SkIntersectionHelper Class Reference

#include <SkIntersectionHelper.h>

Public Types
enum	SegmentType {   kHorizontalLine_Segment = -1 , kVerticalLine_Segment = 0 , kLine_Segment = SkPath::kLine_Verb , kQuad_Segment = SkPath::kQuad_Verb ,   kConic_Segment = SkPath::kConic_Verb , kCubic_Segment = SkPath::kCubic_Verb }

Public Member Functions
bool	advance ()
SkScalar	bottom () const
const SkPathOpsBounds &	bounds () const
SkOpContour *	contour () const
void	init (SkOpContour *contour)
SkScalar	left () const
const SkPoint *	pts () const
SkScalar	right () const
SkOpSegment *	segment () const
SegmentType	segmentType () const
bool	startAfter (const SkIntersectionHelper &after)
SkScalar	top () const
SkScalar	weight () const
SkScalar	x () const
bool	xFlipped () const
SkScalar	y () const
bool	yFlipped () const

Detailed Description

Definition at line 18 of file SkIntersectionHelper.h.

Member Enumeration Documentation

SegmentType

enum SkIntersectionHelper::SegmentType

Enumerator
kHorizontalLine_Segment
kVerticalLine_Segment
kLine_Segment
kQuad_Segment
kConic_Segment
kCubic_Segment

Definition at line 20 of file SkIntersectionHelper.h.

                     {
        kHorizontalLine_Segment = -1,
        kVerticalLine_Segment = 0,
        kLine_Segment = SkPath::kLine_Verb,
        kQuad_Segment = SkPath::kQuad_Verb,
        kConic_Segment = SkPath::kConic_Verb,
        kCubic_Segment = SkPath::kCubic_Verb,
    };

Member Function Documentation

advance()

bool SkIntersectionHelper::advance ( )

inline

Definition at line 29 of file SkIntersectionHelper.h.

                   {
        fSegment = fSegment->next();
        return fSegment != nullptr;
    }

bottom()

SkScalar SkIntersectionHelper::bottom ( ) const

inline

Definition at line 34 of file SkIntersectionHelper.h.

                            {
        return bounds().fBottom;
    }

bounds()

const SkPathOpsBounds & SkIntersectionHelper::bounds ( ) const

inline

Definition at line 38 of file SkIntersectionHelper.h.

                                          {
        return fSegment->bounds();
    }

contour()

SkOpContour * SkIntersectionHelper::contour ( ) const

inline

Definition at line 42 of file SkIntersectionHelper.h.

                                 {
        return fSegment->contour();
    }

init()

void SkIntersectionHelper::init ( SkOpContour *  contour )

inline

Definition at line 46 of file SkIntersectionHelper.h.

                                    {
        fSegment = contour->first();
    }

left()

SkScalar SkIntersectionHelper::left ( ) const

inline

Definition at line 50 of file SkIntersectionHelper.h.

                          {
        return bounds().fLeft;
    }

pts()

const SkPoint * SkIntersectionHelper::pts ( ) const

inline

Definition at line 54 of file SkIntersectionHelper.h.

                               {
        return fSegment->pts();
    }

right()

SkScalar SkIntersectionHelper::right ( ) const

inline

Definition at line 58 of file SkIntersectionHelper.h.

                           {
        return bounds().fRight;
    }

segment()

SkOpSegment * SkIntersectionHelper::segment ( ) const

inline

Definition at line 62 of file SkIntersectionHelper.h.

                                 {
        return fSegment;
    }

segmentType()

SegmentType SkIntersectionHelper::segmentType ( ) const

inline

Definition at line 66 of file SkIntersectionHelper.h.

                                    {
        SegmentType type = (SegmentType) fSegment->verb();
        if (type != kLine_Segment) {
            return type;
        }
        if (fSegment->isHorizontal()) {
            return kHorizontalLine_Segment;
        }
        if (fSegment->isVertical()) {
            return kVerticalLine_Segment;
        }
        return kLine_Segment;
    }

startAfter()

bool SkIntersectionHelper::startAfter ( const SkIntersectionHelper &  after )

inline

Definition at line 80 of file SkIntersectionHelper.h.

                                                       {
        fSegment = after.fSegment->next();
        return fSegment != nullptr;
    }

top()

SkScalar SkIntersectionHelper::top ( ) const

inline

Definition at line 85 of file SkIntersectionHelper.h.

                         {
        return bounds().fTop;
    }

weight()

SkScalar SkIntersectionHelper::weight ( ) const

inline

Definition at line 89 of file SkIntersectionHelper.h.

                            {
        return fSegment->weight();
    }

x()

SkScalar SkIntersectionHelper::x ( ) const

inline

Definition at line 93 of file SkIntersectionHelper.h.

                       {
        return bounds().fLeft;
    }

xFlipped()

bool SkIntersectionHelper::xFlipped ( ) const

inline

Definition at line 97 of file SkIntersectionHelper.h.

                          {
        return x() != pts()[0].fX;
    }

y()

SkScalar SkIntersectionHelper::y ( ) const

inline

Definition at line 101 of file SkIntersectionHelper.h.

                       {
        return bounds().fTop;
    }

yFlipped()

bool SkIntersectionHelper::yFlipped ( ) const

inline

Definition at line 105 of file SkIntersectionHelper.h.

                          {
        return y() != pts()[0].fY;
    }

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

• third_party/skia/src/pathops/SkIntersectionHelper.h