Class to carry out overlay of motion vectors as coloured arrows.

Inheritance diagram for dirac_instr::DrawMotionColourArrows:

Public Member Functions
	DrawMotionColourArrows (Picture &, DrawPictureMotionParams &, const MvArray &, int, int)
	Constructor.

	~DrawMotionColourArrows ()
	Destructor.

void	DrawBlock (int, int)
	Calls DrawMotionArrows::DrawArrow() then colours blocks.

void	DrawLegend ()
	Draws power bar legend representing motion vector size.

Public Member Functions inherited from dirac_instr::DrawMotionArrows
	DrawMotionArrows (Picture &, DrawPictureMotionParams &, const MvArray &, int)
	Constructor.

	~DrawMotionArrows ()
	Destructor.

Public Member Functions inherited from dirac_instr::DrawOverlay
	DrawOverlay (Picture &, DrawPictureMotionParams &)
	Constructor.

virtual	~DrawOverlay ()
	Destructor.

void	DrawReferenceNumbers (int, int)
	Draws picture numbers for both references.

void	DrawReferenceNumber (int, int)
	Draws picture number for chosen reference.

void	DrawPictureNumber (int)
	Draws current picture number.

void	DrawCharacter (const PicArray &, int, int)
	Draws a character / number / symbol.

const OverlaySymbols &	Symbols () const
	Returns reference to symbols object.

Private Attributes
int	m_mv_clip
	Clip value for maximum motion vector size.

Additional Inherited Members
Protected Member Functions inherited from dirac_instr::DrawMotionArrows
void	DrawArrow (int, int, int, int)
	Draws a single 16 x 16 pixel arrow.

Protected Member Functions inherited from dirac_instr::DrawOverlay
void	GetPowerUV (int, int &, int &)
	Calculates U and V for particular value normalised to 1000.

void	DrawPowerBar (int, int)
	Draws power bar legend with given limits.

void	DrawValue (int, int, int)
	Draws value.

void	DrawMvBlockUV (int, int, int, int)
	Colours motion vector block referenced by motion vector.

void	DrawBlockUV (int, int, int, int)
	Colours an 8x8 block referenced by TL chroma pixel.

Protected Attributes inherited from dirac_instr::DrawMotionArrows
int	m_mv_scale
	Temporal motion vector scaling.

int	m_blocks_per_arrow_y
	Number of blocks per arrow.

int	m_blocks_per_arrow_x

const MvArray &	m_mv
	Reference to motion vector data for particular reference.

Protected Attributes inherited from dirac_instr::DrawOverlay
Picture &	m_picture
	Picture data.

DrawPictureMotionParams &	m_draw_params
	Block parameters and chroma scaling.

OverlaySymbols	m_symbols
	Symbols.

Constructor & Destructor Documentation

◆ DrawMotionColourArrows()

dirac_instr::DrawMotionColourArrows::DrawMotionColourArrows	(	Picture &	,
		DrawPictureMotionParams &	,
		const MvArray &	,
		int	,
		int	)

dirac_instr::DrawMotionColourArrows::~DrawMotionColourArrows ( )

void dirac_instr::DrawMotionColourArrows::DrawBlock	(	int	,
		int	)

virtual

void dirac_instr::DrawMotionColourArrows::DrawLegend ( )

virtual

int dirac_instr::DrawMotionColourArrows::m_mv_clip

private

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