java.awt.font.LineMetrics Java Examples
The following examples show how to use
java.awt.font.LineMetrics.
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Example #1
Source File: StandardGlyphVector.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #2
Source File: MarkerAxisBand.java From buffer_bci with GNU General Public License v3.0 | 6 votes |
/** * A utility method that draws a string inside a rectangle. * * @param g2 the graphics device. * @param bounds the rectangle. * @param font the font. * @param text the text. */ private void drawStringInRect(Graphics2D g2, Rectangle2D bounds, Font font, String text) { g2.setFont(font); FontMetrics fm = g2.getFontMetrics(font); Rectangle2D r = TextUtilities.getTextBounds(text, g2, fm); double x = bounds.getX(); if (r.getWidth() < bounds.getWidth()) { x = x + (bounds.getWidth() - r.getWidth()) / 2; } LineMetrics metrics = font.getLineMetrics( text, g2.getFontRenderContext() ); g2.drawString( text, (float) x, (float) (bounds.getMaxY() - this.bottomInnerGap - metrics.getDescent()) ); }
Example #3
Source File: StandardGlyphVector.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #4
Source File: UnderlineTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
public void paintComponent(Graphics g) { g.setColor(Color.WHITE); g.fillRect(0, 0, fpd.width, fpd.height); g.setColor(Color.RED); FontRenderContext frc = ((Graphics2D)g).getFontRenderContext(); LineMetrics lm = f.getLineMetrics(fps, frc); int h = (int)(fpd.height - 20 - lm.getAscent()); g.drawLine(20, h, fpd.width - 20, h); h = fpd.height - 20; g.drawLine(20, h, fpd.width - 20, h); h = (int)(fpd.height - 20 + lm.getDescent()); g.drawLine(20, h, fpd.width - 20, h); g.setColor(Color.BLACK); g.setFont(f); g.drawString(fps, 50, fpd.height - 20); }
Example #5
Source File: StandardGlyphVector.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #6
Source File: StandardGlyphVector.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #7
Source File: MarkerAxisBand.java From SIMVA-SoS with Apache License 2.0 | 6 votes |
/** * A utility method that draws a string inside a rectangle. * * @param g2 the graphics device. * @param bounds the rectangle. * @param font the font. * @param text the text. */ private void drawStringInRect(Graphics2D g2, Rectangle2D bounds, Font font, String text) { g2.setFont(font); FontMetrics fm = g2.getFontMetrics(font); Rectangle2D r = TextUtilities.getTextBounds(text, g2, fm); double x = bounds.getX(); if (r.getWidth() < bounds.getWidth()) { x = x + (bounds.getWidth() - r.getWidth()) / 2; } LineMetrics metrics = font.getLineMetrics( text, g2.getFontRenderContext() ); g2.drawString( text, (float) x, (float) (bounds.getMaxY() - this.bottomInnerGap - metrics.getDescent()) ); }
Example #8
Source File: MarkerAxisBand.java From ccu-historian with GNU General Public License v3.0 | 6 votes |
/** * A utility method that draws a string inside a rectangle. * * @param g2 the graphics device. * @param bounds the rectangle. * @param font the font. * @param text the text. */ private void drawStringInRect(Graphics2D g2, Rectangle2D bounds, Font font, String text) { g2.setFont(font); FontMetrics fm = g2.getFontMetrics(font); Rectangle2D r = TextUtilities.getTextBounds(text, g2, fm); double x = bounds.getX(); if (r.getWidth() < bounds.getWidth()) { x = x + (bounds.getWidth() - r.getWidth()) / 2; } LineMetrics metrics = font.getLineMetrics( text, g2.getFontRenderContext() ); g2.drawString( text, (float) x, (float) (bounds.getMaxY() - this.bottomInnerGap - metrics.getDescent()) ); }
Example #9
Source File: StandardGlyphVector.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #10
Source File: TextUtilities.java From astor with GNU General Public License v2.0 | 6 votes |
