证件照制作

复制from PIL import Image, ImageColor
import numpy as np

# 加载证件照，替换为实际路径
img = Image.open("input.jpg").convert("RGBA")

# 定义目标底色（蓝底 #438EDB）
target_color = ImageColor.getcolor("#438EDB", "RGB")

# 转换为 numpy 数组处理
data = np.array(img)
r, g, b, a = data[:,:,0], data[:,:,1], data[:,:,2], data[:,:,3]

# 简单背景替换：将原白色/浅色背景替换为目标色
# 假设原背景为白色区域（RGB 各 > 200）
mask = (r > 200) & (g > 200) & (b > 200)
data[mask, 0] = target_color[0]
data[mask, 1] = target_color[1]
data[mask, 2] = target_color[2]

# 保存结果
result = Image.fromarray(data, "RGBA")
result.save("output_blue.jpg")
print("背景已替换为蓝色")

复制package main

import (
	"fmt"
	"image"
	"image/color"
	"image/jpeg"
	"os"
)

func main() {
	// 打开输入图片
	f, _ := os.Open("input.jpg")
	defer f.Close()
	src, _, _ := image.Decode(f)

	bounds := src.Bounds()
	dst := image.NewRGBA(bounds)

	// 目标蓝色背景
	target := color.RGBA{67, 142, 219, 255}

	for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
		for x := bounds.Min.X; x < bounds.Max.X; x++ {
			r, g, b, _ := src.At(x, y).RGBA()
			// 简单判断：白色区域替换
			if r>>8 > 200 && g>>8 > 200 && b>>8 > 200 {
				dst.Set(x, y, target)
			} else {
				dst.Set(x, y, src.At(x, y))
			}
		}
	}

	out, _ := os.Create("output_blue.jpg")
	defer out.Close()
	jpeg.Encode(out, dst, nil)
	fmt.Println("背景已替换为蓝色")
}

复制const sharp = require('sharp');

async function replaceBackground() {
  const image = sharp('input.jpg');
  const { data, info } = await image.raw().toBuffer({ resolveWithObject: true });

  // 目标蓝色 (R=67, G=142, B=219)
  const targetR = 67, targetG = 142, targetB = 219;

  for (let i = 0; i < data.length; i += 3) {
    const r = data[i];
    const g = data[i + 1];
    const b = data[i + 2];
    // 简单白色背景替换
    if (r > 200 && g > 200 && b > 200) {
      data[i] = targetR;
      data[i + 1] = targetG;
      data[i + 2] = targetB;
    }
  }

  await sharp(data, { raw: { width: info.width, height: info.height, channels: 3 } })
    .jpeg()
    .toFile('output_blue.jpg');
  console.log('背景已替换为蓝色');
}

replaceBackground().catch(console.error);