Featured post

c# - Usage of Server Side Controls in MVC Frame work -

i using asp.net 4.0 , mvc 2.0 web application. project requiremrnt have use server side control in application not possibl in noraml case. ideally want use adrotator control , datalist control. i saw few samples , references in codepleax mvc controllib howwver found less useful. can tell how utilize theese controls in asp.net application along mvc. note: please provide functionalities related adrotator , datalist controls not equivalent functionalities thanks in advace. mvc pages not use normal .net solution makes use of normal .net components impossible. a normal .net page use event driven solution call different methods service side mvc use actions , view completly different way handle things. also, mvc not use viewstate normal .net controlls require. found article discussing mixing of normal .net , mvc.

html - How to show mouse coordinates over canvas using pure javascript in tooltip form? -


so html5 canvas. want see x:11, y:33 in form of tooltip near mouse when mouse on canvas alt text... mouse moves tooltip moves showing coordinates. how such thing javascript , html 5?

$(function() {    var canvas = $('#canvas').get(0);    var ctx = canvas.getcontext('2d');    var w = h = canvas.width = canvas.height = 300;      ctx.fillstyle = '#0099f9';    ctx.fillrect(0, 0, w, h);      canvas.addeventlistener('mousemove', function(e) {      var x = e.pagex - canvas.offsetleft;      var y = e.pagey - canvas.offsettop;      var str = 'x : ' + x + ', ' + 'y : ' + y;        ctx.fillstyle = '#0099f9';      ctx.fillrect(0, 0, w, h);      ctx.fillstyle = '#ddd';      ctx.fillrect(x + 10, y + 10, 80, 25);      ctx.fillstyle = '#000';      ctx.font = 'bold 20px verdana';      ctx.filltext(str, x + 20, y + 30, 60);      }, 0);  });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <canvas id="canvas"></canvas>

a simple demo


Comments

Popular posts from this blog

c# - Usage of Server Side Controls in MVC Frame work -

cocoa - Nesting arrays into NSDictionary object (Objective-C) -

ios - Very simple iPhone App crashes on UILabel settext -