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Code Issues Projects Releases Wiki Activity

Fixed issue with top/left margins; cleaned up naming

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This commit is contained in:
Ian Gilman 2014-10-21 17:11:09 -07:00
parent a14bea39aa
commit 46cd2ab800
3 changed files with 102 additions and 45 deletions
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30
src/drawer.js
View File

@ -324,6 +324,9 @@ $.Drawer.prototype = /** @lends OpenSeadragon.Drawer.prototype */{
}
},
/**
* @private
*/
drawDebugInfo: function( tile, count, i ){
if ( this.useCanvas ) {
this.context.save();
@ -396,6 +399,30 @@ $.Drawer.prototype = /** @lends OpenSeadragon.Drawer.prototype */{
}
},
/**
* @private
*/
debugRect: function(rect) {
if ( this.useCanvas ) {
this.context.save();
this.context.lineWidth = 2;
this.context.strokeStyle = this.debugGridColor;
this.context.fillStyle = this.debugGridColor;
this.context.strokeRect(
rect.x,
rect.y,
rect.width,
rect.height
);
this.context.restore();
}
},
/**
* @private
*/
_offsetForRotation: function( tile, degrees ){
var cx = this.canvas.width / 2,
cy = this.canvas.height / 2,
@ -410,6 +437,9 @@ $.Drawer.prototype = /** @lends OpenSeadragon.Drawer.prototype */{
tile.position.y = py;
},
/**
* @private
*/
_restoreRotationChanges: function( tile ){
var cx = this.canvas.width / 2,
cy = this.canvas.height / 2,

82
src/viewport.js
View File

@ -63,6 +63,15 @@ $.Viewport = function( options ) {
delete options.config;
}
this._margins = $.extend({
left: 0,
top: 0,
right: 0,
bottom: 0
}, options.margins || {});
delete options.margins;
$.extend( true, this, {
//required settings
@ -89,16 +98,9 @@ $.Viewport = function( options ) {
}, options );
this.margins = $.extend({
left: 0,
top: 0,
right: 0,
bottom: 0
}, this.margins || {});
this.containerInnerSize = new $.Point(
Math.max(1, this.containerSize.x - (this.margins.left + this.margins.right)),
Math.max(1, this.containerSize.y - (this.margins.top + this.margins.bottom))
this._containerInnerSize = new $.Point(
Math.max(1, this.containerSize.x - (this._margins.left + this._margins.right)),
Math.max(1, this.containerSize.y - (this._margins.top + this._margins.bottom))
);
this.centerSpringX = new $.Spring({
@ -269,7 +271,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
getMaxZoom: function() {
var zoom = this.maxZoomLevel;
if (!zoom) {
zoom = this.contentSize.x * this.maxZoomPixelRatio / this.containerInnerSize.x;
zoom = this.contentSize.x * this.maxZoomPixelRatio / this._containerInnerSize.x;
zoom /= this.homeBounds.width;
}
@ -280,7 +282,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
* @function
*/
getAspectRatio: function() {
return this.containerInnerSize.x / this.containerInnerSize.y;
return this._containerInnerSize.x / this._containerInnerSize.y;
},
/**
@ -320,11 +322,11 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
*/
getBoundsWithMargins: function( current ) {
var bounds = this.getBounds(current);
var factor = this.containerInnerSize.x * this.getZoom(current);
bounds.x -= this.margins.left / factor;
bounds.y -= this.margins.top / factor;
bounds.width += (this.margins.left + this.margins.right) / factor;
bounds.height += (this.margins.top + this.margins.bottom) / factor;
var factor = this._containerInnerSize.x * this.getZoom(current);
bounds.x -= this._margins.left / factor;
bounds.y -= this._margins.top / factor;
bounds.width += (this._margins.left + this._margins.right) / factor;
bounds.height += (this._margins.top + this._margins.bottom) / factor;
return bounds;
},
@ -368,13 +370,9 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
height
);
newZoomPixel = this.zoomPoint.minus(
bounds.getTopLeft()
).times(
this.containerInnerSize.x / bounds.width
);
newZoomPixel = this._pixelFromPoint(this.zoomPoint, bounds);
deltaZoomPixels = newZoomPixel.minus( oldZoomPixel );
deltaZoomPoints = deltaZoomPixels.divide( this.containerInnerSize.x * zoom );
deltaZoomPoints = deltaZoomPixels.divide( this._containerInnerSize.x * zoom );
return centerTarget.plus( deltaZoomPoints );
},
@ -580,14 +578,14 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
}
referencePoint = oldBounds.getTopLeft().times(
this.containerInnerSize.x / oldBounds.width
this._containerInnerSize.x / oldBounds.width
).minus(
newBounds.getTopLeft().times(
this.containerInnerSize.x / newBounds.width
this._containerInnerSize.x / newBounds.width
)
).divide(
this.containerInnerSize.x / oldBounds.width -
this.containerInnerSize.x / newBounds.width
this._containerInnerSize.x / oldBounds.width -
this._containerInnerSize.x / newBounds.width
);
return this.zoomTo( newZoom, referencePoint, immediately );
@ -833,9 +831,9 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
this.containerSize.x = newContainerSize.x;
this.containerSize.y = newContainerSize.y;
this.containerInnerSize = new $.Point(
Math.max(1, newContainerSize.x - (this.margins.left + this.margins.right)),
Math.max(1, newContainerSize.y - (this.margins.top + this.margins.bottom))
this._containerInnerSize = new $.Point(
Math.max(1, newContainerSize.x - (this._margins.left + this._margins.right)),
Math.max(1, newContainerSize.y - (this._margins.top + this._margins.bottom))
);
if ( maintain ) {
@ -911,7 +909,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
*/
deltaPixelsFromPoints: function( deltaPoints, current ) {
return deltaPoints.times(
this.containerInnerSize.x * this.getZoom( current )
this._containerInnerSize.x * this.getZoom( current )
);
},
@ -922,7 +920,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
*/
deltaPointsFromPixels: function( deltaPixels, current ) {
return deltaPixels.divide(
this.containerInnerSize.x * this.getZoom( current )
this._containerInnerSize.x * this.getZoom( current )
);
},
@ -932,13 +930,19 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
* @param {Boolean} current - Pass true for the current location; defaults to false (target location).
*/
pixelFromPoint: function( point, current ) {
var bounds = this.getBounds( current );
return this._pixelFromPoint(point, this.getBounds( current ));
},
/**
* @private
*/
_pixelFromPoint: function( point, bounds ) {
return point.minus(
bounds.getTopLeft()
).times(
this.containerInnerSize.x / bounds.width
this._containerInnerSize.x / bounds.width
).plus(
new $.Point(this.margins.left, this.margins.top)
new $.Point(this._margins.left, this._margins.top)
);
},
@ -950,9 +954,9 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
pointFromPixel: function( pixel, current ) {
var bounds = this.getBounds( current );
return pixel.minus(
new $.Point(this.margins.left, this.margins.top)
new $.Point(this._margins.left, this._margins.top)
).divide(
this.containerInnerSize.x / bounds.width
this._containerInnerSize.x / bounds.width
).plus(
bounds.getTopLeft()
);
@ -1167,7 +1171,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
*/
viewportToImageZoom: function( viewportZoom ) {
var imageWidth = this.viewer.source.dimensions.x;
var containerWidth = this.containerInnerSize.x;
var containerWidth = this._containerInnerSize.x;
var viewportToImageZoomRatio = containerWidth / imageWidth;
return viewportZoom * viewportToImageZoomRatio;
},
@ -1185,7 +1189,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
*/
imageToViewportZoom: function( imageZoom ) {
var imageWidth = this.viewer.source.dimensions.x;
var containerWidth = this.containerInnerSize.x;
var containerWidth = this._containerInnerSize.x;
var viewportToImageZoomRatio = imageWidth / containerWidth;
return imageZoom * viewportToImageZoomRatio;
}

35
test/demo/collections/main.js
View File

@ -14,20 +14,43 @@
prefixUrl: "../../../build/openseadragon/images/"
};
// config.viewportMargins = {
// top: 250,
// left: 250,
// right: 250,
// bottom: 250
// };
var testMargins = false;
var margins;
if (testMargins) {
margins = {
top: 250,
left: 250,
right: 250,
bottom: 250
};
config.viewportMargins = margins;
}
this.viewer = OpenSeadragon(config);
if (testMargins) {
this.viewer.addHandler('animation', function() {
var box = new OpenSeadragon.Rect(margins.left, margins.top,
$('#contentDiv').width() - (margins.left + margins.right),
$('#contentDiv').height() - (margins.top + margins.bottom));
self.viewer.drawer.debugRect(box);
});
}
this.basicTest();
},
// ----------
basicTest: function() {
var self = this;
this.viewer.addHandler('open', function() {
});
this.viewer.open("../../data/testpattern.dzi");
},