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add Bounds.intersectsBounds() function and tests

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@1529 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
euzuro
2006-10-02 23:49:19 +00:00
parent 36a76054a4
commit 07fc49ab31
2 changed files with 59 additions and 2 deletions
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22
lib/OpenLayers/BaseTypes.js
View File

@@ -474,7 +474,27 @@ OpenLayers.Bounds.prototype = {
}
return contains;
},
/**
* @param {OpenLayers.Bounds} bounds
* @param {Boolean} inclusive Whether or not to include the border.
* Default is true
*
* @return Whether or not the passed-in OpenLayers.Bounds object intersects
* this bounds. Simple math just check if either contains the other,
* allowing for partial.
* @type Boolean
*/
intersectsBounds:function(bounds, inclusive) {
if (inclusive == null) {
inclusive = true;
}
return (this.containsBounds(bounds, true, inclusive) ||
bounds.containsBounds(this, true, inclusive));
},
/**
* @param {OpenLayers.Bounds} bounds
* @param {Boolean} partial If true, only part of passed-in

39
tests/test_Bounds.html
View File

@@ -107,7 +107,44 @@
t.eq( bounds.left, 1, "changing olBounds.left does not change bounds.left" );
}
function test_08_Bounds_containsBounds(t) {
function test_08a_Bounds_intersectsBounds(t) {
t.plan( 15 );
var aBounds = new OpenLayers.Bounds(-180, -90, 180, 90);
//inside
var bBounds = new OpenLayers.Bounds(-20, -10, 20, 10);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is false" );
//outside
bBounds = new OpenLayers.Bounds(-181, -91, 181, 91);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is false" );
//total intersect
bBounds = new OpenLayers.Bounds(-185, -100, 20, 50);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is false" );
//border intersect
bBounds = new OpenLayers.Bounds(-360, -180, -180, -90);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + "), inclusive is false" );
//no intersect
bBounds = new OpenLayers.Bounds(-360, -180, -185, -95);
t.eq( aBounds.intersectsBounds(bBounds), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + "), inclusive is false" );
}
function test_08b_Bounds_containsBounds(t) {
t.plan( 35 );
containerBounds = new OpenLayers.Bounds(10,10,40,40);