mirror of
https://github.com/jkriege2/JKQtPlotter.git
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879 lines
40 KiB
C++
879 lines
40 KiB
C++
/*
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Copyright (c) 2008-2020 Jan W. Krieger
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef jkqtpgraphsimage_H
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#define jkqtpgraphsimage_H
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#include <QString>
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#include <QPainter>
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#include <QImage>
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#include <QIcon>
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#include "jkqtplotter/graphs/jkqtpscatter.h"
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#include "jkqtplotter/jkqtptools.h"
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#include "jkqtplotter/jkqtpbaseelements.h"
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#include "jkqtplotter/jkqtplotter_imexport.h"
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#include "jkqtplotter/jkqtpimagetools.h"
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/*! \brief base class for plotting an image
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\ingroup jkqtplotter_imagelots_elements
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPImageBase: public JKQTPGraph {
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Q_OBJECT
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public:
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPImageBase(JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param parent parent plotter object
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*
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*/
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JKQTPImageBase(double x, double y, double width, double height, JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPImageBase(JKQTPlotter* parent);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param parent parent plotter object
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*
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*/
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JKQTPImageBase(double x, double y, double width, double height, JKQTPlotter* parent);
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/** \brief plots a key marker inside the specified rectangle \a rect */
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virtual void drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) override;
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/** \brief get the maximum and minimum x-value of the graph
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*
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* The result is given in the two parameters which are call-by-reference parameters!
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*/
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virtual bool getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) override;
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/** \brief get the maximum and minimum y-value of the graph
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*
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* The result is given in the two parameters which are call-by-reference parameters!
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*/
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virtual bool getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) override;
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/** \brief returns the color to be used for the key label */
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virtual QColor getKeyLabelColor() const override;
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/*! \copydoc x */
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void setX(double __value);
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/*! \copydoc x */
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double getX() const;
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/*! \copydoc y */
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void setY(double __value);
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/*! \copydoc y */
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double getY() const;
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/*! \copydoc width */
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void setWidth(double __value);
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/*! \copydoc width */
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double getWidth() const;
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/*! \copydoc height */
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void setHeight(double __value);
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/*! \copydoc height */
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double getHeight() const;
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protected:
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/** \brief x coordinate of lower left corner */
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double x;
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/** \brief y coordinate of lower left corner */
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double y;
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/** \brief width of image */
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double width;
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/** \brief height of image */
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double height;
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/*! \brief plot the given QImage onto the widget where the QImage fills the area defined by x, y (lower left corner) and width, height
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in the simplest case your implementation of draw() will call
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<code>plotImage(painter, image, this->x, this->y, this->width, this->height);</code>
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*/
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virtual void plotImage(JKQTPEnhancedPainter& painter, QImage& image, double x, double y, double width, double height);
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};
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/*! \brief base class to hold an image from an 2-dimensional array of values
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\ingroup jkqtplotter_imagelots_elements
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\image html imageplot.png
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPMathImageBase: public JKQTPImageBase {
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Q_OBJECT
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public:
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPMathImageBase(JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param parent parent plotter object
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*
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*/
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JKQTPMathImageBase(double x, double y, double width, double height, JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param datatype datatype of the image given in \a data
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* \param data points to an image to be plotted (of size \a Nx * \a Ny )
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* \param Nx width (in number of pixels) of \a data
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* \param Ny height (in number of pixels) of \a data
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* \param parent parent plotter object
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*
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*/
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JKQTPMathImageBase(double x, double y, double width, double height, JKQTPMathImageDataType datatype, void* data, int Nx, int Ny, JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPMathImageBase(JKQTPlotter* parent);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param parent parent plotter object
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*
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*/
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JKQTPMathImageBase(double x, double y, double width, double height, JKQTPlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param datatype datatype of the image given in \a data
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* \param data points to an image to be plotted (of size \a Nx * \a Ny )
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* \param Nx width (in number of pixels) of \a data
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* \param Ny height (in number of pixels) of \a data
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* \param parent parent plotter object
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*
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*/
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JKQTPMathImageBase(double x, double y, double width, double height, JKQTPMathImageDataType datatype, void* data, int Nx, int Ny, JKQTPlotter* parent);
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/** \brief plots a key marker inside the specified rectangle \a rect */
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virtual void drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) override;
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/*! \copydoc Nx */
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void setNx(int __value);
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/*! \copydoc Nx */
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void setNx(size_t __value);
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/*! \copydoc Nx */
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int getNx() const;
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/*! \copydoc Ny */
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void setNy(int __value);
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/*! \copydoc Ny */
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void setNy(size_t __value);
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/*! \copydoc Ny */
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int getNy() const;
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/*! \copydoc data */
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virtual void setData(void* __value);
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/*! \copydoc data */
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virtual void *getData() const;
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/*! \copydoc datatype */
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virtual void setDatatype(JKQTPMathImageDataType __value);
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/*! \copydoc datatype */
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virtual JKQTPMathImageDataType getDatatype() const;
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/*! \copydoc dataModifier */
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virtual void setDataModifier(void* __value);
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/*! \copydoc dataModifier */
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virtual void *getDataModifier() const;
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/*! \copydoc datatypeModifier */
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virtual void setDatatypeModifier(JKQTPMathImageDataType __value);
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/*! \copydoc datatypeModifier */
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virtual JKQTPMathImageDataType getDatatypeModifier() const;
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/*! \copydoc modifierMode */
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/** \brief sets dataModifier (\copybrief dataModifier ) and datatypeModifier (\copybrief datatypeModifier ) */
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virtual void setDataModifier(void* data, JKQTPMathImageDataType datatype);
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/** \brief sets data (\copybrief data ) and datatype (\copybrief datatype ), as well as the size of data (Nx: \copybrief Nx and Ny: \copybrief Ny ) */
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virtual void setData(void* data, int Nx, int Ny, JKQTPMathImageDataType datatype);
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/** \brief sets data (\copybrief data ), as well as the size of data (Nx: \copybrief Nx and Ny: \copybrief Ny ) */
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virtual void setData(void* data, int Nx, int Ny);
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/** \brief determine min/max data value of the image */
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virtual void getDataMinMax(double& imin, double& imax);
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/** \brief determine min/max data value of the image */
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virtual void getModifierMinMax(double& imin, double& imax);
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/** \brief returns the contents of the internal data image as a QVector<double> */
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QVector<double> getDataAsDoubleVector() const;
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/** \brief returns the contents of the internal modifier image as a QVector<double> */
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QVector<double> getDataModifierAsDoubleVector() const;
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protected:
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/** \brief points to the data array, holding the image */
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void* data;
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/** \brief datatype of the data array data */
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JKQTPMathImageDataType datatype;
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/** \brief width of the data array data in pt */
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int Nx;
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/** \brief height of the data array data in pt */
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int Ny;
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/** \brief points to the data array, holding the modifier image */
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void* dataModifier;
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/** \brief datatype of the data array data */
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JKQTPMathImageDataType datatypeModifier;
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/** \brief internal storage for minimum of the image value range
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*
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* This is set e.g. when calling drawImage() or draw()
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*/
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double internalDataMin;
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/** \brief internal storage for maximum of the image value range
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*
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* This is set e.g. when calling drawImage() or draw()
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*/
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double internalDataMax;
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/** \brief internal storage for minimum of the modifier image value range
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*
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* This is set e.g. when calling modifyImage() or draw()
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*/
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double internalModifierMin;
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/** \brief internal storage for maximum of the modifier image value range
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*
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* This is set e.g. when calling modifyImage() or draw()
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*/
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double internalModifierMax;
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/** \brief overwrite this to fill the data poiters before they are accessed (e.g. to load data from a column in the datastore */
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virtual void ensureImageData();
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};
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/*! \brief class to plot an image from a QImage object
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\ingroup jkqtplotter_imagelots_elements
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\image html rgbimageplot_qt.png
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\see \ref JKQTPlotterImagePlotQImageRGB
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPImage: public JKQTPImageBase {
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Q_OBJECT
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public:
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPImage(JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPImage(JKQTPlotter* parent);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param image points to a QImage that shall be plotted (the constructed object does not take ownership!)
