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Merge branch 'openseadragon:master' into cache-key

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Aiosa 2022-04-02 15:23:37 +02:00 committed by GitHub
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2 changed files with 118 additions and 115 deletions
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2
changelog.txt
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@ -13,6 +13,8 @@ OPENSEADRAGON CHANGELOG
* Fixed: Setting useCanvas to false would break the viewer (#2116 @rvv-bouvet)
* Allow silencing multi-image warnings on viewport coordinate conversion functions (#2120 @claycoleman)
* Fixed: Swiping fast multiple times made contact points in MouseTracker out of sync for touch events (#2121 @ronnymikalsen)
* Made MouseTracker more robust in certain scenarios (#2134 @Aiosa)
* Exposed TiledImage's private functions for better maintainability (#2134 @Aiosa)
3.0.0:

231
src/tiledimage.js
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@ -1176,7 +1176,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
// Stop the loop if lower-res tiles would all be covered by
// already drawn tiles
if ($.TiledImage._providesCoverage(this.coverage, level)) {
if (this._providesCoverage(this.coverage, level)) {
break;
}
}
@ -1287,8 +1287,8 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
});
}
$.TiledImage._resetCoverage(this.coverage, level);
$.TiledImage._resetCoverage(this.loadingCoverage, level);
this._resetCoverage(this.coverage, level);
this._resetCoverage(this.loadingCoverage, level);
//OK, a new drawing so do your calculations
var cornerTiles = this._getCornerTiles(level, topLeftBound, bottomRightBound);
@ -1392,18 +1392,18 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
});
}
$.TiledImage._setCoverage( this.coverage, level, x, y, false );
this._setCoverage( this.coverage, level, x, y, false );
var loadingCoverage = tile.loaded || tile.loading || $.TiledImage._isCovered(this.loadingCoverage, level, x, y);
$.TiledImage._setCoverage(this.loadingCoverage, level, x, y, loadingCoverage);
var loadingCoverage = tile.loaded || tile.loading || this._isCovered(this.loadingCoverage, level, x, y);
this._setCoverage(this.loadingCoverage, level, x, y, loadingCoverage);
if ( !tile.exists ) {
return best;
}
if ( haveDrawn && !drawTile ) {
if ( $.TiledImage._isCovered( this.coverage, level, x, y ) ) {
$.TiledImage._setCoverage( this.coverage, level, x, y, true );
if ( this._isCovered( this.coverage, level, x, y ) ) {
this._setCoverage( this.coverage, level, x, y, true );
} else {
drawTile = true;
}
@ -1790,7 +1790,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
this.lastDrawn.push( tile );
if ( opacity === 1 ) {
$.TiledImage._setCoverage( this.coverage, level, x, y, true );
this._setCoverage( this.coverage, level, x, y, true );
this._hasOpaqueTile = true;
} else if ( deltaTime < blendTimeMillis ) {
return true;
@ -2081,124 +2081,125 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
}
}
}
}
});
},
/**
* @private
* @inner
* Returns true if the given tile provides coverage to lower-level tiles of
* lower resolution representing the same content. If neither x nor y is
* given, returns true if the entire visible level provides coverage.
*
* Note that out-of-bounds tiles provide coverage in this sense, since
* there's no content that they would need to cover. Tiles at non-existent
* levels that are within the image bounds, however, do not.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of the tile.
* @param {Number} x - The X position of the tile.
* @param {Number} y - The Y position of the tile.
* @returns {Boolean}
*/
$.TiledImage._providesCoverage = function( coverage, level, x, y ) {
var rows,
cols,
i, j;
/**
* @private
* @inner
* Returns true if the given tile provides coverage to lower-level tiles of
* lower resolution representing the same content. If neither x nor y is
* given, returns true if the entire visible level provides coverage.
*
* Note that out-of-bounds tiles provide coverage in this sense, since
* there's no content that they would need to cover. Tiles at non-existent
* levels that are within the image bounds, however, do not.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of the tile.
* @param {Number} x - The X position of the tile.
* @param {Number} y - The Y position of the tile.
