添加登录和后端校验
完成后端设计（未在本仓库体现），通过安全的手段完成了登录鉴权
This commit is contained in:
@@ -0,0 +1,4 @@
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export default definePageConfig({
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navigationStyle: 'custom',
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navigationBarTitleText: '编辑贴纸'
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})
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@@ -0,0 +1,184 @@
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.sticker-edit-page {
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padding: 0 24px 24px;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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}
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.edit-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: calc(env(safe-area-inset-top, 0px) + 24px) 0 24px;
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}
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.edit-back {
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font-size: 36px;
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color: var(--text-primary);
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width: 60px;
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}
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.edit-title {
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font-size: 34px;
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font-weight: 700;
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color: var(--text-primary);
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text-align: center;
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flex: 1;
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}
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.edit-save {
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font-size: 28px;
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color: var(--accent-pink);
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font-weight: 600;
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width: 60px;
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text-align: right;
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}
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/* 画布区域 */
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.edit-canvas-wrap {
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 20px 0;
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min-height: 400px;
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}
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.edit-canvas {
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width: 100%;
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height: 500px;
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background: var(--bg-input);
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border-radius: 16px;
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}
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/* 工具面板 */
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.edit-tools {
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padding: 32px;
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}
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.edit-row {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 32px;
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}
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.edit-row:last-child {
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margin-bottom: 0;
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}
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.edit-label {
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font-size: 28px;
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font-weight: 500;
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color: var(--text-primary);
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width: 120px;
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flex-shrink: 0;
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}
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.slider-wrap {
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flex: 1;
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display: flex;
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align-items: center;
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gap: 16px;
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}
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.slider-track {
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flex: 1;
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height: 8px;
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border-radius: 4px;
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background: var(--bg-input);
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position: relative;
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}
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.slider-fill {
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height: 100%;
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border-radius: 4px;
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background: linear-gradient(90deg, #ff9a9e, #fecfef);
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position: absolute;
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left: 0;
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top: 0;
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}
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.slider-thumb {
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width: 32px;
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height: 32px;
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border-radius: 50%;
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background: #fff;
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border: 4px solid var(--accent-pink);
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position: absolute;
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top: 50%;
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transform: translate(-50%, -50%);
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box-shadow: 0 2px 8px rgba(0,0,0,0.15);
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}
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.slider-value {
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font-size: 24px;
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color: var(--text-secondary);
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min-width: 60px;
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text-align: right;
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}
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/* 快速操作按钮 */
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.edit-quick-actions {
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display: flex;
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gap: 16px;
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flex-wrap: wrap;
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}
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.quick-btn {
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padding: 16px 28px;
