Examples with List com.codename1.ui.List used on opensource projects

Example 31 with List

use of com.codename1.ui.List 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);
        }
    }
}

Example 32 with List

use of com.codename1.ui.List in project CodenameOne by codenameone.

the class CubicLineChart method drawPath.

@Override
protected void drawPath(Canvas canvas, List<Float> points, Paint paint, boolean circular) {
    GeneralPath p = new GeneralPath();
    float x = points.get(0);
    float y = points.get(1);
    p.moveTo(x, y);
    int length = points.size();
    if (circular) {
        length -= 4;
    }
    Point p1 = new Point();
    Point p2 = new Point();
    Point p3 = new Point();
    for (int i = 0; i < length; i += 2) {
        int nextIndex = i + 2 < length ? i + 2 : i;
        int nextNextIndex = i + 4 < length ? i + 4 : nextIndex;
        calc(points, p1, i, nextIndex, mSecondMultiplier);
        p2.setX(points.get(nextIndex));
        p2.setY(points.get(nextIndex + 1));
        calc(points, p3, nextIndex, nextNextIndex, mFirstMultiplier);
        // From last point, approaching x1/y1 and x2/y2 and ends up at x3/y3
        p.curveTo(p1.getX(), p1.getY(), p2.getX(), p2.getY(), p3.getX(), p3.getY());
    }
    mPathMeasure = new PathMeasure(p, false);
    if (circular) {
        for (int i = length; i < length + 4; i += 2) {
            p.lineTo(points.get(i), points.get(i + 1));
        }
        p.lineTo(points.get(0), points.get(1));
    }
    canvas.drawPath(p, paint);
}

Example 33 with List

use of com.codename1.ui.List in project CodenameOne by codenameone.

the class LineChart method clickableAreasForPoints.

@Override
protected ClickableArea[] clickableAreasForPoints(List<Float> points, List<Double> values, float yAxisValue, int seriesIndex, int startIndex) {
    int length = points.size();
    ClickableArea[] ret = new ClickableArea[length / 2];
    for (int i = 0; i < length; i += 2) {
        int selectableBuffer = mRenderer.getSelectableBuffer();
        ret[i / 2] = new ClickableArea(PkgUtils.makeRect(points.get(i) - selectableBuffer, points.get(i + 1) - selectableBuffer, points.get(i) + selectableBuffer, points.get(i + 1) + selectableBuffer), values.get(i), values.get(i + 1));
    }
    return ret;
}

Example 34 with List

use of com.codename1.ui.List in project CodenameOne by codenameone.

