openseadragon/test/demo/drawerperformance.js
2023-08-01 12:20:13 -04:00

972 lines
29 KiB
JavaScript

const sources = {
"rainbow":"../data/testpattern.dzi",
"leaves":"../data/iiif_2_0_sizes/info.json",
"bblue":{
type:'image',
url: "../data/BBlue.png",
},
"duomo":"https://openseadragon.github.io/example-images/duomo/duomo.dzi",
}
const labels = {
rainbow: 'Rainbow Grid',
leaves: 'Leaves',
bblue: 'Blue B',
duomo: 'Duomo',
}
let viewer;
( function () {
// prepare base perf object
if ( typeof window.performance === 'undefined' ) {
window.performance = {};
}
if ( !window.performance.now ) {
var nowOffset = Date.now();
if ( performance.timing && performance.timing.navigationStart ) {
nowOffset = performance.timing.navigationStart;
}
window.performance.now = function now () {
return Date.now() - nowOffset;
};
}
if( !window.performance.mark ) {
window.performance.mark = function(){}
}
if( !window.performance.measure ) {
window.performance.measure = function(){}
}
} )();
// rStats courtesy of https://github.com/spite/rstats
// The MIT License (MIT)
// Copyright (c) 2014 Jaume Sanchez Elias
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
/**
* @class rStats
* @param {rStats~Settings} [settings] Settings for the rStats instance.
*/
/**
* @typedef {Object} rStats~Settings
* @property {Array.<String>} [colours] An array of CSS colour values.
* @property {String} [CSSPath=''] Base URL where rStats.css is located.
* @property {Array.<String>} [css] URLs of CSS or font files to import.
* @property {Object.<String, rStats~CounterProperties>} [values] Properties to use for each counter.
* @property {Array.<Object>} [groups] Define groups of counters.
* @property {Array.<Object>} [fractions] Define stacked counters.
* @property {Array.<Object>} [plugins] Additional plugins.
*/
/**
* @typedef {Object} rStats~CounterProperties
* @property {String} [caption] Caption for this counter.
* @property {Boolean} [average=false] Whether the values should be averaged.
* @property {Number} [avgMs=1000] Duration for which the values should be averaged.
* @property {Number} [below] Value below which the graph should be highlighted.
* @property {Number} [over] Value over which the graph should be highlighted.
* @property {Boolean} [interpolate=true] Whether framerate should be interpolated.
*/
function rStats ( settings ) {
function iterateKeys ( array, callback ) {
var keys = Object.keys( array );
for ( var j = 0, l = keys.length; j < l; j++ ) {
callback( keys[ j ] );
}
}
function importCSS ( url ) {
var element = document.createElement( 'link' );
element.href = url;
element.rel = 'stylesheet';
element.type = 'text/css';
document.getElementsByTagName( 'head' )[ 0 ].appendChild( element );
}
var _settings = settings || {};
var _colours = _settings.colours || [ '#850700', '#c74900', '#fcb300', '#284280', '#4c7c0c' ];
var _cssFont = 'https://fonts.googleapis.com/css?family=Roboto+Condensed:400,700,300';
var _cssRStats = ( _settings.CSSPath ? _settings.CSSPath : '' ) + 'rStats.css';
var _css = _settings.css || [ _cssFont, _cssRStats ];
_css.forEach(function (uri) {
importCSS( uri );
});
if ( !_settings.values ) _settings.values = {};
var _base, _div, _elHeight = 10, _elWidth = 200;
var _perfCounters = {};
function Graph ( _dom, _id, _defArg ) {
var _def = _defArg || {};
var _canvas = document.createElement( 'canvas' ),
_ctx = _canvas.getContext( '2d' ),
_max = 0,
_current = 0;
var c = _def.color ? _def.color : '#666666';
var _dotCanvas = document.createElement( 'canvas' ),
_dotCtx = _dotCanvas.getContext( '2d' );
_dotCanvas.width = 1;
_dotCanvas.height = 2 * _elHeight;
_dotCtx.fillStyle = '#444444';
_dotCtx.fillRect( 0, 0, 1, 2 * _elHeight );
_dotCtx.fillStyle = c;
