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Revert "Merge pull request #2059 from kim-sanghoon/fix/getLevelScale"

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This reverts commit 1454ac791a, reversing
changes made to fcca75c57e.
This commit is contained in:
Sanghoon Kim 2021-11-23 16:22:41 +09:00
parent b3196a9756
commit 91793ce752
1 changed files with 3 additions and 7 deletions
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10
src/tilesource.js
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@ -284,14 +284,10 @@ $.TileSource.prototype = {
// see https://github.com/openseadragon/openseadragon/issues/22 // see https://github.com/openseadragon/openseadragon/issues/22
// we use the tilesources implementation of getLevelScale to generate // we use the tilesources implementation of getLevelScale to generate
// a memoized re-implementation // a memoized re-implementation
var maxLevel = Math.ceil( var levelScaleCache = {},
Math.log( Math.max( this.dimensions.x, this.dimensions.y ) ) /
Math.log( 2 )
),
levelScaleCache = {},
i; i;
for( i = 0; i <= maxLevel; i++ ){ for( i = 0; i <= this.maxLevel; i++ ){
levelScaleCache[ i ] = 1 / Math.pow(2, maxLevel - i); levelScaleCache[ i ] = 1 / Math.pow(2, this.maxLevel - i);
} }
this.getLevelScale = function( _level ){ this.getLevelScale = function( _level ){
return levelScaleCache[ _level ]; return levelScaleCache[ _level ];