File indexing completed on 2024-05-12 15:58:12 

0001 /*
0002  *  SPDX-FileCopyrightText: 2005, 2008 Cyrille Berger <cberger@cberger.net>
0003  *
0004  *  SPDX-License-Identifier: GPL-2.0-or-later
0005  */
0006 
0007 #ifndef _KIS_CONVOLUTION_KERNEL_H_
0008 #define _KIS_CONVOLUTION_KERNEL_H_
0009 
0010 #include <cstddef>
0011 #include <Eigen/Core>
0012 #include "kis_shared.h"
0013 #include "kritaimage_export.h"
0014 #include "kis_types.h"
0015 
0016 class KisMaskGenerator;
0017 class QImage;
0018 
0019 class KRITAIMAGE_EXPORT KisConvolutionKernel : public KisShared
0020 {
0021 
0022 public:
0023     KisConvolutionKernel(quint32 width, quint32 height, qreal offset, qreal factor);
0024     virtual ~KisConvolutionKernel();
0025 
0026     quint32 width() const;
0027     quint32 height() const;
0028     /**
0029      * Change the size of a kernel, it won't reallocate, and therefore it must keep the same kernel size ( oldwidth * oldheight = newwidth*newheight)
0030      */
0031     void setSize(quint32 width, quint32 height);
0032     qreal offset() const;
0033     qreal factor() const;
0034     void setFactor(qreal);
0035     Eigen::Matrix<qreal, Eigen::Dynamic, Eigen::Dynamic>& data();
0036     const Eigen::Matrix<qreal, Eigen::Dynamic, Eigen::Dynamic> * data() const;
0037 
0038     static KisConvolutionKernelSP fromQImage(const QImage& image);
0039     static KisConvolutionKernelSP fromMaskGenerator(KisMaskGenerator *, qreal angle = 0.0);
0040     static KisConvolutionKernelSP fromMatrix(Eigen::Matrix<qreal, Eigen::Dynamic, Eigen::Dynamic> matrix, qreal offset, qreal factor);
0041 private:
0042     struct Private;
0043     Private* const d;
0044 
0045 };
0046 
0047 class QDebug;
0048 
0049 QDebug operator<<(QDebug debug, const KisConvolutionKernel &c);
0050 #endif