opentl::core::cvdata::TextureGpu Class Reference

Class for storing GPU texture related management information. More...

Inherits opentl::core::cvdata::TimedData.

List of all members.

Public Member Functions
virtual TextureGpu *	clone () const
	Creates a new TextureGpu class instance.
virtual void	copyToImage (opentl::core::cvdata::Image &img, int &upperLeftX, int &upperLeftY, int &width, int &height) const
	Copy texture to image in a sub-region.
virtual void	copyToImage (opentl::core::cvdata::Image &img) const
	Copy texture to image.
GLenum	getTexChanSeq () const
	Return texture channel sequence (e.g. GL_RGB).
GLenum	getTexDataType () const
	Return texture data type (e.g. GL_UNSIGNED_BYTE).
GLuint	getTexId () const
	Return GL context specific texture Id.
GLenum	getTexInternalDataType () const
	Return texture internal data type (e.g. GL_RGBA32F_ARB).
GLenum	getTexTargetType () const
	Return texture target type (e.g. GL_TEXTURE_RECTANGLE_ARB).
int	height () const
	Return the height of the texture.
virtual TextureGpu &	operator= (const TextureGpu &shape)
	Assign operator.
	TextureGpu (const opentl::core::cvdata::Image &srcImg, GLenum texInternalDataType=GL_RGB8, GLenum texTargetType=GL_TEXTURE_RECTANGLE_ARB)
	Constructor for a 2D texture from Image.
	TextureGpu (int width, int height, GLenum texDataType=GL_UNSIGNED_BYTE, GLenum texChanSeq=GL_RGB, GLenum texInternalDataType=GL_RGB8, GLenum texTargetType=GL_TEXTURE_RECTANGLE_ARB)
	Constructor for a 1D or 2D texture.
virtual void	updateFromImage (const opentl::core::cvdata::Image &img)
	Update whole texture area from image.
int	width () const
	Return the width of the texture.
virtual	~TextureGpu ()
	Destructor.
Static Public Member Functions
static std::string	getImageDataTypeString (const opentl::core::cvdata::Image &img)
	Return estimated image data type as string for given image.
static GLenum	getTexChannelSeqByGivenImage (const opentl::core::cvdata::Image &img)
	Return estimated texture channel sequence for given image (e.g. GL_RGB).
static GLenum	getTexDataTypeByGivenImage (const opentl::core::cvdata::Image &img)
	Return estimated texture data type for given image (e.g. GL_UNSIGNED_BYTE).
Protected Member Functions
virtual void	setTextureGenerationParameters ()
	Sets texture generation parameters. HINT: Derive this class and change this function to set different texture generation parameters.
Protected Attributes
int	mHeight
	height of the stored texture in pixel.
GLenum	mTexChanSeq
GLenum	mTexDataType
GLuint	mTexId
	GL context related unique texture Id.
GLenum	mTexInternalDataType
GLenum	mTexTargetType
int	mWidth
	width of the stored texture in pixel.

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Detailed Description

Class for storing GPU texture related management information.

Author:

Erwin Roth <eroth@mytum.de>

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Constructor & Destructor Documentation

opentl::core::cvdata::TextureGpu::TextureGpu	(	int	width,
		int	height,
		GLenum	texDataType = GL_UNSIGNED_BYTE,
		GLenum	texChanSeq = GL_RGB,
		GLenum	texInternalDataType = GL_RGB8,
		GLenum	texTargetType = GL_TEXTURE_RECTANGLE_ARB
	)

Constructor for a 1D or 2D texture.

opentl::core::cvdata::TextureGpu::TextureGpu	(	const opentl::core::cvdata::Image &	srcImg,
		GLenum	texInternalDataType = GL_RGB8,
		GLenum	texTargetType = GL_TEXTURE_RECTANGLE_ARB
	)

Constructor for a 2D texture from Image.

virtual opentl::core::cvdata::TextureGpu::~TextureGpu

(

)

[virtual]

Destructor.

