imagick

README

Imagick

Minimal binding of magickwand for image scaling. For more features please go here https://github.com/gographics/imagick

Dependencies

You need to install ImageMagick first.

MacPorts

sudo port install ImageMagick

Homebrew

brew install imagemagick

Ubuntu/Debian

sudo apt-get install libmagickwand-dev

Install

go get github.com/vanng822/imgscale/imagick

Documentation

Overview

Minimal binding of imagemagick for using in github.com/vanng822/imgscale/imgscale

Index

• func GetResourceLimit(resourceType ResourceType) int64
• func GetVersion() (string, uint)
• func Initialize()
• func SetResourceLimit(resourceType ResourceType, limit int64) bool
• func Terminate()
• type BooleanType
  • func (b *BooleanType) GoBool() bool
  • func (b *BooleanType) True() bool
• type CompositeOperator
• type ExceptionType
  • func (exceptionType *ExceptionType) String() string
• type MagickWand
  • func NewMagickWand() *MagickWand
  • func (mw *MagickWand) CommentImage(comment string) error
  • func (mw *MagickWand) CompositeImage(source *MagickWand, compose CompositeOperator, x, y int) error
  • func (mw *MagickWand) CropImage(width, height uint, x, y int) error
  • func (mw *MagickWand) Destroy()
  • func (mw *MagickWand) FlipImage() error
  • func (mw *MagickWand) FlopImage() error
  • func (mw *MagickWand) GetImageBlob() []byte
  • func (mw *MagickWand) GetImageHeight() uint
  • func (mw *MagickWand) GetImageMimeType() string
  • func (mw *MagickWand) GetImageOrientation() OrientationType
  • func (mw *MagickWand) GetImageProperties(pattern string) (properties []string)
  • func (mw *MagickWand) GetImageProperty(property string) string
  • func (mw *MagickWand) GetImagePropertyValues(pattern string) map[string]string
  • func (mw *MagickWand) GetImageWidth() uint
  • func (mw *MagickWand) GetLastError() error
  • func (mw *MagickWand) IdentifyImage() string
  • func (mw *MagickWand) ReadImage(filename string) error
  • func (mw *MagickWand) ReadImageBlob(blob []byte) error
  • func (mw *MagickWand) RotateImage(background *PixelWand, degrees float64) error
  • func (mw *MagickWand) ScaleImage(cols, rows uint) error
  • func (mw *MagickWand) SetImageCompressionQuality(quality uint) error
  • func (mw *MagickWand) SetImageOrientation(orientation OrientationType) error
  • func (mw *MagickWand) StripImage() error
  • func (mw *MagickWand) ThumbnailImage(cols, rows uint) error
• type MagickWandException
  • func (mwe *MagickWandException) Error() string
• type OrientationType
• type PixelWand
  • func NewPixelWand() *PixelWand
  • func (pw *PixelWand) Destroy()
• type ResourceType

Functions

func GetResourceLimit

func GetResourceLimit(resourceType ResourceType) int64

Returns the specified resource limit in megabytes.

func GetVersion

func GetVersion() (string, uint)

func Initialize

func Initialize()

func SetResourceLimit

func SetResourceLimit(resourceType ResourceType, limit int64) bool

func Terminate

func Terminate()

Types

type BooleanType

type BooleanType int

const (
	BOOLEAN_TYPE_FALSE BooleanType = C.MagickFalse
	BOOLEAN_TYPE_TRUE  BooleanType = C.MagickTrue
)

