HalfPlaneSlide3 Class Reference

Inherits CameraSlide.

Public Member Functions
	HalfPlaneSlide3 ()
void	load (SkScalar w, SkScalar h) override
bool	onChar (SkUnichar uni) override
void	draw (SkCanvas *canvas) override

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

Detailed Description

Definition at line 498 of file ClipSlide.cpp.

Constructor & Destructor Documentation

HalfPlaneSlide3()

HalfPlaneSlide3::HalfPlaneSlide3 ( )

inline

Definition at line 504 of file ClipSlide.cpp.

{ fName = "halfplane3"; }

Member Function Documentation

draw()

void HalfPlaneSlide3::draw ( SkCanvas *  canvas )

inlineoverride

Definition at line 520 of file ClipSlide.cpp.

                                         {
        SkM44 mx = this->get44({0, 0, 400, 400});
 
        SkPaint paint;
        paint.setColor({0.75, 0.75, 0.75, 1});
        canvas->drawPath(fPath, paint);
 
        paint.setShader(fShader);
 
        if (fShowUnclipped) {
            canvas->save();
            canvas->concat(mx);
            paint.setAlphaf(0.33f);
            canvas->drawPath(fPath, paint);
            paint.setAlphaf(1.f);
            canvas->restore();
        }
 
 
        SkColor planeColor = SK_ColorBLUE;
        SkPath clippedPath, *path = &fPath;
        if (SkPathPriv::PerspectiveClip(fPath, mx.asM33(), &clippedPath)) {
            path = &clippedPath;
            planeColor = SK_ColorRED;
        }
        canvas->save();
        canvas->concat(mx);
        canvas->drawPath(*path, paint);
        canvas->restore();
 
        SkHalfPlane hpw = half_plane_w0(mx.asM33());
        draw_halfplane(canvas, hpw, planeColor);
    }

load()

void HalfPlaneSlide3::load ( SkScalar  w, SkScalar  h  )

inlineoverride

Definition at line 506 of file ClipSlide.cpp.

                                               {
        fPath = make_path();
        fShader = ToolUtils::GetResourceAsImage("images/mandrill_128.png")
                          ->makeShader(SkSamplingOptions(), SkMatrix::Scale(3, 3));
    }

onChar()

bool HalfPlaneSlide3::onChar ( SkUnichar  uni )

inlineoverride

Definition at line 512 of file ClipSlide.cpp.

                                        {
        switch (uni) {
            case 'u': fShowUnclipped = !fShowUnclipped; return true;
            default: break;
        }
        return this->CameraSlide::onChar(uni);
    }

onClick()

bool HalfPlaneSlide3::onClick ( Click *  click )

inlineoverrideprotected

Definition at line 558 of file ClipSlide.cpp.

{ return false; }

onFindClickHandler()

Click * HalfPlaneSlide3::onFindClickHandler ( SkScalar  x, SkScalar  y, skui::ModifierKey    )

inlineoverrideprotected

Definition at line 555 of file ClipSlide.cpp.

                                                                                {
        return nullptr;
    }

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

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