Examples with TextAnchor org.jfree.ui.TextAnchor used on opensource projects

Example 1 with TextAnchor

use of org.jfree.ui.TextAnchor in project SIMVA-SoS by SESoS.

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.
 *
 * @since 1.0.16
 */
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...
    ParamChecks.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 2 with TextAnchor

use of org.jfree.ui.TextAnchor in project SIMVA-SoS by SESoS.

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...
    ParamChecks.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 = TextUtilities.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);
        TextUtilities.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);
        TextUtilities.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);
        TextUtilities.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);
        TextUtilities.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 3 with TextAnchor

use of org.jfree.ui.TextAnchor in project SIMVA-SoS by SESoS.

the class CrosshairOverlay method drawVerticalCrosshair.

/**
 * Draws a crosshair vertically on the plot.
 *
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param x  the x-value in Java2D space.
 * @param crosshair  the crosshair.
 */
protected void drawVerticalCrosshair(Graphics2D g2, Rectangle2D dataArea, double x, Crosshair crosshair) {
    if (x >= dataArea.getMinX() && x <= dataArea.getMaxX()) {
        Line2D line = new Line2D.Double(x, dataArea.getMinY(), x, dataArea.getMaxY());
        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);
            RectangleAnchor anchor = crosshair.getLabelAnchor();
            Point2D pt = calculateLabelPoint(line, anchor, 5, 5);
            float xx = (float) pt.getX();
            float yy = (float) pt.getY();
            TextAnchor alignPt = textAlignPtForLabelAnchorV(anchor);
            Shape hotspot = TextUtilities.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            if (!dataArea.contains(hotspot.getBounds2D())) {
                anchor = flipAnchorH(anchor);
                pt = calculateLabelPoint(line, anchor, 5, 5);
                xx = (float) pt.getX();
                yy = (float) pt.getY();
                alignPt = textAlignPtForLabelAnchorV(anchor);
                hotspot = TextUtilities.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            }
            g2.setPaint(crosshair.getLabelBackgroundPaint());
            g2.fill(hotspot);
            g2.setPaint(crosshair.getLabelOutlinePaint());
            g2.draw(hotspot);
            TextUtilities.drawAlignedString(label, g2, xx, yy, alignPt);
        }
        g2.setPaint(savedPaint);
        g2.setStroke(savedStroke);
    }
}

Example 4 with TextAnchor

use of org.jfree.ui.TextAnchor in project SIMVA-SoS by SESoS.

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);
            RectangleAnchor anchor = crosshair.getLabelAnchor();
            Point2D pt = calculateLabelPoint(line, anchor, 5, 5);
            float xx = (float) pt.getX();
            float yy = (float) pt.getY();
            TextAnchor alignPt = textAlignPtForLabelAnchorH(anchor);
            Shape hotspot = TextUtilities.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            if (!dataArea.contains(hotspot.getBounds2D())) {
                anchor = flipAnchorV(anchor);
                pt = calculateLabelPoint(line, anchor, 5, 5);
                xx = (float) pt.getX();
                yy = (float) pt.getY();
                alignPt = textAlignPtForLabelAnchorH(anchor);
                hotspot = TextUtilities.calculateRotatedStringBounds(label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            }
            g2.setPaint(crosshair.getLabelBackgroundPaint());
            g2.fill(hotspot);
            g2.setPaint(crosshair.getLabelOutlinePaint());
            g2.draw(hotspot);
            TextUtilities.drawAlignedString(label, g2, xx, yy, alignPt);
        }
        g2.setPaint(savedPaint);
        g2.setStroke(savedStroke);
    }
}

Example 5 with TextAnchor

use of org.jfree.ui.TextAnchor in project SIMVA-SoS by SESoS.