_dotCtx.fillRect( 0, _elHeight, 1, _elHeight );
_dotCtx.fillStyle = '#ffffff';
_dotCtx.globalAlpha = 0.5;
_dotCtx.fillRect( 0, _elHeight, 1, 1 );
_dotCtx.globalAlpha = 1;
var _alarmCanvas = document.createElement( 'canvas' ),
_alarmCtx = _alarmCanvas.getContext( '2d' );
_alarmCanvas.width = 1;
_alarmCanvas.height = 2 * _elHeight;
_alarmCtx.fillStyle = '#444444';
_alarmCtx.fillRect( 0, 0, 1, 2 * _elHeight );
_alarmCtx.fillStyle = '#b70000';
_alarmCtx.fillRect( 0, _elHeight, 1, _elHeight );
_alarmCtx.globalAlpha = 0.5;
_alarmCtx.fillStyle = '#ffffff';
_alarmCtx.fillRect( 0, _elHeight, 1, 1 );
_alarmCtx.globalAlpha = 1;
function _init () {
_canvas.width = _elWidth;
_canvas.height = _elHeight;
_canvas.style.width = _canvas.width + 'px';
_canvas.style.height = _canvas.height + 'px';
_canvas.className = 'rs-canvas';
_dom.appendChild( _canvas );
_ctx.fillStyle = '#444444';
_ctx.fillRect( 0, 0, _canvas.width, _canvas.height );
}
function _draw ( v, alarm ) {
_current += ( v - _current ) * 0.1;
_max *= 0.99;
if ( _current > _max ) _max = _current;
_ctx.drawImage( _canvas, 1, 0, _canvas.width - 1, _canvas.height, 0, 0, _canvas.width - 1, _canvas.height );
if ( alarm ) {
_ctx.drawImage( _alarmCanvas, _canvas.width - 1, _canvas.height - _current * _canvas.height / _max - _elHeight );
} else {
_ctx.drawImage( _dotCanvas, _canvas.width - 1, _canvas.height - _current * _canvas.height / _max - _elHeight );
}
}
_init();
return {
draw: _draw
};
}
function StackGraph ( _dom, _num ) {
var _canvas = document.createElement( 'canvas' ),
_ctx = _canvas.getContext( '2d' );
function _init () {
_canvas.width = _elWidth;
_canvas.height = _elHeight * _num;
_canvas.style.width = _canvas.width + 'px';
_canvas.style.height = _canvas.height + 'px';
_canvas.className = 'rs-canvas';
_dom.appendChild( _canvas );
_ctx.fillStyle = '#444444';
_ctx.fillRect( 0, 0, _canvas.width, _canvas.height );
}
function _draw ( v ) {
_ctx.drawImage( _canvas, 1, 0, _canvas.width - 1, _canvas.height, 0, 0, _canvas.width - 1, _canvas.height );
var th = 0;
iterateKeys( v, function ( j ) {
var h = v[ j ] * _canvas.height;
_ctx.fillStyle = _colours[ j ];
_ctx.fillRect( _canvas.width - 1, th, 1, h );
th += h;
} );
}
_init();
return {
draw: _draw
};
}
function PerfCounter ( id, group ) {
var _id = id,
_time,
_value = 0,
_total = 0,
_averageValue = 0,
_accumValue = 0,
_accumStart = performance.now(),
_accumSamples = 0,
_dom = document.createElement( 'div' ),
_spanId = document.createElement( 'span' ),
_spanValue = document.createElement( 'div' ),
_spanValueText = document.createTextNode( '' ),
_def = _settings ? _settings.values[ _id.toLowerCase() ] : null,
_graph = new Graph( _dom, _id, _def ),
_started = false;
_spanId.className = 'rs-counter-id';
_spanId.textContent = ( _def && _def.caption ) ? _def.caption : _id;
_spanValue.className = 'rs-counter-value';
_spanValue.appendChild( _spanValueText );
_dom.appendChild( _spanId );
_dom.appendChild( _spanValue );
if ( group ) group.div.appendChild( _dom );
else _div.appendChild( _dom );
_time = performance.now();
function _average ( v ) {
if ( _def && _def.average ) {
_accumValue += v;
_accumSamples++;
var t = performance.now();
if ( t - _accumStart >= ( _def.avgMs || 1000 ) ) {
_averageValue = _accumValue / _accumSamples;
_accumValue = 0;
_accumStart = t;
_accumSamples = 0;
}
}
}
function _start () {
_time = performance.now();
if( _settings.userTimingAPI ) performance.mark( _id + '-start' );
_started = true;
}
function _end () {
_value = performance.now() - _time;
if( _settings.userTimingAPI ) {
performance.mark( _id + '-end' );
if( _started ) {
performance.measure( _id, _id + '-start', _id + '-end' );
}
}
_average( _value );
}
function _tick () {
_end();
_start();
}
function _draw () {
