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/*
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* This file is part of the KDE project
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*
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* Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _KIS_CIMG_FILTER_H_
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#define _KIS_CIMG_FILTER_H_
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#include "kis_filter.h"
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#include "kis_filter_config_widget.h"
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#include "CImg.h"
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class KisCImgFilterConfiguration : public KisFilterConfiguration
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{
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public:
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KisCImgFilterConfiguration();
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virtual TQString toString();
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virtual void fromXML(const TQString & s);
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public:
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TQ_INT32 nb_iter; // Number of smoothing iterations
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double dt; // Time step
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double dlength; // Integration step
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double dtheta; // Angular step (in degrees)
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double sigma; // Structure tensor blurring
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double power1; // Diffusion limiter along isophote
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double power2; // Diffusion limiter along gradient
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double gauss_prec; // Precision of the gaussian function
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bool onormalize; // Output image normalization (in [0,255])
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bool linear; // Use linear interpolation for integration ?
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};
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class KisCImgFilter : public KisFilter
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{
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public:
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KisCImgFilter();
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public:
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virtual void process(KisPaintDeviceSP,KisPaintDeviceSP, KisFilterConfiguration* , const TQRect&);
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static inline KisID id() { return KisID("cimg", i18n("Image Restoration (cimg-based)")); };
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virtual bool supportsPainting() { return false; }
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virtual bool supportsPreview() { return false; }
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virtual ColorSpaceIndependence colorSpaceIndependence();
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public:
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virtual KisFilterConfigWidget * createConfigurationWidget(TQWidget* parent, KisPaintDeviceSP dev);
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virtual KisFilterConfiguration * configuration(TQWidget*);
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virtual KisFilterConfiguration * configuration() { return new KisCImgFilterConfiguration();};
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private:
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bool process();
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// Compute smoothed structure tensor field G
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void compute_smoothed_tensor();
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// Compute normalized tensor field sqrt(T) in G
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void compute_normalized_tensor();
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// Compute LIC's along different angle projections a_\alpha
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void compute_LIC(int &counter);
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void compute_LIC_back_forward(int x, int y);
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void compute_W(float cost, float sint);
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// Average all the LIC's
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void compute_average_LIC();
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// Prepare datas
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bool prepare();
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bool prepare_restore();
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bool prepare_inpaint();
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bool prepare_resize();
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bool prepare_visuflow();
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// Check arguments
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bool check_args();
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// Clean up memory (CImg datas) to save memory
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void cleanup();
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private:
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unsigned int nb_iter; // Number of smoothing iterations
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float dt; // Time step
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float dlength; // Integration step
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float dtheta; // Angular step (in degrees)
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float sigma; // Structure tensor blurring
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float power1; // Diffusion limiter along isophote
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float power2; // Diffusion limiter along gradient
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float gauss_prec; // Precision of the gaussian function
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bool onormalize; // Output image normalization (in [0,255])
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bool linear; // Use linear interpolation for integration
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// internal use
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bool restore;
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bool inpaint;
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bool resize;
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const char* visuflow;
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cimg_library::CImg<> dest, sum, W;
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cimg_library::CImg<> img, img0, flow,G;
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cimg_library::CImgl<> eigen;
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cimg_library::CImg<unsigned char> mask;
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};
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#endif
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