use of com.codename1.charts.renderers.XYSeriesRenderer in project CodenameOne by codenameone.
the class RangeBarChart method drawChartValuesText.
/**
* The graphical representation of the series values as text.
*
* @param canvas the canvas to paint to
* @param series the series to be painted
* @param renderer the series renderer
* @param paint the paint to be used for drawing
* @param points the array of points to be used for drawing the series
* @param seriesIndex the index of the series currently being drawn
* @param startIndex the start index of the rendering points
*/
protected void drawChartValuesText(Canvas canvas, XYSeries series, XYSeriesRenderer renderer, Paint paint, List<Float> points, int seriesIndex, int startIndex) {
int seriesNr = mDataset.getSeriesCount();
float halfDiffX = getHalfDiffX(points, points.size(), seriesNr);
int start = 0;
if (startIndex > 0) {
start = 2;
}
for (int i = start; i < points.size(); i += 4) {
int index = startIndex + i / 2;
float x = points.get(i);
if (mType == Type.DEFAULT) {
x += seriesIndex * 2 * halfDiffX - (seriesNr - 1.5f) * halfDiffX;
}
if (!isNullValue(series.getY(index + 1)) && points.size() > i + 3) {
// draw the maximum value
drawText(canvas, getLabel(renderer.getChartValuesFormat(), series.getY(index + 1)), x, points.get(i + 3) - renderer.getChartValuesSpacing(), paint, 0);
}
if (!isNullValue(series.getY(index)) && points.size() > i + 1) {
// draw the minimum value
drawText(canvas, getLabel(renderer.getChartValuesFormat(), series.getY(index)), x, points.get(i + 1) + renderer.getChartValuesTextSize() + renderer.getChartValuesSpacing() - 3, paint, 0);
}
}
}
use of com.codename1.charts.renderers.XYSeriesRenderer in project CodenameOne by codenameone.
the class ScatterChart method drawSeries.
/**
* The graphical representation of a series.
*
* @param canvas the canvas to paint to
* @param paint the paint to be used for drawing
* @param points the array of points to be used for drawing the series
* @param seriesRenderer the series renderer
* @param yAxisValue the minimum value of the y axis
* @param seriesIndex the index of the series currently being drawn
* @param startIndex the start index of the rendering points
*/
@Override
public void drawSeries(Canvas canvas, Paint paint, List<Float> points, XYSeriesRenderer renderer, float yAxisValue, int seriesIndex, int startIndex) {
paint.setColor(renderer.getColor());
final float stroke = paint.getStrokeWidth();
if (renderer.isFillPoints()) {
paint.setStyle(Style.FILL);
} else {
paint.setStrokeWidth(renderer.getPointStrokeWidth());
paint.setStyle(Style.STROKE);
}
int length = points.size();
// switch on ENUM's generates reflection code that screws up J2ME
PointStyle ps = renderer.getPointStyle();
if (ps == PointStyle.X) {
paint.setStrokeWidth(renderer.getPointStrokeWidth());
for (int i = 0; i < length; i += 2) {
drawX(canvas, paint, points.get(i), points.get(i + 1));
}
} else {
if (ps == PointStyle.CIRCLE) {
for (int i = 0; i < length; i += 2) {
drawCircle(canvas, paint, points.get(i), points.get(i + 1));
}
} else {
if (ps == PointStyle.TRIANGLE) {
float[] path = new float[6];
for (int i = 0; i < length; i += 2) {
drawTriangle(canvas, paint, path, points.get(i), points.get(i + 1));
}
} else {
if (ps == PointStyle.SQUARE) {
for (int i = 0; i < length; i += 2) {
drawSquare(canvas, paint, points.get(i), points.get(i + 1));
}
} else {
if (ps == PointStyle.DIAMOND) {
float[] path = new float[8];
for (int i = 0; i < length; i += 2) {
drawDiamond(canvas, paint, path, points.get(i), points.get(i + 1));
