sxtp

README

Spine Extra Texture Packer (SXTP)

Tool for packing atlases of secondary textures based on the orginal atlas layouts exported from Spine. This is mostly useful when you want to also create a atlas for masks or normals alongside your diffuse atlas exported from spine.

Documentation

Index

• func PackMasks(atlasPages []Atlas, format FileFormat, masksPath, outputPath, suffix string, ...) error
• type Angle
  • func (a Angle) Degrees() float64
  • func (a Angle) Radians() float64
• type Atlas
  • func DecodeAtlas(reader io.Reader) ([]Atlas, error)
  • func (a *Atlas) String() string
• type Bounds
  • func (b *Bounds) String() string
• type FileFormat
• type Filter
  • func (f *Filter) String() string
• type Offsets
  • func (o *Offsets) String() string
• type Sprite
  • func (a *Sprite) String() string

Functions

func PackMasks

func PackMasks(atlasPages []Atlas, format FileFormat, masksPath, outputPath, suffix string, hasAlpha bool, l *log.Logger) error

PackMasks packs a set of secondary textures using the atlas layouts passed in

Types

type Angle

type Angle float64

func (Angle) Degrees

func (a Angle) Degrees() float64

func (Angle) Radians

func (a Angle) Radians() float64

type Atlas

type Atlas struct {
	Name    string      `atlas:"name"`
	Size    image.Point `atlas:"size"`
	Format  string      `atlas:"format"`
	Filter  Filter      `atlas:"filter"`
	Scale   []float64   `atlas:"scale"`
	Repeat  string      `atlas:"repeat"`
	Pma     bool        `atlas:"pma"`
	Sprites []Sprite    `atlas:"sprites"`
}

func DecodeAtlas

func DecodeAtlas(reader io.Reader) ([]Atlas, error)

DecodeAtlas Parses a spine atlas file line by line from an io.Reader and returns a struct describing the layout

func (*Atlas) String

func (a *Atlas) String() string

type Bounds

type Bounds struct {
	Position image.Point // Position in Image
	Size     image.Point // Packed Size
}

func (*Bounds) String

func (b *Bounds) String() string

type FileFormat

type FileFormat string

const (
	FormatPNG FileFormat = "png"
	FormatJPG FileFormat = "jpg"
)

type Filter

type Filter struct {
	X, Y string
}

func (*Filter) String

func (f *Filter) String() string

type Offsets

type Offsets struct {
	Offset       image.Point // Offset (Left, Bottom)
	OriginalSize image.Point // Original Size
}

func (*Offsets) String

func (o *Offsets) String() string

type Sprite

type Sprite struct {
	Name    string  `atlas:"name"`
	Index   int     `atlas:"index"`
	Bounds  Bounds  `atlas:"bounds"`
	Offsets Offsets `atlas:"offsets"`
	Rotate  Angle   `atlas:"rotate"`
}

func (*Sprite) String

func (a *Sprite) String() string