QGIS API Documentation
3.26.3-Buenos Aires (65e4edfdad)
src
core
qgsmapclippingutils.h
Go to the documentation of this file.
1
/***************************************************************************
2
qgsmapclippingutils.h
3
--------------------------------------
4
Date : June 2020
5
Copyright : (C) 2020 by Nyall Dawson
6
Email : nyall dot dawson at gmail dot com
7
***************************************************************************
8
* *
9
* This program is free software; you can redistribute it and/or modify *
10
* it under the terms of the GNU General Public License as published by *
11
* the Free Software Foundation; either version 2 of the License, or *
12
* (at your option) any later version. *
13
* *
14
***************************************************************************/
15
16
#ifndef QGSMAPCLIPPINGUTILS_H
17
#define QGSMAPCLIPPINGUTILS_H
18
19
#include "qgis_core.h"
20
#include "
qgis_sip.h
"
21
#include "
qgis.h
"
22
23
#include <QList>
24
#include <QPainterPath>
25
26
class
QgsRenderContext
;
27
class
QgsMapLayer
;
28
class
QgsGeometry
;
29
class
QgsMapClippingRegion
;
30
39
class
CORE_EXPORT
QgsMapClippingUtils
40
{
41
public
:
42
46
static
QList< QgsMapClippingRegion > collectClippingRegionsForLayer(
const
QgsRenderContext
&context,
const
QgsMapLayer
*layer );
47
60
static
QgsGeometry
calculateFeatureRequestGeometry(
const
QList< QgsMapClippingRegion > ®ions,
const
QgsRenderContext
&context,
bool
&shouldFilter );
61
74
static
QgsGeometry
calculateFeatureIntersectionGeometry(
const
QList< QgsMapClippingRegion > ®ions,
const
QgsRenderContext
&context,
bool
&shouldClip );
75
89
static
QPainterPath calculatePainterClipRegion(
const
QList< QgsMapClippingRegion > ®ions,
const
QgsRenderContext
&context,
QgsMapLayerType
layerType,
bool
&shouldClip );
90
103
static
QgsGeometry
calculateLabelIntersectionGeometry(
const
QList< QgsMapClippingRegion > ®ions,
const
QgsRenderContext
&context,
bool
&shouldClip );
104
};
105
106
#endif // QGSMAPCLIPPINGUTILS_H
QgsMapClippingRegion
A map clipping region (in map coordinates and CRS).
Definition:
qgsmapclippingregion.h:33
QgsMapLayerType
QgsMapLayerType
Types of layers that can be added to a map.
Definition:
qgis.h:46
qgis.h
QgsRenderContext
Contains information about the context of a rendering operation.
Definition:
qgsrendercontext.h:59
QgsMapClippingUtils
Utility functions for use when clipping map renders.
Definition:
qgsmapclippingutils.h:39
qgis_sip.h
QgsGeometry
A geometry is the spatial representation of a feature.
Definition:
qgsgeometry.h:124
QgsMapLayer
Base class for all map layer types. This is the base class for all map layer types (vector,...
Definition:
qgsmaplayer.h:72
Generated on Sun Sep 11 2022 00:03:17 for QGIS API Documentation by
1.8.17