/*
* ******************************************************************************
* Copyright (c) 2013-2014 Gabriele Mariotti.
*
* 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 it.gmariotti.cardslib.demo.ui.widget;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.FrameLayout;
import it.gmariotti.cardslib.demo.R;
/**
* A view that draws fancy horizontal lines to frame it's content
*/
public class HashtagView extends FrameLayout {
private static final int LINE_COLOUR = 0x59ffffff;
private Paint mLinesPaint;
private float[] mLinePoints;
public HashtagView(Context context) {
this(context, null, 0);
}
public HashtagView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public HashtagView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mLinesPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mLinesPaint.setColor(LINE_COLOUR);
mLinesPaint.setStyle(Paint.Style.STROKE);
mLinesPaint.setStrokeWidth(context.getResources().getDimensionPixelSize(
R.dimen.hashtag_line_height));
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
// calculate points for two horizontal lines spaced at 1/3 & 2/3 of the height, occupying
// 2/3 of the width (centered).
final int thirdHeight = getMeasuredHeight() / 3;
final int sixthWidth = getMeasuredWidth() / 6;
mLinePoints = new float[]{
// line 1
sixthWidth, thirdHeight, 5 * sixthWidth, thirdHeight,
// line 2
sixthWidth, 2 * thirdHeight, 5 * sixthWidth, 2 * thirdHeight};
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawLines(mLinePoints, mLinesPaint);
}
}