grk::SparseCanvas< T, LBW, LBH > Class Template Reference

#include <SparseCanvas.h>

Inheritance diagram for grk::SparseCanvas< T, LBW, LBH >:

Public Member Functions
	SparseCanvas (Rect32 bds)
	SparseCanvas (uint32_t width, uint32_t height)
	~SparseCanvas ()
bool	read (uint8_t resno, Rect32 window, T *dest, const uint32_t destChunkY, const uint32_t destChunkX)
	Read window of data into dest buffer.
bool	write (uint8_t resno, Rect32 window, const T *src, const uint32_t srcChunkY, const uint32_t srcChunkX)
	Write window of data from src buffer.
bool	alloc (Rect32 win, bool zeroOutBuffer)
Public Member Functions inherited from grk::ISparseCanvas< T >
virtual	~ISparseCanvas ()=default

Private Member Functions
SparseBlock< T > *	getBlock (uint32_t block_x, uint32_t block_y)
bool	isWindowValid (Rect32 win)
bool	readWrite (uint8_t resno, Rect32 win, T *buf, const uint32_t spacingX, const uint32_t spacingY, bool isReadOperation)

Private Attributes
const uint32_t	blockWidth
const uint32_t	blockHeight
std::unordered_map< uint64_t, SparseBlock< T > * >	blocks
Rect32	bounds
Rect32	grid

Constructor & Destructor Documentation

SparseCanvas() [1/2]

template<typename T, uint32_t LBW, uint32_t LBH>

grk::SparseCanvas< T, LBW, LBH >::SparseCanvas ( Rect32 bds )

inline

References blockHeight, blockWidth, bounds, and grid.

Referenced by SparseCanvas().

SparseCanvas() [2/2]

template<typename T, uint32_t LBW, uint32_t LBH>

grk::SparseCanvas< T, LBW, LBH >::SparseCanvas ( uint32_t width, uint32_t height )

inline

References SparseCanvas().

~SparseCanvas()

template<typename T, uint32_t LBW, uint32_t LBH>

grk::SparseCanvas< T, LBW, LBH >::~SparseCanvas ( )

inline

References blocks.

Member Function Documentation

alloc()

template<typename T, uint32_t LBW, uint32_t LBH>

bool grk::SparseCanvas< T, LBW, LBH >::alloc ( Rect32 win, bool zeroOutBuffer )

inlinevirtual

Implements grk::ISparseCanvas< T >.

References blockHeight, blocks, blockWidth, grid, grk::grklog, isWindowValid(), grk::Rect< T >::x0, grk::Rect< T >::x1, grk::Rect< T >::y0, and grk::Rect< T >::y1.

getBlock()

template<typename T, uint32_t LBW, uint32_t LBH>

SparseBlock< T > * grk::SparseCanvas< T, LBW, LBH >::getBlock ( uint32_t block_x, uint32_t block_y )

inlineprivate

References blocks, and grid.

Referenced by readWrite().

isWindowValid()

template<typename T, uint32_t LBW, uint32_t LBH>

bool grk::SparseCanvas< T, LBW, LBH >::isWindowValid ( Rect32 win )

inlineprivate

References bounds, grk::Rect< T >::x0, grk::Rect< T >::x1, grk::Rect< T >::y0, and grk::Rect< T >::y1.

Referenced by alloc(), and readWrite().

read()

template<typename T, uint32_t LBW, uint32_t LBH>

bool grk::SparseCanvas< T, LBW, LBH >::read ( uint8_t resno, Rect32 window, T * dest, const uint32_t destChunkY, const uint32_t destChunkX )

inlinevirtual

Read window of data into dest buffer.

Implements grk::ISparseCanvas< T >.

References readWrite().

readWrite()

template<typename T, uint32_t LBW, uint32_t LBH>

bool grk::SparseCanvas< T, LBW, LBH >::readWrite ( uint8_t resno, Rect32 win, T * buf, const uint32_t spacingX, const uint32_t spacingY, bool isReadOperation )

inlineprivate

References blockHeight, blockWidth, bounds, getBlock(), grid, grk::grklog, grk::Rect< T >::height(), isWindowValid(), grk::Rect< T >::valid(), grk::Rect< T >::x0, grk::Rect< T >::x1, grk::Rect< T >::y0, and grk::Rect< T >::y1.

Referenced by read(), and write().

write()

template<typename T, uint32_t LBW, uint32_t LBH>

bool grk::SparseCanvas< T, LBW, LBH >::write ( uint8_t resno, Rect32 window, const T * src, const uint32_t srcChunkY, const uint32_t srcChunkX )

inlinevirtual

Write window of data from src buffer.

Implements grk::ISparseCanvas< T >.

References readWrite().

Member Data Documentation

blockHeight

template<typename T, uint32_t LBW, uint32_t LBH>

const uint32_t grk::SparseCanvas< T, LBW, LBH >::blockHeight

private

Referenced by alloc(), readWrite(), and SparseCanvas().

blocks

template<typename T, uint32_t LBW, uint32_t LBH>

std::unordered_map<uint64_t, SparseBlock<T>*> grk::SparseCanvas< T, LBW, LBH >::blocks

private

Referenced by alloc(), getBlock(), and ~SparseCanvas().

blockWidth

template<typename T, uint32_t LBW, uint32_t LBH>

const uint32_t grk::SparseCanvas< T, LBW, LBH >::blockWidth

private

Referenced by alloc(), readWrite(), and SparseCanvas().

bounds

template<typename T, uint32_t LBW, uint32_t LBH>

Rect32 grk::SparseCanvas< T, LBW, LBH >::bounds

private

Referenced by isWindowValid(), readWrite(), and SparseCanvas().

grid

template<typename T, uint32_t LBW, uint32_t LBH>

Rect32 grk::SparseCanvas< T, LBW, LBH >::grid

private

Referenced by alloc(), getBlock(), readWrite(), and SparseCanvas().

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

• SparseCanvas.h