vips

Dec 5, 2022

Changes in this version

+ type Config struct

+ CacheTrace bool

+ ConcurrencyLevel int

+ MaxCacheFiles int

+ MaxCacheMem int

+ MaxCacheSize int

+ ReportLeaks bool

+ VectorEnabled bool

Nov 30, 2022

Changes in this version

+ func IsLoadSupported(imageType ImageType) bool

type Image

+ func (r *Image) Bands() int

type Metadata

+ Bands int

Sep 27, 2022

Changes in this version

type Image

+ func (r *Image) RemoveExif() error

Sep 16, 2022

Changes in this version

type Image

+ func LoadImageFromMemory(buf []byte, width, height, bands int) (*Image, error)

Aug 21, 2022

Changes in this version

+ type BoolParam struct

+ func (p *BoolParam) Get() bool

+ func (p *BoolParam) Set(v bool)

+ type IntParam struct

+ func (p *IntParam) Get() int

+ func (p *IntParam) Set(v int)

+ type Param struct

+ func (p *Param) IsSet() bool

Aug 17, 2022

Changes in this version

+ type Align int

+ const AlignCenter

+ const AlignHigh

+ const AlignLow

type Image

+ func LoadImageFromSource(s *Source, params *ImportParams) (*Image, error)

+ func LoadThumbnailFromSource(s *Source, width, height int, crop Interesting, size Size, ...) (*Image, error)

+ func (r *Image) Label(text, font string, x, y, size int, align Align, color *Color, opacity float64) error

Aug 10, 2022

Changes in this version

+ const MajorVersion

+ const MicroVersion

+ const MinorVersion

+ const Version

+ var ImageMimeTypes = map[ImageType]string

+ var ImageTypes = map[ImageType]string

+ func IsAnimationSupported(imageType ImageType) bool

+ func IsSaveSupported(imageType ImageType) bool

+ func ReadVipsMemStats(stats *MemoryStats)

+ func SetLogging(handler LoggingHandlerFunction, verbosity LogLevel)

+ func Shutdown()

+ func Startup(config *config)

+ func WrapErr(err error) error

+ type Angle int

+ const Angle0

+ const Angle180

+ const Angle270

+ const Angle90

+ type Angle45 int

+ const Angle45_0

+ const Angle45_135

+ const Angle45_180

+ const Angle45_225

+ const Angle45_270

+ const Angle45_315

+ const Angle45_45

+ const Angle45_90

+ type AvifExportParams struct

+ Lossless bool

+ Quality int

+ Speed int

+ StripMetadata bool

+ func NewAvifExportParams() *AvifExportParams

+ type BlendMode int

+ const BlendModeAdd

+ const BlendModeAtop

+ const BlendModeClear

+ const BlendModeColorBurn

+ const BlendModeColorDodge

+ const BlendModeDarken

+ const BlendModeDest

+ const BlendModeDestAtop

+ const BlendModeDestIn

+ const BlendModeDestOut

+ const BlendModeDestOver

+ const BlendModeDifference

+ const BlendModeExclusion

+ const BlendModeHardLight

+ const BlendModeIn

+ const BlendModeLighten

+ const BlendModeMultiply

+ const BlendModeOut

+ const BlendModeOver

+ const BlendModeOverlay

+ const BlendModeSaturate

+ const BlendModeScreen

+ const BlendModeSoftLight

+ const BlendModeSource

+ const BlendModeXOR

+ type BoolParameter struct

+ func (p *BoolParameter) Get() bool

+ func (p *BoolParameter) Set(v bool)

+ type Color struct

+ B uint8

+ G uint8

+ R uint8

+ type ColorRGBA struct

+ A uint8

+ B uint8

+ G uint8

+ R uint8

+ type Direction int

+ const DirectionHorizontal

+ const DirectionVertical

+ type ExtendStrategy int

+ const ExtendBackground

+ const ExtendBlack

+ const ExtendCopy

+ const ExtendMirror

+ const ExtendRepeat

+ const ExtendWhite

+ type FilterFunc func(ctx context.Context, img *Image, load imagor.LoadFunc, args ...string) (err error)

+ type FilterMap map[string]FilterFunc

+ type GifExportParams struct

+ Bitdepth int

+ Dither float64

+ Effort int

+ Quality int

+ StripMetadata bool

+ func NewGifExportParams() *GifExportParams

+ type HeifExportParams struct

+ Lossless bool

+ Quality int

+ func NewHeifExportParams() *HeifExportParams

+ type Image struct

+ func LoadImageFromBuffer(buf []byte, params *ImportParams) (*Image, error)

+ func LoadImageFromFile(file string, params *ImportParams) (*Image, error)

+ func LoadThumbnailFromFile(file string, width, height int, crop Interesting, size Size, ...) (*Image, error)

+ func (r *Image) AddAlpha() error

+ func (r *Image) Close()

+ func (r *Image) ColorSpace() Interpretation

+ func (r *Image) Composite(overlay *Image, mode BlendMode, x, y int) error

+ func (r *Image) Copy() (*Image, error)

