87 lines
2.5 KiB
Java
87 lines
2.5 KiB
Java
/*
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* Copyright 2015 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.easyrecyclerview;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.ColorFilter;
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import android.graphics.Paint;
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import android.graphics.PixelFormat;
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import android.graphics.RectF;
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import android.graphics.drawable.Drawable;
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import androidx.annotation.NonNull;
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public class HandlerDrawable extends Drawable {
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private final Paint mPaint;
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private final RectF mTemp = new RectF();
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private int mColor = Color.BLACK;
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public HandlerDrawable() {
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mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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mPaint.setColor(mColor);
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mPaint.setStyle(Paint.Style.FILL);
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}
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@Override
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public void draw(@NonNull Canvas canvas) {
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int width = getBounds().width();
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int height = getBounds().height();
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if (width > height) {
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canvas.drawRect(0, 0, width, height, mPaint);
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} else {
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mTemp.set(0, 0, width, width);
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canvas.drawArc(mTemp, -180, 180, true, mPaint);
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mTemp.set(0, height - width, width, height);
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canvas.drawArc(mTemp, 0, 180, true, mPaint);
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float halfWidth = (float) width / 2.0f;
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canvas.drawRect(0, halfWidth, width, height - halfWidth, mPaint);
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}
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}
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public void setColor(int color) {
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if (mColor != color) {
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mColor = color;
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mPaint.setColor(color);
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}
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}
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@Override
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public void setAlpha(int alpha) {
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mPaint.setAlpha(alpha);
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}
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@Override
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public void setColorFilter(ColorFilter colorFilter) {
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mPaint.setColorFilter(colorFilter);
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}
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@Override
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public int getOpacity() {
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int alpha = Color.alpha(mColor);
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if (alpha == 0xff) {
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return PixelFormat.OPAQUE;
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} else if (alpha == 0x00) {
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return PixelFormat.TRANSPARENT;
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} else {
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return PixelFormat.TRANSLUCENT;
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}
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}
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}
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