skottie::internal::TextAnimator Class Reference

#include <TextAnimator.h>

Inheritance diagram for skottie::internal::TextAnimator:

Classes
struct	AnimatedProps
struct	AnimatedPropsModulator
struct	DomainMaps
struct	DomainSpan
struct	ResolvedProps

Public Types
using	ModulatorBuffer = std::vector< AnimatedPropsModulator >
using	DomainMap = std::vector< DomainSpan >

Public Member Functions
void	modulateProps (const DomainMaps &, ModulatorBuffer &) const
bool	hasBlur () const
bool	requiresAnchorPoint () const
bool	requiresLineAdjustments () const
Public Member Functions inherited from SkNVRefCnt< TextAnimator >
	SkNVRefCnt ()
	~SkNVRefCnt ()
bool	unique () const
void	ref () const
void	unref () const
void	deref () const
bool	refCntGreaterThan (int32_t threadIsolatedTestCnt) const

Static Public Member Functions
static sk_sp< TextAnimator >	Make (const skjson::ObjectValue *, const AnimationBuilder *, AnimatablePropertyContainer *acontainer)

Detailed Description

Definition at line 29 of file TextAnimator.h.

Member Typedef Documentation

DomainMap

using skottie::internal::TextAnimator::DomainMap = std::vector<DomainSpan>

Definition at line 82 of file TextAnimator.h.

ModulatorBuffer

using skottie::internal::TextAnimator::ModulatorBuffer = std::vector<AnimatedPropsModulator>

Definition at line 69 of file TextAnimator.h.

Member Function Documentation

hasBlur()

bool skottie::internal::TextAnimator::hasBlur ( ) const

inline

Definition at line 92 of file TextAnimator.h.

{ return fHasBlur; }

Make()

sk_sp< TextAnimator > skottie::internal::TextAnimator::Make ( const skjson::ObjectValue *  janimator, const AnimationBuilder *  abuilder, AnimatablePropertyContainer *  acontainer  )

static

Definition at line 67 of file TextAnimator.cpp.

                                                                                {
    if (!janimator) {
        return nullptr;
    }
 
    const skjson::ObjectValue* jprops = (*janimator)["a"];
    if (!jprops) {
        return nullptr;
    }
 
    std::vector<sk_sp<RangeSelector>> selectors;
 
    // Depending on compat mode and whether more than one selector is present,
    // BM exports either an array or a single object.
    if (const skjson::ArrayValue* jselectors = (*janimator)["s"]) {
        selectors.reserve(jselectors->size());
        for (const skjson::ObjectValue* jselector : *jselectors) {
            if (auto sel = RangeSelector::Make(*jselector, abuilder, acontainer)) {
                selectors.push_back(std::move(sel));
            }
        }
    } else {
        if (auto sel = RangeSelector::Make((*janimator)["s"], abuilder, acontainer)) {
            selectors.reserve(1);
            selectors.push_back(std::move(sel));
        }
    }
 
    return sk_sp<TextAnimator>(
                new TextAnimator(std::move(selectors), *jprops, abuilder, acontainer));
}

modulateProps()

void skottie::internal::TextAnimator::modulateProps	(	const DomainMaps &	maps,
		ModulatorBuffer &	buf
	)		const

Definition at line 101 of file TextAnimator.cpp.

                                                                                   {
    // No selectors -> full coverage.
    const auto initial_coverage = fSelectors.empty() ? 1.f : 0.f;
 
    // Coverage is scoped per animator.
    for (auto& mod : buf) {
        mod.coverage = initial_coverage;
    }
 
    // Accumulate selector coverage.
    for (const auto& selector : fSelectors) {
        selector->modulateCoverage(maps, buf);
    }
 
    // Modulate animated props.
    for (auto& mod : buf) {
        mod.props = this->modulateProps(mod.props, mod.coverage);
    }
}

requiresAnchorPoint()

bool skottie::internal::TextAnimator::requiresAnchorPoint ( ) const

inline

Definition at line 94 of file TextAnimator.h.

{ return fRequiresAnchorPoint;     }

requiresLineAdjustments()

bool skottie::internal::TextAnimator::requiresLineAdjustments ( ) const

inline

Definition at line 95 of file TextAnimator.h.

{ return fRequiresLineAdjustments; }

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

• third_party/skia/modules/skottie/src/text/TextAnimator.h
• third_party/skia/modules/skottie/src/text/TextAnimator.cpp