BlockGenerator Class Reference

Spiraling block generator. More...

#include <block.h>

List of all members.

Public Member Functions
	BlockGenerator (const Vector2i &size, int blockSize)
	Create a block generator with.
bool	next (ImageBlock &block)
	Return the next block to be rendered.
Protected Types
enum	EDirection { ERight = 0, EDown, ELeft, EUp }
Protected Attributes
Point2i	m_block
Vector2i	m_numBlocks
Vector2i	m_size
int	m_blockSize
int	m_numSteps
int	m_blocksLeft
int	m_stepsLeft
int	m_direction
QMutex	m_mutex
QElapsedTimer	m_timer

---

Detailed Description

Spiraling block generator.

This class can be used to chop up an image into many small rectangular blocks suitable for parallel rendering. The blocks are ordered in spiraling pattern so that the center is rendered first.

Definition at line 128 of file block.h.

---

Member Enumeration Documentation

enum BlockGenerator::EDirection [protected]

Enumerator:

ERight
EDown
ELeft
EUp

Definition at line 148 of file block.h.

---

Constructor & Destructor Documentation

BlockGenerator::BlockGenerator	(	const Vector2i &	size,
		int	blockSize
	)

Create a block generator with.

Parameters:

size	Size of the image that should be split into blocks
blockSize	Maximum size of the individual blocks

---

Member Function Documentation

bool BlockGenerator::next

(

ImageBlock &

block

)

Return the next block to be rendered.

This function is thread-safe

Returns:

false if there were no more blocks

---

Member Data Documentation

Point2i BlockGenerator::m_block [protected]

Definition at line 150 of file block.h.

int BlockGenerator::m_blockSize [protected]

Definition at line 153 of file block.h.

int BlockGenerator::m_blocksLeft [protected]

Definition at line 155 of file block.h.

int BlockGenerator::m_direction [protected]

Definition at line 157 of file block.h.

QMutex BlockGenerator::m_mutex [protected]

Definition at line 158 of file block.h.

Vector2i BlockGenerator::m_numBlocks [protected]

Definition at line 151 of file block.h.

int BlockGenerator::m_numSteps [protected]

Definition at line 154 of file block.h.

Vector2i BlockGenerator::m_size [protected]

Definition at line 152 of file block.h.

int BlockGenerator::m_stepsLeft [protected]

Definition at line 156 of file block.h.

QElapsedTimer BlockGenerator::m_timer [protected]

Definition at line 159 of file block.h.

---

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

• include/nori/block.h