Murl::Util::VideoSurface Class Reference

The video surface class, see IVideoSurface. More...

#include <murl_util_video_surface.h>

Detailed Description

The video surface class, see IVideoSurface.

Inheritance diagram for Murl::Util::VideoSurface:

Public Member Functions
	VideoSurface ()
	The default constructor. More...
	VideoSurface (UInt32 pixelSizeX, UInt32 pixelSizeY)
	Constructor creating a surface of specified dimension. More...
	VideoSurface (UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 bytesPerLine)
	Constructor creating a surface of specified dimension, with given line pitch. More...
	VideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY)
	Constructor creating a surface of specified pixel format and dimension. More...
	VideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 bytesPerLine)
	Constructor creating a surface of specified pixel format and dimension, with given line pitch. More...
	VideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, MutableData &sourceData)
	Constructor creating a surface of specified pixel format and dimension with given source data. More...
	VideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 bytesPerLine, MutableData &sourceData)
	Constructor creating a surface of specified pixel format and dimension with given source data. More...
	VideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, const ConstData &sourceData)
	Constructor creating a surface of specified pixel format and dimension with given source data. More...
	VideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 bytesPerLine, const ConstData &sourceData)
	Constructor creating a surface of specified pixel format and dimension with given source data. More...
	~VideoSurface () override
	The destructor.
IVideoSurface *	Clone (IEnums::PixelFormat pixelFormat) const override
	Implementation of IVideoSurface::Clone(IEnums::PixelFormat pixelFormat). More...
IVideoSurface *	Clone (UInt32 pixelSizeX, UInt32 pixelSizeY, const IVideoScaler *scaler=nullptr, Real gamma=1.0f) const override
	Implementation of IVideoSurface::Clone(IEnums::PixelFormat pixelFormat, const IVideoScaler* scaler = 0). More...
IVideoSurface *	Clone (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, const IVideoScaler *scaler=nullptr, Real gamma=1.0f) const override
	Implementation of IVideoSurface::Clone(IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, const IVideoScaler* scaler). More...
IVideoSurface *	CloneRotated (IEnums::Orientation orientation) const override
	Implementation of IVideoSurface::CloneRotated(IEnums::Orientation orientation). More...
IVideoSurface *	CloneRotated (IEnums::Orientation orientation, IEnums::PixelFormat pixelFormat) const override
	Implementation of IVideoSurface::CloneRotated(IEnums::Orientation orientation, IEnums::PixelFormat pixelFormat). More...
IVideoSurface *	CloneFrame (SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY) const override
	Implementation of IVideoSurface::CloneFrame(). More...
UInt32	GetPixelSizeX () const override
	Implementation of IVideoSurface::GetPixelSizeX(). More...
UInt32	GetPixelSizeY () const override
	Implementation of IVideoSurface::GetPixelSizeY(). More...
UInt32	GetBytesPerPixel () const override
	Implementation of IVideoSurface::GetBytesPerPixel(). More...
UInt32	GetBytesPerLine () const override
	Implementation of IVideoSurface::GetBytesPerLine(). More...
IEnums::PixelFormat	GetPixelFormat () const override
	Implementation of IVideoSurface::GetPixelFormat(). More...
const ConstData &	GetPixels () const override
	Implementation of IVideoSurface::GetPixels(). More...
const MutableData &	GetMutablePixels () override
	Implementation of IVideoSurface::GetMutablePixels(). More...
Color	GetPixel (SInt32 positionX, SInt32 positionY) const override
	Implementation of IVideoSurface::GetPixel(). More...
Bool	SetPixel (SInt32 positionX, SInt32 positionY, const Color &color) override
	Implementation of IVideoSurface::SetPixel(). More...
Bool	FlipX () override
	Implementation of IVideoSurface::FlipX(). More...
Bool	FlipY () override
	Implementation of IVideoSurface::FlipY(). More...
