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Code Issues Projects Releases Wiki Activity

Multi-Touch MouseTracker Update

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Ready to pull request, merging upstream changes and running tests.
This commit is contained in:
Mark Salsbery 2014-03-29 17:02:24 -07:00
parent 70716b0706
commit 1475f5865d
3 changed files with 831 additions and 806 deletions
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1509
src/mousetracker.js
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File diff suppressed because it is too large Load Diff

2
src/openseadragon.js
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@ -742,7 +742,7 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
maxZoomLevel: null,
//UI RESPONSIVENESS AND FEEL
springStiffness: 7.0,
springStiffness: 5.0,
clickTimeThreshold: 300,
clickDistThreshold: 5,
zoomPerClick: 2,

126
src/viewer.js
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@ -1,3 +1,4 @@
/// <reference path="http://localhost/OpenSeadragonImagingHelper/index.html" />
/*
* OpenSeadragon - Viewer
*
@ -391,6 +392,7 @@ $.Viewer = function( options ) {
clickDistThreshold: this.clickDistThreshold,
clickHandler: $.delegate( this, onCanvasClick ),
dragHandler: $.delegate( this, onCanvasDrag ),
dragEndHandler: $.delegate( this, onCanvasDragEnd ),
releaseHandler: $.delegate( this, onCanvasRelease ),
scrollHandler: $.delegate( this, onCanvasScroll ),
pinchHandler: $.delegate( this, onCanvasPinch )
@ -2246,7 +2248,7 @@ function onCanvasDrag( event ) {
if( !this.panVertical ){
event.delta.y = 0;
}
this.viewport.panBy( this.viewport.deltaPointsFromPixels( event.delta.negate() ), true );
this.viewport.panBy( this.viewport.deltaPointsFromPixels( event.delta.negate() ), ( event.pointerType !== 'mouse' ) ? true : false );
if( this.constrainDuringPan ){
this.viewport.applyConstraints();
}
@ -2261,6 +2263,8 @@ function onCanvasDrag( event ) {
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {OpenSeadragon.Point} position - The position of the event relative to the tracked element.
* @property {OpenSeadragon.Point} delta - The x,y components of the difference between start drag and end drag.
* @property {Number} speed - Current computed speed, in pixels per second.
* @property {Number} direction - Current computed direction, expressed as an angle counterclockwise relative to the positive X axis (-pi to pi, in radians). Only valid if speed > 0.
* @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
@ -2269,13 +2273,49 @@ function onCanvasDrag( event ) {
tracker: event.eventSource,
position: event.position,
delta: event.delta,
speed: event.speed,
direction: event.direction,
shift: event.shift,
originalEvent: event.originalEvent
});
}
function onCanvasDragEnd( event ) {
if ( event.pointerType !== 'mouse' && !event.preventDefaultAction && this.viewport && event.speed > 20 ) {
var amplitudeX = 0.35 * ( event.speed * Math.cos( event.direction ) ),
amplitudeY = 0.35 * ( event.speed * Math.sin( event.direction ) ),
center = this.viewport.pixelFromPoint( this.viewport.getCenter( true ) ),
target = this.viewport.pointFromPixel( new $.Point( center.x - amplitudeX, center.y - amplitudeY ) );
this.viewport.panTo( target, false );
this.viewport.applyConstraints();
}
/**
* Raised when a mouse or touch drag operation ends on the {@link OpenSeadragon.Viewer#canvas} element.
*
* @event canvas-drag-end
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {OpenSeadragon.Point} position - The position of the event relative to the tracked element.
* @property {Number} speed - Speed at the end of a drag gesture, in pixels per second.
* @property {Number} direction - Direction at the end of a drag gesture, expressed as an angle counterclockwise relative to the positive X axis (-pi to pi, in radians). Only valid if speed > 0.
* @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent( 'canvas-drag-end', {
tracker: event.eventSource,
position: event.position,
speed: event.speed,
direction: event.direction,
shift: event.shift,
originalEvent: event.originalEvent
});
}
function onCanvasRelease( event ) {
if ( event.insideElementPressed && this.viewport ) {
if ( event.pointerType === 'mouse' && event.insideElementPressed && this.viewport ) {
this.viewport.applyConstraints();
}
/**
@ -2301,6 +2341,45 @@ function onCanvasRelease( event ) {
});
}
function onCanvasPinch( event ) {
if ( !event.preventDefaultAction && this.viewport ) {
var centerPt = this.viewport.pointFromPixel( event.center, true ),
lastCenterPt = this.viewport.pointFromPixel( event.lastCenter, true );
this.viewport.zoomBy( event.distance / event.lastDistance, centerPt, true );
this.viewport.panBy( lastCenterPt.minus( centerPt ), true );
this.viewport.applyConstraints();
}
/**
* Raised when a pinch event occurs on the {@link OpenSeadragon.Viewer#canvas} element.
*
* @event canvas-pinch
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {Array.<OpenSeadragon.MouseTracker.GesturePoint>} gesturePoints - Gesture points associated with the gesture. Velocity data can be found here.
* @property {OpenSeadragon.Point} lastCenter - The previous center point of the two pinch contact points relative to the tracked element.
* @property {OpenSeadragon.Point} center - The center point of the two pinch contact points relative to the tracked element.
* @property {Number} lastDistance - The previous distance between the two pinch contact points in CSS pixels.
* @property {Number} distance - The distance between the two pinch contact points in CSS pixels.
* @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent('canvas-pinch', {
tracker: event.eventSource,
gesturePoints: event.gesturePoints,
lastCenter: event.lastCenter,
center: event.center,
lastDistance: event.lastDistance,
distance: event.distance,
shift: event.shift,
originalEvent: event.originalEvent
});
//cancels event
return false;
}
function onCanvasScroll( event ) {
var factor;
if ( !event.preventDefaultAction && this.viewport ) {
@ -2336,49 +2415,6 @@ function onCanvasScroll( event ) {
return false;
}
function onCanvasPinch(event) {
//{
// eventSource:
// gesturePoints:
// lastCenter:
// center:
// lastDistance:
// distance:
// originalEvent:
// preventDefaultAction:
// userData:
//}
if (!event.preventDefaultAction && this.viewport) {
var centerPt = this.viewport.pointFromPixel( event.center, true ),
lastCenterPt = this.viewport.pointFromPixel( event.lastCenter, true );
this.viewport.zoomBy( event.distance / event.lastDistance, centerPt, true );
this.viewport.panBy( lastCenterPt.minus( centerPt ), true );
this.viewport.applyConstraints();
}
/**
* Raised when a pinch event occurs on the {@link OpenSeadragon.Viewer#canvas} element.
*
* @event canvas-pinch
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {OpenSeadragon.Point} position - The position of the event relative to the tracked element.
* @property {Number} delta - The pinch delta for the event.
* @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {OpenSeadragon.GesturePoint[]} gesturePoints -
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent('canvas-pinch', {
tracker: event.eventSource,
shift: event.shift,
originalEvent: event.originalEvent
});
//cancels event
return false;
}
function onContainerExit( event ) {
if ( !event.insideElementPressed ) {
THIS[ this.hash ].mouseInside = false;