the class LogarithmicAxis 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 A list of ticks.
 */
@Override
protected List refreshTicksVertical(Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
    List ticks = new java.util.ArrayList();
    // get lower bound value:
    double lowerBoundVal = getRange().getLowerBound();
    // then set to a small value (don't allow <= 0):
    if (this.smallLogFlag && lowerBoundVal < SMALL_LOG_VALUE) {
        lowerBoundVal = SMALL_LOG_VALUE;
    }
    // get upper bound value
    double upperBoundVal = getRange().getUpperBound();
    // get log10 version of lower bound and round to integer:
    int iBegCount = (int) Math.rint(switchedLog10(lowerBoundVal));
    // get log10 version of upper bound and round to integer:
    int iEndCount = (int) Math.rint(switchedLog10(upperBoundVal));
    if (iBegCount == iEndCount && iBegCount > 0 && Math.pow(10, iBegCount) > lowerBoundVal) {
        // only 1 power of 10 value, it's > 0 and its resulting
        // tick value will be larger than lower bound of data
        // decrement to generate more ticks
        --iBegCount;
    }
    double tickVal;
    String tickLabel;
    boolean zeroTickFlag = false;
    for (int i = iBegCount; i <= iEndCount; i++) {
        // for each tick with a label to be displayed
        int jEndCount = 10;
        if (i == iEndCount) {
            jEndCount = 1;
        }
        for (int j = 0; j < jEndCount; j++) {
            // for each tick to be displayed
            if (this.smallLogFlag) {
                // small log values in use
                tickVal = Math.pow(10, i) + (Math.pow(10, i) * j);
                if (j == 0) {
                    // first tick of group; create label text
                    if (this.log10TickLabelsFlag) {
                        // if flag then
                        // create "log10"-type label
                        tickLabel = "10^" + i;
                    } else {
                        // not "log10"-type label
                        if (this.expTickLabelsFlag) {
                            // if flag then
                            // create "1e#"-type label
                            tickLabel = "1e" + i;
                        } else {
                            // not "1e#"-type label
                            if (i >= 0) {
                                // if positive exponent then
                                // make integer
                                NumberFormat format = getNumberFormatOverride();
                                if (format != null) {
                                    tickLabel = format.format(tickVal);
                                } else {
                                    tickLabel = Long.toString((long) Math.rint(tickVal));
                                }
                            } else {
                                // negative exponent; create fractional value
                                // set exact number of fractional digits to
                                // be shown:
                                this.numberFormatterObj.setMaximumFractionDigits(-i);
                                // create tick label:
                                tickLabel = this.numberFormatterObj.format(tickVal);
                            }
                        }
                    }
                } else {
                    // not first tick to be displayed
                    // no tick label
                    tickLabel = "";
                }
            } else {
                // not small log values in use; allow for values <= 0
                if (zeroTickFlag) {
                    // if did zero tick last iter then
                    --j;
                }
                // decrement to do 1.0 tick now
                tickVal = (i >= 0) ? Math.pow(10, i) + (Math.pow(10, i) * j) : -(Math.pow(10, -i) - (Math.pow(10, -i - 1) * j));
                if (j == 0) {
                    // first tick of group
                    if (!zeroTickFlag) {
                        // iteration
                        if (i > iBegCount && i < iEndCount && Math.abs(tickVal - 1.0) < 0.0001) {
                            // not first or last tick on graph and value
                            // is 1.0
                            // change value to 0.0
                            tickVal = 0.0;
                            // indicate zero tick
                            zeroTickFlag = true;
                            // create label for tick
                            tickLabel = "0";
                        } else {
                            // create label for tick:
                            if (this.log10TickLabelsFlag) {
                                // create "log10"-type label
                                tickLabel = (((i < 0) ? "-" : "") + "10^" + Math.abs(i));
                            } else {
                                if (this.expTickLabelsFlag) {
                                    // create "1e#"-type label
                                    tickLabel = (((i < 0) ? "-" : "") + "1e" + Math.abs(i));
                                } else {
                                    NumberFormat format = getNumberFormatOverride();
                                    if (format != null) {
                                        tickLabel = format.format(tickVal);
                                    } else {
                                        tickLabel = Long.toString((long) Math.rint(tickVal));
                                    }
                                }
                            }
                        }
                    } else {
                        // did zero tick last iteration
                        // no label
                        tickLabel = "";
                        // clear flag
                        zeroTickFlag = false;
                    }
                } else {
                    // not first tick of group
                    // no label
                    tickLabel = "";
                    // make sure flag cleared
                    zeroTickFlag = false;
                }
            }
            if (tickVal > upperBoundVal) {
                // if past highest data value then exit method
                return ticks;
            }
            if (tickVal >= lowerBoundVal - SMALL_LOG_VALUE) {
                // tick value not below lowest data value
                TextAnchor anchor;
                TextAnchor rotationAnchor;
                double angle = 0.0;
                if (isVerticalTickLabels()) {
                    if (edge == RectangleEdge.LEFT) {
                        anchor = TextAnchor.BOTTOM_CENTER;
                        rotationAnchor = TextAnchor.BOTTOM_CENTER;
                        angle = -Math.PI / 2.0;
                    } else {
                        anchor = TextAnchor.BOTTOM_CENTER;
                        rotationAnchor = TextAnchor.BOTTOM_CENTER;
                        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;
                    }
                }
                // create tick object and add to list:
                ticks.add(new NumberTick(new Double(tickVal), tickLabel, anchor, rotationAnchor, angle));
            }
        }
    }
    return ticks;
}