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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>keep运动截图生成</title>
<style>
@font-face {
font-family: 'keeprun';
src: url(./DINCond-Bold.otf);
}
html,
body {
width: 100%;
position: relative;
background-color: #fff;
}
image {
max-width: none;
max-height: none;
}
* {
margin: 0;
padding: 0;
}
li {
list-style: none;
}
hr {
margin-top: 3px;
margin-bottom: 3px;
border: 0;
border-top: 1px solid rgba(3, 137, 87, .5);
box-sizing: content-box;
height: 0;
overflow: visible;
display: block;
unicode-bidi: isolate;
margin-block-start: 0;
margin-block-end: 0;
margin-inline-start: auto;
margin-inline-end: auto;
}
#main-div {
margin-top: 0px;
max-width: 100%;
display: flex;
flex-wrap: wrap;
width: 100%;
justify-content: space-around;
}
#main-div .new-img {
width: 360px;
height: 719px;
position: relative;
}
.new-img #gui-img {
position: absolute;
top: 0;
left: 0;
width: 360px;
height: 719px;
vertical-align: top;
}
.new-img .bgimgwrap {
width: 360px;
height: 719px;
position: absolute;
display: flex;
overflow: hidden;
text-align: center;
justify-content: center;
align-items: center;
}
.new-img .innerbgimg {
width: 360px;
height: 719px;
margin: 0 auto;
display: flex;
}
.new-img .portrait-wrap {
width: 40px;
height: 40px;
position: absolute;
display: flex;
overflow: hidden;
text-align: center;
justify-content: center;
align-items: center;
top: 335px;
left: 284px;
border-radius: 20px;
}
.new-img .portrait {
width: 40px;
height: 40px;
margin: 0 auto;
display: block;
}
.new-img .weather-imgwrap {
height: 14px;
width: 14px;
top: 426.5px;
left: 238px;
position: absolute;
display: flex;
overflow: hidden;
text-align: center;
justify-content: center;
align-items: center;
}
.new-img .weather {
width: 14px;
height: 14px;
margin: 0 auto;
display: block;
}
.new-img span {
position: absolute;
}
.username {
top: 385px;
right: 34px;
font-size: 13px;
}
.keep-title {
top: 361px;
left: 30px;
line-height: 16px;
color: #a2a2a2;
font-size: 12px;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}
.mile {
color: #57525d;
font-family: 'keeprun';
top: 387px;
left: 32px;
}
.mile .mile-data {
font-size: 50px;
transform: scale(1, 0.85);
transform-origin: 0 0;
margin: 0 auto;
letter-spacing: -1px;
display: inline-block;
position: relative;
}
.mile .gongli {
color: #57525d;
font-size: 10.67px;
font-family: 'keeprun';
margin-left: 5px;
bottom: 8px;
position: relative;
display: inline-block;
}
.datetime {
color: #a2a2a2;
font-size: 13px;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}
.date {
top: 407px;
left: 222px;
}
.time {
top: 407px;
left: 296px;
}
.env {
color: #a2a2a2;
font-size: 13px;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
letter-spacing: -0.5px;
}
.temperature {
top: 424px;
left: 252px;
}
.humidity {
top: 424px;
left: 303px;
}
.speed-time {
color: #58505b;
font-size: 28px;
font-family: 'keeprun';
transform: scale(1, 0.85);
}
.speed {
top: 480px;
left: 32px;
letter-spacing: -0.5px;
}
.cost-time {
top: 480px;
left: 140px;
letter-spacing: -0.5px;
}
.calorie {
top: 480px;
right: 32px;
}
.set-data {
width: 360px;
font-size: 1rem;
}
input {
width: 55px;
height: 24px;
padding-left: 5px;
border-radius: 5px;
border: 1px solid #038957;
vertical-align: middle;
font-size: 15px;
}
:focus-visible {
outline: #15b77b auto 1px;
}
.username-inp {
width: 125px;
}
.keep-title-inp {
width: 125px;
}
.time-inp {
width: 20px;
margin-left: 1px;
margin-right: 1px;
}
.year-inp {
width: 40px;
}
button {
width: 80px;
height: 30px;
background-color: #24c68a;
color: #fff;
border-radius: 9px;
line-height: 16px;
border: 2px solid #c5e4a4;
font-size: 15px;
}
.large-btn {
width: 180px;
height: 50px;
border-radius: 26px;
line-height: 36px;
font-size: 20px;