}
} else {
if (ps == PointStyle.POINT) {
for (int i = 0; i < length; i += 2) {
canvas.drawPoint(points.get(i), points.get(i + 1), paint);
}
}
}
}
}
}
}
/*switch (renderer.getPointStyle()) {
case X:
paint.setStrokeWidth(renderer.getPointStrokeWidth());
for (int i = 0; i < length; i += 2) {
drawX(canvas, paint, points.get(i), points.get(i + 1));
}
break;
case CIRCLE:
for (int i = 0; i < length; i += 2) {
drawCircle(canvas, paint, points.get(i), points.get(i + 1));
}
break;
case TRIANGLE:
float[] path = new float[6];
for (int i = 0; i < length; i += 2) {
drawTriangle(canvas, paint, path, points.get(i), points.get(i + 1));
}
break;
case SQUARE:
for (int i = 0; i < length; i += 2) {
drawSquare(canvas, paint, points.get(i), points.get(i + 1));
}
break;
case DIAMOND:
path = new float[8];
for (int i = 0; i < length; i += 2) {
drawDiamond(canvas, paint, path, points.get(i), points.get(i + 1));
}
break;
case POINT:
for (int i = 0; i < length; i += 2) {
canvas.drawPoint(points.get(i), points.get(i + 1), paint);
}
break;
}*/
paint.setStrokeWidth(stroke);
}
use of com.codename1.charts.renderers.XYSeriesRenderer in project CodenameOne by codenameone.
the class XYChart method drawChartValuesText.
/**
* The graphical representation of the series values as text.
*
* @param canvas the canvas to paint to
* @param series the series to be painted
* @param renderer the series renderer
* @param paint the paint to be used for drawing
* @param points the array of points to be used for drawing the series
* @param seriesIndex the index of the series currently being drawn
* @param startIndex the start index of the rendering points
*/
protected void drawChartValuesText(Canvas canvas, XYSeries series, XYSeriesRenderer renderer, Paint paint, List<Float> points, int seriesIndex, int startIndex) {
if (points.size() > 2) {
// there are more than one point
// record the first point's position
float previousPointX = points.get(0);
float previousPointY = points.get(1);
for (int k = 0; k < points.size(); k += 2) {
if (k == 2) {
// not
if (Math.abs(points.get(2) - points.get(0)) > renderer.getDisplayChartValuesDistance() || Math.abs(points.get(3) - points.get(1)) > renderer.getDisplayChartValuesDistance()) {
// first point
drawText(canvas, getLabel(renderer.getChartValuesFormat(), series.getY(startIndex)), points.get(0), points.get(1) - renderer.getChartValuesSpacing(), paint, 0);
// second point
drawText(canvas, getLabel(renderer.getChartValuesFormat(), series.getY(startIndex + 1)), points.get(2), points.get(3) - renderer.getChartValuesSpacing(), paint, 0);
previousPointX = points.get(2);
previousPointY = points.get(3);
}
} else if (k > 2) {
// are not too close, display
if (Math.abs(points.get(k) - previousPointX) > renderer.getDisplayChartValuesDistance() || Math.abs(points.get(k + 1) - previousPointY) > renderer.getDisplayChartValuesDistance()) {
drawText(canvas, getLabel(renderer.getChartValuesFormat(), series.getY(startIndex + k / 2)), points.get(k), points.get(k + 1) - renderer.getChartValuesSpacing(), paint, 0);
previousPointX = points.get(k);
previousPointY = points.get(k + 1);
}
}
}
} else {
// if only one point, display it
for (int k = 0; k < points.size(); k += 2) {
drawText(canvas, getLabel(renderer.getChartValuesFormat(), series.getY(startIndex + k / 2)), points.get(k), points.get(k + 1) - renderer.getChartValuesSpacing(), paint, 0);
}
}
}
use of com.codename1.charts.renderers.XYSeriesRenderer in project CodenameOne by codenameone.
the class XYChart method draw.
