goclipper2

package
v0.0.9 Latest Latest
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 Go to latest Published: Oct 10, 2023 License: MIT Imports: 8 Imported by: 0

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Functions

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Types

type Clipper64 

type Clipper64 struct {
	// contains filtered or unexported fields
}

func NewClipper64 

func NewClipper64() *Clipper64

func (*Clipper64) AddClip 

func (c *Clipper64) AddClip(clips Paths64)

func (*Clipper64) AddOpenSubject 

func (c *Clipper64) AddOpenSubject(open_subjects Paths64)

func (*Clipper64) AddSubject 

func (c *Clipper64) AddSubject(subjects Paths64)

func (*Clipper64) Clear 

func (c *Clipper64) Clear()

func (*Clipper64) Delete 

func (p *Clipper64) Delete()

func (*Clipper64) Destruct 

func (p *Clipper64) Destruct()

func (*Clipper64) Execute 

func (c64 *Clipper64) Execute(ct ClipperClipType, fr ClipperFillRule, closed Paths64, open Paths64) int64

func (*Clipper64) ExecuteTree 

func (c64 *Clipper64) ExecuteTree(ct ClipperClipType, fr ClipperFillRule, tree PolyTree64) int64

func (*Clipper64) ExecuteTreeWithOpen 

func (c64 *Clipper64) ExecuteTreeWithOpen(ct ClipperClipType, fr ClipperFillRule, tree PolyTree64, open Paths64) int64

func (*Clipper64) GetPreserveCollinear 

func (c *Clipper64) GetPreserveCollinear() int64

func (*Clipper64) GetReverseSolution 

func (c *Clipper64) GetReverseSolution() int64

func (*Clipper64) SetPreserveCollinear 

func (c *Clipper64) SetPreserveCollinear(t int64)

func (*Clipper64) SetReverseSolution 

func (c *Clipper64) SetReverseSolution(t int64)

type ClipperClipType 

type ClipperClipType int
const (
	None         ClipperClipType = 0
	Intersection ClipperClipType = 1
	Union        ClipperClipType = 2
	Difference   ClipperClipType = 3
	XOR          ClipperClipType = 4
)

type ClipperD 

type ClipperD struct {
	// contains filtered or unexported fields
}

func NewClipperd 

func NewClipperd(precision int64) *ClipperD

func (*ClipperD) AddClip 

func (c *ClipperD) AddClip(clips PathsD)

func (*ClipperD) AddOpenSubject 

func (c *ClipperD) AddOpenSubject(open_subjects PathsD)

func (*ClipperD) AddSubject 

func (c *ClipperD) AddSubject(subjects PathsD)

func (*ClipperD) Clear 

func (c *ClipperD) Clear()

func (*ClipperD) Delete 

func (p *ClipperD) Delete()

func (*ClipperD) Destruct 

func (p *ClipperD) Destruct()

func (*ClipperD) Execute 

func (cD *ClipperD) Execute(ct ClipperClipType, fr ClipperFillRule, closed PathsD, open PathsD) int64

func (*ClipperD) ExecuteTree 

func (cD *ClipperD) ExecuteTree(ct ClipperClipType, fr ClipperFillRule, tree PolyTreeD) int64

func (*ClipperD) ExecuteTreeWithOpen 

func (cD *ClipperD) ExecuteTreeWithOpen(ct ClipperClipType, fr ClipperFillRule, tree PolyTreeD, open PathsD) int64

func (*ClipperD) GetPreserveCollinear 

func (c *ClipperD) GetPreserveCollinear() int64

func (*ClipperD) GetReverseSolution 

func (c *ClipperD) GetReverseSolution() int64

func (*ClipperD) SetPreserveCollinear 

func (c *ClipperD) SetPreserveCollinear(t int64)

func (*ClipperD) SetReverseSolution 

func (c *ClipperD) SetReverseSolution(t int64)

