DrawLineSlide Class Reference

Inheritance diagram for DrawLineSlide:

Public Member Functions
	DrawLineSlide ()
void	setStyle (FatBits::Style s)
bool	onChar (SkUnichar uni) override
void	draw (SkCanvas *canvas) override
Public Member Functions inherited from ClickHandlerSlide
bool	onMouse (SkScalar x, SkScalar y, skui::InputState clickState, skui::ModifierKey modifierKeys) final
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

Protected Member Functions
Click *	onFindClickHandler (SkScalar x, SkScalar y, skui::ModifierKey modi) override
bool	onClick (Click *click) override
virtual Click *	onFindClickHandler (SkScalar x, SkScalar y, skui::ModifierKey modi)=0
virtual bool	onClick (Click *)=0

Additional Inherited Members
Protected Attributes inherited from Slide
SkString	fName

Detailed Description

Definition at line 374 of file FatBitsSlide.cpp.

Constructor & Destructor Documentation

DrawLineSlide()

DrawLineSlide::DrawLineSlide ( )

inline

Definition at line 381 of file FatBitsSlide.cpp.

                    {
        fFB.setWHZ(24*2, 16*2, fZoom);
        fPts[0].set(1, 1);
        fPts[1].set(5, 4);
        fPts[2].set(2, 6);
        SkMatrix::Scale(fZoom, fZoom).mapPoints(fPts, 3);
        fIsRect = false;
        fName = "FatBits";
    }

Member Function Documentation

draw()

void DrawLineSlide::draw ( SkCanvas *  canvas )

inlineoverridevirtual

Implements Slide.

Definition at line 443 of file FatBitsSlide.cpp.

                                         {
        fFB.drawBG(canvas);
        if (fFB.getTriangle()) {
            fFB.drawTriangle(canvas, fPts);
        } else if (fIsRect) {
            fFB.drawRect(canvas, fPts);
        } else {
            fFB.drawLine(canvas, fPts);
        }
        fFB.drawFG(canvas);
 
        {
            SkString str;
            str.printf("%s %s %s",
                       fFB.getAA() ? "AA" : "BW",
                       FatBits::kHair_Style == fFB.getStyle() ? "Hair" : "Stroke",
                       fFB.getUseClip() ? "clip" : "noclip");
            SkPaint paint;
            paint.setColor(SK_ColorBLUE);
            SkFont font(ToolUtils::DefaultTypeface(), 16);
            canvas->drawString(str, 10, 16, font, paint);
        }
    }

onChar()

bool DrawLineSlide::onChar ( SkUnichar  uni )

inlineoverridevirtual

Reimplemented from Slide.

Definition at line 393 of file FatBitsSlide.cpp.

                                        {
        switch (uni) {
            case 'c':
                fFB.setUseClip(!fFB.getUseClip());
                return true;
            case 'r':
                fIsRect = !fIsRect;
                return true;
            case 'o':
                fFB.toggleRectAsOval();
                return true;
            case 'x':
                fFB.setGrid(!fFB.getGrid());
                return true;
            case 's':
                if (FatBits::kStroke_Style == fFB.getStyle()) {
                    this->setStyle(FatBits::kHair_Style);
                } else {
                    this->setStyle(FatBits::kStroke_Style);
                }
                return true;
            case 'k': {
                const SkPaint::Cap caps[] = {
                    SkPaint::kButt_Cap, SkPaint::kRound_Cap, SkPaint::kSquare_Cap,
                };
                fFB.fStrokeCap = caps[(fFB.fStrokeCap + 1) % 3];
                return true;
            }
            case 'a':
                fFB.setAA(!fFB.getAA());
                return true;
            case 'w':
                fFB.setShowSkeleton(!fFB.getShowSkeleton());
                return true;
            case 'g':
                fFB.togglePixelColors();
                return true;
            case 't':
                fFB.setTriangle(!fFB.getTriangle());
                return true;
            case '-':
                fFB.fStrokeWidth -= 0.125f;
                return true;
            case '=':
                fFB.fStrokeWidth += 0.125f;
                return true;
        }
        return false;
    }

onClick()

bool DrawLineSlide::onClick ( Click *  )

inlineoverrideprotectedvirtual

Override to track clicks. Return true as long as you want to track the pen/mouse.

Implements ClickHandlerSlide.

Definition at line 483 of file FatBitsSlide.cpp.

                                        {
        int index = IndexClick::GetIndex(click);
        if (index >= 0 && index <= 2) {
            fPts[index] = click->fCurr;
        } else {
            SkScalar dx = click->fCurr.fX - click->fPrev.fX;
            SkScalar dy = click->fCurr.fY - click->fPrev.fY;
            fPts[0].offset(dx, dy);
            fPts[1].offset(dx, dy);
            fPts[2].offset(dx, dy);
        }
        return true;
    }

onFindClickHandler()

Click * DrawLineSlide::onFindClickHandler ( SkScalar  x, SkScalar  y, skui::ModifierKey  modi  )

inlineoverrideprotectedvirtual

Return a Click object to handle the click. onClick will be called repeatedly with the latest mouse state tracked on the Click object until it returns false.

Implements ClickHandlerSlide.

Definition at line 468 of file FatBitsSlide.cpp.

                                                                                     {
        SkPoint pt = { x, y };
        int index = -1;
        int count = fFB.getTriangle() ? 3 : 2;
        SkScalar tol = 12;
 
        for (int i = 0; i < count; ++i) {
            if (SkPointPriv::EqualsWithinTolerance(fPts[i], pt, tol)) {
                index = i;
                break;
            }
        }
        return new IndexClick(index);
    }

setStyle()

void DrawLineSlide::setStyle ( FatBits::Style  s )

inline

Definition at line 391 of file FatBitsSlide.cpp.

{ fFB.setStyle(s); }

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

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