var v = ( _def && _def.average ) ? _averageValue : _value;
_spanValueText.nodeValue = Math.round( v * 100 ) / 100;
var a = ( _def && ( ( _def.below && _value < _def.below ) || ( _def.over && _value > _def.over ) ) );
_graph.draw( _value, a );
_dom.className = a ? 'rs-counter-base alarm' : 'rs-counter-base';
}
function _frame () {
var t = performance.now();
var e = t - _time;
_total++;
if ( e > 1000 ) {
if ( _def && _def.interpolate === false ) {
_value = _total;
} else {
_value = _total * 1000 / e;
}
_total = 0;
_time = t;
_average( _value );
}
}
function _set ( v ) {
_value = v;
_average( _value );
}
return {
set: _set,
start: _start,
tick: _tick,
end: _end,
frame: _frame,
value: function () {
return _value;
},
draw: _draw
};
}
function sample () {
var _value = 0;
function _set ( v ) {
_value = v;
}
return {
set: _set,
value: function () {
return _value;
}
};
}
function _perf ( idArg ) {
var id = idArg.toLowerCase();
if ( id === undefined ) id = 'default';
if ( _perfCounters[ id ] ) return _perfCounters[ id ];
var group = null;
if ( _settings && _settings.groups ) {
iterateKeys( _settings.groups, function ( j ) {
var g = _settings.groups[ parseInt( j, 10 ) ];
if ( !group && g.values.indexOf( id.toLowerCase() ) !== -1 ) {
group = g;
}
} );
}
var p = new PerfCounter( id, group );
_perfCounters[ id ] = p;
return p;
}
function _init () {
if ( _settings.plugins ) {
if ( !_settings.values ) _settings.values = {};
if ( !_settings.groups ) _settings.groups = [];
if ( !_settings.fractions ) _settings.fractions = [];
for ( var j = 0; j < _settings.plugins.length; j++ ) {
_settings.plugins[ j ].attach( _perf );
iterateKeys( _settings.plugins[ j ].values, function ( k ) {
_settings.values[ k ] = _settings.plugins[ j ].values[ k ];
} );
_settings.groups = _settings.groups.concat( _settings.plugins[ j ].groups );
_settings.fractions = _settings.fractions.concat( _settings.plugins[ j ].fractions );
}
} else {
_settings.plugins = {};
}
_base = document.createElement( 'div' );
_base.className = 'rs-base';
_div = document.createElement( 'div' );
_div.className = 'rs-container';
_div.style.height = 'auto';
_base.appendChild( _div );
document.body.appendChild( _base );
if ( !_settings ) return;
if ( _settings.groups ) {
iterateKeys( _settings.groups, function ( j ) {
var g = _settings.groups[ parseInt( j, 10 ) ];
var div = document.createElement( 'div' );
div.className = 'rs-group';
g.div = div;
var h1 = document.createElement( 'h1' );
h1.textContent = g.caption;
h1.addEventListener( 'click', function ( e ) {
this.classList.toggle( 'hidden' );
e.preventDefault();
}.bind( div ) );
_div.appendChild( h1 );
_div.appendChild( div );
} );
}
if ( _settings.fractions ) {
iterateKeys( _settings.fractions, function ( j ) {
var f = _settings.fractions[ parseInt( j, 10 ) ];
var div = document.createElement( 'div' );
div.className = 'rs-fraction';
var legend = document.createElement( 'div' );
legend.className = 'rs-legend';
var h = 0;
iterateKeys( _settings.fractions[ j ].steps, function ( k ) {
var p = document.createElement( 'p' );
p.textContent = _settings.fractions[ j ].steps[ k ];
p.style.color = _colours[ h ];
legend.appendChild( p );
h++;
} );
div.appendChild( legend );
div.style.height = h * _elHeight + 'px';
f.div = div;
var graph = new StackGraph( div, h );
f.graph = graph;
_div.appendChild( div );
} );
}
}
function _update () {
iterateKeys( _settings.plugins, function ( j ) {
_settings.plugins[ j ].update();
} );
iterateKeys( _perfCounters, function ( j ) {
_perfCounters[ j ].draw();
} );
if ( _settings && _settings.fractions ) {
iterateKeys( _settings.fractions, function ( j ) {
var f = _settings.fractions[ parseInt( j, 10 ) ];
var v = [];
var base = _perfCounters[ f.base.toLowerCase() ];
