コード例 #1
0
 public static Paint createTypePaint(
     Typeface typeface, float textSize, int color, boolean antialias, Paint.Align align) {
   Paint paint = new Paint();
   paint.setColor(color);
   paint.setTypeface(typeface);
   paint.setTextSize(textSize);
   paint.setAntiAlias(antialias);
   paint.setTextAlign(align);
   paint.setHinting(Paint.HINTING_ON);
   paint.setDither(true);
   return paint;
 }
コード例 #2
0
  @Override
  public void onLoadFinished(Loader<Cursor> ldr, Cursor data) {
    int l = data.getCount();
    data.moveToFirst();
    long maxCents = 0;
    long minCents = Long.MAX_VALUE;
    long maxTime = 0;
    long minTime = Long.MAX_VALUE;
    for (int i = 0; i != l; ++i) {
      long cents = data.getLong(0);
      if (cents > maxCents) maxCents = cents;
      if (cents < minCents) minCents = cents;
      long time = data.getLong(3);
      if (time > maxTime) maxTime = time;
      if (time < minTime) minTime = time;
      data.moveToNext();
    }

    ImageView view = (ImageView) getView();
    int cardSpacing = getActivity().getResources().getDimensionPixelSize(R.dimen.cardSpacing);
    int cardPadding = getActivity().getResources().getDimensionPixelSize(R.dimen.cardPadding);
    int textSize = cardPadding * 2;
    int width =
        getActivity().getWindow().getWindowManager().getDefaultDisplay().getWidth()
            - 2 * (cardSpacing)
            - 2 * (cardPadding);
    Log.d("Budget", "GraphFragment.onLoadFinished(): width=" + width);
    int height = getActivity().getResources().getDimensionPixelSize(R.dimen.graphHeight);
    Log.d("Budget", "GraphFragment.onLoadFinished(): height=" + height);
    Bitmap chart = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas chartCanvas = new Canvas(chart);
    chartCanvas.drawColor(Color.TRANSPARENT);
    Paint pen = new Paint();
    pen.setColor(0xFF000000);
    pen.setTextAlign(Paint.Align.CENTER);
    pen.setTextSize(textSize);
    Paint brush = new Paint();
    brush.setDither(true);
    brush.setHinting(Paint.HINTING_ON);
    brush.setStyle(Paint.Style.STROKE);
    float stroke = getActivity().getResources().getDimension(R.dimen.graphStroke);
    brush.setStrokeWidth(stroke);
    int currentEnvelope = -1;
    Path currentPath = null;
    float usableHeight = height - (2 * stroke) - textSize - cardPadding;
    float usableWidth = width - (2 * stroke) - textSize;

    data.moveToFirst();
    for (int i = 0; i != l; ++i) {
      int envelope = data.getInt(1);
      long cents = data.getLong(0);
      long time = data.getLong(3);
      float pointHeight =
          usableHeight
              - (float) ((cents - minCents) * usableHeight / ((double) (maxCents - minCents)))
              + stroke;
      float pointPosition =
          (float) ((time - minTime) * usableWidth / ((double) (maxTime - minTime)))
              + stroke
              + textSize;
      Log.d("Budget", "GraphFragment.onLoadFinished(): envelope=" + envelope);
      Log.d("Budget", "GraphFragment.onLoadFinished(): envelope.name=" + data.getString(4));
      Log.d("Budget", "GraphFragment.onLoadFinished(): cents=" + cents);
      Log.d("Budget", "GraphFragment.onLoadFinished(): pointHeight=" + pointHeight);
      Log.d("Budget", "GraphFragment.onLoadFinished(): time=" + time);
      Log.d("Budget", "GraphFragment.onLoadFinished(): pointPosition=" + pointPosition);
      if (envelope != currentEnvelope) {
        if (currentPath != null) {
          currentPath.rLineTo(usableWidth, 0);
          chartCanvas.drawPath(currentPath, brush);
        }
        int color = data.getInt(2);
        // brush = new Paint(brush);
        brush.setColor(color);
        currentEnvelope = envelope;
        currentPath = new Path();
        currentPath.moveTo(pointPosition, pointHeight);
      } else {
        currentPath.lineTo(pointPosition, pointHeight);
      }
      data.moveToNext();
    }
    if (currentPath != null) {
      currentPath.rLineTo(usableWidth, 0);
      chartCanvas.drawPath(currentPath, brush);
    }
    Path side = new Path();
    side.moveTo(textSize, height);
    side.lineTo(textSize, 0);
    chartCanvas.drawTextOnPath(
        getActivity().getString(R.string.envelopeDetails_balance), side, 0, 0, pen);
    Path bottom = new Path();
    bottom.moveTo(0, height - cardPadding);
    bottom.lineTo(width, height - cardPadding);
    chartCanvas.drawTextOnPath(getActivity().getString(R.string.graph_time), bottom, 0, 0, pen);
    if (maxTime != 0) {
      Date maxTimeD = new Date(maxTime);
      Date minTimeD = new Date(minTime);
      DateFormat timeFormat = android.text.format.DateFormat.getDateFormat(getActivity());
      pen.setTextAlign(Paint.Align.LEFT);
      chartCanvas.drawTextOnPath(timeFormat.format(minTimeD), bottom, 0, 0, pen);
      pen.setTextAlign(Paint.Align.RIGHT);
      chartCanvas.drawTextOnPath(timeFormat.format(maxTimeD), bottom, 0, 0, pen);
    }
    view.setImageBitmap(chart);
  }