From 41f508ebc1471628b0421342109084ab637f5a9d Mon Sep 17 00:00:00 2001
From: lefengyang <lefengyang@tencent.com>
Date: Mon, 17 Aug 2026 05:31:18 +0800
Subject: [PATCH] 制作动画功能优化
---
ledApp/pages/addTemplate/addTemplate.vue | 203 ++++++++++++++++++++++++++++++++++++++------------
1 files changed, 155 insertions(+), 48 deletions(-)
diff --git a/ledApp/pages/addTemplate/addTemplate.vue b/ledApp/pages/addTemplate/addTemplate.vue
index 6b7303e..f5c0355 100644
--- a/ledApp/pages/addTemplate/addTemplate.vue
+++ b/ledApp/pages/addTemplate/addTemplate.vue
@@ -127,8 +127,13 @@
<view class="back_btn" @click="popupAnimationClose">
<uv-icon name="arrow-leftward" color="#333" size="30"></uv-icon>
</view>
+ <!-- 操作按钮 -->
+ <view class="controls" style="left: 30rpx;">
+ <uv-button type="success" :plain="true" :text="showControls ? '收回' : '操作'" @click="toggleControls"></uv-button>
+ </view>
+
<!-- 动画按钮 -->
- <view class="controls">
+ <view class="controls" v-if="showControls">
<uv-button type="primary" :plain="true" text="分辨率" @click="changeRatio()"></uv-button>
<uv-button type="primary" :plain="true" text="颜色" @click="changeColor()"></uv-button>
<uv-button type="primary" :plain="true" text="添加文字" @click="addText()"></uv-button>
@@ -138,17 +143,26 @@
<!-- 文字生成图形 -->
<canvas canvas-id="myCanvas" id="myCanvas" class="canvas" :style="{ width: canvasWidth + 'px', height: canvasHeight + 'px' }"></canvas>
+ <!-- canvasWidth:{{ canvasWidth }} | canvasHeight:{{ canvasHeight }} -->
- <view class="pixel_grid" @touchstart.prevent="handleTouchStart" @touchmove.prevent="handleTouchMove"
- @touchend.prevent="handleTouchEnd" @touchcancel.prevent="handleTouchEnd"
- :style="{
- gridTemplateRows: `repeat(${height}, 1fr)`,
- gridTemplateColumns: `repeat(${width}, 1fr)`
- }">
- <view class="pixel_cell" v-for="(cell, cellIndex) in pixelData" :key="cellIndex">
- <view class="pixel_cell_item" :style="{ backgroundColor: cell }"></view>
+ <!-- 点阵图 -->
+ <scroll-view scroll-x @scroll="handleScroll">
+ <view
+ class="pixel_grid"
+ @touchstart.prevent="handleTouchStart"
+ @touchmove.prevent="handleTouchMove"
+ @touchend.prevent="handleTouchEnd"
+ @touchcancel.prevent="handleTouchEnd"
+ :style="{
+ gridTemplateRows: `repeat(${height}, 1fr)`,
+ gridTemplateColumns: `repeat(${width * (modeVal == 2 ? 10 : 1)}, 1fr)`,
+ width: modeVal == 2 ? '1000vw': '100vw',
+ }">
+ <view class="pixel_cell" v-for="(cell, cellIndex) in pixelData" :key="cellIndex">
+ <view class="pixel_cell_item" :style="{ backgroundColor: cell }"></view>
+ </view>
</view>
- </view>
+ </scroll-view>
</view>
</uv-popup>
@@ -194,6 +208,10 @@
{
name: '动画帧切换',
val: 1
+ },
+ {
+ name: '滚动动画',
+ val: 2
}
],
modeVal: 0,
@@ -255,8 +273,9 @@
previewFrameIndex: 0,
previewTimer: null,
previewWidth: 24,
- previewHeight: 12
-
+ previewHeight: 12,
+ showControls: false,
+ scrollLeft: 0,
}
},
computed: {
@@ -294,6 +313,9 @@
}
},
methods: {
+ handleScroll(e){
+ this.scrollLeft = e.detail.scrollLeft
+ },
// 获取编辑详情
getTempleteInfo(){
templeteInfo(this.tId).then(res=>{
@@ -406,6 +428,15 @@
return this.mergeRowsToString(item)
});
this.fpsTotal = this.total
+ } else if (this.modeVal == 2) {
+ const scrollFrames = this.generateScrollFrames(this.fpsData[0]);
+ const parsedData = scrollFrames.map(item => {
+ return this.toSnakeData(item, this.specWidth);
+ });
+ this.animationData = parsedData.map(item => {
+ return this.mergeRowsToString(item);
+ });
+ this.fpsTotal = scrollFrames.length;
}
console.log('animationData--------', this.animationData)
@@ -505,10 +536,10 @@
console.log('ratio---', ratio[0]);
this.height = Number(ratio[0]);
this.width = Number(ratio[1]);