if ( base ) {
base = base.value();
iterateKeys( _settings.fractions[ j ].steps, function ( k ) {
var s = _settings.fractions[ j ].steps[ parseInt( k, 10 ) ].toLowerCase();
var val = _perfCounters[ s ];
if ( val ) {
v.push( val.value() / base );
}
} );
}
f.graph.draw( v );
} );
}
/*if( _height != _div.clientHeight ) {
_height = _div.clientHeight;
_base.style.height = _height + 2 * _elHeight + 'px';
console.log( _base.clientHeight );
}*/
}
_init();
return function ( id ) {
if ( id ) return _perf( id );
return {
element: _base,
update: _update
};
};
}
var glStats = function() {
var _rS = null;
var _totalDrawArraysCalls = 0,
_totalDrawElementsCalls = 0,
_totalUseProgramCalls = 0,
_totalFaces = 0,
_totalVertices = 0,
_totalPoints = 0,
_totalBindTexures = 0;
function _h( f, c ) {
return function() {
c.apply( this, arguments );
f.apply( this, arguments );
}
}
WebGLRenderingContext.prototype.drawArrays = _h( WebGLRenderingContext.prototype.drawArrays, function() {
_totalDrawArraysCalls++;
if( arguments[ 0 ] == this.POINTS ) _totalPoints += arguments[ 2 ];
else _totalVertices += arguments[ 2 ];
} );
WebGLRenderingContext.prototype.drawElements = _h( WebGLRenderingContext.prototype.drawElements, function() {
_totalDrawElementsCalls++;
_totalFaces += arguments[ 1 ] / 3;
_totalVertices += arguments[ 1 ];
} );
WebGLRenderingContext.prototype.useProgram = _h( WebGLRenderingContext.prototype.useProgram, function() {
_totalUseProgramCalls++;
} );
WebGLRenderingContext.prototype.bindTexture = _h( WebGLRenderingContext.prototype.bindTexture, function() {
_totalBindTexures++;
} );
var _values = {
allcalls: { over: 3000, caption: 'Calls (hook)' },
drawelements: { caption: 'drawElements (hook)' },
drawarrays: { caption: 'drawArrays (hook)' },
};
var _groups = [
{ caption: 'WebGL', values: [ 'allcalls', 'drawelements', 'drawarrays', 'useprogram', 'bindtexture', 'glfaces', 'glvertices', 'glpoints' ] }
];
var _fractions = [
{ base: 'allcalls', steps: [ 'drawelements', 'drawarrays' ] }
];
function _update() {
_rS( 'allcalls' ).set( _totalDrawArraysCalls + _totalDrawElementsCalls );
_rS( 'drawElements' ).set( _totalDrawElementsCalls );
_rS( 'drawArrays' ).set( _totalDrawArraysCalls );
_rS( 'bindTexture' ).set( _totalBindTexures );
_rS( 'useProgram' ).set( _totalUseProgramCalls );
_rS( 'glfaces' ).set( _totalFaces );
_rS( 'glvertices' ).set( _totalVertices );
_rS( 'glpoints' ).set( _totalPoints );
}
function _start() {
_totalDrawArraysCalls = 0;
_totalDrawElementsCalls = 0;
_totalUseProgramCalls = 0;
_totalFaces = 0;
_totalVertices = 0;
_totalPoints = 0;
_totalBindTexures = 0;
}
function _end() {}
function _attach( r ) {
_rS = r;
}
return {
update: _update,
start: _start,
end: _end,
attach: _attach,
values: _values,
groups: _groups,
fractions: _fractions
}
}
var threeStats = function( renderer ) {
var _rS = null;
var _values = {
'renderer.info.memory.geometries': { caption: 'Geometries' },
'renderer.info.memory.textures': { caption: 'Textures' },
'renderer.info.memory.programs': { caption: 'Programs' },
'renderer.info.render.calls': { caption: 'Calls' },
'renderer.info.render.faces': { caption: 'Faces', over: 1000 },
'renderer.info.render.points': { caption: 'Points' },
'renderer.info.render.vertices': { caption: 'Vertices' }
};
var _groups = [
{ caption: 'Three.js - memory', values: [ 'renderer.info.memory.geometries', 'renderer.info.memory.programs', 'renderer.info.memory.textures' ] },
{ caption: 'Three.js - render', values: [ 'renderer.info.render.calls', 'renderer.info.render.faces', 'renderer.info.render.points', 'renderer.info.render.vertices' ] }
];
var _fractions = [];
function _update() {
_rS( 'renderer.info.memory.geometries' ).set( renderer.info.memory.geometries );
