engrave

May 4, 2023

Changes in this version

+ func Measure(c Command) image.Rectangle

+ func NewBitmap(w, h int) bitmap

type Command

+ func ConstantQR(strokeWidth, scale int, level qrcode.RecoveryLevel, content []byte) (Command, error)

+ type ConstantStringer struct

+ func NewConstantStringer(face *font.Face, em int, shortest, longest int) *ConstantStringer

+ func (c *ConstantStringer) String(txt string) Command

+ type Rect image.Rectangle

+ func (r Rect) Engrave(p Program)

type StringCmd

+ func (s *StringCmd) Measure() image.Point

Mar 28, 2023

Changes in this version

+ type Command interface

+ Engrave func(p Program)

+ func Offset(x, y float32, cmd Command) Command

+ func QR(strokeWidth float32, scale int, level qrcode.RecoveryLevel, content []byte) Command

+ func Rotate(radians float32, cmd Command) Command

+ func Scale(x, y float32, cmd Command) Command

+ type Commands []Command

+ func (c Commands) Engrave(p Program)

+ type Program interface

+ Line func(p f32.Vec2)

+ Move func(p f32.Vec2)

+ func TransformedProgram(prog Program, transform f32.Aff3) Program

+ type Rasterizer struct

+ func NewRasterizer(img draw.Image, dr image.Rectangle, strokeWidth float32) *Rasterizer

+ func (r *Rasterizer) Line(p f32.Vec2)

+ func (r *Rasterizer) Move(p f32.Vec2)

+ func (r *Rasterizer) Rasterize()

+ type StringCmd struct

+ LineHeight float32

+ func String(face *font.Face, mmPrEm float32, msg string) *StringCmd

+ func (s *StringCmd) Engrave(p Program)