X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Fvaluenode_scale.cpp;fp=synfig-core%2Fsrc%2Fsynfig%2Fvaluenode_scale.cpp;h=b272d7d6b994418dc91c6a8746830e1a7b30b3c6;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/synfig/valuenode_scale.cpp b/synfig-core/src/synfig/valuenode_scale.cpp
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+++ b/synfig-core/src/synfig/valuenode_scale.cpp
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+/* === S Y N F I G ========================================================= */
+/*!	\file valuenode_scale.cpp
+**	\brief Implementation of the "Scale" valuenode conversion.
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 2007, 2008 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
+**	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_scale.h"
+#include "valuenode_const.h"
+#include <stdexcept>
+#include "color.h"
+#include "vector.h"
+#include "time.h"
+#include "angle.h"
+#include <ETL/misc>
+
+#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 ======================================================= */
+
+ValueNode_Scale::ValueNode_Scale(const ValueBase &value):
+	LinkableValueNode(value.get_type())
+{
+	set_link("scalar",ValueNode::Handle(ValueNode_Const::create(Real(1.0))));
+	ValueBase::Type id(value.get_type());
+
+	switch(id)
+	{
+	case ValueBase::TYPE_ANGLE:
+		set_link("link",ValueNode_Const::create(value.get(Angle())));
+		break;
+	case ValueBase::TYPE_COLOR:
+		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(get_local_name()+_(":Bad type ")+ValueBase::type_local_name(id));
+	}
+
+	assert(value_node);
+	assert(value_node->get_type()==id);
+	assert(get_type()==id);
+}
+
+LinkableValueNode*
+ValueNode_Scale::create_new()const
+{
+	return new ValueNode_Scale(get_type());
+}
+
+ValueNode_Scale*
+ValueNode_Scale::create(const ValueBase& value)
+{
+	return new ValueNode_Scale(value);
+}
+
+synfig::ValueNode_Scale::~ValueNode_Scale()
+{
+	unlink_all();
+}
+
+synfig::ValueBase
+synfig::ValueNode_Scale::operator()(Time t)const
+{
+	if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+		printf("%s:%d operator()\n", __FILE__, __LINE__);
+
+	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_ANGLE)
+		return (*value_node)(t).get(Angle())*(*scalar)(t).get(Real());
+	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_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();
+}
+
+synfig::ValueBase
+synfig::ValueNode_Scale::get_inverse(Time t, const synfig::Vector &target_value) const
+{
+	Real scalar_value((*scalar)(t).get(Real()));
+	if(scalar_value==0)
+			throw runtime_error(strprintf("ValueNode_Scale: %s",_("Attempting to get the inverse of a non invertible Valuenode")));
+	else
+		{
+			switch (get_type())
+			{
+				case ValueBase::TYPE_REAL:
+					return target_value.mag() / scalar_value;
+				case ValueBase::TYPE_ANGLE:
+					return Angle::tan(target_value[1] / scalar_value ,target_value[0] / scalar_value);
+				default:
+					return target_value / scalar_value;
+			}
+		}
+	return ValueBase();
+}
+
+synfig::ValueBase
+synfig::ValueNode_Scale::get_inverse(Time t, const synfig::Angle &target_value) const
+{
+	Real scalar_value((*scalar)(t).get(Real()));
+	if(scalar_value==0)
+			throw runtime_error(strprintf("ValueNode_Scale: %s",_("Attempting to get the inverse of a non invertible Valuenode")));
+	else
+		{
+			switch (get_type())
+			{
+					default:
+					return (*value_node)(t).get(Angle()) + target_value / scalar_value;
+			}
+		}
+	return ValueBase();
+}
+
+bool
+synfig::ValueNode_Scale::is_invertible(Time t) const
+{
+	Real scalar_value((*scalar)(t).get(Real()));
+	return (!scalar_value==0);
+}
+
+bool
+ValueNode_Scale::set_link_vfunc(int i,ValueNode::Handle value)
+{
+	assert(i>=0 && i<link_count());
+
+	switch(i)
+	{
+	case 0: CHECK_TYPE_AND_SET_VALUE(value_node, get_type());
+	case 1: CHECK_TYPE_AND_SET_VALUE(scalar,     ValueBase::TYPE_REAL);
+	}
+	return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_Scale::get_link_vfunc(int i)const
+{
+	assert(i>=0 && i<link_count());
+
+	if(i==0)
+		return value_node;
+	else if(i==1)
+		return scalar;
+	return 0;
+}
+
+int
+ValueNode_Scale::link_count()const
+{
+	return 2;
+}
+
+String
+ValueNode_Scale::link_local_name(int i)const
+{
+	assert(i>=0 && i<link_count());
+
+	if(i==0)
+		return _("Link");
+	else if(i==1)
+		return _("Scalar");
+	return String();
+}
+
+String
+ValueNode_Scale::link_name(int i)const
+{
+	assert(i>=0 && i<link_count());
+
+	if(i==0)
+		return "link";
+	else if(i==1)
+		return "scalar";
+	return String();
+}
+
+int
+ValueNode_Scale::get_link_index_from_name(const String &name)const
+{
+	if(name=="link")
+		return 0;
+	if(name=="scalar")
+		return 1;
+
+	throw Exception::BadLinkName(name);
+}
+
+String
+ValueNode_Scale::get_name()const
+{
+	return "scale";
+}
+
+String
+ValueNode_Scale::get_local_name()const
+{
+	return _("Scale");
+}
+
+bool
+ValueNode_Scale::check_type(ValueBase::Type type)
+{
+	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;
+}