feat: 小菜记账 v1.0 - 完整功能实现
核心功能： - 记账CRUD（支出/收入/分类/备注/日期） - 统计分析（概览/分类占比/每日趋势） - 预算管理（按月设置/进度条/超支提醒） - 数据导出CSV 安全与认证： - HMAC-SHA256签名token认证 - 用户数据隔离 - 输入验证与错误处理 - CORS配置 前端优化： - 骨架屏加载 - 账单按日期分组 - 预算页面重构（快捷预设+Numpad） - SvgIcon组件（H5+微信双端适配） - 下拉刷新 后端优化： - 共享日期工具函数 - 数据库连接池优化 - 健康检查端点 - 优雅关闭处理 技术栈： - 前端：Uni-app (Vue 3 + Pinia) - 后端：Node.js + Express + MySQL
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238
scripts/gen-icons.js
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238
scripts/gen-icons.js
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/**
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* 生成 Tab Bar 图标 PNG 文件 (81x81)
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* 使用 Node.js 内置模块，无需安装额外依赖
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*/
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const fs = require('fs')
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const path = require('path')
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const zlib = require('zlib')
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const SIZE = 81
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const OUT_DIR = path.join(__dirname, '../client/src/static/icons')
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// 颜色
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const INACTIVE = [191, 179, 179] // #BFB3B3
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const ACTIVE = [255, 140, 105] // #FF8C69
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const TRANSPARENT = [0, 0, 0, 0]
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function createPNG(pixels) {
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// PNG signature
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const signature = Buffer.from([137, 80, 78, 71, 13, 10, 26, 10])
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// IHDR chunk
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const ihdr = Buffer.alloc(13)
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ihdr.writeUInt32BE(SIZE, 0)
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ihdr.writeUInt32BE(SIZE, 4)
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ihdr[8] = 8 // bit depth
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ihdr[9] = 6 // color type: RGBA
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ihdr[10] = 0 // compression
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ihdr[11] = 0 // filter
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ihdr[12] = 0 // interlace
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// Raw image data: filter byte (0) + RGBA pixels per row
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const rawData = Buffer.alloc(SIZE * (1 + SIZE * 4))
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for (let y = 0; y < SIZE; y++) {
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const rowOffset = y * (1 + SIZE * 4)
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rawData[rowOffset] = 0 // no filter
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for (let x = 0; x < SIZE; x++) {
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const srcIdx = (y * SIZE + x) * 4
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const dstIdx = rowOffset + 1 + x * 4
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rawData[dstIdx] = pixels[srcIdx]
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rawData[dstIdx + 1] = pixels[srcIdx + 1]
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rawData[dstIdx + 2] = pixels[srcIdx + 2]
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rawData[dstIdx + 3] = pixels[srcIdx + 3]
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}
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}
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const compressed = zlib.deflateSync(rawData)
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function makeChunk(type, data) {
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const typeBuffer = Buffer.from(type, 'ascii')
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const length = Buffer.alloc(4)
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length.writeUInt32BE(data.length, 0)
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const combined = Buffer.concat([typeBuffer, data])
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const crc = crc32(combined)
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return Buffer.concat([length, combined, crc])
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}
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const ihdrChunk = makeChunk('IHDR', ihdr)
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const idatChunk = makeChunk('IDAT', compressed)
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const iendChunk = makeChunk('IEND', Buffer.alloc(0))
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return Buffer.concat([signature, ihdrChunk, idatChunk, iendChunk])
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}
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// CRC32 table
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const crcTable = new Uint32Array(256)
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for (let n = 0; n < 256; n++) {
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let c = n
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for (let k = 0; k < 8; k++) {
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c = (c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1)
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}
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crcTable[n] = c
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}
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function crc32(buf) {
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let crc = 0xFFFFFFFF
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for (let i = 0; i < buf.length; i++) {
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crc = crcTable[(crc ^ buf[i]) & 0xFF] ^ (crc >>> 8)
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}
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const result = Buffer.alloc(4)
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result.writeUInt32BE((crc ^ 0xFFFFFFFF) >>> 0, 0)
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return result
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}
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function makePixels(drawFn, color) {
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const pixels = new Uint8Array(SIZE * SIZE * 4)
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// Fill transparent
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for (let i = 0; i < pixels.length; i += 4) {
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pixels[i + 3] = 0
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}
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drawFn(pixels, color)
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return pixels
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}
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function setPixel(pixels, x, y, r, g, b, a = 255) {
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if (x < 0 || x >= SIZE || y < 0 || y >= SIZE) return
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const idx = (y * SIZE + x) * 4
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// Alpha blending
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const srcA = a / 255
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const dstA = pixels[idx + 3] / 255
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const outA = srcA + dstA * (1 - srcA)
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if (outA > 0) {
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pixels[idx] = Math.round((r * srcA + pixels[idx] * dstA * (1 - srcA)) / outA)
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pixels[idx + 1] = Math.round((g * srcA + pixels[idx + 1] * dstA * (1 - srcA)) / outA)
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pixels[idx + 2] = Math.round((b * srcA + pixels[idx + 2] * dstA * (1 - srcA)) / outA)
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pixels[idx + 3] = Math.round(outA * 255)
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}
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}
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function drawLine(pixels, x0, y0, x1, y1, r, g, b, thickness = 2) {
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const dx = Math.abs(x1 - x0)
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const dy = Math.abs(y1 - y0)
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const sx = x0 < x1 ? 1 : -1
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const sy = y0 < y1 ? 1 : -1
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let err = dx - dy
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while (true) {
