Versions in this module Expand all Collapse all v0 v0.0.3 Jul 6, 2024 Changes in this version + var Black = NewUniform(color.Black) + var ErrFormat = errors.New("image: unknown format") + var ErrOption = errors.New("image: invalid options") + var Opaque = NewUniform(color.Opaque) + var OptionDecodeImage = DataDecodeOptions + var OptionDecodeMetadata = DataDecodeOptions + var Transparent = NewUniform(color.Transparent) + var White = NewUniform(color.White) + func DecodeWithOptions(ctx context.Context, r io.Reader, opts ...ReadOption) (Image, Metadata, string, error) + func RegisterFormat(name, magic string, decode func(io.Reader) (Image, error), ...) + func RegisterFormatExtended(name, magic string, ...) + type Alpha struct + Pix []uint8 + Rect Rectangle + Stride int + func NewAlpha(r Rectangle) *Alpha + func (p *Alpha) AlphaAt(x, y int) color.Alpha + func (p *Alpha) At(x, y int) color.Color + func (p *Alpha) Bounds() Rectangle + func (p *Alpha) ColorModel() color.Model + func (p *Alpha) Opaque() bool + func (p *Alpha) PixOffset(x, y int) int + func (p *Alpha) Set(x, y int, c color.Color) + func (p *Alpha) SetAlpha(x, y int, c color.Alpha) + func (p *Alpha) SubImage(r Rectangle) Image + type Alpha16 struct + Pix []uint8 + Rect Rectangle + Stride int + func NewAlpha16(r Rectangle) *Alpha16 + func (p *Alpha16) Alpha16At(x, y int) color.Alpha16 + func (p *Alpha16) At(x, y int) color.Color + func (p *Alpha16) Bounds() Rectangle + func (p *Alpha16) ColorModel() color.Model + func (p *Alpha16) Opaque() bool + func (p *Alpha16) PixOffset(x, y int) int + func (p *Alpha16) Set(x, y int, c color.Color) + func (p *Alpha16) SetAlpha16(x, y int, c color.Alpha16) + func (p *Alpha16) SubImage(r Rectangle) Image + type CMYK struct + Pix []uint8 + Rect Rectangle + Stride int + func NewCMYK(r Rectangle) *CMYK + func (p *CMYK) At(x, y int) color.Color + func (p *CMYK) Bounds() Rectangle + func (p *CMYK) CMYKAt(x, y int) color.CMYK + func (p *CMYK) ColorModel() color.Model + func (p *CMYK) Opaque() bool + func (p *CMYK) PixOffset(x, y int) int + func (p *CMYK) Set(x, y int, c color.Color) + func (p *CMYK) SetCMYK(x, y int, c color.CMYK) + func (p *CMYK) SubImage(r Rectangle) Image + type Config struct + ColorModel color.Model + Height int + Width int + func DecodeConfig(r io.Reader) (Config, string, error) + type DamageHandlingOptions struct + AllowMisorderedData bool + AllowTrailingData bool + SkipDamagedData bool + func (_ DamageHandlingOptions) IsImageReadOption() + type DataDecodeOptions struct + DecodeImage DecodingOption + DecodeMetadata DecodingOption + func (_ DataDecodeOptions) IsImageReadOption() + type DecodingOption int + const DecodeData + const DefaultDecodeOption + const DeferData + const DiscardData + type Gray struct + Pix []uint8 + Rect Rectangle + Stride int + func NewGray(r Rectangle) *Gray + func (p *Gray) At(x, y int) color.Color + func (p *Gray) Bounds() Rectangle + func (p *Gray) ColorModel() color.Model + func (p *Gray) GrayAt(x, y int) color.Gray + func (p *Gray) Opaque() bool + func (p *Gray) PixOffset(x, y int) int + func (p *Gray) Set(x, y int, c color.Color) + func (p *Gray) SetGray(x, y int, c color.Gray) + func (p *Gray) SubImage(r Rectangle) Image + type Gray16 struct + Pix []uint8 + Rect Rectangle + Stride int + func NewGray16(r Rectangle) *Gray16 + func (p *Gray16) At(x, y int) color.Color + func (p *Gray16) Bounds() Rectangle + func (p *Gray16) ColorModel() color.Model + func (p *Gray16) Gray16At(x, y int) color.Gray16 + func (p *Gray16) Opaque() bool + func (p *Gray16) PixOffset(x, y int) int + func (p *Gray16) Set(x, y int, c color.Color) + func (p *Gray16) SetGray16(x, y int, c color.Gray16) + func (p *Gray16) SubImage(r Rectangle) Image + type Image interface + At func(x, y int) color.Color + Bounds func() Rectangle + ColorModel func() color.Model + func Decode(r io.Reader) (Image, string, error) + func DecodeImage(ctx context.Context, r io.Reader, opts ...ReadOption) (Image, string, error) + type ImageTransformOptions struct + ColorTransform TransformOption + GammaTransform TransformOption + RotationTransform TransformOption + func (_ ImageTransformOptions) IsImageReadOption() + type LimitOptions struct + MaxImageSize int + MaxMetadataSize int + func (_ LimitOptions) IsImageReadOption() + func (_ LimitOptions) IsImageWriteOption() + type Metadata interface + GetConfig func() Config + ImageMetadataFormat func() string + func DecodeMetadata(ctx context.Context, r io.Reader, opts ...ReadOption) (Metadata, string, error) + type NRGBA struct + Pix []uint8 + Rect Rectangle + Stride int + func NewNRGBA(r Rectangle) *NRGBA + func (p *NRGBA) At(x, y int) color.Color + func (p *NRGBA) Bounds() Rectangle + func (p *NRGBA) ColorModel() color.Model + func (p *NRGBA) NRGBAAt(x, y int) color.NRGBA + func (p *NRGBA) Opaque() bool + func (p *NRGBA) PixOffset(x, y int) int + func (p *NRGBA) Set(x, y int, c color.Color) + func (p *NRGBA) SetNRGBA(x, y int, c color.NRGBA) + func (p *NRGBA) SubImage(r Rectangle) Image + type NRGBA64 struct + Pix []uint8 + Rect Rectangle + Stride int + func NewNRGBA64(r Rectangle) *NRGBA64 + func (p *NRGBA64) At(x, y int) color.Color + func (p *NRGBA64) Bounds() Rectangle + func (p *NRGBA64) ColorModel() color.Model + func (p *NRGBA64) NRGBA64At(x, y int) color.NRGBA64 + func (p *NRGBA64) Opaque() bool + func (p *NRGBA64) PixOffset(x, y int) int + func (p *NRGBA64) Set(x, y int, c color.Color) + func (p *NRGBA64) SetNRGBA64(x, y int, c color.NRGBA64) + func (p *NRGBA64) SubImage(r Rectangle) Image + type NYCbCrA struct + A []uint8 + AStride int + func NewNYCbCrA(r Rectangle, subsampleRatio YCbCrSubsampleRatio) *NYCbCrA + func (p *NYCbCrA) AOffset(x, y int) int + func (p *NYCbCrA) At(x, y int) color.Color + func (p *NYCbCrA) ColorModel() color.Model + func (p *NYCbCrA) NYCbCrAAt(x, y int) color.NYCbCrA + func (p *NYCbCrA) Opaque() bool + func (p *NYCbCrA) SubImage(r Rectangle) Image + type Paletted struct + Palette color.Palette + Pix []uint8 + Rect Rectangle + Stride int + func NewPaletted(r Rectangle, p color.Palette) *Paletted + func (p *Paletted) At(x, y int) color.Color + func (p *Paletted) Bounds() Rectangle + func (p *Paletted) ColorIndexAt(x, y int) uint8 + func (p *Paletted) ColorModel() color.Model + func (p *Paletted) Opaque() bool + func (p *Paletted) PixOffset(x, y int) int + func (p *Paletted) Set(x, y int, c color.Color) + func (p *Paletted) SetColorIndex(x, y int, index uint8) + func (p *Paletted) SubImage(r Rectangle) Image + type PalettedImage interface + ColorIndexAt func(x, y int) uint8 + type Point struct + X int + Y int + var ZP Point + func Pt(X, Y int) Point + func (p Point) Add(q Point) Point + func (p Point) Div(k int) Point + func (p Point) Eq(q Point) bool + func (p Point) In(r