/** * Returns the bounds for the specified text. * * @param text the text (<code>null</code> permitted). * @param g2 the graphics context (not <code>null</code>). * @param fm the font metrics (not <code>null</code>). * * @return The text bounds (<code>null</code> if the <code>text</code> * argument is <code>null</code>). */ public static Rectangle2D getTextBounds(String text, Graphics2D g2, FontMetrics fm) { final Rectangle2D bounds; if (TextUtilities.useFontMetricsGetStringBounds) { bounds = fm.getStringBounds(text, g2); // getStringBounds() can return incorrect height for some Unicode // characters...see bug parade 6183356, let's replace it with // something correct LineMetrics lm = fm.getFont().getLineMetrics(text, g2.getFontRenderContext()); bounds.setRect(bounds.getX(), bounds.getY(), bounds.getWidth(), lm.getHeight()); } else { double width = fm.stringWidth(text); double height = fm.getHeight(); bounds = new Rectangle2D.Double(0.0, -fm.getAscent(), width, height); } return bounds; }
Example #11
Source File: StandardGlyphVector.java From Bytecoder with Apache License 2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #12
Source File: StandardGlyphVector.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
public Rectangle2D getLogicalBounds() { setFRCTX(); initPositions(); LineMetrics lm = font.getLineMetrics("", frc); float minX, minY, maxX, maxY; // horiz only for now... minX = 0; minY = -lm.getAscent(); maxX = 0; maxY = lm.getDescent() + lm.getLeading(); if (glyphs.length > 0) { maxX = positions[positions.length - 2]; } return new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY); }
Example #13
Source File: ValueAxis.java From openstock with GNU General Public License v3.0 | 5 votes |
/** * 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; }
Example #14
Source File: SpiderWebPlot.java From openstock with GNU General Public License v3.0 | 5 votes |
/** * Draws the label for one axis. * * @param g2 the graphics device. * @param plotArea the plot area * @param value the value of the label (ignored). * @param cat the category (zero-based index). * @param startAngle the starting angle. * @param extent the extent of the arc. */ protected void drawLabel(Graphics2D g2, Rectangle2D plotArea, double value, int cat, double startAngle, double extent) { FontRenderContext frc = g2.getFontRenderContext(); String label; if (this.dataExtractOrder == TableOrder.BY_ROW) { // if series are in rows, then the categories are the column keys label = this.labelGenerator.generateColumnLabel(this.dataset, cat); } else { // if series are in columns, then the categories are the row keys label = this.labelGenerator.generateRowLabel(this.dataset, cat); } Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc); LineMetrics lm = getLabelFont().getLineMetrics(label, frc); double ascent = lm.getAscent(); Point2D labelLocation = calculateLabelLocation(labelBounds, ascent, plotArea, startAngle); Composite saveComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); g2.setPaint(getLabelPaint()); g2.setFont(getLabelFont()); g2.drawString(label, (float) labelLocation.getX(), (float) labelLocation.getY()); g2.setComposite(saveComposite); }
Example #15
Source File: SpiderWebPlot.java From astor with GNU General Public License v2.0 | 5 votes |
/** * Draws the label for one axis. * * @param g2 the graphics device. * @param plotArea the plot area * @param value the value of the label (ignored). * @param cat the category (zero-based index). * @param startAngle the starting angle. * @param extent the extent of the arc. */ protected void drawLabel(Graphics2D g2, Rectangle2D plotArea, double value, int cat, double startAngle, double extent) { FontRenderContext frc = g2.getFontRenderContext(); String label = null; if (this.dataExtractOrder == TableOrder.BY_ROW) { // if series are in rows, then the categories are the column keys label = this.labelGenerator.generateColumnLabel(this.dataset, cat); } else { // if series are in columns, then the categories are the row keys label = this.labelGenerator.generateRowLabel(this.dataset, cat); } Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc); LineMetrics lm = getLabelFont().getLineMetrics(label, frc); double ascent = lm.getAscent(); Point2D labelLocation = calculateLabelLocation(labelBounds, ascent, plotArea, startAngle); Composite saveComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); g2.setPaint(getLabelPaint()); g2.setFont(getLabelFont()); g2.drawString(label, (float) labelLocation.getX(), (float) labelLocation.getY()); g2.setComposite(saveComposite); }
