#include <Camera.h>

Inheritance diagram for skottie::internal::CameraAdaper:

Public Member Functions
	CameraAdaper (const skjson::ObjectValue &jlayer, const skjson::ObjectValue &jtransform, const AnimationBuilder &abuilder, const SkSize &viewport_size)

	~CameraAdaper () override

SkM44	totalMatrix () const override

Public Member Functions inherited from skottie::internal::TransformAdapter3D
	TransformAdapter3D (const skjson::ObjectValue &, const AnimationBuilder &)

	~TransformAdapter3D () override

Public Member Functions inherited from skottie::internal::DiscardableAdapterBase< TransformAdapter3D, sksg::Matrix< SkM44 > >
const sk_sp< sksg::Matrix< SkM44 > > &	node () const

Public Member Functions inherited from skottie::internal::AnimatablePropertyContainer
template<typename T >
bool	bind (const AnimationBuilder &, const skjson::ObjectValue , T )

template<typename T >
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue *jobject, T &v)

bool	bindAutoOrientable (const AnimationBuilder &abuilder, const skjson::ObjectValue jobject, SkV2 v, float *orientation)

bool	isStatic () const

template<>
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue jprop, ScalarValue v)

template<>
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue jprop, ShapeValue v)

template<>
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue jprop, TextValue v)

template<>
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue jprop, Vec2Value v)

template<>
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue jprop, VectorValue v)

template<>
bool	bind (const AnimationBuilder &abuilder, const skjson::ObjectValue jprop, ColorValue v)

Public Member Functions inherited from skottie::internal::Animator
StateChanged	seek (float t)

Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()

virtual	~SkRefCntBase ()

bool	unique () const

void	ref () const

void	unref () const

Static Public Member Functions
static sk_sp< sksg::Transform >	DefaultCameraTransform (const SkSize &viewport_size)

Static Public Member Functions inherited from skottie::internal::DiscardableAdapterBase< TransformAdapter3D, sksg::Matrix< SkM44 > >
static sk_sp< TransformAdapter3D >	Make (Args &&... args)

Additional Inherited Members
Public Types inherited from skottie::internal::Animator
using	StateChanged = bool

Protected Member Functions inherited from skottie::internal::TransformAdapter3D
SkV3	anchor_point () const

SkV3	position () const

SkV3	rotation () const

Protected Member Functions inherited from skottie::internal::DiscardableAdapterBase< TransformAdapter3D, sksg::Matrix< SkM44 > >
	DiscardableAdapterBase ()

	DiscardableAdapterBase (sk_sp< sksg::Matrix< SkM44 > > node)

Protected Member Functions inherited from skottie::internal::AnimatablePropertyContainer
void	shrink_to_fit ()

void	attachDiscardableAdapter (sk_sp< AnimatablePropertyContainer >)

Protected Member Functions inherited from skottie::internal::Animator
	Animator ()=default

Detailed Description

Definition at line 28 of file Camera.h.

Constructor & Destructor Documentation

◆ CameraAdaper()

skottie::internal::CameraAdaper::CameraAdaper	(	const skjson::ObjectValue &	jlayer,
		const skjson::ObjectValue &	jtransform,
		const AnimationBuilder &	abuilder,
		const SkSize &	viewport_size
	)

Definition at line 60 of file Camera.cpp.

    : INHERITED(jtransform, abuilder)
    , fViewportSize(viewport_size)
    // The presence of an anchor point property ('a') differentiates
    // one-node vs. two-node cameras.
    , fType(jtransform["a"].is<skjson::NullValue>() ? CameraType::kOneNode
                                                    : CameraType::kTwoNode) {
    // 'pe' (perspective?) corresponds to AE's "zoom" camera property.
    this->bind(abuilder, jlayer["pe"], fZoom);
}

◆ ~CameraAdaper()

skottie::internal::CameraAdaper::~CameraAdaper ( )

overridedefault

Member Function Documentation

◆ DefaultCameraTransform()

sk_sp< sksg::Transform > skottie::internal::CameraAdaper::DefaultCameraTransform ( const SkSize & viewport_size )

static

Definition at line 110 of file Camera.cpp.

                                                                                     {
    const auto center = SkVector::Make(viewport_size.width()  * 0.5f,
                                       viewport_size.height() * 0.5f);
 
    static constexpr float kDefaultAEZoom = 879.13f;
 
    const SkV3 pos = { center.fX, center.fY, -kDefaultAEZoom },
               poi = {     pos.x,     pos.y,      -pos.z - 1 },
               rot = {         0,         0,               0 };
 
    return sksg::Matrix<SkM44>::Make(
                ComputeCameraMatrix(pos, poi, rot, viewport_size, kDefaultAEZoom));
}

◆ totalMatrix()

SkM44 skottie::internal::CameraAdaper::totalMatrix ( ) const

overridevirtual

Reimplemented from skottie::internal::TransformAdapter3D.

Definition at line 76 of file Camera.cpp.

                                      {
    // Camera parameters:
    //
    //   * location          -> position attribute
    //   * point of interest -> anchor point attribute (two-node camera only)
    //   * orientation       -> rotation attribute
    //
    const auto position = this->position();
 
    return ComputeCameraMatrix(position,
                               this->poi(position),
                               this->rotation(),
                               fViewportSize,
                               fZoom);
}

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

third_party/skia/modules/skottie/src/Camera.h
third_party/skia/modules/skottie/src/Camera.cpp

Public Member Functions

Static Public Member Functions