j40

package module

v0.0.0-...-ca6f4d7 Latest Latest Go to latest Published: Sep 21, 2022 License: MIT Imports: 2 Imported by: 0

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Repository

github.com/gen2brain/jxl

Documentation ¶

Overview ¶

Package j40 is independent, self-contained JPEG XL decoder.

Index ¶

Constants
func ErrorString(image *Image) string
func Free(image *Image)
func NextFrame(image *Image) int32
func Row(pixels Pixels, y int32) []byte
type Err
type Frame
- func CurrentFrame(image *Image) *Frame
type Image
type Pixels
- func FramePixels(frame *Frame, channel int32) Pixels

Constants ¶

View Source

const (
	U8x4 = 0x0f33
	Rgba = 0x1755
)

Constants .

Variables ¶

This section is empty.

Functions ¶

func ErrorString ¶

func ErrorString(image *Image) string

ErrorString .

func Free ¶

func Free(image *Image)

Free .

func NextFrame ¶

func NextFrame(image *Image) int32

NextFrame .

func Row ¶

func Row(pixels Pixels, y int32) []byte

Row .

Types ¶

type Err ¶

type Err uint32

Err .

func Error ¶

func Error(image *Image) Err

Error .

func FromFile ¶

func FromFile(image *Image, path string) Err

FromFile .

func FromMemory ¶

func FromMemory(image *Image, buf unsafe.Pointer, size uint32) Err

FromMemory .

func OutputFormat ¶

func OutputFormat(image *Image, channel int32, format int32) Err

OutputFormat .

type Frame ¶

type Frame struct {
	Magic    uint32
	Reserved uint32
	// contains filtered or unexported fields
}

Frame .

func CurrentFrame ¶

func CurrentFrame(image *Image) *Frame

CurrentFrame .

type Image ¶

type Image struct {
	Magic uint32
	// contains filtered or unexported fields
}

Image .

type Pixels ¶

type Pixels struct {
	Width  int32
	Height int32
	Stride int32
	Data   unsafe.Pointer
}

Pixels .

func FramePixels ¶

func FramePixels(frame *Frame, channel int32) Pixels

FramePixels .

Source Files ¶

View all Source files

j40.go

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