueBase::Type id(x.get_type());
+
+	ValueNode_Subtract* value_node=new ValueNode_Subtract();
+	switch(id)
+	{
+	case ValueBase::TYPE_NIL:
+		return value_node;
+	case ValueBase::TYPE_VECTOR:
+	case ValueBase::TYPE_REAL:
+	case ValueBase::TYPE_INTEGER:
+	case ValueBase::TYPE_ANGLE:
+		value_node->set_link("rhs",ValueNode_Const::create(ValueBase(id)));
+		value_node->set_link("lhs",ValueNode_Const::create(ValueBase(id)));
+		assert(value_node->get_rhs()->get_type()==id);
+		assert(value_node->get_lhs()->get_type()==id);
+		break;
+	default:
+		assert(0);
+		throw runtime_error("synfig::ValueNode_Subtract:Bad type "+ValueBase::type_name(id));
+	}
+	assert(value_node->get_type()==id);
+
+	return value_node;
+}
+
+synfig::ValueNode_Subtract::~ValueNode_Subtract()
+{
+	unlink_all();
+}
+
+void
+ValueNode_Subtract::set_scalar(Real x)
+{
+	set_link("scalar",ValueNode_Const::create(x));
+}
+
+bool
+synfig::ValueNode_Subtract::set_scalar(ValueNode::Handle x)
+{
+	if(x->get_type()!=ValueBase::TYPE_REAL&& !PlaceholderValueNode::Handle::cast_dynamic(x))
+		return false;
+	scalar=x;
+	return true;
+}
+
+bool
+synfig::ValueNode_Subtract::set_lhs(ValueNode::Handle a)
+{
+	ref_a=a;
+
+	if(PlaceholderValueNode::Handle::cast_dynamic(a))
+		return true;
+
+	if(!ref_a || !ref_b)
+		set_type(ValueBase::TYPE_NIL);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_VECTOR && ref_a->get_type()==ValueBase::TYPE_VECTOR)
+		set_type(ValueBase::TYPE_VECTOR);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_REAL && ref_a->get_type()==ValueBase::TYPE_REAL)
+		set_type(ValueBase::TYPE_REAL);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_INTEGER && ref_a->get_type()==ValueBase::TYPE_INTEGER)
+		set_type(ValueBase::TYPE_INTEGER);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_ANGLE && ref_a->get_type()==ValueBase::TYPE_ANGLE)
+		set_type(ValueBase::TYPE_ANGLE);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_COLOR && ref_a->get_type()==ValueBase::TYPE_COLOR)
+		set_type(ValueBase::TYPE_COLOR);
+	else
+	{
+		synfig::warning(get_id()+":(set_a):"+strprintf(_("Types seem to be off for ValueNodes %s and %s"),ref_a->get_id().c_str(),ref_b->get_id().c_str()));
+		set_type(ValueBase::TYPE_NIL);
+	}
+
+	return true;
+}
+
+bool
+synfig::ValueNode_Subtract::set_rhs(ValueNode::Handle b)
+{
+	ref_b=b;
+
+	if(PlaceholderValueNode::Handle::cast_dynamic(b))
+		return true;
+
+	if(!ref_a || !ref_b)
+		set_type(ValueBase::TYPE_NIL);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_VECTOR && ref_a->get_type()==ValueBase::TYPE_VECTOR)
+		set_type(ValueBase::TYPE_VECTOR);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_REAL && ref_a->get_type()==ValueBase::TYPE_REAL)
+		set_type(ValueBase::TYPE_REAL);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_INTEGER && ref_a->get_type()==ValueBase::TYPE_INTEGER)
+		set_type(ValueBase::TYPE_INTEGER);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_ANGLE && ref_a->get_type()==ValueBase::TYPE_ANGLE)
+		set_type(ValueBase::TYPE_ANGLE);
+	else
+	if(ref_a->get_type()==ValueBase::TYPE_COLOR && ref_a->get_type()==ValueBase::TYPE_COLOR)
+		set_type(ValueBase::TYPE_COLOR);
+	else
+	{
+		synfig::warning(get_id()+":(set_b):"+strprintf(_("Types seem to be off for ValueNodes %s and %s"),ref_a->get_id().c_str(),ref_b->get_id().c_str()));
+		set_type(ValueBase::TYPE_NIL);
+	}
+
+	return true;
+}
+
+synfig::ValueBase
+synfig::ValueNode_Subtract::operator()(Time t)const
+{
+	if(!ref_a || !ref_b)
+		throw runtime_error(strprintf("ValueNode_Subtract: %s",_("One or both of my parameters aren't set!")));
+	else
+	if(get_type()==ValueBase::TYPE_VECTOR)
+		return ((*ref_a)(t).get(Vector())-(*ref_b)(t).get(Vector()))*(*scalar)(t).get(Real());
+	else
+	if(get_type()==ValueBase::TYPE_REAL)
+		return ((*ref_a)(t).get(Vector::value_type())-(*ref_b)(t).get(Vector::value_type()))*(*scalar)(t).get(Real());
+	else
+	if(get_type()==ValueBase::TYPE_INTEGER)
+		return ((*ref_a)(t).get(int())-(*ref_b)(t).get(int()))*(*scalar)(t).get(Real());
+	else
+	if(get_type()==ValueBase::TYPE_ANGLE)
+		return ((*ref_a)(t).get(Angle())-(*ref_b)(t).get(Angle()))*(*scalar)(t).get(Real());
+	else
+	if(get_type()==ValueBase::TYPE_COLOR)
+		return ((*ref_a)(t).get(Color())-(*ref_b)(t).get(Color()))*(*scalar)(t).get(Real());
+
+	synfig::error(get_id()+':'+strprintf(_("Cannot subtract types of %s and %s"),ValueBase::type_name(ref_a->get_type()).c_str(),ValueBase::type_name(ref_b->get_type()).c_str()));
+	return ValueBase();
+}
+
+bool
+ValueNode_Subtract::set_link_vfunc(int i,ValueNode::Handle x)
+{
+	assert(i>=0 && i<3);
+	switch(i)
+	{
+		case 0:
+			if(set_lhs(x)) { signal_child_changed()(i);signal_value_changed()(); return true; }
+			else { return false; }
+		case 1:
+			if(set_rhs(x)) { signal_child_changed()(i);signal_value_changed()(); return true; }
+			else { return false; }
+		case 2:
+			scalar=x;
+			signal_child_changed()(i);signal_value_changed()();
+			return true;
+	}
+
+	return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_Subtract::get_link_vfunc(int i)const
+{
+	assert(i>=0 && i<3);
+	switch(i)
+	{
+		case 0:
+			return ref_a;
+		case 1:
+			return ref_b;
+		case 2:
+			return scalar;
+	}
+	return 0;
+}
+
+int
+ValueNode_Subtract::link_count()const
+{
+	return 3;
+}
+
+String
+ValueNode_Subtract::link_local_name(int i)const
+{
+	assert(i>=0 && i<3);
+	switch(i)
+	{
+		case 0:
+			return _("LHS");
+		case 1:
+			return _("RHS");
+		case 2:
+			return _("Scalar");
+	}
+	return String();
+}
+
+String
+ValueNode_Subtract::link_name(int i)const
+{
+	assert(i>=0 && i<3);
+	switch(i)
+	{
+		case 0:
+			return "lhs";
+		case 1:
+			return "rhs";
+		case 2:
+			return "scalar";
+	}
+	return String();
+}
+
+int
+ValueNode_Subtract::get_link_index_from_name(const String &name)const
+{
+	if(name=="lhs")
+		return 0;
+	if(name=="rhs")
+		return 1;
+	if(name=="scalar")
+		return 2;
+	throw Exception::BadLinkName(name);
+}
+
+String
+ValueNode_Subtract::get_name()const
+{
+	return "subtract";
+}
+
+String
+ValueNode_Subtract::get_local_name()const
+{
+	return _("Subtract");
+}
+
+bool
+ValueNode_Subtract::check_type(ValueBase::Type type)
+{
+	return type==ValueBase::TYPE_VECTOR
+		|| type==ValueBase::TYPE_REAL
+		|| type==ValueBase::TYPE_INTEGER
+		|| type==ValueBase::TYPE_COLOR
+		|| type==ValueBase::TYPE_ANGLE;
+}