optimize

Documentation

Index

• func Optimize(w io.Writer, img image.Image, format string, opts OptimizeOptions) error
• type OptimizeOptions
  • func DefaultOptions(format string) OptimizeOptions
  • func GetOptionsForQuality(format string, level QualityLevel) OptimizeOptions
• type QualityLevel

Functions

func Optimize

func Optimize(w io.Writer, img image.Image, format string, opts OptimizeOptions) error

Optimize writes the image to the writer with optimization options

Types

type OptimizeOptions

type OptimizeOptions struct {
	Quality       int  // 1-100 for JPEG/WebP
	Progressive   bool // For JPEG
	Compression   int  // 0-9 for PNG
	StripMetadata bool // Remove EXIF and other metadata
	AutoQuality   bool // Automatically determine quality based on image content
}

func DefaultOptions

func DefaultOptions(format string) OptimizeOptions

DefaultOptions returns recommended optimization options per format

func GetOptionsForQuality

func GetOptionsForQuality(format string, level QualityLevel) OptimizeOptions

GetOptionsForQuality returns optimization options for a specific quality level

type QualityLevel

type QualityLevel string

const (
	QualityLow      QualityLevel = "low"      // 60% quality
	QualityMedium   QualityLevel = "medium"   // 75% quality
	QualityHigh     QualityLevel = "high"     // 90% quality
	QualityLossless QualityLevel = "lossless" // 100% quality
)