func (*BooleanType) GoBool

func (b *BooleanType) GoBool() bool

func (*BooleanType) True

func (b *BooleanType) True() bool

type CompositeOperator

type CompositeOperator int

const (
	COMPOSITE_OP_UNDEFINED         CompositeOperator = C.UndefinedCompositeOp
	COMPOSITE_OP_NO                CompositeOperator = C.NoCompositeOp
	COMPOSITE_OP_MODULUS_ADD       CompositeOperator = C.ModulusAddCompositeOp
	COMPOSITE_OP_ATOP              CompositeOperator = C.AtopCompositeOp
	COMPOSITE_OP_BLEND             CompositeOperator = C.BlendCompositeOp
	COMPOSITE_OP_BUMPMAP           CompositeOperator = C.BumpmapCompositeOp
	COMPOSITE_OP_CHANGE_MASK       CompositeOperator = C.ChangeMaskCompositeOp
	COMPOSITE_OP_CLEAR             CompositeOperator = C.ClearCompositeOp
	COMPOSITE_OP_COLOR_BURN        CompositeOperator = C.ColorBurnCompositeOp
	COMPOSITE_OP_COLOR_DODGE       CompositeOperator = C.ColorDodgeCompositeOp
	COMPOSITE_OP_COLORIZE          CompositeOperator = C.ColorizeCompositeOp
	COMPOSITE_OP_COPY_BLACK        CompositeOperator = C.CopyBlackCompositeOp
	COMPOSITE_OP_COPY_BLUE         CompositeOperator = C.CopyBlueCompositeOp
	COMPOSITE_OP_COPY              CompositeOperator = C.CopyCompositeOp
	COMPOSITE_OP_COPY_CYAN         CompositeOperator = C.CopyCyanCompositeOp
	COMPOSITE_OP_COPY_GREEN        CompositeOperator = C.CopyGreenCompositeOp
	COMPOSITE_OP_COPY_MAGENTA      CompositeOperator = C.CopyMagentaCompositeOp
	COMPOSITE_OP_COPY_OPACITY      CompositeOperator = C.CopyOpacityCompositeOp
	COMPOSITE_OP_COPY_RED          CompositeOperator = C.CopyRedCompositeOp
	COMPOSITE_OP_COPY_YELLOW       CompositeOperator = C.CopyYellowCompositeOp
	COMPOSITE_OP_DARKEN            CompositeOperator = C.DarkenCompositeOp
	COMPOSITE_OP_DST_ATOP          CompositeOperator = C.DstAtopCompositeOp
	COMPOSITE_OP_DST               CompositeOperator = C.DstCompositeOp
	COMPOSITE_OP_DST_IN            CompositeOperator = C.DstInCompositeOp
	COMPOSITE_OP_DST_OUT           CompositeOperator = C.DstOutCompositeOp
	COMPOSITE_OP_DST_OVER          CompositeOperator = C.DstOverCompositeOp
	COMPOSITE_OP_DIFFERENCE        CompositeOperator = C.DifferenceCompositeOp
	COMPOSITE_OP_DISPLACE          CompositeOperator = C.DisplaceCompositeOp
	COMPOSITE_OP_DISSOLVE          CompositeOperator = C.DissolveCompositeOp
	COMPOSITE_OP_EXCLUSION         CompositeOperator = C.ExclusionCompositeOp
	COMPOSITE_OP_HARD_LIGHT        CompositeOperator = C.HardLightCompositeOp
	COMPOSITE_OP_HUE               CompositeOperator = C.HueCompositeOp
	COMPOSITE_OP_IN                CompositeOperator = C.InCompositeOp