- this.canvasWidth = this.width * 10;
+ this.canvasWidth = this.width * (this.modeVal == 2 ? 10 * 10 : 10);
this.canvasHeight = this.height * 10;
- // 重新初始化一维数组
- this.pixelData = new Array(this.height * this.width).fill('')
+ const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
+ this.pixelData = new Array(this.height * colCount).fill('')
console.log('pixelData---', this.pixelData);
},
// 预先获取像素网格的位置信息
@@ -526,14 +557,16 @@
getCellByTouch(touch, cb) {
this.getGridRect(rect => {
if (!rect) return
- const x = touch.clientX - rect.left
+ const x = touch.clientX - rect.left + this.scrollLeft
const y = touch.clientY - rect.top
- const cellWidth = rect.width / this.width
+ const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
+ const cellWidth = rect.width / colCount
const cellHeight = rect.height / this.height
const colIndex = Math.floor(x / cellWidth)
const rowIndex = Math.floor(y / cellHeight)
+ console.log('colCount', colCount, 'colIndex', colIndex)
if (
- colIndex >= 0 && colIndex < this.width &&
+ colIndex >= 0 && colIndex < colCount &&
rowIndex >= 0 && rowIndex < this.height
) {
cb({
@@ -573,7 +606,8 @@
handleClick(rowIndex, colIndex) {
console.log(rowIndex, colIndex)
// 计算一维数组的索引
- const index = rowIndex * this.width + colIndex
+ const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
+ const index = rowIndex * colCount + colIndex
// 如果当前像素有颜色，则清除；如果没有颜色，则添加当前选择的颜色
const currentColor = this.pixelData[index]
const newColor = currentColor ? '' : this.color
@@ -581,8 +615,12 @@
},
clear() {
ctx && ctx.clearRect(0, 0, 1000, 1000)
+ const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
// 将所有像素点设置为空字符串
- this.pixelData = new Array(this.height * this.width).fill('')
+ this.pixelData = new Array(this.height * colCount).fill('')
+ },
+ toggleControls() {
+ this.showControls = !this.showControls;
},
// 模版动画弹出框
changeAnimation(e){
@@ -603,10 +641,15 @@
popupAnimationOpen(index){
this.$refs.popupAnimation.open();
this.fpsIndex = index
+ this.canvasWidth = this.width * (this.modeVal == 2 ? 10 * 10 : 10);
if(this.fpsList[this.fpsIndex] == null){
console.log('第一次编辑-----null')
- this.pixelData = new Array(this.height * this.width).fill('')
+ let pointCount = this.height * this.width
+ if (this.modeVal == 2) {
+ pointCount *= 10
+ }
+ this.pixelData = new Array(pointCount).fill('')
}else{
console.log('已编辑过-----')
this.pixelData = this.fpsList[this.fpsIndex]
@@ -615,7 +658,8 @@
// 关闭模版动画
popupAnimationClose(){
this.$refs.popupAnimation.close();
- this.pixelData = new Array(this.height * this.width).fill('')
+ const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
+ this.pixelData = new Array(this.height * colCount).fill('')
},
// 屏幕规格
changeSpec(e) {
@@ -640,6 +684,51 @@
const rowStrings = rows.map(r => r.join('')) // 每行合并
return rowStrings.join('') // 所有行合并
},
+ // 生成滚动动画帧数据（modeVal==2）
+ // 从点阵图左侧开始，按照设定分辨率窗口提取动画帧，每帧左移3个像素，剩余全空时停止
+ generateScrollFrames(data) {
+ const cols = this.specWidth;
+ const rows = this.specHeight;
+ const totalCols = this.specWidth * 10;
+ const step = 3;
+
+ let grid = [];
+ for (let r = 0; r < rows; r++) {
+ grid.push(data.slice(r * totalCols, (r + 1) * totalCols));
+ }
+
+ const frames = [];
+ let offset = 0;
+
+ while (offset < totalCols) {
+ let remainingEmpty = true;
+ for (let r = 0; r < rows; r++) {
+ for (let c = offset; c < totalCols; c++) {
+ if (grid[r][c] !== '' && grid[r][c] !== '000000') {
+ remainingEmpty = false;
+ break;
+ }
+ }
+ if (!remainingEmpty) break;
+ }
+
+ if (remainingEmpty) break;
+
+ let frame = [];
+ for (let r = 0; r < rows; r++) {
+ let row = grid[r].slice(offset, offset + cols);