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* \param parent parent plotter object
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*
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*/
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JKQTPImage(double x, double y, double width, double height, QImage* image, JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param image points to a QImage that shall be plotted (the constructed object does not take ownership!)
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* \param parent parent plotter object
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*
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*/
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JKQTPImage(double x, double y, double width, double height, QImage* image, JKQTPlotter* parent);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param image a QImage that shall be plotted (the constructed object copies the contents into an internally owned variable)
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* \param parent parent plotter object
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*
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*/
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JKQTPImage(double x, double y, double width, double height, const QImage& image, JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param image a QImage that shall be plotted (the constructed object copies the contents into an internally owned variable)
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* \param parent parent plotter object
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*
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*/
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JKQTPImage(double x, double y, double width, double height, const QImage& image, JKQTPlotter* parent);
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virtual ~JKQTPImage() override;
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/** \brief plots the graph to the plotter object specified as parent */
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virtual void draw(JKQTPEnhancedPainter& painter) override;
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/** \brief plots a key marker inside the specified rectangle \a rect */
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virtual void drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) override;
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/** \brief copy an external image into an internally owned copy */
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virtual void setImage(const QImage& image);
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/** \brief set an external image to be plotted, the image will NOT BE OWNED by the graph-object */
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virtual void setImage(QImage* image);
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/** \brief deletes the internal image */
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void clear_image();
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/*! \copydoc image */
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inline QImage* getImage() const { return this->image; }
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protected:
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/** \brief the image to be plotted. This is freed by the destructor, iff \a image_owned is set to \c true (.e.g by QImage-copy-constructors) */
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QImage* image;
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/** \brief indicates that the image \a image is owned by this object (i.e. freed, when the object is destroyed) */
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bool image_owned;
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/** \brief create QActions that are shown in the context menu of the JKQTPlotter
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*
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* \see actSaveImage, actCopyImage, saveImagePlotAsImage(), copyImagePlotAsImage()
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*/
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void createImageActions();
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protected:
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/** \brief QActions that saves the image (asking the user for a filename)
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*
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* \see actSaveImage, saveImagePlotAsImage()
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*/
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QAction* actSaveImage;
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/** \brief QActions that copies the image into the clipboard
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*
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* \see actCopyImage, copyImagePlotAsImage()
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*/
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QAction* actCopyImage;
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public:
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/** \copydoc JKQTPImageBase::setParent() */
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virtual void setParent(JKQTBasePlotter* parent) override;
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/** \copydoc JKQTPImageBase::setTitle() */
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virtual void setTitle(const QString& title) override;
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public slots:
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/** \brief saves the image (asking the user for a filename, if \a filename is empty)
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*