/**
* The graphical representation of the XY chart.
*
* @param canvas the canvas to paint to
* @param x the top left x value of the view to draw to
* @param y the top left y value of the view to draw to
* @param width the width of the view to draw to
* @param height the height of the view to draw to
* @param paint the paint
*/
public void draw(Canvas canvas, int x, int y, int width, int height, Paint paint) {
paint.setAntiAlias(mRenderer.isAntialiasing());
int legendSize = getLegendSize(mRenderer, height / 5, mRenderer.getAxisTitleTextSize());
int[] margins = mRenderer.getMargins();
int left = x + margins[1] + (int) mRenderer.getAxisTitleTextSize() + (mRenderer.isShowLabels() ? (int) mRenderer.getLabelsTextSize() : 0);
int top = y + margins[0];
int right = x + width - margins[3];
int sLength = mDataset.getSeriesCount();
String[] titles = new String[sLength];
for (int i = 0; i < sLength; i++) {
titles[i] = mDataset.getSeriesAt(i).getTitle();
}
if (mRenderer.isFitLegend() && mRenderer.isShowLegend()) {
legendSize = drawLegend(canvas, mRenderer, titles, left, right, y, width, height, legendSize, paint, true);
}
int bottom = y + height - margins[2] - legendSize - (int) mRenderer.getAxisTitleTextSize() - (mRenderer.isShowLabels() ? (int) mRenderer.getLabelsTextSize() : 0);
if (mScreenR == null) {
mScreenR = new Rectangle();
}
mScreenR.setBounds(left, top, right - left, bottom - top);
drawBackground(mRenderer, canvas, x, y, width, height, paint, false, DefaultRenderer.NO_COLOR);
if (paint.getTypeface() == null || (mRenderer.getTextTypeface() != null && paint.getTypeface().equals(mRenderer.getTextTypeface())) || !paint.getTypeface().toString().equals(mRenderer.getTextTypefaceName()) || paint.getTypeface().getStyle() != mRenderer.getTextTypefaceStyle()) {
if (mRenderer.getTextTypeface() != null) {
paint.setTypeface(mRenderer.getTextTypeface());
} else {
paint.setTypeface(Font.createSystemFont(mRenderer.getTextTypefaceName(), mRenderer.getTextTypefaceStyle(), Font.SIZE_SMALL));
}
}
Orientation or = mRenderer.getOrientation();
if (or == Orientation.VERTICAL) {
right -= legendSize;
bottom += legendSize - 20;
}
int angle = or.getAngle();
boolean rotate = angle == 90;
mScale = (float) (height) / width;
mTranslate = Math.abs(width - height) / 2;
if (mScale < 1) {
mTranslate *= -1;
}
mCenter = new Point((x + width) / 2, (y + height) / 2);
if (rotate) {
transform(canvas, angle, false);
}
int maxScaleNumber = -Integer.MAX_VALUE;
for (int i = 0; i < sLength; i++) {
maxScaleNumber = Math.max(maxScaleNumber, mDataset.getSeriesAt(i).getScaleNumber());
}
maxScaleNumber++;
if (maxScaleNumber < 0) {
return;
}
double[] minX = new double[maxScaleNumber];
double[] maxX = new double[maxScaleNumber];
double[] minY = new double[maxScaleNumber];
double[] maxY = new double[maxScaleNumber];
boolean[] isMinXSet = new boolean[maxScaleNumber];
boolean[] isMaxXSet = new boolean[maxScaleNumber];
boolean[] isMinYSet = new boolean[maxScaleNumber];
boolean[] isMaxYSet = new boolean[maxScaleNumber];
for (int i = 0; i < maxScaleNumber; i++) {
minX[i] = mRenderer.getXAxisMin(i);
maxX[i] = mRenderer.getXAxisMax(i);
minY[i] = mRenderer.getYAxisMin(i);
