dirac_instr::DrawMotionArrows Class Reference

Class to carry out the overlay of motion vectors represented by arrows.

#include <motion_arrows.h>

Inheritance diagram for dirac_instr::DrawMotionArrows:

Public Member Functions
	DrawMotionArrows (Picture &, DrawPictureMotionParams &, const MvArray &, int)
	Constructor.
	~DrawMotionArrows ()
	Destructor.
void	DrawBlock (int, int)
	Manages drawing of motion vector arrows.
void	DrawLegend ()
	Does nothing, no legend for overlay.
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.

Protected Member Functions
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
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

DrawMotionArrows()

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

~DrawMotionArrows()

dirac_instr::DrawMotionArrows::~DrawMotionArrows

(

)

Member Function Documentation

DrawArrow()

void dirac_instr::DrawMotionArrows::DrawArrow ( int , int , int , int  )

protected

DrawBlock()

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

virtual

Implements dirac_instr::DrawOverlay.

Reimplemented in dirac_instr::DrawMotionColourArrows.

DrawLegend()

void dirac_instr::DrawMotionArrows::DrawLegend ( )

virtual

Implements dirac_instr::DrawOverlay.

Reimplemented in dirac_instr::DrawMotionColourArrows.

Member Data Documentation

m_blocks_per_arrow_x

int dirac_instr::DrawMotionArrows::m_blocks_per_arrow_x

protected

m_blocks_per_arrow_y

int dirac_instr::DrawMotionArrows::m_blocks_per_arrow_y

protected

m_mv

const MvArray& dirac_instr::DrawMotionArrows::m_mv

protected

m_mv_scale

int dirac_instr::DrawMotionArrows::m_mv_scale

protected

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

• motion_arrows.h