Gosu::Bitmap Class Reference

Rectangular area of pixels, each represented by a Color value. More...

List of all members.

Public Member Functions
	Bitmap ()
unsigned	width () const
unsigned	height () const
void	swap (Bitmap &other)
void	resize (unsigned width, unsigned height, Color c=Color::NONE)
void	fill (Color c)
void	replace (Color oldColor, Color newColor)
Color	getPixel (unsigned x, unsigned y) const
	Returns the color at the specified position.
void	setPixel (unsigned x, unsigned y, Color c)
	Sets the pixel at the specified position to a color.
void	insert (const Bitmap &source, int x, int y)
	Inserts a bitmap at the given position.
void	insert (const Bitmap &source, int x, int y, unsigned srcX, unsigned srcY, unsigned srcWidth, unsigned srcHeight)
	Inserts a portion of a bitmap at the given position.
const unsigned *	data () const
	Direct access to the array of color values.
unsigned *	data ()

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Detailed Description

Rectangular area of pixels, each represented by a Color value.

Provides minimal drawing functionality and serves as a temporary holder for graphical resources which are usually turned into Images later. Has (expensive) value semantics.

Definition at line 20 of file Bitmap.hpp.

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Constructor & Destructor Documentation

Gosu::Bitmap::Bitmap

(

)

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Member Function Documentation

unsigned* Gosu::Bitmap::data

(

)

Definition at line 60 of file Bitmap.hpp.

const unsigned* Gosu::Bitmap::data

(

)

const

Direct access to the array of color values.

May be useful for optimized OpenGL operations.

Definition at line 59 of file Bitmap.hpp.

void Gosu::Bitmap::fill

(

Color

c

)

Color Gosu::Bitmap::getPixel	(	unsigned	x,
		unsigned	y
	)			const

Returns the color at the specified position.

x and y must be on the bitmap.

Definition at line 40 of file Bitmap.hpp.

unsigned Gosu::Bitmap::height

(

)

const

Definition at line 29 of file Bitmap.hpp.

Referenced by Gosu::imagesFromTiledBitmap().

void Gosu::Bitmap::insert	(	const Bitmap &	source,
		int	x,
		int	y,
		unsigned	srcX,
		unsigned	srcY,
		unsigned	srcWidth,
		unsigned	srcHeight
	)

Inserts a portion of a bitmap at the given position.

Parts of the inserted bitmap that would be outside of the target bitmap will be clipped away.

void Gosu::Bitmap::insert	(	const Bitmap &	source,
		int	x,
		int	y
	)

Inserts a bitmap at the given position.

Parts of the inserted bitmap that would be outside of the target bitmap will be clipped away.

void Gosu::Bitmap::replace	(	Color	oldColor,
		Color	newColor
	)

void Gosu::Bitmap::resize	(	unsigned	width,
		unsigned	height,
		Color	c = Color::NONE
	)

void Gosu::Bitmap::setPixel	(	unsigned	x,
		unsigned	y,
		Color	c
	)

Sets the pixel at the specified position to a color.

x and y must be on the bitmap.

Definition at line 44 of file Bitmap.hpp.

void Gosu::Bitmap::swap

(

Bitmap &

other

)

unsigned Gosu::Bitmap::width

(

)

const

Definition at line 28 of file Bitmap.hpp.

Referenced by Gosu::imagesFromTiledBitmap().

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

• Bitmap.hpp