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

#include "murl_util_evictable_video_surface.h"

Inheritance diagram for Murl::Util::EvictableVideoSurface:

Public Member Functions
	EvictableVideoSurface (UInt32 pixelSizeX, UInt32 pixelSizeY)
	Constructor creating a surface of specified dimension. More...

	EvictableVideoSurface (IEnums::PixelFormat pixelFormat, UInt32 pixelSizeX, UInt32 pixelSizeY)
	Constructor creating a surface of specified pixel format and dimension. More...

	~EvictableVideoSurface () override
	The destructor.

const MutableData &	GetMutablePixels () override
	Implementation of IVideoSurface::GetMutablePixels(). More...

Bool	Evict () override
	Implementation of IVideoSurface::Evict(). More...

Bool	Restore () override
	Implementation of IVideoSurface::Restore(). More...

Bool	FlipX () override
	Implementation of IVideoSurface::FlipX(). More...

Bool	FlipY () override
	Implementation of IVideoSurface::FlipY(). 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 (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 (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 (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 (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, UInt32 matteFringe, 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...

Public Member Functions inherited from Murl::Util::VideoSurface
	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.

Public Member Functions inherited from Murl::NonCopyable
	NonCopyable ()=default
	The default constructor.

Additional Inherited Members
Protected Attributes inherited from Murl::Util::VideoSurface
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.

Detailed Description

The evictable video surface class, see IVideoSurface.

Constructor & Destructor Documentation

◆ EvictableVideoSurface() [1/2]

Murl::Util::EvictableVideoSurface::EvictableVideoSurface	(	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.

◆ EvictableVideoSurface() [2/2]

Murl::Util::EvictableVideoSurface::EvictableVideoSurface	(	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.

Member Function Documentation

◆ GetMutablePixels()

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

overridevirtual

Implementation of IVideoSurface::GetMutablePixels().

Returns: The mutable data object which is holding the pixels.

Implements Murl::IVideoSurface.

◆ Evict()

Bool Murl::Util::EvictableVideoSurface::Evict ( )

overridevirtual

Implementation of IVideoSurface::Evict().

Returns: true if successful.

Implements Murl::IVideoSurface.

◆ Restore()

Bool Murl::Util::EvictableVideoSurface::Restore ( )

overridevirtual

Implementation of IVideoSurface::Restore().

Returns: true if successful.

Implements Murl::IVideoSurface.

◆ FlipX()

Bool Murl::Util::EvictableVideoSurface::FlipX ( )

overridevirtual

Implementation of IVideoSurface::FlipX().

Returns: true if successful.

Implements Murl::IVideoSurface.

◆ FlipY()

Bool Murl::Util::EvictableVideoSurface::FlipY ( )

overridevirtual

Implementation of IVideoSurface::FlipY().

Returns: true if successful.

Implements Murl::IVideoSurface.

◆ Blit()

Bool Murl::Util::EvictableVideoSurface::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::EvictableVideoSurface::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()

Bool Murl::Util::EvictableVideoSurface::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()

Bool Murl::Util::EvictableVideoSurface::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()

Bool Murl::Util::EvictableVideoSurface::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()

Bool Murl::Util::EvictableVideoSurface::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, UInt32 matteFringe, 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()

Bool Murl::Util::EvictableVideoSurface::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::EvictableVideoSurface::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.

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

murl_util_evictable_video_surface.h

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ EvictableVideoSurface() [1/2]

◆ EvictableVideoSurface() [2/2]

Member Function Documentation

◆ GetMutablePixels()

◆ Evict()

◆ Restore()

◆ FlipX()

◆ FlipY()

◆ Blit()

◆ BlitScaled()

◆ Clear()

◆ GaussBlur()

◆ Dither()

◆ ApplyMatteFringe()

◆ ApplyMatteColor()

◆ RenderText()