* @returns {Boolean}
*/
_providesCoverage: function( coverage, level, x, y ) {
var rows,
cols,
i, j;
if ( !coverage[ level ] ) {
return false;
}
if ( !coverage[ level ] ) {
return false;
}
if ( x === undefined || y === undefined ) {
rows = coverage[ level ];
for ( i in rows ) {
if ( Object.prototype.hasOwnProperty.call( rows, i ) ) {
cols = rows[ i ];
for ( j in cols ) {
if ( Object.prototype.hasOwnProperty.call( cols, j ) && !cols[ j ] ) {
return false;
if ( x === undefined || y === undefined ) {
rows = coverage[ level ];
for ( i in rows ) {
if ( Object.prototype.hasOwnProperty.call( rows, i ) ) {
cols = rows[ i ];
for ( j in cols ) {
if ( Object.prototype.hasOwnProperty.call( cols, j ) && !cols[ j ] ) {
return false;
}
}
}
}
return true;
}
return true;
}
return (
coverage[ level ][ x] === undefined ||
coverage[ level ][ x ][ y ] === undefined ||
coverage[ level ][ x ][ y ] === true
);
};
/**
* @private
* @inner
* Returns true if the given tile is completely covered by higher-level
* tiles of higher resolution representing the same content. If neither x
* nor y is given, returns true if the entire visible level is covered.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of the tile.
* @param {Number} x - The X position of the tile.
* @param {Number} y - The Y position of the tile.
* @returns {Boolean}
*/
$.TiledImage._isCovered = function( coverage, level, x, y ) {
if ( x === undefined || y === undefined ) {
return this._providesCoverage( coverage, level + 1 );
} else {
return (
this._providesCoverage( coverage, level + 1, 2 * x, 2 * y ) &&
this._providesCoverage( coverage, level + 1, 2 * x, 2 * y + 1 ) &&
this._providesCoverage( coverage, level + 1, 2 * x + 1, 2 * y ) &&
this._providesCoverage( coverage, level + 1, 2 * x + 1, 2 * y + 1 )
coverage[ level ][ x] === undefined ||
coverage[ level ][ x ][ y ] === undefined ||
coverage[ level ][ x ][ y ] === true
);
},
/**
* @private
* @inner
* Returns true if the given tile is completely covered by higher-level
* tiles of higher resolution representing the same content. If neither x
* nor y is given, returns true if the entire visible level is covered.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of the tile.
* @param {Number} x - The X position of the tile.
* @param {Number} y - The Y position of the tile.
* @returns {Boolean}
*/
_isCovered: function( coverage, level, x, y ) {
if ( x === undefined || y === undefined ) {
return this._providesCoverage( coverage, level + 1 );
} else {
return (
this._providesCoverage( coverage, level + 1, 2 * x, 2 * y ) &&
this._providesCoverage( coverage, level + 1, 2 * x, 2 * y + 1 ) &&
this._providesCoverage( coverage, level + 1, 2 * x + 1, 2 * y ) &&
this._providesCoverage( coverage, level + 1, 2 * x + 1, 2 * y + 1 )
);
}
},
/**
* @private
* @inner
* Sets whether the given tile provides coverage or not.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of the tile.
* @param {Number} x - The X position of the tile.
* @param {Number} y - The Y position of the tile.
* @param {Boolean} covers - Whether the tile provides coverage.
*/
_setCoverage: function( coverage, level, x, y, covers ) {
if ( !coverage[ level ] ) {
$.console.warn(
"Setting coverage for a tile before its level's coverage has been reset: %s",
level
);
return;
}
if ( !coverage[ level ][ x ] ) {
coverage[ level ][ x ] = {};
}
coverage[ level ][ x ][ y ] = covers;
},
/**
* @private
* @inner
* Resets coverage information for the given level. This should be called
* after every draw routine. Note that at the beginning of the next draw
* routine, coverage for every visible tile should be explicitly set.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of tiles to completely reset.
*/
_resetCoverage: function( coverage, level ) {
coverage[ level ] = {};
}
};
});
/**
* @private
* @inner
* Sets whether the given tile provides coverage or not.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of the tile.
* @param {Number} x - The X position of the tile.
* @param {Number} y - The Y position of the tile.
* @param {Boolean} covers - Whether the tile provides coverage.
*/
$.TiledImage._setCoverage = function( coverage, level, x, y, covers ) {
if ( !coverage[ level ] ) {
$.console.warn(
"Setting coverage for a tile before its level's coverage has been reset: %s",
level
);
return;
}
if ( !coverage[ level ][ x ] ) {
coverage[ level ][ x ] = {};
}
coverage[ level ][ x ][ y ] = covers;
};
/**
* @private
* @inner
* Resets coverage information for the given level. This should be called
* after every draw routine. Note that at the beginning of the next draw
* routine, coverage for every visible tile should be explicitly set.
*
* @param {Object} coverage - A '3d' dictionary [level][x][y] --> Boolean.
* @param {Number} level - The resolution level of tiles to completely reset.
*/
$.TiledImage._resetCoverage = function( coverage, level ) {
coverage[ level ] = {};
};
/**
* @private