X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_07_rc1%2Fsrc%2Fsynfig%2Fvaluenode_blinecalcvertex.cpp;fp=synfig-core%2Ftags%2Fsynfig_0_61_07_rc1%2Fsrc%2Fsynfig%2Fvaluenode_blinecalcvertex.cpp;h=074e41fb2eded2eb769ddf8de519411161a48186;hb=7d32b486bfe48032fdb52fbb3b6f144a6ce7e63e;hp=0000000000000000000000000000000000000000;hpb=e46234d7b452318bb265f47ba85f2a5226f9657a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_07_rc1/src/synfig/valuenode_blinecalcvertex.cpp b/synfig-core/tags/synfig_0_61_07_rc1/src/synfig/valuenode_blinecalcvertex.cpp new file mode 100644 index 0000000..074e41f --- /dev/null +++ b/synfig-core/tags/synfig_0_61_07_rc1/src/synfig/valuenode_blinecalcvertex.cpp @@ -0,0 +1,223 @@ +/* === S Y N F I G ========================================================= */ +/*! \file valuenode_blinecalcvertex.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 +#endif + +#include "valuenode_blinecalcvertex.h" +#include "valuenode_bline.h" +#include "valuenode_const.h" +#include "valuenode_composite.h" +#include "general.h" +#include "exception.h" +#include + +#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_BLineCalcVertex::ValueNode_BLineCalcVertex(const ValueBase::Type &x): + LinkableValueNode(x) +{ + if(x!=ValueBase::TYPE_VECTOR) + throw Exception::BadType(ValueBase::type_name(x)); + + ValueNode_BLine* value_node(new ValueNode_BLine()); + set_link("bline",value_node); + set_link("loop",ValueNode_Const::create(bool(false))); + set_link("amount",ValueNode_Const::create(Real(0.5))); +} + +LinkableValueNode* +ValueNode_BLineCalcVertex::create_new()const +{ + return new ValueNode_BLineCalcVertex(ValueBase::TYPE_VECTOR); +} + +ValueNode_BLineCalcVertex* +ValueNode_BLineCalcVertex::create(const ValueBase &x) +{ + return new ValueNode_BLineCalcVertex(x.get_type()); +} + +ValueNode_BLineCalcVertex::~ValueNode_BLineCalcVertex() +{ + unlink_all(); +} + +ValueBase +ValueNode_BLineCalcVertex::operator()(Time t)const +{ + const std::vector bline((*bline_)(t)); + handle bline_value_node(bline_); + const bool looped(bline_value_node->get_loop()); + int size = bline.size(), from_vertex; + bool loop((*loop_)(t).get(bool())); + Real amount((*amount_)(t).get(Real())); + BLinePoint blinepoint0, blinepoint1; + + if (!looped) size--; + if (size < 1) return Vector(); + if (loop) + { + amount = amount - int(amount); + if (amount < 0) amount++; + } + else + { + if (amount < 0) amount = 0; + if (amount > 1) amount = 1; + } + + vector::const_iterator iter, next(bline.begin()); + + iter = looped ? --bline.end() : next++; + amount = amount * size; + from_vertex = int(amount); + if (from_vertex > size-1) from_vertex = size-1; + blinepoint0 = from_vertex ? *(next+from_vertex-1) : *iter; + blinepoint1 = *(next+from_vertex); + + etl::hermite curve(blinepoint0.get_vertex(), blinepoint1.get_vertex(), + blinepoint0.get_tangent2(), blinepoint1.get_tangent1()); + return curve(amount-from_vertex); +} + + + + + + + +String +ValueNode_BLineCalcVertex::get_name()const +{ + return "blinecalcvertex"; +} + +String +ValueNode_BLineCalcVertex::get_local_name()const +{ + return _("BLine Vertex"); +} + +bool +ValueNode_BLineCalcVertex::set_link_vfunc(int i,ValueNode::Handle x) +{ + assert(i>=0 && i=0 && i=0 && i=0 && i