Rectangle) bool + func (p Point) Mod(r Rectangle) Point + func (p Point) Mul(k int) Point + func (p Point) String() string + func (p Point) Sub(q Point) Point + type RGBA struct + Pix []uint8 + Rect Rectangle + Stride int + func NewRGBA(r Rectangle) *RGBA + func (p *RGBA) At(x, y int) color.Color + func (p *RGBA) Bounds() Rectangle + func (p *RGBA) ColorModel() color.Model + func (p *RGBA) Opaque() bool + func (p *RGBA) PixOffset(x, y int) int + func (p *RGBA) RGBAAt(x, y int) color.RGBA + func (p *RGBA) Set(x, y int, c color.Color) + func (p *RGBA) SetRGBA(x, y int, c color.RGBA) + func (p *RGBA) SubImage(r Rectangle) Image + type RGBA64 struct + Pix []uint8 + Rect Rectangle + Stride int + func NewRGBA64(r Rectangle) *RGBA64 + func (p *RGBA64) At(x, y int) color.Color + func (p *RGBA64) Bounds() Rectangle + func (p *RGBA64) ColorModel() color.Model + func (p *RGBA64) Opaque() bool + func (p *RGBA64) PixOffset(x, y int) int + func (p *RGBA64) RGBA64At(x, y int) color.RGBA64 + func (p *RGBA64) Set(x, y int, c color.Color) + func (p *RGBA64) SetRGBA64(x, y int, c color.RGBA64) + func (p *RGBA64) SubImage(r Rectangle) Image + type ReadOption interface + IsImageReadOption func() + type Rectangle struct + Max Point + Min Point + var ZR Rectangle + func Rect(x0, y0, x1, y1 int) Rectangle + func (r Rectangle) Add(p Point) Rectangle + func (r Rectangle) At(x, y int) color.Color + func (r Rectangle) Bounds() Rectangle + func (r Rectangle) Canon() Rectangle + func (r Rectangle) ColorModel() color.Model + func (r Rectangle) Dx() int + func (r Rectangle) Dy() int + func (r Rectangle) Empty() bool + func (r Rectangle) Eq(s Rectangle) bool + func (r Rectangle) In(s Rectangle) bool + func (r Rectangle) Inset(n int) Rectangle + func (r Rectangle) Intersect(s Rectangle) Rectangle + func (r Rectangle) Overlaps(s Rectangle) bool + func (r Rectangle) Size() Point + func (r Rectangle) String() string + func (r Rectangle) Sub(p Point) Rectangle + func (r Rectangle) Union(s Rectangle) Rectangle + type TransformOption int + const ForwardImageTransform + const NoImageTransform + const ReverseImageTransform + type Uniform struct + C color.Color + func NewUniform(c color.Color) *Uniform + func (c *Uniform) At(x, y int) color.Color + func (c *Uniform) Bounds() Rectangle + func (c *Uniform) ColorModel() color.Model + func (c *Uniform) Convert(color.Color) color.Color + func (c *Uniform) Opaque() bool + func (c *Uniform) RGBA() (r, g, b, a uint32) + type WriteOption interface + IsImageWriteOption func() + type YCbCr struct + CStride int + Cb []uint8 + Cr []uint8 + Rect Rectangle + SubsampleRatio YCbCrSubsampleRatio + Y []uint8 + YStride int + func NewYCbCr(r Rectangle, subsampleRatio YCbCrSubsampleRatio) *YCbCr + func (p *YCbCr) At(x, y int) color.Color + func (p *YCbCr) Bounds() Rectangle + func (p *YCbCr) COffset(x, y int) int + func (p *YCbCr) ColorModel() color.Model + func (p *YCbCr) Opaque() bool + func (p *YCbCr) SubImage(r Rectangle) Image + func (p *YCbCr) YCbCrAt(x, y int) color.YCbCr + func (p *YCbCr) YOffset(x, y int) int + type YCbCrSubsampleRatio int + const YCbCrSubsampleRatio410 + const YCbCrSubsampleRatio411 + const YCbCrSubsampleRatio420 + const YCbCrSubsampleRatio422 + const YCbCrSubsampleRatio440 + const YCbCrSubsampleRatio444 + func (s YCbCrSubsampleRatio) String() string
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