type ClipperEndType 

type ClipperEndType int
const (
	PolygonEnd ClipperEndType = 0
	JoinedEnd  ClipperEndType = 1
	ButtEnd    ClipperEndType = 2
	SquareEnd  ClipperEndType = 3
	RoundEnd   ClipperEndType = 4
)

type ClipperFillRule 

type ClipperFillRule int
const (
	EvenOdd  ClipperFillRule = 0
	NonZero  ClipperFillRule = 1
	Positive ClipperFillRule = 2
	Negative ClipperFillRule = 3
)

type ClipperJoinType 

type ClipperJoinType int
const (
	SquareJoin ClipperJoinType = 0
	RoundJoin  ClipperJoinType = 1
	MiterJoin  ClipperJoinType = 2
)

type ClipperOffset 

type ClipperOffset struct {
	// contains filtered or unexported fields
}

func NewClipperoffset 

func NewClipperoffset(miter_limit float64, arc_tolerance float64, preserve_collinear int64, reverse_solution int64) *ClipperOffset

func (*ClipperOffset) AddPath64 

func (c *ClipperOffset) AddPath64(p Path64, jt ClipperJoinType, et ClipperEndType)

func (*ClipperOffset) AddPaths64 

func (c *ClipperOffset) AddPaths64(p Paths64, jt ClipperJoinType, et ClipperEndType)

func (*ClipperOffset) Clear 

func (c *ClipperOffset) Clear()

func (*ClipperOffset) Delete 

func (p *ClipperOffset) Delete()

func (*ClipperOffset) Destruct 

func (p *ClipperOffset) Destruct()

func (*ClipperOffset) ErrorCode 

func (c *ClipperOffset) ErrorCode() int64

func (*ClipperOffset) Execute 

func (c *ClipperOffset) Execute(delta float64) *Paths64

func (*ClipperOffset) ExecuteCallback added in v0.0.8 

func (co *ClipperOffset) ExecuteCallback(cb ClipperOffsetCallback) *Paths64

func (*ClipperOffset) GetArcTolerance 

func (c *ClipperOffset) GetArcTolerance() float64

func (*ClipperOffset) GetMiterLimit 

func (c *ClipperOffset) GetMiterLimit() float64

func (*ClipperOffset) GetPreserveCollinear 

func (c *ClipperOffset) GetPreserveCollinear() int64

func (*ClipperOffset) GetReverseSolution 

func (c *ClipperOffset) GetReverseSolution() int64

func (*ClipperOffset) SetArcTolerance 

func (c *ClipperOffset) SetArcTolerance(t float64)

func (*ClipperOffset) SetMiterLimit 

func (c *ClipperOffset) SetMiterLimit(l float64)

func (*ClipperOffset) SetPreserveCollinear 

func (c *ClipperOffset) SetPreserveCollinear(t int64)

func (*ClipperOffset) SetReverseSolution 

func (c *ClipperOffset) SetReverseSolution(t int64)

type ClipperOffsetCallback added in v0.0.8 

type ClipperOffsetCallback func(
	path *Path64,
	path_normals *PathD,
	curr_idx int,
	prev_idx int,
) float64

type ClipperPathType 

type ClipperPathType int
const (
	Subject ClipperPathType = 0
	Clip    ClipperPathType = 1
)

type ClipperPointInPolygonResult 

type ClipperPointInPolygonResult int
const (
	IsOn      ClipperPointInPolygonResult = 0
	IsInside  ClipperPointInPolygonResult = 1
	IsOutside ClipperPointInPolygonResult = 2
)

type Path64 

type Path64 struct {
	// contains filtered or unexported fields
}

func NewPath64 

func NewPath64() *Path64

func NewPath64Ellipse 

func NewPath64Ellipse(center Point64, radius_x float64, radius_y float64, steps int64) *Path64

func NewPath64MustOfString 

func NewPath64MustOfString(str string) *Path64

func NewPath64OfPoints 

func NewPath64OfPoints(pts []Point64) *Path64

func NewPath64OfString 

func NewPath64OfString(str string) (*Path64, error)

func (*Path64) AddPoint 

func (path *Path64) AddPoint(pt Point64)

