Developer Documentation
DecimateThread.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4  * Copyright (c) 2001-2015, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openflipper.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenFlipper. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41 
42 
43 
44 #include "DecimateThread.hh"
45 
46 
47 void DecimateThread::notify(size_t _step)
48 {
49  emit state(jobId(),(100*_step)/maxCollapses_);
50 }
51 
53 {
54  return abort_;
55 }
56 
57 DecimateThread::DecimateThread(const Params& _param, QString _jobId, int _objId):
58  OpenFlipperThread(_jobId), Observer(1),
59  abort_(false), maxCollapses_(0),
60  param_(_param), baseDec_(0), objId_(_objId)
61 {
62  connect( this ,SIGNAL(function()), this,SLOT(decimate()), Qt::DirectConnection) ;
63  if (param_.dec)
64  baseDec_ = param_.dec;
65  else if (param_.mcDec)
66  baseDec_ = param_.mcDec;
67  else if (param_.mixedDec)
68  baseDec_ = param_.mixedDec;
69 
70  baseDec_->set_observer(this);
71  if (param_.verticesCount != -1)
72  maxCollapses_ = baseDec_->mesh().n_vertices() - param_.verticesCount;
73  else if (param_.facesCount != -1)
74  maxCollapses_ = baseDec_->mesh().n_faces() - param_.facesCount;
75  else
76  maxCollapses_ = 0.8*baseDec_->mesh().n_vertices(); //0.8 just magic number since we cannot say, when it stops
77 }
78 
79 DecimateThread::~DecimateThread()
80 {
81 }
82 
84 {
85  abort_ = true;
86 }
87 
88 DecimateThread::BaseDecimaterType* DecimateThread::baseDecimater()
89 {
90  return baseDec_;
91 }
92 
93 int DecimateThread::objectId() const
94 {
95  return objId_;
96 }
97 
98 void DecimateThread::decimate()
99 {
100 
101  if(param_.dec )
102  {
103  if ( param_.verticesCount != -1 )
104  param_.dec->decimate_to(param_.verticesCount,param_.selectionOnly);
105  else if (param_.facesCount != -1)
106  param_.dec->decimate_to_faces(0, param_.facesCount,param_.selectionOnly);
107  else // constraints only
108  param_.dec->decimate_to_faces(0, 1,param_.selectionOnly);
109  }
110  else if (param_.mcDec)
111  {
112  param_.mcDec->set_samples(param_.samples);
113  if ( param_.verticesCount != -1 )
114  param_.mcDec->decimate_to(param_.verticesCount,param_.selectionOnly);
115  else if (param_.facesCount != -1 )
116  param_.mcDec->decimate_to_faces(0, param_.facesCount,param_.selectionOnly);
117  else // constraints only
118  param_.mcDec->decimate_to_faces(0, 1,param_.selectionOnly);
119  }
120  else if (param_.mixedDec)
121  {
122  param_.mixedDec->set_samples(param_.samples);
123  if ( param_.verticesCount != -1 )
124  param_.mixedDec->decimate_to(param_.verticesCount,param_.mc_factor,param_.selectionOnly);
125  else if (param_.facesCount != -1 )
126  param_.mixedDec->decimate_to_faces(0, param_.facesCount,param_.mc_factor,param_.selectionOnly);
127  else // constraints only
128  param_.mixedDec->decimate_to_faces(0, 1,param_.mc_factor,param_.selectionOnly);
129  }
130  emit state(jobId(),100);
131 }
132 
virtual bool abort() const
Abort callback.
void state(QString _jobId, int _state)
Tell core about job state.
Thread handling class for OpenFlipper.
virtual void notify(size_t _step)
callback
void cancel()
Cancel the job.
QString jobId()
get JobId get the Id of the current Job
Observer(size_t _notificationInterval)
Definition: Observer.cc:63