Java Code Examples for java.awt.font.LineMetrics#getAscent()
The following examples show how to use
java.awt.font.LineMetrics#getAscent() .
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Example 1
| Source File: TextFragment.java From astor with GNU General Public License v2.0 | 6 votes |
|
/**
* Calculates the vertical offset between the baseline and the specified
* text anchor.
*
* @param g2 the graphics device.
* @param anchor the anchor.
*
* @return the offset.
*/
public float calculateBaselineOffset(Graphics2D g2, TextAnchor anchor) {
float result = 0.0f;
FontMetrics fm = g2.getFontMetrics(this.font);
LineMetrics lm = fm.getLineMetrics("ABCxyz", g2);
if (anchor == TextAnchor.TOP_LEFT || anchor == TextAnchor.TOP_CENTER
|| anchor == TextAnchor.TOP_RIGHT) {
result = lm.getAscent();
}
else if (anchor == TextAnchor.BOTTOM_LEFT
|| anchor == TextAnchor.BOTTOM_CENTER
|| anchor == TextAnchor.BOTTOM_RIGHT) {
result = -lm.getDescent() - lm.getLeading();
}
return result;
}
Example 2
| Source File: StandardGlyphVector.java From TencentKona-8 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 3
| Source File: MainPanel.java From java-swing-tips with MIT License | 6 votes |
|
@Override protected void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g.create();
Rectangle r = list.getVisibleRect();
int cw = r.width - icon.getPreferredSize().width;
FontRenderContext frc = g2.getFontRenderContext();
GlyphVector gv = getFont().createGlyphVector(frc, getText());
if (isAnimatingCell() && gv.getVisualBounds().getWidth() > cw) {
LineMetrics lm = getFont().getLineMetrics(getText(), frc);
float yy = lm.getAscent() / 2f + (float) gv.getVisualBounds().getY();
g2.drawGlyphVector(gv, cw - xx, getHeight() / 2f - yy);
xx = cw + gv.getVisualBounds().getWidth() - xx > 0 ? xx + 8f : 0f;
} else {
super.paintComponent(g);
}
g2.dispose();
}
Example 4
| 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 5
| Source File: TextFragment.java From astor with GNU General Public License v2.0 | 6 votes |
|
/**
* Calculates the vertical offset between the baseline and the specified
* text anchor.
*
* @param g2 the graphics device.
* @param anchor the anchor.
*
* @return the offset.
*/
public float calculateBaselineOffset(Graphics2D g2, TextAnchor anchor) {
float result = 0.0f;
FontMetrics fm = g2.getFontMetrics(this.font);
LineMetrics lm = fm.getLineMetrics("ABCxyz", g2);
if (anchor == TextAnchor.TOP_LEFT || anchor == TextAnchor.TOP_CENTER
|| anchor == TextAnchor.TOP_RIGHT) {
result = lm.getAscent();
}
else if (anchor == TextAnchor.BOTTOM_LEFT
|| anchor == TextAnchor.BOTTOM_CENTER
|| anchor == TextAnchor.BOTTOM_RIGHT) {
result = -lm.getDescent() - lm.getLeading();
}
return result;
}
Example 6
| 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 7
| 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 8
| 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 9
| Source File: StandardGlyphVector.java From hottub 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: SpiderWebPlot.java From ECG-Viewer 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;
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 11
| Source File: TextBlock.java From pumpernickel with MIT License | 5 votes |
|
protected void paintText(Graphics2D g, GeneralPath bodyOutline) {
Font font = getFont();
String text = getText();
g.setFont(font);
FontRenderContext frc = g.getFontRenderContext();
Rectangle2D r = font.getStringBounds(text, frc);
LineMetrics lineMetrics = font.getLineMetrics(text, frc);
Rectangle2D shapeBounds = ShapeBounds.getBounds(bodyOutline);
float shapeCenterX = (float) shapeBounds.getCenterX();
float shapeCenterY = (float) shapeBounds.getCenterY();
float textX = (float) (shapeCenterX - r.getWidth() / 2f);
float textY = (float) (shapeCenterY + lineMetrics.getAscent() / 2f - lineMetrics
.getDescent() / 3f);
if (isTextShadowActive()) {
Paint paint = this.getTextPaint();
boolean isTextDark = true;
if (paint instanceof Color) {
Color color = (Color) paint;
isTextDark = (color.getRed() + color.getGreen() + color
.getBlue()) / 3 < 120;
}
g.setColor(isTextDark ? new Color(255, 255, 255, 40) : new Color(0,
0, 0, 40));
g.translate(0, 1);
g.drawString(text, textX, textY);
g.translate(0, 1);
g.drawString(text, textX, textY);
g.translate(0, -2);
}
g.setPaint(getTextPaint());
g.drawString(text, textX, textY);
}
Example 12
| 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 13
| 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 14
| Source File: TextUtilities.java From ccu-historian with GNU General Public License v3.0 | 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.