Example #16
Source File: MarkerAxisBand.java From ECG-Viewer with GNU General Public License v2.0 | 5 votes |
/** * Returns the height of the band. * * @param g2 the graphics device. * * @return The height of the band. */ public double getHeight(Graphics2D g2) { double result = 0.0; if (this.markers.size() > 0) { LineMetrics metrics = this.font.getLineMetrics( "123g", g2.getFontRenderContext() ); result = this.topOuterGap + this.topInnerGap + metrics.getHeight() + this.bottomInnerGap + this.bottomOuterGap; } return result; }
Example #17
Source File: LogAxis.java From astor with GNU General Public License v2.0 | 5 votes |
/** * 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... FontMetrics fm = g2.getFontMetrics(getTickLabelFont()); Range range = getRange(); double lower = range.getLowerBound(); double upper = range.getUpperBound(); String lowerStr = ""; String upperStr = ""; NumberFormat formatter = getNumberFormatOverride(); if (formatter != null) { lowerStr = formatter.format(lower); upperStr = formatter.format(upper); } else { lowerStr = unit.valueToString(lower); upperStr = unit.valueToString(upper); } double w1 = fm.stringWidth(lowerStr); double w2 = fm.stringWidth(upperStr); result += Math.max(w1, w2); } return result; }
Example #18
Source File: MarkerAxisBand.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
/** * Returns the height of the band. * * @param g2 the graphics device. * * @return The height of the band. */ public double getHeight(Graphics2D g2) { double result = 0.0; if (this.markers.size() > 0) { LineMetrics metrics = this.font.getLineMetrics( "123g", g2.getFontRenderContext() ); result = this.topOuterGap + this.topInnerGap + metrics.getHeight() + this.bottomInnerGap + this.bottomOuterGap; } return result; }
Example #19
Source File: MarkerAxisBand.java From astor with GNU General Public License v2.0 | 5 votes |
/** * Returns the height of the band. * * @param g2 the graphics device. * * @return The height of the band. */ public double getHeight(Graphics2D g2) { double result = 0.0; if (this.markers.size() > 0) { LineMetrics metrics = this.font.getLineMetrics( "123g", g2.getFontRenderContext() ); result = this.topOuterGap + this.topInnerGap + metrics.getHeight() + this.bottomInnerGap + this.bottomOuterGap; } return result; }
Example #20
Source File: NumberAxis.java From SIMVA-SoS with Apache License 2.0 | 5 votes |
/** * 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. */ 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... FontMetrics fm = g2.getFontMetrics(getTickLabelFont()); Range range = getRange(); double lower = range.getLowerBound(); double upper = range.getUpperBound(); String lowerStr, upperStr; NumberFormat formatter = getNumberFormatOverride(); if (formatter != null) { lowerStr = formatter.format(lower); upperStr = formatter.format(upper); } else { lowerStr = unit.valueToString(lower); upperStr = unit.valueToString(upper); } double w1 = fm.stringWidth(lowerStr); double w2 = fm.stringWidth(upperStr); result += Math.max(w1, w2); } return result; }
Example #21
Source File: DateAxis.java From opensim-gui with Apache License 2.0 | 5 votes |