}
.init-btn {
background-color: #c6c6c6;
}
.set-data h4,
.set-data h5 {
font-size: 24px;
font-weight: normal;
color: #24c68a;
}
.setDataList li {
margin-top: 7.5px;
margin-bottom: 7.5px;
margin-inline-start: 0.5rem;
}
.setDataList label {
color: #24c68a;
}
select {
width: 80px;
height: 30px;
background-color: #24c68a;
color: #fff;
border-radius: 9px;
line-height: 16px;
border: 2px solid #c5e4a4;
font-size: 15px;
}
.guijiSelect {
display: none;
}
.warning {
font-size: 20px;
padding: 1rem 0 0 0;
}
.explanation {
color: #666;
padding: 1rem 0 0 0;
font-size: 15px;
}
.explanation a {
text-decoration: underline;
color: #0000FF;
}
#inpt_colorchange_checkbox {
width: 20px;
height: 20px;
background-color: #24c68a;
color: #fff;
border-radius: 9px;
line-height: 16px;
border: 2px solid #c5e4a4;
font-size: 16px;
margin-left: 4px;
margin-right: 4px;
}
#drawpic_overlay {
position: fixed;
left: 0px;
top: 0px;
width: 100%;
height: 100%;
font-size: 16px;
background-color: rgba(0, 0, 0, 0.5);
display: none;
justify-content: center;
align-items: center;
touch-action: none;
}
.drawpic_popup {
background-color: #ffffff;
width: max-content;
text-align: center;
}
#drawpic_canvas_wrap {
background-color: #fff;
position: relative;
height: 600px;
width: 300px;
position: absolute;
display: flex;
overflow: hidden;
text-align: center;
justify-content: center;
align-items: center;
}
#drawpic_canvas_wrap2 {
background-color: #fff;
position: relative;
border: 2px solid #999;
height: 400px;
width: 300px;
display: flex;
overflow: hidden;
justify-content: center;
}
</style>
</head>
<body id="body">
<div id="main-div">
<div id="new-Img" class="new-img">
<div class="bgimgwrap" id="bgimgwrap">
<img src="" class="innerbgimg" id="bg-img" />
</div>
<img src="" id="gui-img" />
<div class="portrait-wrap" id="portrait-wrap">
<img class="portrait" id="portrait" src="" />
</div>
<div class="weather-imgwrap">
<img src="" class="weather" id="weather" src="" />
</div>
<span class="username" id="username">UserName</span>
<span class="keep-title" id="keep-title">户外跑步</span>
<span class="mile"><span id="mile" class="mile-data">0.00</span><span class="gongli">公里</span></span>
<span class="datetime date" id="date">0000/00/00</span>
<span class="datetime time" id="time">00:00</span>
<span class="env temperature" id="temperature">00</span>
<span class="env humidity" id="humidity">00</span>
<span class="speed-time speed" id="speed">00'00"</span>
<span class="speed-time cost-time" id="cost-time">00:00:00</span>
<span class="speed-time calorie" id="calorie">0</span>
</div>
<div class="set-data">
<h4>数据设置</h4>
<ul class="setDataList">
<hr />
<li>
<label>用户名：</label>
<input id="inpt_username" onchange="setData()" type="text" class="username-inp">
</li>
<li>
<label>头像：</label>
<button onclick="inpt_portrait_onClick()" class="inpt-btn">选择图片</button>
<input style="display:none;" type="file" accept="image/*" id="inpt_portrait" onchange="portrait_inpt()" />
<button onclick="init_portrait()" class="init-btn">恢复默认</button>
</li>
<li>
<label>标题：</label>
<span>keep•</span>
<input id="inpt_keep_title" onchange="setData()" type="text" class="keep-title-inp">
</li>
<hr />
<li>
<label>公里：</label>
<input type="number" min="0" max="20" id="inpt_miles" onchange="setData()" class="mile2-inp">
</li>
<li>
<label>配速：</label>
<input id="inpt_speeds" onchange="setData()" type="text">
</li>
<li>
<label>时间：</label>
<input id="inpt_year" onchange="setData()" type="text" class="time-inp year-inp">
<span>年</span>
<input id="inpt_month" onchange="setData()" type="text" class="time-inp">
<span>月</span>
<input id="inpt_day" onchange="setData()" type="text" class="time-inp">
<span>日</span>
<input id="inpt_hour" onchange="setData()" type="text" class="time-inp">
