ImageBase Class Reference

#include <ImageBase.hpp>

Inheritance diagram for ImageBase:

Public Member Functions
virtual	~ImageBase ()
bool	isValid () const noexcept
bool	isInvalid () const noexcept
uint	getWidth () const noexcept
uint	getHeight () const noexcept
const Size< uint > &	getSize () const noexcept
const char *	getRawData () const noexcept
ImageFormat	getFormat () const noexcept
void	loadFromMemory (const char *rawData, uint width, uint height, ImageFormat format=kImageFormatBGRA) noexcept
virtual void	loadFromMemory (const char *rawData, const Size< uint > &size, ImageFormat format=kImageFormatBGRA) noexcept
void	draw (const GraphicsContext &context)
void	drawAt (const GraphicsContext &context, int x, int y)
virtual void	drawAt (const GraphicsContext &context, const Point< int > &pos)=0
ImageBase &	operator= (const ImageBase &image) noexcept
bool	operator== (const ImageBase &image) const noexcept
bool	operator!= (const ImageBase &image) const noexcept

Protected Member Functions
	ImageBase ()
	ImageBase (const char *rawData, uint width, uint height, ImageFormat format)
	ImageBase (const char *rawData, const Size< uint > &size, ImageFormat format)
	ImageBase (const ImageBase &image)

Protected Attributes
const char *	rawData
Size< uint >	size
ImageFormat	format

Detailed Description

Base DGL Image class.

This is an Image class that handles raw image data in pixels. It is an abstract class that provides the common methods to build on top. Cairo and OpenGL Image classes are based upon this one.

See also

CairoImage, OpenGLImage

Constructor & Destructor Documentation

ImageBase() [1/4]

ImageBase::ImageBase ( )

protected

Constructor for a null Image.

ImageBase() [2/4]

ImageBase::ImageBase ( const char * rawData, uint width, uint height, ImageFormat format )

protected

Constructor using raw image data.

Note

rawData must remain valid for the lifetime of this Image.

ImageBase() [3/4]

ImageBase::ImageBase ( const char * rawData, const Size< uint > & size, ImageFormat format )

protected

Constructor using raw image data.

Note

rawData must remain valid for the lifetime of this Image.

ImageBase() [4/4]

ImageBase::ImageBase ( const ImageBase & image )

protected

Constructor using another image data.

~ImageBase()

virtual ImageBase::~ImageBase ( )

virtual

Destructor.

Member Function Documentation

isValid()

bool ImageBase::isValid ( ) const

noexcept

Check if this image is valid.

isInvalid()

bool ImageBase::isInvalid ( ) const

noexcept

Check if this image is not valid.

getWidth()

uint ImageBase::getWidth ( ) const

noexcept

Get width.

getHeight()

uint ImageBase::getHeight ( ) const

noexcept

Get height.

getSize()

const Size< uint > & ImageBase::getSize ( ) const

noexcept

Get size.

getRawData()

const char * ImageBase::getRawData ( ) const

noexcept

Get the raw image data.

getFormat()

ImageFormat ImageBase::getFormat ( ) const

noexcept

Get the image format.

loadFromMemory() [1/2]

void ImageBase::loadFromMemory ( const char * rawData, uint width, uint height, ImageFormat format = kImageFormatBGRA )

noexcept

Load image data from memory.

Note

rawData must remain valid for the lifetime of this Image.

loadFromMemory() [2/2]

virtual void ImageBase::loadFromMemory ( const char * rawData, const Size< uint > & size, ImageFormat format = kImageFormatBGRA )

virtualnoexcept

Load image data from memory.

Note

rawData must remain valid for the lifetime of this Image.

Reimplemented in CairoImage, OpenGLImage, and VulkanImage.

draw()

void ImageBase::draw

(

const GraphicsContext &

context

)

Draw this image at (0, 0) point using the current OpenGL context.

drawAt() [1/2]

void ImageBase::drawAt	(	const GraphicsContext &	context,
		int	x,
		int	y )

Draw this image at (x, y) point using the current OpenGL context.

drawAt() [2/2]

virtual void ImageBase::drawAt ( const GraphicsContext & context, const Point< int > & pos )

pure virtual

Draw this image at position pos using the current OpenGL context.

Implemented in CairoImage, OpenGLImage, and VulkanImage.

operator=()

ImageBase & ImageBase::operator= ( const ImageBase & image )

noexcept

TODO document this.

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

• dgl/ImageBase.hpp