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style changes, per @iangilman on openseadragon/openseadragon#315

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Jon Stroop 2014-01-07 14:59:44 -05:00
parent 24298dcbba
commit ddde07b614
1 changed files with 38 additions and 38 deletions
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76
src/iiif1_1tilesource.js
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@ -49,45 +49,45 @@ $.IIIF1_1TileSource = function( options ){
$.extend( true, this, options );
if( !(this.height && this.width && this['@id'] ) ){
throw new Error('IIIF required parameters not provided.');
if ( !( this.height && this.width && this['@id'] ) ){
throw new Error( 'IIIF required parameters not provided.' );
}
if( (this.profile &&
if ( ( this.profile &&
this.profile == "http://library.stanford.edu/iiif/image-api/1.1/compliance.html#level0" ) ){
// what if not reporting a profile?
throw new Error('IIIF Image API 1.1 compliance level 1 or greater is required.');
throw new Error( 'IIIF Image API 1.1 compliance level 1 or greater is required.' );
}
if (this.tile_width) {
if ( this.tile_width ) {
options.tileSize = this.tile_width;
} else if (this.tile_height) {
} else if ( this.tile_height ) {
options.tileSize = this.tile_height;
} else {
// use the largest of tile_options that is smaller than the short
// use the largest of tileOptions that is smaller than the short
// dimension
var short_dim = Math.min(this.height, this.width),
tile_options = [256,512,1024],
smaller_tiles = [];
var shortDim = Math.min( this.height, this.width ),
tileOptions = [256,512,1024],
smallerTiles = [];
for ( var c = 0; c < tile_options.length; c++ ) {
if ( tile_options[c] <= short_dim ) {
smaller_tiles.push(tile_options[c]);
for ( var c = 0; c < tileOptions.length; c++ ) {
if ( tileOptions[c] <= shortDim ) {
smallerTiles.push( tileOptions[c] );
}
}
if ( smaller_tiles.length > 0 ) {
options.tileSize = Math.max.apply(null, smaller_tiles);
if ( smallerTiles.length > 0 ) {
options.tileSize = Math.max.apply( null, smallerTiles );
} else {
// If we're smaller than 256, just use the short side.
options.tileSize = short_dim;
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 ) {
if ( !options.maxLevel ) {
var mf = -1;
var scfs = this.scale_factors || this.scale_factor;
if ( scfs instanceof Array ) {
@ -96,7 +96,7 @@ $.IIIF1_1TileSource = function( options ){
if ( !isNaN( cf ) && cf > mf ) { mf = cf; }
}
}
if ( mf < 0 ) { options.maxLevel = Number(Math.ceil(Math.log(Math.max(this.width, this.height), 2))); }
if ( mf < 0 ) { options.maxLevel = Number( Math.ceil( Math.log( Math.max( this.width, this.height ), 2 ) ) ); }
else { options.maxLevel = mf; }
}
@ -157,34 +157,34 @@ $.extend( $.IIIF1_1TileSource.prototype, $.TileSource.prototype, /** @lends Open
scale = Math.pow( 0.5, this.maxLevel - level ),
//# image dimensions at this level
level_width = Math.ceil( this.width * scale ),
level_height = Math.ceil( this.height * scale ),
levelWidth = Math.ceil( this.width * scale ),
levelHeight = Math.ceil( this.height * scale ),
//## iiif region
iiif_tile_size_width = Math.ceil( this.tileSize / scale ),
iiif_tile_size_height = Math.ceil( this.tileSize / scale ),
iiif_region,
iiif_tile_x,
iiif_tile_y,
iiif_tile_w,
iiif_tile_h,
iiif_size,
iiifTileSizeWidth = Math.ceil( this.tileSize / scale ),
iiifTileSizeHeight = Math.ceil( this.tileSize / scale ),
iiifRegion,
iiifTileX,
iiifTileY,
iiifTileW,
iiifTileH,
iiifSize,
uri;
if ( level_width < this.tile_width && level_height < this.tile_height ){
iiif_size = level_width + ",";
iiif_region = 'full';
if ( levelWidth < this.tile_width && levelHeight < this.tile_height ){
iiifSize = levelWidth + ",";
iiifRegion = 'full';
} else {
iiif_tile_x = x * iiif_tile_size_width;
iiif_tile_y = y * iiif_tile_size_height;
iiif_tile_w = Math.min( iiif_tile_size_width, this.width - iiif_tile_x );
iiif_tile_h = Math.min( iiif_tile_size_height, this.height - iiif_tile_y );
iiifTileX = x * iiifTileSizeWidth;
iiifTileY = y * iiifTileSizeHeight;
iiifTileW = Math.min( iiifTileSizeWidth, this.width - iiifTileX );
iiifTileH = Math.min( iiifTileSizeHeight, this.height - iiifTileY );
iiif_size = Math.ceil(iiif_tile_w * scale) + ",";
iiifSize = Math.ceil( iiifTileW * scale ) + ",";
iiif_region = [ iiif_tile_x, iiif_tile_y, iiif_tile_w, iiif_tile_h ].join(',');
iiifRegion = [ iiifTileX, iiifTileY, iiifTileW, iiifTileH ].join( ',' );
}
uri = [ this['@id'], iiif_region, iiif_size, IIIF_ROTATION, IIIF_QUALITY ].join('/');
uri = [ this['@id'], iiifRegion, iiifSize, IIIF_ROTATION, IIIF_QUALITY ].join( '/' );
return uri;
}
});