ImFusion C++ SDK 4.4.0
ImFusion::ImageMath::Scalar< T > Class Template Reference

#include <ImFusion/ImageMath/Tpl/Scalar.h>

Specialization of ExprBaseTpl for a single scalar value. More...

Inheritance diagram for ImFusion::ImageMath::Scalar< T >:

Detailed Description

template<typename T>
class ImFusion::ImageMath::Scalar< T >

Specialization of ExprBaseTpl for a single scalar value.

Forward declaration of Scalar, needed below.

Just a wrapper for a single scalar value which is "streamed" to all pixels.

Public Types

using expr_type = typename std::decay<T>::type
using var_type = void
using imf_img_type = void

Public Member Functions

 Scalar (T val)
template<typename ImgT>
auto convertToMemImgExpr () const noexcept
auto convertToSharedImgExpr (std::size_t) const
IMFUSION_STRONG_INLINE expr_type eval (const std::size_t, const vec4i &) const
 Evaluate the expression at position i.
ImageDescriptor imgDesc () const override final
 get image descriptor
int numImgs () const override final
 Get number of images.
DeviceStrategy deviceStrategy () const override final
 Return DeviceStrategy of this expression.
Public Member Functions inherited from ImFusion::ImageMath::ExprBaseTpl< Scalar< T > >
const auto & get () const
 get a const reference to this with the actual type
auto polyWrapper () const
auto uniquePolyWrapper () const
auto sharedPolyWrapper () const
auto binaryOp (const ExprBaseTpl< RhsT > &rhs, const Op &func=Op()) const
auto unaryOp (const Op &func=Op()) const
reduction_type reduce (std::vector< vec4i > *arg=nullptr) const
auto forceCPU () const
 Forces CPU execution.
auto forceGPU () const
 Forces GPU execution.
auto channelSwizzle (const std::vector< std::size_t > &indices) const
auto head ()
 ADD_SPECIAL_SWIZZLE (x, {0})
auto streamChannels (int numStreamedChannels) const
auto substituteVariableWithImg (T &img) const
auto operator- () const
auto cast () const
auto storageToOriginal (const ImageDescriptor &desc)
 Apply shift/scale to the operand,.
auto originalToStorage (const ImageDescriptor &desc)
 Apply shift/scale to the operand,.
auto channelReduction ()
 ADD_CHANNEL_REDUCTION_OPERATOR (channelSum, add)
auto channelMean ()
auto squaredLength () const
auto channelDistance (const ExprBaseTpl< RhsT > &other) const
auto dot (const ExprBaseTpl< RhsT > &other) const
auto stashThenApply (const ExprBaseTpl< VariableT > &varExpr) const
auto hnormalized () const
auto normalized () const
auto homogeneous () const
auto appendZero () const
auto select (const ExprBaseTpl< LhsT > &lhs, const ExprBaseTpl< RhsT > &rhs) const
 Ternary (condition.x ? if_true : if_false) operator.
 ADD_REDUCTION_OPERATOR (sum, add)
 ADD_ARG_REDUCTION_OPERATOR (min, min)
Eigen::Matrix< double, Eigen::Dynamic, 1 > mean () const
Eigen::Matrix< double, Eigen::Dynamic, 1 > l1Norm () const
Eigen::Matrix< double, Eigen::Dynamic, 1 > squaredl2Norm () const
Eigen::Matrix< double, Eigen::Dynamic, 1 > l2Norm () const
Eigen::Matrix< double, Eigen::Dynamic, 1 > lpNorm (double p) const
Eigen::Matrix< double, Eigen::Dynamic, 1 > lInfNorm () const
auto evaluateIntoImage (bool clearShiftScale=false) const
 Create an empty image and evaluate this expression into it.
auto toMask () const
auto toDeformation (const ImageDescriptorWorld imgDesc) const
auto resample (const ImageDescriptorWorld &inputDesc, const ImageDescriptorWorld &outputDesc) const
Public Member Functions inherited from ImFusion::ImageMath::internal::ScalarGl< Scalar< T > >
std::string evalString (bool tagAndAssign=true) const override
 Print expression.
void tagAndAssignNames (std::unordered_map< internal::TaggingIndex, const void * > &taggedLeaves, std::unordered_map< std::type_index, int > &countPerLeafType, const std::string &prefix) const override
 We need to tag leaves and tell unique leaves that they are responsible to define the uniforms and set the shader arguments.
void getUniformDefinitionList (std::string &definitionList, const std::vector< int > &, const std::string &) const override
 Collect uniform/sampler definitions.
void getVariableDefinitionList (std::string &, const std::vector< int > &, const std::string &) const override
 Collect variable definitions.
int setArguments (GL::Program &p, const std::vector< int > &, const std::string &prefix) const override
 Set uniform/sampler arguments.
std::vector< internal::GlExprInterface * > children () override
 Used for traversing the expression tree. Contains the immediate children of node.
Public Member Functions inherited from ImFusion::ImageMath::internal::GlExprInterface
ExprInterfaceexprInterface ()
 Get image descriptor of the wrapped expression.
const ExprInterfaceexprInterface () const
virtual std::vector< const GlExprInterface * > children () const =0
 Used for traversing the expression tree. Contains the immediate children of node.
virtual bool setMagFilter (ImageMath::MagFilter mag)
 Set interpolation behaviour of the current leaf (only).
virtual bool setWrap (ImageMath::Wrap wrap)
 Set interpolation behaviour of the current leaf (only).
bool setMagFilterRecursive (ImageMath::MagFilter mag)
 Set interpolation behaviour of the current leaf and all of its children.
bool setWrapRecursive (ImageMath::Wrap wrap)
 Set wrap behaviour of the current leaf and all of its children.

Static Public Attributes

static constexpr bool has_variable = false

Member Function Documentation

◆ imgDesc()

template<typename T>
ImageDescriptor ImFusion::ImageMath::Scalar< T >::imgDesc ( ) const
inlinefinaloverridevirtual

get image descriptor

Implements ImFusion::ImageMath::ExprInterface.

◆ numImgs()

template<typename T>
int ImFusion::ImageMath::Scalar< T >::numImgs ( ) const
inlinefinaloverridevirtual

Get number of images.

Implements ImFusion::ImageMath::ExprInterface.

◆ deviceStrategy()

template<typename T>
DeviceStrategy ImFusion::ImageMath::Scalar< T >::deviceStrategy ( ) const
inlinefinaloverridevirtual

Return DeviceStrategy of this expression.

Implements ImFusion::ImageMath::ExprInterface.


The documentation for this class was generated from the following file:
  • ImFusion/ImageMath/Tpl/Scalar.h
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