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border-radius: 40px;
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font-size: 24px;
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font-weight: 500;
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background: var(--bg-input);
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color: var(--text-primary);
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border: 2px dashed var(--line-star);
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transition: all 0.2s;
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}
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.quick-btn:active {
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opacity: 0.8;
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transform: scale(0.97);
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}
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.quick-btn.active {
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background: rgba(255, 154, 158, 0.12);
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border-color: var(--accent-pink);
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color: var(--accent-pink);
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}
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/* 底部操作 */
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.edit-footer {
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padding: 20px 0 calc(20px + env(safe-area-inset-bottom));
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display: flex;
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gap: 20px;
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}
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.edit-footer .btn-gradient,
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.edit-footer .btn-outline {
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flex: 1;
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text-align: center;
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padding: 24px 0;
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font-size: 28px;
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}
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/* 加载遮罩 */
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.edit-loading {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0,0,0,0.4);
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z-index: 1000;
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display: flex;
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align-items: center;
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justify-content: center;
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flex-direction: column;
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}
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.edit-loading-text {
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font-size: 28px;
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color: #fff;
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margin-top: 20px;
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}
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@@ -0,0 +1,420 @@
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import { View, Text, Canvas, Image } from '@tarojs/components'
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import Taro, { createCanvasContext, canvasToTempFilePath } from '@tarojs/taro'
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import { useState, useEffect, useRef, useCallback } from 'react'
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import './index.scss'
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import { getProductById } from '../../../utils/productConfig'
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import { getDesignList, setDesignList, updateDesign, type DesignItem, type StickerItem } from '../../../utils/store'
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import { useThemeContext } from '../../../context/ThemeContext'
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import { useSafeArea } from '../../../hooks/useSafeArea'
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import { useStatusBar } from '../../../hooks/useStatusBar'
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/* ============================================================
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使用 Canvas 实现贴纸编辑（亮度/色相/线稿）
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============================================================ */
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const clamp = (v: number, min: number, max: number) => Math.min(Math.max(v, min), max)
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/** 拖动手势滑块组件 */
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interface SliderProps {
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value: number
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min: number
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max: number
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step?: number
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onChange: (val: number) => void
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showValue?: boolean
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format?: (v: number) => string
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}
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function TouchSlider({ value, min, max, step = 1, onChange, format }: SliderProps) {
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const trackRef = useRef<any>(null)
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const [dragging, setDragging] = useState(false)
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const computedFromClientX = (clientX: number) => {
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if (!trackRef.current) return value
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const query = Taro.createSelectorQuery().in(trackRef.current)
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// 注意：这里需要取 track 元素的位置信息
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const rect = trackRef.current.getBoundingClientRect ? trackRef.current.getBoundingClientRect() : { left: 0, width: 300 }
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const ratio = clamp((clientX - rect.left) / rect.width, 0, 1)
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let raw = min + (max - min) * ratio
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if (step > 0) {
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raw = Math.round(raw / step) * step
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}
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return clamp(raw, min, max)
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}
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const handleTouchStart = (e: any) => {
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setDragging(true)
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const x = e.touches?.[0]?.clientX ?? 0
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onChange(computedFromClientX(x))
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}
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const handleTouchMove = (e: any) => {
