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13e9dd727f
which doesn't require pre-allocation of a temporary QImage The existing interface is very inefficient for the bilinear resampler, because it requires allocation of a temporary QImage just to pass the desired height and width to the resampler...
91 lines
2.8 KiB
Plaintext
91 lines
2.8 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/raster/qgsrasterresampler.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsRasterResampler
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{
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%Docstring
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Interface for resampling rasters (e.g. to have a smoother appearance)
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%End
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%TypeHeaderCode
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#include "qgsrasterresampler.h"
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#include "qgsbilinearrasterresampler.h"
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#include "qgscubicrasterresampler.h"
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%End
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%ConvertToSubClassCode
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if ( dynamic_cast<QgsBilinearRasterResampler *>( sipCpp ) != NULL )
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sipType = sipType_QgsBilinearRasterResampler;
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else if ( dynamic_cast<QgsCubicRasterResampler *>( sipCpp ) != NULL )
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sipType = sipType_QgsCubicRasterResampler;
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else
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sipType = 0;
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%End
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public:
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virtual ~QgsRasterResampler();
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virtual void resample( const QImage &srcImage, QImage &dstImage ) = 0 /Deprecated/;
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%Docstring
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Resamples a source image to a destination image.
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The size of the passed destination image should be respected during the resampling
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process.
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.. deprecated:: QGIS 3.10.1
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use the more efficient QgsRasterResamplerV2 interface instead.
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%End
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virtual QString type() const = 0;
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%Docstring
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Gets a descriptive type identifier for this raster resampler.
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Needs to be implemented by subclasses.
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%End
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virtual QgsRasterResampler *clone() const = 0 /Factory/;
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%Docstring
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Gets a deep copy of this object.
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Needs to be reimplemented by subclasses.
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Ownership is transferred to the caller.
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%End
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};
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class QgsRasterResamplerV2 : QgsRasterResampler
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{
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%Docstring
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Interface for resampling rasters (V2) (e.g. to have a smoother appearance),
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which provides a more efficient interface vs QgsRasterResampler.
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.. versionadded:: 3.10.1
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%End
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%TypeHeaderCode
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#include "qgsrasterresampler.h"
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%End
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public:
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virtual QImage resampleV2( const QImage &source, const QSize &size ) = 0;
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%Docstring
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Resamples a ``source`` image to the specified ``size``.
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Returns the resampled image, or a null QImage if the resampling fails.
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%End
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/raster/qgsrasterresampler.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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