<span>时</span>
<input id="inpt_min" onchange="setData()" type="text" class="time-inp">
<span>分</span>
</li>
<li>
<label>天气：</label>
<select onchange="weather_Select_onChange()" id="weather_Select">
<option value="images/weather1.png">晴</option>
<option value="images/weather2.png">多云</option>
<option value="images/weather3.png">阴天</option>
</select>
</li>
<li>
<label>温度：</label>
<input id="inpt_temperature" onchange="setData()" type="text">
</li>
<li>
<label>湿度：</label>
<input id="inpt_humidity" onchange="setData()" type="text">
</li>
<hr />
<li>
<label>背景：</label>
<select onchange="default_bgImgSelect_onChange()" id="default_bgImgSelect">
<option value="guiji_Select_1">南体育场</option>
<option value="guiji_Select_2">军工操场</option>
<option value="guiji_Select_3">北体育场</option>
</select>
</li>
<li>
<label>自定义背景：</label>
<button onclick="inpt_bgimg_onClick()">选择图片</button>
<input style="display:none;" type="file" accept="image/*" id="inpt_bgimg" onchange="bgimg_inpt()" />
<button onclick="init_bgimg()" class="init-btn">恢复默认</button>
</li>
<li>
<label>预设轨迹：</label>
<select onchange="guijiSelect_onChange()" id="guiji_Select_1" class="guijiSelect">
<option value="['images/bg1_1.png', 'images/bg1_empty2.png']">预设1</option>
<option value="['images/bg1_2.png', 'images/bg1_empty2.png']">预设2</option>
<option value="['images/bg1_3.png', 'images/bg1_empty2.png']">预设3</option>
<option value="['images/bg1_4.png', 'images/bg1_empty2.png']">预设4</option>
<option value="['images/bg1_5.png', 'images/bg1_empty2.png']">预设5</option>
<option value="['images/bg1_empty2.png', 'images/bg1_empty2.png']">空</option>
</select>
<select onchange="guijiSelect_onChange()" id="guiji_Select_2" class="guijiSelect">
<option value="['images/bg2_empty.png', 'images/bg2_empty.png']">空</option>
</select>
<select onchange="guijiSelect_onChange()" id="guiji_Select_3" class="guijiSelect">
<option value="['images/bg3_empty.png', 'images/bg3_empty.png']">空</option>
</select>
</li>
<li>
<label>绘制轨迹：</label>
<button onclick="inpt_drawbtn_onClick()">点击绘制</button>
</li>
<li>
<label>路径变色：</label>
<input type="checkbox" id="inpt_colorchange_checkbox" onchange="inpt_colorchange_checkbox_onchange()" /><span>启用</span>
</li>
<li id="bs_prop_inpt_wrap">
<label>变色概率：</label>
<input id="inpt_bs_prob" onchange="setData()" type="text">
</li>
<li id="inpt_bs_range_wrap">
<label>变色步长范围：</label>
<input id="inpt_bs_range_min" onchange="setData()" type="text">
<span>~</span>
<input id="inpt_bs_range_max" onchange="setData()" type="text">
</li>
<hr />
<li>
<label>图片宽度：</label>
<input id="inpt_savePic_width" onchange="setData()" type="text">
</li>
<li>
<button onclick="Download(Download1)" class="large-btn">保存图片</button>
</li>
<li>
<button onclick="Download(Download2)">查看图片</button>
</li>
<li>
<button onclick="Download(Download3)">保存图片</button>
<span>(备用方案)</span>
</li>
<li>
<button onclick="Download(Download4)">保存图片</button>
<span>(备用方案2, 请手动重命名下载文件)</span>
</li>
</ul>
<div id="drawpic_overlay">
<div class="drawpic_popup">
<div><h5>绘制轨迹</h5></div>
<div id="drawpic_canvas_wrap2">
<div id="drawpic_canvas_wrap">
<canvas id="drawpic_canvas" width="1" height="1"></canvas>
</div>
</div>
<div>
<button onclick="drawpic_hidebtn_onClick()">取消</button>
<button onclick="drawpic_initbtn_onClick()" class="init-btn">重置</button>
<button onclick="drawpic_yesbtn_onClick()">确定</button>
</div>
<canvas id="buffer_canvas" style="display: none;"></canvas>
</div>
</div>
</div>
<div class="warning-wrap">
<ul class="setDataList">
<li>
<div class="warning">
<span>
<b>免责声明: 页面仅供学习交流，<br />请勿用于其他用途，<br />否则后果作者概不负责！</b>
</span>
</div>
<div class="explanation">
<span>1. 修改"数据设置"部分的输入框中的内容即可更改截图中出现的各项数值.</span>
<br />
<span>2. 点击"保存图片"即可自动生成截图并保存到本地.</span>
<br />
<br />
<span>keep运动截图生成 v2.41.6 (6395c902)</span>
<br />
<br />
<span>再次尝试修改了"下载图片"部分的代码, 加了两个按钮.</span>
<br />
<span>如果还是不能下载的话就手动截个图吧, 反正效果差不多 (大概</span>
<br />
<br />
<span>本项目仓库地址: <a href="https://gitee.com/fyhb/keep" target="_blank">https://gitee.com/fyhb/keep</a>.</span>
<br />
<span>※本项目修改自<a href="https://gitee.com/jimaske/njupt-keep" target="_blank">南邮keep跑步打卡截图修改</a>.</span>
<br />
<span>原作者: 四脚兽起飞(<a href="https://gitee.com/jimaske" target="_blank">@jimaske</a>).</span>
<br />
<span>由寒冰(<a href="https://gitee.com/fyhb" target="_blank">@fyhb</a>)修改并发布.(修改内容详见<a href="https://gitee.com/fyhb/keep/blob/master/README.md" target="_blank">README.md</a>)</span>
</div>
</li>
</ul>
</div>
</div>
<script src="./html2canvas.min.js"></script>
<script type="text/javascript">
var miles, speeds, username, keep_title, date_year, date_month, date_day, time_hour, time_min, temperature, humidity, savePic_width;
var bgSRC = "", ptSRC = "";
var display_guijiSelect_id;
var default_bgSRC = [];
var use_default_bg = true;
var canvas, ctx, drawdown, convasData, current_img_width, current_img_height, draw_suofang, buffer_canvas;
var bs_range_min, bs_range_max;
var bs, bs_prob, is_bs, bs_max, bs_range, bs_now, bs_start_x, bs_start_y, bs_end_x, bs_end_y, bs_pres_x, bs_pres_y, bs_pres_color;
var draw_start_x, draw_start_y, draw_end_x, draw_end_y;
var empty_bg_src = "images/empty_bg.png" + "?_=" + new Date().getTime();
var gui_img_src = "images/1.png" + "?_=" + new Date().getTime();
var default_portrait_scr = "images/default_portrait.png" + "?_=" + new Date().getTime();
var start_sign_src = "images/start.png" + "?_=" + new Date().getTime();
var end_sign_src = "images/end.png" + "?_=" + new Date().getTime();
var frameWidth = 300;
var frameHeight = 600;
var bgWidth = 360;
var bgHeight = 719;
let ptWidth = 40;
let ptHeight = 40;
function fract(num) {
return num - Math.trunc(num);
}
function addZero(i) {
if (i < 10) {
i = "0" + String(i);
return i;
}
return String(i);
}
//将输入框的输入内容存储到对应的变量中
function setData() {
username = document.getElementById("inpt_username").value;
keep_title = document.getElementById("inpt_keep_title").value;
miles = parseFloat(document.getElementById("inpt_miles").value);
speeds = parseFloat(document.getElementById("inpt_speeds").value);
date_year = parseInt(document.getElementById("inpt_year").value);
date_month = parseInt(document.getElementById("inpt_month").value);
date_day = parseInt(document.getElementById("inpt_day").value);
time_hour = parseInt(document.getElementById("inpt_hour").value);
time_min = parseInt(document.getElementById("inpt_min").value);
temperature = parseInt(document.getElementById("inpt_temperature").value);
humidity = parseInt(document.getElementById("inpt_humidity").value);
bs_prob = parseFloat(document.getElementById("inpt_bs_prob").value);
bs_range_min = parseInt(document.getElementById("inpt_bs_range_min").value);
bs_range_max = parseInt(document.getElementById("inpt_bs_range_max").value);
savePic_width = parseInt(document.getElementById("inpt_savePic_width").value);
rander();
}
//初始化输入框, 将变量的内容放到输入框中
function initInputData() {
document.getElementById("inpt_username").value = username;
document.getElementById("inpt_keep_title").value = keep_title;
document.getElementById("inpt_miles").value = miles;
document.getElementById("inpt_speeds").value = speeds;
document.getElementById("inpt_year").value = date_year;
document.getElementById("inpt_month").value = date_month;
document.getElementById("inpt_day").value = date_day;
document.getElementById("inpt_hour").value = time_hour;
document.getElementById("inpt_min").value = time_min;
document.getElementById("inpt_temperature").value = temperature;