Bool	Blit (const IVideoSurface *source, SInt32 destPositionX, SInt32 destPositionY) override
	Implementation of IVideoSurface::Blit(const IVideoSurface* source, SInt32 destPositionX, SInt32 destPositionY). More...
Bool	Blit (const IVideoSurface *source, SInt32 sourcePositionX, SInt32 sourcePositionY, SInt32 destPositionX, SInt32 destPositionY, UInt32 pixelSizeX, UInt32 pixelSizeY) override
	Implementation of IVideoSurface::Blit(const IVideoSurface* source, SInt32 sourcePositionX, SInt32 sourcePositionY, SInt32 destPositionX, SInt32 destPositionY, UInt32 pixelSizeX, UInt32 pixelSizeY). More...
Bool	BlitScaled (const IVideoSurface *source, const IVideoScaler *scaler=nullptr, Real gamma=1.0f) override
	Implementation of IVideoSurface::BlitScaled(). More...
Bool	Clear (const Color &clearColor) override
	Implementation of IVideoSurface::Clear(const Color& clearColor). More...
Bool	Clear (SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color &clearColor) override
	Implementation of IVideoSurface::Clear(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color& clearColor). More...
Bool	GaussBlur (Real strength) override
	Implementation of IVideoSurface::GaussBlur(Real strength). More...
Bool	GaussBlur (SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, Real strength) override
	Implementation of IVideoSurface::GaussBlur(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, Real strength). More...
Bool	Dither (UInt32 redBits, UInt32 greenBits, UInt32 blueBits, UInt32 alphaBits) override
	Implementation of IVideoSurface::Dither(UInt32 redBits, UInt32 greenBits, UInt32 blueBits, UInt32 alphaBits). More...
Bool	Dither (SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 redBits, UInt32 greenBits, UInt32 blueBits, UInt32 alphaBits) override
	Implementation of IVideoSurface::Dither(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 redBits, UInt32 greenBits, UInt32 blueBits, UInt32 alphaBits). More...
Bool	ApplyMatteFringe (UInt32 matteFringe, Real matteThreshold=0) override
	Implementation of IVideoSurface::ApplyMatteFringe(const Color& matteColor, Real matteThreshold = 0). More...
Bool	ApplyMatteFringe (SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 matteFringe, Real matteThreshold=0) override
	Implementation of IVideoSurface::ApplyMatteFringe(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color& matteColor, Real matteThreshold = 0). More...
Bool	ApplyMatteColor (const Color &matteColor, Real matteThreshold=0) override
	Implementation of IVideoSurface::ApplyMatteColor(const Color& matteColor, Real matteThreshold = 0). More...
Bool	ApplyMatteColor (SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color &matteColor, Real matteThreshold=0) override
	Implementation of IVideoSurface::ApplyMatteColor(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color& matteColor, Real matteThreshold = 0). More...
Bool	RenderText (const IFont *font, const String &text, const Color &textColor, const Color &backgroundColor, Bool clearSurface, Bool enableWordWrap, Real containerPosX, Real containerPosY, Real containerSizeX, Real containerSizeY, IEnums::TextAlignmentX alignX, IEnums::TextAlignmentY alignY) override
	Implementation of IVideoSurface::RenderText(). More...
Bool	IsColumnEmpty (UInt32 column, Real threshold) const override
	Implementation of IVideoSurface::IsColumnEmpty(). More...
Bool	IsRowEmpty (UInt32 row, Real threshold) const override
	Implementation of IVideoSurface::IsRowEmpty(). More...
SInt32	ClipSizeXRight (SInt32 positionX, SInt32 sizeX) const override
	Implementation of IVideoSurface::ClipSizeXRight(). More...
SInt32	ClipSizeYBottom (SInt32 positionY, SInt32 sizeY) const override
	Implementation of IVideoSurface::ClipSizeYBottom(). More...
Bool	Evict () override
	Implementation of IVideoSurface::Evict(). More...
Bool	Restore () override
	Implementation of IVideoSurface::Restore(). More...
void	CollectObjectStatistics (IObjectStatistics *stat) const override
	Implementation of IStatisticsObject::CollectObjectStatistics(). More...
Public Member Functions inherited from Murl::IVideoSurface
	~IVideoSurface () override
	The destructor.