+ while (row.length < cols) {
+ row.push('000000');
+ }
+ frame = frame.concat(row);
+ }
+
+ frames.push(frame);
+ offset += step;
+ }
+
+ return frames;
+ },
// 生成一帧动画其他帧数据
generateFrames(data, frameCount = 24) {
const cols = this.specWidth; // 每行 24 个
@@ -684,7 +773,8 @@
changeMode(e) {
this.fpsList = []
this.fpsData = []
- if (e == 0) {
+ this.gridRect = null
+ if (e == 0 || e == 2) {
this.total = 1
} else {
this.total = 2
@@ -764,19 +854,24 @@
ctx = uni.createCanvasContext('myCanvas', this);
// 设置字体样式
- ctx.setFontSize(this.canvasHeight * 0.9);
+ ctx.setFontSize(this.canvasHeight);
ctx.setFillStyle('#000')
- ctx.setTextAlign('center')
ctx.setTextBaseline('middle')
// 绘制文字
- // 计算文字位置
- // 水平居中
- const x = this.canvasWidth / 2;
// 垂直居中，稍微向上偏移一点
- const y = this.canvasHeight / 2;
-
- // 绘制文字
- ctx.fillText(char, x, y);
+ const y = this.canvasHeight / 2 + 10;
+
+ if (this.modeVal == 2) {
+ // 滚动动画：文字靠左对齐
+ ctx.setTextAlign('left')
+ const x = 20;
+ ctx.fillText(char, x, y);
+ } else {
+ // 其他模式：文字水平居中
+ ctx.setTextAlign('center')
+ const x = this.canvasWidth / 2;
+ ctx.fillText(char, x, y);
+ }
// 绘制到画布
ctx.draw(false, () => {
@@ -788,18 +883,19 @@
width: this.canvasWidth,
height: this.canvasHeight,
success: (res) => {
- console.log(res)
+ console.log('canvasGetImageData', res)
const imageData = res.data;
// 生成一维数组
- const pixelArray = new Array(this.height * this.width).fill('')
-
+ const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
+ const pixelArray = new Array(this.height * colCount).fill('')
+
// 计算每个格子的像素大小
- const cellWidth = this.canvasWidth / this.width;
+ const cellWidth = this.canvasWidth / colCount;
const cellHeight = this.canvasHeight / this.height;
// 生成一维数组
for (let y = 0; y < this.height; y++) {
- for (let x = 0; x < this.width; x++) {
+ for (let x = 0; x < colCount; x++) {
let blackPixels = 0;
let totalPixels = 0;
@@ -817,7 +913,7 @@
// 计算亮度
const brightness = 0.3 * r + 0.59 * g + 0.11 * b;
-
+
// 如果亮度小于阈值且透明度大于阈值，则认为是黑色
if (brightness < 128 && a > 128) {
blackPixels++;
@@ -825,11 +921,11 @@
totalPixels++;
}
}
-
+
// 如果黑色像素占比超过阈值，则设置为当前选择的颜色
const isBlack = blackPixels / totalPixels > 0.3;
- const arrayIndex = y * this.width + x;
- pixelArray[arrayIndex] = isBlack ? this.color : ''; // 改为颜色值或空字符串
+ const arrayIndex = y * colCount + x;
+ pixelArray[arrayIndex] = isBlack ? this.color : '';
}
}
@@ -851,7 +947,7 @@
});
return;
}
- this.previewWidth = this.width;
+ this.previewWidth = this.modeVal == 2 ? this.specWidth : this.width;
this.previewHeight = this.height;
this.previewFrames = this.buildPreviewFrames();
this.previewFrameIndex = 0;
@@ -869,6 +965,10 @@
const data = this.fpsList[0];
if (!data) return [];
return this.generatePreviewFrames(data, 24);
+ } else if (this.modeVal == 2) {
+ const data = this.fpsList[0];
+ if (!data) return [];
+ return this.generateScrollFrames(data);
} else {
const frames = [];
for (let i = 0; i < this.total; i++) {
@@ -982,10 +1082,20 @@
}
}
- .controls {
+ .action_btn {
position: absolute;
bottom: 10px;
left: 50px;
+ z-index: 10;
+ background: linear-gradient(142deg, #6FD2FF 0%, #268DFF 100%);
+ padding: 12px 24px;
+ border-radius: 30px;
+ box-shadow: 0 4px 12px rgba(38, 141, 255, 0.4);
+ }
+ .controls {
+ position: absolute;
+ bottom: 10px;
+ left: 130px;
display: flex;
gap: 20px;
z-index: 9;
@@ -1009,11 +1119,8 @@
top: -9999px;
}
.pixel_grid {
- position: fixed;
- left: 0;
- top: var(--status-bar-height);
- right: 0;
- bottom: 0;
+ height: 85vh;
+ border-bottom: 1px solid #eee;
display: grid;
gap: 1px;
box-sizing: border-box;
--
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