/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed 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.
*
*/
package scouter.client.xlog.views;
import java.util.Arrays;
public class PointMap {
private boolean bitmap[] = new boolean[0];
private int w;
private int h;
public void reset(int w, int h) {
if (this.w == w && this.h == h) {
Arrays.fill(this.bitmap, false);
} else {
this.w = w;
this.h = h;
this.bitmap = new boolean[w * h];
}
}
public boolean check(int x, int y) {
if (x < 0 || w <= x || y < 0 || h <= y){
return false;
}
try {
if (bitmap[y * w + x]) {
return false;
} else {
bitmap[y * w + x] = true;
return true;
}
} catch (Throwable t) {
}
return false;
}
}