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improvements in torque rendering, bubbles were not round in some cases

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javi 2015-12-02 10:11:11 +01:00
parent 4421294a4e
commit ce6ba46893
1 changed files with 10 additions and 4 deletions
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14
lib/torque/renderer/point.js
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@ -31,7 +31,8 @@ var Filters = require('./torque_filters');
"dst-atop": 'destination-atop',
"xor": 'xor',
"darken": 'darken',
"lighten": 'lighten'
"lighten": 'lighten',
"screen": "screen"
}
function compop2canvas(compop) {
@ -157,9 +158,14 @@ var Filters = require('./torque_filters');
cartocss.renderSprite(ctx, img, st);
} else {
// take into account the exterior ring to calculate the size
var canvasSize = (st['marker-line-width'] || 0) + pointSize*2;
var w = ctx.width = canvas.width = ctx.height = canvas.height = Math.ceil(canvasSize);
ctx.translate(w/2, w/2);
var canvasSize = (st['marker-line-width'] || 0) + pointSize*2 + 2;
canvasSize = Math.ceil(canvasSize);
// the sprite should be placed in the center of a pixel not in the middle so
// make the canvas size odd
canvasSize += canvasSize % 2 === 0 ? 1 : 0;
var w = ctx.width = canvas.width = ctx.height = canvas.height = canvasSize;
w = Math.floor(w/2) + 1;
ctx.translate(w, w);
var mt = st['marker-type'];
if (mt && mt === 'rectangle') {