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* \param filename name of the file that should be create (if empty, a file save dialog is shown)
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* \param outputFormat format of the output file, see <a href="https://doc.qt.io/qt-5/qimage.html#save">QImage::save()</a>
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*
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* \see actSaveImage, saveImagePlotAsImage(), <a href="https://doc.qt.io/qt-5/qimage.html#save">QImage::save()</a>
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*/
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void saveImagePlotAsImage(const QString &filename=QString(""), const QByteArray &outputFormat=QByteArray());
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/** \brief copies the image into the clipboard
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*
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* \see actCopyImage, copyImagePlotAsImage()
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*/
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void copyImagePlotAsImage();
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};
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/*! \brief class to plot an image from an 2-dimensional array of values
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\ingroup jkqtplotter_imagelots_elements
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\image html imageplot.png
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\image html imageplot_modifier.png
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\image html imageplot__smallscaletransparent.png
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\see \ref JKQTPlotterImagePlotNoDatastore
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPMathImage: public JKQTPMathImageBase, public JKQTPColorPaletteWithModifierStyleAndToolsMixin {
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Q_OBJECT
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public:
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/** \brief class constructor
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*
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* \param parent parent plotter object
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*/
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JKQTPMathImage(JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param datatype datatype of the image given in \a data
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* \param data points to an image to be plotted (of size \a Nx * \a Ny )
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* \param Nx width (in number of pixels) of \a data
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* \param Ny height (in number of pixels) of \a data
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* \param palette color palette to use for plotting
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* \param parent parent plotter object
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*
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*/
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JKQTPMathImage(double x, double y, double width, double height, JKQTPMathImageDataType datatype, void* data, int Nx, int Ny, JKQTPMathImageColorPalette palette=JKQTPMathImageGRAY, JKQTBasePlotter* parent=nullptr);
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/** \brief class constructor
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*
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* \param x origin of the image (x-direction) in system coordinates
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* \param y origin of the image (y-direction) in system coordinates
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* \param width width of the image in system coordinates
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* \param height height of the image in system coordinates
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* \param datatype datatype of the image given in \a data
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* \param data points to an image to be plotted (of size \a Nx * \a Ny )
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* \param Nx width (in number of pixels) of \a data
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* \param Ny height (in number of pixels) of \a data
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* \param palette color palette to use for plotting
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* \param parent parent plotter object
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*
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*/
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JKQTPMathImage(double x, double y, double width, double height, JKQTPMathImageDataType datatype, void* data, int Nx, int Ny, JKQTPMathImageColorPalette palette, JKQTPlotter* parent);
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/** \brief class constructor
|
|
*
|
|
* \param parent parent plotter object
|
|
*/
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|
JKQTPMathImage(JKQTPlotter* parent);
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|
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/** \brief plots the graph to the plotter object specified as parent */
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|
virtual void draw(JKQTPEnhancedPainter& painter) override;
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|
virtual void setParent(JKQTBasePlotter* parent) override;
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|
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/*! \brief if the graph plots outside the actual plot field of view (e.g. color bars, scale bars, ...)