	COMPOSITE_OP_LIGHTEN           CompositeOperator = C.LightenCompositeOp
	COMPOSITE_OP_LINEAR_LIGHT      CompositeOperator = C.LinearLightCompositeOp
	COMPOSITE_OP_LUMINIZE          CompositeOperator = C.LuminizeCompositeOp
	COMPOSITE_OP_MINUS_DST         CompositeOperator = C.MinusDstCompositeOp
	COMPOSITE_OP_MODULATE          CompositeOperator = C.ModulateCompositeOp
	COMPOSITE_OP_MULTIPLY          CompositeOperator = C.MultiplyCompositeOp
	COMPOSITE_OP_OUT               CompositeOperator = C.OutCompositeOp
	COMPOSITE_OP_OVER              CompositeOperator = C.OverCompositeOp
	COMPOSITE_OP_OVERLAY           CompositeOperator = C.OverlayCompositeOp
	COMPOSITE_OP_PLUS              CompositeOperator = C.PlusCompositeOp
	COMPOSITE_OP_REPLACE           CompositeOperator = C.ReplaceCompositeOp
	COMPOSITE_OP_SATURATE          CompositeOperator = C.SaturateCompositeOp
	COMPOSITE_OP_SCREEN            CompositeOperator = C.ScreenCompositeOp
	COMPOSITE_OP_SOFT_LIGHT        CompositeOperator = C.SoftLightCompositeOp
	COMPOSITE_OP_SRC_ATOP          CompositeOperator = C.SrcAtopCompositeOp
	COMPOSITE_OP_SRC               CompositeOperator = C.SrcCompositeOp
	COMPOSITE_OP_SRC_IN            CompositeOperator = C.SrcInCompositeOp
	COMPOSITE_OP_SRC_OUT           CompositeOperator = C.SrcOutCompositeOp
	COMPOSITE_OP_SRC_OVER          CompositeOperator = C.SrcOverCompositeOp
	COMPOSITE_OP_MODULUS_SUBTRACT  CompositeOperator = C.ModulusSubtractCompositeOp
	COMPOSITE_OP_THRESHOLD         CompositeOperator = C.ThresholdCompositeOp
	COMPOSITE_OP_XOR               CompositeOperator = C.XorCompositeOp
	COMPOSITE_OP_DIVIDE__DST       CompositeOperator = C.DivideDstCompositeOp
	COMPOSITE_OP_DISTORT           CompositeOperator = C.DistortCompositeOp
	COMPOSITE_OP_BLUR              CompositeOperator = C.BlurCompositeOp
	COMPOSITE_OP_PEGTOP_LIGHT      CompositeOperator = C.PegtopLightCompositeOp
	COMPOSITE_OP_VIVID_LIGHT       CompositeOperator = C.VividLightCompositeOp
	COMPOSITE_OP_PIN_LIGHT         CompositeOperator = C.PinLightCompositeOp
	COMPOSITE_OP_LINEAR_DODGE      CompositeOperator = C.LinearDodgeCompositeOp
	COMPOSITE_OP_LINEAR_BURN       CompositeOperator = C.LinearBurnCompositeOp
	COMPOSITE_OP_MATHEMATICS       CompositeOperator = C.MathematicsCompositeOp
	COMPOSITE_OP_DIVIDE_SRC        CompositeOperator = C.DivideSrcCompositeOp
	COMPOSITE_OP_MINUS_SRC         CompositeOperator = C.MinusSrcCompositeOp
	COMPOSITE_OP_DARKEN_INTENSITY  CompositeOperator = C.DarkenIntensityCompositeOp
	COMPOSITE_OP_LIGHTEN_INTENSITY CompositeOperator = C.LightenIntensityCompositeOp
)

