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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
* \brief Functions taking 0D input
*/
#include "AdvancedFunctions0D.h"
#include "Canvas.h"
#include "../view_map/Functions0D.h"
#include "../view_map/SteerableViewMap.h"
namespace Freestyle::Functions0D {
int DensityF0D::operator()(Interface0DIterator &iter)
{
Canvas *canvas = Canvas::getInstance();
int bound = _filter.getBound();
if ((iter->getProjectedX() - bound < 0) || (iter->getProjectedX() + bound > canvas->width()) ||
(iter->getProjectedY() - bound < 0) || (iter->getProjectedY() + bound > canvas->height())) {
result = 0.0;
return 0;
}
RGBImage image;
canvas->readColorPixels((int)iter->getProjectedX() - bound,
(int)iter->getProjectedY() - bound,
_filter.maskSize(),
_filter.maskSize(),
image);
result = _filter.getSmoothedPixel<RGBImage>(
&image, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int LocalAverageDepthF0D::operator()(Interface0DIterator &iter)
{
Canvas *iViewer = Canvas::getInstance();
int bound = _filter.getBound();
if ((iter->getProjectedX() - bound < 0) || (iter->getProjectedX() + bound > iViewer->width()) ||
(iter->getProjectedY() - bound < 0) || (iter->getProjectedY() + bound > iViewer->height())) {
result = 0.0;
return 0;
}
GrayImage image;
iViewer->readDepthPixels((int)iter->getProjectedX() - bound,
(int)iter->getProjectedY() - bound,
_filter.maskSize(),
_filter.maskSize(),
image);
result = _filter.getSmoothedPixel(
&image, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int ReadMapPixelF0D::operator()(Interface0DIterator &iter)
{
Canvas *canvas = Canvas::getInstance();
result = canvas->readMapPixel(
_mapName, _level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int ReadSteerableViewMapPixelF0D::operator()(Interface0DIterator &iter)
{
SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
result = svm->readSteerableViewMapPixel(
_orientation, _level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int ReadCompleteViewMapPixelF0D::operator()(Interface0DIterator &iter)
{
SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
result = svm->readCompleteViewMapPixel(
_level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int GetViewMapGradientNormF0D::operator()(Interface0DIterator &iter)
{
SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
float pxy = svm->readCompleteViewMapPixel(
_level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
float gx = svm->readCompleteViewMapPixel(
_level, (int)iter->getProjectedX() + _step, (int)iter->getProjectedY()) -
pxy;
float gy = svm->readCompleteViewMapPixel(
_level, (int)iter->getProjectedX(), (int)iter->getProjectedY() + _step) -
pxy;
result = Vec2f(gx, gy).norm();
return 0;
}
} // namespace Freestyle::Functions0D
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