document.getElementById("inpt_humidity").value = humidity;
document.getElementById("inpt_bs_prob").value = bs_prob;
document.getElementById("inpt_bs_range_min").value = bs_range_min;
document.getElementById("inpt_bs_range_max").value = bs_range_max;
document.getElementById("inpt_savePic_width").value = savePic_width;
document.getElementById("gui-img").src = gui_img_src;
document.getElementById("portrait").src = default_portrait_scr;
let bgimg_select = document.getElementById("default_bgImgSelect");
for (let i = 0; i < bgimg_select.options.length; i ++) {
let guijiSelect = document.getElementById(bgimg_select.options[i].value);
for (let j = 0; j < guijiSelect.options.length; j ++) {
guijiSelect.options[j].value = '[\"' + String(eval(guijiSelect.options[j].value)[0] + "?_=" + new Date().getTime()) + '\", \"' + String(eval(guijiSelect.options[j].value)[1] + "?_=" + new Date().getTime()) + '\"]';
}
}
let weather_select = document.getElementById("weather_Select");
for (let i = 0; i < weather_select.options.length; i ++) {
weather_select.options[i].value = weather_select.options[i].value + "?_=" + new Date().getTime();
}
}
//渲染, 将输入的内容放到图片的对应位置
function rander() {
let miles_int = Math.floor(miles);
let miles_dec = Math.round((miles - miles_int) * 100);
let speeds_int = Math.floor(speeds);
let speeds_dec = Math.round((speeds - speeds_int) * 100);
let times = (speeds_dec / 60 + speeds_int) * miles;
let timeInc = Math.trunc(times);
let cost_hour = Math.floor(timeInc / 60);
let cost_min = timeInc % 60;
let cost_sec = Math.round((times - timeInc) * 60);
let calorie = Math.round(69 * miles * 1.036);
document.getElementById("mile").innerHTML = String(miles_int) + "." + String(addZero(miles_dec));
document.getElementById("date").innerHTML = String(date_year) + "/" + addZero(date_month) + "/" + addZero(date_day);
document.getElementById("time").innerHTML = addZero(time_hour) + ":" + addZero(time_min);
document.getElementById("temperature").innerHTML = String(temperature) + "℃";
document.getElementById("humidity").innerHTML = String(humidity) + "%";
document.getElementById("username").innerHTML = username;
document.getElementById("keep-title").innerHTML = "Keep • " + keep_title;
document.getElementById("speed").innerHTML = String(addZero(speeds_int)) + "'" + String(addZero(speeds_dec)) + '"';
document.getElementById("cost-time").innerHTML = String(addZero(cost_hour)) + ":" + String(addZero(cost_min)) + ":" + String(addZero(cost_sec));
document.getElementById("calorie").innerHTML = addZero(calorie);
}
//选择预设图片
function default_bgImgSelect_onChange() {
if (display_guijiSelect_id) {
document.getElementById(display_guijiSelect_id).style.display = "none";
}
display_guijiSelect_id = document.getElementById("default_bgImgSelect").value;
document.getElementById(display_guijiSelect_id).style.display = "inline"
default_bgSRC = eval(document.getElementById(display_guijiSelect_id).value);
setbgImg(default_bgSRC[0]);
}
function guijiSelect_onChange() {
default_bgSRC = eval(document.getElementById(display_guijiSelect_id).value);
setbgImg(default_bgSRC[0]);
}
//选择天气
function weather_Select_onChange() {
document.getElementById("weather").src = document.getElementById("weather_Select").value;
}
function dataURLtoBlob(dataurl) {
var arr = dataurl.split(',');
//注意base64的最后面中括号和引号是不转译的
var _arr = arr[1].substring(0, arr[1].length - 2);
var mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(_arr),
n = bstr.length,
u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
return new Blob([u8arr], {
type: mime
});
}
//按下更改背景图片的按钮时调用的方法
function inpt_bgimg_onClick() {
document.getElementById("inpt_bgimg").click();
}
//按下更改头像的按钮时调用的方法
function inpt_portrait_onClick() {
document.getElementById("inpt_portrait").click();
