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;
}
@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);
}