func (*Path64) Area 

func (path *Path64) Area() float64

func (*Path64) Delete 

func (p *Path64) Delete()

func (*Path64) Destruct 

func (p *Path64) Destruct()

func (*Path64) GetPoint 

func (path *Path64) GetPoint(idx int64) Point64

func (*Path64) IsPositive 

func (path *Path64) IsPositive() int64

func (*Path64) Length 

func (path *Path64) Length() int64

func (*Path64) MinkowskiDiff 

func (pattern *Path64) MinkowskiDiff(path Path64, is_closed int64) *Paths64

func (*Path64) MinkowskiSum 

func (pattern *Path64) MinkowskiSum(path Path64, is_closed int64) *Paths64

func (*Path64) RamerDouglasPeucker 

func (path *Path64) RamerDouglasPeucker(epsilon float64) *Path64

func (*Path64) Scale 

func (path *Path64) Scale(sx float64, sy float64) (*Path64, int)

func (*Path64) ScaleToPathD 

func (p *Path64) ScaleToPathD(sx, sy float64) (*PathD, int)

func (*Path64) Simplify 

func (path *Path64) Simplify(epsilon float64, is_open_path int64) *Path64

func (*Path64) String 

func (p *Path64) String() string

func (*Path64) StripNearEqual 

func (path *Path64) StripNearEqual(max_dist_sqrd float64, is_closed_path int64) *Path64

func (*Path64) ToPathd 

func (path *Path64) ToPathd() *PathD

func (*Path64) ToPoints 

func (path *Path64) ToPoints() []Point64

func (*Path64) Translate 

func (path *Path64) Translate(dx int64, dy int64) *Path64

func (*Path64) TrimCollinear 

func (path *Path64) TrimCollinear(is_open_path int64) *Path64

type PathD 

type PathD struct {
	// contains filtered or unexported fields
}

func NewPathDOfPoints 

func NewPathDOfPoints(pts []PointD) *PathD

func NewPathd 

func NewPathd() *PathD

func NewPathdEllipse 

func NewPathdEllipse(center PointD, radius_x float64, radius_y float64, steps int64) *PathD

func (*PathD) AddPoint 

func (path *PathD) AddPoint(pt PointD)

func (*PathD) Area 

func (path *PathD) Area() float64

func (*PathD) Delete 

func (p *PathD) Delete()

func (*PathD) Destruct 

func (p *PathD) Destruct()

func (*PathD) GetPoint 

func (path *PathD) GetPoint(idx int64) PointD

func (*PathD) IsPositive 

func (path *PathD) IsPositive() int64

func (*PathD) Length 

func (path *PathD) Length() int64

func (*PathD) MinkowskiDiff 

func (pattern *PathD) MinkowskiDiff(path PathD, is_closed int64, precision int64) *PathsD

func (*PathD) MinkowskiSum 

func (pattern *PathD) MinkowskiSum(path PathD, is_closed int64, precision int64) *PathsD

func (*PathD) RamerDouglasPeucker 

func (path *PathD) RamerDouglasPeucker(epsilon float64) *PathD

func (*PathD) Scale 

func (path *PathD) Scale(sx float64, sy float64) (*PathD, int)

func (*PathD) ScaleToPath64 

func (p *PathD) ScaleToPath64(sx, sy float64) (*Path64, int)

func (*PathD) Simplify 

func (path *PathD) Simplify(epsilon float64, is_open_path int64) *PathD

func (*PathD) StripNearEqual 

func (path *PathD) StripNearEqual(max_dist_sqrd float64, is_closed_path int64) *PathD

func (*PathD) ToPath64 

func (path *PathD) ToPath64() *Path64

func (*PathD) ToPoints 

func (path *PathD) ToPoints() []PointD

func (*PathD) Translate 

func (path *PathD) Translate(dx float64, dy float64) *PathD

func (*PathD) TrimCollinear 

func (path *PathD) TrimCollinear(precision int64, is_open_path int64) *PathD

type Paths64 

type Paths64 struct {
	// contains filtered or unexported fields
}

func NewPaths64 

func NewPaths64() *Paths64

func NewPaths64OfPaths 

func NewPaths64OfPaths(pths []Path64) *Paths64

func (*Paths64) AddPath 

func (paths *Paths64) AddPath(p Path64)