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|
|
|
\note If you want to draw outside, then you'll also have to implement drawOutside()
|
|
*/
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|
virtual void getOutsideSize(JKQTPEnhancedPainter& painter, int& leftSpace, int& rightSpace, int& topSpace, int& bottomSpace) override;
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|
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/*! \brief plots outside the actual plot field of view (e.g. color bars, scale bars, ...)
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|
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|
\note If you want to draw outside, then you'll also have to implement getOutsideSize(), so enough space is reserved
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|
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|
The four value supplied tell the method where to draw (inside one of the rectangles).
|
|
*/
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|
virtual void drawOutside(JKQTPEnhancedPainter& painter, QRect leftSpace, QRect rightSpace, QRect topSpace, QRect bottomSpace) override;
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/*! \brief returns a QImage, which contains the plaette drawn outside the plot. \a steps is the number of data-setps (and the size of the output image) used for the palette image. */
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virtual QImage drawOutsidePalette(uint8_t steps=200);
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/*! \brief return the plotted image only as a QImage */
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virtual QImage drawImage();
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/** \brief determine min/max data value of the image */
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virtual void getDataMinMax(double& imin, double& imax) override;
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/** \brief determine min/max data value of the image */
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virtual void getModifierMinMax(double& imin, double& imax) override;
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|
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/** \brief return the value (raw data!) of the contained image at the given coordinate */
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|
inline double getValueAt(double x, double y);
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/** \brief retrieve size of a single sample in the image data (i.e. size of the datatype) */
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inline int getSampleSize() const;
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|
/** \brief retrieve image data at a given position as double */
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inline double getPixelValue(int xIdx, int yIdx) const;
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|
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/** \brief return the value (raw data!) of the contained modifier image at the given coordinate */
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inline double getModifierValueAt(double x, double y);
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/** \brief retrieve size of a single sample in the modifier image data (i.e. size of the datatype) */
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inline int getModifierSampleSize() const;
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/** \brief retrieve modifier image data at a given position as double */
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|
inline double getModifierPixelValue(int xIdx, int yIdx) const;
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|
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/** \brief plots a key marker inside the specified rectangle \a rect */
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virtual void drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) override;
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/** \brief determine min/max data value of the image */
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virtual void cbGetDataMinMax(double& imin, double& imax) override;
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/** \brief determine min/max data value of the modifier image */
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virtual void cbGetModifierDataMinMax(double& imin, double& imax) override;
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protected:
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void initJKQTPMathImage();
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protected:
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/** \brief QActions that saves the image (asking the user for a filename)
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*
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* \see actSaveImage, saveImagePlotAsImage()
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*/
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QAction* actSaveImage;
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/** \brief QActions that copies the image into the clipboard
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|
*
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|
* \see actCopyImage, copyImagePlotAsImage()
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|
*/
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QAction* actCopyImage;
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/** \brief QActions that saves the current palette
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|
*
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|
* \see actSaveImage, saveColorbarPlotAsImage()
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|
*/