+ func (r *Image) Embed(left, top, width, height int, extend ExtendStrategy) error

+ func (r *Image) EmbedBackground(left, top, width, height int, backgroundColor *Color) error

+ func (r *Image) EmbedBackgroundRGBA(left, top, width, height int, backgroundColor *ColorRGBA) error

+ func (r *Image) Exif() map[string]any

+ func (r *Image) ExportAvif(params *AvifExportParams) ([]byte, error)

+ func (r *Image) ExportGIF(params *GifExportParams) ([]byte, error)

+ func (r *Image) ExportHeif(params *HeifExportParams) ([]byte, error)

+ func (r *Image) ExportJp2k(params *Jp2kExportParams) ([]byte, error)

+ func (r *Image) ExportJpeg(params *JpegExportParams) ([]byte, error)

+ func (r *Image) ExportPng(params *PngExportParams) ([]byte, error)

+ func (r *Image) ExportTiff(params *TiffExportParams) ([]byte, error)

+ func (r *Image) ExportWebp(params *WebpExportParams) ([]byte, error)

+ func (r *Image) ExtractArea(left, top, width, height int) error

+ func (r *Image) FindTrim(threshold float64, backgroundColor *Color) (int, int, int, int, error)

+ func (r *Image) Flatten(backgroundColor *Color) error

+ func (r *Image) Flip(direction Direction) error

+ func (r *Image) Format() ImageType

+ func (r *Image) GaussianBlur(sigma float64) error

+ func (r *Image) GetPoint(x int, y int) ([]float64, error)

+ func (r *Image) HasAlpha() bool

+ func (r *Image) Height() int

+ func (r *Image) Interpretation() Interpretation

+ func (r *Image) Linear(a, b []float64) error

+ func (r *Image) Modulate(brightness, saturation, hue float64) error

+ func (r *Image) Orientation() int

+ func (r *Image) PageHeight() int

+ func (r *Image) Pages() int

+ func (r *Image) RemoveICCProfile() error

+ func (r *Image) Replicate(across int, down int) error

+ func (r *Image) Rotate(angle Angle) error

+ func (r *Image) SetPageDelay(delay []int) error

+ func (r *Image) SetPageHeight(height int) error

+ func (r *Image) Sharpen(sigma float64, x1 float64, m2 float64) error

+ func (r *Image) Thumbnail(width, height int, crop Interesting) error

+ func (r *Image) ThumbnailWithSize(width, height int, crop Interesting, size Size) error

+ func (r *Image) ToColorSpace(interpretation Interpretation) error

+ func (r *Image) Width() int

+ type ImageType int

+ const ImageTypeAVIF

+ const ImageTypeBMP

+ const ImageTypeGIF

+ const ImageTypeHEIF

+ const ImageTypeJP2K

+ const ImageTypeJPEG

+ const ImageTypeMagick

+ const ImageTypePDF

+ const ImageTypePNG

+ const ImageTypeSVG

+ const ImageTypeTIFF

+ const ImageTypeUnknown

+ const ImageTypeWEBP

+ type ImportParams struct

+ AutoRotate BoolParameter

+ Density IntParameter

+ FailOnError BoolParameter

+ HeifThumbnail BoolParameter

+ JpegShrinkFactor IntParameter

+ NumPages IntParameter

+ Page IntParameter

+ SvgUnlimited BoolParameter

+ func NewImportParams() *ImportParams

+ func (i *ImportParams) OptionString() string

+ type IntParameter struct

+ func (p *IntParameter) Get() int

+ func (p *IntParameter) Set(v int)

+ type Intent int

+ const IntentAbsolute

+ const IntentLast

+ const IntentPerceptual

+ const IntentRelative

+ const IntentSaturation

+ type Interesting int

+ const InterestingAll

+ const InterestingAttention

+ const InterestingCentre

+ const InterestingEntropy

+ const InterestingHigh

+ const InterestingLast

+ const InterestingLow

+ const InterestingNone

+ type Interpretation int

+ const InterpretationBW

+ const InterpretationCMC

+ const InterpretationCMYK

+ const InterpretationError

+ const InterpretationFourier

+ const InterpretationGrey16

+ const InterpretationHSV

+ const InterpretationHistogram

+ const InterpretationLAB

+ const InterpretationLABQ

+ const InterpretationLABS

+ const InterpretationLCH

+ const InterpretationMatrix

+ const InterpretationMultiband

+ const InterpretationRGB

+ const InterpretationRGB16

+ const InterpretationSRGB

+ const InterpretationScRGB

+ const InterpretationXYZ

+ const InterpretationYXY

+ type Jp2kExportParams struct

+ Lossless bool

+ Quality int

+ SubsampleMode SubsampleMode

+ TileHeight int

+ TileWidth int

+ func NewJp2kExportParams() *Jp2kExportParams

+ type JpegExportParams struct

+ Interlace bool

+ OptimizeCoding bool

+ OptimizeScans bool

+ OvershootDeringing bool

+ Quality int

+ QuantTable int

+ StripMetadata bool

+ SubsampleMode SubsampleMode

+ TrellisQuant bool

+ func NewJpegExportParams() *JpegExportParams

+ type LogLevel int

+ const LogLevelCritical

+ const LogLevelDebug

+ const LogLevelError

+ const LogLevelInfo

+ const LogLevelMessage

+ const LogLevelWarning

+ type LoggingHandlerFunction func(messageDomain string, messageLevel LogLevel, message string)

