+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_blinecalcwidth.cpp
-** \brief Implementation of the "BLine Width" valuenode conversion.
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 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 "valuenode_blinecalcwidth.h"
-#include "valuenode_bline.h"
-#include "valuenode_const.h"
-#include "valuenode_composite.h"
-#include "general.h"
-#include "exception.h"
-#include <ETL/hermite>
-
-#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_BLineCalcWidth::ValueNode_BLineCalcWidth(const ValueBase::Type &x):
- LinkableValueNode(x)
-{
- if(x!=ValueBase::TYPE_REAL)
- throw Exception::BadType(ValueBase::type_local_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_BLineCalcWidth::create_new()const
-{
- return new ValueNode_BLineCalcWidth(ValueBase::TYPE_REAL);
-}
-
-ValueNode_BLineCalcWidth*
-ValueNode_BLineCalcWidth::create(const ValueBase &x)
-{
- return new ValueNode_BLineCalcWidth(x.get_type());
-}
-
-ValueNode_BLineCalcWidth::~ValueNode_BLineCalcWidth()
-{
- unlink_all();
-}
-
-ValueBase
-ValueNode_BLineCalcWidth::operator()(Time t)const
-{
- const std::vector<ValueBase> bline((*bline_)(t));
- handle<ValueNode_BLine> 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 Real();
- if (loop)
- {
- amount = amount - int(amount);
- if (amount < 0) amount++;
- }
- else
- {
- if (amount < 0) amount = 0;
- if (amount > 1) amount = 1;
- }
-
- vector<ValueBase>::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);
-
- float width0 = blinepoint0.get_width();
- float width1 = blinepoint1.get_width();
-
- return Real(width0 + (amount-from_vertex) * (width1-width0));
-}
-
-
-
-
-
-
-
-String
-ValueNode_BLineCalcWidth::get_name()const
-{
- return "blinecalcwidth";
-}
-
-String
-ValueNode_BLineCalcWidth::get_local_name()const
-{
- return _("BLine Width");
-}
-
-bool
-ValueNode_BLineCalcWidth::set_link_vfunc(int i,ValueNode::Handle value)
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: CHECK_TYPE_AND_SET_VALUE(bline_, ValueBase::TYPE_LIST);
- case 1: CHECK_TYPE_AND_SET_VALUE(loop_, ValueBase::TYPE_BOOL);
- case 2: CHECK_TYPE_AND_SET_VALUE(amount_, ValueBase::TYPE_REAL);
- }
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_BLineCalcWidth::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return bline_;
- case 1: return loop_;
- case 2: return amount_;
- }
-
- return 0;
-}
-
-int
-ValueNode_BLineCalcWidth::link_count()const
-{
- return 3;
-}
-
-String
-ValueNode_BLineCalcWidth::link_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return "bline";
- case 1: return "loop";
- case 2: return "amount";
- }
- return String();
-}
-
-String
-ValueNode_BLineCalcWidth::link_local_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return _("BLine");
- case 1: return _("Loop");
- case 2: return _("Amount");
- }
- return String();
-}
-
-int
-ValueNode_BLineCalcWidth::get_link_index_from_name(const String &name)const
-{
- if(name=="bline") return 0;
- if(name=="loop") return 1;
- if(name=="amount") return 2;
- throw Exception::BadLinkName(name);
-}
-
-bool
-ValueNode_BLineCalcWidth::check_type(ValueBase::Type type)
-{
- return type==ValueBase::TYPE_REAL;
-}
projects / synfig.git / blobdiff