primitive

package

v0.0.0-...-7aa77e1 Latest Latest Go to latest Published: Mar 4, 2021 License: MIT Imports: 19 Imported by: 0

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Repository

github.com/sekwah41/primitive

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func AverageImageColor(im image.Image) color.NRGBA
func LoadImage(path string) (image.Image, error)
func Log(level int, format string, a ...interface{})
func NumberString(x float64) string
func PreAnneal(state Annealable, iterations int) float64
func SaveFile(path, contents string) error
func SaveGIF(path string, frames []image.Image, delay, lastDelay int) error
func SaveGIFImageMagick(path string, frames []image.Image, delay, lastDelay int) error
func SaveJPG(path string, im image.Image, quality int) error
func SavePNG(path string, im image.Image) error
type Annealable
- func Anneal(state Annealable, maxTemp, minTemp float64, steps int) Annealable
- func HillClimb(state Annealable, maxAge int) Annealable
type Color
- func MakeColor(c color.Color) Color
- func MakeHexColor(x string) Color
- func (c *Color) NRGBA() color.NRGBA
type Ellipse
- func NewRandomCircle(worker *Worker) *Ellipse
- func (c *Ellipse) BORST(attrs string) string
- func (c *Ellipse) Copy() Shape
- func (c *Ellipse) Draw(dc *gg.Context, scale float64)
- func (c *Ellipse) Mutate()
- func (c *Ellipse) Rasterize() []Scanline
- func (c *Ellipse) SVG(attrs string) string
type Heatmap
- func NewHeatmap(w, h int) *Heatmap
- func (h *Heatmap) Add(lines []Scanline)
- func (h *Heatmap) AddHeatmap(a *Heatmap)
- func (h *Heatmap) Clear()
- func (h *Heatmap) Image(gamma float64) *image.Gray16
type Model
- func NewModel(target image.Image, background Color, size, numWorkers int) *Model
- func (model *Model) Add(shape Shape, alpha int)
- func (model *Model) BOSRT() string
- func (model *Model) Frames(scoreDelta float64) []image.Image
- func (model *Model) SVG() string
- func (model *Model) Step(shapeType ShapeType, alpha, repeat int) int
type Rectangle
- func NewRandomRectangle(worker *Worker) *Rectangle
- func (r *Rectangle) BORST(attrs string) string
- func (r *Rectangle) Copy() Shape
- func (r *Rectangle) Draw(dc *gg.Context, scale float64)
- func (r *Rectangle) Mutate()
- func (r *Rectangle) Rasterize() []Scanline
- func (r *Rectangle) SVG(attrs string) string
type Scanline
type Shape
type ShapeType
type State
- func NewState(worker *Worker, shape Shape, alpha int) *State
- func (state *State) Copy() Annealable
- func (state *State) DoMove() interface{}
- func (state *State) Energy() float64
- func (state *State) UndoMove(undo interface{})
type Worker
- func NewWorker(target *image.RGBA) *Worker
- func (worker *Worker) BestHillClimbState(t ShapeType, a, n, age, m int) *State
- func (worker *Worker) BestRandomState(t ShapeType, a, n int) *State
- func (worker *Worker) Energy(shape Shape, alpha int) float64
- func (worker *Worker) Init(current *image.RGBA, score float64)
- func (worker *Worker) RandomState(t ShapeType, a int) *State

Constants ¶

This section is empty.

Variables ¶

View Source

var LogLevel int

Functions ¶

func AverageImageColor ¶

func AverageImageColor(im image.Image) color.NRGBA

func LoadImage ¶

func LoadImage(path string) (image.Image, error)

func Log ¶

func Log(level int, format string, a ...interface{})

func NumberString ¶

func NumberString(x float64) string

func PreAnneal ¶

func PreAnneal(state Annealable, iterations int) float64

func SaveFile ¶

func SaveFile(path, contents string) error

func SaveGIF ¶

func SaveGIF(path string, frames []image.Image, delay, lastDelay int) error

func SaveGIFImageMagick ¶

func SaveGIFImageMagick(path string, frames []image.Image, delay, lastDelay int) error

func SaveJPG ¶

func SaveJPG(path string, im image.Image, quality int) error

func SavePNG ¶

func SavePNG(path string, im image.Image) error

Types ¶

type Annealable ¶

type Annealable interface {
	Energy() float64
	DoMove() interface{}
	UndoMove(interface{})
	Copy() Annealable
}

func Anneal ¶

func Anneal(state Annealable, maxTemp, minTemp float64, steps int) Annealable

func HillClimb ¶

func HillClimb(state Annealable, maxAge int) Annealable

type Color ¶

type Color struct {
	R, G, B, A int
}

func MakeColor ¶

func MakeColor(c color.Color) Color

func MakeHexColor ¶

func MakeHexColor(x string) Color

func (*Color) NRGBA ¶

func (c *Color) NRGBA() color.NRGBA

type Ellipse ¶

type Ellipse struct {
	Worker *Worker
	X, Y   int
	Rx, Ry int
	Circle bool
}

func NewRandomCircle ¶

func NewRandomCircle(worker *Worker) *Ellipse

func (*Ellipse) BORST ¶

func (c *Ellipse) BORST(attrs string) string

* Is actually a circle >.> not an ellipse

func (*Ellipse) Copy ¶

func (c *Ellipse) Copy() Shape

func (*Ellipse) Draw ¶

func (c *Ellipse) Draw(dc *gg.Context, scale float64)

