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72 lines
2.2 KiB
Plaintext
72 lines
2.2 KiB
Plaintext
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/** Raster pipe */
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class QgsRasterPipe
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{
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%TypeHeaderCode
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#include <qgsrasterpipe.h>
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#include <qgsrasterresamplefilter.h>
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#include <qgsrasterprojector.h>
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%End
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public:
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// Role of known interfaces
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enum Role
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{
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UnknownRole = 0,
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ProviderRole = 1,
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RendererRole = 2,
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ResamplerRole = 3,
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ProjectorRole = 4,
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NullerRole = 5,
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};
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QgsRasterPipe();
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QgsRasterPipe( const QgsRasterPipe& thePipe );
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~QgsRasterPipe();
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/** Try to insert interface at specified index and connect
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* if connection would fail, the interface is not inserted and false is returned */
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bool insert( int idx, QgsRasterInterface* theInterface /Transfer/ );
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/** Try to replace interface at specified index and connect
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* if connection would fail, the interface is not inserted and false is returned */
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bool replace( int idx, QgsRasterInterface* theInterface /Transfer/ );
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/** Insert a new known interface in default place or replace interface of the same
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* role if it already exists. Known interfaces are: QgsRasterDataProvider,
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* QgsRasterRenderer, QgsRasterResampleFilter, QgsRasterProjector and their
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* subclasses. For unknown interfaces it mus be explicitly specified position
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* where it should be inserted using insert() method.
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*/
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bool set( QgsRasterInterface * theInterface /Transfer/ );
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/** Remove and delete interface at given index if possible */
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bool remove( int idx );
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/** Remove and delete interface from pipe if possible */
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bool remove( QgsRasterInterface * theInterface );
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int size() const;
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QgsRasterInterface * at( int idx ) const;
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QgsRasterInterface * last() const;
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/** Set interface at index on/off
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* Returns true on success */
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bool setOn( int idx, bool on );
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/** Test if interface at index may be swithed on/off */
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bool canSetOn( int idx, bool on );
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// Getters for special types of interfaces
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QgsRasterDataProvider * provider() const;
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QgsRasterRenderer * renderer() const;
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QgsRasterResampleFilter * resampleFilter() const;
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QgsRasterProjector * projector() const;
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QgsRasterNuller * nuller() const;
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/** Set on/off collection of statistics */
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void setStatsOn( bool on );
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};
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