the class LineChart 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) {
    float lineWidth = paint.getStrokeWidth();
    paint.setStrokeWidth(renderer.getLineWidth());
    final FillOutsideLine[] fillOutsideLine = renderer.getFillOutsideLine();
    for (FillOutsideLine fill : fillOutsideLine) {
        if (fill.getType() != FillOutsideLine.Type.NONE) {
            paint.setColor(fill.getColor());
            // TODO: find a way to do area charts without duplicating data
            List<Float> fillPoints = new ArrayList<Float>();
            int[] range = fill.getFillRange();
            if (range == null) {
                fillPoints.addAll(points);
            } else {
                if (points.size() > range[0] * 2 && points.size() > range[1] * 2) {
                    fillPoints.addAll(points.subList(range[0] * 2, range[1] * 2));
                }
            }
            final float referencePoint;
            // switch on ENUM's generates reflection code that screws up J2ME
            FillOutsideLine.Type tt = fill.getType();
            if (tt == FillOutsideLine.Type.BOUNDS_ALL || tt == FillOutsideLine.Type.BOUNDS_BELOW || tt == FillOutsideLine.Type.BOUNDS_ABOVE) {
                referencePoint = yAxisValue;
            } else {
                if (tt == FillOutsideLine.Type.BELOW) {
                    referencePoint = canvas.getHeight();
                } else {
                    if (tt == FillOutsideLine.Type.ABOVE) {
                        referencePoint = 0;
                    } else {
                        throw new RuntimeException("You have added a new type of filling but have not implemented.");
                    }
                }
            }
            /*switch (fill.getType()) {
        case BOUNDS_ALL:
          referencePoint = yAxisValue;
          break;
        case BOUNDS_BELOW:
          referencePoint = yAxisValue;
          break;
        case BOUNDS_ABOVE:
          referencePoint = yAxisValue;
          break;
        case BELOW:
          referencePoint = canvas.getHeight();
          break;
        case ABOVE:
          referencePoint = 0;
          break;
        default:
          throw new RuntimeException(
              "You have added a new type of filling but have not implemented.");
        }*/
            if (fill.getType() == FillOutsideLine.Type.BOUNDS_ABOVE || fill.getType() == FillOutsideLine.Type.BOUNDS_BELOW) {
                List<Float> boundsPoints = new ArrayList<Float>();
                boolean add = false;
                int length = fillPoints.size();
                if (length > 0 && fill.getType() == FillOutsideLine.Type.BOUNDS_ABOVE && fillPoints.get(1) < referencePoint || fill.getType() == FillOutsideLine.Type.BOUNDS_BELOW && fillPoints.get(1) > referencePoint) {
                    boundsPoints.add(fillPoints.get(0));
                    boundsPoints.add(fillPoints.get(1));
                    add = true;
                }
                for (int i = 3; i < length; i += 2) {
                    float prevValue = fillPoints.get(i - 2);
                    float value = fillPoints.get(i);
                    if (prevValue < referencePoint && value > referencePoint || prevValue > referencePoint && value < referencePoint) {
                        float prevX = fillPoints.get(i - 3);
                        float x = fillPoints.get(i - 1);
                        boundsPoints.add(prevX + (x - prevX) * (referencePoint - prevValue) / (value - prevValue));
                        boundsPoints.add(referencePoint);
                        if (fill.getType() == FillOutsideLine.Type.BOUNDS_ABOVE && value > referencePoint || fill.getType() == FillOutsideLine.Type.BOUNDS_BELOW && value < referencePoint) {
                            i += 2;
                            add = false;
                        } else {
                            boundsPoints.add(x);
                            boundsPoints.add(value);
                            add = true;
                        }
                    } else {
                        if (add || fill.getType() == FillOutsideLine.Type.BOUNDS_ABOVE && value < referencePoint || fill.getType() == FillOutsideLine.Type.BOUNDS_BELOW && value > referencePoint) {
                            boundsPoints.add(fillPoints.get(i - 1));
                            boundsPoints.add(value);
                        }
                    }
                }
                fillPoints.clear();
                fillPoints.addAll(boundsPoints);
            }
            int length = fillPoints.size();
            if (length > 0) {
                fillPoints.set(0, fillPoints.get(0) + 1);
                fillPoints.add(fillPoints.get(length - 2));
                fillPoints.add(referencePoint);
                fillPoints.add(fillPoints.get(0));
                fillPoints.add(fillPoints.get(length + 1));
                for (int i = 0; i < length + 4; i += 2) {
                    if (fillPoints.get(i + 1) < 0) {
                        fillPoints.set(i + 1, 0f);
                    }
                }
                paint.setStyle(Style.FILL);
                drawPath(canvas, fillPoints, paint, true);
            }
        }
    }
    paint.setColor(renderer.getColor());
    paint.setStyle(Style.STROKE);
    drawPath(canvas, points, paint, false);
    paint.setStrokeWidth(lineWidth);
}

Example 35 with List

use of com.codename1.ui.List in project CodenameOne by codenameone.

the class PieChart method draw.