_rS( 'renderer.info.memory.programs' ).set( renderer.info.memory.programs );
_rS( 'renderer.info.memory.textures' ).set( renderer.info.memory.textures );
_rS( 'renderer.info.render.calls' ).set( renderer.info.render.calls );
_rS( 'renderer.info.render.faces' ).set( renderer.info.render.faces );
_rS( 'renderer.info.render.points' ).set( renderer.info.render.points );
_rS( 'renderer.info.render.vertices' ).set( renderer.info.render.vertices );
}
function _start() {}
function _end() {}
function _attach( r ) {
_rS = r;
}
return {
update: _update,
start: _start,
end: _end,
attach: _attach,
values: _values,
groups: _groups,
fractions: _fractions
}
}
/**
* based on https://github.com/mrdoob/stats.js/ by @author mrdoob / http://mrdoob.com/
*/
class Stats{
constructor(){
this.mode = 0;
var container = this.container = document.createElement( 'div' );
container.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';
container.addEventListener( 'click', function ( event ) {
event.preventDefault();
showPanel( ++ mode % container.children.length );
}, false );
this.dom = container;
this.started = false;
this.fpsPanel = this.addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );
this.msPanel = this.addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );
this.mspsPanel = this.addPanel( new Stats.Panel( 'MSPS', '#0f0', '#020' ) );
if ( window.performance && window.performance.memory ) {
this.memPanel = this.addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );
}
this.showPanel( 0 );
}
//
addPanel( panel ) {
this.container.appendChild( panel.dom );
return panel;
}
showPanel( id ) {
for ( var i = 0; i < this.container.children.length; i ++ ) {
this.container.children[ i ].style.display = i === id ? 'block' : 'none';
}
this.mode = id;
}
//
begin() {
this.beginTime = ( performance || Date ).now();
if(!this.started){
this.started = true;
this.prevTime = this.beginTime;
this.frames = 0;
this.cumulativeMS = 0;
}
}
end() {
this.frames ++;
var time = ( performance || Date ).now();
var interval = time - this.beginTime;
this.cumulativeMS += interval;
this.msPanel.update( interval, 200 );
if ( time >= this.prevTime + 1000 ) {
this.fpsPanel.update( ( this.frames * 1000 ) / ( time - this.prevTime ), 130 );
this.mspsPanel.update( ( this.cumulativeMS * 1000 ) / ( time - this.prevTime ), 1100 );
this.prevTime = time;
this.frames = 0;
this.cumulativeMS = 0;
if ( this.memPanel ) {
var memory = performance.memory;
this.memPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );
}
}
return time;
}
update() {
this.beginTime = this.end();
}
};
Stats.Panel = function ( name, fg, bg ) {
var min = Infinity, max = 0, round = Math.round;
var PR = round( window.devicePixelRatio || 1 );
var WIDTH = 80 * PR, HEIGHT = 48 * PR,
TEXT_X = 3 * PR, TEXT_Y = 2 * PR,
GRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,
GRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;
var canvas = document.createElement( 'canvas' );
canvas.width = WIDTH;
canvas.height = HEIGHT;
canvas.style.cssText = 'width:80px;height:48px';
var context = canvas.getContext( '2d' );
context.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';
context.textBaseline = 'top';
context.fillStyle = bg;
context.fillRect( 0, 0, WIDTH, HEIGHT );
context.fillStyle = fg;
context.fillText( name, TEXT_X, TEXT_Y );
context.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );
context.fillStyle = bg;
context.globalAlpha = 0.9;
context.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );
return {
dom: canvas,
update: function ( value, maxValue ) {
min = Math.min( min, value );
max = Math.max( max, value );
context.fillStyle = bg;
context.globalAlpha = 1;
context.fillRect( 0, 0, WIDTH, GRAPH_Y );
