Java Code Examples for lecho.lib.hellocharts.model.Line#getValues()
The following examples show how to use
lecho.lib.hellocharts.model.Line#getValues() .
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Example 1
| Source File: LineChartRenderer.java From hellocharts-android with Apache License 2.0 | 6 votes |
|
@Override
public boolean checkTouch(float touchX, float touchY) {
selectedValue.clear();
final LineChartData data = dataProvider.getLineChartData();
int lineIndex = 0;
for (Line line : data.getLines()) {
if (checkIfShouldDrawPoints(line)) {
int pointRadius = ChartUtils.dp2px(density, line.getPointRadius());
int valueIndex = 0;
for (PointValue pointValue : line.getValues()) {
final float rawValueX = computator.computeRawX(pointValue.getX());
final float rawValueY = computator.computeRawY(pointValue.getY());
if (isInArea(rawValueX, rawValueY, touchX, touchY, pointRadius + touchToleranceMargin)) {
selectedValue.set(lineIndex, valueIndex, SelectedValueType.LINE);
}
++valueIndex;
}
}
++lineIndex;
}
return isTouched();
}
Example 2
| Source File: LineChartRenderer.java From hellocharts-android with Apache License 2.0 | 6 votes |
|
private void calculateMaxViewport() {
tempMaximumViewport.set(Float.MAX_VALUE, Float.MIN_VALUE, Float.MIN_VALUE, Float.MAX_VALUE);
LineChartData data = dataProvider.getLineChartData();
for (Line line : data.getLines()) {
// Calculate max and min for viewport.
for (PointValue pointValue : line.getValues()) {
if (pointValue.getX() < tempMaximumViewport.left) {
tempMaximumViewport.left = pointValue.getX();
}
if (pointValue.getX() > tempMaximumViewport.right) {
tempMaximumViewport.right = pointValue.getX();
}
if (pointValue.getY() < tempMaximumViewport.bottom) {
tempMaximumViewport.bottom = pointValue.getY();
}
if (pointValue.getY() > tempMaximumViewport.top) {
tempMaximumViewport.top = pointValue.getY();
}
}
}
}
Example 3
| Source File: LineChartRenderer.java From hellocharts-android with Apache License 2.0 | 6 votes |
|
private void drawPoints(Canvas canvas, Line line, int lineIndex, int mode) {
pointPaint.setColor(line.getPointColor());
int valueIndex = 0;
for (PointValue pointValue : line.getValues()) {
int pointRadius = ChartUtils.dp2px(density, line.getPointRadius());
final float rawX = computator.computeRawX(pointValue.getX());
final float rawY = computator.computeRawY(pointValue.getY());
if (computator.isWithinContentRect(rawX, rawY, checkPrecision)) {
// Draw points only if they are within contentRectMinusAllMargins, using contentRectMinusAllMargins
// instead of viewport to avoid some
// float rounding problems.
if (MODE_DRAW == mode) {
drawPoint(canvas, line, pointValue, rawX, rawY, pointRadius);
if (line.hasLabels()) {
drawLabel(canvas, line, pointValue, rawX, rawY, pointRadius + labelOffset);
}
} else if (MODE_HIGHLIGHT == mode) {
highlightPoint(canvas, line, pointValue, rawX, rawY, lineIndex, valueIndex);
} else {
throw new IllegalStateException("Cannot process points in mode: " + mode);
}
}
++valueIndex;
}
}
Example 4
| Source File: BgGraphBuilder.java From xDrip with GNU General Public License v3.0 | 5 votes |
|
private ArrayList<Line> autoSplitLine(Line macroline, final float jumpthresh) {
ArrayList<Line> linearray = new ArrayList<>();
float lastx = -999999;
List<PointValue> macropoints = macroline.getValues();
List<PointValue> thesepoints = new ArrayList<>();
if (macropoints.size() > 0) {
final float endmarker = macropoints.get(macropoints.size() - 1).getX();
for (PointValue thispoint : macropoints) {
// a jump too far for a line? make it a new one
if (((lastx != -999999) && (Math.abs(thispoint.getX() - lastx) > jumpthresh))
|| thispoint.getX() == endmarker) {
if (thispoint.getX() == endmarker) {
thesepoints.add(thispoint);
}
Line line = (Line) cloneObject(macroline); // aieeee
try {
line.setValues(thesepoints);
linearray.add(line);
} catch (NullPointerException e) {
//
}
thesepoints = new ArrayList<PointValue>();
}
lastx = thispoint.getX();
thesepoints.add(thispoint); // grow current line list
}
}
return linearray;
}
Example 5
| Source File: BgGraphBuilder.java From xDrip with GNU General Public License v3.0 | 5 votes |
|
public ArrayList<Line> autoSplitLine(Line macroline, final float jumpthresh) {
// if (d) Log.d(TAG, "Enter autoSplit Line");
ArrayList<Line> linearray = new ArrayList<Line>();
float lastx = -999999;
List<PointValue> macropoints = macroline.getValues();
List<PointValue> thesepoints = new ArrayList<PointValue>();
if (macropoints.size() > 0) {
final float endmarker = macropoints.get(macropoints.size() - 1).getX();
for (PointValue thispoint : macropoints) {
// a jump too far for a line? make it a new one
if (((lastx != -999999) && (Math.abs(thispoint.getX() - lastx) > jumpthresh))
|| thispoint.getX() == endmarker) {
if (thispoint.getX() == endmarker) {
thesepoints.add(thispoint);
}
Line line = (Line) JoH.cloneObject(macroline); // aieeee
line.setValues(thesepoints);
linearray.add(line);
