java.awt.Graphics2D.getFontMetrics()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中java.awt.Graphics2D.getFontMetrics()方法的一些代码示例，展示了Graphics2D.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。Graphics2D.getFontMetrics()方法的具体详情如下：
包路径：java.awt.Graphics2D
类名称：Graphics2D
方法名：getFontMetrics

Graphics2D.getFontMetrics介绍

暂无

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

public void drawText( String text, int x, int y ) {
 int height = gc.getFontMetrics().getHeight();
 String[] lines = text.split( "\n" );
 for ( String line : lines ) {
  gc.drawString( line, x + xOffset, y + height + yOffset );
  y += height;
 }
}

代码示例来源：origin: libgdx/libgdx

protected void paintComponent (Graphics graphics) {
  super.paintComponent(graphics);
  Graphics2D g = (Graphics2D)graphics;
  int width = getWidth();
  int height = getHeight();
  g.setColor(bgColor);
  g.fillRect(border, border, width - border * 2, height - border * 2);
  int maxKnobX = width - border - KNOB_WIDTH;
  int knobX = (int)((width - border * 2 - KNOB_WIDTH) * (value - sliderMin) / (sliderMax - sliderMin)) + border;
  g.setColor(knobColor);
  g.fillRect(Math.max(border, Math.min(maxKnobX, knobX)), 0, KNOB_WIDTH, height);
  float displayValue = (int)(value * 10) / 10f;
  String label = displayValue == (int)displayValue ? String.valueOf((int)displayValue) : String.valueOf(displayValue);
  FontMetrics metrics = g.getFontMetrics();
  int labelWidth = metrics.stringWidth(label);
  g.setColor(Color.white);
  g.drawString(label, width / 2 - labelWidth / 2, height / 2 + metrics.getAscent() / 2);
}

代码示例来源：origin: plantuml/plantuml

public int getAscent(Font font){
  fakeGraphics.setFont(font);
  FontMetrics metrics = fakeGraphics.getFontMetrics();
  if(DEBUG) System.out.println("Ascent: "+metrics.getAscent());
  return metrics.getAscent();
}

代码示例来源：origin: locationtech/jts

public static void drawStringAlignCenter(Graphics2D g2d, String s, int x, int y) {
  int stringLen = (int) g2d.getFontMetrics().getStringBounds(s, g2d).getWidth();
  g2d.drawString(s, x - stringLen /2, y); 

 }
}

代码示例来源：origin: runelite/runelite

private void drawMapIcons(BufferedImage image, int drawBaseX, int drawBaseY, Region region, int z)
{
  int baseX = region.getBaseX();
  int baseY = region.getBaseY();
  Graphics2D graphics = image.createGraphics();
  drawMapIcons(graphics, region, z, drawBaseX, drawBaseY);
  if (labelRegions)
  {
    graphics.setColor(Color.WHITE);
    String str = baseX + "," + baseY + " (" + region.getRegionX() + "," + region.getRegionY() + ")";
    graphics.drawString(str, drawBaseX * MAP_SCALE, drawBaseY * MAP_SCALE + graphics.getFontMetrics().getHeight());
  }
  if (outlineRegions)
  {
    graphics.setColor(Color.WHITE);
    graphics.drawRect(drawBaseX * MAP_SCALE, drawBaseY * MAP_SCALE, Region.X * MAP_SCALE, Region.Y * MAP_SCALE);
  }
  graphics.dispose();
}

代码示例来源：origin: stackoverflow.com

Graphics2D g2d = (Graphics2D) g;
   FontMetrics fm = g2d.getFontMetrics();
   Rectangle2D r = fm.getStringBounds(stringTime, g2d);
   int x = (this.getWidth() - (int) r.getWidth()) / 2;
   int y = (this.getHeight() - (int) r.getHeight()) / 2 + fm.getAscent();
   g.drawString(stringTime, x, y);

代码示例来源：origin: runelite/runelite

final FontMetrics metrics = graphics.getFontMetrics();
final int progressTextX = barX + (width - metrics.stringWidth(textToWrite)) / 2;
final int progressTextY = barY + ((height - metrics.getHeight()) / 2) + metrics.getHeight();
final int progressFill = (int) (width * pc);
graphics.setColor(backgroundColor);
graphics.fillRect(barX, barY, width, height);
graphics.setColor(foregroundColor);
graphics.fillRect(barX, barY, progressFill, height);

