移动端canvas画板涂鸦绘图特效,用例见 scrawl.html
./libs/css/handwriting.css
./libs/js/jquery.min.js
./libs/js/handwriting.js
引入以上三个依赖文件
<link rel="stylesheet" type="text/css" href="./libs/css/handwriting.css">
<script type="application/javascript" src="./libs/js/jquery.min.js"></script>
<script type="application/javascript" src="./libs/js/handwriting.js"></script>
页面画板dom
<div class="wrapper">
<canvas class="offCanvas"></canvas>
<canvas class="canvas"></canvas>
</div>
底部工具栏
<div class="footer">
<div class="control-button">
<div class="item colorButton"><img src="./image/colors.png" alt=""><span>黑色</span></div>
<div class="item sizeButton"><img src="./image/size.png" alt=""><span>中笔</span></div>
<div class="item bgButton"><img src="./image/bg.png" alt=""><span>背景</span></div>
<div class="item rubberButton"><img src="./image/rubber.png" alt=""><span>擦掉</span></div>
<div class="item historyButton"><img src="./image/history.png" alt=""><span>历史</span></div>
<div class="item clearButton"><img src="./image/clear.png" alt=""><span>清屏</span></div>
<div class="item saveButton"><img src="./image/save.png" alt=""><span>保存</span></div>
</div>
<div class="pop-up colors-panel">
<div class="title">笔触颜色<span class="closeBtn"></span></div>
<div class="colors">
<div class="lineColors">
<div><span class="red" data-text="红色" data-color="#ff0000"></span></div>
<div><span class="blue" data-text="蓝色" data-color="#0000ff"></span></div>
<div><span class="green" data-text="绿色" data-color="#00ff00"></span></div>
<div><span class="black" data-text="黑色" data-color="#000000"></span></div>
<div><span class="orange" data-text="橙色" data-color="#ff6302"></span></div>
</div>
<div class="lineColors">
<div><span class="red" data-text="红色" data-color="#ff0000"></span></div>
<div><span class="blue" data-text="蓝色" data-color="#0000ff"></span></div>
<div><span class="green" data-text="绿色" data-color="#00ff00"></span></div>
<div><span class="black" data-text="黑色" data-color="#000000"></span></div>
<div><span class="orange" data-text="橙色" data-color="#ff6302"></span></div>
</div>
</div>
</div>
<div class="pop-up size-panel">
<div class="title">笔触大小<span class="closeBtn"></span></div>
<div class="sizes">
<div class="lineSizes"><span data-lineWidth="10" data-text="大笔" class="big"></span></div>
<div class="lineSizes"><span data-lineWidth="30" data-text="中笔" class="middle"></span></div>
<div class="lineSizes"><span data-lineWidth="50" data-text="小笔" class="small"></span></div>
</div>
</div>
<div class="pop-up bg-panel">
<div class="title">推荐背景<span class="closeBtn"></span></div>
<div class="list">
<img src="./image/bj.png" alt="" />
<img src="./image/bj.png" alt="" />
<img src="./image/bj.png" alt="" />
<img src="./image/bj.png" alt="" />
<img src="./image/bj.png" alt="" />
</div>
</div>
<!-- 添加橡皮檫列表和历史记录列表样式 -->
<div class="pop-up rubber-panel">
<div class="title">橡皮檫大小<span class="closeBtn"></span></div>
<div class="rubbers">
<div class="first">大小:</div>
<div class="second"><input type="range" min="1" max="50" value="25" step="1" name="大小" /></div>
<div class="last"><span class="rubberSize">25</span>像素</div>
</div>
</div>
<div class="pop-up history-panel">
<div class="title">历史记录<span class="closeBtn"></span></div>
<div class="history">
<div class="lineBox"></div>
</div>
</div>
</div>
<div class="offImgs" style="display: none;"></div>