thesepoints = new ArrayList<PointValue>();
}
lastx = thispoint.getX();
thesepoints.add(thispoint); // grow current line list
}
}
// if (d) Log.d(TAG, "Exit autoSplit Line");
return linearray;
}
Example 6
| Source File: BgGraphBuilder.java From xDrip-plus with GNU General Public License v3.0 | 5 votes |
|
private ArrayList<Line> autoSplitLine(Line macroline, final float jumpthresh) {
ArrayList<Line> linearray = new ArrayList<>();
float lastx = -999999;
List<PointValue> macropoints = macroline.getValues();
List<PointValue> thesepoints = new ArrayList<>();
if (macropoints.size() > 0) {
final float endmarker = macropoints.get(macropoints.size() - 1).getX();
for (PointValue thispoint : macropoints) {
// a jump too far for a line? make it a new one
if (((lastx != -999999) && (Math.abs(thispoint.getX() - lastx) > jumpthresh))
|| thispoint.getX() == endmarker) {
if (thispoint.getX() == endmarker) {
thesepoints.add(thispoint);
}
Line line = (Line) cloneObject(macroline); // aieeee
try {
line.setValues(thesepoints);
linearray.add(line);
} catch (NullPointerException e) {
//
}
thesepoints = new ArrayList<PointValue>();
}
lastx = thispoint.getX();
thesepoints.add(thispoint); // grow current line list
}
}
return linearray;
}
Example 7
| Source File: BgGraphBuilder.java From xDrip-plus with GNU General Public License v3.0 | 5 votes |
|
public ArrayList<Line> autoSplitLine(Line macroline, final float jumpthresh) {
// if (d) Log.d(TAG, "Enter autoSplit Line");
ArrayList<Line> linearray = new ArrayList<Line>();
float lastx = -999999;
List<PointValue> macropoints = macroline.getValues();
List<PointValue> thesepoints = new ArrayList<PointValue>();
if (macropoints.size() > 0) {
final float endmarker = macropoints.get(macropoints.size() - 1).getX();
for (PointValue thispoint : macropoints) {
// a jump too far for a line? make it a new one
if (((lastx != -999999) && (Math.abs(thispoint.getX() - lastx) > jumpthresh))
|| thispoint.getX() == endmarker) {
if (thispoint.getX() == endmarker) {
thesepoints.add(thispoint);
}
Line line = (Line) JoH.cloneObject(macroline); // aieeee
line.setValues(thesepoints);
linearray.add(line);
thesepoints = new ArrayList<PointValue>();
}
lastx = thispoint.getX();
thesepoints.add(thispoint); // grow current line list
}
}
// if (d) Log.d(TAG, "Exit autoSplit Line");
return linearray;
}
Example 8
| Source File: LineChartRenderer.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
/**
* Draws lines, uses path for drawing filled area on software canvas. Line is drawn with canvas.drawLines() method.
*/
private void drawPath(Canvas canvas, final Line line) {
prepareLinePaint(line);
int valueIndex = 0;
for (PointValue pointValue : line.getValues()) {
final float rawX = computator.computeRawX(pointValue.getX());
final float rawY = computator.computeRawY(pointValue.getY());
if (valueIndex == 0) {
path.moveTo(rawX, rawY);
} else {
path.lineTo(rawX, rawY);
}
++valueIndex;
}
canvas.drawPath(path, linePaint);
if (line.isFilled()) {
drawArea(canvas, line);
}
path.reset();
}
Example 9
| Source File: LineChartRenderer.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
private void drawSquarePath(Canvas canvas, final Line line) {
prepareLinePaint(line);
int valueIndex = 0;
float previousRawY = 0;
for (PointValue pointValue : line.getValues()) {
final float rawX = computator.computeRawX(pointValue.getX());
final float rawY = computator.computeRawY(pointValue.getY());
if (valueIndex == 0) {
path.moveTo(rawX, rawY);
} else {
path.lineTo(rawX, previousRawY);
path.lineTo(rawX, rawY);
}
previousRawY = rawY;
++valueIndex;
}
canvas.drawPath(path, linePaint);
if (line.isFilled()) {
drawArea(canvas, line);
}
path.reset();
}
Example 10
| Source File: LineChartActivity.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
/**
* To animate values you have to change targets values and then call {@link Chart#startDataAnimation()}
* method(don't confuse with View.animate()). If you operate on data that was set before you don't have to call
* {@link LineChartView#setLineChartData(LineChartData)} again.
*/
private void prepareDataAnimation() {
for (Line line : data.getLines()) {
for (PointValue value : line.getValues()) {
// Here I modify target only for Y values but it is OK to modify X targets as well.
value.setTarget(value.getX(), (float) Math.random() * 100);
}
}
}
Example 11
| Source File: LineColumnDependencyActivity.java From hellocharts-android with Apache License 2.0 | 5 votes |
|
private void generateLineData(int color, float range) {
// Cancel last animation if not finished.
chartTop.cancelDataAnimation();
// Modify data targets
Line line = lineData.getLines().get(0);// For this example there is always only one line.
line.setColor(color);
for (PointValue value : line.getValues()) {
// Change target only for Y value.
value.setTarget(value.getX(), (float) Math.random() * range);
}
// Start new data animation with 300ms duration;
chartTop.startDataAnimation(300);
}
