javax.swing.JTextField.getFontMetrics()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中javax.swing.JTextField.getFontMetrics()方法的一些代码示例，展示了JTextField.getFontMetrics()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JTextField.getFontMetrics()方法的具体详情如下：
包路径：javax.swing.JTextField
类名称：JTextField
方法名：getFontMetrics

JTextField.getFontMetrics介绍

暂无

代码示例

代码示例来源：origin: stanfordnlp/CoreNLP

/**
 * Returns true if the given mouse event occurred within a highlight h on label.
 */
public static boolean isInHighlight(MouseEvent e, JTextField label, Highlighter h) {
 Highlight[] hls = h.getHighlights();
 if(hls == null || hls.length == 0)
  return false;
 Highlight hl = hls[0];
 FontMetrics fm = label.getFontMetrics(label.getFont());
 int offset = getCharOffset(fm, label.getText(), e.getX());
 return hl.getStartOffset() <= offset && offset < hl.getEndOffset();
}

代码示例来源：origin: stanfordnlp/CoreNLP

private boolean addHighlight(JTextField label, MouseEvent mouseEvent1, MouseEvent mouseEvent2) {
 //Two parts: adding the highlight on the label, and scrolling the list appropriately
 //HighlightUtils handles the first part, we handle the second part here
 boolean highlightSuccessful = HighlightUtils.addHighlight(label, mouseEvent1, mouseEvent2);
 FontMetrics fm = label.getFontMetrics(label.getFont());
 int firstXpos = mouseEvent1.getX();
 int lastXpos = mouseEvent2.getX();
 int firstOffset = getCharOffset(fm, label.getText(), firstXpos);
 int lastOffset = getCharOffset(fm, label.getText(), lastXpos);
 if(lastOffset != firstOffset) {
  if(firstOffset > lastOffset) {
   int tmp = firstOffset;
   firstOffset = lastOffset;
   lastOffset = tmp;
  }
  Rectangle curVisible = list.getVisibleRect();
  if(lastXpos > curVisible.x+curVisible.width) {
   list.scrollRectToVisible(new Rectangle(new Point(lastXpos-curVisible.width, curVisible.y), curVisible.getSize()));
  } else if(lastXpos < curVisible.x) {
   list.scrollRectToVisible(new Rectangle(new Point(lastXpos, curVisible.y), curVisible.getSize()));
  }
  list.repaint();
  return highlightSuccessful;
 } else
  return false;
}

代码示例来源：origin: stanfordnlp/CoreNLP

/**
 * Highlight the given label from the first mouse event to the second
 * Returns true if the highlight was successful, false otherwise.
 */
public static boolean addHighlight(JTextField label, MouseEvent mouseEvent1, MouseEvent mouseEvent2) {
 FontMetrics fm = label.getFontMetrics(label.getFont());
 int firstXpos = mouseEvent1.getX();
 int lastXpos = mouseEvent2.getX();
 int firstOffset = getCharOffset(fm, label.getText(), firstXpos);
 int lastOffset = getCharOffset(fm, label.getText(), lastXpos);
 if(lastOffset != firstOffset) {
  if(firstOffset > lastOffset) {
   int tmp = firstOffset;
   firstOffset = lastOffset;
   lastOffset = tmp;
  }
  try {
   label.getHighlighter().removeAllHighlights();
   label.getHighlighter().addHighlight(firstOffset, lastOffset, new DefaultHighlighter.DefaultHighlightPainter(Color.yellow));
   return true;
  } catch (BadLocationException e1) {
   return false;
  }
 } else
  return false;
}

代码示例来源：origin: stackoverflow.com

JTextField textField = new JTextField();
String textToTest = "abcdefg";
FontRenderContext fontRenderContext = textField.getFontMetrics(font).getFontRenderContext();

GlyphVector glyphVector = font.layoutGlyphVector(fontRenderContext, textToTest.toCharArray(), 0, 4, Font.LAYOUT_LEFT_TO_RIGHT);
int layoutFlags = glyphVector.getLayoutFlags();
boolean hasComplexGlyphs = (layoutFlags & GlyphVector.FLAG_COMPLEX_GLYPHS) != 0;
int numberOfGlyphs = glyphVector.getNumGlyphs();

