Examples with TextAnchor org.jfree.chart.text.TextAnchor used on opensource projects

Example 6 with TextAnchor

use of org.jfree.chart.text.TextAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CyclicNumberAxis method refreshVerticalTicks.

/**
 * Builds a list of ticks for the axis.  This method is called when the
 * axis is at the left or right of the chart (so the axis is "vertical").
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param edge  the edge.
 *
 * @return A list of ticks.
 */
protected List refreshVerticalTicks(Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
    List result = new java.util.ArrayList();
    result.clear();
    Font tickLabelFont = getTickLabelFont();
    g2.setFont(tickLabelFont);
    if (isAutoTickUnitSelection()) {
        selectAutoTickUnit(g2, dataArea, edge);
    }
    double unit = getTickUnit().getSize();
    double cycleBound = getCycleBound();
    double currentTickValue = Math.ceil(cycleBound / unit) * unit;
    double upperValue = getRange().getUpperBound();
    boolean cycled = false;
    boolean boundMapping = this.boundMappedToLastCycle;
    this.boundMappedToLastCycle = true;
    NumberTick lastTick = null;
    float lastY = 0.0f;
    if (upperValue == cycleBound) {
        currentTickValue = calculateLowestVisibleTickValue();
        cycled = true;
        this.boundMappedToLastCycle = true;
    }
    while (currentTickValue <= upperValue) {
        // Cycle when necessary
        boolean cyclenow = false;
        if ((currentTickValue + unit > upperValue) && !cycled) {
            cyclenow = true;
        }
        double yy = valueToJava2D(currentTickValue, dataArea, edge);
        String tickLabel;
        NumberFormat formatter = getNumberFormatOverride();
        if (formatter != null) {
            tickLabel = formatter.format(currentTickValue);
        } else {
            tickLabel = getTickUnit().valueToString(currentTickValue);
        }
        float y = (float) yy;
        TextAnchor anchor;
        TextAnchor rotationAnchor;
        double angle = 0.0;
        if (isVerticalTickLabels()) {
            if (edge == RectangleEdge.LEFT) {
                anchor = TextAnchor.BOTTOM_CENTER;
                if ((lastTick != null) && (lastY == y) && (currentTickValue != cycleBound)) {
                    anchor = isInverted() ? TextAnchor.BOTTOM_LEFT : TextAnchor.BOTTOM_RIGHT;
                    result.remove(result.size() - 1);
                    result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                    this.internalMarkerWhenTicksOverlap = true;
                    anchor = isInverted() ? TextAnchor.BOTTOM_RIGHT : TextAnchor.BOTTOM_LEFT;
                }
                rotationAnchor = anchor;
                angle = -Math.PI / 2.0;
            } else {
                anchor = TextAnchor.BOTTOM_CENTER;
                if ((lastTick != null) && (lastY == y) && (currentTickValue != cycleBound)) {
                    anchor = isInverted() ? TextAnchor.BOTTOM_RIGHT : TextAnchor.BOTTOM_LEFT;
                    result.remove(result.size() - 1);
                    result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                    this.internalMarkerWhenTicksOverlap = true;
                    anchor = isInverted() ? TextAnchor.BOTTOM_LEFT : TextAnchor.BOTTOM_RIGHT;
                }
                rotationAnchor = anchor;
                angle = Math.PI / 2.0;
            }
        } else {
            if (edge == RectangleEdge.LEFT) {
                anchor = TextAnchor.CENTER_RIGHT;
                if ((lastTick != null) && (lastY == y) && (currentTickValue != cycleBound)) {
                    anchor = isInverted() ? TextAnchor.BOTTOM_RIGHT : TextAnchor.TOP_RIGHT;
                    result.remove(result.size() - 1);
                    result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                    this.internalMarkerWhenTicksOverlap = true;
                    anchor = isInverted() ? TextAnchor.TOP_RIGHT : TextAnchor.BOTTOM_RIGHT;
                }
                rotationAnchor = anchor;
            } else {
                anchor = TextAnchor.CENTER_LEFT;
                if ((lastTick != null) && (lastY == y) && (currentTickValue != cycleBound)) {
                    anchor = isInverted() ? TextAnchor.BOTTOM_LEFT : TextAnchor.TOP_LEFT;
                    result.remove(result.size() - 1);
                    result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                    this.internalMarkerWhenTicksOverlap = true;
                    anchor = isInverted() ? TextAnchor.TOP_LEFT : TextAnchor.BOTTOM_LEFT;
                }
                rotationAnchor = anchor;
            }
        }
        CycleBoundTick tick = new CycleBoundTick(this.boundMappedToLastCycle, currentTickValue, tickLabel, anchor, rotationAnchor, angle);
        if (currentTickValue == cycleBound) {
            this.internalMarkerCycleBoundTick = tick;
        }
        result.add(tick);
        lastTick = tick;
        lastY = y;
        if (currentTickValue == cycleBound) {
            this.internalMarkerCycleBoundTick = tick;
        }
        currentTickValue += unit;
        if (cyclenow) {
            currentTickValue = calculateLowestVisibleTickValue();
            upperValue = cycleBound;
            cycled = true;
            this.boundMappedToLastCycle = false;
        }
    }
    this.boundMappedToLastCycle = boundMapping;
    return result;
}

