/** * A utility method for determining the height of the tallest tick label. * * @param ticks the ticks. * @param g2 the graphics device. * @param drawArea the area within which the plot and axes should be drawn. * @param vertical a flag that indicates whether or not the tick labels * are 'vertical'. * * @return The height of the tallest tick label. */ protected double findMaximumTickLabelHeight(List ticks, Graphics2D g2, Rectangle2D drawArea, boolean vertical) { RectangleInsets insets = getTickLabelInsets(); Font font = getTickLabelFont(); g2.setFont(font); double maxHeight = 0.0; if (vertical) { FontMetrics fm = g2.getFontMetrics(font); Iterator iterator = ticks.iterator(); while (iterator.hasNext()) { Tick tick = (Tick) iterator.next(); Rectangle2D labelBounds = null; if (tick instanceof LogTick) { LogTick lt = (LogTick) tick; if (lt.getAttributedLabel() != null) { labelBounds = AttrStringUtils.getTextBounds( lt.getAttributedLabel(), g2); } } else if (tick.getText() != null) { labelBounds = TextUtilities.getTextBounds( tick.getText(), g2, fm); } if (labelBounds != null && labelBounds.getWidth() + insets.getTop() + insets.getBottom() > maxHeight) { maxHeight = labelBounds.getWidth() + insets.getTop() + insets.getBottom(); } } } else { LineMetrics metrics = font.getLineMetrics("ABCxyz", g2.getFontRenderContext()); maxHeight = metrics.getHeight() + insets.getTop() + insets.getBottom(); } return maxHeight; }
/** * A utility method for determining the width of the widest tick label. * * @param ticks the ticks. * @param g2 the graphics device. * @param drawArea the area within which the plot and axes should be drawn. * @param vertical a flag that indicates whether or not the tick labels * are 'vertical'. * * @return The width of the tallest tick label. */ protected double findMaximumTickLabelWidth(List ticks, Graphics2D g2, Rectangle2D drawArea, boolean vertical) { RectangleInsets insets = getTickLabelInsets(); Font font = getTickLabelFont(); double maxWidth = 0.0; if (!vertical) { FontMetrics fm = g2.getFontMetrics(font); Iterator iterator = ticks.iterator(); while (iterator.hasNext()) { Tick tick = (Tick) iterator.next(); Rectangle2D labelBounds = null; if (tick instanceof LogTick) { LogTick lt = (LogTick) tick; if (lt.getAttributedLabel() != null) { labelBounds = AttrStringUtils.getTextBounds( lt.getAttributedLabel(), g2); } } else if (tick.getText() != null) { labelBounds = TextUtilities.getTextBounds(tick.getText(), g2, fm); } if (labelBounds != null && labelBounds.getWidth() + insets.getLeft() + insets.getRight() > maxWidth) { maxWidth = labelBounds.getWidth() + insets.getLeft() + insets.getRight(); } } } else { LineMetrics metrics = font.getLineMetrics("ABCxyz", g2.getFontRenderContext()); maxWidth = metrics.getHeight() + insets.getTop() + insets.getBottom(); } return maxWidth; }
/** * Estimates the maximum width of the tick labels, assuming the specified * tick unit is used. * <P> * Rather than computing the string bounds of every tick on the axis, we * just look at two values: the lower bound and the upper bound for the * axis. These two values will usually be representative. * * @param g2 the graphics device. * @param unit the tick unit to use for calculation. * * @return The estimated maximum width of the tick labels. * * @since 1.0.7 */ protected double estimateMaximumTickLabelWidth(Graphics2D g2, TickUnit unit) { RectangleInsets tickLabelInsets = getTickLabelInsets(); double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight(); if (isVerticalTickLabels()) { // all tick labels have the same width (equal to the height of the // font)... FontRenderContext frc = g2.getFontRenderContext(); LineMetrics lm = getTickLabelFont().getLineMetrics("0", frc); result += lm.getHeight(); } else { // look at lower and upper bounds... Range range = getRange(); double lower = range.getLowerBound(); double upper = range.getUpperBound(); AttributedString lowerStr = createTickLabel(lower); AttributedString upperStr = createTickLabel(upper); double w1 = AttrStringUtils.getTextBounds(lowerStr, g2).getWidth(); double w2 = AttrStringUtils.getTextBounds(upperStr, g2).getWidth(); result += Math.max(w1, w2); } return result; }
/** * A utility method for determining the height of the tallest tick label. * * @param ticks the ticks. * @param g2 the graphics device. * @param drawArea the area within which the plot and axes should be drawn. * @param vertical a flag that indicates whether or not the tick labels * are 'vertical'. * * @return The height of the tallest tick label. */ protected double findMaximumTickLabelHeight(List ticks, Graphics2D g2, Rectangle2D drawArea, boolean vertical) { RectangleInsets insets = getTickLabelInsets(); Font font = getTickLabelFont(); g2.setFont(font); double maxHeight = 0.0; if (vertical) { FontMetrics fm = g2.getFontMetrics(font); Iterator iterator = ticks.iterator(); while (iterator.hasNext()) { Tick tick = (Tick) iterator.next(); Rectangle2D labelBounds = null; if (tick instanceof LogTick) { LogTick lt = (LogTick) tick; if (lt.getAttributedLabel() != null) { labelBounds = AttrStringUtils.getTextBounds( lt.getAttributedLabel(), g2); } } else if (tick.getText() != null) { labelBounds = TextUtils.getTextBounds( tick.getText(), g2, fm); } if (labelBounds != null && labelBounds.getWidth() + insets.getTop() + insets.getBottom() > maxHeight) { maxHeight = labelBounds.getWidth() + insets.getTop() + insets.getBottom(); } } } else { LineMetrics metrics = font.getLineMetrics("ABCxyz", g2.getFontRenderContext()); maxHeight = metrics.getHeight() + insets.getTop() + insets.getBottom(); } return maxHeight; }
/** * A utility method for determining the width of the widest tick label. * * @param ticks the ticks. * @param g2 the graphics device. * @param drawArea the area within which the plot and axes should be drawn. * @param vertical a flag that indicates whether or not the tick labels * are 'vertical'. * * @return The width of the tallest tick label. */ protected double findMaximumTickLabelWidth(List ticks, Graphics2D g2, Rectangle2D drawArea, boolean vertical) { RectangleInsets insets = getTickLabelInsets(); Font font = getTickLabelFont(); double maxWidth = 0.0; if (!vertical) { FontMetrics fm = g2.getFontMetrics(font); Iterator iterator = ticks.iterator(); while (iterator.hasNext()) { Tick tick = (Tick) iterator.next(); Rectangle2D labelBounds = null; if (tick instanceof LogTick) { LogTick lt = (LogTick) tick; if (lt.getAttributedLabel() != null) { labelBounds = AttrStringUtils.getTextBounds( lt.getAttributedLabel(), g2); } } else if (tick.getText() != null) { labelBounds = TextUtils.getTextBounds(tick.getText(), g2, fm); } if (labelBounds != null && labelBounds.getWidth() + insets.getLeft() + insets.getRight() > maxWidth) { maxWidth = labelBounds.getWidth() + insets.getLeft() + insets.getRight(); } } } else { LineMetrics metrics = font.getLineMetrics("ABCxyz", g2.getFontRenderContext()); maxWidth = metrics.getHeight() + insets.getTop() + insets.getBottom(); } return maxWidth; }