Public Member Functions
	image1d (uint32_t wid, GLenum fmt, GLenum ty)

	image1d (std::string const &file)

GLsizei	width () const
	return the width of the image More...

void	texImage (GLuint texId)

bool	write (const char *file)

Public Member Functions inherited from cs237::__detail::image_base
unsigned int	nDims () const
	the number of dimensions (1, 2, or 3) More...

unsigned int	format () const

unsigned int	type () const

void *	data () const
	the data pointer More...

size_t	nBytes () const
	the total number of bytes of image data More...

unsigned int	nChannels () const
	the number of channels (1, 2, 3, or 4) More...

Additional Inherited Members
Protected Member Functions inherited from cs237::__detail::image_base
	image_base ()

	image_base (uint32_t nd)

	image_base (uint32_t nd, GLenum fmt, GLenum ty, size_t nPixels)

virtual	~image_base ()

Protected Attributes inherited from cs237::__detail::image_base
uint32_t	_nDims
	the number of dimensions (1 or 2) More...

GLenum	_format

GLenum	_type

size_t	_nBytes
	size in bytes of image data More...

void *	_data
	the raw image data More...

Constructor & Destructor Documentation

create and allocate space for an uninitialized image

Parameters

wid	the width of the image
fmt	the image format, which should be one of GL_RED, GL_RG, GL_RGB, GL_BGR GL_RGBA, or GL_BGRA.
ty	the type of the elements, which should be one of GL_UNSIGNED_BYTE GL_UNSIGNED_BYTE, GL_BYTE, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, or GL_UNSIGNED_INT_2_10_10_10_REV

cs237::image1d::image1d ( std::string const & file )

create and initialize an image from a PNG file.

Parameters

file	the name of the PNG file

Member Function Documentation

void cs237::image1d::texImage ( GLuint texId )

Load the image into a 1D GL texture; this function also binds the current texture to texId

Parameters

[in] texId the GL texture ID for this image

GLsizei cs237::image1d::width ( ) const

inline

return the width of the image

bool cs237::image1d::write ( const char * file )

write the texture to a file in PNG format

Parameters

file	the name of the PNG file

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