代码示例来源：origin: com.github.lgooddatepicker/LGoodDatePicker

/**
 * getFormattedDateWidthInPixels, This returns the width (in pixels) of the longest formatted
 * time, using the supplied DateTimeFormatter instance and font. Note that the locale
 * information is built into the display format.
 *
 * You may optionally add extra characters to the longestTimeString that is used in the
 * calculation, by supplying a nonzero value for the parameter numberOfExtraCharacters. This
 * parameter can also be used with a negative value to reduce the size that is returned.
 */
static public int getFormattedTimeWidthInPixels(DateTimeFormatter formatForDisplayTime,
    Font fontValidTime, int numberOfExtraCharacters) {
  // Create the font metrics that will be used in the calculation.
  JTextField textField = new JTextField();
  FontMetrics fontMetrics = textField.getFontMetrics(fontValidTime);
  // Create the longest possible time.
  LocalTime longestTime = LocalTime.of(22, 59, 59, 999999999);
  // Generate the longest time string. Note, The locale is built into the formatter instance.
  String longestTimeString = longestTime.format(formatForDisplayTime);
  // Get the width of the longest time string (in pixels), using the supplied font metrics.
  int longestTimeWidth = fontMetrics.stringWidth(longestTimeString);
  // Add space for two characters.
  int singleNumericCharacterWidth = fontMetrics.stringWidth("8");
  longestTimeWidth += (2 * singleNumericCharacterWidth);
  // Don't return return anything less than 50 pixels by default.
  longestTimeWidth = (longestTimeWidth < 50) ? 50 : longestTimeWidth;
  // If requested, pad the result with space for any (programmer specified) extra characters.
  longestTimeWidth += (numberOfExtraCharacters * singleNumericCharacterWidth);
  // Return the width of the longest formatted time, in pixels.
  return longestTimeWidth;
}

代码示例来源：origin: dcaoyuan/nbscala

/** Creates new form LineBreakpointPanel */
public ActionsPanel (JPDABreakpoint b) {
  breakpoint = b;
  initComponents ();
  cbSuspend.addItem (java.util.ResourceBundle.getBundle("org/netbeans/modules/debugger/jpda/ui/breakpoints/Bundle").getString("LBL_CB_Actions_Panel_Suspend_None"));
  cbSuspend.addItem (java.util.ResourceBundle.getBundle("org/netbeans/modules/debugger/jpda/ui/breakpoints/Bundle").getString("LBL_CB_Actions_Panel_Suspend_Current"));
  cbSuspend.addItem (java.util.ResourceBundle.getBundle("org/netbeans/modules/debugger/jpda/ui/breakpoints/Bundle").getString("LBL_CB_Actions_Panel_Suspend_All"));
  switch (b.getSuspend ()) {
    case JPDABreakpoint.SUSPEND_NONE:
      cbSuspend.setSelectedIndex (0);
      break;
    case JPDABreakpoint.SUSPEND_EVENT_THREAD:
      cbSuspend.setSelectedIndex (1);
      break;
    case JPDABreakpoint.SUSPEND_ALL:
      cbSuspend.setSelectedIndex (2);
      break;
  }
  if (b.getPrintText () != null)
    tfPrintText.setText (b.getPrintText ());
  tfPrintText.setPreferredSize(new Dimension(
      30*tfPrintText.getFontMetrics(tfPrintText.getFont()).charWidth('W'),
      tfPrintText.getPreferredSize().height));
  tfPrintText.setCaretPosition(0);
}

代码示例来源：origin: edu.stanford.nlp/stanford-corenlp

/**
 * Returns true if the given mouse event occurred within a highlight h on label.
 */
public static boolean isInHighlight(MouseEvent e, JTextField label, Highlighter h) {
 Highlight[] hls = h.getHighlights();
 if(hls == null || hls.length == 0)
  return false;
 Highlight hl = hls[0];
 FontMetrics fm = label.getFontMetrics(label.getFont());
 int offset = getCharOffset(fm, label.getText(), e.getX());
 return hl.getStartOffset() <= offset && offset < hl.getEndOffset();
}

代码示例来源：origin: com.github.lgooddatepicker/LGoodDatePicker

FontMetrics fontMetrics = textField.getFontMetrics(fontValidDate);

代码示例来源：origin: edu.stanford.nlp/stanford-corenlp

private boolean addHighlight(JTextField label, MouseEvent mouseEvent1, MouseEvent mouseEvent2) {
 //Two parts: adding the highlight on the label, and scrolling the list appropriately
 //HighlightUtils handles the first part, we handle the second part here
 boolean highlightSuccessful = HighlightUtils.addHighlight(label, mouseEvent1, mouseEvent2);
 FontMetrics fm = label.getFontMetrics(label.getFont());
 int firstXpos = mouseEvent1.getX();
 int lastXpos = mouseEvent2.getX();
 int firstOffset = getCharOffset(fm, label.getText(), firstXpos);
 int lastOffset = getCharOffset(fm, label.getText(), lastXpos);
 if(lastOffset != firstOffset) {
  if(firstOffset > lastOffset) {
   int tmp = firstOffset;
   firstOffset = lastOffset;
   lastOffset = tmp;
  }
  Rectangle curVisible = list.getVisibleRect();
  if(lastXpos > curVisible.x+curVisible.width) {
   list.scrollRectToVisible(new Rectangle(new Point(lastXpos-curVisible.width, curVisible.y), curVisible.getSize()));
  } else if(lastXpos < curVisible.x) {
   list.scrollRectToVisible(new Rectangle(new Point(lastXpos, curVisible.y), curVisible.getSize()));
  }
  list.repaint();
  return highlightSuccessful;
 } else
  return false;
}