Protected Attributes
UInt32	mSizeX
	The pixel width.
UInt32	mSizeY
	The pixel height.
IEnums::PixelFormat	mPixelFormat
	The pixel format.
UInt32	mBytesPerLine
	The number of bytes per line.
Data	mData
	The own surface data, if specified via constructor.
ConstData	mConstData
	The actually visible constant surface data store.
MutableData	mMutableData
	The actually visible mutable surface data store, if possible.

Constructor & Destructor Documentation

VideoSurface() [1/9]

Murl::Util::VideoSurface::VideoSurface

(

)

The default constructor.

Create an empty surface with unknown pixel format.

VideoSurface() [2/9]

Murl::Util::VideoSurface::VideoSurface	(	UInt32	pixelSizeX,
		UInt32	pixelSizeY
	)

Constructor creating a surface of specified dimension.

Creates a surface with pixel format IEnums::PIXEL_FORMAT_R8_G8_B8_A8.

Parameters

pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.

VideoSurface() [3/9]

Murl::Util::VideoSurface::VideoSurface	(	UInt32	pixelSizeX,
		UInt32	pixelSizeY,
		UInt32	bytesPerLine
	)

Constructor creating a surface of specified dimension, with given line pitch.

Creates a surface with pixel format IEnums::PIXEL_FORMAT_R8_G8_B8_A8.

Parameters

pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.
bytesPerLine	The line pitch in bytes.

VideoSurface() [4/9]

Murl::Util::VideoSurface::VideoSurface	(	IEnums::PixelFormat	pixelFormat,
		UInt32	pixelSizeX,
		UInt32	pixelSizeY
	)

Constructor creating a surface of specified pixel format and dimension.

Parameters

pixelFormat	The pixel format.
pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.

VideoSurface() [5/9]

Murl::Util::VideoSurface::VideoSurface	(	IEnums::PixelFormat	pixelFormat,
		UInt32	pixelSizeX,
		UInt32	pixelSizeY,
		UInt32	bytesPerLine
	)

Constructor creating a surface of specified pixel format and dimension, with given line pitch.

Parameters

pixelFormat	The pixel format.
pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.
bytesPerLine	The line pitch in bytes.

VideoSurface() [6/9]

Murl::Util::VideoSurface::VideoSurface	(	IEnums::PixelFormat	pixelFormat,
		UInt32	pixelSizeX,
		UInt32	pixelSizeY,
		MutableData &	sourceData
	)

Constructor creating a surface of specified pixel format and dimension with given source data.

This constructor can be used to create a surface effectively wrapping a given block of mutable data without copying the source contents.

Parameters

pixelFormat	The pixel format.
pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.
sourceData	The mutable data block to be wrapped.

VideoSurface() [7/9]

Murl::Util::VideoSurface::VideoSurface	(	IEnums::PixelFormat	pixelFormat,
		UInt32	pixelSizeX,
		UInt32	pixelSizeY,
		UInt32	bytesPerLine,
		MutableData &	sourceData
	)

Constructor creating a surface of specified pixel format and dimension with given source data.

This constructor can be used to create a surface effectively wrapping a given block of mutable data without copying the source contents, using a given line pitch.

Parameters

pixelFormat	The pixel format.
pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.
bytesPerLine	The line pitch in bytes.
sourceData	The mutable data block to be wrapped.

VideoSurface() [8/9]

Murl::Util::VideoSurface::VideoSurface	(	IEnums::PixelFormat	pixelFormat,
		UInt32	pixelSizeX,
		UInt32	pixelSizeY,
		const ConstData &	sourceData
	)

Constructor creating a surface of specified pixel format and dimension with given source data.

This constructor can be used to create a surface effectively wrapping a given block of constant data without copying the source contents.

Parameters

pixelFormat	The pixel format.
pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.
sourceData	The constant data block to be wrapped.

VideoSurface() [9/9]

Murl::Util::VideoSurface::VideoSurface	(	IEnums::PixelFormat	pixelFormat,
		UInt32	pixelSizeX,
		UInt32	pixelSizeY,
		UInt32	bytesPerLine,
		const ConstData &	sourceData
	)

Constructor creating a surface of specified pixel format and dimension with given source data.

This constructor can be used to create a surface effectively wrapping a given block of constant data without copying the source contents, using a given line pitch.

Parameters

pixelFormat	The pixel format.
pixelSizeX	The number of horizontal pixels.
pixelSizeY	The number of vertical pixels.
bytesPerLine	The line pitch in bytes.
sourceData	The constant data block to be wrapped.

Member Function Documentation

Clone() [1/3]

IVideoSurface* Murl::Util::VideoSurface::Clone ( IEnums::PixelFormat  pixelFormat ) const

overridevirtual

Implementation of IVideoSurface::Clone(IEnums::PixelFormat pixelFormat).

Parameters

pixelFormat

The pixel format of the new surface.

Returns

The new surface or null if conversion is not available.

Implements Murl::IVideoSurface.

