kopia lustrzana https://github.com/N0BOY/FT8CN
310 wiersze
11 KiB
Java
310 wiersze
11 KiB
Java
package com.bg7yoz.ft8cn.ui;
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/**
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* 瀑布图自定义控件。
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*
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* @author BGY70Z
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* @date 2023-03-20
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*/
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import static android.graphics.Bitmap.Config.ARGB_8888;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.LinearGradient;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.Rect;
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import android.graphics.Shader;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.bg7yoz.ft8cn.Ft8Message;
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import com.bg7yoz.ft8cn.GeneralVariables;
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import com.bg7yoz.ft8cn.timer.UtcTimer;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.List;
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import java.util.ListIterator;
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public class WaterfallView extends View {
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private int blockHeight = 2;//色块高度
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private float freq_width = 1;//频率的宽度
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private final int cycle = 2;
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private final int symbols = 93;
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private int lastSequential = 0;
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private Bitmap lastBitMap = null;
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private Canvas _canvas;
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private final Paint linePaint = new Paint();
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private Paint touchPaint = new Paint();
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private final Paint fontPaint = new Paint();
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private final Paint messagePaint = new Paint();
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private final Paint textLinePaint = new Paint();
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// private final Paint messagePaintBack = new Paint();//消息背景
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private final Paint utcPaint = new Paint();
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Paint linearPaint = new Paint();
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private final Paint utcPainBack = new Paint();
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private float pathStart = 0;
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private float pathEnd = 0;
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private int touch_x = -1;
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private int freq_hz = -1;
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private boolean drawMessage = false;//是否画消息内容
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public WaterfallView(Context context) {
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super(context);
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}
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public WaterfallView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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public WaterfallView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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ArrayList<Ft8Message> messages= new ArrayList<>();
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/**
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* 把dp值转换为像素点
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*
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* @param dp dp值
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* @return 像素点
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*/
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private int dpToPixel(int dp) {
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return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp
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, getResources().getDisplayMetrics());
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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setClickable(true);
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blockHeight = getHeight() / (symbols * cycle);
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freq_width = (float) getWidth() / 3000f;
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lastBitMap = Bitmap.createBitmap(w, h, ARGB_8888);
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_canvas = new Canvas(lastBitMap);
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Paint blackPaint = new Paint();
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blackPaint.setColor(0xFF000000);
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_canvas.drawRect(0, 0, w, h, blackPaint);//先把背景画黑，防止文字重叠
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//linePaint = new Paint();
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linePaint.setColor(0xff990000);
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touchPaint = new Paint();
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touchPaint.setColor(0xff00ffff);
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touchPaint.setStrokeWidth(getResources().getDisplayMetrics().density);
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//fontPaint = new Paint();
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fontPaint.setTextSize(dpToPixel(10));
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fontPaint.setColor(0xff00ffff);
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fontPaint.setAntiAlias(true);
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fontPaint.setDither(true);
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fontPaint.setTextAlign(Paint.Align.LEFT);
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textLinePaint.setColor(0xff00ffff);
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textLinePaint.setAntiAlias(true);
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textLinePaint.setDither(true);
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textLinePaint.setStrokeWidth(2);
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textLinePaint.setStyle(Paint.Style.FILL_AND_STROKE);
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// messagePaint = new Paint();
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messagePaint.setTextSize(dpToPixel(11));
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messagePaint.setColor(0xff00ffff);
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messagePaint.setAntiAlias(true);
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messagePaint.setDither(true);
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messagePaint.setStrokeWidth(0);
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messagePaint.setStyle(Paint.Style.FILL_AND_STROKE);
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messagePaint.setTextAlign(Paint.Align.CENTER);
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messagePaint.setShadowLayer(10,5,5,Color.BLACK);
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//messagePaintBack = new Paint();
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// messagePaintBack.setTextSize(dpToPixel(11));
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// messagePaintBack.setColor(0xff000000);//背景不透明
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// messagePaintBack.setAntiAlias(true);
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// messagePaintBack.setDither(true);
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// messagePaintBack.setStrokeWidth(dpToPixel(3));
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// messagePaintBack.setFakeBoldText(true);
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// messagePaintBack.setStyle(Paint.Style.FILL_AND_STROKE);
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// messagePaintBack.setTextAlign(Paint.Align.CENTER);
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//utcPaint = new Paint();
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utcPaint.setTextSize(dpToPixel(10));
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utcPaint.setColor(0xff00ffff);//
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utcPaint.setAntiAlias(true);
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utcPaint.setDither(true);
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utcPaint.setStrokeWidth(0);
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utcPaint.setStyle(Paint.Style.FILL_AND_STROKE);
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utcPaint.setTextAlign(Paint.Align.LEFT);
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//utcPainBack = new Paint();
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utcPainBack.setTextSize(dpToPixel(10));
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utcPainBack.setColor(0xff000000);//背景不透明
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utcPainBack.setAntiAlias(true);
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utcPainBack.setDither(true);
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utcPainBack.setStrokeWidth(dpToPixel(4));
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utcPainBack.setStyle(Paint.Style.FILL_AND_STROKE);
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utcPainBack.setTextAlign(Paint.Align.LEFT);
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pathStart = blockHeight * 2;
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pathEnd = blockHeight * 90;
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if (pathEnd < 130 * getResources().getDisplayMetrics().density) {//为了保证能写的下
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pathEnd = 130 * getResources().getDisplayMetrics().density;
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}
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super.onSizeChanged(w, h, oldw, oldh);
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}
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@SuppressLint("DefaultLocale")
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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canvas.drawBitmap(lastBitMap, 0, 0, null);
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//计算频率
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if (touch_x > 0) {//画触摸线
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freq_hz = Math.round(3000f * (float) touch_x / (float) getWidth());
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if (freq_hz > 2900) {
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freq_hz = 2900;
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}
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if (freq_hz < 100) {
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freq_hz = 100;
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}
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if (touch_x > getWidth() / 2) {
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fontPaint.setTextAlign(Paint.Align.RIGHT);
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canvas.drawText(String.format("%dHz", freq_hz)
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, touch_x - 10, 250, fontPaint);
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} else {
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fontPaint.setTextAlign(Paint.Align.LEFT);
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canvas.drawText(String.format("%dHz", freq_hz)
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, touch_x + 10, 250, fontPaint);
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}
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canvas.drawLine(touch_x, 0, touch_x, getHeight(), touchPaint);
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}
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invalidate();
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}
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public void setWaveData(int[] data, int sequential, List<Ft8Message> msgs) {
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if (drawMessage&& msgs!=null){//把需要画的消息复制出来防止多线程访问冲突
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messages=new ArrayList<>(msgs);
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}else {
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messages.clear();//当设定不标记消息时，要清空原来的消息
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}
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if (data == null) {
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return;
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}
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if (data.length <= 0) {
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return;
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}
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if (lastBitMap == null) {
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return;
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}
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int[] colors = new int[data.length];
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//画分割线
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if (sequential != lastSequential) {
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Bitmap bitmap = Bitmap.createBitmap(lastBitMap, 0, 0, getWidth(), getHeight() - blockHeight);
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_canvas.drawBitmap(bitmap, 0, blockHeight, linePaint);
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bitmap.recycle();
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_canvas.drawRect(0, 0, getWidth(), getResources().getDisplayMetrics().density
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, linePaint);
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_canvas.drawText(UtcTimer.getTimeStr(UtcTimer.getSystemTime()), 50
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, 15 * getResources().getDisplayMetrics().density, utcPainBack);
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_canvas.drawText(UtcTimer.getTimeStr(UtcTimer.getSystemTime()), 50
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, 15 * getResources().getDisplayMetrics().density, utcPaint);
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}
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lastSequential = sequential;
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//色块分布
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for (int i = 0; i < data.length; i++) {
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if (data[i] < 128) {//低于一半的音量，用蓝色0~256
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colors[i] = 0xff000000 | (data[i] << 1);
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} else if (data[i] < 192) {
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colors[i] = 0xff0000ff | (((data[i] - 127)) << 10);//放大4倍
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// colors[i] = 0xff000000 | (data[i] * 2 * 256 + 255);
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} else {
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colors[i] = 0xff00ffff | (((data[i] - 127)) << 18);//放大4倍
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}
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}
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LinearGradient linearGradient = new LinearGradient(0, 0, getWidth() * 2, 0, colors
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, null, Shader.TileMode.CLAMP);
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//Paint linearPaint = new Paint();
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linearPaint.setShader(linearGradient);
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Bitmap bitmap = Bitmap.createBitmap(lastBitMap, 0, 0, getWidth(), getHeight() - blockHeight);
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_canvas.drawBitmap(bitmap, 0, blockHeight, linearPaint);
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bitmap.recycle();
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_canvas.drawRect(0, 0, getWidth(), blockHeight, linearPaint);
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//消息有3种：普通、CQ、有我
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if (drawMessage && messages != null) {
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drawMessage = false;//只画一遍
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//fontPaint.setTextAlign(Paint.Align.LEFT);
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//fontPaint.setStrikeThruText(true);
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for (Ft8Message msg : messages) {
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if (msg.inMyCall()) {//与我有关
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messagePaint.setColor(0xffffb2b2);
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textLinePaint.setColor(0xffffb2b2);
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} else if (msg.checkIsCQ()) {//CQ
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messagePaint.setColor(0xffeeee00);
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textLinePaint.setColor(0xffeeee00);
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} else {
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messagePaint.setColor(0xff00ffff);
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textLinePaint.setColor(0xff00ffff);
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}
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Path path = new Path();
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path.moveTo(msg.freq_hz * freq_width, pathStart);
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path.lineTo(msg.freq_hz * freq_width, pathEnd);
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// _canvas.drawTextOnPath(msg.getMessageText(true), path
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// , 0, 0, messagePaintBack);//消息背景
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_canvas.drawTextOnPath(msg.getMessageText(true), path
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, 0, 0, messagePaint);//消息
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if (GeneralVariables.checkQSLCallsign(msg.getCallsignFrom())) {//画删除线
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float text_len = messagePaint.measureText(msg.getMessageText(true));
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float text_start = ((pathEnd- pathStart)-text_len)/2;
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float text_high =dpToPixel(4);//messagePaint.getFontSpacing()/2;
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_canvas.drawLine(msg.freq_hz * freq_width + text_high , text_start
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, msg.freq_hz * freq_width + text_high, text_len + text_start, textLinePaint);
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}
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}
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}
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}
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public void setTouch_x(int touch_x) {
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this.touch_x = touch_x;
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}
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public void setDrawMessage(boolean drawMessage) {
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this.drawMessage = drawMessage;
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}
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public int getFreq_hz() {
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return freq_hz;
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}
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}
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