imgutil

package
v0.0.1 Latest Latest
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Published: Jun 23, 2022 License: MIT Imports: 4 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ModifyImage

func ModifyImage(baseImg image.Image, modifier PixelModifier, opts ImageModificationOptions) image.Image

func NewMonochromeImage

func NewMonochromeImage(clr color.Color, width, height int) *image.RGBA

Types

type BlurPixelModifier

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

func NewBlurPixelModifier

func NewBlurPixelModifier(config BlurPixelModifierConfig) *BlurPixelModifier

func (*BlurPixelModifier) ModifyPixel

func (p *BlurPixelModifier) ModifyPixel(img image.Image, point image.Point) color.Color

type BlurPixelModifierConfig

type BlurPixelModifierConfig struct {
	MaxAmplitude int // recommended: 20
}

type ImageModificationOptions

type ImageModificationOptions struct {
	Padding float64 // between 0 and 1
}

type PerlinNoisePixelModifier

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

func (*PerlinNoisePixelModifier) ModifyPixel

func (p *PerlinNoisePixelModifier) ModifyPixel(img image.Image, point image.Point) color.Color

type PerlinNoisePixelModifierConfig

type PerlinNoisePixelModifierConfig struct {
	PerlinNoiseGenerator    random.PerlinNoiseGenerator
	Amplitude               float64     // recommended: 100
	OutOfFrameFallbackColor color.Color // recommended: black or white
	PositionGapDivider      float64     // recommended: 50
}

type PixelModifier

type PixelModifier interface {
	ModifyPixel(image.Image, image.Point) color.Color
}

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