maxY[i] = mRenderer.getYAxisMax(i);
isMinXSet[i] = mRenderer.isMinXSet(i);
isMaxXSet[i] = mRenderer.isMaxXSet(i);
isMinYSet[i] = mRenderer.isMinYSet(i);
isMaxYSet[i] = mRenderer.isMaxYSet(i);
if (mCalcRange.get(i) == null) {
mCalcRange.put(i, new double[4]);
}
}
double[] xPixelsPerUnit = new double[maxScaleNumber];
double[] yPixelsPerUnit = new double[maxScaleNumber];
for (int i = 0; i < sLength; i++) {
XYSeries series = mDataset.getSeriesAt(i);
int scale = series.getScaleNumber();
if (series.getItemCount() == 0) {
continue;
}
if (!isMinXSet[scale]) {
double minimumX = series.getMinX();
if (minimumX != MathHelper.NULL_VALUE) {
minX[scale] = minX[scale] == MathHelper.NULL_VALUE ? minimumX : Math.min(minX[scale], minimumX);
mCalcRange.get(scale)[0] = minX[scale];
} else {
minX[scale] = 0;
mCalcRange.get(scale)[0] = 0;
}
}
if (!isMaxXSet[scale]) {
double maximumX = series.getMaxX();
if (maximumX != MathHelper.NULL_VALUE) {
maxX[scale] = maxX[scale] == MathHelper.NULL_VALUE ? maximumX : Math.max(maxX[scale], maximumX);
mCalcRange.get(scale)[1] = maxX[scale];
} else {
maxX[scale] = minX[scale] + 1;
mCalcRange.get(scale)[1] = maxX[scale];
}
}
if (!isMinYSet[scale]) {
double minimumY = series.getMinY();
if (minimumY != MathHelper.NULL_VALUE) {
minY[scale] = minY[scale] == MathHelper.NULL_VALUE ? minimumY : Math.min(minY[scale], (float) minimumY);
mCalcRange.get(scale)[2] = minY[scale];
} else {
minY[scale] = 0;
mCalcRange.get(scale)[2] = 0;
}
}
if (!isMaxYSet[scale]) {
double maximumY = series.getMaxY();
if (maximumY != MathHelper.NULL_VALUE) {
maxY[scale] = maxY[scale] == MathHelper.NULL_VALUE ? maximumY : Math.max(maxY[scale], (float) maximumY);
mCalcRange.get(scale)[3] = maxY[scale];
} else {
maxY[scale] = minY[scale] + 1;
mCalcRange.get(scale)[3] = maxY[scale];
}
}
}
for (int i = 0; i < maxScaleNumber; i++) {
if (maxX[i] - minX[i] != 0) {
xPixelsPerUnit[i] = (right - left) / (maxX[i] - minX[i]);
}
if (maxY[i] - minY[i] != 0) {
yPixelsPerUnit[i] = (float) ((bottom - top) / (maxY[i] - minY[i]));
}
// the X axis on multiple scales was wrong without this fix
if (i > 0) {
xPixelsPerUnit[i] = xPixelsPerUnit[0];
minX[i] = minX[0];
maxX[i] = maxX[0];
}
}
boolean hasValues = false;
// use a linked list for these reasons:
// 1) Avoid a large contiguous memory allocation
// 2) We don't need random seeking, only sequential reading/writing, so
// linked list makes sense
clickableAreas = new HashMap<Integer, List<ClickableArea>>();
for (int i = 0; i < sLength; i++) {
XYSeries series = mDataset.getSeriesAt(i);
int scale = series.getScaleNumber();
if (series.getItemCount() == 0) {
continue;
}
hasValues = true;
XYSeriesRenderer seriesRenderer = (XYSeriesRenderer) mRenderer.getSeriesRendererAt(i);
// int originalValuesLength = series.getItemCount();
// int valuesLength = originalValuesLength;
// int length = valuesLength * 2;
List<Float> points = new ArrayList<Float>();
List<Double> values = new ArrayList<Double>();
float yAxisValue = Math.min(bottom, (float) (bottom + yPixelsPerUnit[scale] * minY[scale]));
LinkedList<ClickableArea> clickableArea = new LinkedList<ClickableArea>();
clickableAreas.put(i, clickableArea);
synchronized (series) {
SortedMap<Double, Double> range = series.getRange(minX[scale], maxX[scale], seriesRenderer.isDisplayBoundingPoints());
int startIndex = -1;
for (Double value : range.keySet()) {
double xValue = value;
Double rValue = range.get(value);
double yValue = rValue.doubleValue();
if (startIndex < 0 && (!isNullValue(yValue) || isRenderNullValues())) {
startIndex = series.getIndexForKey(xValue);
}
// points.add((float) (left + xPixelsPerUnit[scale]
// * (value.getKey().floatValue() - minX[scale])));
// points.add((float) (bottom - yPixelsPerUnit[scale]
// * (value.getValue().floatValue() - minY[scale])));
values.add(value);
values.add(rValue);
if (!isNullValue(yValue)) {
points.add((float) (left + xPixelsPerUnit[scale] * (xValue - minX[scale])));
points.add((float) (bottom - yPixelsPerUnit[scale] * (yValue - minY[scale])));
} else if (isRenderNullValues()) {
points.add((float) (left + xPixelsPerUnit[scale] * (xValue - minX[scale])));
points.add((float) (bottom - yPixelsPerUnit[scale] * (-minY[scale])));
} else {
if (points.size() > 0) {
drawSeries(series, canvas, paint, points, seriesRenderer, yAxisValue, i, or, startIndex);
ClickableArea[] clickableAreasForSubSeries = clickableAreasForPoints(points, values, yAxisValue, i, startIndex);
clickableArea.addAll(Arrays.asList(clickableAreasForSubSeries));
points.clear();
values.clear();
startIndex = -1;
}
clickableArea.add(null);
}
}
int count = series.getAnnotationCount();
if (count > 0) {
paint.setColor(seriesRenderer.getAnnotationsColor());
paint.setTextSize(seriesRenderer.getAnnotationsTextSize());
paint.setTextAlign(seriesRenderer.getAnnotationsTextAlign());
Rectangle2D bound = new Rectangle2D();
for (int j = 0; j < count; j++) {
float xS = (float) (left + xPixelsPerUnit[scale] * (series.getAnnotationX(j) - minX[scale]));
float yS = (float) (bottom - yPixelsPerUnit[scale] * (series.getAnnotationY(j) - minY[scale]));
paint.getTextBounds(series.getAnnotationAt(j), 0, series.getAnnotationAt(j).length(), bound);
if (xS < (xS + bound.getWidth()) && yS < canvas.getHeight()) {
drawString(canvas, series.getAnnotationAt(j), xS, yS, paint);
}
}
}
if (points.size() > 0) {
drawSeries(series, canvas, paint, points, seriesRenderer, yAxisValue, i, or, startIndex);
ClickableArea[] clickableAreasForSubSeries = clickableAreasForPoints(points, values, yAxisValue, i, startIndex);
clickableArea.addAll(Arrays.asList(clickableAreasForSubSeries));
}
}
}
// draw stuff over the margins such as data doesn't render on these areas
drawBackground(mRenderer, canvas, x, bottom, width, height - bottom, paint, true, mRenderer.getMarginsColor());
drawBackground(mRenderer, canvas, x, y, width, margins[0], paint, true, mRenderer.getMarginsColor());
if (or == Orientation.HORIZONTAL) {
drawBackground(mRenderer, canvas, x, y, left - x, height - y, paint, true, mRenderer.getMarginsColor());
drawBackground(mRenderer, canvas, right, y, margins[3], height - y, paint, true, mRenderer.getMarginsColor());
} else if (or == Orientation.VERTICAL) {
drawBackground(mRenderer, canvas, right, y, width - right, height - y, paint, true, mRenderer.getMarginsColor());
