Draw Grid / Table on Canvas Html5
I've Been Searching Everywhere and Couldn't Find How to Draw a Grid / Table on a Html5 Canvas. I'm New to Html5 and Canvas. I Know How to Draw Shapes but This...
I've been searching everywhere and couldn't find how to draw a Grid / Table on a HTML5 Canvas. I'm new to HTML5 and canvas.
I know how to draw shapes but this drawing grid is taking forever to understand.
Can someone help me on this? Your time is greatly appreciated.
3 Answers
The answer is taken from here Grid drawn using a <canvas> element looking stretched
Just edited it a little, hope it helps
<html>
<head>
<script type="text/javascript" language="javascript">
// Box width
var bw = 400;
// Box height
var bh = 400;
// Padding
var p = 10;
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
function drawBoard(){
for (var x = 0; x <= bw; x += 40) {
context.moveTo(0.5 + x + p, p);
context.lineTo(0.5 + x + p, bh + p);
}
for (var x = 0; x <= bh; x += 40) {
context.moveTo(p, 0.5 + x + p);
context.lineTo(bw + p, 0.5 + x + p);
}
context.strokeStyle = "black";
context.stroke();
}
drawBoard();
</script>
</head>
<body style=" background: lightblue;">
<canvas id="canvas" width="420px" height="420px" style="background: #fff; margin:20px"></canvas>
</body>
</html>
This can be also be written as:
<html>
<head>
</head>
<body style=" background: lightblue;">
<canvas id="canvas" width="420px" height="420px" style="background: #fff; magrin:20px;"></canvas>
<script type="text/javascript" language="javascript">
var bw = 400;
var bh = 400;
var p = 10;
var cw = bw + (p*2) + 1;
var ch = bh + (p*2) + 1;
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
function drawBoard(){
for (var x = 0; x <= bw; x += 40) {
context.moveTo(0.5 + x + p, p);
context.lineTo(0.5 + x + p, bh + p);
}
for (var x = 0; x <= bh; x += 40) {
context.moveTo(p, 0.5 + x + p);
context.lineTo(bw + p, 0.5 + x + p);
}
context.strokeStyle = "black";
context.stroke();
}
drawBoard();
</script>
</body>
</html>
// Box width
var bw = 270;
// Box height
var bh = 180;
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
function drawBoard(){
context.lineWidth = 10;
context.strokeStyle = "rgb(2,7,159)";
for (var x = 0; x < bw; x += 90) {
for (var y = 0; y < bh; y += 90) {
context.strokeRect(x+10, y+10, 90, 90);
}
}
}
drawBoard();
Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.
