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tile position correction

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This commit is contained in:
Matt Walsh 2025-06-13 17:58:05 -05:00
commit 9303035bb9
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6 changed files with 33 additions and 166 deletions
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28
server/scripts/modules/radar.mjs
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@ -145,8 +145,6 @@ class Radar extends WeatherDisplay {
OVERRIDES,
sourceXY,
radarSourceXY,
offsetX,
offsetY,
});
// store the time
@ -180,7 +178,7 @@ class Radar extends WeatherDisplay {
// calculate final tile size
const finalTileSize = utils.mapSizeToFinalSize(utils.tileSize.x, utils.tileSize.y);
// fill the tiles with the overlay
// fill the tiles with the map
elemForEach('.map-tiles img', (elem, index) => {
// get the base image
const base = baseAndOverlay[`t${index}Base`];
@ -195,12 +193,30 @@ class Radar extends WeatherDisplay {
elem.height = finalTileSize.y;
elem.src = canvas.toDataURL();
});
// shift the map tile container
elemForEach('.overlay-tiles img', (elem, index) => {
// get the base image
const base = baseAndOverlay[`t${index}Overlay`];
// put it on a canvas
const canvas = document.createElement('canvas');
const context = canvas.getContext('bitmaprenderer');
context.transferFromImageBitmap(base);
// if it's not there, return (tile not needed)
if (!base) return;
// assign the bitmap to the image
elem.width = finalTileSize.x;
elem.height = finalTileSize.y;
elem.src = canvas.toDataURL();
});
// fill the tiles with the overlay
// shift the map tile containers
const tileShift = utils.modTile(sourceXY.x, sourceXY.y);
const tileShiftStretched = utils.mapSizeToFinalSize(tileShift.x, tileShift.y);
const mapTileContainer = this.elem.querySelector('.map-tiles');
mapTileContainer.style.top = `${-tileShiftStretched.x}px`;
mapTileContainer.style.left = `${-tileShiftStretched.y}px`;
mapTileContainer.style.top = `${-tileShiftStretched.y}px`;
mapTileContainer.style.left = `${-tileShiftStretched.x}px`;
const overlayTileContainer = this.elem.querySelector('.overlay-tiles');
overlayTileContainer.style.top = `${-tileShiftStretched.y}px`;
overlayTileContainer.style.left = `${-tileShiftStretched.x}px`;
// put the elements in the container
const scrollArea = this.elem.querySelector('.scroll-area');