#include <matrix_decomposition.h>

Public Types
enum	Component { Component::kTranslation = 1 << 0, Component::kScale = 1 << 1, Component::kShear = 1 << 2, Component::kPerspective = 1 << 3, Component::kRotation = 1 << 4 }

Public Member Functions
uint64_t	GetComponentsMask () const

Public Attributes
Vector3	translation

Vector3	scale

Shear	shear

Vector4	perspective

Quaternion	rotation

Detailed Description

Definition at line 15 of file matrix_decomposition.h.

Member Enumeration Documentation

◆ Component

enum impeller::MatrixDecomposition::Component

strong

Enumerator
kTranslation
kScale
kShear
kPerspective
kRotation

Definition at line 22 of file matrix_decomposition.h.

                        {
     kTranslation = 1 << 0,
     kScale = 1 << 1,
     kShear = 1 << 2,
     kPerspective = 1 << 3,
     kRotation = 1 << 4,
   };

Member Function Documentation

◆ GetComponentsMask()

uint64_t impeller::MatrixDecomposition::GetComponentsMask ( ) const

Definition at line 361 of file matrix.cc.

                                                       {
   uint64_t mask = 0;
  
   Quaternion noRotation(0.0, 0.0, 0.0, 1.0);
   if (rotation != noRotation) {
     mask = mask | static_cast<uint64_t>(Component::kRotation);
   }
  
   Vector4 defaultPerspective(0.0, 0.0, 0.0, 1.0);
   if (perspective != defaultPerspective) {
     mask = mask | static_cast<uint64_t>(Component::kPerspective);
   }
  
   Shear noShear(0.0, 0.0, 0.0);
   if (shear != noShear) {
     mask = mask | static_cast<uint64_t>(Component::kShear);
   }
  
   Vector3 defaultScale(1.0, 1.0, 1.0);
   if (scale != defaultScale) {
     mask = mask | static_cast<uint64_t>(Component::kScale);
   }
  
   Vector3 defaultTranslation(0.0, 0.0, 0.0);
   if (translation != defaultTranslation) {
     mask = mask | static_cast<uint64_t>(Component::kTranslation);
   }
  
   return mask;
 }