EdgeScaler Class Reference

Inheritance diagram for EdgeScaler:

Public Member Functions
	EdgeScaler (const Graphics::PixelFormat &format)
uint	increaseFactor () override
uint	decreaseFactor () override
Public Member Functions inherited from SourceScaler
	SourceScaler (const Graphics::PixelFormat &format)
virtual void	setSource (const byte *src, uint pitch, int width, int height, int padding) final
virtual void	enableSource (bool enable) final
virtual uint	setFactor (uint factor) final
Public Member Functions inherited from Scaler
	Scaler (const Graphics::PixelFormat &format)
void	scale (const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height, int x, int y)
virtual uint	getFactor () const

Protected Member Functions
virtual void	internScale (const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, const uint8 *oldSrcPtr, uint32 oldSrcPitch, int width, int height, const uint8 *buffer, uint32 bufferPitch) override
Protected Member Functions inherited from SourceScaler
virtual void	scaleIntern (const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height, int x, int y) final

Additional Inherited Members
Protected Attributes inherited from Scaler
uint	_factor
Graphics::PixelFormat	_format

Member Function Documentation

increaseFactor()

uint EdgeScaler::increaseFactor ( )

overridevirtual

Increase the factor of scaling.

Returns

The new factor

Implements Scaler.

decreaseFactor()

uint EdgeScaler::decreaseFactor ( )

overridevirtual

Decrease the factor of scaling.

Returns

The new factor

Implements Scaler.

internScale()

virtual void EdgeScaler::internScale ( const uint8 *  srcPtr, uint32  srcPitch, uint8 *  dstPtr, uint32  dstPitch, const uint8 *  oldSrcPtr, uint32  oldSrcPitch, int  width, int  height, const uint8 *  buffer, uint32  bufferPitch  )

overrideprotectedvirtual

Scalers must implement this function. It will be called by oldSrcScale. If by comparing the src and oldsrc images it is discovered that no change is necessary, do not write a pixel.

If oldSrcPtr is NULL, do not read from it. Scale every pixel.

Implements SourceScaler.

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The documentation for this class was generated from the following file:

• graphics/scaler/edge.h