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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "PolyLineNode.h"
#include "TypeDefinition.h"
#include "../graphics/VertexArray.h"
#include "../base/Exception.h"
#include <iostream>
#include <sstream>
using namespace std;
namespace avg {
void PolyLineNode::registerType()
{
vector<glm::vec2> v;
vector<float> vd;
TypeDefinition def = TypeDefinition("polyline", "vectornode",
ExportedObject::buildObject<PolyLineNode>)
.addArg(Arg<string>("linejoin", "bevel"))
.addArg(Arg<vector<glm::vec2> >("pos", v, false, offsetof(PolyLineNode, m_Pts)))
.addArg(Arg<vector<float> >("texcoords", vd, false,
offsetof(PolyLineNode, m_TexCoords)))
;
TypeRegistry::get()->registerType(def);
}
PolyLineNode::PolyLineNode(const ArgList& args)
: VectorNode(args)
{
args.setMembers(this);
if (m_TexCoords.size() > m_Pts.size()) {
throw(Exception(AVG_ERR_OUT_OF_RANGE,
"Too many texture coordinates in polyline"));
}
setLineJoin(args.getArgVal<string>("linejoin"));
calcPolyLineCumulDist(m_CumulDist, m_Pts, false);
}
PolyLineNode::~PolyLineNode()
{
}
const vector<glm::vec2>& PolyLineNode::getPos() const
{
return m_Pts;
}
void PolyLineNode::setPos(const vector<glm::vec2>& pts)
{
m_Pts = pts;
m_TexCoords.clear();
m_EffTexCoords.clear();
calcPolyLineCumulDist(m_CumulDist, m_Pts, false);
setDrawNeeded();
}
const vector<float>& PolyLineNode::getTexCoords() const
{
return m_TexCoords;
}
void PolyLineNode::setTexCoords(const vector<float>& coords)
{
if (coords.size() > m_Pts.size()) {
throw(Exception(AVG_ERR_OUT_OF_RANGE,
"Too many texture coordinates in polyline"));
}
m_EffTexCoords.clear();
m_TexCoords = coords;
setDrawNeeded();
}
string PolyLineNode::getLineJoin() const
{
return lineJoin2String(m_LineJoin);
}
void PolyLineNode::setLineJoin(const string& s)
{
m_LineJoin = string2LineJoin(s);
setDrawNeeded();
}
void PolyLineNode::calcVertexes(const VertexDataPtr& pVertexData, Pixel32 color)
{
if (getNumDifferentPts(m_Pts) < 2) {
return;
}
if (m_EffTexCoords.empty()) {
calcEffPolyLineTexCoords(m_EffTexCoords, m_TexCoords, m_CumulDist);
}
calcPolyLine(m_Pts, m_EffTexCoords, false, m_LineJoin, pVertexData, color);
}
}
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