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if (!dragging) return
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const x = e.touches?.[0]?.clientX ?? 0
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onChange(computedFromClientX(x))
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}
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const handleTouchEnd = () => {
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setDragging(false)
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}
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const pct = `${((value - min) / (max - min)) * 100}%`
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return (
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<View className='slider-wrap'>
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<View
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className='slider-track'
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ref={trackRef}
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onTouchStart={handleTouchStart}
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onTouchMove={handleTouchMove}
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onTouchEnd={handleTouchEnd}
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>
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<View className='slider-fill' style={{ width: pct }} />
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<View className={`slider-thumb ${dragging ? 'dragging' : ''}`} style={{ left: pct }} />
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</View>
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<Text className='slider-value'>{format ? format(value) : value}</Text>
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</View>
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)
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}
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export default function StickerEditPage() {
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const { resolvedTheme } = useThemeContext()
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const safe = useSafeArea()
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useStatusBar(resolvedTheme)
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const [designId, setDesignId] = useState('')
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const [stickerId, setStickerId] = useState('')
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const [sticker, setSticker] = useState<StickerItem | null>(null)
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// 编辑参数
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const [brightness, setBrightness] = useState(0)
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const [hue, setHue] = useState(0)
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const [contrast, setContrast] = useState(0)
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const [loading, setLoading] = useState(false)
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const [canvasReady, setCanvasReady] = useState(false)
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const canvasRef = useRef<any>(null)
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const ctxRef = useRef<any>(null)
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const canvasNodeRef = useRef<any>(null)
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const canvasSizeRef = useRef<{width:number, height:number}>({width:0,height:0})
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// 使用 nextTick + 重试初始化 Canvas（小程序 2D）
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const initCanvas = useCallback((st: StickerItem) => {
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if (canvasReady) return
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Taro.nextTick(() => {
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const query = Taro.createSelectorQuery()
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query.select('#editCanvas')
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.fields({ node: true, size: true })
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.exec((res: any) => {
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const canvas = res?.[0]?.node
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if (!canvas) {
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setTimeout(() => initCanvas(st), 300)
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return
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}
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const ctx = canvas.getContext('2d')
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let cw = res[0]?.width || 300
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let ch = res[0]?.height || 400
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if (cw <= 0) cw = 300
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if (ch <= 0) ch = 400
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const dpr = Taro.getSystemInfoSync().pixelRatio || 1
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canvas.width = Math.round(cw * dpr)
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canvas.height = Math.round(ch * dpr)
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ctx.scale(dpr, dpr)
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canvasNodeRef.current = canvas
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ctxRef.current = ctx
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canvasSizeRef.current = { width: cw, height: ch }
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setCanvasReady(true)
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drawSticker(ctx, cw, ch, st)
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})
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})
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}, [canvasReady])
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useEffect(() => {
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const params = Taro.getCurrentInstance().router?.params
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const dId = params?.designId as string
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const sId = params?.stickerId as string
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setDesignId(dId)
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setStickerId(sId)
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const list = getDesignList()
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const design = list.find(d => d.id === dId)
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const st = design?.designData?.stickers?.find(s => s.id === sId)
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if (st) {
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setSticker(st)
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setBrightness(st.edits?.brightness || 0)
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setHue(st.edits?.hue || 0)
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setContrast(st.edits?.contrast || 0)
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initCanvas(st)
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}
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}, [initCanvas])
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/** canvas 上绘制带滤镜的贴纸 */
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const drawSticker = (ctx: any, cw: number, ch: number, st: StickerItem, opts?: { brightness: number; hue: number; contrast: number }) => {
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if (!ctx || !canvasNodeRef.current) return
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const canvas = canvasNodeRef.current
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// 防护：cw/ch 为 0 时容易绘制异常
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if (!cw || !ch) return
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const imgW = st.width || 200
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const imgH = st.height || 200
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const img = canvas.createImage()
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img.onload = () => {
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ctx.clearRect(0, 0, cw, ch)
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ctx.save()
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// 居中缩放显示（限制最大为画板 90%）
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const scale = Math.min(cw / imgW, ch / imgH, 4) * 0.9
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const w = imgW * scale
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const h = imgH * scale
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const x = (cw - w) / 2
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const y = (ch - h) / 2
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// 应用滤镜（小程序 Canvas 2D 支持 filter 属性 2.16.0+）
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const b = opts?.brightness ?? brightness
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const hVal = opts?.hue ?? hue
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const c = opts?.contrast ?? contrast
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if (b !== 0 || hVal !== 0 || c !== 0) {
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ctx.filter = `brightness(${100 + b}%) hue-rotate(${hVal}deg) contrast(${100 + c}%)`
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} else {
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ctx.filter = 'none'
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}
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ctx.drawImage(img, x, y, w, h)
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ctx.restore()
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}
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img.onerror = (err: any) => {
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console.error('Canvas load image error:', err, st.src)
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Taro.showToast({ title: '图片加载失败', icon: 'none' })
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}
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if (st.src) {
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img.src = st.src
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}
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}
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/** 重新绘制（参数变化时） */
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const redraw = () => {
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if (!sticker || !ctxRef.current || !canvasNodeRef.current) return
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const { width, height } = canvasSizeRef.current
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drawSticker(ctxRef.current, width, height, sticker, { brightness, hue, contrast })
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}
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useEffect(() => {
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redraw()
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [brightness, hue, contrast])
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const handleSave = () => {
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if (!sticker || !designId) return
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setLoading(true)
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// 使用 Canvas 2D 导出
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// @ts-ignore
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Taro.canvasToTempFilePath({
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canvas: canvasNodeRef.current,
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quality: 0.92,
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success: (res: any) => {
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const newSrc = res.tempFilePath
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const dList = getDesignList()
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const dIdx = dList.findIndex(d => d.id === designId)
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if (dIdx === -1) { setLoading(false); return }
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const stickers = dList[dIdx].designData?.stickers || []
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const sIdx = stickers.findIndex(s => s.id === stickerId)
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if (sIdx === -1) { setLoading(false); return }
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stickers[sIdx] = {
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...stickers[sIdx],
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src: newSrc,
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edits: { brightness, hue, contrast }
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}
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updateDesign(designId, { designData: { ...dList[dIdx].designData, stickers } })
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Taro.showToast({ title: '保存成功', icon: 'success' })
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Taro.navigateBack()
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},
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fail: () => {
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setLoading(false)
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Taro.showToast({ title: '保存失败', icon: 'none' })
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}
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})
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}
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/** 裁剪：调用微信cropImage */
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const handleCrop = () => {
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if (!sticker) return
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// @ts-ignore
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if (!Taro.cropImage) {
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Taro.showToast({ title: '当前微信版本不支持裁剪', icon: 'none' })
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return
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}
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// @ts-ignore
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Taro.cropImage({
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src: sticker.src,