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for (let tx = -thickness; tx <= thickness; tx++) {
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for (let ty = -thickness; ty <= thickness; ty++) {
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if (tx * tx + ty * ty <= thickness * thickness) {
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setPixel(pixels, x0 + tx, y0 + ty, r, g, b)
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}
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}
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}
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if (x0 === x1 && y0 === y1) break
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const e2 = 2 * err
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if (e2 > -dy) { err -= dy; x0 += sx }
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if (e2 < dx) { err += dx; y0 += sy }
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}
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}
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function drawCircle(pixels, cx, cy, radius, r, g, b, filled = true) {
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for (let y = -radius; y <= radius; y++) {
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for (let x = -radius; x <= radius; x++) {
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const dist = Math.sqrt(x * x + y * y)
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if (filled ? dist <= radius : (dist >= radius - 1.5 && dist <= radius + 0.5)) {
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setPixel(pixels, cx + x, cy + y, r, g, b)
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}
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}
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}
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}
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function drawRect(pixels, x, y, w, h, r, g, b) {
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for (let dy = 0; dy < h; dy++) {
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for (let dx = 0; dx < w; dx++) {
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setPixel(pixels, x + dx, y + dy, r, g, b)
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}
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}
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}
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// === Icon drawing functions ===
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function drawHome(pixels, color) {
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const [r, g, b] = color
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const cx = 40, cy = 40
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// House body (rectangle)
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drawRect(pixels, 24, 38, 34, 26, r, g, b)
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// Roof (triangle)
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for (let i = 0; i < 20; i++) {
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drawLine(pixels, cx, 18, cx - 20 + i * 2, 38, r, g, b, 1)
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}
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// Door
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drawRect(pixels, 35, 50, 12, 14, 255, 248, 240)
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}
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function drawChart(pixels, color) {
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const [r, g, b] = color
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// Three bars
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drawRect(pixels, 18, 45, 12, 20, r, g, b)
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drawRect(pixels, 35, 30, 12, 35, r, g, b)
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drawRect(pixels, 52, 20, 12, 45, r, g, b)
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// Base line
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drawRect(pixels, 14, 65, 54, 2, r, g, b)
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}
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function drawBill(pixels, color) {
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const [r, g, b] = color
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// Document shape
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drawRect(pixels, 22, 14, 38, 54, r, g, b)
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// Inner white area
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drawRect(pixels, 28, 22, 26, 38, 255, 248, 240)
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// Lines on document
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drawRect(pixels, 31, 30, 20, 2, r, g, b)
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drawRect(pixels, 31, 38, 16, 2, r, g, b)
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drawRect(pixels, 31, 46, 20, 2, r, g, b)
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drawRect(pixels, 31, 54, 12, 2, r, g, b)
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// Corner fold
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drawLine(pixels, 52, 14, 60, 22, r, g, b, 1)
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}
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function drawUser(pixels, color) {
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const [r, g, b] = color
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// Head (circle)
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drawCircle(pixels, 40, 28, 12, r, g, b)
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// Body (half circle / arc)
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for (let x = -24; x <= 24; x++) {
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const y = Math.round(Math.sqrt(Math.max(0, 24 * 24 - x * x)))
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for (let dy = 0; dy < 3; dy++) {
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setPixel(pixels, 40 + x, 58 - y + dy, r, g, b)
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}
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}
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// Fill body
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for (let y = 48; y <= 66; y++) {
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for (let x = 16; x <= 64; x++) {
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const dx = x - 40
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const dy = y - 58
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if (dy * dy + dx * dx <= 26 * 26) {
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setPixel(pixels, x, y, r, g, b)
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}
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}
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}
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}
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// Generate all icons
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const icons = [
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{ name: 'home', draw: drawHome },
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{ name: 'chart', draw: drawChart },
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{ name: 'bill', draw: drawBill },
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{ name: 'user', draw: drawUser },
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]
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if (!fs.existsSync(OUT_DIR)) {
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fs.mkdirSync(OUT_DIR, { recursive: true })
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}
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for (const icon of icons) {
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// Inactive
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const inactivePixels = makePixels(icon.draw, INACTIVE)
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const inactivePNG = createPNG(inactivePixels)
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fs.writeFileSync(path.join(OUT_DIR, `${icon.name}.png`), inactivePNG)
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// Active
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const activePixels = makePixels(icon.draw, ACTIVE)
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const activePNG = createPNG(activePixels)
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fs.writeFileSync(path.join(OUT_DIR, `${icon.name}-active.png`), activePNG)
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console.log(`Generated: ${icon.name}.png, ${icon.name}-active.png`)
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}
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console.log('All icons generated successfully!')
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