ome::qtwidgets::glsl::v110::GLImageShader2D Class Reference

2D image shader program (simple, up to three channels). More...

#include <ome/qtwidgets/glsl/v110/GLImageShader2D.h>

Inheritance diagram for ome::qtwidgets::glsl::v110::GLImageShader2D:

Collaboration diagram for ome::qtwidgets::glsl::v110::GLImageShader2D:

Public Member Functions
	GLImageShader2D (QObject *parent=0)
	Constructor. More...
	~GLImageShader2D ()
	Destructor.
void	enableCoords ()
	Enable vertex coordinates.
void	disableCoords ()
	Disable vertex coordinates.
void	setCoords (const GLfloat *offset=0, int tupleSize=2, int stride=0)
	Set vertex coordinates from array. More...
void	setCoords (QOpenGLBuffer &coords, const GLfloat *offset=0, int tupleSize=2, int stride=0)
	Set vertex coordinates from buffer object. More...
void	enableTexCoords ()
	Enable texture coordinates.
void	disableTexCoords ()
	Disable texture coordinates.
void	setTexCoords (const GLfloat *offset=0, int tupleSize=2, int stride=0)
	Set texture coordinates from array. More...
void	setTexCoords (QOpenGLBuffer &coords, const GLfloat *offset=0, int tupleSize=2, int stride=0)
	Set texture coordinates from buffer object. More...
void	setTexture (int texunit)
	Set the texture to render. More...
void	setMin (const glm::vec3 &min)
	Set minimum limits for linear contrast. More...
void	setMax (const glm::vec3 &max)
	Set maximum limits for linear contrast. More...
void	setCorrection (const glm::vec3 &corr)
	Set correction multipliers to normalise pixel intensity. More...
void	setLUT (int texunit)
	Set the LUT to use. More...
void	setModelViewProjection (const glm::mat4 &mvp)
	Set model view projection matrix. More...

Private Attributes
QOpenGLShader *	vshader
	The vertex shader.
QOpenGLShader *	fshader
	The fragment shader.
int	attr_coords
	Vertex coordinates attribute.
int	attr_texcoords
	Texture coordinates attribute.
int	uniform_mvp
	Model view projection uniform.
int	uniform_texture
	Texture uniform.
int	uniform_lut
	LUT uniform.
int	uniform_min
	Minimum limits for linear contrast uniform.
int	uniform_max
	Maximum limits for linear contrast uniform.
int	uniform_corr
	Correction multiplier for linear contrast uniform.

Detailed Description

2D image shader program (simple, up to three channels).

Constructor & Destructor Documentation

ome::qtwidgets::glsl::v110::GLImageShader2D::GLImageShader2D ( QObject *  parent = 0 )

explicit

Constructor.

Parameters

parent

the parent of this object.

References attr_coords, attr_texcoords, fshader, uniform_corr, uniform_lut, uniform_max, uniform_min, uniform_mvp, uniform_texture, and vshader.

Member Function Documentation

void ome::qtwidgets::glsl::v110::GLImageShader2D::setCoords	(	const GLfloat *	offset = 0,
		int	tupleSize = 2,
		int	stride = 0
	)

Set vertex coordinates from array.

Parameters

offset	data offset if using a buffer object otherwise the coordinate values.
tupleSize	the tuple size of the data.
stride	the stride of the data.

References attr_coords.

Referenced by ome::qtwidgets::gl::v20::Image2D::render(), and setCoords().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setCoords	(	QOpenGLBuffer &	coords,
		const GLfloat *	offset = 0,
		int	tupleSize = 2,
		int	stride = 0
	)

Set vertex coordinates from buffer object.

Parameters

coords	the coordinate values; null if using a buffer object.
offset	the offset into the coords buffer.
tupleSize	the tuple size of the data.
stride	the stride of the data.

References setCoords().

void ome::qtwidgets::glsl::v110::GLImageShader2D::setCorrection

(

const glm::vec3 &

corr

)

Set correction multipliers to normalise pixel intensity.

Use to correct the pixel value limits to the storage size limits, for example when using data with 12 bits per sample with a 16-bit storage type it will require multiplying by 2^(16-12) = 2^4 = 16. To leave uncorrected, e.g. for float and complex types, and integer types where the bits per sample is the same as the storage size, set to 1.0.

Parameters

corr	the RGB channel correction multipliers.

References uniform_corr.

Referenced by ome::qtwidgets::gl::v20::Image2D::render().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setLUT

(

int

texunit

)

Set the LUT to use.

Parameters

texunit

the texture unit to use.

References uniform_lut.

Referenced by ome::qtwidgets::gl::v20::Image2D::render().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setMax

(

const glm::vec3 &

max

)

Set maximum limits for linear contrast.

Parameters

max	the RGB channel limits.

References uniform_max.

Referenced by ome::qtwidgets::gl::v20::Image2D::render().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setMin

(

const glm::vec3 &

min

)

Set minimum limits for linear contrast.

Parameters

min	the RGB channel limits.

References uniform_min.

Referenced by ome::qtwidgets::gl::v20::Image2D::render().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setModelViewProjection

(

const glm::mat4 &

mvp

)

Set model view projection matrix.

Parameters

mvp	the model view projection matrix.

References uniform_mvp.

Referenced by ome::qtwidgets::gl::v20::Image2D::render().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setTexCoords	(	const GLfloat *	offset = 0,
		int	tupleSize = 2,
		int	stride = 0
	)

Set texture coordinates from array.

Parameters

offset	data offset if using a buffer object otherwise the coordinate values.
tupleSize	the tuple size of the data.
stride	the stride of the data.

References attr_texcoords.

Referenced by ome::qtwidgets::gl::v20::Image2D::render(), and setTexCoords().

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void ome::qtwidgets::glsl::v110::GLImageShader2D::setTexCoords	(	QOpenGLBuffer &	coords,
		const GLfloat *	offset = 0,
		int	tupleSize = 2,
		int	stride = 0
	)

Set texture coordinates from buffer object.

Parameters

coords	the coordinate values; null if using a buffer object.
offset	the offset into the coords buffer.
tupleSize	the tuple size of the data.
stride	the stride of the data.

References setTexCoords().

void ome::qtwidgets::glsl::v110::GLImageShader2D::setTexture

(

int

texunit

)

Set the texture to render.

Parameters

texunit

the texture unit to use.

References uniform_texture.

Referenced by ome::qtwidgets::gl::v20::Image2D::render().

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

• ome/qtwidgets/glsl/v110/GLImageShader2D.h
• ome/qtwidgets/glsl/v110/GLImageShader2D.cpp