Inheritance diagram for ChineseFlingSlide:

Public Member Functions
	ChineseFlingSlide ()

void	draw (SkCanvas *canvas) override

void	load (SkScalar w, SkScalar h) override

void	createRandomWord (SkUnichar glyphs[kWordLength])

Public Member Functions inherited from Slide
virtual SkISize	getDimensions () const

virtual void	gpuTeardown ()

virtual void	draw (SkCanvas *canvas)=0

virtual bool	animate (double nanos)

virtual void	load (SkScalar winWidth, SkScalar winHeight)

virtual void	resize (SkScalar winWidth, SkScalar winHeight)

virtual void	unload ()

virtual bool	onChar (SkUnichar c)

virtual bool	onMouse (SkScalar x, SkScalar y, skui::InputState state, skui::ModifierKey modifiers)

virtual bool	onGetControls (SkMetaData *)

virtual void	onSetControls (const SkMetaData &)

const SkString &	getName ()

Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()

virtual	~SkRefCntBase ()

bool	unique () const

void	ref () const

void	unref () const

Additional Inherited Members
Protected Attributes inherited from Slide
SkString	fName

Detailed Description

Definition at line 42 of file ChineseFlingSlide.cpp.

Constructor & Destructor Documentation

◆ ChineseFlingSlide()

ChineseFlingSlide::ChineseFlingSlide ( )

inline

Definition at line 53 of file ChineseFlingSlide.cpp.

53{ fName = "chinese-fling"; }

Slide::fName

SkString fName

Definition: Slide.h:54

Member Function Documentation

◆ createRandomWord()

void ChineseFlingSlide::createRandomWord ( SkUnichar glyphs[kWordLength] )

inline

Definition at line 101 of file ChineseFlingSlide.cpp.

                                                         {
        for (int i = 0; i < kWordLength; ++i) {
            glyphs[i] = fRand.nextRangeU(0x4F00, 0x9FA0);
        }
    }

◆ draw()

void ChineseFlingSlide::draw ( SkCanvas * canvas )

inlineoverridevirtual

Implements Slide.

Definition at line 55 of file ChineseFlingSlide.cpp.

                                         {
        canvas->clear(0xFFDDDDDD);
 
        SkPaint paint;
        paint.setColor(0xDE000000);
 
        // draw a consistent run of the 'words' - one word per line
        int index = fIndex;
        for (SkScalar y = 0.0f; y < 1024.0f; ) {
 
            y += -fMetrics.fAscent;
            canvas->drawTextBlob(fBlobs[index], 0, y, paint);
 
            y += fMetrics.fDescent + fMetrics.fLeading;
            ++index;
            index %= kNumBlobs;
        }
        // now "fling" a random amount
        fIndex += fRand.nextRangeU(5, 20);
        fIndex %= kNumBlobs;
    }

◆ load()

void ChineseFlingSlide::load	(	SkScalar	w,
		SkScalar	h
	)

inlineoverridevirtual

Reimplemented from Slide.

Definition at line 77 of file ChineseFlingSlide.cpp.

                                               {
        fTypeface = chinese_typeface();
 
        SkFont font(fTypeface, 56);
        font.getMetrics(&fMetrics);
 
        SkUnichar glyphs[kWordLength];
        for (int32_t i = 0; i < kNumBlobs; ++i) {
            this->createRandomWord(glyphs);
 
            SkTextBlobBuilder builder;
            ToolUtils::add_to_text_blob_w_len(&builder,
                                              (const char*)glyphs,
                                              kWordLength * 4,
                                              SkTextEncoding::kUTF32,
                                              font,
                                              0,
                                              0);
 
            fBlobs[i] = builder.make();
        }
    }

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

third_party/skia/tools/viewer/ChineseFlingSlide.cpp

Public Member Functions