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Respect non-square tiles if available from IIIFTileSources

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This commit is contained in:
Conner Wingard 2015-07-10 14:26:51 -04:00
parent c27a43e49e
commit df7bd2e5ce
1 changed files with 13 additions and 8 deletions
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21
src/iiiftilesource.js
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@ -55,14 +55,19 @@ $.IIIFTileSource = function( options ){
options.tileSizePerScaleFactor = {};
// N.B. 2.0 renamed scale_factors to scaleFactors
if ( this.tile_width ) {
if ( this.tile_width && this.tile_height ) {
options.tileWidth = this.tile_width;
options.tileHeight = this.tile_height;
} else if ( this.tile_width ) {
options.tileSize = this.tile_width;
} else if ( this.tile_height ) {
options.tileSize = this.tile_height;
} else if ( this.tiles ) {
// Version 2.0 forwards
if ( this.tiles.length == 1 ) {
options.tileSize = this.tiles[0].width;
options.tileWidth = this.tiles[0].width;
// Use height if provided, otherwise assume square tiles and use width.
options.tileHeight = this.tiles[0].height || this.tiles[0].width;
this.scale_factors = this.tiles[0].scaleFactors;
} else {
// Multiple tile sizes at different levels
@ -71,13 +76,15 @@ $.IIIFTileSource = function( options ){
for (var sf = 0; sf < this.tiles[t].scaleFactors.length; sf++) {
var scaleFactor = this.tiles[t].scaleFactors[sf];
this.scale_factors.push(scaleFactor);
options.tileSizePerScaleFactor[scaleFactor] = this.tiles[t].width;
options.tileSizePerScaleFactor[scaleFactor] = {
width: this.tiles[t].width,
height: this.tiles[t].height || this.tiles[t].width
};
}
}
}
} else {
// use the largest of tileOptions that is smaller than the short dimension
var shortDim = Math.min( this.height, this.width ),
tileOptions = [256,512,1024],
smallerTiles = [];
@ -94,8 +101,6 @@ $.IIIFTileSource = function( options ){
// If we're smaller than 256, just use the short side.
options.tileSize = shortDim;
}
this.tile_width = options.tileSize; // So that 'full' gets used for
this.tile_height = options.tileSize; // the region below
}
if ( !options.maxLevel ) {
@ -190,7 +195,7 @@ $.extend( $.IIIFTileSource.prototype, $.TileSource.prototype, /** @lends OpenSea
var scaleFactor = Math.pow(2, this.maxLevel - level);
if (this.tileSizePerScaleFactor && this.tileSizePerScaleFactor[scaleFactor]) {
return this.tileSizePerScaleFactor[scaleFactor];
return this.tileSizePerScaleFactor[scaleFactor].width;
}
return this._tileWidth;
},
@ -204,7 +209,7 @@ $.extend( $.IIIFTileSource.prototype, $.TileSource.prototype, /** @lends OpenSea
var scaleFactor = Math.pow(2, this.maxLevel - level);
if (this.tileSizePerScaleFactor && this.tileSizePerScaleFactor[scaleFactor]) {
return this.tileSizePerScaleFactor[scaleFactor];
return this.tileSizePerScaleFactor[scaleFactor].height;
}
return this._tileHeight;
},