Example 7 with TextAnchor

use of org.jfree.chart.text.TextAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CyclicNumberAxis method refreshTicksHorizontal.

/**
 * Builds a list of ticks for the axis.  This method is called when the
 * axis is at the top or bottom of the chart (so the axis is "horizontal").
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param edge  the edge.
 *
 * @return A list of ticks.
 */
@Override
protected List refreshTicksHorizontal(Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
    List result = new java.util.ArrayList();
    Font tickLabelFont = getTickLabelFont();
    g2.setFont(tickLabelFont);
    if (isAutoTickUnitSelection()) {
        selectAutoTickUnit(g2, dataArea, edge);
    }
    double unit = getTickUnit().getSize();
    double cycleBound = getCycleBound();
    double currentTickValue = Math.ceil(cycleBound / unit) * unit;
    double upperValue = getRange().getUpperBound();
    boolean cycled = false;
    boolean boundMapping = this.boundMappedToLastCycle;
    this.boundMappedToLastCycle = false;
    CycleBoundTick lastTick = null;
    float lastX = 0.0f;
    if (upperValue == cycleBound) {
        currentTickValue = calculateLowestVisibleTickValue();
        cycled = true;
        this.boundMappedToLastCycle = true;
    }
    while (currentTickValue <= upperValue) {
        // Cycle when necessary
        boolean cyclenow = false;
        if ((currentTickValue + unit > upperValue) && !cycled) {
            cyclenow = true;
        }
        double xx = valueToJava2D(currentTickValue, dataArea, edge);
        String tickLabel;
        NumberFormat formatter = getNumberFormatOverride();
        if (formatter != null) {
            tickLabel = formatter.format(currentTickValue);
        } else {
            tickLabel = getTickUnit().valueToString(currentTickValue);
        }
        float x = (float) xx;
        TextAnchor anchor;
        TextAnchor rotationAnchor;
        double angle = 0.0;
        if (isVerticalTickLabels()) {
            if (edge == RectangleEdge.TOP) {
                angle = Math.PI / 2.0;
            } else {
                angle = -Math.PI / 2.0;
            }
            anchor = TextAnchor.CENTER_RIGHT;
            // If tick overlap when cycling, update last tick too
            if ((lastTick != null) && (lastX == x) && (currentTickValue != cycleBound)) {
                anchor = isInverted() ? TextAnchor.TOP_RIGHT : TextAnchor.BOTTOM_RIGHT;
                result.remove(result.size() - 1);
                result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                this.internalMarkerWhenTicksOverlap = true;
                anchor = isInverted() ? TextAnchor.BOTTOM_RIGHT : TextAnchor.TOP_RIGHT;
            }
            rotationAnchor = anchor;
        } else {
            if (edge == RectangleEdge.TOP) {
                anchor = TextAnchor.BOTTOM_CENTER;
                if ((lastTick != null) && (lastX == x) && (currentTickValue != cycleBound)) {
                    anchor = isInverted() ? TextAnchor.BOTTOM_LEFT : TextAnchor.BOTTOM_RIGHT;
                    result.remove(result.size() - 1);
                    result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                    this.internalMarkerWhenTicksOverlap = true;
                    anchor = isInverted() ? TextAnchor.BOTTOM_RIGHT : TextAnchor.BOTTOM_LEFT;
                }
                rotationAnchor = anchor;
            } else {
                anchor = TextAnchor.TOP_CENTER;
                if ((lastTick != null) && (lastX == x) && (currentTickValue != cycleBound)) {
                    anchor = isInverted() ? TextAnchor.TOP_LEFT : TextAnchor.TOP_RIGHT;
                    result.remove(result.size() - 1);
                    result.add(new CycleBoundTick(this.boundMappedToLastCycle, lastTick.getNumber(), lastTick.getText(), anchor, anchor, lastTick.getAngle()));
                    this.internalMarkerWhenTicksOverlap = true;
                    anchor = isInverted() ? TextAnchor.TOP_RIGHT : TextAnchor.TOP_LEFT;
                }
                rotationAnchor = anchor;
            }
        }
        CycleBoundTick tick = new CycleBoundTick(this.boundMappedToLastCycle, currentTickValue, tickLabel, anchor, rotationAnchor, angle);
        if (currentTickValue == cycleBound) {
            this.internalMarkerCycleBoundTick = tick;
        }
        result.add(tick);
        lastTick = tick;
        lastX = x;
        currentTickValue += unit;
        if (cyclenow) {
            currentTickValue = calculateLowestVisibleTickValue();
            upperValue = cycleBound;
            cycled = true;
            this.boundMappedToLastCycle = true;
        }
    }
    this.boundMappedToLastCycle = boundMapping;
    return result;
}

Example 8 with TextAnchor

use of org.jfree.chart.text.TextAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CrosshairOverlay method drawHorizontalCrosshair.

/**
 * Draws a crosshair horizontally across the plot.
 *
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param y  the y-value in Java2D space.
 * @param crosshair  the crosshair.
 */
protected void drawHorizontalCrosshair(Graphics2D g2, Rectangle2D dataArea, double y, Crosshair crosshair) {
    if (y >= dataArea.getMinY() && y <= dataArea.getMaxY()) {
        Line2D line = new Line2D.Double(dataArea.getMinX(), y, dataArea.getMaxX(), y);
        Paint savedPaint = g2.getPaint();
        Stroke savedStroke = g2.getStroke();
        g2.setPaint(crosshair.getPaint());
        g2.setStroke(crosshair.getStroke());
        g2.draw(line);
        if (crosshair.isLabelVisible()) {
            String label = crosshair.getLabelGenerator().generateLabel(crosshair);
            if (label != null && !label.isEmpty()) {
                Font savedFont = g2.getFont();
                g2.setFont(crosshair.getLabelFont());
                RectangleAnchor anchor = crosshair.getLabelAnchor();
                Point2D pt = calculateLabelPoint(line, anchor, crosshair.getLabelXOffset(), crosshair.getLabelYOffset());
                float xx = (float) pt.getX();
                float yy = (float) pt.getY();
                TextAnchor alignPt = textAlignPtForLabelAnchorH(anchor);
                Shape hotspot = TextUtils.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
                if (!dataArea.contains(hotspot.getBounds2D())) {
                    anchor = flipAnchorV(anchor);
                    pt = calculateLabelPoint(line, anchor, crosshair.getLabelXOffset(), crosshair.getLabelYOffset());
                    xx = (float) pt.getX();
                    yy = (float) pt.getY();
                    alignPt = textAlignPtForLabelAnchorH(anchor);
                    hotspot = TextUtils.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
                }
                g2.setPaint(crosshair.getLabelBackgroundPaint());
                g2.fill(hotspot);
                if (crosshair.isLabelOutlineVisible()) {
                    g2.setPaint(crosshair.getLabelOutlinePaint());
                    g2.setStroke(crosshair.getLabelOutlineStroke());
                    g2.draw(hotspot);
                }
                g2.setPaint(crosshair.getLabelPaint());
                TextUtils.drawAlignedString(label, g2, xx, yy, alignPt);
                g2.setFont(savedFont);
            }
        }
        g2.setPaint(savedPaint);
        g2.setStroke(savedStroke);
    }
}

Example 9 with TextAnchor

use of org.jfree.chart.text.TextAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class SymbolAxis method refreshTicksVertical.

/**
 * Calculates the positions of the tick labels for the axis, storing the
 * results in the tick label list (ready for drawing).
 *
 * @param g2  the graphics device.
 * @param dataArea  the area in which the plot should be drawn.
 * @param edge  the location of the axis.
 *
 * @return The ticks.
 */
@Override
protected List refreshTicksVertical(Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
    List ticks = new java.util.ArrayList();
    Font tickLabelFont = getTickLabelFont();
    g2.setFont(tickLabelFont);
    double size = getTickUnit().getSize();
    int count = calculateVisibleTickCount();
    double lowestTickValue = calculateLowestVisibleTickValue();
    double previousDrawnTickLabelPos = 0.0;
    double previousDrawnTickLabelLength = 0.0;
    if (count <= ValueAxis.MAXIMUM_TICK_COUNT) {
        for (int i = 0; i < count; i++) {
            double currentTickValue = lowestTickValue + (i * size);
            double yy = valueToJava2D(currentTickValue, dataArea, edge);
            String tickLabel;
            NumberFormat formatter = getNumberFormatOverride();
            if (formatter != null) {
                tickLabel = formatter.format(currentTickValue);
            } else {
                tickLabel = valueToString(currentTickValue);
            }
            // avoid to draw overlapping tick labels
            Rectangle2D bounds = TextUtils.getTextBounds(tickLabel, g2, g2.getFontMetrics());
            double tickLabelLength = isVerticalTickLabels() ? bounds.getWidth() : bounds.getHeight();
            boolean tickLabelsOverlapping = false;
            if (i > 0) {
                double avgTickLabelLength = (previousDrawnTickLabelLength + tickLabelLength) / 2.0;
                if (Math.abs(yy - previousDrawnTickLabelPos) < avgTickLabelLength) {
                    tickLabelsOverlapping = true;
                }
            }
            if (tickLabelsOverlapping) {
                // don't draw this tick label
                tickLabel = "";
            } else {
                // remember these values for next comparison
                previousDrawnTickLabelPos = yy;
                previousDrawnTickLabelLength = tickLabelLength;
            }
            TextAnchor anchor;
            TextAnchor rotationAnchor;
            double angle = 0.0;
            if (isVerticalTickLabels()) {
                anchor = TextAnchor.BOTTOM_CENTER;
                rotationAnchor = TextAnchor.BOTTOM_CENTER;
                if (edge == RectangleEdge.LEFT) {
                    angle = -Math.PI / 2.0;
                } else {
                    angle = Math.PI / 2.0;
                }
            } else {
                if (edge == RectangleEdge.LEFT) {
                    anchor = TextAnchor.CENTER_RIGHT;
                    rotationAnchor = TextAnchor.CENTER_RIGHT;
                } else {
                    anchor = TextAnchor.CENTER_LEFT;
                    rotationAnchor = TextAnchor.CENTER_LEFT;
                }
            }
            Tick tick = new NumberTick(currentTickValue, tickLabel, anchor, rotationAnchor, angle);
            ticks.add(tick);
        }
    }
    return ticks;
}

Example 10 with TextAnchor

use of org.jfree.chart.text.TextAnchor in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class DateTickTest method testHashCode.

/**
 * Two objects that are equal are required to return the same hashCode.
 */
@Test
public void testHashCode() {
    Date d1 = new Date(0L);
    String l1 = "Label 1";
    TextAnchor ta1 = TextAnchor.CENTER;
    DateTick t1 = new DateTick(d1, l1, ta1, ta1, Math.PI / 2.0);
    DateTick t2 = new DateTick(d1, l1, ta1, ta1, Math.PI / 2.0);
    assertEquals(t1, t2);
    int h1 = t1.hashCode();
    int h2 = t2.hashCode();
    assertEquals(h1, h2);
}