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Dynamic epsilon for specific pixel ratios on Chrome

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Nekzuris
2024-12-13 19:47:40 +01:00
committed by GitHub
parent 874c1f5d73
commit dcfcf222e2
2 changed files with 26 additions and 3 deletions
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25
modules/renderer/tile_layer.js
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@@ -15,10 +15,33 @@ export function rendererTileLayer(context) {
var _tileOrigin;
var _zoom;
var _source;
var _epsilon = 0;
// Workaround to remove visible grid around tile borders on Chrome with dynamic epsilon for specific browser zoom levels
// Should be removed when https://issues.chromium.org/issues/40084005 is resolved, https://github.com/openstreetmap/iD/pull/10594
if (window.chrome) {
updateEpsilon();
window.addEventListener('resize', updateEpsilon);
}
function updateEpsilon() {
switch (Math.round(window.devicePixelRatio * 100)) {
case 110:
_epsilon = 0.002;
break;
case 90:
_epsilon = 0.005;
break;
case 80:
case 67:
_epsilon = 0.003;
break;
default:
_epsilon = 0;
}
}
function tileSizeAtZoom(d, z) {
return ((d.tileSize * Math.pow(2, z - d[2])) / d.tileSize);
return ((d.tileSize * Math.pow(2, z - d[2])) / d.tileSize) + _epsilon;
}