朋友圈封面

复制from PIL import Image, ImageDraw, ImageFont

# 在背景图上绘制文字并保存为朋友圈封面尺寸（1080×1920）
bg = Image.new('RGB', (1080, 1920), '#f0f0f0')
draw = ImageDraw.Draw(bg)
text = '你好，朋友圈'
font = ImageFont.truetype('NotoSansSC-Regular.ttf', 80)
# 居中绘制文字
bbox = draw.textbbox((0, 0), text, font=font)
tw, th = bbox[2] - bbox[0], bbox[3] - bbox[1]
x, y = (1080 - tw) // 2, (1920 - th) // 2
draw.text((x, y), text, fill='#333333', font=font)
bg.save('cover.png')

复制package main

import (
	"image"
	"image/color"
	"image/draw"
	"image/png"
	"os"
	"golang.org/x/image/font"
	"golang.org/x/image/font/basicfont"
	"golang.org/x/image/math/fixed"
)

func main() {
	// 创建 1080x1920 纯色背景
	bg := image.NewRGBA(image.Rect(0, 0, 1080, 1920))
	draw.Draw(bg, bg.Bounds(), &image.Uniform{color.RGBA{240, 240, 240, 255}}, image.Point{}, draw.Src)
	// 绘制文字（使用内置等宽字体，实际应加载中文字体）
	point := fixed.Point26_6{X: fixed.I(100), Y: fixed.I(960)}
	d := &font.Drawer{
		Dst:  bg,
		Src:  image.NewUniform(color.RGBA{51, 51, 51, 255}),
		Face: basicfont.Face7x13,
		Dot:  point,
	}
	d.DrawString("Hello, 朋友圈")
	// 保存为 PNG
	f, _ := os.Create("cover.png")
	defer f.Close()
	png.Encode(f, bg)
}

复制const { createCanvas, loadImage, registerFont } = require('canvas');
const fs = require('fs');

// 注册中文字体（需提前安装）
registerFont('./NotoSansSC-Regular.ttf', { family: 'Noto Sans SC' });

async function generateCover(text) {
  const canvas = createCanvas(1080, 1920);
  const ctx = canvas.getContext('2d');
  // 填充背景
  ctx.fillStyle = '#f0f0f0';
  ctx.fillRect(0, 0, 1080, 1920);
  // 绘制居中文字
  ctx.font = '80px "Noto Sans SC"';
  ctx.fillStyle = '#333333';
  ctx.textAlign = 'center';
  ctx.textBaseline = 'middle';
  ctx.fillText(text, 540, 960);
  // 导出为 PNG
  const buffer = canvas.toBuffer('image/png');
  fs.writeFileSync('cover.png', buffer);
}

generateCover('你好，朋友圈').catch(console.error);