/** * 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. */ private double estimateMaximumTickLabelWidth(Graphics2D g2, DateTickUnit unit) { RectangleInsets tickLabelInsets = getTickLabelInsets(); double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight(); Font tickLabelFont = getTickLabelFont(); FontRenderContext frc = g2.getFontRenderContext(); LineMetrics lm = tickLabelFont.getLineMetrics("ABCxyz", frc); if (isVerticalTickLabels()) { // all tick labels have the same width (equal to the height of // the font)... result += lm.getHeight(); } else { // look at lower and upper bounds... DateRange range = (DateRange) getRange(); Date lower = range.getLowerDate(); Date upper = range.getUpperDate(); String lowerStr = null; String upperStr = null; DateFormat formatter = getDateFormatOverride(); if (formatter != null) { lowerStr = formatter.format(lower); upperStr = formatter.format(upper); } else { lowerStr = unit.dateToString(lower); upperStr = unit.dateToString(upper); } FontMetrics fm = g2.getFontMetrics(tickLabelFont); double w1 = fm.stringWidth(lowerStr); double w2 = fm.stringWidth(upperStr); result += Math.max(w1, w2); } return result; }
Example #22
Source File: TextPainter.java From consulo with Apache License 2.0 | 5 votes |
private double drawHeader(Graphics2D g, Rectangle2D clip) { LineMetrics lineMetrics = getHeaderFooterLineMetrics(g); double w = clip.getWidth(); double x = clip.getX(); double y = clip.getY(); double h = 0; boolean wasDrawn = false; String headerText1 = myPrintSettings.FOOTER_HEADER_TEXT1; if (headerText1 != null && headerText1.length() > 0 && PrintSettings.HEADER.equals(myPrintSettings.FOOTER_HEADER_PLACEMENT1)) { h = drawHeaderOrFooterLine(g, x, y, w, headerText1, myPrintSettings.FOOTER_HEADER_ALIGNMENT1); wasDrawn = true; y += h; } String headerText2 = myPrintSettings.FOOTER_HEADER_TEXT2; if (headerText2 != null && headerText2.length() > 0 && PrintSettings.HEADER.equals(myPrintSettings.FOOTER_HEADER_PLACEMENT2)) { if (PrintSettings.LEFT.equals(myPrintSettings.FOOTER_HEADER_ALIGNMENT1) && PrintSettings.RIGHT.equals(myPrintSettings.FOOTER_HEADER_ALIGNMENT2) && wasDrawn) { y -= h; } h = drawHeaderOrFooterLine(g, x, y, w, headerText2, myPrintSettings.FOOTER_HEADER_ALIGNMENT2); y += h; wasDrawn = true; } return wasDrawn ? y - clip.getY() + lineMetrics.getHeight() / 3 : 0; }
Example #23
Source File: MarkerAxisBand.java From opensim-gui with Apache License 2.0 | 5 votes |
/** * Returns the height of the band. * * @param g2 the graphics device. * * @return The height of the band. */ public double getHeight(Graphics2D g2) { double result = 0.0; if (this.markers.size() > 0) { LineMetrics metrics = this.font.getLineMetrics( "123g", g2.getFontRenderContext() ); result = this.topOuterGap + this.topInnerGap + metrics.getHeight() + this.bottomInnerGap + this.bottomOuterGap; } return result; }
Example #24
Source File: SpiderWebPlot.java From opensim-gui with Apache License 2.0 | 5 votes |
/** * Draws the label for one axis. * * @param g2 the graphics device. * @param plotArea the plot area * @param value the value of the label (ignored). * @param cat the category (zero-based index). * @param startAngle the starting angle. * @param extent the extent of the arc. */ protected void drawLabel(Graphics2D g2, Rectangle2D plotArea, double value, int cat, double startAngle, double extent) { FontRenderContext frc = g2.getFontRenderContext(); String label = null; if (this.dataExtractOrder == TableOrder.BY_ROW) { // if series are in rows, then the categories are the column keys label = this.labelGenerator.generateColumnLabel(this.dataset, cat); } else { // if series are in columns, then the categories are the row keys label = this.labelGenerator.generateRowLabel(this.dataset, cat); } Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc); LineMetrics lm = getLabelFont().getLineMetrics(label, frc); double ascent = lm.getAscent(); Point2D labelLocation = calculateLabelLocation(labelBounds, ascent, plotArea, startAngle); Composite saveComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); g2.setPaint(getLabelPaint()); g2.setFont(getLabelFont()); g2.drawString(label, (float) labelLocation.getX(), (float) labelLocation.getY()); g2.setComposite(saveComposite); }
