Question

我开发了用于存储图库的画布图像。我已经添加了

中的插件

**cordova plugin add https://github.com/devgeeks/Canvas2ImagePlugin.git**

我已在设备中写了签名，但无法保存在图库中。

以下代码：

    <!DOCTYPE html>
    <html>
        <head>
            <meta charset="utf-8" />
            <meta name="format-detection" content="telephone=no" />    

             <script type="text/javascript" src="cordova.js"></script>         
             <script type="text/javascript" src="js/jquery.js"></script>       
             <script type="text/javascript" src="js/modernizr.custom.34982.js"></script> 
             <script type="text/javascript" src="js/signatureCapture.js"></script>           
<link rel="stylesheet" type="text/css" href="css/jquery.mobile-1.4.2.css" />
       <link rel="stylesheet" type="text/css" href="css/styles.css" />                   
             <script type="text/javascript">
             var sigCapture;
             $(document).ready(function(e) 
            {       
                    sigCapture = new SignatureCapture( "signature" );
                    document.addEventListener("deviceready", onDeviceReady, false);         
                    function onDeviceReady()  
                    {
                        window.canvas2ImagePlugin.saveImageDataToLibrary(
                                function(msg){
                                    console.log("Save =========>"+msg);
                                },
                                function(err){
                                    console.log("Error =====>"+err);
                                },
                                document.getElementById('signature')
                            );
                    }
                    $("#submit").click( onSubmitClick );
                    $("#cancel").click( onCancelClick );
                });
             function onSubmitClick(event ) { }
             function onCancelClick( event ) {
                 sigCapture.clear();
                }

             </script>
        </head>
        <body>

       <h2>SIGNATURE</h2>
        <div id="canvasContainer"  >
            <canvas id="signature" />
        </div>

       <button data-role="button" id="submit" data-theme="b">Save</button>
        <button data-role="button" id="cancel" data-theme="b">Cancel</button>       



        </body>
    </html>

错误控制台：

无法在file：///android_asset/www/index.html解码图片：55

请有人可以帮我如何在图库中保存画布文字。

如何在画廊中保存画布文本/图像

0 个答案: