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Support tilePixelRatio in Zoomify to support retina

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This commit is contained in:
Vincent Lecrubier
2019-05-08 22:48:54 +02:00
parent f366eaea52
commit ea55f39298
3 changed files with 83 additions and 17 deletions
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16
src/ol/source/Zoomify.js
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@@ -26,6 +26,7 @@ const TierSizeCalculation = {
export class CustomTile extends ImageTile {
/**
* @param {number} tilePixelRatio Tile pixel ratio to disaply the tile
* @param {import("../tilegrid/TileGrid.js").default} tileGrid TileGrid that the tile belongs to.
* @param {import("../tilecoord.js").TileCoord} tileCoord Tile coordinate.
* @param {TileState} state State.
@@ -34,8 +35,7 @@ export class CustomTile extends ImageTile {
* @param {import("../Tile.js").LoadFunction} tileLoadFunction Tile load function.
* @param {import("../Tile.js").Options=} opt_options Tile options.
*/
constructor(tileGrid, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options) {
constructor(tilePixelRatio, tileGrid, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options) {
super(tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options);
/**
@@ -48,8 +48,11 @@ export class CustomTile extends ImageTile {
* @private
* @type {import("../size.js").Size}
*/
this.tileSize_ = toSize(tileGrid.getTileSize(tileCoord[0]));
this.tileSize_ = toSize(tileGrid.getTileSize(tileCoord[0])).map(
function(x) {
return x * tilePixelRatio;
}
);
}
/**
@@ -143,6 +146,7 @@ class Zoomify extends TileImage {
const extent = options.extent || [0, -size[1], size[0], 0];
const tierSizeInTiles = [];
const tileSize = options.tileSize || DEFAULT_TILE_SIZE;
const tilePixelRatio = options.tilePixelRatio || 1;
let tileSizeForTierSizeCalculation = tileSize;
switch (tierSizeCalculation) {
@@ -242,14 +246,14 @@ class Zoomify extends TileImage {
const tileUrlFunction = createFromTileUrlFunctions(urls.map(createFromTemplate));
const ZoomifyTileClass = CustomTile.bind(null, tileGrid);
const ZoomifyTileClass = CustomTile.bind(null, tilePixelRatio, tileGrid);
super({
attributions: options.attributions,
cacheSize: options.cacheSize,
crossOrigin: options.crossOrigin,
projection: options.projection,
tilePixelRatio: options.tilePixelRatio,
tilePixelRatio: tilePixelRatio,
reprojectionErrorThreshold: options.reprojectionErrorThreshold,
tileClass: ZoomifyTileClass,
tileGrid: tileGrid,