+ type MemoryStats struct

+ Allocs int64

+ Files int64

+ Mem int64

+ MemHigh int64

+ type Metadata struct

+ ContentType string

+ Exif map[string]any

+ Format string

+ Height int

+ Orientation int

+ Pages int

+ Width int

+ type Option func(v *Processor)

+ func WithConcurrency(num int) Option

+ func WithDebug(debug bool) Option

+ func WithDisableBlur(disabled bool) Option

+ func WithDisableFilters(filters ...string) Option

+ func WithFilter(name string, filter FilterFunc) Option

+ func WithLogger(logger *zap.Logger) Option

+ func WithMaxAnimationFrames(num int) Option

+ func WithMaxCacheFiles(num int) Option

+ func WithMaxCacheMem(num int) Option

+ func WithMaxCacheSize(num int) Option

+ func WithMaxFilterOps(num int) Option

+ func WithMaxHeight(height int) Option

+ func WithMaxResolution(res int) Option

+ func WithMaxWidth(width int) Option

+ func WithMozJPEG(enabled bool) Option

+ type Parameter struct

+ func (p *Parameter) IsSet() bool

+ type PngExportParams struct

+ Bitdepth int

+ Compression int

+ Dither float64

+ Filter PngFilter

+ Interlace bool

+ Palette bool

+ Profile string

+ Quality int

+ StripMetadata bool

+ func NewPngExportParams() *PngExportParams

+ type PngFilter int

+ const PngFilterAll

+ const PngFilterAvg

+ const PngFilterNone

+ const PngFilterPaeth

+ const PngFilterSub

+ const PngFilterUo

+ type Processor struct

+ Concurrency int

+ Debug bool

+ DisableBlur bool

+ DisableFilters []string

+ Filters FilterMap

+ Logger *zap.Logger

+ MaxAnimationFrames int

+ MaxCacheFiles int

+ MaxCacheMem int

+ MaxCacheSize int

+ MaxFilterOps int

+ MaxHeight int

+ MaxResolution int

+ MaxWidth int

+ MozJPEG bool

+ func NewProcessor(options ...Option) *Processor

+ func (v *Processor) CheckResolution(img *Image, err error) (*Image, error)

+ func (v *Processor) FocalThumbnail(img *Image, w, h int, fx, fy float64) (err error)

+ func (v *Processor) NewImage(ctx context.Context, blob *imagor.Blob, n int) (*Image, error)

+ func (v *Processor) NewThumbnail(ctx context.Context, blob *imagor.Blob, width, height int, crop Interesting, ...) (*Image, error)

+ func (v *Processor) Process(ctx context.Context, blob *imagor.Blob, p imagorpath.Params, ...) (*imagor.Blob, error)

+ func (v *Processor) Shutdown(_ context.Context) error

+ func (v *Processor) Startup(_ context.Context) error

+ func (v *Processor) Thumbnail(img *Image, width, height int, crop Interesting, size Size) error

+ type Size int

+ const SizeBoth

+ const SizeDown

+ const SizeForce

+ const SizeLast

+ const SizeUp

+ type Source struct

+ func NewSource(reader io.ReadCloser) *Source

+ func (s *Source) Close()

+ func (s *Source) LoadImage(params *ImportParams) (*Image, error)

+ func (s *Source) LoadThumbnail(width, height int, crop Interesting, size Size, params *ImportParams) (*Image, error)

+ type SubsampleMode int

+ const VipsForeignSubsampleAuto

+ const VipsForeignSubsampleLast

+ const VipsForeignSubsampleOff

+ const VipsForeignSubsampleOn

+ type TiffCompression int

+ const TiffCompressionDeflate

+ const TiffCompressionFax4

+ const TiffCompressionJpeg

+ const TiffCompressionLzw

+ const TiffCompressionNone

+ const TiffCompressionPackbits

+ const TiffCompressionWebp

+ const TiffCompressionZstd

+ type TiffExportParams struct

+ Compression TiffCompression

+ Predictor TiffPredictor

+ Quality int

+ StripMetadata bool

+ func NewTiffExportParams() *TiffExportParams

+ type TiffPredictor int

+ const TiffPredictorFloat

+ const TiffPredictorHorizontal

+ const TiffPredictorNone

+ type WebpExportParams struct

+ IccProfile string

+ Lossless bool

+ NearLossless bool

+ Quality int

+ ReductionEffort int

+ StripMetadata bool

+ func NewWebpExportParams() *WebpExportParams