QGIS API Documentation
3.16.0-Hannover (43b64b13f3)
src
core
qgsmargins.cpp
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/***************************************************************************
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qgsmargins.cpp
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--------------
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Date : January 2017
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Copyright : (C) 2017 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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* 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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#include "
qgsmargins.h
"
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QString
QgsMargins::toString
()
const
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{
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if
(
isNull
() )
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return
QString();
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else
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return
QStringLiteral(
"%1,%2,%3,%4"
).arg(
qgsDoubleToString
( mLeft ),
qgsDoubleToString
( mTop ),
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qgsDoubleToString
( mRight ),
qgsDoubleToString
( mBottom ) );
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}
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QgsMargins
QgsMargins::fromString
(
const
QString &
string
)
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{
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QStringList margins =
string
.split(
','
);
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if
( margins.count() != 4 )
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return
QgsMargins
();
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return
QgsMargins
( margins.at( 0 ).toDouble(),
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margins.at( 1 ).toDouble(),
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margins.at( 2 ).toDouble(),
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margins.at( 3 ).toDouble() );
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}
qgsDoubleToString
QString qgsDoubleToString(double a, int precision=17)
Returns a string representation of a double.
Definition:
qgis.h:275
QgsMargins::fromString
static QgsMargins fromString(const QString &string)
Returns a QgsMargins object decoded from a string, or a null QgsMargins if the string could not be in...
Definition:
qgsmargins.cpp:27
QgsMargins::toString
QString toString() const
Returns the margins encoded to a string.
Definition:
qgsmargins.cpp:18
QgsMargins::isNull
bool isNull() const
Returns true if all margins are is 0; otherwise returns false.
Definition:
qgsmargins.h:63
QgsMargins
The QgsMargins class defines the four margins of a rectangle.
Definition:
qgsmargins.h:38
QgsMargins::QgsMargins
QgsMargins()=default
Constructs a margins object with all margins set to 0.
qgsmargins.h
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