func (*Paths64) Area 

func (paths *Paths64) Area() float64

func (*Paths64) BooleanOp 

func (subjects *Paths64) BooleanOp(clipType ClipperClipType, fillRule ClipperFillRule, clips *Paths64) *Paths64

func (*Paths64) BooleanOpTree 

func (subjects *Paths64) BooleanOpTree(clipType ClipperClipType, fillRule ClipperFillRule, clips *Paths64) *PolyTree64

func (*Paths64) Bounds 

func (paths *Paths64) Bounds() *Rect64

func (*Paths64) Delete 

func (p *Paths64) Delete()

func (*Paths64) Destruct 

func (p *Paths64) Destruct()

func (*Paths64) Difference 

func (subjects *Paths64) Difference(clips Paths64, fillrule ClipperFillRule) *Paths64

func (*Paths64) GetPath 

func (paths *Paths64) GetPath(idx int64) *Path64

func (*Paths64) GetPoint 

func (paths *Paths64) GetPoint(path_idx int64, point_idx int64) Point64

func (*Paths64) Inflate 

func (paths *Paths64) Inflate(delta float64, jt ClipperJoinType, et ClipperEndType, miter_limit float64) *Paths64

func (*Paths64) Intersect 

func (subjects *Paths64) Intersect(clips Paths64, fillrule ClipperFillRule) *Paths64

func (*Paths64) Length 

func (paths *Paths64) Length() int64

func (*Paths64) Lengths 

func (paths *Paths64) Lengths() []int64

func (*Paths64) PathLength 

func (paths *Paths64) PathLength(idx int64) int64

func (*Paths64) RamerDouglasPeucker 

func (paths *Paths64) RamerDouglasPeucker(epsilon float64) *Paths64

func (*Paths64) Scale 

func (path *Paths64) Scale(sx float64, sy float64) (*Paths64, int)

func (*Paths64) ScaleToPathsD 

func (p *Paths64) ScaleToPathsD(sx, sy float64) (*PathsD, int)

func (*Paths64) Simplify 

func (paths *Paths64) Simplify(epsilon float64, is_open_paths int64) *Paths64

func (*Paths64) String 

func (p *Paths64) String() string

func (*Paths64) StripNearEqual 

func (paths *Paths64) StripNearEqual(max_dist_sqrd float64, is_closed_paths int64) *Paths64

func (*Paths64) ToPathsd 

func (paths *Paths64) ToPathsd() *PathsD

func (*Paths64) ToPoints 

func (p *Paths64) ToPoints() [][]Point64

func (*Paths64) Translate 

func (paths *Paths64) Translate(dx int64, dy int64) *Paths64

func (*Paths64) Union 

func (subjects *Paths64) Union(clips Paths64, fillrule ClipperFillRule) *Paths64

func (*Paths64) Xor 

func (subjects *Paths64) Xor(clips Paths64, fillrule ClipperFillRule) *Paths64

type PathsD 

type PathsD struct {
	// contains filtered or unexported fields
}

func NewPathsd 

func NewPathsd() *PathsD

func NewPathsdOfPaths 

func NewPathsdOfPaths(pths []PathD) *PathsD

func (*PathsD) AddPath 

func (paths *PathsD) AddPath(p PathD)

func (*PathsD) Area 

func (paths *PathsD) Area() float64

func (*PathsD) BooleanOp 

func (subjects *PathsD) BooleanOp(clipType ClipperClipType, fillRule ClipperFillRule, clips *PathsD, decimalPrec int) *PathsD

func (*PathsD) BooleanOpTree 

func (subjects *PathsD) BooleanOpTree(clipType ClipperClipType, fillRule ClipperFillRule, clips *PathsD, decimalPrec int) *PolyTreeD

