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round-em-up.js
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round-em-up.js
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function add_roundy_corners(map)
{
var canvas = document.createElement('canvas');
if(canvas.getContext)
{
var w = map.dimensions.x,
h = map.dimensions.y,
gutter = .5,
radius = 4;
canvas.style.position = 'absolute';
canvas.style.left = 0;
canvas.style.top = 0;
canvas.width = w;
canvas.height = h;
map.parent.appendChild(canvas);
map.parent.style.borderWidth = 0;
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#fff';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(0, h);
ctx.lineTo(w, h);
ctx.lineTo(w, 0);
ctx.lineTo(0, 0);
ctx.moveTo(w/2, gutter);
ctx.arcTo(w - gutter, gutter, w - gutter, h/2, radius);
ctx.arcTo(w - gutter, h - gutter, w/2, h - gutter, radius);
ctx.arcTo(gutter, h - gutter, gutter, h/2, radius);
ctx.arcTo(gutter, gutter, w/2, gutter, radius);
ctx.closePath();
ctx.fill();
if($(map.parent).css('borderTopColor'))
{
ctx.strokeStyle = $(map.parent).css('borderTopColor');
ctx.beginPath();
ctx.moveTo(w/2, gutter);
ctx.arcTo(w - gutter, gutter, w - gutter, h/2, radius);
ctx.arcTo(w - gutter, h - gutter, w/2, h - gutter, radius);
ctx.arcTo(gutter, h - gutter, gutter, h/2, radius);
ctx.arcTo(gutter, gutter, w/2, gutter, radius);
ctx.closePath();
ctx.stroke();
}
}
}