118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2010 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/freestyle/intern/stroke/AdvancedFunctions0D.cpp
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* \ingroup freestyle
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* \brief Functions taking 0D input
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* \author Stephane Grabli
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* \author Emmanuel Turquin
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* \date 01/07/2003
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*/
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#include "AdvancedFunctions0D.h"
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#include "Canvas.h"
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#include "../view_map/Functions0D.h"
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#include "../view_map/SteerableViewMap.h"
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namespace Functions0D {
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int DensityF0D::operator()(Interface0DIterator& iter)
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{
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Canvas* canvas = Canvas::getInstance();
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int bound = _filter.getBound();
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if ((iter->getProjectedX()-bound < 0) || (iter->getProjectedX()+bound>canvas->width()) ||
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(iter->getProjectedY()-bound < 0) || (iter->getProjectedY()+bound>canvas->height())) {
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result = 0.0;
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return 0;
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}
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RGBImage image;
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canvas->readColorPixels((int)iter->getProjectedX() - bound, (int)iter->getProjectedY() - bound,
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_filter.maskSize(), _filter.maskSize(), image);
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result = _filter.getSmoothedPixel<RGBImage>(&image, (int)iter->getProjectedX(), (int)iter->getProjectedY());
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return 0;
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}
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int LocalAverageDepthF0D::operator()(Interface0DIterator& iter)
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{
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Canvas * iViewer = Canvas::getInstance();
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int bound = _filter.getBound();
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if ((iter->getProjectedX()-bound < 0) || (iter->getProjectedX()+bound>iViewer->width()) ||
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(iter->getProjectedY()-bound < 0) || (iter->getProjectedY()+bound>iViewer->height())) {
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result = 0.0;
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return 0;
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}
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GrayImage image;
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iViewer->readDepthPixels((int)iter->getProjectedX() - bound, (int)iter->getProjectedY()-bound,
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_filter.maskSize(), _filter.maskSize(), image);
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result = _filter.getSmoothedPixel(&image, (int)iter->getProjectedX(), (int)iter->getProjectedY());
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return 0;
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}
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int ReadMapPixelF0D::operator()(Interface0DIterator& iter)
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{
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Canvas * canvas = Canvas::getInstance();
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result = canvas->readMapPixel(_mapName, _level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
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return 0;
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}
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int ReadSteerableViewMapPixelF0D::operator()(Interface0DIterator& iter)
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{
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SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
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result = svm->readSteerableViewMapPixel(_orientation, _level, (int)iter->getProjectedX(),
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(int)iter->getProjectedY());
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return 0;
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}
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int ReadCompleteViewMapPixelF0D::operator()(Interface0DIterator& iter)
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{
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SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
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result = svm->readCompleteViewMapPixel(_level,(int)iter->getProjectedX(), (int)iter->getProjectedY());
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return 0;
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}
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int GetViewMapGradientNormF0D::operator()(Interface0DIterator& iter)
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{
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SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
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float pxy = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
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float gx = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX() + _step, (int)iter->getProjectedY())
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- pxy;
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float gy = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX(), (int)iter->getProjectedY() + _step)
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- pxy;
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result = Vec2f(gx, gy).norm();
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return 0;
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}
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} // end of namespace Functions0D
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