Have a simple drawing application. The problem is in the coordinates (redraw function): they must be mouse, but are near 2x mouse. What's the problem in the code?  <html> <head>     <style type="text/css" media="screen&...
Hi I've just started coding Java and HTML, etc, so I tend to struggle at times. Hence I have joined StackOverflow for your help (Be nice to me please :) )  I'm trying to animate using setInterval() and draw method to create a bouncing ball wh...
I have the following which doesn't work correctly:  var canvas = new fabric.Canvas('canvas');   canvas.observe('mouse:down', function(e) { mousedown(e); }); canvas.observe('mouse:move', function(e) { mousemove(e); }); canv...
I am creating a bar chart like so:  var ctxForecastChart = $("#forecastLineChart").get(0).getContext("2d"); var forecastChartData = {     labels: [         "Total Sales"     ],     datasets: [     {         label: "8/28/20...
I want to draw both rectangle and square using same var rectangle in my program. I have modified the function to draw square, given modeOptions = { "Rectangle", "Square" } what needs to be added below to work for both, rectangle and s...
I'm trying to draw multiple circle arcs filled with different colors          //-------------- draw         ctx.beginPath();         ctx.fillStyle = "black";         ctx.arc(30, 30, 20, 0, Math.PI*2, true);         ctx.fill();         ctx...
i need to draw lines between 2 element on html page  the results should be like this: http://img2.timg.co.il/forums/1_173873919.JPG  i wondered what the best way do this   using canvas and html5 using background image. make by ajax dynamic the image...
How can I draw a circle with fadeing out gradients?  I mean something like this:    Getting darker and darker......
I'm looking for Javascript code for letting the user draw a line (on an image).  Just as the line tool in Photoshop (for example):  The user clicks on the image, drags the mouse (while the line between the start point and the mouse point is dynam...
This script is endlessly taking memory in all the browsers. I can't see why!   var canvas = document.getElementById("canvas"); var ctx = canvas.getContext("2d"); var particles = [], amount = 5; var x = 100; var y = 100; var W, H;...

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