SkAnimationDraw Class Reference

Public Member Functions
	SkAnimationDraw ()=default
	~SkAnimationDraw ()=default
	operator bool () const
void	draw (SkSize size, SkCanvas *canvas)
void	load (const void *data, size_t length)
void	seek (double time)
float	duration ()
SkSize	size ()

Detailed Description

Definition at line 16 of file SkottieViewController.mm.

Constructor & Destructor Documentation

SkAnimationDraw()

SkAnimationDraw::SkAnimationDraw ( )

default

~SkAnimationDraw()

SkAnimationDraw::~SkAnimationDraw ( )

default

Member Function Documentation

draw()

void SkAnimationDraw::draw ( SkSize  size, SkCanvas *  canvas  )

inline

Definition at line 23 of file SkottieViewController.mm.

                                             {
        if (size.width() != fSize.width() || size.height() != fSize.height()) {
            // Cache the current matrix; change only if size changes.
            if (fAnimationSize.width() > 0 && fAnimationSize.height() > 0) {
                float scale = std::min(size.width() / fAnimationSize.width(),
                                       size.height() / fAnimationSize.height());
                fMatrix.setScaleTranslate(
                        scale, scale,
                        (size.width()  - fAnimationSize.width()  * scale) * 0.5f,
                        (size.height() - fAnimationSize.height() * scale) * 0.5f);
            } else {
                fMatrix = SkMatrix();
            }
            fSize = size;
        }
        canvas->concat(fMatrix);
        SkRect rect = {0, 0, fAnimationSize.width(), fAnimationSize.height()};
        canvas->drawRect(rect, SkPaint(SkColors::kWhite));
        fAnimation->render(canvas);
    }

duration()

float SkAnimationDraw::duration ( )

inline

Definition at line 53 of file SkottieViewController.mm.

{ return fAnimation ? fAnimation->duration() : 0; }

load()

void SkAnimationDraw::load ( const void *  data, size_t  length  )

inline

Definition at line 44 of file SkottieViewController.mm.

                                               {
        skottie::Animation::Builder builder;
        fAnimation = builder.make((const char*)data, (size_t)length);
        fSize = {0, 0};
        fAnimationSize = fAnimation ? fAnimation->size() : SkSize{0, 0};
    }

operator bool()

SkAnimationDraw::operator bool ( ) const

inlineexplicit

Definition at line 21 of file SkottieViewController.mm.

{ return fAnimation != nullptr; }

seek()

void SkAnimationDraw::seek ( double  time )

inline

Definition at line 51 of file SkottieViewController.mm.

{ if (fAnimation) { fAnimation->seekFrameTime(time, nullptr); } }

size()

SkSize SkAnimationDraw::size ( )

inline

Definition at line 55 of file SkottieViewController.mm.

{ return fAnimationSize; }

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

• third_party/skia/tools/skottie_ios_app/SkottieViewController.mm