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|
QAction* actSavePalette;
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/** \brief QActions that copies the current palette
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*
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|
* \see actCopyImage, copyColorbarPlotAsImage()
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|
*/
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|
QAction* actCopyPalette;
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public:
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|
/** \copydoc JKQTPImageBase::setTitle() */
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virtual void setTitle(const QString& title) override;
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public slots:
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/** \brief saves the image (asking the user for a filename, if \a filename is empty)
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|
*
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|
* \param filename name of the file that should be create (if empty, a file save dialog is shown)
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* \param outputFormat format of the output file, see <a href="https://doc.qt.io/qt-5/qimage.html#save">QImage::save()</a>
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|
*
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|
* \see actSaveImage, saveImagePlotAsImage(), <a href="https://doc.qt.io/qt-5/qimage.html#save">QImage::save()</a>
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|
*/
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void saveImagePlotAsImage(const QString &filename=QString(""), const QByteArray &outputFormat=QByteArray());
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/** \brief copies the image into the clipboard
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|
*
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|
* \see actCopyImage, copyImagePlotAsImage()
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|
*/
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|
void copyImagePlotAsImage();
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/** \brief saves an image of the current palette (asking the user for a filename, if \a filename is empty)
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|
*
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|
* \param filename name of the file that should be create (if empty, a file save dialog is shown)
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|
* \param outputFormat format of the output file, see <a href="https://doc.qt.io/qt-5/qimage.html#save">QImage::save()</a>
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*
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|
* \see actSavePalette, saveColorbarPlotAsImage(), <a href="https://doc.qt.io/qt-5/qimage.html#save">QImage::save()</a>
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|
*/
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void saveColorbarPlotAsImage(const QString &filename=QString(""), const QByteArray &outputFormat=QByteArray());
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/** \brief copies an image of the current palette into the clipboard
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|
*
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|
* \see actCopyPalette, copyColorbarPlotAsImage()
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|
*/
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|
void copyColorbarPlotAsImage();
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|
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};
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////////////////////////////////////////////////////////////////////////////////////////////////
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double JKQTPMathImage::getValueAt(double x, double y)
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{
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ensureImageData();
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int xx=jkqtp_truncTo<int>((x-this->x)/width*double(Nx));
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int yy=jkqtp_truncTo<int>((y-this->y)/height*double(Ny));
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if (xx>=0 && xx<static_cast<int64_t>(Nx) && yy>=0 && yy<static_cast<int64_t>(Ny)) {
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switch(datatype) {
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case JKQTPMathImageDataType::DoubleArray: return static_cast<double>((static_cast<double*>(data))[yy*Nx+xx]);
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case JKQTPMathImageDataType::FloatArray: return static_cast<double>((static_cast<float*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::UInt8Array: return static_cast<double>((static_cast<uint8_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::UInt16Array: return static_cast<double>((static_cast<uint16_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::UInt32Array: return static_cast<double>((static_cast<uint32_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::UInt64Array: return static_cast<double>((static_cast<uint64_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::Int8Array: return static_cast<double>((static_cast<int8_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::Int16Array: return static_cast<double>((static_cast<int16_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::Int32Array: return static_cast<double>((static_cast<int32_t*>(data))[yy*Nx+xx]);
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|
case JKQTPMathImageDataType::Int64Array: return static_cast<double>((static_cast<int64_t*>(data))[yy*Nx+xx]);
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|
} }
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|
