HalfPlaneCoonsSlide Class Reference

Inherits CameraSlide.

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

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

Detailed Description

Definition at line 562 of file ClipSlide.cpp.

Constructor & Destructor Documentation

HalfPlaneCoonsSlide()

HalfPlaneCoonsSlide::HalfPlaneCoonsSlide ( )

inline

Definition at line 573 of file ClipSlide.cpp.

{ fName = "halfplane-coons"; }

Member Function Documentation

draw()

void HalfPlaneCoonsSlide::draw ( SkCanvas *  canvas )

inlineoverride

Definition at line 593 of file ClipSlide.cpp.

                                         {
        SkPaint paint;
 
        canvas->save();
        canvas->concat(this->get44({0, 0, 300, 300}));
 
        const SkPoint* tex = nullptr;
        const SkColor* col = nullptr;
        if (!fShowSkeleton) {
            if (fShowTex) {
                paint.setShader(fShader);
                tex = fTex;
            } else {
                col = fColors;
            }
        }
        canvas->drawPatch(fPatch, col, tex, SkBlendMode::kSrc, paint);
        paint.setShader(nullptr);
 
        if (fShowHandles) {
            paint.setAntiAlias(true);
            paint.setStrokeCap(SkPaint::kRound_Cap);
            paint.setStrokeWidth(8);
            canvas->drawPoints(SkCanvas::kPoints_PointMode, 12, fPatch, paint);
            paint.setColor(SK_ColorWHITE);
            paint.setStrokeWidth(6);
            canvas->drawPoints(SkCanvas::kPoints_PointMode, 12, fPatch, paint);
        }
 
        canvas->restore();
    }

load()

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

inlineoverride

Definition at line 575 of file ClipSlide.cpp.

                                               {
        fPatch[0] = {   0, 0 };
        fPatch[1] = { 100, 0 };
        fPatch[2] = { 200, 0 };
        fPatch[3] = { 300, 0 };
        fPatch[4] = { 300, 100 };
        fPatch[5] = { 300, 200 };
        fPatch[6] = { 300, 300 };
        fPatch[7] = { 200, 300 };
        fPatch[8] = { 100, 300 };
        fPatch[9] = {   0, 300 };
        fPatch[10] = {  0, 200 };
        fPatch[11] = {  0, 100 };
 
        fShader = ToolUtils::GetResourceAsImage("images/mandrill_256.png")
                          ->makeShader(SkSamplingOptions());
    }

onChar()

bool HalfPlaneCoonsSlide::onChar ( SkUnichar  uni )

inlineoverride

Definition at line 625 of file ClipSlide.cpp.

                                        {
        switch (uni) {
            case 'h': fShowHandles = !fShowHandles; return true;
            case 'k': fShowSkeleton = !fShowSkeleton; return true;
            case 't': fShowTex = !fShowTex; return true;
            default: break;
        }
        return this->CameraSlide::onChar(uni);
    }

onClick()

bool HalfPlaneCoonsSlide::onClick ( Click *  click )

inlineoverrideprotected

Definition at line 651 of file ClipSlide.cpp.

{ return false; }

onFindClickHandler()

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

inlineoverrideprotected

Definition at line 636 of file ClipSlide.cpp.

                                                                                     {
        auto dist = [](SkPoint a, SkPoint b) { return (b - a).length(); };
 
        const float tol = 15;
        for (int i = 0; i < 12; ++i) {
            if (dist({x,y}, fPatch[i]) <= tol) {
                return new Click([this, i](Click* c) {
                    fPatch[i] = c->fCurr;
                    return true;
                });
            }
        }
        return nullptr;
    }

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

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