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cropScale: '1:1',
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success: (res) => {
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const newSticker = { ...sticker, src: res.tempFilePath }
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setSticker(newSticker)
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// 重绘
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setTimeout(() => redraw(), 200)
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}
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})
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}
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/** 线稿：预留后端AI接口 */
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const API_BASE = 'https://your-api-domain.com' // ← 填入你的服务器地址
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const handleSketch = () => {
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if (!sticker) return
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setLoading(true)
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Taro.uploadFile({
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url: `${API_BASE}/api/sketch`,
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filePath: sticker.src,
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name: 'image',
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success: (res) => {
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try {
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const data = JSON.parse(res.data)
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if (data.url) {
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const newSticker = { ...sticker, src: data.url, edits: { ...sticker.edits, sketchSrc: data.url } }
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setSticker(newSticker)
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setTimeout(() => redraw(), 200)
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Taro.showToast({ title: '线稿生成成功', icon: 'success' })
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} else {
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throw new Error('no url')
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}
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} catch {
|
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// 如果接口不可用，降级为前端灰度+边缘检测
|
||||
applyFrontendSketch()
|
||||
}
|
||||
},
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||||
fail: () => {
|
||||
applyFrontendSketch()
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
/** 前端线稿降级方案：灰度+反相高对比 */
|
||||
const applyFrontendSketch = () => {
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||||
if (!sticker || !ctxRef.current) { setLoading(false); return }
|
||||
Taro.showToast({ title: '使用本地线稿', icon: 'none' })
|
||||
setBrightness(20)
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||||
setContrast(80)
|
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setHue(0)
|
||||
setLoading(false)
|
||||
}
|
||||
|
||||
const bPct = `${((brightness + 100) / 200) * 100}%`
|
||||
const hPct = `${((hue + 180) / 360) * 100}%`
|
||||
const cPct = `${((contrast + 100) / 200) * 100}%`
|
||||
|
||||
return (
|
||||
<View className={`theme-${resolvedTheme}`}>
|
||||
<View className='sticker-edit-page'>
|
||||
{/* Header */}
|
||||
<View className='edit-header' style={{ paddingTop: `${safe.headerPaddingTop}px` }}>
|
||||
<Text className='edit-back' onTap={() => Taro.navigateBack()}>←</Text>
|
||||
<Text className='edit-title'>编辑贴纸</Text>
|
||||
<Text className='edit-save' onTap={handleSave}>保存</Text>
|
||||
</View>
|
||||
|
||||
{/* Canvas 预览 */}
|
||||
<View className='edit-canvas-wrap'>
|
||||
<Canvas
|
||||
id='editCanvas'
|
||||
type='2d'
|
||||
className='edit-canvas'
|
||||
style={{ width: '100%', height: '400px' }}
|
||||
/>
|
||||
</View>
|
||||
|
||||
{/* 快速操作 */}
|
||||
<View className='edit-tools dashed-card mt-20'>
|
||||
<View className='edit-row'>
|
||||
<Text className='edit-label'>快速操作</Text>
|
||||
<View className='edit-quick-actions'>
|
||||
<View className='quick-btn' onTap={handleCrop}>
|
||||
<Text>裁剪</Text>
|
||||
</View>
|
||||
<View className='quick-btn' onTap={handleSketch}>
|
||||
<Text>转线稿</Text>
|
||||
</View>
|
||||
</View>
|
||||
</View>
|
||||
|
||||
{/* 亮度 */}
|
||||
<View className='edit-row slider-row'
|
||||
onTouchMove={(e) => {
|
||||
const { clientX } = e.changedTouches[0]
|
||||
// 取得滑轨位置
|
||||
const query = Taro.createSelectorQuery().in(e.currentTarget as any)
|
||||
query.select('.slider-track').boundingClientRect((rect: any) => {
|
||||
if (!rect) return
|
||||
const ratio = clamp((clientX - rect.left) / rect.width, 0, 1)
|
||||
const v = Math.round((-100 + 200 * ratio) / 1) * 1
|
||||
setBrightness(clamp(v, -100, 100))
|
||||
}).exec()
|
||||
}}
|
||||
>
|
||||
<Text className='edit-label'>亮度</Text>
|
||||
<View className='slider-wrap'>
|
||||
<View className='slider-track'>
|
||||
<View className='slider-fill' style={{ width: bPct }} />
|
||||
<View className='slider-thumb' style={{ left: bPct }} />
|
||||
</View>
|
||||
<Text className='slider-value'>{brightness > 0 ? `+${brightness}` : brightness}</Text>
|
||||
</View>
|
||||
</View>
|
||||
|
||||
{/* 色相 */}
|
||||
<View className='edit-row slider-row'
|
||||
onTouchMove={(e) => {
|
||||
const { clientX } = e.changedTouches[0]
|
||||
const query = Taro.createSelectorQuery().in(e.currentTarget as any)
|
||||
query.select('.slider-track').boundingClientRect((rect: any) => {
|
||||
if (!rect) return
|
||||
const ratio = clamp((clientX - rect.left) / rect.width, 0, 1)
|
||||
const v = Math.round((-180 + 360 * ratio) / 1) * 1
|
||||
setHue(clamp(v, -180, 180))
|
||||
}).exec()
|
||||
}}
|
||||
>
|
||||
<Text className='edit-label'>色相</Text>
|
||||
<View className='slider-wrap'>
|
||||
<View className='slider-track'>
|
||||
<View className='slider-fill' style={{ width: hPct }} />
|
||||
<View className='slider-thumb' style={{ left: hPct }} />
|
||||
</View>
|
||||
<Text className='slider-value'>{hue > 0 ? `+${hue}` : hue}</Text>
|
||||
</View>
|
||||
</View>
|
||||
|
||||
{/* 对比度 */}
|
||||
<View className='edit-row slider-row'
|
||||
onTouchMove={(e) => {
|
||||
const { clientX } = e.changedTouches[0]
|
||||
const query = Taro.createSelectorQuery().in(e.currentTarget as any)
|
||||
query.select('.slider-track').boundingClientRect((rect: any) => {
|
||||
if (!rect) return
|
||||
const ratio = clamp((clientX - rect.left) / rect.width, 0, 1)
|
||||
const v = Math.round((-100 + 200 * ratio) / 1) * 1
|
||||
setContrast(clamp(v, -100, 100))
|
||||
}).exec()
|
||||
}}
|
||||
>
|
||||
<Text className='edit-label'>对比度</Text>
|
||||
<View className='slider-wrap'>
|
||||
<View className='slider-track'>
|
||||
<View className='slider-fill' style={{ width: cPct }} />
|
||||
<View className='slider-thumb' style={{ left: cPct }} />
|
||||
</View>
|
||||
<Text className='slider-value'>{contrast > 0 ? `+${contrast}` : contrast}</Text>
|
||||
</View>
|
||||
</View>
|
||||
</View>
|
||||
|
||||
<View style={{ flex: 1 }} />
|
||||
|
||||
{loading && (
|
||||
<View className='edit-loading'>
|
||||
<Text className='edit-loading-text'>处理中…</Text>
|
||||
</View>
|
||||
)}
|
||||
</View>
|
||||
</View>
|
||||
)
|
||||
}
|
||||
Reference in New Issue
Block a user