func (*PathsD) Delete 

func (p *PathsD) Delete()

func (*PathsD) Destruct 

func (p *PathsD) Destruct()

func (*PathsD) Difference 

func (subjects *PathsD) Difference(clips PathsD, fillrule ClipperFillRule, decimal_prec int64) *PathsD

func (*PathsD) GetPath 

func (paths *PathsD) GetPath(idx int64) *PathD

func (*PathsD) GetPoint 

func (paths *PathsD) GetPoint(path_idx int64, point_idx int64) PointD

func (*PathsD) Inflate 

func (paths *PathsD) Inflate(delta float64, jt ClipperJoinType, et ClipperEndType, miter_limit float64, precision int64) *PathsD

func (*PathsD) Intersect 

func (subjects *PathsD) Intersect(clips PathsD, fillrule ClipperFillRule, decimal_prec int64) *PathsD

func (*PathsD) Length 

func (paths *PathsD) Length() int64

func (*PathsD) Lengths 

func (paths *PathsD) Lengths() []int64

func (*PathsD) PathLength 

func (paths *PathsD) PathLength(idx int64) int64

func (*PathsD) RamerDouglasPeucker 

func (paths *PathsD) RamerDouglasPeucker(epsilon float64) *PathsD

func (*PathsD) Scale 

func (path *PathsD) Scale(sx float64, sy float64) (*PathsD, int)

func (*PathsD) ScaleToPaths64 

func (p *PathsD) ScaleToPaths64(sx, sy float64) (*Paths64, int)

func (*PathsD) Simplify 

func (paths *PathsD) Simplify(epsilon float64, is_open_paths int64) *PathsD

func (*PathsD) StripNearEqual 

func (paths *PathsD) StripNearEqual(max_dist_sqrd float64, is_closed_paths int64) *PathsD

func (*PathsD) ToPaths64 

func (paths *PathsD) ToPaths64() *Paths64

func (*PathsD) ToPoints 

func (p *PathsD) ToPoints() [][]PointD

func (*PathsD) Translate 

func (paths *PathsD) Translate(dx float64, dy float64) *PathsD

func (*PathsD) Union 

func (subjects *PathsD) Union(clips PathsD, fillrule ClipperFillRule, decimal_prec int64) *PathsD

func (*PathsD) Xor 

func (subjects *PathsD) Xor(clips PathsD, fillrule ClipperFillRule, decimal_prec int64) *PathsD

type Point64 

type Point64 struct {
	// contains filtered or unexported fields
}

func NewPoint64 

func NewPoint64(x, y int64) *Point64

func (*Point64) Distance 

func (a *Point64) Distance(b Point64) float64

func (*Point64) InPath64 

func (p *Point64) InPath64(path *Path64) ClipperPointInPolygonResult

func (*Point64) NearCollinear 

func (a *Point64) NearCollinear(b Point64, c Point64, sin_sqrd_min_angle_rads float64) int64

func (*Point64) String 

func (p *Point64) String() string

func (*Point64) X added in v0.0.2 

func (p *Point64) X() int64

func (*Point64) Y added in v0.0.2 

func (p *Point64) Y() int64

type PointD 

type PointD struct {
	// contains filtered or unexported fields
}

func NewPointD 

func NewPointD(x, y float64) *PointD

func (*PointD) Distance 

func (a *PointD) Distance(b PointD) float64

func (*PointD) InPath64 

func (p *PointD) InPath64(path *PathD) ClipperPointInPolygonResult

func (*PointD) NearCollinear 

func (a *PointD) NearCollinear(b PointD, c PointD, sin_sqrd_min_angle_rads float64) int64