return 0.0;
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|
}
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|
|
|
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|
////////////////////////////////////////////////////////////////////////////////////////////////
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|
double JKQTPMathImage::getPixelValue(int xIdx, int yIdx) const {
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|
// row-major in datastore
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|
//ensureImageData();
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|
if (!data) return 0;
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|
switch(datatype) {
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|
case JKQTPMathImageDataType::DoubleArray:
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|
return (static_cast<double*>(data))[yIdx*getNx()+xIdx];
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|
case JKQTPMathImageDataType::FloatArray:
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|
return static_cast<double>((static_cast<float*>(data))[yIdx*getNx()+xIdx]);
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|
case JKQTPMathImageDataType::UInt8Array:
|
|
return static_cast<double>((static_cast<uint8_t*>(data))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::UInt16Array:
|
|
return static_cast<double>((static_cast<uint16_t*>(data))[yIdx*getNx()+xIdx]);
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|
case JKQTPMathImageDataType::UInt32Array:
|
|
return static_cast<double>((static_cast<uint32_t*>(data))[yIdx*getNx()+xIdx]);
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|
case JKQTPMathImageDataType::UInt64Array:
|
|
return static_cast<double>((static_cast<uint64_t*>(data))[yIdx*getNx()+xIdx]);
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|
case JKQTPMathImageDataType::Int8Array:
|
|
return static_cast<double>((static_cast<int8_t*>(data))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int16Array:
|
|
return static_cast<double>((static_cast<int16_t*>(data))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int32Array:
|
|
return static_cast<double>((static_cast<int32_t*>(data))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int64Array:
|
|
return static_cast<double>((static_cast<int64_t*>(data))[yIdx*getNx()+xIdx]);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
int JKQTPMathImage::getSampleSize() const {
|
|
switch(datatype) {
|
|
case JKQTPMathImageDataType::DoubleArray:
|
|
return sizeof(double);
|
|
case JKQTPMathImageDataType::FloatArray:
|
|
return sizeof(float);
|
|
case JKQTPMathImageDataType::UInt8Array:
|
|
return sizeof(uint8_t);
|
|
case JKQTPMathImageDataType::UInt16Array:
|
|
return sizeof(uint16_t);
|
|
case JKQTPMathImageDataType::UInt32Array:
|
|
return sizeof(uint32_t);
|
|
case JKQTPMathImageDataType::UInt64Array:
|
|
return sizeof(uint64_t);
|
|
case JKQTPMathImageDataType::Int8Array:
|
|
return sizeof(int8_t);
|
|
case JKQTPMathImageDataType::Int16Array:
|
|
return sizeof(int16_t);
|
|
case JKQTPMathImageDataType::Int32Array:
|
|
return sizeof(int32_t);
|
|
case JKQTPMathImageDataType::Int64Array:
|
|
return sizeof(int64_t);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
double JKQTPMathImage::getModifierValueAt(double x, double y)
|
|
{
|
|
ensureImageData();
|
|
int xx=jkqtp_truncTo<int>((x-this->x)/width*double(Nx));
|
|
int yy=jkqtp_truncTo<int>((y-this->y)/height*double(Ny));
|
|
if (xx>=0 && xx<(int64_t)Nx && yy>=0 && yy<(int64_t)Ny) {
|
|
switch(datatypeModifier) {
|
|
case JKQTPMathImageDataType::DoubleArray: return (static_cast<double*>(dataModifier))[yy*Nx+xx];
|
|
case JKQTPMathImageDataType::FloatArray: return static_cast<double>((static_cast<float*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::UInt8Array: return static_cast<double>((static_cast<uint8_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::UInt16Array: return static_cast<double>((static_cast<uint16_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::UInt32Array: return static_cast<double>((static_cast<uint32_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::UInt64Array: return static_cast<double>((static_cast<uint64_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::Int8Array: return static_cast<double>((static_cast<int8_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::Int16Array: return static_cast<double>((static_cast<int16_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::Int32Array: return static_cast<double>((static_cast<int32_t*>(dataModifier))[yy*Nx+xx]);
|
|
case JKQTPMathImageDataType::Int64Array: return static_cast<double>((static_cast<int64_t*>(dataModifier))[yy*Nx+xx]);
|
|
} }
|
|
return 0.0;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
double JKQTPMathImage::getModifierPixelValue(int xIdx, int yIdx) const {
|
|
// row-major in datastore
|
|
//ensureImageData();
|
|
if (!dataModifier) return 0;
|
|
switch(datatypeModifier) {
|
|
case JKQTPMathImageDataType::DoubleArray:
|
|
return (static_cast<double*>(dataModifier))[yIdx*getNx()+xIdx];
|
|
case JKQTPMathImageDataType::FloatArray:
|
|
return static_cast<double>((static_cast<float*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::UInt8Array:
|
|
return static_cast<double>((static_cast<uint8_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::UInt16Array:
|
|
return static_cast<double>((static_cast<uint16_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::UInt32Array:
|
|
return static_cast<double>((static_cast<uint32_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::UInt64Array:
|
|
return static_cast<double>((static_cast<uint64_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int8Array:
|
|
return static_cast<double>((static_cast<int8_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int16Array:
|
|
