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89 lines
2.6 KiB
Plaintext
89 lines
2.6 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,
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ProviderRole,
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RendererRole,
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BrightnessRole,
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ResamplerRole,
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ProjectorRole,
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NullerRole,
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HueSaturationRole,
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};
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QgsRasterPipe();
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//made private for python bindings
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//QgsRasterPipe( const QgsRasterPipe &pipe );
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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 *interface /Transfer/ );
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%MethodCode
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sipRes = sipCpp->insert( a0, a1 );
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if( !sipRes )
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{
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// if insertion failed transfer ownership back to python
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PyObject *o = sipGetPyObject( a1, sipType_QgsRasterInterface );
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if( o )
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sipTransferBreak( o );
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}
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%End
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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 *interface /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 *interface /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 *interface );
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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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QgsBrightnessContrastFilter *brightnessFilter() const;
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QgsHueSaturationFilter *hueSaturationFilter() const;
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QgsRasterProjector *projector() const;
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QgsRasterNuller *nuller() const;
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private:
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QgsRasterPipe( const QgsRasterPipe &pipe );
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};
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