QGIS API Documentation
3.0.2-Girona (307d082)
src
gui
qgsprevieweffect.h
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/***************************************************************************
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qgsprevieweffect.h
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-------------------
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begin : March 2014
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copyright : (C) 2014 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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***************************************************************************/
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/***************************************************************************
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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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***************************************************************************/
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#ifndef QGSPREVIEWEFFECT_H
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#define QGSPREVIEWEFFECT_H
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#include <QGraphicsEffect>
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#include "
qgis.h
"
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#include "qgis_gui.h"
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class
GUI_EXPORT
QgsPreviewEffect
:
public
QGraphicsEffect
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{
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Q_OBJECT
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public
:
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enum
PreviewMode
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{
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PreviewGrayscale
,
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PreviewMono
,
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PreviewProtanope
,
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PreviewDeuteranope
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};
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QgsPreviewEffect
( QObject *parent
SIP_TRANSFERTHIS
);
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void
setMode(
PreviewMode
mode );
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PreviewMode
mode
()
const
{
return
mMode; }
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protected
:
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void
draw( QPainter *painter )
override
;
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private
:
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PreviewMode
mMode;
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QRgb simulateColorBlindness( QRgb &originalColor,
PreviewMode
type );
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void
simulateProtanopeLMS(
double
&L,
double
&M,
double
&S );
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void
simulateDeuteranopeLMS(
double
&L,
double
&M,
double
&S );
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};
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#endif // QGSPREVIEWEFFECT_H
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition:
qgis_sip.h:46
QgsPreviewEffect
A graphics effect which can be applied to a widget to simulate various printing and color blindness m...
Definition:
qgsprevieweffect.h:31
QgsPreviewEffect::PreviewMono
Definition:
qgsprevieweffect.h:39
QgsPreviewEffect::mode
PreviewMode mode() const
Returns the mode used for the preview effect.
Definition:
qgsprevieweffect.h:60
QgsPreviewEffect::PreviewGrayscale
Definition:
qgsprevieweffect.h:38
QgsPreviewEffect::PreviewProtanope
Definition:
qgsprevieweffect.h:40
QgsPreviewEffect::PreviewMode
PreviewMode
Definition:
qgsprevieweffect.h:36
qgis.h
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