Luminous::CompressedImage Class Reference

A compressed image. Currently supports DXT format. More...

#include <Luminous/Image.hpp>

Public Member Functions
void	clear ()
	Clears the image data and release any allocated memory.
PixelFormat::Compression	compression () const
	Returns the compression used.
void *	data () const
	Returns a pointer to the raw image data.
int	datasize () const
	Returns the size of the image data in bytes. More...
int	height () const
	Returns the height of the image.
bool	loadImage (QFile &file, const ImageInfo &info, int size)
	Loads image data from the given file handle. More...
bool	read (const QString &filename, int level=0)
	Reads an image from a file. More...
float	readAlpha (Nimble::Vector2i pos) const
	Returns the alpha in the given pixel position.
int	width () const
	Returns the widget of the image.

Protected Attributes
PixelFormat::Compression	m_compression
	Used compression.
Nimble::Vector2i	m_size
	Size of the image in pixels.

Detailed Description

A compressed image. Currently supports DXT format.

Member Function Documentation

int Luminous::CompressedImage::datasize

(

)

const

Returns the size of the image data in bytes.

Returns

image data size in bytes

bool Luminous::CompressedImage::loadImage	(	QFile &	file,
		const ImageInfo &	info,
		int	size
	)

Loads image data from the given file handle.

Parameters

file	file to read from
info	image info
size	bytes to read

Returns

true if the reading succeeded, false otherwise

bool Luminous::CompressedImage::read	(	const QString &	filename,
		int	level = 0
	)

Reads an image from a file.

Parameters

filename	filename to load
level	mipmap level to load

Returns

true if succeed, false on error