text: package com.haibin.calendarviewproject.progress;
  
  import android.content.Context;
  import android.graphics.Canvas;
  import android.graphics.Paint;
  import android.graphics.RectF;
  
  import com.haibin.calendarview.Calendar;
  import com.haibin.calendarview.MonthView;
  
  /**
   * 精美进度风格
   * Created by huanghaibin on 2018/2/8.
   */
  
  public class ProgressMonthView extends MonthView {
  
      private Paint mProgressPaint = new Paint();
      private Paint mNoneProgressPaint = new Paint();
      private int mRadius;
  
      public ProgressMonthView(Context context) {
          super(context);
          mProgressPaint.setAntiAlias(true);
          mProgressPaint.setStyle(Paint.Style.STROKE);
          mProgressPaint.setStrokeWidth(dipToPx(context, 2.2f));
          mProgressPaint.setColor(0xBBf54a00);
  
          mNoneProgressPaint.setAntiAlias(true);
          mNoneProgressPaint.setStyle(Paint.Style.STROKE);
          mNoneProgressPaint.setStrokeWidth(dipToPx(context, 2.2f));
          mNoneProgressPaint.setColor(0x90CfCfCf);
      }
  
      @Override
      protected void onPreviewHook() {
          mRadius = Math.min(mItemWidth, mItemHeight) / 11 * 4;
  
      }
  
      @Override
      protected boolean onDrawSelected(Canvas canvas, Calendar calendar, int x, int y, boolean hasScheme) {
          int cx = x + mItemWidth / 2;
          int cy = y + mItemHeight / 2;
          canvas.drawCircle(cx, cy, mRadius, mSelectedPaint);
          return false;
      }
  
      @Override
      protected void onDrawScheme(Canvas canvas, Calendar calendar, int x, int y) {
          int cx = x + mItemWidth / 2;
          int cy = y + mItemHeight / 2;
  
          int angle = getAngle(Integer.parseInt(calendar.getScheme()));
  
          RectF progressRectF = new RectF(cx - mRadius, cy - mRadius, cx + mRadius, cy + mRadius);
          canvas.drawArc(progressRectF, -90, angle, false, mProgressPaint);
  
          RectF noneRectF = new RectF(cx - mRadius, cy - mRadius, cx + mRadius, cy + mRadius);
          canvas.drawArc(noneRectF, angle - 90, 360 - angle, false, mNoneProgressPaint);
  
      }
  
      @Override
      protected void onDrawText(Canvas canvas, Calendar calendar, int x, int y, boolean hasScheme, boolean isSelected) {
          float baselineY = mTextBaseLine + y;
          int cx = x + mItemWidth / 2;
  
          if (isSelected) {
              canvas.drawText(String.valueOf(calendar.getDay()),
                      cx,
                      baselineY,
                      mSelectTextPaint);
          } else if (hasScheme) {
              canvas.drawText(String.valueOf(calendar.getDay()),
                      cx,
                      baselineY,
                      calendar.isCurrentDay() ? mCurDayTextPaint :
                              calendar.isCurrentMonth() ? mSchemeTextPaint : mOtherMonthTextPaint);
  
          } else {
              canvas.drawText(String.valueOf(calendar.getDay()), cx, baselineY,
                      calendar.isCurrentDay() ? mCurDayTextPaint :
                              calendar.isCurrentMonth() ? mCurMonthTextPaint : mOtherMonthTextPaint);
          }
      }
  
      /**
       * 获取角度
       *
       * @param progress 进度
       * @return 获取角度
       */
      private static int getAngle(int progress) {
          return (int) (progress * 3.6);
      }
  
  
      /**
       * dp转px
       *
       * @param context context
       * @param dpValue dp
       * @return px
       */
      private static int dipToPx(Context context, float dpValue) {
          final float scale = context.getResources().getDisplayMetrics().density;
          return (int) (dpValue * scale + 0.5f);
      }
  }
  