javascript - move clip area to center of canvas, Fabric js -

-

i created clipped area in canvas using fabricjs, here clipped area have created, 

var canvasdefaultwidth  = 350;  var canvasdefaultheight = 180;    var targetcanvas = document.getelementbyid('canvas');    canvas = new fabric.canvas(targetcanvas);    canvas.setwidth(canvasdefaultwidth);  canvas.setheight(canvasdefaultheight);    canvas.backgroundcolor = '#fff';  canvas.clipto = function(ctx) {                         ctx.beginpath();    var rect = new fabric.rect({      fill: '#fff',      opacity: 1,      left: 35,      top: 15,      width: 280,      height: 150,    });    rect.render(ctx);  }  canvas.controlsaboveoverlay = true;    var text = new fabric.itext('lorem ipsum dolla');  canvas.add(text);    canvas.renderall();
html{background:#cfcfcf}  canvas{ border: 1px solid #000; }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/1.6.2/fabric.min.js"></script>  <body>    <canvas id="canvas"></canvas>  </body>

i used left , top attribute move clipped area go center , middle of canvas manually, posibble make clipped area go center , middle of canvas automatic although increase canvas size or decrease clipped area size ??


Comments

Post a Comment

Popular posts from this blog

wordpress - (T_ENDFOREACH) php error -

-
creating wordpress website , i'm getting following php error: parse error: syntax error, unexpected 'endforeach' (t_endforeach) in /home/soralmedia/public_html/wp-content/themes/soral media/woocommerce/myaccount/my-orders.php on line 98 here's code file: <?php /** * orders * * shows recent orders on account page. * * template can overridden copying yourtheme/woocommerce/myaccount/my-orders.php. * * however, on occasion woocommerce need update template files , (the theme developer). * need copy new files theme maintain compatibility. try this. * little possible, happen. when occurs version of template file will. * bumped , readme list important changes. * * @see http://docs.woothemes.com/document/template-structure/ * @author woothemes * @package woocommerce/templates * @version 2.5.0 */ if ( ! defined( 'abspath' ) ) { exit; } $my_orders_columns = apply_filters( 'woocommerce_my_account_my_orders_columns', array( ...
Read more

Export Excel workseet into txt file using vba - (text and numbers with formulas) -

-
i new vba have developed code use in excel move text/numbers txt file. issue have 3 functions need go same txt file. when run first function has set fs = createobject("scripting.filesystemobject") set = fs.createtextfile(module1.nys45uploadfilename, true) a.writeline (str) a.close. the other 2 functions had save. set fs = createobject("scripting.filesystemobject") set = fs.savetextfile(module1.nys45uploadfilename, true) a.writeline (str) a.close. the first function go txt file, other 2 error object doesn't support property or method. when changed 3 create last function goes txt file. can not figure out word use in order make other 2 functions follow txt file in order keyed. the entire code follows private sub addrecord_click() on error goto errhandler module1.nys45uploadfilename = application.getsaveasfilename(filefilter:="textfiles (*.txt), *.txt") if module1.nys45uploadfilename = "false" exit sub ...
Read more

Using django-mptt to get only the categories that have items -

-
sample structure: all uppercase: category mixed case: item root ├── books │   ├── fiction │   │   └── classics │   └── non-fiction ├── clothing └── electronics ├── laptops ├── phones │   ├── apple │   │   ├── iphone 6 │   │   ├── iphone 6 plus │   │   ├── iphone 6s │   │   └── iphone 6s plus │   ├── motorola │   │   ├── moto g4 │   │   ├── moto g4 play │   │   ├── moto g4 plus │   │   └── moto x │   └── samsung └── tablets └── apple i'm trying have index page show "electronics" category. "clothing" category shouldn't show since it's empty , "books" category shouldn't show either since, although has child categories, child categories don't have items. similarly, "electronics" page should show "phones" category. "laptops" category shouldn't show since it's empty , "tablets" category shouldn't show either since...
Read more