Clone() [2/3]

IVideoSurface* Murl::Util::VideoSurface::Clone ( UInt32  pixelSizeX, UInt32  pixelSizeY, const IVideoScaler *  scaler = nullptr, Real  gamma = 1.0f  ) const

overridevirtual

Implementation of IVideoSurface::Clone(IEnums::PixelFormat pixelFormat, const IVideoScaler* scaler = 0).

Parameters

pixelSizeX	The number of horizontal pixels of the new surface.
pixelSizeY	The number of vertical pixels of the new surface.
scaler	Pointer to a scaler object or null to scale using the BoxVideoScaler.
gamma	The gamma value used during cloning.

Returns

The new surface or null if conversion is not available.

Implements Murl::IVideoSurface.

Clone() [3/3]

IVideoSurface* Murl::Util::VideoSurface::Clone ( IEnums::PixelFormat  pixelFormat, UInt32  pixelSizeX, UInt32  pixelSizeY, const IVideoScaler *  scaler = nullptr, Real  gamma = 1.0f  ) const

overridevirtual

Implementation of IVideoSurface::Clone(IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY, const IVideoScaler* scaler).

Parameters

pixelFormat	The pixel format of the new surface.
pixelSizeX	The number of horizontal pixels of the new surface.
pixelSizeY	The number of vertical pixels of the new surface.
scaler	Pointer to a scaler object or null to scale using the BoxVideoScaler.
gamma	The gamma value used during cloning.

Returns

The new surface or null if conversion is not available.

Implements Murl::IVideoSurface.

CloneRotated() [1/2]

IVideoSurface* Murl::Util::VideoSurface::CloneRotated ( IEnums::Orientation  orientation ) const

overridevirtual

Implementation of IVideoSurface::CloneRotated(IEnums::Orientation orientation).

Parameters

orientation

The orientation of the new surface.

Returns

The new surface or null if conversion is not available.

Implements Murl::IVideoSurface.

CloneRotated() [2/2]

IVideoSurface* Murl::Util::VideoSurface::CloneRotated ( IEnums::Orientation  orientation, IEnums::PixelFormat  pixelFormat  ) const

overridevirtual

Implementation of IVideoSurface::CloneRotated(IEnums::Orientation orientation, IEnums::PixelFormat pixelFormat).

Parameters

orientation	The orientation of the new surface.
pixelFormat	The pixel format of the new surface.

Returns

The new surface or null if conversion is not available.

Implements Murl::IVideoSurface.

CloneFrame()

IVideoSurface* Murl::Util::VideoSurface::CloneFrame ( SInt32  positionX, SInt32  positionY, UInt32  pixelSizeX, UInt32  pixelSizeY  ) const

overridevirtual

Implementation of IVideoSurface::CloneFrame().

Parameters

positionX	The source x-position of the region.
positionY	The source y-position of the region.
pixelSizeX	The number of horizontal pixels of the region.
pixelSizeY	The number of vertical pixels of the region.

Returns

The new surface with the specified region's size.

Implements Murl::IVideoSurface.

GetPixelSizeX()

UInt32 Murl::Util::VideoSurface::GetPixelSizeX ( ) const

overridevirtual

Implementation of IVideoSurface::GetPixelSizeX().

Returns

The number of horizontal pixels.

Implements Murl::IVideoSurface.

GetPixelSizeY()

UInt32 Murl::Util::VideoSurface::GetPixelSizeY ( ) const

overridevirtual

Implementation of IVideoSurface::GetPixelSizeY().

Returns

The number of vertical pixels.

Implements Murl::IVideoSurface.

GetBytesPerPixel()

UInt32 Murl::Util::VideoSurface::GetBytesPerPixel ( ) const

overridevirtual

Implementation of IVideoSurface::GetBytesPerPixel().

Returns

The number of bytes per pixel.

Implements Murl::IVideoSurface.

GetBytesPerLine()

UInt32 Murl::Util::VideoSurface::GetBytesPerLine ( ) const

overridevirtual

Implementation of IVideoSurface::GetBytesPerLine().

Returns

The number of bytes per line.

Implements Murl::IVideoSurface.

GetPixelFormat()

IEnums::PixelFormat Murl::Util::VideoSurface::GetPixelFormat ( ) const

overridevirtual

Implementation of IVideoSurface::GetPixelFormat().

Returns

The pixel format of the surface.

Implements Murl::IVideoSurface.

GetPixels()

const ConstData& Murl::Util::VideoSurface::GetPixels ( ) const

overridevirtual

Implementation of IVideoSurface::GetPixels().

Returns

The data object which is holding the pixels.

Implements Murl::IVideoSurface.

GetMutablePixels()

const MutableData& Murl::Util::VideoSurface::GetMutablePixels ( )

overridevirtual

Implementation of IVideoSurface::GetMutablePixels().

Returns

The mutable data object which is holding the pixels.

Implements Murl::IVideoSurface.

GetPixel()

Color Murl::Util::VideoSurface::GetPixel ( SInt32  positionX, SInt32  positionY  ) const

overridevirtual

Implementation of IVideoSurface::GetPixel().

Parameters

positionX	The pixel x-position.
positionY	The pixel y-position.

Returns

The color of the pixel at the specified position.

Implements Murl::IVideoSurface.

SetPixel()

Bool Murl::Util::VideoSurface::SetPixel ( SInt32  positionX, SInt32  positionY, const Color &  color  )

overridevirtual

Implementation of IVideoSurface::SetPixel().

Parameters

positionX	The pixel x-position.
positionY	The pixel y-position.
color	The color of the pixel to set.

Returns

true if successful.

Implements Murl::IVideoSurface.

FlipX()

Bool Murl::Util::VideoSurface::FlipX ( )

overridevirtual

Implementation of IVideoSurface::FlipX().

Returns

true if successful.

Implements Murl::IVideoSurface.

FlipY()

Bool Murl::Util::VideoSurface::FlipY ( )

overridevirtual

Implementation of IVideoSurface::FlipY().

Returns

true if successful.

Implements Murl::IVideoSurface.

Blit() [1/2]

Bool Murl::Util::VideoSurface::Blit ( const IVideoSurface *  source, SInt32  destPositionX, SInt32  destPositionY  )

overridevirtual

Implementation of IVideoSurface::Blit(const IVideoSurface* source, SInt32 destPositionX, SInt32 destPositionY).

Parameters

source	The source surface.
destPositionX	The destination x-position.
destPositionY	The destination y-position.

Returns

true if successful.

Implements Murl::IVideoSurface.

Blit() [2/2]

Bool Murl::Util::VideoSurface::Blit ( const IVideoSurface *  source, SInt32  sourcePositionX, SInt32  sourcePositionY, SInt32  destPositionX, SInt32  destPositionY, UInt32  pixelSizeX, UInt32  pixelSizeY  )

overridevirtual

Implementation of IVideoSurface::Blit(const IVideoSurface* source, SInt32 sourcePositionX, SInt32 sourcePositionY, SInt32 destPositionX, SInt32 destPositionY, UInt32 pixelSizeX, UInt32 pixelSizeY).

Parameters

source	The source surface.
sourcePositionX	The source x-position.
sourcePositionY	The source y-position.
destPositionX	The destination x-position.
destPositionY	The destination y-position.
pixelSizeX	The number of horizontal pixels to copy.
pixelSizeY	The number of vertical pixels to copy.

Returns

true if successful.

Implements Murl::IVideoSurface.

BlitScaled()

Bool Murl::Util::VideoSurface::BlitScaled ( const IVideoSurface *  source, const IVideoScaler *  scaler = nullptr, Real  gamma = 1.0f  )

overridevirtual

Implementation of IVideoSurface::BlitScaled().

Parameters

source	The source surface.
scaler	Pointer to a scaler object or null to scale using the BoxVideoScaler.
gamma	The gamma value used during scaling.

Returns

true if successful.

Implements Murl::IVideoSurface.

Clear() [1/2]

Bool Murl::Util::VideoSurface::Clear ( const Color &  clearColor )

overridevirtual

Implementation of IVideoSurface::Clear(const Color& clearColor).

Parameters

clearColor

The clear color to apply.

Returns

true if successful.

Implements Murl::IVideoSurface.

Clear() [2/2]

Bool Murl::Util::VideoSurface::Clear ( SInt32  positionX, SInt32  positionY, UInt32  pixelSizeX, UInt32  pixelSizeY, const Color &  clearColor  )

overridevirtual

Implementation of IVideoSurface::Clear(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color& clearColor).

Parameters

positionX	The source x-position of the region.
positionY	The source y-position of the region.
pixelSizeX	The number of horizontal pixels of the region.
pixelSizeY	The number of vertical pixels of the region.
clearColor	The clear color to apply.

