Bitmap Class Reference

Rudimentary header-only 2D bitmap class. More...

#include <bitmap.h>

Collaboration diagram for Bitmap:

Public Member Functions
	Bitmap ()
	Create an empty bitmap.
	Bitmap (u32 width, u32 height)
	Create a new zero-filled bitmap.
u32	width () const
u32	height () const
void	resize (u32 width, u32 height, bool initial_value=false)
void	reset (bool value)
bool	get (u32 x, u32 y) const
void	set (u32 x, u32 y)
void	unset (u32 x, u32 y)
bool	toggle (u32 x, u32 y)
bool	all () const
	Returns true if all bits in the bitmap are set.

Private Member Functions
template<bool set, bool toggle, bool clear>
bool	modify_ (u32 x, u32 y)

Static Private Member Functions
static u32	bytepos (u32 index)
static u8	bitpos (u32 index)

Private Attributes
u32	linesize
u32	lines
std::vector< u8 >	data

Detailed Description

Rudimentary header-only 2D bitmap class.

Warning

not thread-safe

Constructor & Destructor Documentation

Bitmap() [1/2]

Bitmap::Bitmap ( )

inline

Create an empty bitmap.

Bitmap() [2/2]

Bitmap::Bitmap ( u32 width, u32 height )

inline

Create a new zero-filled bitmap.

References height(), resize(), and width().

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Member Function Documentation

all()

bool Bitmap::all ( ) const

inline

Returns true if all bits in the bitmap are set.

References bitpos(), data, lines, and linesize.

Referenced by imageCleanTransparentWithInlining().

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bitpos()

static u8 Bitmap::bitpos ( u32 index )

inlinestaticprivate

Referenced by all(), get(), and modify_().

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bytepos()

static u32 Bitmap::bytepos ( u32 index )

inlinestaticprivate

Referenced by get(), modify_(), and resize().

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get()

bool Bitmap::get ( u32 x, u32 y ) const

inline

References bitpos(), bytepos(), data, linesize, x, and y.

Referenced by imageCleanTransparentWithInlining().

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height()

u32 Bitmap::height ( ) const

inline

References lines.

Referenced by Bitmap(), and resize().

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modify_()

template<bool set, bool toggle, bool clear>

bool Bitmap::modify_ ( u32 x, u32 y )

inlineprivate

References bitpos(), bytepos(), data, linesize, set(), toggle(), x, and y.

Referenced by set(), toggle(), and unset().

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reset()

void Bitmap::reset ( bool value )

inline

References data.

resize()

void Bitmap::resize ( u32 width, u32 height, bool initial_value = false )

inline

References bytepos(), data, height(), lines, linesize, and width().

Referenced by Bitmap().

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set()

void Bitmap::set ( u32 x, u32 y )

inline

References modify_(), x, and y.

Referenced by imageCleanTransparentWithInlining(), and modify_().

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toggle()

bool Bitmap::toggle ( u32 x, u32 y )

inline

References modify_(), x, and y.

Referenced by modify_().

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unset()

void Bitmap::unset ( u32 x, u32 y )

inline

References modify_(), x, and y.

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width()

u32 Bitmap::width ( ) const

inline

References linesize.

Referenced by Bitmap(), and resize().

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Member Data Documentation

data

std::vector<u8> Bitmap::data

private

Referenced by all(), get(), modify_(), reset(), and resize().

lines

u32 Bitmap::lines

private

Referenced by all(), height(), and resize().

linesize

u32 Bitmap::linesize

private

Referenced by all(), get(), modify_(), resize(), and width().

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

• util/bitmap.h