context.fillStyle = fg;
context.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );
context.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );
context.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );
context.fillStyle = bg;
context.globalAlpha = 0.9;
context.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );
}
};
};
// let fpscontainer = $('<div>',{style:'position:fixed;top:0;left:0;'}).appendTo('body');
// let labels=$('<div>',{style:'display:grid;grid-template-columns:1fr 1fr 1fr;justify-items:center;'}).appendTo(fpscontainer);
// $('<label>').text('FPS').appendTo(labels);
// $('<label>').text('Update (ms)').appendTo(labels);
// $('<label>').text('Draw (ms)').appendTo(labels);
// var statsFPS=new Stats();
// statsFPS.begin();
// $(statsFPS.dom).css({position:'relative', display:'inline-block'}).appendTo(fpscontainer);
// requestAnimationFrame(function loop(){statsFPS.update();requestAnimationFrame(loop)});
// var statsUpdate=new Stats();
// $(statsUpdate.dom).css({position:'relative', display:'inline-block'}).appendTo(fpscontainer);
// statsUpdate.showPanel(2);
// var statsDraw=new Stats();
// $(statsDraw.dom).css({position:'relative', display:'inline-block'}).appendTo(fpscontainer);
// statsDraw.showPanel(2);
let origUpdate = OpenSeadragon.World.prototype.update;
let origDraw = OpenSeadragon.World.prototype.draw;
let glS = new glStats();
let rS = new rStats( {
values: {
frame: { caption: 'Total frame time (ms)', over: 16 },
fps: { caption: 'Framerate (FPS)', below: 30 },
raf: { caption: 'Time since last rAF (ms)' },
rstats: { caption: 'rStats update (ms)' }
},
groups: [
{ caption: 'Framerate', values: [ 'fps', 'raf' ] },
{ caption: 'Frame Budget', values: [ 'frame', 'update','draw','other'] }
],
fractions: [
{ base: 'frame', steps: [ 'update', 'draw', 'other' ] }
],
plugins: [
// tS,
glS
]
} );
OpenSeadragon.World.prototype.update = function(){
// statsUpdate.begin();
rS( 'frame' ).end();
rS('other').end();
rS( 'frame' ).start();
glS.start();
rS( 'rAF' ).tick();
rS( 'FPS' ).frame();
rS('update').start();
origUpdate.call(this, ...arguments);
// statsUpdate.end();
rS('update').end();
};
OpenSeadragon.World.prototype.draw = function(){
// statsDraw.begin();
rS('draw').start();
origDraw.call(this, ...arguments);
// statsDraw.end();
rS('draw').end();
rS('other').start();
rS().update();
}
// })();
$('#create-drawer').on('click',function(){
let drawerType = $('#select-drawer').val();
let num = Math.floor($('#input-number').val());
rS('other').start();
run(drawerType, num);
});
function run(drawerType, num) {
if(viewer){
viewer.destroy();
}
viewer = window.viewer = makeViewer(drawerType);
let tileSources = makeTileSources(num);
tileSources.forEach((ts, i) => {
viewer.addTiledImage({
tileSource: ts,
x: (i % 10) / 20,
y: Math.floor(i / 10) / 20,
width: 1,
opacity: (i % 3) === 0 ? 0.4 : 1
});
});
window.setTimeout(()=>viewer.viewport.goHome(), 500);
let movingLeft = false;
if(window.interval){
window.clearInterval(window.interval);
}
window.interval = window.setInterval(()=>{
let m = movingLeft ? 1 : -1;
movingLeft = m === -1;
let dist = viewer.viewport.getBounds().width;
viewer.viewport.panBy(new OpenSeadragon.Point( dist * m/40, 0));
}, 1000);
}
function makeViewer(drawerType){
let viewer = OpenSeadragon({
id: "drawer",
prefixUrl: "../../build/openseadragon/images/",
minZoomImageRatio:0.01,
maxZoomPixelRatio:100,
smoothTileEdgesMinZoom:1.1,
crossOriginPolicy: 'Anonymous',
ajaxWithCredentials: false,
drawer:drawerType,
blendTime:0
});
return viewer;
}
function makeTileSources(num){
let keys = Object.keys(sources);
let indices = Array.from(Array(num).keys());
return indices.map(index => {
let ts = sources[keys[index % keys.length]];
return ts;
})
}