type ExceptionType

type ExceptionType int

const (
	EXCEPTION_UNDEFINED          ExceptionType = C.UndefinedException
	EXCEPTION_WARNING            ExceptionType = C.WarningException
	WARNING_RESOURCE_LIMIT       ExceptionType = C.ResourceLimitWarning
	WARNING_TYPE                 ExceptionType = C.TypeWarning
	WARNING_OPTION               ExceptionType = C.OptionWarning
	WARNING_DELEGATE             ExceptionType = C.DelegateWarning
	WARNING_MISSING_DELEGATE     ExceptionType = C.MissingDelegateWarning
	WARNING_CORRUPT_IMAGE        ExceptionType = C.CorruptImageWarning
	WARNING_FILE_OPEN            ExceptionType = C.FileOpenWarning
	WARNING_BLOB                 ExceptionType = C.BlobWarning
	WARNING_STREAM               ExceptionType = C.StreamWarning
	WARNING_CACHE                ExceptionType = C.CacheWarning
	WARNING_CODER                ExceptionType = C.CoderWarning
	WARNING_FILTER               ExceptionType = C.FilterWarning
	WARNING_MODULE               ExceptionType = C.ModuleWarning
	WARNING_DRAW                 ExceptionType = C.DrawWarning
	WARNING_IMAGE                ExceptionType = C.ImageWarning
	WARNING_WAND                 ExceptionType = C.WandWarning
	WARNING_RANDOM               ExceptionType = C.RandomWarning
	WARNING_XSERVER              ExceptionType = C.XServerWarning
	WARNING_MONITOR              ExceptionType = C.MonitorWarning
	WARNING_REGISTRY             ExceptionType = C.RegistryWarning
	WARNING_CONFIGURE            ExceptionType = C.ConfigureWarning
	WARNING_POLICY               ExceptionType = C.PolicyWarning
	EXCEPTION_ERROR              ExceptionType = C.ErrorException
	ERROR_RESOURCE_LIMIT         ExceptionType = C.ResourceLimitError
	ERROR_TYPE                   ExceptionType = C.TypeError
	ERROR_OPTION                 ExceptionType = C.OptionError
	ERROR_DELEGATE               ExceptionType = C.DelegateError
	ERROR_MISSING_DELEGATE       ExceptionType = C.MissingDelegateError
	ERROR_CORRUPT_IMAGE          ExceptionType = C.CorruptImageError
	ERROR_FILE_OPEN              ExceptionType = C.FileOpenError
	ERROR_BLOB                   ExceptionType = C.BlobError
	ERROR_STREAM                 ExceptionType = C.StreamError
	ERROR_CACHE                  ExceptionType = C.CacheError
	ERROR_CODER                  ExceptionType = C.CoderError
	ERROR_FILTER                 ExceptionType = C.FilterError
	ERROR_MODULE                 ExceptionType = C.ModuleError
	ERROR_DRAW                   ExceptionType = C.DrawError
	ERROR_IMAGE                  ExceptionType = C.ImageError
	ERROR_WAND                   ExceptionType = C.WandError
	ERROR_RANDOM                 ExceptionType = C.RandomError
	ERROR_XSERVER                ExceptionType = C.XServerError
	ERROR_MONITOR                ExceptionType = C.MonitorError
	ERROR_REGISTRY               ExceptionType = C.RegistryError
	ERROR_CONFIGURE              ExceptionType = C.ConfigureError
	ERROR_POLICY                 ExceptionType = C.PolicyError
	EXCEPTION_FATAL_ERROR        ExceptionType = C.FatalErrorException
	FATAL_ERROR_RESOURCE_LIMIT   ExceptionType = C.ResourceLimitFatalError
	FATAL_ERROR_TYPE             ExceptionType = C.TypeFatalError
	FATAL_ERROR_OPTION           ExceptionType = C.OptionFatalError
	FATAL_ERROR_DELEGATE         ExceptionType = C.DelegateFatalError
	FATAL_ERROR_MISSING_DELEGATE ExceptionType = C.MissingDelegateFatalError
	FATAL_ERROR_CORRUPT_IMAGE    ExceptionType = C.CorruptImageFatalError
	FATAL_ERROR_FILE_OPEN        ExceptionType = C.FileOpenFatalError
	FATAL_ERROR_BLOB             ExceptionType = C.BlobFatalError
	FATAL_ERROR_STREAM           ExceptionType = C.StreamFatalError
	FATAL_ERROR_CACHE            ExceptionType = C.CacheFatalError
	FATAL_ERROR_CODER            ExceptionType = C.CoderFatalError
	FATAL_ERROR_FILTER           ExceptionType = C.FilterFatalError
	FATAL_ERROR_MODULE           ExceptionType = C.ModuleFatalError
	FATAL_ERROR_DRAW             ExceptionType = C.DrawFatalError
	FATAL_ERROR_IMAGE            ExceptionType = C.ImageFatalError
	FATAL_ERROR_WAND             ExceptionType = C.WandFatalError
	FATAL_ERROR_RANDOM           ExceptionType = C.RandomFatalError
	FATAL_ERROR_XSERVER          ExceptionType = C.XServerFatalError
	FATAL_ERROR_MONITOR          ExceptionType = C.MonitorFatalError
	FATAL_ERROR_REGISTRY         ExceptionType = C.RegistryFatalError
	FATAL_ERROR_CONFIGURE        ExceptionType = C.ConfigureFatalError
	FATAL_ERROR_POLICY           ExceptionType = C.PolicyFatalError
)

func (*ExceptionType) String

func (exceptionType *ExceptionType) String() string

type MagickWand

type MagickWand struct {
	// contains filtered or unexported fields
}

func NewMagickWand

func NewMagickWand() *MagickWand

func (*MagickWand) CommentImage

func (mw *MagickWand) CommentImage(comment string) error

func (*MagickWand) CompositeImage

func (mw *MagickWand) CompositeImage(source *MagickWand, compose CompositeOperator, x, y int) error

func (*MagickWand) CropImage

func (mw *MagickWand) CropImage(width, height uint, x, y int) error

func (*MagickWand) Destroy

func (mw *MagickWand) Destroy()

func (*MagickWand) FlipImage

func (mw *MagickWand) FlipImage() error

func (*MagickWand) FlopImage

func (mw *MagickWand) FlopImage() error

func (*MagickWand) GetImageBlob

func (mw *MagickWand) GetImageBlob() []byte

func (*MagickWand) GetImageHeight

func (mw *MagickWand) GetImageHeight() uint

func (*MagickWand) GetImageMimeType

func (mw *MagickWand) GetImageMimeType() string

func (*MagickWand) GetImageOrientation

func (mw *MagickWand) GetImageOrientation() OrientationType

func (*MagickWand) GetImageProperties

func (mw *MagickWand) GetImageProperties(pattern string) (properties []string)

func (*MagickWand) GetImageProperty

func (mw *MagickWand) GetImageProperty(property string) string

func (*MagickWand) GetImagePropertyValues

func (mw *MagickWand) GetImagePropertyValues(pattern string) map[string]string

func (*MagickWand) GetImageWidth

func (mw *MagickWand) GetImageWidth() uint

func (*MagickWand) GetLastError

func (mw *MagickWand) GetLastError() error

func (*MagickWand) IdentifyImage

func (mw *MagickWand) IdentifyImage() string

func (*MagickWand) ReadImage

func (mw *MagickWand) ReadImage(filename string) error

func (*MagickWand) ReadImageBlob

func (mw *MagickWand) ReadImageBlob(blob []byte) error

func (*MagickWand) RotateImage

func (mw *MagickWand) RotateImage(background *PixelWand, degrees float64) error

func (*MagickWand) ScaleImage

func (mw *MagickWand) ScaleImage(cols, rows uint) error

func (*MagickWand) SetImageCompressionQuality

func (mw *MagickWand) SetImageCompressionQuality(quality uint) error

func (*MagickWand) SetImageOrientation

func (mw *MagickWand) SetImageOrientation(orientation OrientationType) error

func (*MagickWand) StripImage

func (mw *MagickWand) StripImage() error

func (*MagickWand) ThumbnailImage

func (mw *MagickWand) ThumbnailImage(cols, rows uint) error

type MagickWandException

type MagickWandException struct {
	// contains filtered or unexported fields
}

func (*MagickWandException) Error

func (mwe *MagickWandException) Error() string

type OrientationType

type OrientationType int

const (
	ORIENTATION_UNDEFINED    OrientationType = C.UndefinedOrientation
	ORIENTATION_TOP_LEFT     OrientationType = C.TopLeftOrientation
	ORIENTATION_TOP_RIGHT    OrientationType = C.TopRightOrientation
	ORIENTATION_BOTTOM_RIGHT OrientationType = C.BottomRightOrientation
	ORIENTATION_BOTTOM_LEFT  OrientationType = C.BottomLeftOrientation
	ORIENTATION_LEFT_TOP     OrientationType = C.LeftTopOrientation
	ORIENTATION_RIGHT_TOP    OrientationType = C.RightTopOrientation
	ORIENTATION_RIGHT_BOTTOM OrientationType = C.RightBottomOrientation
	ORIENTATION_LEFT_BOTTOM  OrientationType = C.LeftBottomOrientation
)

type PixelWand

type PixelWand struct {
	// contains filtered or unexported fields
}

func NewPixelWand

func NewPixelWand() *PixelWand

func (*PixelWand) Destroy

func (pw *PixelWand) Destroy()

type ResourceType

type ResourceType int

const (
	RESOURCE_UNDEFINED ResourceType = C.UndefinedResource
	RESOURCE_AREA      ResourceType = C.AreaResource
	RESOURCE_DISK      ResourceType = C.DiskResource
	RESOURCE_FILE      ResourceType = C.FileResource
	RESOURCE_MAP       ResourceType = C.MapResource
	RESOURCE_MEMORY    ResourceType = C.MemoryResource
)