Example #25
Source File: LogAxis.java From astor with GNU General Public License v2.0 | 5 votes |
/** * 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... FontMetrics fm = g2.getFontMetrics(getTickLabelFont()); Range range = getRange(); double lower = range.getLowerBound(); double upper = range.getUpperBound(); String lowerStr = ""; String upperStr = ""; NumberFormat formatter = getNumberFormatOverride(); if (formatter != null) { lowerStr = formatter.format(lower); upperStr = formatter.format(upper); } else { lowerStr = unit.valueToString(lower); upperStr = unit.valueToString(upper); } double w1 = fm.stringWidth(lowerStr); double w2 = fm.stringWidth(upperStr); result += Math.max(w1, w2); } return result; }
Example #26
Source File: SpiderWebPlot.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
/** * Draws the label for one axis. * * @param g2 the graphics device. * @param plotArea the plot area * @param value the value of the label (ignored). * @param cat the category (zero-based index). * @param startAngle the starting angle. * @param extent the extent of the arc. */ protected void drawLabel(Graphics2D g2, Rectangle2D plotArea, double value, int cat, double startAngle, double extent) { FontRenderContext frc = g2.getFontRenderContext(); String label; if (this.dataExtractOrder == TableOrder.BY_ROW) { // if series are in rows, then the categories are the column keys label = this.labelGenerator.generateColumnLabel(this.dataset, cat); } else { // if series are in columns, then the categories are the row keys label = this.labelGenerator.generateRowLabel(this.dataset, cat); } Rectangle2D labelBounds = getLabelFont().getStringBounds(label, frc); LineMetrics lm = getLabelFont().getLineMetrics(label, frc); double ascent = lm.getAscent(); Point2D labelLocation = calculateLabelLocation(labelBounds, ascent, plotArea, startAngle); Composite saveComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); g2.setPaint(getLabelPaint()); g2.setFont(getLabelFont()); g2.drawString(label, (float) labelLocation.getX(), (float) labelLocation.getY()); g2.setComposite(saveComposite); }
Example #27
Source File: DateAxis.java From openstock with GNU General Public License v3.0 | 5 votes |
/** * 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. */ private double estimateMaximumTickLabelWidth(Graphics2D g2, DateTickUnit unit) { RectangleInsets tickLabelInsets = getTickLabelInsets(); double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight(); Font tickLabelFont = getTickLabelFont(); FontRenderContext frc = g2.getFontRenderContext(); LineMetrics lm = tickLabelFont.getLineMetrics("ABCxyz", frc); if (isVerticalTickLabels()) { // all tick labels have the same width (equal to the height of // the font)... result += lm.getHeight(); } else { // look at lower and upper bounds... DateRange range = (DateRange) getRange(); Date lower = range.getLowerDate(); Date upper = range.getUpperDate(); String lowerStr, upperStr; DateFormat formatter = getDateFormatOverride(); if (formatter != null) { lowerStr = formatter.format(lower); upperStr = formatter.format(upper); } else { lowerStr = unit.dateToString(lower); upperStr = unit.dateToString(upper); } FontMetrics fm = g2.getFontMetrics(tickLabelFont); double w1 = fm.stringWidth(lowerStr); double w2 = fm.stringWidth(upperStr); result += Math.max(w1, w2); } return result; }
Example #28
Source File: FontMetricsCache.java From netbeans with Apache License 2.0 | 4 votes |
private synchronized void initStrikethrough(Graphics g) { LineMetrics lm = font.getLineMetrics("aAyY", ((Graphics2D)g).getFontRenderContext()); // NOI18N strikethroughOffset = lm.getStrikethroughOffset(); strikethroughThickness = lm.getStrikethroughThickness(); inited |= ST_INITED; }
Example #29