func (*Ellipse) Mutate ¶

func (c *Ellipse) Mutate()

func (*Ellipse) Rasterize ¶

func (c *Ellipse) Rasterize() []Scanline

func (*Ellipse) SVG ¶

func (c *Ellipse) SVG(attrs string) string

type Heatmap ¶

type Heatmap struct {
	W, H  int
	Count []uint64
}

func NewHeatmap ¶

func NewHeatmap(w, h int) *Heatmap

func (*Heatmap) Add ¶

func (h *Heatmap) Add(lines []Scanline)

func (*Heatmap) AddHeatmap ¶

func (h *Heatmap) AddHeatmap(a *Heatmap)

func (*Heatmap) Clear ¶

func (h *Heatmap) Clear()

func (*Heatmap) Image ¶

func (h *Heatmap) Image(gamma float64) *image.Gray16

type Model ¶

type Model struct {
	Sw, Sh     int
	Scale      float64
	Background Color
	Target     *image.RGBA
	Current    *image.RGBA
	Context    *gg.Context
	Score      float64
	Shapes     []Shape
	Colors     []Color
	Scores     []float64
	Workers    []*Worker
}

func NewModel ¶

func NewModel(target image.Image, background Color, size, numWorkers int) *Model

func (*Model) Add ¶

func (model *Model) Add(shape Shape, alpha int)

func (*Model) BOSRT ¶

func (model *Model) BOSRT() string

func (*Model) Frames ¶

func (model *Model) Frames(scoreDelta float64) []image.Image

func (*Model) SVG ¶

func (model *Model) SVG() string

func (*Model) Step ¶

func (model *Model) Step(shapeType ShapeType, alpha, repeat int) int

type Rectangle ¶

type Rectangle struct {
	Worker *Worker
	X1, Y1 int
	X2, Y2 int
}

func NewRandomRectangle ¶

func NewRandomRectangle(worker *Worker) *Rectangle

func (*Rectangle) BORST ¶

func (r *Rectangle) BORST(attrs string) string

func (*Rectangle) Copy ¶

func (r *Rectangle) Copy() Shape

func (*Rectangle) Draw ¶

func (r *Rectangle) Draw(dc *gg.Context, scale float64)

func (*Rectangle) Mutate ¶

func (r *Rectangle) Mutate()

func (*Rectangle) Rasterize ¶

func (r *Rectangle) Rasterize() []Scanline

func (*Rectangle) SVG ¶

func (r *Rectangle) SVG(attrs string) string

type Scanline ¶

type Scanline struct {
	Y, X1, X2 int
	Alpha     uint32
}

type Shape ¶

type Shape interface {
	Rasterize() []Scanline
	Copy() Shape
	Mutate()
	Draw(dc *gg.Context, scale float64)
	SVG(attrs string) string
	BORST(attrs string) string
}

type ShapeType ¶

type ShapeType int

const (
	ShapeTypeAny ShapeType = iota
	//ShapeTypeTriangle
	ShapeTypeRectangle
	//ShapeTypeEllipse
	ShapeTypeCircle
)

type State ¶

type State struct {
	Worker      *Worker
	Shape       Shape
	Alpha       int
	MutateAlpha bool
	Score       float64
}

func NewState ¶

func NewState(worker *Worker, shape Shape, alpha int) *State

func (*State) Copy ¶

func (state *State) Copy() Annealable

func (*State) DoMove ¶

func (state *State) DoMove() interface{}

func (*State) Energy ¶

func (state *State) Energy() float64

func (*State) UndoMove ¶

func (state *State) UndoMove(undo interface{})

type Worker ¶

type Worker struct {
	W, H       int
	Target     *image.RGBA
	Current    *image.RGBA
	Buffer     *image.RGBA
	Rasterizer *raster.Rasterizer
	Lines      []Scanline
	Heatmap    *Heatmap
	Rnd        *rand.Rand
	Score      float64
	Counter    int
}

func NewWorker ¶

func NewWorker(target *image.RGBA) *Worker

func (*Worker) BestHillClimbState ¶

func (worker *Worker) BestHillClimbState(t ShapeType, a, n, age, m int) *State

func (*Worker) BestRandomState ¶

func (worker *Worker) BestRandomState(t ShapeType, a, n int) *State

func (*Worker) Energy ¶

func (worker *Worker) Energy(shape Shape, alpha int) float64

func (*Worker) Init ¶

func (worker *Worker) Init(current *image.RGBA, score float64)

func (*Worker) RandomState ¶

func (worker *Worker) RandomState(t ShapeType, a int) *State

Source Files ¶

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