freetype/emoji.go

package freetype

import (
	"image"
	"os"

	_ "image/png" // Add PNG file loading support

	"golang.org/x/image/draw"
	"golang.org/x/image/math/fixed"
)

const emojiScale = fixed.Int26_6(100)

func loadIconAtSize(path string, size fixed.Int26_6) (image.Image, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	img, _, err := image.Decode(file)
	if err != nil {
		return nil, err
	}

	scale := size.Mul(emojiScale).Round()
	scaled := image.NewRGBA(image.Rect(0, 0, scale, scale))
	draw.BiLinear.Scale(scaled, scaled.Bounds(), img, img.Bounds(), draw.Over, nil)

	return scaled, nil
}