Stage Class Reference

Inheritance diagram for Stage:

Public Member Functions
	Stage (SkSize size, int startingObjectCount, int objectIncrement)
virtual	~Stage ()=default
virtual void	draw (SkCanvas *canvas)
virtual bool	animate (double nanos)
virtual bool	onChar (SkUnichar uni)

Protected Member Functions
virtual std::unique_ptr< MMObject >	createObject ()=0
void	initializeObjects ()

Protected Attributes
SkSize	fSize
int	fStartingObjectCount
int	fObjectIncrement
std::vector< std::unique_ptr< MMObject > >	fObjects
SkRandom	fRandom

Detailed Description

Definition at line 31 of file MotionMarkSlide.cpp.

Constructor & Destructor Documentation

Stage()

Stage::Stage ( SkSize  size, int  startingObjectCount, int  objectIncrement  )

inline

Definition at line 33 of file MotionMarkSlide.cpp.

            : fSize(size)
            , fStartingObjectCount(startingObjectCount)
            , fObjectIncrement(objectIncrement) {}

~Stage()

virtual Stage::~Stage ( )

virtualdefault

Member Function Documentation

animate()

virtual bool Stage::animate ( double  nanos )

inlinevirtual

Reimplemented in CanvasLineSegmentStage, and CanvasLinePathStage.

Definition at line 47 of file MotionMarkSlide.cpp.

                                       {
        for (size_t i = 0; i < fObjects.size(); ++i) {
            fObjects[i]->animate(nanos);
        }
        return true;
    }

createObject()

virtual std::unique_ptr< MMObject > Stage::createObject ( )

protectedpure virtual

Implemented in CanvasLineSegmentStage, CanvasArcStage, and CanvasLinePathStage.

draw()

virtual void Stage::draw ( SkCanvas *  canvas )

inlinevirtual

Reimplemented in CanvasLineSegmentStage, CanvasArcStage, and CanvasLinePathStage.

Definition at line 41 of file MotionMarkSlide.cpp.

                                        {
        for (size_t i = 0; i < fObjects.size(); ++i) {
            fObjects[i]->draw(canvas);
        }
    }

initializeObjects()

void Stage::initializeObjects ( )

inlineprotected

Definition at line 82 of file MotionMarkSlide.cpp.

                             {
        for (int i = 0; i < fStartingObjectCount; ++i) {
            fObjects.push_back(this->createObject());
        }
    }

onChar()

virtual bool Stage::onChar ( SkUnichar  uni )

inlinevirtual

Definition at line 55 of file MotionMarkSlide.cpp.

                                       {
        bool handled = false;
        switch (uni) {
            case '+':
            case '=':
                for (int i = 0; i < fObjectIncrement; ++i) {
                    fObjects.push_back(this->createObject());
                }
                handled = true;
                break;
            case '-':
            case '_':
                if (fObjects.size() > (size_t) fObjectIncrement) {
                    fObjects.resize(fObjects.size() - (size_t) fObjectIncrement);
                }
                handled = true;
                break;
            default:
                break;
        }
 
        return handled;
    }

Member Data Documentation

fObjectIncrement

int Stage::fObjectIncrement

protected

Definition at line 91 of file MotionMarkSlide.cpp.

fObjects

std::vector<std::unique_ptr<MMObject> > Stage::fObjects

protected

Definition at line 93 of file MotionMarkSlide.cpp.

fRandom

SkRandom Stage::fRandom

protected

Definition at line 94 of file MotionMarkSlide.cpp.

fSize

SkSize Stage::fSize

protected

Definition at line 88 of file MotionMarkSlide.cpp.

fStartingObjectCount

int Stage::fStartingObjectCount

protected

Definition at line 90 of file MotionMarkSlide.cpp.

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

• third_party/skia/tools/viewer/MotionMarkSlide.cpp