1 #include "rive/transform_component.hpp"
2 #include "rive/world_transform_component.hpp"
3 #include "rive/shapes/clipping_shape.hpp"
4 #include "rive/math/vec2d.hpp"
5 #include "rive/constraints/constraint.hpp"
9 StatusCode TransformComponent::onAddedClean(CoreContext* context) {
10 m_ParentTransformComponent = parent() != nullptr && parent()->is<WorldTransformComponent>()
11 ? parent()->as<WorldTransformComponent>()
13 return StatusCode::Ok;
16 void TransformComponent::buildDependencies() {
17 if (parent() != nullptr) {
18 parent()->addDependent(this);
22 void TransformComponent::markTransformDirty() {
23 if (!addDirt(ComponentDirt::Transform)) {
26 markWorldTransformDirty();
29 void TransformComponent::updateTransform() {
30 m_Transform = Mat2D::fromRotation(rotation());
33 m_Transform.scaleByValues(scaleX(), scaleY());
36 void TransformComponent::updateWorldTransform() {
37 if (m_ParentTransformComponent != nullptr) {
38 m_WorldTransform = m_ParentTransformComponent->m_WorldTransform * m_Transform;
40 m_WorldTransform = m_Transform;
43 for (auto constraint : m_Constraints) {
44 constraint->constrain(this);
48 void TransformComponent::update(ComponentDirt value) {
49 if (hasDirt(value, ComponentDirt::Transform)) {
52 if (hasDirt(value, ComponentDirt::WorldTransform)) {
53 updateWorldTransform();
55 if (hasDirt(value, ComponentDirt::RenderOpacity)) {
56 m_RenderOpacity = opacity();
57 if (m_ParentTransformComponent != nullptr) {
58 m_RenderOpacity *= m_ParentTransformComponent->childOpacity();
63 const Mat2D& TransformComponent::transform() const { return m_Transform; }
65 Mat2D& TransformComponent::mutableTransform() { return m_Transform; }
67 void TransformComponent::rotationChanged() { markTransformDirty(); }
68 void TransformComponent::scaleXChanged() { markTransformDirty(); }
69 void TransformComponent::scaleYChanged() { markTransformDirty(); }
71 void TransformComponent::addConstraint(Constraint* constraint) {
72 m_Constraints.push_back(constraint);