/**
 * The graphical representation of the pie 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
 */
@Override
public void draw(Canvas canvas, int x, int y, int width, int height, Paint paint) {
    paint.setAntiAlias(mRenderer.isAntialiasing());
    paint.setStyle(Style.FILL);
    paint.setTextSize(mRenderer.getLabelsTextSize());
    int legendSize = getLegendSize(mRenderer, height / 5, 0);
    int left = x;
    int top = y;
    int right = x + width;
    int sLength = mDataset.getItemCount();
    double total = 0;
    String[] titles = new String[sLength];
    for (int i = 0; i < sLength; i++) {
        total += mDataset.getValue(i);
        titles[i] = mDataset.getCategory(i);
    }
    if (mRenderer.isFitLegend()) {
        legendSize = drawLegend(canvas, mRenderer, titles, left, right, y, width, height, legendSize, paint, true);
    }
    int bottom = y + height - legendSize;
    drawBackground(mRenderer, canvas, x, y, width, height, paint, false, DefaultRenderer.NO_COLOR);
    float currentAngle = mRenderer.getStartAngle();
    int mRadius = Math.min(Math.abs(right - left), Math.abs(bottom - top));
    int radius = (int) (mRadius * 0.35 * mRenderer.getScale());
    if (autoCalculateCenter || mCenterX == NO_VALUE) {
        mCenterX = (left + right) / 2;
    }
    if (autoCalculateCenter || mCenterY == NO_VALUE) {
        mCenterY = (bottom + top) / 2;
    }
    // Hook in clip detection after center has been calculated
    mPieMapper.setDimensions(radius, mCenterX, mCenterY);
    boolean loadPieCfg = !mPieMapper.areAllSegmentPresent(sLength);
    if (loadPieCfg) {
        mPieMapper.clearPieSegments();
    }
    float shortRadius = radius * 0.9f;
    float longRadius = radius * 1.1f;
    Rectangle2D oval = PkgUtils.makeRect(mCenterX - radius, mCenterY - radius, mCenterX + radius, mCenterY + radius);
    List<Rectangle2D> prevLabelsBounds = new ArrayList<Rectangle2D>();
    for (int i = 0; i < sLength; i++) {
        SimpleSeriesRenderer seriesRenderer = mRenderer.getSeriesRendererAt(i);
        boolean gradient = false;
        GradientDrawable gradientDrawable = null;
        if (seriesRenderer.isGradientEnabled()) {
            gradient = true;
            gradientDrawable = new GradientDrawable(Orientation.TOP_BOTTOM, new int[] { seriesRenderer.getGradientStartColor(), seriesRenderer.getGradientStopColor() });
            paint.setColor(seriesRenderer.getGradientStartColor());
        } else {
            paint.setColor(seriesRenderer.getColor());
        }
        float value = (float) mDataset.getValue(i);
        float angle = (float) (value / total * 360);
        if (seriesRenderer.isHighlighted()) {
            double rAngle = Math.toRadians(90 - (currentAngle + angle / 2));
            float translateX = (float) (radius * 0.1 * Math.sin(rAngle));
            float translateY = (float) (radius * 0.1 * Math.cos(rAngle));
            oval.translate(translateX, translateY);
            if (gradient) {
                canvas.drawArcWithGradient(oval, currentAngle, angle, true, paint, gradientDrawable);
            } else {
                canvas.drawArc(oval, currentAngle, angle, true, paint);
            }
            oval.translate(-translateX, -translateY);
        } else {
            if (gradient) {
                canvas.drawArcWithGradient(oval, currentAngle, angle, true, paint, gradientDrawable);
            } else {
                canvas.drawArc(oval, currentAngle, angle, true, paint);
            }
        }
        paint.setColor(seriesRenderer.getColor());
        // paint.setShader(null);
        drawLabel(canvas, mDataset.getCategory(i), mRenderer, prevLabelsBounds, mCenterX, mCenterY, shortRadius, longRadius, currentAngle, angle, left, right, mRenderer.getLabelsColor(), paint, true, false);
        if (mRenderer.isDisplayValues()) {
            drawLabel(canvas, getLabel(mRenderer.getSeriesRendererAt(i).getChartValuesFormat(), mDataset.getValue(i)), mRenderer, prevLabelsBounds, mCenterX, mCenterY, shortRadius / 2, longRadius / 2, currentAngle, angle, left, right, mRenderer.getLabelsColor(), paint, false, true);
        }
        // Save details for getSeries functionality
        if (loadPieCfg) {
            mPieMapper.addPieSegment(i, value, currentAngle, angle);
        }
        currentAngle += angle;
    }
    prevLabelsBounds.clear();
    drawLegend(canvas, mRenderer, titles, left, right, y, width, height, legendSize, paint, false);
    drawTitle(canvas, x, y, width, paint);
}