backend/datapicker/ImageEditor.h

0001 /***************************************************************************
0002     File                 : ImageEditor.h
0003     Project              : LabPlot
0004     Description          : Edit Image on the basis of input color attributes
0005     --------------------------------------------------------------------
0006     Copyright            : (C) 2015 by Ankit Wagadre (wagadre.ankit@gmail.com)
0007  ***************************************************************************/
0008 /***************************************************************************
0009  *                                                                         *
0010  *  This program is free software; you can redistribute it and/or modify   *
0011  *  it under the terms of the GNU General Public License as published by   *
0012  *  the Free Software Foundation; either version 2 of the License, or      *
0013  *  (at your option) any later version.                                    *
0014  *                                                                         *
0015  *  This program is distributed in the hope that it will be useful,        *
0016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
0017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
0018  *  GNU General Public License for more details.                           *
0019  *                                                                         *
0020  *   You should have received a copy of the GNU General Public License     *
0021  *   along with this program; if not, write to the Free Software           *
0022  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
0023  *   Boston, MA  02110-1301  USA                                           *
0024  *                                                                         *
0025  ***************************************************************************/
0026
0027 #ifndef IMAGEEDITOR_H
0028 #define IMAGEEDITOR_H
0029
0030 #include <QList>
0031
0032 #include <backend/datapicker/DatapickerImage.h>
0033
0034 class QColor;
0035
0036 class ImageEditor {
0037 public:
0038     static void discretize(QImage*, QImage*, const DatapickerImage::EditorSettings&, QColor);
0039     static bool processedPixelIsOn(const QImage&, int, int);
0040     static QRgb findBackgroundColor(const QImage*);
0041     static int colorAttributeMax(DatapickerImage::ColorAttributes);
0042     static void uploadHistogram(int*, QImage*, QColor, DatapickerImage::ColorAttributes);
0043     static int discretizeValueForeground(int, int, DatapickerImage::ColorAttributes, const QColor, const QImage*);
0044     static bool pixelIsOn(int, DatapickerImage::ColorAttributes, const DatapickerImage::EditorSettings&);
0045
0046     static int discretizeHue(int, int, const QImage*);
0047     static int discretizeSaturation(int, int, const QImage*);
0048     static int discretizeValue(int, int, const QImage*);
0049     static int discretizeIntensity(int, int, const QImage*);
0050     static int discretizeForeground(int, int, const QColor, const QImage*);
0051
0052 private:
0053     static bool colorCompare(QRgb color1, QRgb color2);
0054     static bool pixelIsOn(int, int, int);
0055
0056     struct ColorEntry {
0057         QColor color;
0058         int count;
0059     };
0060     typedef QVector<ColorEntry> ColorList;
0061 };
0062 #endif // IMAGEEDITOR_H