drawBackground(mRenderer, canvas, x, y, left - x, height - y, paint, true, mRenderer.getMarginsColor());
}
boolean showLabels = mRenderer.isShowLabels() && hasValues;
boolean showGridX = mRenderer.isShowGridX();
boolean showTickMarks = mRenderer.isShowTickMarks();
// boolean showCustomTextGridX = mRenderer.isShowCustomTextGridX();
boolean showCustomTextGridY = mRenderer.isShowCustomTextGridY();
if (showLabels || showGridX) {
List<Double> xLabels = getValidLabels(getXLabels(minX[0], maxX[0], mRenderer.getXLabels()));
Map<Integer, List<Double>> allYLabels = getYLabels(minY, maxY, maxScaleNumber);
int xLabelsLeft = left;
if (showLabels) {
paint.setColor(mRenderer.getXLabelsColor());
paint.setTextSize(mRenderer.getLabelsTextSize());
paint.setTextAlign(mRenderer.getXLabelsAlign());
// if (mRenderer.getXLabelsAlign() == Align.LEFT) {
// xLabelsLeft += mRenderer.getLabelsTextSize() / 4;
// }
}
drawXLabels(xLabels, mRenderer.getXTextLabelLocations(), canvas, paint, xLabelsLeft, top, bottom, xPixelsPerUnit[0], minX[0], maxX[0]);
drawYLabels(allYLabels, canvas, paint, maxScaleNumber, left, right, bottom, yPixelsPerUnit, minY);
if (showLabels) {
paint.setColor(mRenderer.getLabelsColor());
for (int i = 0; i < maxScaleNumber; i++) {
int axisAlign = mRenderer.getYAxisAlign(i);
Double[] yTextLabelLocations = mRenderer.getYTextLabelLocations(i);
for (Double location : yTextLabelLocations) {
if (minY[i] <= location && location <= maxY[i]) {
float yLabel = (float) (bottom - yPixelsPerUnit[i] * (location.doubleValue() - minY[i]));
String label = mRenderer.getYTextLabel(location, i);
paint.setColor(mRenderer.getYLabelsColor(i));
paint.setTextAlign(mRenderer.getYLabelsAlign(i));
if (or == Orientation.HORIZONTAL) {
if (axisAlign == Align.LEFT) {
if (showTickMarks) {
canvas.drawLine(left + getLabelLinePos(axisAlign), yLabel, left, yLabel, paint);
}
drawText(canvas, label, left - mRenderer.getYLabelsPadding(), yLabel - mRenderer.getYLabelsVerticalPadding(), paint, mRenderer.getYLabelsAngle());
} else {
if (showTickMarks) {
canvas.drawLine(right, yLabel, right + getLabelLinePos(axisAlign), yLabel, paint);
}
drawText(canvas, label, right - mRenderer.getYLabelsPadding(), yLabel - mRenderer.getYLabelsVerticalPadding(), paint, mRenderer.getYLabelsAngle());
}
if (showCustomTextGridY) {
paint.setColor(mRenderer.getGridColor(i));
canvas.drawLine(left, yLabel, right, yLabel, paint);
}
} else {
if (showTickMarks) {
canvas.drawLine(right - getLabelLinePos(axisAlign), yLabel, right, yLabel, paint);
}
drawText(canvas, label, right + 10, yLabel - mRenderer.getYLabelsVerticalPadding(), paint, mRenderer.getYLabelsAngle());
if (showCustomTextGridY) {
paint.setColor(mRenderer.getGridColor(i));
canvas.drawLine(right, yLabel, left, yLabel, paint);
}
}
}
}
}
}
if (showLabels) {
paint.setColor(mRenderer.getLabelsColor());
float size = mRenderer.getAxisTitleTextSize();
paint.setTextSize(size);
paint.setTextAlign(Align.CENTER);
if (or == Orientation.HORIZONTAL) {
drawText(canvas, mRenderer.getXTitle(), x + width / 2, bottom + mRenderer.getLabelsTextSize() * 4 / 3 + mRenderer.getXLabelsPadding() + size, paint, 0);