func (*PointD) String added in v0.0.2 

func (p *PointD) String() string

func (*PointD) X added in v0.0.2 

func (p *PointD) X() float64

func (*PointD) Y added in v0.0.2 

func (p *PointD) Y() float64

type PolyTree64 

type PolyTree64 struct {
	// contains filtered or unexported fields
}

func NewPolytree64 

func NewPolytree64(parent PolyTree64) *PolyTree64

func (*PolyTree64) AddChild 

func (pt *PolyTree64) AddChild(path Path64) *PolyTree64

func (*PolyTree64) Area 

func (pt *PolyTree64) Area() float64

func (*PolyTree64) Clear 

func (pt *PolyTree64) Clear()

func (*PolyTree64) Count 

func (pt *PolyTree64) Count() int64

func (*PolyTree64) Delete 

func (p *PolyTree64) Delete()

func (*PolyTree64) Destruct 

func (p *PolyTree64) Destruct()

func (*PolyTree64) FullyContainsChildren 

func (pt *PolyTree64) FullyContainsChildren() int64

func (*PolyTree64) GetChild 

func (pt *PolyTree64) GetChild(idx int64) *PolyTree64

func (*PolyTree64) IsHole 

func (pt *PolyTree64) IsHole() int64

func (*PolyTree64) Level 

func (pt *PolyTree64) Level() int64

func (*PolyTree64) Parent 

func (pt *PolyTree64) Parent() *PolyTree64

func (*PolyTree64) Polygon 

func (pt *PolyTree64) Polygon() *Path64

func (*PolyTree64) ToPaths 

func (pt *PolyTree64) ToPaths() *Paths64

type PolyTreeD 

type PolyTreeD struct {
	// contains filtered or unexported fields
}

func NewPolytreed 

func NewPolytreed(parent PolyTreeD) *PolyTreeD

func (*PolyTreeD) AddChild 

func (pt *PolyTreeD) AddChild(path Path64) *PolyTreeD

func (*PolyTreeD) Area 

func (pt *PolyTreeD) Area() float64

func (*PolyTreeD) Clear 

func (pt *PolyTreeD) Clear()

func (*PolyTreeD) Count 

func (pt *PolyTreeD) Count() int64

func (*PolyTreeD) Delete 

func (p *PolyTreeD) Delete()

func (*PolyTreeD) Destruct 

func (p *PolyTreeD) Destruct()

func (*PolyTreeD) GetChild 

func (pt *PolyTreeD) GetChild(idx int64) *PolyTreeD

func (*PolyTreeD) IsHole 

func (pt *PolyTreeD) IsHole() int64

func (*PolyTreeD) Level 

func (pt *PolyTreeD) Level() int64

func (*PolyTreeD) Parent 

func (pt *PolyTreeD) Parent() *PolyTreeD

func (*PolyTreeD) Polygon 

func (pt *PolyTreeD) Polygon() *PathD

func (*PolyTreeD) ToPaths 

func (pt *PolyTreeD) ToPaths() *PathsD

type Rect64 

type Rect64 struct {
	// contains filtered or unexported fields
}

func NewRect64 

func NewRect64(left int64, top int64, right int64, bottom int64) *Rect64

func (*Rect64) AsPath 

func (r *Rect64) AsPath() *Path64

func (*Rect64) ContainsPt 

func (r *Rect64) ContainsPt(pt Point64) int64

func (*Rect64) ContainsRect 

func (a *Rect64) ContainsRect(b Rect64) int64

func (*Rect64) Delete 

func (p *Rect64) Delete()

func (*Rect64) Destruct 

func (p *Rect64) Destruct()

func (*Rect64) Height 

func (r *Rect64) Height() int64

func (*Rect64) Intersects 

func (a *Rect64) Intersects(b Rect64) int64

func (*Rect64) IsEmpty 

func (r *Rect64) IsEmpty() int64

func (*Rect64) Midpoint 

func (r *Rect64) Midpoint() Point64

func (*Rect64) Scale 

func (r *Rect64) Scale(scale float64) *Rect64

func (*Rect64) ScaleMut 

func (r *Rect64) ScaleMut(scale float64)

func (*Rect64) ToStruct 

func (rect *Rect64) ToStruct() Rect64

func (*Rect64) Width 

func (r *Rect64) Width() int64

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