}
//选择并设置背景图片
function bgimg_inpt() {
var bgimg_oFReader = new FileReader();
bgimg_oFReader.onload = function (event) {
var bgimg_osrc = event.target.result;
if (bgSRC) {
URL.revokeObjectURL(bgSRC);
}
bgSRC = URL.createObjectURL(dataURLtoBlob(bgimg_osrc));
let IMG = new Image();
IMG.src = bgSRC;
setbgImg(bgSRC);
use_default_bg = false;
}
var bgimg_ofile = document.getElementById("inpt_bgimg").files[0];
bgimg_oFReader.readAsDataURL(bgimg_ofile);
}
function setbgImg(src) {
document.getElementById("bg-img").src = src;
document.getElementById("bg-img").onload = function() {
getNaturalSize();
}
let IMG = new Image();
IMG.src = src;
IMG.onload = function(){
getNaturalSize();
if(parseInt(IMG.width) / parseInt(IMG.height) > 0.5010) {
document.getElementById("bg-img").style.height = String(bgHeight) + "px";
document.getElementById("bg-img").style.width = String(parseInt(IMG.width) * bgHeight / parseInt(IMG.height)) + "px";
} else {
document.getElementById("bg-img").style.height = String(parseInt(IMG.height) * bgWidth / parseInt(IMG.width)) + "px";
document.getElementById("bg-img").style.width = String(bgWidth) + "px";
}
}
}
//选择并设置头像
function portrait_inpt() {
var portrait_oFReader = new FileReader();
portrait_oFReader.onload = function (event) {
var portrait_osrc = event.target.result;
if (ptSRC) {
URL.revokeObjectURL(ptSRC)
}
ptSRC = URL.createObjectURL(dataURLtoBlob(portrait_osrc));
document.getElementById("portrait").src = ptSRC;
let IMG = new Image();
IMG.src = ptSRC;
IMG.onload = function() {
if(parseInt(IMG.width) / parseInt(IMG.height) > 1){
document.getElementById("portrait").style.height = String(ptHeight) + "px";
document.getElementById("portrait").style.width = String(parseInt(IMG.width) * ptHeight / parseInt(IMG.height)) + "px";
}else{
document.getElementById("portrait").style.height = String(parseInt(IMG.height) * ptWidth / parseInt(IMG.width)) + "px";
document.getElementById("portrait").style.width = String(ptWidth) + "px";
}
}
}
var portrait_ofile = document.getElementById("inpt_portrait").files[0];
portrait_oFReader.readAsDataURL(portrait_ofile);
}
//恢复默认背景图片
function init_bgimg() {
setbgImg(default_bgSRC[0]);
use_default_bg = true;
}
//恢复默认头像
function init_portrait() {
document.getElementById("portrait").style.height = ptHeight;
document.getElementById("portrait").style.width = ptHeight;
document.getElementById("portrait").src = default_portrait_scr;
}
/*----- 以下为[绘制自定义轨迹]用到的方法 -----*/
function inpt_drawbtn_onClick() {
if(current_img_width / current_img_height > 0.5010) {
draw_suofang = current_img_height / frameHeight;
document.getElementById("drawpic_canvas_wrap").innerHTML = '<canvas id="drawpic_canvas" width="' + String(current_img_width) + '" height="' + String(current_img_height) + '" style="width: ' + String(Math.floor(current_img_width * (frameHeight / current_img_height))) + 'px; height: ' + String(frameHeight) + 'px;"></canvas>';
} else {
draw_suofang = current_img_width / frameWidth;
document.getElementById("drawpic_canvas_wrap").innerHTML = '<canvas id="drawpic_canvas" width="' + String(current_img_width) + '" height="' + String(current_img_height) + '" style="width: ' + String(frameWidth) + 'px; height: ' + String(Math.floor(current_img_height * (frameWidth / current_img_width))) + 'px;"></canvas>';
}
document.getElementById("drawpic_overlay").style.display = "flex";
document.getElementById("body").style.overflow = "hidden";
document.getElementById("body").style.height = "100%";
document.body.addEventListener('touchmove', self.welcomeShowedListener, false);
start_draw();
}
function inpt_colorchange_checkbox_onchange() {
bs = document.getElementById("inpt_colorchange_checkbox").checked;
if (bs) {