Returns

true if successful.

Implements Murl::IVideoSurface.

GaussBlur() [1/2]

Bool Murl::Util::VideoSurface::GaussBlur ( Real  strength )

overridevirtual

Implementation of IVideoSurface::GaussBlur(Real strength).

Parameters

strength

The blur filter strength.

Returns

true if successful.

Implements Murl::IVideoSurface.

GaussBlur() [2/2]

Bool Murl::Util::VideoSurface::GaussBlur ( SInt32  positionX, SInt32  positionY, UInt32  pixelSizeX, UInt32  pixelSizeY, Real  strength  )

overridevirtual

Implementation of IVideoSurface::GaussBlur(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, Real strength).

Parameters

positionX	The x-position of the region.
positionY	The y-position of the region.
pixelSizeX	The number of horizontal pixels of the region.
pixelSizeY	The number of vertical pixels of the region.
strength	The blur filter strength.

Returns

true if successful.

Implements Murl::IVideoSurface.

Dither() [1/2]

Bool Murl::Util::VideoSurface::Dither ( UInt32  redBits, UInt32  greenBits, UInt32  blueBits, UInt32  alphaBits  )

overridevirtual

Implementation of IVideoSurface::Dither(UInt32 redBits, UInt32 greenBits, UInt32 blueBits, UInt32 alphaBits).

Parameters

redBits	The number of significant bits for the red component.
greenBits	The number of significant bits for the green component.
blueBits	The number of significant bits for the blue component.
alphaBits	The number of significant bits for the alpha component.

Returns

true if successful.

Implements Murl::IVideoSurface.

Dither() [2/2]

Bool Murl::Util::VideoSurface::Dither ( SInt32  positionX, SInt32  positionY, UInt32  pixelSizeX, UInt32  pixelSizeY, UInt32  redBits, UInt32  greenBits, UInt32  blueBits, UInt32  alphaBits  )

overridevirtual

Implementation of IVideoSurface::Dither(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, UInt32 redBits, UInt32 greenBits, UInt32 blueBits, UInt32 alphaBits).

Parameters

positionX	The x-position of the region.
positionY	The y-position of the region.
pixelSizeX	The number of horizontal pixels of the region.
pixelSizeY	The number of vertical pixels of the region.
redBits	The number of significant bits for the red component.
greenBits	The number of significant bits for the green component.
blueBits	The number of significant bits for the blue component.
alphaBits	The number of significant bits for the alpha component.

Returns

true if successful.

Implements Murl::IVideoSurface.

ApplyMatteFringe() [1/2]

Bool Murl::Util::VideoSurface::ApplyMatteFringe ( UInt32  matteFringe, Real  matteThreshold = 0  )

overridevirtual

Implementation of IVideoSurface::ApplyMatteFringe(const Color& matteColor, Real matteThreshold = 0).

Parameters

matteFringe	The matte fringe size to apply.
matteThreshold	The alpha threshold in range [0.0 .. 1.0].

Returns

true if successful.

Implements Murl::IVideoSurface.

ApplyMatteFringe() [2/2]

Bool Murl::Util::VideoSurface::ApplyMatteFringe ( SInt32  positionX, SInt32  positionY, UInt32  pixelSizeX, UInt32  pixelSizeY, UInt32  matteFringe, Real  matteThreshold = 0  )

overridevirtual

Implementation of IVideoSurface::ApplyMatteFringe(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color& matteColor, Real matteThreshold = 0).

Parameters

positionX	The source x-position of the region.
positionY	The source y-position of the region.
pixelSizeX	The number of horizontal pixels of the region.
pixelSizeY	The number of vertical pixels of the region.
matteFringe	The matte fringe size to apply.
matteThreshold	The alpha threshold in range [0.0 .. 1.0].

Returns

true if successful.

Implements Murl::IVideoSurface.

ApplyMatteColor() [1/2]

Bool Murl::Util::VideoSurface::ApplyMatteColor ( const Color &  matteColor, Real  matteThreshold = 0  )

overridevirtual

Implementation of IVideoSurface::ApplyMatteColor(const Color& matteColor, Real matteThreshold = 0).

Parameters

matteColor	The matte color to apply.
matteThreshold	The alpha threshold in range [0.0 .. 1.0].

Returns

true if successful.