* @param textBounds the text bounds (if not <code>null</code>, this
* object will be updated by this method to match the
* string bounds).
*
* @return The offsets.
*/
private static float[] deriveTextBoundsAnchorOffsets(Graphics2D g2,
String text, TextAnchor anchor, Rectangle2D textBounds) {
float[] result = new float[3];
FontRenderContext frc = g2.getFontRenderContext();
Font f = g2.getFont();
FontMetrics fm = g2.getFontMetrics(f);
Rectangle2D bounds = TextUtilities.getTextBounds(text, g2, fm);
LineMetrics metrics = f.getLineMetrics(text, frc);
float ascent = metrics.getAscent();
result[2] = -ascent;
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();
}
if (textBounds != null) {
textBounds.setRect(bounds);
}
result[0] = xAdj;
result[1] = yAdj;
return result;
}
Example 15
| Source File: TextUtilities.java From astor with GNU General Public License v2.0 | 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.
* @param textBounds the text bounds (if not <code>null</code>, this
* object will be updated by this method to match the
* string bounds).
*
* @return The offsets.
*/
private static float[] deriveTextBoundsAnchorOffsets(Graphics2D g2,
String text, TextAnchor anchor, Rectangle2D textBounds) {
float[] result = new float[3];
FontRenderContext frc = g2.getFontRenderContext();
Font f = g2.getFont();
FontMetrics fm = g2.getFontMetrics(f);
Rectangle2D bounds = TextUtilities.getTextBounds(text, g2, fm);
LineMetrics metrics = f.getLineMetrics(text, frc);
float ascent = metrics.getAscent();
result[2] = -ascent;
float halfAscent = ascent / 2.0f;
float descent = metrics.getDescent();
float leading = metrics.getLeading();
float xAdj = 0.0f;
float yAdj = 0.0f;
if (anchor == TextAnchor.TOP_CENTER
|| anchor == TextAnchor.CENTER
|| anchor == TextAnchor.BOTTOM_CENTER
|| anchor == TextAnchor.BASELINE_CENTER
|| anchor == TextAnchor.HALF_ASCENT_CENTER) {
xAdj = (float) -bounds.getWidth() / 2.0f;
}
else if (anchor == TextAnchor.TOP_RIGHT
|| anchor == TextAnchor.CENTER_RIGHT
|| anchor == TextAnchor.BOTTOM_RIGHT
|| anchor == TextAnchor.BASELINE_RIGHT
|| anchor == TextAnchor.HALF_ASCENT_RIGHT) {
xAdj = (float) -bounds.getWidth();
}
if (anchor == TextAnchor.TOP_LEFT
|| anchor == TextAnchor.TOP_CENTER
|| anchor == TextAnchor.TOP_RIGHT) {
yAdj = -descent - leading + (float) bounds.getHeight();
}
else if (anchor == TextAnchor.HALF_ASCENT_LEFT
|| anchor == TextAnchor.HALF_ASCENT_CENTER
|| anchor == TextAnchor.HALF_ASCENT_RIGHT) {
yAdj = halfAscent;
}
else if (anchor == TextAnchor.CENTER_LEFT
|| anchor == TextAnchor.CENTER
|| anchor == TextAnchor.CENTER_RIGHT) {
yAdj = -descent - leading + (float) (bounds.getHeight() / 2.0);
}
else if (anchor == TextAnchor.BASELINE_LEFT
|| anchor == TextAnchor.BASELINE_CENTER
|| anchor == TextAnchor.BASELINE_RIGHT) {
yAdj = 0.0f;
}
else if (anchor == TextAnchor.BOTTOM_LEFT
|| anchor == TextAnchor.BOTTOM_CENTER
|| anchor == TextAnchor.BOTTOM_RIGHT) {
yAdj = -metrics.getDescent() - metrics.getLeading();
}
if (textBounds != null) {
textBounds.setRect(bounds);
}
result[0] = xAdj;
result[1] = yAdj;
return result;
}
Example 16
| 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;
}
Example 17
| Source File: TextUtils.java From ECG-Viewer with GNU General Public License v2.0 | 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.