document.getElementById("bs_prop_inpt_wrap").style.display = "list-item";
document.getElementById("inpt_bs_range_wrap").style.display = "list-item";
} else {
document.getElementById("bs_prop_inpt_wrap").style.display = "none";
document.getElementById("inpt_bs_range_wrap").style.display = "none";
}
}
function start_draw() {
if (bs) {
handlePointerDown = (e) => {
ctx.beginPath();
ctx.lineJoin = "round";
ctx.lineCap = "round";
ctx.lineWidth = String(Math.floor(5 * draw_suofang));
bs_pres_color = new Array(38, 201, 154);
if (drawdown == false) {
draw_start_x = e.offsetX * draw_suofang;
draw_start_y = e.offsetY * draw_suofang;
ctx.strokeStyle = "rgb(38, 201, 154)".toString();
}
drawdown = true;
bs_pres_x = e.offsetX * draw_suofang;
bs_pres_y = e.offsetY * draw_suofang;
ctx.moveTo(e.offsetX * draw_suofang, e.offsetY * draw_suofang);
}
handlePointerMove = (e) => {
if (drawdown) {
if (is_bs) {
if (bs_now >= bs_range) {
is_bs = false;
ctx.beginPath();
ctx.lineJoin = "round";
ctx.lineCap = "round";
ctx.lineWidth = String(Math.floor(5 * draw_suofang));
ctx.moveTo(bs_pres_x, bs_pres_y);
ctx.lineTo(e.offsetX * draw_suofang, e.offsetY * draw_suofang);
var gradient = ctx.createLinearGradient(bs_pres_x, bs_pres_y, e.offsetX * draw_suofang, e.offsetY * draw_suofang);
gradient.addColorStop(0, "rgb(" + String(bs_pres_color[0]) + "," + String(bs_pres_color[1]) + " ," + String(bs_pres_color[2]) + " )");
gradient.addColorStop(1, "rgb(38, 201, 154)");
ctx.strokeStyle = gradient;
ctx.stroke();
bs_pres_color = new Array(38, 201, 154);
}
}
if (Math.random() < bs_prob && is_bs == false) {
is_bs = true;
rg = 2 * Math.random() - 1;
if (rg > 0) {
bs_max = new Array(Math.floor(193 * Math.pow(Math.abs(rg), 0.5)), Math.floor(-110 * Math.pow(Math.abs(rg), 0.5)), Math.floor(-66 * Math.pow(Math.abs(rg), 0.5)));
} else {
bs_max = new Array(Math.floor(27 * Math.pow(Math.abs(rg), 0.5)), Math.floor(16 * Math.pow(Math.abs(rg), 0.5)), Math.floor(94 * Math.pow(Math.abs(rg), 0.5)));
}
bs_range = bs_range_min + Math.floor((bs_range_max - bs_range_min) * Math.random());
bs_now = 0;
}
if (is_bs) {
ctx.beginPath();
ctx.lineJoin = "round";
ctx.lineCap = "round";
ctx.lineWidth = String(Math.floor(5 * draw_suofang));
ctx.moveTo(bs_pres_x, bs_pres_y);
var bs_now_color = new Array(Math.floor(38 + (4 * bs_max[0] * bs_now / bs_range) * (1 - bs_now / bs_range)), Math.floor(201 + (4 * bs_max[1] * bs_now / bs_range) * (1 - bs_now / bs_range)), Math.floor(154 + (4 * bs_max[2] * bs_now / bs_range) * (1 - bs_now / bs_range)))
var gradient = ctx.createLinearGradient(bs_pres_x, bs_pres_y, e.offsetX * draw_suofang, e.offsetY * draw_suofang);
gradient.addColorStop(0, "rgb(" + String(bs_pres_color[0]) + "," + String(bs_pres_color[1]) + " ," + String(bs_pres_color[2]) + " )");
gradient.addColorStop(1, "rgb(" + String(bs_now_color[0]) + "," + String(bs_now_color[1]) + " ," + String(bs_now_color[2]) + " )");
ctx.strokeStyle = gradient;
ctx.lineTo(e.offsetX * draw_suofang, e.offsetY * draw_suofang);
ctx.stroke();
bs_pres_color = bs_now_color;
bs_now += 1
} else {
ctx.lineTo(e.offsetX * draw_suofang, e.offsetY * draw_suofang);
ctx.strokeStyle = "rgb(38, 201, 154)".toString();
ctx.stroke();
}
bs_pres_x = e.offsetX * draw_suofang;
bs_pres_y = e.offsetY * draw_suofang;
}
}
handlePointerUp = (e) => {
draw_end_x = e.offsetX * draw_suofang;
draw_end_y = e.offsetY * draw_suofang;
var startIMG = new Image();
var endIMG = new Image();
startIMG.src = start_sign_src;
endIMG.src = end_sign_src;
startIMG.onload = function () {
ctx.drawImage(startIMG, Math.floor(draw_start_x - 15 * draw_suofang), Math.floor(draw_start_y - 22 * draw_suofang), Math.floor(30 * draw_suofang), Math.floor(30 * draw_suofang));
}
endIMG.onload = function () {
