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/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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 android.graphics.drawable.shapes;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
/**
* Creates geometric paths, utilizing the {@link android.graphics.Path} class.
* The path can be drawn to a Canvas with its own draw() method,
* but more graphical control is available if you instead pass
* the PathShape to a {@link android.graphics.drawable.ShapeDrawable}.
*/
public class PathShape extends Shape {
private Path mPath;
private float mStdWidth;
private float mStdHeight;
private float mScaleX; // cached from onResize
private float mScaleY; // cached from onResize
/**
* PathShape constructor.
*
* @param path a Path that defines the geometric paths for this shape
* @param stdWidth the standard width for the shape. Any changes to the
* width with resize() will result in a width scaled based
* on the new width divided by this width.
* @param stdHeight the standard height for the shape. Any changes to the
* height with resize() will result in a height scaled based
* on the new height divided by this height.
*/
public PathShape(Path path, float stdWidth, float stdHeight) {
mPath = path;
mStdWidth = stdWidth;
mStdHeight = stdHeight;
}
@Override
public void draw(Canvas canvas, Paint paint) {
canvas.save();
canvas.scale(mScaleX, mScaleY);
canvas.drawPath(mPath, paint);
canvas.restore();
}
@Override
protected void onResize(float width, float height) {
mScaleX = width / mStdWidth;
mScaleY = height / mStdHeight;
}
@Override
public PathShape clone() throws CloneNotSupportedException {
PathShape shape = (PathShape) super.clone();
shape.mPath = new Path(mPath);
return shape;
}
}
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