Examples with XYSeriesRenderer com.codename1.charts.renderers.XYSeriesRenderer used on opensource projects

Example 1 with XYSeriesRenderer

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);
        }
    }
}

Example 2 with XYSeriesRenderer

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);
}

Example 3 with XYSeriesRenderer

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);
        }
    }
}

Example 4 with XYSeriesRenderer

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);
    }
}

Example 5 with XYSeriesRenderer

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);
        }
    }
}