Implements Murl::IVideoSurface.

ApplyMatteColor() [2/2]

Bool Murl::Util::VideoSurface::ApplyMatteColor ( SInt32  positionX, SInt32  positionY, UInt32  pixelSizeX, UInt32  pixelSizeY, const Color &  matteColor, Real  matteThreshold = 0  )

overridevirtual

Implementation of IVideoSurface::ApplyMatteColor(SInt32 positionX, SInt32 positionY, UInt32 pixelSizeX, UInt32 pixelSizeY, const Color& matteColor, Real matteThreshold = 0).

Parameters

positionX	The source x-position of the region.
positionY	The source y-position of the region.
pixelSizeX	The number of horizontal pixels of the region.
pixelSizeY	The number of vertical pixels of the region.
matteColor	The matte color to apply.
matteThreshold	The alpha threshold in range [0.0 .. 1.0].

Returns

true if successful.

Implements Murl::IVideoSurface.

RenderText()

Bool Murl::Util::VideoSurface::RenderText ( const IFont *  font, const String &  text, const Color &  textColor, const Color &  backgroundColor, Bool  clearSurface, Bool  enableWordWrap, Real  containerPosX, Real  containerPosY, Real  containerSizeX, Real  containerSizeY, IEnums::TextAlignmentX  alignX, IEnums::TextAlignmentY  alignY  )

overridevirtual

Implementation of IVideoSurface::RenderText().

Parameters

font	The font used for rendering.
text	The text to render.
textColor	The text color to render.
backgroundColor	The text background color to render.
clearSurface	If true, the output surface is cleared before rendering.
enableWordWrap	If true, word wrapping is enabled.
containerPosX	The horizontal text position in the video stream.
containerPosY	The vertical text position in the video stream.
containerSizeX	The horizontal size of the text rectangle, or 0 if the video stream's X size should be used
containerSizeY	The vertical size of the text rectangle, or 0 if the video stream's Y size should be used
alignX	The horizontal text alignment.
alignY	The vertical text alignment.

Returns

true if successful.

Implements Murl::IVideoSurface.

IsColumnEmpty()

Bool Murl::Util::VideoSurface::IsColumnEmpty ( UInt32  column, Real  threshold  ) const

overridevirtual

Implementation of IVideoSurface::IsColumnEmpty().

Parameters

column	The zero-based column.
threshold	The alpha threshold in range [0.0 .. 1.0].

Returns

true if all alpha values in the column are less or equal to the threshold.

Implements Murl::IVideoSurface.

IsRowEmpty()

Bool Murl::Util::VideoSurface::IsRowEmpty ( UInt32  row, Real  threshold  ) const

overridevirtual

Implementation of IVideoSurface::IsRowEmpty().

Parameters

row	The zero-based row.
threshold	The alpha threshold in range [0.0 .. 1.0].

Returns

true if all alpha values in the row are less or equal to the threshold.

Implements Murl::IVideoSurface.

ClipSizeXRight()

SInt32 Murl::Util::VideoSurface::ClipSizeXRight ( SInt32  positionX, SInt32  sizeX  ) const

overridevirtual

Implementation of IVideoSurface::ClipSizeXRight().

Parameters

positionX	The x-position.
sizeX	The number of horzontal pixels.

Returns

The clipped width.

Implements Murl::IVideoSurface.

ClipSizeYBottom()

SInt32 Murl::Util::VideoSurface::ClipSizeYBottom ( SInt32  positionY, SInt32  sizeY  ) const

overridevirtual

Implementation of IVideoSurface::ClipSizeYBottom().

Parameters

positionY	The y-position.
sizeY	The number of vertical pixels.

Returns

The clipped height.

Implements Murl::IVideoSurface.

Evict()

Bool Murl::Util::VideoSurface::Evict ( )

overridevirtual

Implementation of IVideoSurface::Evict().

Returns

true if successful.

Implements Murl::IVideoSurface.

Restore()

Bool Murl::Util::VideoSurface::Restore ( )

overridevirtual

Implementation of IVideoSurface::Restore().

Returns

true if successful.

Implements Murl::IVideoSurface.

CollectObjectStatistics()

void Murl::Util::VideoSurface::CollectObjectStatistics ( IObjectStatistics *  stat ) const

override

Implementation of IStatisticsObject::CollectObjectStatistics().

Parameters

stat	The object statistics container.

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

• murl_util_video_surface.h