QGIS API Documentation 3.27.0-Master (f261cc1f8b)
qgsprevieweffect.h
Go to the documentation of this file.
1/***************************************************************************
2 qgsprevieweffect.h
3 -------------------
4 begin : March 2014
5 copyright : (C) 2014 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef QGSPREVIEWEFFECT_H
19#define QGSPREVIEWEFFECT_H
20
21#include <QGraphicsEffect>
22#include "qgis_sip.h"
23#include "qgis_gui.h"
24
31class GUI_EXPORT QgsPreviewEffect: public QGraphicsEffect
32{
33 Q_OBJECT
34
35 public:
37 {
42 PreviewTritanope
43 };
44
45 QgsPreviewEffect( QObject *parent SIP_TRANSFERTHIS );
46
53 void setMode( PreviewMode mode );
54
61 PreviewMode mode() const { return mMode; }
62
63 protected:
64 void draw( QPainter *painter ) override;
65
66 private:
67
68 PreviewMode mMode;
69
70 QRgb simulateColorBlindness( QRgb &originalColor, PreviewMode type );
71 void simulateGrayscale( int &r, int &g, int &b, int &red, int &green, int &blue );
72 void simulateProtanope( int &r, int &g, int &b, int &red, int &green, int &blue );
73 void simulateDeuteranope( int &r, int &g, int &b, int &red, int &green, int &blue );
74 void simulateTritanope( int &r, int &g, int &b, int &red, int &green, int &blue );
75};
76
77#endif // QGSPREVIEWEFFECT_H
A graphics effect which can be applied to a widget to simulate various printing and color blindness m...
PreviewMode mode() const
Returns the mode used for the preview effect.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53