* @param textBounds the text bounds (if not <code>null</code>, this
* object will be updated by this method to match the
* string bounds).
*
* @return The offsets.
*/
private static float[] deriveTextBoundsAnchorOffsets(Graphics2D g2,
String text, TextAnchor anchor, Rectangle2D textBounds) {
float[] result = new float[3];
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();
result[2] = -ascent;
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.isHorizontalCenter()) {
yAdj = -descent - leading + (float) (bounds.getHeight() / 2.0);
}
else if (anchor.isBaseline()) {
yAdj = 0.0f;
}
else if (anchor.isBottom()) {
yAdj = -metrics.getDescent() - metrics.getLeading();
}
if (textBounds != null) {
textBounds.setRect(bounds);
}
result[0] = xAdj;
result[1] = yAdj;
return result;
}
Example 18
| Source File: TextUtils.java From ECG-Viewer with GNU General Public License v2.0 | 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;
}
Example 19
| Source File: TextUtilities.java From astor with GNU General Public License v2.0 | 4 votes |
|
/**
* A utility method that calculates the rotation anchor offsets for a
* string. These offsets are relative to the text starting coordinate
* (BASELINE_LEFT).
*
* @param g2 the graphics device.
* @param text the text.
* @param anchor the anchor point.
*
* @return The offsets.
*/
private static float[] deriveRotationAnchorOffsets(Graphics2D g2,
String text, TextAnchor anchor) {
float[] result = new float[2];
FontRenderContext frc = g2.getFontRenderContext();
LineMetrics metrics = g2.getFont().getLineMetrics(text, frc);
FontMetrics fm = g2.getFontMetrics();
Rectangle2D bounds = TextUtilities.getTextBounds(text, g2, fm);
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 == TextAnchor.TOP_LEFT
|| anchor == TextAnchor.CENTER_LEFT
|| anchor == TextAnchor.BOTTOM_LEFT
|| anchor == TextAnchor.BASELINE_LEFT
|| anchor == TextAnchor.HALF_ASCENT_LEFT) {
xAdj = 0.0f;
}
else if (anchor == TextAnchor.TOP_CENTER
|| anchor == TextAnchor.CENTER
|| anchor == TextAnchor.BOTTOM_CENTER
|| anchor == TextAnchor.BASELINE_CENTER
|| anchor == TextAnchor.HALF_ASCENT_CENTER) {
xAdj = (float) bounds.getWidth() / 2.0f;
}
else if (anchor == TextAnchor.TOP_RIGHT
|| anchor == TextAnchor.CENTER_RIGHT
|| anchor == TextAnchor.BOTTOM_RIGHT
|| anchor == TextAnchor.BASELINE_RIGHT
|| anchor == TextAnchor.HALF_ASCENT_RIGHT) {
xAdj = (float) bounds.getWidth();
}
if (anchor == TextAnchor.TOP_LEFT
|| anchor == TextAnchor.TOP_CENTER
|| anchor == TextAnchor.TOP_RIGHT) {
yAdj = descent + leading - (float) bounds.getHeight();
}
else if (anchor == TextAnchor.CENTER_LEFT
|| anchor == TextAnchor.CENTER
|| anchor == TextAnchor.CENTER_RIGHT) {
yAdj = descent + leading - (float) (bounds.getHeight() / 2.0);
}
else if (anchor == TextAnchor.HALF_ASCENT_LEFT
|| anchor == TextAnchor.HALF_ASCENT_CENTER
|| anchor == TextAnchor.HALF_ASCENT_RIGHT) {
yAdj = -halfAscent;
}
else if (anchor == TextAnchor.BASELINE_LEFT
|| anchor == TextAnchor.BASELINE_CENTER
|| anchor == TextAnchor.BASELINE_RIGHT) {
yAdj = 0.0f;
}
else if (anchor == TextAnchor.BOTTOM_LEFT
|| anchor == TextAnchor.BOTTOM_CENTER
|| anchor == TextAnchor.BOTTOM_RIGHT) {
yAdj = metrics.getDescent() + metrics.getLeading();
}
result[0] = xAdj;
result[1] = yAdj;
return result;
}
Example 20
| Source File: ImageWorker.java From jrobin with GNU Lesser General Public License v2.1 | 4 votes |
|
double getFontAscent(Font font) {
LineMetrics lm = font.getLineMetrics(DUMMY_TEXT, gd.getFontRenderContext());
return lm.getAscent();
}