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Member Function Documentation

virtual TextureGpu* opentl::core::cvdata::TextureGpu::clone

(

)

const [virtual]

Creates a new TextureGpu class instance.

virtual void opentl::core::cvdata::TextureGpu::copyToImage	(	opentl::core::cvdata::Image &	img,
		int &	upperLeftX,
		int &	upperLeftY,
		int &	width,
		int &	height
	)			const [virtual]

Copy texture to image in a sub-region.

Parameters:

	img	Destination image. Must be allocated with right size/channels already.
	upperLeftX,upperLeftY,width,height	Region of interest (the same in both images)

virtual void opentl::core::cvdata::TextureGpu::copyToImage

(

opentl::core::cvdata::Image &

img

)

const [virtual]

Copy texture to image.

Parameters:

img

Destination image. Must be allocated with right size/channels already.

static std::string opentl::core::cvdata::TextureGpu::getImageDataTypeString

(

const opentl::core::cvdata::Image &

img

)

[static]

Return estimated image data type as string for given image.

Parameters:

img

Image

static GLenum opentl::core::cvdata::TextureGpu::getTexChannelSeqByGivenImage

(

const opentl::core::cvdata::Image &

img

)

[static]

Return estimated texture channel sequence for given image (e.g. GL_RGB).

GLenum opentl::core::cvdata::TextureGpu::getTexChanSeq

(

)

const [inline]

Return texture channel sequence (e.g. GL_RGB).

GLenum opentl::core::cvdata::TextureGpu::getTexDataType

(

)

const [inline]

Return texture data type (e.g. GL_UNSIGNED_BYTE).

static GLenum opentl::core::cvdata::TextureGpu::getTexDataTypeByGivenImage

(

const opentl::core::cvdata::Image &

img

)

[static]

Return estimated texture data type for given image (e.g. GL_UNSIGNED_BYTE).

Parameters:

img

Image

GLuint opentl::core::cvdata::TextureGpu::getTexId

(

)

const [inline]

Return GL context specific texture Id.

GLenum opentl::core::cvdata::TextureGpu::getTexInternalDataType

(

)

const [inline]

Return texture internal data type (e.g. GL_RGBA32F_ARB).

GLenum opentl::core::cvdata::TextureGpu::getTexTargetType

(

)

const [inline]

Return texture target type (e.g. GL_TEXTURE_RECTANGLE_ARB).

Parameters:

img

Image

int opentl::core::cvdata::TextureGpu::height

(

)

const [inline]

Return the height of the texture.

virtual TextureGpu& opentl::core::cvdata::TextureGpu::operator=

(

const TextureGpu &

shape

)

[virtual]

Assign operator.

virtual void opentl::core::cvdata::TextureGpu::setTextureGenerationParameters

(

)

[protected, virtual]

Sets texture generation parameters. HINT: Derive this class and change this function to set different texture generation parameters.

virtual void opentl::core::cvdata::TextureGpu::updateFromImage

(

const opentl::core::cvdata::Image &

img

)

[virtual]

Update whole texture area from image.

Parameters:

img

Source image.

int opentl::core::cvdata::TextureGpu::width

(

)

const [inline]

Return the width of the texture.

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Member Data Documentation

int opentl::core::cvdata::TextureGpu::mHeight [protected]

height of the stored texture in pixel.

GLenum opentl::core::cvdata::TextureGpu::mTexChanSeq [protected]

GLenum opentl::core::cvdata::TextureGpu::mTexDataType [protected]

GLuint opentl::core::cvdata::TextureGpu::mTexId [protected]

GL context related unique texture Id.

GLenum opentl::core::cvdata::TextureGpu::mTexInternalDataType [protected]

GLenum opentl::core::cvdata::TextureGpu::mTexTargetType [protected]

int opentl::core::cvdata::TextureGpu::mWidth [protected]

width of the stored texture in pixel.