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src
core
raster
qgsrasterrendererregistry.h
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/***************************************************************************
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qgsrasterrendererregistry.h
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---------------------------
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begin : January 2012
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copyright : (C) 2012 by Marco Hugentobler
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email : marco at sourcepole dot ch
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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 QGSRASTERRENDERERREGISTRY_H
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#define QGSRASTERRENDERERREGISTRY_H
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#include "qgis_core.h"
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#include "
qgis.h
"
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#include <QHash>
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#include <QString>
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class
QDomElement;
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class
QgsRasterInterface
;
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class
QgsRasterLayer
;
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class
QgsRasterRenderer
;
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class
QgsRasterRendererWidget
;
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class
QgsRasterDataProvider
;
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class
QgsRectangle
;
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#ifndef SIP_RUN
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typedef
QgsRasterRenderer
*( *QgsRasterRendererCreateFunc )(
const
QDomElement &,
QgsRasterInterface
*input );
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typedef
QgsRasterRendererWidget
*( *QgsRasterRendererWidgetCreateFunc )(
QgsRasterLayer
*,
const
QgsRectangle
&extent );
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struct
CORE_EXPORT
QgsRasterRendererRegistryEntry
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{
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QgsRasterRendererRegistryEntry
(
const
QString &name,
const
QString &visibleName,
QgsRasterRendererCreateFunc
rendererFunction,
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QgsRasterRendererWidgetCreateFunc
widgetFunction,
Qgis::RasterRendererCapabilities
capabilities =
Qgis::RasterRendererCapabilities
() );
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QgsRasterRendererRegistryEntry
() =
default
;
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QString
name
;
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QString
visibleName
;
//visible (and translatable) name
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Qgis::RasterRendererCapabilities
capabilities
;
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QIcon icon();
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QgsRasterRendererCreateFunc
rendererCreateFunction = nullptr ;
//pointer to create function
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QgsRasterRendererWidgetCreateFunc
widgetCreateFunction = nullptr ;
//pointer to create function for renderer widget
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};
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#endif
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class
CORE_EXPORT
QgsRasterRendererRegistry
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{
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public
:
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QgsRasterRendererRegistry
();
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void
insert(
const
QgsRasterRendererRegistryEntry
&entry )
SIP_SKIP
;
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void
insertWidgetFunction(
const
QString &rendererName,
QgsRasterRendererWidgetCreateFunc
func )
SIP_SKIP
;
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bool
rendererData(
const
QString &rendererName,
QgsRasterRendererRegistryEntry
&data )
const
SIP_SKIP
;
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QStringList renderersList()
const
;
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QList< QgsRasterRendererRegistryEntry > entries()
const
SIP_SKIP
;
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Qgis::RasterRendererCapabilities
rendererCapabilities(
const
QString &rendererName )
const
;
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QgsRasterRenderer
*defaultRendererForDrawingStyle(
Qgis::RasterDrawingStyle
drawingStyle,
QgsRasterDataProvider
*provider )
const
SIP_FACTORY
;
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private
:
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QHash< QString, QgsRasterRendererRegistryEntry > mEntries;
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QStringList mSortedEntries;
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//read min/max values from
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bool
minMaxValuesForBand(
int
band,
QgsRasterDataProvider
*provider,
double
&minValue,
double
&maxValue )
const
;
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};
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#endif
// QGSRASTERRENDERERREGISTRY_H
Qgis::RasterDrawingStyle
RasterDrawingStyle
Raster drawing styles.
Definition
qgis.h:4435
Qgis::RasterRendererCapabilities
QFlags< RasterRendererCapability > RasterRendererCapabilities
Raster renderer capabilities.
Definition
qgis.h:1425
QgsRasterDataProvider
Base class for raster data providers.
Definition
qgsrasterdataprovider.h:89
QgsRasterInterface
Base class for processing filters like renderers, reprojector, resampler etc.
Definition
qgsrasterinterface.h:136
QgsRasterLayer
Represents a raster layer.
Definition
qgsrasterlayer.h:78
QgsRasterRendererRegistry
Registry for raster renderers.
Definition
qgsrasterrendererregistry.h:83
QgsRasterRendererWidget
Abstract base class for widgets which configure a QgsRasterRenderer.
Definition
qgsrasterrendererwidget.h:40
QgsRasterRenderer
Raster renderer pipe that applies colors to a raster.
Definition
qgsrasterrenderer.h:41
QgsRectangle
A rectangle specified with double values.
Definition
qgsrectangle.h:42
qgis.h
SIP_SKIP
#define SIP_SKIP
Definition
qgis_sip.h:126
SIP_FACTORY
#define SIP_FACTORY
Definition
qgis_sip.h:76
QgsRasterRendererWidgetCreateFunc
QgsRasterRendererWidget *(* QgsRasterRendererWidgetCreateFunc)(QgsRasterLayer *, const QgsRectangle &extent)
Definition
qgsrasterrendererregistry.h:36
QgsRasterRendererCreateFunc
QgsRasterRenderer *(* QgsRasterRendererCreateFunc)(const QDomElement &, QgsRasterInterface *input)
Definition
qgsrasterrendererregistry.h:35
QgsRasterRendererRegistryEntry
Registry for raster renderer entries.
Definition
qgsrasterrendererregistry.h:45
QgsRasterRendererRegistryEntry::QgsRasterRendererRegistryEntry
QgsRasterRendererRegistryEntry()=default
QgsRasterRendererRegistryEntry::name
QString name
Definition
qgsrasterrendererregistry.h:56
QgsRasterRendererRegistryEntry::capabilities
Qgis::RasterRendererCapabilities capabilities
Renderer capabilities.
Definition
qgsrasterrendererregistry.h:64
QgsRasterRendererRegistryEntry::visibleName
QString visibleName
Definition
qgsrasterrendererregistry.h:57
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