return static_cast<double>((static_cast<int16_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int32Array:
|
|
return static_cast<double>((static_cast<int32_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
case JKQTPMathImageDataType::Int64Array:
|
|
return static_cast<double>((static_cast<int64_t*>(dataModifier))[yIdx*getNx()+xIdx]);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
int JKQTPMathImage::getModifierSampleSize() const {
|
|
switch(datatypeModifier) {
|
|
case JKQTPMathImageDataType::DoubleArray:
|
|
return sizeof(double);
|
|
case JKQTPMathImageDataType::FloatArray:
|
|
return sizeof(float);
|
|
case JKQTPMathImageDataType::UInt8Array:
|
|
return sizeof(uint8_t);
|
|
case JKQTPMathImageDataType::UInt16Array:
|
|
return sizeof(uint16_t);
|
|
case JKQTPMathImageDataType::UInt32Array:
|
|
return sizeof(uint32_t);
|
|
case JKQTPMathImageDataType::UInt64Array:
|
|
return sizeof(uint64_t);
|
|
case JKQTPMathImageDataType::Int8Array:
|
|
return sizeof(int8_t);
|
|
case JKQTPMathImageDataType::Int16Array:
|
|
return sizeof(int16_t);
|
|
case JKQTPMathImageDataType::Int32Array:
|
|
return sizeof(int32_t);
|
|
case JKQTPMathImageDataType::Int64Array:
|
|
return sizeof(int64_t);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/*! \brief class to plot an image from an 2-dimensional array of values stored in a column of the datastore
|
|
\ingroup jkqtplotter_imagelots_elements
|
|
|
|
\image html imageplot.png
|
|
\image html imageplot_modifier.png
|
|
\image html imageplot__smallscaletransparent.png
|
|
|
|
\see jkqtpstatAddKDE2DImage(), jkqtpstatAddHistogram2DImage(), \ref JKQTPlotterImagePlot, \ref JKQTPlotterImagePlotModifier, \ref JKQTPlotterImagePlotOpenCV
|
|
*/
|
|
class JKQTPLOTTER_LIB_EXPORT JKQTPColumnMathImage: public JKQTPMathImage {
|
|
Q_OBJECT
|
|
public:
|
|
|
|
/** \brief class constructor
|
|
*
|
|
* \param parent parent plotter object
|
|
*/
|
|
JKQTPColumnMathImage(JKQTBasePlotter* parent=nullptr);
|
|
/** \brief class constructor
|
|
*
|
|
* \param x origin of the image (x-direction) in system coordinates
|
|
* \param y origin of the image (y-direction) in system coordinates
|
|
* \param width width of the image in system coordinates
|
|
* \param height height of the image in system coordinates
|
|
* \param parent parent plotter object
|
|
*
|
|
*/
|
|
JKQTPColumnMathImage(double x, double y, double width, double height, JKQTBasePlotter* parent=nullptr);
|
|
/** \brief class constructor
|
|
*
|
|
* \param x origin of the image (x-direction) in system coordinates
|
|
* \param y origin of the image (y-direction) in system coordinates
|
|
* \param width width of the image in system coordinates
|
|
* \param height height of the image in system coordinates
|
|
* \param imageColumn column to be plotted
|
|
* \param palette color palette to use for the plotting
|
|
* \param parent parent plotter object
|
|
*
|
|
*/
|
|
JKQTPColumnMathImage(double x, double y, double width, double height, int imageColumn, JKQTPMathImageColorPalette palette=JKQTPMathImageGRAY, JKQTBasePlotter* parent=nullptr);
|
|
/** \brief class constructor
|
|
*
|
|
* \param parent parent plotter object
|
|
*/
|
|
JKQTPColumnMathImage(JKQTPlotter* parent);
|
|
/** \brief class constructor
|
|
*
|
|
* \param x origin of the image (x-direction) in system coordinates
|
|
* \param y origin of the image (y-direction) in system coordinates
|
|
* \param width width of the image in system coordinates
|
|
* \param height height of the image in system coordinates
|
|
* \param parent parent plotter object
|
|
*
|
|
*/
|
|
JKQTPColumnMathImage(double x, double y, double width, double height, JKQTPlotter* parent);
|
|
/** \brief class constructor
|
|
*
|
|
* \param x origin of the image (x-direction) in system coordinates
|
|
* \param y origin of the image (y-direction) in system coordinates
|
|
* \param width width of the image in system coordinates
|
|
* \param height height of the image in system coordinates
|
|
* \param imageColumn column to be plotted
|
|
* \param palette color palette to use for the plotting
|
|
* \param parent parent plotter object
|
|
*
|
|
*/
|
|
JKQTPColumnMathImage(double x, double y, double width, double height, int imageColumn, JKQTPMathImageColorPalette palette, JKQTPlotter* parent);
|
|
/** \brief class constructor
|
|
*
|
|
* \param x origin of the image (x-direction) in system coordinates
|
|
* \param y origin of the image (y-direction) in system coordinates
|
|
* \param width width of the image in system coordinates
|
|
* \param height height of the image in system coordinates
|
|
* \param imageColumn column to be plotted
|
|
* \param parent parent plotter object
|
|
*
|
|
*/
|
|
JKQTPColumnMathImage(double x, double y, double width, double height, int imageColumn, JKQTPlotter* parent);
|
|
|
|
/*! \copydoc imageColumn */
|
|
virtual void setImageColumn(int __value);
|
|
|
|
/*! \copydoc imageColumn */
|
|
virtual void setImageColumn(size_t __value);
|
|
/*! \copydoc imageColumn */
|
|
int getImageColumn() const;
|
|
/*! \copydoc modifierColumn */
|
|
virtual void setModifierColumn(int __value);
|
|
/*! \copydoc modifierColumn */
|
|
virtual void setModifierColumn(size_t __value);
|
|
/*! \copydoc modifierColumn */
|
|
int getModifierColumn() const;
|
|
|
|
/** \copydoc JKQTPGraph::usesColumn() */
|
|
virtual bool usesColumn(int c) const override;
|
|
|
|
|
|
|
|
protected:
|
|
/** \brief column containing the displayed image */
|
|
int imageColumn;
|
|
/** \brief column containing the modifier image */
|
|
int modifierColumn;
|
|
|
|
/** \copydoc JKQTPMathImage::ensureImageData() */
|
|
virtual void ensureImageData() override;
|
|
|
|
private:
|
|
using JKQTPMathImage::setData;
|
|
using JKQTPMathImage::setDatatype;
|
|
using JKQTPMathImage::setDataModifier;
|
|
using JKQTPMathImage::setDatatypeModifier;
|
|
};
|
|
|
|
|
|
|
|
#endif // jkqtpgraphsimage_H
|
|
|