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BitmapPixelOverlay.java
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BitmapPixelOverlay.java
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/*
* Copyright (C) 2019 Ziwei Huang
*
* 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 cn.forward.tiledmapview.overlay;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.RectF;
import android.view.Gravity;
import cn.forward.tiledmapview.core.ITiledMapView;
import cn.forward.tiledmapview.core.ITileConfig;
import cn.forward.tiledmapview.core.ITileDisplayInfo;
/**
* Bitmap overlay on the pixel (such as the window), relative to pixel coordinates in size.
* 像素坐标系上的图片覆盖物,如窗口,相对于像素坐标的大小
*/
public class BitmapPixelOverlay extends AbstractPixelOverlay {
private Bitmap mBitmap;
private RectF mRectF = new RectF();
public BitmapPixelOverlay(Bitmap bitmap) {
this(bitmap, bitmap.getWidth(), bitmap.getHeight(), Gravity.LEFT | Gravity.TOP);
}
public BitmapPixelOverlay(Bitmap bitmap, int gravity) {
this(bitmap, bitmap.getWidth(), bitmap.getHeight(), gravity);
}
public BitmapPixelOverlay(Bitmap bitmap, double width, double height, int gravity) {
super(width, height, gravity);
mBitmap = bitmap;
}
public void setBitmap(Bitmap bitmap) {
mBitmap = bitmap;
refreshItself();
}
public Bitmap getBitmap() {
return mBitmap;
}
@Override
public void onDraw(Canvas canvas, ITiledMapView mapView, ITileConfig tileConfig, ITileDisplayInfo tileDisplayInfo) {
mRectF.set(0, 0, (float) getWidth(), (float) getHeight());
canvas.drawBitmap(mBitmap, null, mRectF, null);
}
}