Examples with Paint com.codename1.charts.compat.Paint used on opensource projects

Example 21 with Paint

use of com.codename1.charts.compat.Paint in project CodenameOne by codenameone.

the class DialChart method drawTicks.

/**
 * Draws the chart tick lines.
 *
 * @param canvas the canvas
 * @param min the minimum chart value
 * @param max the maximum chart value
 * @param minAngle the minimum chart angle value
 * @param maxAngle the maximum chart angle value
 * @param centerX the center x value
 * @param centerY the center y value
 * @param longRadius the long radius
 * @param shortRadius the short radius
 * @param ticks the tick spacing
 * @param paint the paint settings
 * @param labels paint the labels
 * @return the angle
 */
private void drawTicks(Canvas canvas, double min, double max, double minAngle, double maxAngle, int centerX, int centerY, double longRadius, double shortRadius, double ticks, Paint paint, boolean labels) {
    for (double i = min; i <= max; i += ticks) {
        double angle = getAngleForValue(i, minAngle, maxAngle, min, max);
        double sinValue = Math.sin(angle);
        double cosValue = Math.cos(angle);
        int x1 = Math.round(centerX + (float) (shortRadius * sinValue));
        int y1 = Math.round(centerY + (float) (shortRadius * cosValue));
        int x2 = Math.round(centerX + (float) (longRadius * sinValue));
        int y2 = Math.round(centerY + (float) (longRadius * cosValue));
        canvas.drawLine(x1, y1, x2, y2, paint);
        if (labels) {
            paint.setTextAlign(Component.LEFT);
            if (x1 <= x2) {
                paint.setTextAlign(Component.RIGHT);
            }
            String text = i + "";
            if (Math.round(i) == (long) i) {
                text = (long) i + "";
            }
            canvas.drawText(text, x1, y1, paint);
        }
    }
}

Example 22 with Paint

use of com.codename1.charts.compat.Paint in project CodenameOne by codenameone.

the class DialChart method draw.

/**
 * The graphical representation of the dial 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();
    String[] titles = new String[sLength];
    for (int i = 0; i < sLength; 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);
    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;
    }
    float shortRadius = radius * 0.9f;
    float longRadius = radius * 1.1f;
    double min = mRenderer.getMinValue();
    double max = mRenderer.getMaxValue();
    double angleMin = mRenderer.getAngleMin();
    double angleMax = mRenderer.getAngleMax();
    if (!mRenderer.isMinValueSet() || !mRenderer.isMaxValueSet()) {
        int count = mRenderer.getSeriesRendererCount();
        for (int i = 0; i < count; i++) {
            double value = mDataset.getValue(i);
            if (!mRenderer.isMinValueSet()) {
                min = min == MathHelper.NULL_VALUE ? value : Math.min(min, value);
            }
            if (!mRenderer.isMaxValueSet()) {
                max = max == MathHelper.NULL_VALUE ? value : Math.max(max, value);
            }
        }
    }
    if (min == max) {
        min = min * 0.5;
        max = max * 1.5;
    }
    paint.setColor(mRenderer.getLabelsColor());
    double minorTicks = mRenderer.getMinorTicksSpacing();
    double majorTicks = mRenderer.getMajorTicksSpacing();
    if (minorTicks == MathHelper.NULL_VALUE) {
        minorTicks = (max - min) / 30;
    }
    if (majorTicks == MathHelper.NULL_VALUE) {
        majorTicks = (max - min) / 10;
    }
    drawTicks(canvas, min, max, angleMin, angleMax, mCenterX, mCenterY, longRadius, radius, minorTicks, paint, false);
    drawTicks(canvas, min, max, angleMin, angleMax, mCenterX, mCenterY, longRadius, shortRadius, majorTicks, paint, true);
    int count = mRenderer.getSeriesRendererCount();
    for (int i = 0; i < count; i++) {
        double angle = getAngleForValue(mDataset.getValue(i), angleMin, angleMax, min, max);
        paint.setColor(mRenderer.getSeriesRendererAt(i).getColor());
        boolean type = mRenderer.getVisualTypeForIndex(i) == Type.ARROW;
        drawNeedle(canvas, angle, mCenterX, mCenterY, shortRadius, type, paint);
    }
    drawLegend(canvas, mRenderer, titles, left, right, y, width, height, legendSize, paint, false);
    drawTitle(canvas, x, y, width, paint);
}

Example 23 with Paint

use of com.codename1.charts.compat.Paint 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 24 with Paint

use of com.codename1.charts.compat.Paint 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);
}

Example 25 with Paint

use of com.codename1.charts.compat.Paint in project CodenameOne by codenameone.

the class OnOffSwitch method animateTo.

private void animateTo(final boolean value, final int position) {
    int switchButtonPadInt = UIManager.getInstance().getThemeConstant("switchButtonPadInt", 16);
    if (Display.getInstance().getDisplayWidth() > 480) {
        // is retina
        switchButtonPadInt *= 2;
    }
    final Motion current = Motion.createEaseInOutMotion(Math.abs(position), switchMaskImage.getWidth() - 2 * switchButtonPadInt, 100);
    current.start();
    deltaX = position;
    getComponentForm().registerAnimated(new Animation() {

        public boolean animate() {
            deltaX = current.getValue();
            if (value) {
                deltaX *= -1;
            }
            dragged = true;
            if (current.isFinished()) {
                dragged = false;
                Form f = getComponentForm();
                if (f != null) {
                    f.deregisterAnimated(this);
                }
                OnOffSwitch.this.setValue(value);
            }
            repaint();
            return false;
        }

        public void paint(Graphics g) {
        }
    });
    dragged = true;
}