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https://github.com/openseadragon/openseadragon.git
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Cleaned out dead code in scheduleUpdate and updateMulti
… as pointed out by @ventero
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@ -1243,23 +1243,7 @@ function openTileSource( viewer, source ) {
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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// Schedulers provide the general engine for animation
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// Schedulers provide the general engine for animation
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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function scheduleUpdate( viewer, updateFunc, prevUpdateTime ){
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function scheduleUpdate( viewer, updateFunc ){
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var currentTime,
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targetTime,
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deltaTime;
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if ( THIS[ viewer.hash ].animating ) {
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return $.requestAnimationFrame( function(){
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updateFunc( viewer );
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} );
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}
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currentTime = +new Date();
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prevUpdateTime = prevUpdateTime ? prevUpdateTime : currentTime;
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// 60 frames per second is ideal
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targetTime = prevUpdateTime + 1000 / 60;
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deltaTime = Math.max( 1, targetTime - currentTime );
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return $.requestAnimationFrame( function(){
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return $.requestAnimationFrame( function(){
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updateFunc( viewer );
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updateFunc( viewer );
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} );
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} );
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@ -1465,21 +1449,16 @@ function onContainerEnter( tracker, position, buttonDownElement, buttonDownAny )
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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function updateMulti( viewer ) {
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function updateMulti( viewer ) {
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var beginTime;
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if ( !viewer.source ) {
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if ( !viewer.source ) {
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viewer._updateRequestId = null;
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viewer._updateRequestId = null;
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return;
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return;
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}
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}
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beginTime = +new Date();
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updateOnce( viewer );
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updateOnce( viewer );
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// Request the next frame, unless we've been closed during the updateOnce()
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// Request the next frame, unless we've been closed during the updateOnce()
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if ( viewer.source ) {
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if ( viewer.source ) {
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viewer._updateRequestId = scheduleUpdate( viewer,
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viewer._updateRequestId = scheduleUpdate( viewer, updateMulti );
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arguments.callee, beginTime );
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}
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}
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}
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}
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