ctx.drawImage(endIMG, Math.floor(draw_end_x - 15 * draw_suofang), Math.floor(draw_end_y - 22 * draw_suofang), Math.floor(30 * draw_suofang), Math.floor(30 * draw_suofang));
}
convasData = ctx.getImageData(0, 0, canvas.offsetWidth, canvas.offsetHeight);
drawdown = false;
restorePointer();
}
} else {
handlePointerDown = (e) => {
ctx.beginPath();
if (drawdown == false) {
draw_start_x = e.offsetX * draw_suofang;
draw_start_y = e.offsetY * draw_suofang;
}
drawdown = true;
ctx.moveTo(e.offsetX * draw_suofang, e.offsetY * draw_suofang);
}
handlePointerMove = (e) => {
if (drawdown) {
ctx.lineTo(e.offsetX * draw_suofang, e.offsetY * draw_suofang);
ctx.strokeStyle = "rgb(38, 201, 154)".toString();
ctx.lineJoin = "round";
ctx.lineCap = "round";
ctx.lineWidth = String(parseInt(5 * draw_suofang));
ctx.stroke();
}
}
handlePointerUp = (e) => {
draw_end_x = e.offsetX * draw_suofang;
draw_end_y = e.offsetY * draw_suofang;
var startIMG = new Image();
var endIMG = new Image();
startIMG.src = start_sign_src;
endIMG.src = end_sign_src;
startIMG.onload = function () {
ctx.drawImage(startIMG, parseInt(draw_start_x - 15 * draw_suofang), parseInt(draw_start_y - 22 * draw_suofang), parseInt(30 * draw_suofang), parseInt(30 * draw_suofang));
}
endIMG.onload = function () {
ctx.drawImage(endIMG, parseInt(draw_end_x - 15 * draw_suofang), parseInt(draw_end_y - 22 * draw_suofang), parseInt(30 * draw_suofang), parseInt(30 * draw_suofang));
}
convasData = ctx.getImageData(0, 0, canvas.offsetWidth, canvas.offsetHeight);
drawdown = false;
restorePointer();
}
}
canvas = document.getElementById('drawpic_canvas');
ctx = canvas.getContext('2d');
var bgIMG = new Image();
if (use_default_bg) {
bgIMG.src = default_bgSRC[1];
} else {
bgIMG.src = bgSRC;
}
bgIMG.onload = function () {
ctx.drawImage(bgIMG, 0, 0, current_img_width, current_img_height);
drawdown = false;
is_bs = false;
convasData = null;
canvas.addEventListener('pointerdown', handlePointerDown);
canvas.addEventListener('pointermove', handlePointerMove);
canvas.addEventListener('pointerup', handlePointerUp);
}
}
//这三个方法的具体内容, 取决于是否处在"路径变色"模式
//所以这里先占个位
var handlePointerDown, handlePointerMove, handlePointerUp;
function restorePointer() {
canvas.removeEventListener('pointerdown', handlePointerDown);
canvas.removeEventListener('pointermove', handlePointerMove);
canvas.removeEventListener('pointerup', handlePointerUp);
}
//取消按钮
function drawpic_hidebtn_onClick() {
restorePointer();
document.getElementById("body").style.overflow = "";
document.getElementById("body").style.height = "";
document.body.removeEventListener('touchmove', this.welcomeShowedListener, false);
document.getElementById("drawpic_overlay").style.display = "none";
}
//重置按钮
function drawpic_initbtn_onClick() {
ctx.clearRect(0, 0, current_img_width, current_img_height);
start_draw();
}
//确定按钮
function drawpic_yesbtn_onClick() {
document.getElementById("body").style.overflow = "";
document.getElementById("body").style.height = "";
document.body.removeEventListener('touchmove', this.welcomeShowedListener, false);
document.getElementById("bg-img").src = canvas.toDataURL();
document.getElementById("drawpic_overlay").style.display = "none";
}
//获取当前使用的背景图片的尺寸
function getNaturalSize () {
img = document.getElementById("bg-img")
current_img_width = img.naturalWidth;
current_img_height = img.naturalHeight;
}
/*----- 以上为[绘制自定义轨迹]用到的方法 -----*/
//下载截图
function Download(func=Download1) {
let ele = document.getElementById("new-Img");
buffer_canvas = document.getElementById("buffer_canvas");
buffer_canvas.width = savePic_width;
buffer_canvas.height = Math.floor(savePic_width * 2157 / 1080);
let scale = savePic_width / document.getElementById("new-Img").getBoundingClientRect().width;
html2canvas(ele, {