代码示例来源：origin: dcaoyuan/nbscala

new Dimension(8*tfHitCountFilter.getFontMetrics(tfHitCountFilter.getFont()).charWidth('8'),
           tfHitCountFilter.getPreferredSize().height));
cbHitStyle.setModel(new javax.swing.DefaultComboBoxModel(new String[] {

代码示例来源：origin: dcaoyuan/nbscala

/** Creates new form LineBreakpointPanel */
public LineBreakpointPanel (LineBreakpoint b) {
  breakpoint = b;
  initComponents ();
  String url = b.getURL();
  try {
    URI uri = new URI(url);
    tfFileName.setText(uri.getPath());
  } catch (Exception e) {
    tfFileName.setText(url);
  }
  tfFileName.setPreferredSize(new Dimension(
    30*tfFileName.getFontMetrics(tfFileName.getFont()).charWidth('W'),
    tfFileName.getPreferredSize().height));
  tfLineNumber.setText(Integer.toString(b.getLineNumber()));
  conditionsPanel = new ConditionsPanel();
  setupConditionPane();
  conditionsPanel.showClassFilter(false);
  conditionsPanel.setCondition(b.getCondition());
  conditionsPanel.setHitCountFilteringStyle(b.getHitCountFilteringStyle());
  conditionsPanel.setHitCount(b.getHitCountFilter());
  cPanel.add(conditionsPanel, "Center");
  
  actionsPanel = new ActionsPanel (b);
  pActions.add (actionsPanel, "Center");
}

代码示例来源：origin: edu.stanford.nlp/stanford-corenlp

/**
 * Highlight the given label from the first mouse event to the second
 * Returns true if the highlight was successful, false otherwise.
 */
public static boolean addHighlight(JTextField label, MouseEvent mouseEvent1, MouseEvent mouseEvent2) {
 FontMetrics fm = label.getFontMetrics(label.getFont());
 int firstXpos = mouseEvent1.getX();
 int lastXpos = mouseEvent2.getX();
 int firstOffset = getCharOffset(fm, label.getText(), firstXpos);
 int lastOffset = getCharOffset(fm, label.getText(), lastXpos);
 if(lastOffset != firstOffset) {
  if(firstOffset > lastOffset) {
   int tmp = firstOffset;
   firstOffset = lastOffset;
   lastOffset = tmp;
  }
  try {
   label.getHighlighter().removeAllHighlights();
   label.getHighlighter().addHighlight(firstOffset, lastOffset, new DefaultHighlighter.DefaultHighlightPainter(Color.yellow));
   return true;
  } catch (BadLocationException e1) {
   return false;
  }
 } else
  return false;
}

代码示例来源：origin: LibraryOfCongress/bagger

public BagTree(BagView bagView, String path) {
 super();
 this.setShowsRootHandles(true);
 basePath = path;
 parentNode = new DefaultMutableTreeNode(basePath);
 initialize();
 initListeners();
 JTextField nameTextField = new JTextField();
 int fieldHeight = nameTextField.getFontMetrics(nameTextField.getFont()).getHeight() + 5;
 BAGTREE_ROW_MODIFIER = fieldHeight;
 this.setDragEnabled(true);
 this.setDropMode(DropMode.ON_OR_INSERT);
 this.setTransferHandler(new BagTreeTransferHandler());
 this.getSelectionModel().setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);
 bagView.registerTreeListener(path, this);
}

代码示例来源：origin: org.netbeans.modules/org-netbeans-modules-visualweb-propertyeditors

FontMetrics fontMetrics = fontSizeField.getFontMetrics(fontSizeField.getFont());
int width = fontMetrics.stringWidth((String) fontSizes.get(0)) + 10;
int height = (fontMetrics.getHeight() + 10) > 25 ? fontMetrics.getHeight() + 10 : 25;

代码示例来源：origin: org.apache.odftoolkit/simple-odf

FontMetrics fm = txtField.getFontMetrics(txtField.getFont());

代码示例来源：origin: org.odftoolkit/simple-odf

FontMetrics fm = txtField.getFontMetrics(txtField.getFont());

代码示例来源：origin: apache/odftoolkit

FontMetrics fm = txtField.getFontMetrics(txtField.getFont());

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