|
/*
|
* Licensed to the Apache Software Foundation (ASF) under one
|
* or more contributor license agreements. See the NOTICE file
|
* distributed with this work for additional information
|
* regarding copyright ownership. The ASF licenses this file
|
* to you under the Apache License, Version 2.0 (the
|
* "License"); you may not use this file except in compliance
|
* with the License. You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing,
|
* software distributed under the License is distributed on an
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
* KIND, either express or implied. See the License for the
|
* specific language governing permissions and limitations
|
* under the License.
|
*/
|
|
|
/**
|
* AUTO-GENERATED FILE. DO NOT MODIFY.
|
*/
|
|
/*
|
* Licensed to the Apache Software Foundation (ASF) under one
|
* or more contributor license agreements. See the NOTICE file
|
* distributed with this work for additional information
|
* regarding copyright ownership. The ASF licenses this file
|
* to you under the Apache License, Version 2.0 (the
|
* "License"); you may not use this file except in compliance
|
* with the License. You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing,
|
* software distributed under the License is distributed on an
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
* KIND, either express or implied. See the License for the
|
* specific language governing permissions and limitations
|
* under the License.
|
*/
|
|
/**
|
* For geo and graph.
|
*/
|
export function updateViewOnPan(controllerHost, dx, dy) {
|
var target = controllerHost.target;
|
target.x += dx;
|
target.y += dy;
|
target.dirty();
|
}
|
/**
|
* For geo and graph.
|
*/
|
|
export function updateViewOnZoom(controllerHost, zoomDelta, zoomX, zoomY) {
|
var target = controllerHost.target;
|
var zoomLimit = controllerHost.zoomLimit;
|
var newZoom = controllerHost.zoom = controllerHost.zoom || 1;
|
newZoom *= zoomDelta;
|
|
if (zoomLimit) {
|
var zoomMin = zoomLimit.min || 0;
|
var zoomMax = zoomLimit.max || Infinity;
|
newZoom = Math.max(Math.min(zoomMax, newZoom), zoomMin);
|
}
|
|
var zoomScale = newZoom / controllerHost.zoom;
|
controllerHost.zoom = newZoom; // Keep the mouse center when scaling
|
|
target.x -= (zoomX - target.x) * (zoomScale - 1);
|
target.y -= (zoomY - target.y) * (zoomScale - 1);
|
target.scaleX *= zoomScale;
|
target.scaleY *= zoomScale;
|
target.dirty();
|
}
|
