Last active
August 29, 2015 14:22
-
-
Save ymrl/a97fe0a26fbfd99f5653 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<html> | |
<head> | |
</head> | |
<body> | |
<canvas id="smb" width="500" height="500" style="border: 1px solid #ccc"></canvas> | |
<button type="button" id="black" style="background: #463F39; color: #fff;">#463F39</button> | |
<button type="button" id="skin" style="background: #F6BF86; color: #fff;">#F6BF86</button> | |
<button type="button" id="green" style="background: #C8F7B4; color: #fff;">#C8F7B4</button> | |
<button type="button" id="url">Get Image</button> | |
<button type="button" id="clear">Clear</button> | |
<script> | |
var BLACK = '#463F39', SKIN ='#F6BF86', GREEN = '#C8F7B4', | |
current = BLACK, | |
canvas = document.querySelector('#smb'), | |
context = canvas.getContext('2d'); | |
mouseX = mouseY = -1; | |
context.lineWidth = 20; | |
context.lineCap = 'round'; | |
canvas.addEventListener('mousedown', function(e){ | |
mouseX = e.clientX; | |
mouseY = e.clientY; | |
}); | |
canvas.addEventListener('mousemove', function(e){ | |
if(mouseX < 0 || mouseY < 0){ return; } | |
context.beginPath(); | |
context.strokeStyle = current; | |
context.moveTo(mouseX, mouseY); | |
mouseX = e.clientX; | |
mouseY = e.clientY; | |
context.lineTo(mouseX, mouseY); | |
context.stroke(); | |
context.closePath() | |
}); | |
canvas.addEventListener('mouseup', function(e){ | |
mouseX = mouseY = -1; | |
}); | |
document.querySelector('#black').addEventListener('click',function(){ current = BLACK; }) | |
document.querySelector('#skin').addEventListener('click',function(){ current = SKIN; }) | |
document.querySelector('#green').addEventListener('click',function(){ current = GREEN; }) | |
document.querySelector('#url').addEventListener('click',function(){ | |
window.open(canvas.toDataURL()); | |
}); | |
document.querySelector('#clear').addEventListener('click',function(){ | |
if(window.confirm('are you sure?')){ | |
context.clearRect(0,0,500,500); | |
} | |
}); | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment