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

Example 16 with TextAnchor

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

the class PeriodAxis method drawTickLabels.

/**
 * Draws the tick labels for one "band" of time periods.
 *
 * @param band  the band index (zero-based).
 * @param g2  the graphics device.
 * @param state  the axis state.
 * @param dataArea  the data area.
 * @param edge  the edge where the axis is located.
 *
 * @return The updated axis state.
 */
protected AxisState drawTickLabels(int band, Graphics2D g2, AxisState state, Rectangle2D dataArea, RectangleEdge edge) {
    // work out the initial gap
    double delta1 = 0.0;
    FontMetrics fm = g2.getFontMetrics(this.labelInfo[band].getLabelFont());
    if (edge == RectangleEdge.BOTTOM) {
        delta1 = this.labelInfo[band].getPadding().calculateTopOutset(fm.getHeight());
    } else if (edge == RectangleEdge.TOP) {
        delta1 = this.labelInfo[band].getPadding().calculateBottomOutset(fm.getHeight());
    }
    state.moveCursor(delta1, edge);
    long axisMin = this.first.getFirstMillisecond();
    long axisMax = this.last.getLastMillisecond();
    g2.setFont(this.labelInfo[band].getLabelFont());
    g2.setPaint(this.labelInfo[band].getLabelPaint());
    // work out the number of periods to skip for labelling
    RegularTimePeriod p1 = this.labelInfo[band].createInstance(new Date(axisMin), this.timeZone, this.locale);
    RegularTimePeriod p2 = this.labelInfo[band].createInstance(new Date(axisMax), this.timeZone, this.locale);
    DateFormat df = this.labelInfo[band].getDateFormat();
    df.setTimeZone(this.timeZone);
    String label1 = df.format(new Date(p1.getMiddleMillisecond()));
    String label2 = df.format(new Date(p2.getMiddleMillisecond()));
    Rectangle2D b1 = TextUtils.getTextBounds(label1, g2, g2.getFontMetrics());
    Rectangle2D b2 = TextUtils.getTextBounds(label2, g2, g2.getFontMetrics());
    double w = Math.max(b1.getWidth(), b2.getWidth());
    long ww = Math.round(java2DToValue(dataArea.getX() + w + 5.0, dataArea, edge));
    if (isInverted()) {
        ww = axisMax - ww;
    } else {
        ww = ww - axisMin;
    }
    long length = p1.getLastMillisecond() - p1.getFirstMillisecond();
    int periods = (int) (ww / length) + 1;
    RegularTimePeriod p = this.labelInfo[band].createInstance(new Date(axisMin), this.timeZone, this.locale);
    Rectangle2D b = null;
    long lastXX = 0L;
    float y = (float) (state.getCursor());
    TextAnchor anchor = TextAnchor.TOP_CENTER;
    float yDelta = (float) b1.getHeight();
    if (edge == RectangleEdge.TOP) {
        anchor = TextAnchor.BOTTOM_CENTER;
        yDelta = -yDelta;
    }
    while (p.getFirstMillisecond() <= axisMax) {
        float x = (float) valueToJava2D(p.getMiddleMillisecond(), dataArea, edge);
        String label = df.format(new Date(p.getMiddleMillisecond()));
        long first = p.getFirstMillisecond();
        long last = p.getLastMillisecond();
        if (last > axisMax) {
            // this is the last period, but it is only partially visible
            // so check that the label will fit before displaying it...
            Rectangle2D bb = TextUtils.getTextBounds(label, g2, g2.getFontMetrics());
            if ((x + bb.getWidth() / 2) > dataArea.getMaxX()) {
                float xstart = (float) valueToJava2D(Math.max(first, axisMin), dataArea, edge);
                if (bb.getWidth() < (dataArea.getMaxX() - xstart)) {
                    x = ((float) dataArea.getMaxX() + xstart) / 2.0f;
                } else {
                    label = null;
                }
            }
        }
        if (first < axisMin) {
            // this is the first period, but it is only partially visible
            // so check that the label will fit before displaying it...
            Rectangle2D bb = TextUtils.getTextBounds(label, g2, g2.getFontMetrics());
            if ((x - bb.getWidth() / 2) < dataArea.getX()) {
                float xlast = (float) valueToJava2D(Math.min(last, axisMax), dataArea, edge);
                if (bb.getWidth() < (xlast - dataArea.getX())) {
                    x = (xlast + (float) dataArea.getX()) / 2.0f;
                } else {
                    label = null;
                }
            }
        }
        if (label != null) {
            g2.setPaint(this.labelInfo[band].getLabelPaint());
            b = TextUtils.drawAlignedString(label, g2, x, y, anchor);
        }
        if (lastXX > 0L) {
            if (this.labelInfo[band].getDrawDividers()) {
                long nextXX = p.getFirstMillisecond();
                long mid = (lastXX + nextXX) / 2;
                float mid2d = (float) valueToJava2D(mid, dataArea, edge);
                g2.setStroke(this.labelInfo[band].getDividerStroke());
                g2.setPaint(this.labelInfo[band].getDividerPaint());
                g2.draw(new Line2D.Float(mid2d, y, mid2d, y + yDelta));
            }
        }
        lastXX = last;
        for (int i = 0; i < periods; i++) {
            p = p.next();
        }
        p.peg(this.calendar);
    }
    double used = 0.0;
    if (b != null) {
        used = b.getHeight();
        // work out the trailing gap
        if (edge == RectangleEdge.BOTTOM) {
            used += this.labelInfo[band].getPadding().calculateBottomOutset(fm.getHeight());
        } else if (edge == RectangleEdge.TOP) {
            used += this.labelInfo[band].getPadding().calculateTopOutset(fm.getHeight());
        }
    }
    state.moveCursor(used, edge);
    return state;
}

Example 17 with TextAnchor

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

the class SymbolAxis method refreshTicksHorizontal.

/**
 * 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 data should be drawn.
 * @param edge  the location of the axis.
 *
 * @return The ticks.
 */
@Override
protected List refreshTicksHorizontal(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 xx = 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.getHeight() : bounds.getWidth();
            boolean tickLabelsOverlapping = false;
            if (i > 0) {
                double avgTickLabelLength = (previousDrawnTickLabelLength + tickLabelLength) / 2.0;
                if (Math.abs(xx - previousDrawnTickLabelPos) < avgTickLabelLength) {
                    tickLabelsOverlapping = true;
                }
            }
            if (tickLabelsOverlapping) {
                // don't draw this tick label
                tickLabel = "";
            } else {
                // remember these values for next comparison
                previousDrawnTickLabelPos = xx;
                previousDrawnTickLabelLength = tickLabelLength;
            }
            TextAnchor anchor;
            TextAnchor rotationAnchor;
            double angle = 0.0;
            if (isVerticalTickLabels()) {
                anchor = TextAnchor.CENTER_RIGHT;
                rotationAnchor = TextAnchor.CENTER_RIGHT;
                if (edge == RectangleEdge.TOP) {
                    angle = Math.PI / 2.0;
                } else {
                    angle = -Math.PI / 2.0;
                }
            } else {
                if (edge == RectangleEdge.TOP) {
                    anchor = TextAnchor.BOTTOM_CENTER;
                    rotationAnchor = TextAnchor.BOTTOM_CENTER;
                } else {
                    anchor = TextAnchor.TOP_CENTER;
                    rotationAnchor = TextAnchor.TOP_CENTER;
                }
            }
            Tick tick = new NumberTick(currentTickValue, tickLabel, anchor, rotationAnchor, angle);
            ticks.add(tick);
        }
    }
    return ticks;
}

Example 18 with TextAnchor

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

the class Axis method drawLabel.

/**
 * Draws the axis label.
 *
 * @param label  the label text.
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param dataArea  the area inside the axes.
 * @param edge  the location of the axis.
 * @param state  the axis state ({@code null} not permitted).
 *
 * @return Information about the axis.
 */
protected AxisState drawLabel(String label, Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state) {
    // it is unlikely that 'state' will be null, but check anyway...
    Args.nullNotPermitted(state, "state");
    if ((label == null) || (label.equals(""))) {
        return state;
    }
    Font font = getLabelFont();
    RectangleInsets insets = getLabelInsets();
    g2.setFont(font);
    g2.setPaint(getLabelPaint());
    FontMetrics fm = g2.getFontMetrics();
    Rectangle2D labelBounds = TextUtils.getTextBounds(label, g2, fm);
    if (edge == RectangleEdge.TOP) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle(), labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = labelLocationX(this.labelLocation, dataArea);
        double labely = state.getCursor() - insets.getBottom() - labelBounds.getHeight() / 2.0;
        TextAnchor anchor = labelAnchorH(this.labelLocation);
        TextUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle(), TextAnchor.CENTER);
        state.cursorUp(insets.getTop() + labelBounds.getHeight() + insets.getBottom());
    } else if (edge == RectangleEdge.BOTTOM) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle(), labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = labelLocationX(this.labelLocation, dataArea);
        double labely = state.getCursor() + insets.getTop() + labelBounds.getHeight() / 2.0;
        TextAnchor anchor = labelAnchorH(this.labelLocation);
        TextUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle(), TextAnchor.CENTER);
        state.cursorDown(insets.getTop() + labelBounds.getHeight() + insets.getBottom());
    } else if (edge == RectangleEdge.LEFT) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle() - Math.PI / 2.0, labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = state.getCursor() - insets.getRight() - labelBounds.getWidth() / 2.0;
        double labely = labelLocationY(this.labelLocation, dataArea);
        TextAnchor anchor = labelAnchorV(this.labelLocation);
        TextUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle() - Math.PI / 2.0, anchor);
        state.cursorLeft(insets.getLeft() + labelBounds.getWidth() + insets.getRight());
    } else if (edge == RectangleEdge.RIGHT) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle() + Math.PI / 2.0, labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = state.getCursor() + insets.getLeft() + labelBounds.getWidth() / 2.0;
        double labely = labelLocationY(this.labelLocation, dataArea);
        TextAnchor anchor = labelAnchorV(this.labelLocation);
        TextUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle() + Math.PI / 2.0, anchor);
        state.cursorRight(insets.getLeft() + labelBounds.getWidth() + insets.getRight());
    }
    return state;
}

Example 19 with TextAnchor

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

the class Axis method drawAttributedLabel.

/**
 * Draws the axis label.
 *
 * @param label  the label text.
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param dataArea  the area inside the axes.
 * @param edge  the location of the axis.
 * @param state  the axis state ({@code null} not permitted).
 *
 * @return Information about the axis.
 */
protected AxisState drawAttributedLabel(AttributedString label, Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state) {
    // it is unlikely that 'state' will be null, but check anyway...
    Args.nullNotPermitted(state, "state");
    if (label == null) {
        return state;
    }
    RectangleInsets insets = getLabelInsets();
    g2.setFont(getLabelFont());
    g2.setPaint(getLabelPaint());
    TextLayout layout = new TextLayout(this.attributedLabel.getIterator(), g2.getFontRenderContext());
    Rectangle2D labelBounds = layout.getBounds();
    if (edge == RectangleEdge.TOP) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle(), labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = labelLocationX(this.labelLocation, dataArea);
        double labely = state.getCursor() - insets.getBottom() - labelBounds.getHeight() / 2.0;
        TextAnchor anchor = labelAnchorH(this.labelLocation);
        AttrStringUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle(), TextAnchor.CENTER);
        state.cursorUp(insets.getTop() + labelBounds.getHeight() + insets.getBottom());
    } else if (edge == RectangleEdge.BOTTOM) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle(), labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = labelLocationX(this.labelLocation, dataArea);
        double labely = state.getCursor() + insets.getTop() + labelBounds.getHeight() / 2.0;
        TextAnchor anchor = labelAnchorH(this.labelLocation);
        AttrStringUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle(), TextAnchor.CENTER);
        state.cursorDown(insets.getTop() + labelBounds.getHeight() + insets.getBottom());
    } else if (edge == RectangleEdge.LEFT) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle() - Math.PI / 2.0, labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = state.getCursor() - insets.getRight() - labelBounds.getWidth() / 2.0;
        double labely = labelLocationY(this.labelLocation, dataArea);
        TextAnchor anchor = labelAnchorV(this.labelLocation);
        AttrStringUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle() - Math.PI / 2.0, anchor);
        state.cursorLeft(insets.getLeft() + labelBounds.getWidth() + insets.getRight());
    } else if (edge == RectangleEdge.RIGHT) {
        AffineTransform t = AffineTransform.getRotateInstance(getLabelAngle() + Math.PI / 2.0, labelBounds.getCenterX(), labelBounds.getCenterY());
        Shape rotatedLabelBounds = t.createTransformedShape(labelBounds);
        labelBounds = rotatedLabelBounds.getBounds2D();
        double labelx = state.getCursor() + insets.getLeft() + labelBounds.getWidth() / 2.0;
        double labely = labelLocationY(this.labelLocation, dataArea);
        TextAnchor anchor = labelAnchorV(this.labelLocation);
        AttrStringUtils.drawRotatedString(label, g2, (float) labelx, (float) labely, anchor, getLabelAngle() + Math.PI / 2.0, anchor);
        state.cursorRight(insets.getLeft() + labelBounds.getWidth() + insets.getRight());
    }
    return state;
}

Example 20 with TextAnchor

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

the class DateTickTest method testEquals.

/**
 * Confirm that the equals method can distinguish all the required fields.
 */
@Test
public void testEquals() {
    Date d1 = new Date(0L);
    Date d2 = new Date(1L);
    String l1 = "Label 1";
    String l2 = "Label 2";
    TextAnchor ta1 = TextAnchor.CENTER;
    TextAnchor ta2 = TextAnchor.BASELINE_LEFT;
    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);
    t1 = new DateTick(d2, l1, ta1, ta1, Math.PI / 2.0);
    assertNotEquals(t1, t2);
    t2 = new DateTick(d2, l1, ta1, ta1, Math.PI / 2.0);
    assertEquals(t1, t2);
    t1 = new DateTick(d1, l2, ta1, ta1, Math.PI / 2.0);
    assertNotEquals(t1, t2);
    t2 = new DateTick(d1, l2, ta1, ta1, Math.PI / 2.0);
    assertEquals(t1, t2);
    t1 = new DateTick(d1, l1, ta2, ta1, Math.PI / 2.0);
    assertNotEquals(t1, t2);
    t2 = new DateTick(d1, l1, ta2, ta1, Math.PI / 2.0);
    assertEquals(t1, t2);
    t1 = new DateTick(d1, l1, ta1, ta2, Math.PI / 2.0);
    assertNotEquals(t1, t2);
    t2 = new DateTick(d1, l1, ta1, ta2, Math.PI / 2.0);
    assertEquals(t1, t2);
    t1 = new DateTick(d1, l1, ta1, ta1, Math.PI / 3.0);
    assertNotEquals(t1, t2);
    t2 = new DateTick(d1, l1, ta1, ta1, Math.PI / 3.0);
    assertEquals(t1, t2);
    t1 = new DateTick(TickType.MINOR, d1, l1, ta1, ta1, Math.PI);
    t2 = new DateTick(TickType.MAJOR, d1, l1, ta1, ta1, Math.PI);
    assertNotEquals(t1, t2);
    t2 = new DateTick(TickType.MINOR, d1, l1, ta1, ta1, Math.PI);
    assertEquals(t1, t2);
}