Source File: StandardCategoryAxis3D.java From orson-charts with GNU General Public License v3.0 | 4 votes |
private double drawParallelTickLabels(Graphics2D g2, Line2D axisLine, Point2D opposingPt, List<TickData> tickData, double maxTickLabelWidth, RenderingInfo info, boolean hinting) { int levels = 1; LineMetrics lm = g2.getFontMetrics().getLineMetrics("123", g2); double height = lm.getHeight(); if (tickData.size() > 1) { // work out how many offset levels we need to display the // categories without overlapping Point2D p0 = tickData.get(0).getAnchorPt(); Point2D pN = tickData.get(tickData.size() - 1).getAnchorPt(); double availableWidth = pN.distance(p0) * tickData.size() / (tickData.size() - 1); int labelsPerLevel = (int) Math.floor(availableWidth / (maxTickLabelWidth * tickLabelFactor)); int levelsRequired = this.maxTickLabelLevels; if (labelsPerLevel > 0) { levelsRequired = this.categories.size() / labelsPerLevel + 1; } levels = Math.min(levelsRequired, this.maxTickLabelLevels); } int index = 0; for (TickData t : tickData) { int level = index % levels; double adj = height * (level + 0.5); Line2D perpLine = Utils2D.createPerpendicularLine(axisLine, t.getAnchorPt(), this.tickMarkLength + this.tickLabelOffset + adj, opposingPt); double axisTheta = Utils2D.calculateTheta(axisLine); TextAnchor textAnchor = TextAnchor.CENTER; if (axisTheta >= Math.PI / 2.0) { axisTheta = axisTheta - Math.PI; } else if (axisTheta <= -Math.PI / 2) { axisTheta = axisTheta + Math.PI; } String tickLabel = t.getKeyLabel(); if (hinting) { Map<String, String> m = new HashMap<>(); m.put("ref", "{\"type\": \"categoryTickLabel\", \"axis\": \"" + axisStr() + "\", \"key\": \"" + t.getKey() + "\"}"); g2.setRenderingHint(Chart3DHints.KEY_BEGIN_ELEMENT, m); } Shape bounds = TextUtils.drawRotatedString(tickLabel, g2, (float) perpLine.getX2(), (float) perpLine.getY2(), textAnchor, axisTheta, textAnchor); if (hinting) { g2.setRenderingHint(Chart3DHints.KEY_END_ELEMENT, true); } if (info != null) { RenderedElement tickLabelElement = new RenderedElement( InteractiveElementType.CATEGORY_AXIS_TICK_LABEL, bounds); tickLabelElement.setProperty("label", tickLabel); tickLabelElement.setProperty("axis", axisStr()); info.addOffsetElement(tickLabelElement); } index++; } return height * levels; }
Example #30
Source File: TextUtils.java From SIMVA-SoS with Apache License 2.0 | 4 votes |
/** * A utility method that calculates the anchor offsets for a string. * Normally, the (x, y) coordinate for drawing text is a point on the * baseline at the left of the text string. If you add these offsets to * (x, y) and draw the string, then the anchor point should coincide with * the (x, y) point. * * @param g2 the graphics device (not <code>null</code>). * @param text the text. * @param anchor the anchor point. * * @return The offsets. */ private static float[] deriveTextBoundsAnchorOffsets(Graphics2D g2, String text, TextAnchor anchor) { float[] result = new float[2]; FontRenderContext frc = g2.getFontRenderContext(); Font f = g2.getFont(); FontMetrics fm = g2.getFontMetrics(f); Rectangle2D bounds = getTextBounds(text, fm); LineMetrics metrics = f.getLineMetrics(text, frc); float ascent = metrics.getAscent(); float halfAscent = ascent / 2.0f; float descent = metrics.getDescent(); float leading = metrics.getLeading(); float xAdj = 0.0f; float yAdj = 0.0f; if (anchor.isHorizontalCenter()) { xAdj = (float) -bounds.getWidth() / 2.0f; } else if (anchor.isRight()) { xAdj = (float) -bounds.getWidth(); } if (anchor.isTop()) { yAdj = -descent - leading + (float) bounds.getHeight(); } else if (anchor.isHalfAscent()) { yAdj = halfAscent; } else if (anchor.isVerticalCenter()) { yAdj = -descent - leading + (float) (bounds.getHeight() / 2.0); } else if (anchor.isBaseline()) { yAdj = 0.0f; } else if (anchor.isBottom()) { yAdj = -metrics.getDescent() - metrics.getLeading(); } result[0] = xAdj; result[1] = yAdj; return result; }