for (int i = 0; i < maxScaleNumber; i++) {
int axisAlign = mRenderer.getYAxisAlign(i);
if (axisAlign == Align.LEFT) {
drawText(canvas, mRenderer.getYTitle(i), x + size, y + height / 2, paint, -90);
} else {
drawText(canvas, mRenderer.getYTitle(i), x + width, y + height / 2, paint, -90);
}
}
paint.setTextSize(mRenderer.getChartTitleTextSize());
drawText(canvas, mRenderer.getChartTitle(), x + width / 2, y + mRenderer.getChartTitleTextSize(), paint, 0);
} else if (or == Orientation.VERTICAL) {
drawText(canvas, mRenderer.getXTitle(), x + width / 2, y + height - size + mRenderer.getXLabelsPadding(), paint, -90);
drawText(canvas, mRenderer.getYTitle(), right + 20, y + height / 2, paint, 0);
paint.setTextSize(mRenderer.getChartTitleTextSize());
drawText(canvas, mRenderer.getChartTitle(), x + size, top + height / 2, paint, 0);
}
}
}
if (or == Orientation.HORIZONTAL) {
drawLegend(canvas, mRenderer, titles, left, right, y + (int) mRenderer.getXLabelsPadding(), width, height, legendSize, paint, false);
} else if (or == Orientation.VERTICAL) {
transform(canvas, angle, true);
drawLegend(canvas, mRenderer, titles, left, right, y + (int) mRenderer.getXLabelsPadding(), width, height, legendSize, paint, false);
transform(canvas, angle, false);
}
if (mRenderer.isShowAxes()) {
paint.setColor(mRenderer.getXAxisColor());
canvas.drawLine(left, bottom, right, bottom, paint);
paint.setColor(mRenderer.getYAxisColor());
boolean rightAxis = false;
for (int i = 0; i < maxScaleNumber && !rightAxis; i++) {
rightAxis = mRenderer.getYAxisAlign(i) == Align.RIGHT;
}
if (or == Orientation.HORIZONTAL) {
canvas.drawLine(left, top, left, bottom, paint);
if (rightAxis) {
canvas.drawLine(right, top, right, bottom, paint);
}
} else if (or == Orientation.VERTICAL) {
canvas.drawLine(right, top, right, bottom, paint);
}
}
if (rotate) {
transform(canvas, angle, true);
}
}
use of com.codename1.charts.renderers.XYSeriesRenderer in project CodenameOne by codenameone.
the class CubicLineChart method drawPoints.
/**
* Draws the series points.
*
* @param canvas the canvas
* @param paint the paint object
* @param pointsList the points to be rendered
* @param seriesRenderer the series renderer
* @param yAxisValue the y axis value in pixels
* @param seriesIndex the series index
* @param startIndex the start index of the rendering points
*/
protected void drawPoints(Canvas canvas, Paint paint, List<Float> pointsList, XYSeriesRenderer seriesRenderer, float yAxisValue, int seriesIndex, int startIndex) {
if (isRenderPoints(seriesRenderer)) {
ScatterChart pointsChart = getPointsChart();
if (pointsChart != null) {
int length = (int) mPathMeasure.getLength();
int pointsLength = pointsList.size();
float[] coords = new float[2];
for (int i = 0; i < length; i++) {
mPathMeasure.getPosTan(i, coords, null);
double prevDiff = Double.MAX_VALUE;
boolean ok = true;
for (int j = 0; j < pointsLength && ok; j += 2) {
double diff = Math.abs(pointsList.get(j) - coords[0]);
if (diff < 1) {
pointsList.set(j + 1, coords[1]);
prevDiff = diff;
}
ok = prevDiff > diff;
}
}
pointsChart.drawSeries(canvas, paint, pointsList, seriesRenderer, yAxisValue, seriesIndex, startIndex);
}
}
}
Aggregations