代码示例来源：origin: runelite/runelite

@Override
  public Dimension render(Graphics2D graphics)
  {
    if (!config.drawFps())
    {
      return null;
    }
    
    final String text = client.getFPS() + FPS_STRING;
    final int textWidth = graphics.getFontMetrics().stringWidth(text);
    final int textHeight = graphics.getFontMetrics().getAscent() - graphics.getFontMetrics().getDescent();

    final int width = (int) client.getRealDimensions().getWidth();
    final Point point = new Point(width - textWidth - VALUE_X_OFFSET, textHeight + Y_OFFSET);
    OverlayUtil.renderTextLocation(graphics, point, text, getFpsValueColor());

    return null;
  }
}

代码示例来源：origin: plantuml/plantuml

final Color extended = mapper.getMappedColor(fontConfiguration.getExtendedColor());
  if (extended != null) {
    g2d.setColor(extended);
    g2d.setBackground(extended);
    g2d.fill(new Rectangle2D.Double(x, y - dimBack.getHeight() + 1.5, dimBack.getWidth(), dimBack
visible.ensureVisible(x + dimBack.getWidth(), y + 1.5);
g2d.setFont(font.getFont());
g2d.setColor(mapper.getMappedColor(fontConfiguration.getColor()));
final TextLayout t = new TextLayout(shape.getText(), font.getFont(), fontRenderContext);
g2d.translate(x, y);
  final HtmlColor extended = fontConfiguration.getExtendedColor();
  if (extended != null) {
    g2d.setColor(mapper.getMappedColor(extended));
  final FontMetrics fm = g2d.getFontMetrics(font.getFont());
  final int ypos = (int) (y - fm.getDescent() - 0.5);
  final HtmlColor extended = fontConfiguration.getExtendedColor();

代码示例来源：origin: kevin-wayne/algs4

/**
 * Write the given text string in the current font, left-aligned at (<em>x</em>, <em>y</em>).
 * @param  x the <em>x</em>-coordinate of the text
 * @param  y the <em>y</em>-coordinate of the text
 * @param  text the text
 */
public static void textLeft(double x, double y, String text) {
  if (text == null) throw new IllegalArgumentException();
  offscreen.setFont(font);
  FontMetrics metrics = offscreen.getFontMetrics();
  double xs = scaleX(x);
  double ys = scaleY(y);
  int hs = metrics.getDescent();
  offscreen.drawString(text, (float) xs, (float) (ys + hs));
  draw();
}

代码示例来源：origin: runelite/runelite

private void renderIconsAndCounters(Graphics2D graphics, int x, int y, Image image, String counterText, int counterPadding)
  {
    final int widthOfCounter = graphics.getFontMetrics().stringWidth(counterText);
    final int centerText = (WIDTH - PADDING) / 2 - (widthOfCounter / 2);

    if (config.enableCounter())
    {
      graphics.setFont(FontManager.getRunescapeSmallFont());
      textComponent.setColor(Color.WHITE);
      textComponent.setText(counterText);
      textComponent.setPosition(new java.awt.Point(x + centerText + counterPadding, y + COUNTER_ICON_HEIGHT));
    }
    else
    {
      textComponent.setText("");
    }

    if (config.enableSkillIcon())
    {
      graphics.drawImage(image, x + ICON_AND_COUNTER_OFFSET_X + PADDING, y + ICON_AND_COUNTER_OFFSET_Y - image.getWidth(null), null);
      textComponent.setPosition(new java.awt.Point(x + centerText + counterPadding, y + SKILL_ICON_HEIGHT));
    }

    textComponent.render(graphics);
  }
}

代码示例来源：origin: apache/geode

g.draw(path);
 g.fillArc(startX, y - CIRCLE_WIDTH / 2, CIRCLE_WIDTH, CIRCLE_WIDTH, 0, 360);
 g.drawString(label, startX + LABEL_OFFSET, y - LABEL_OFFSET);
} else {
 int startX = x1;
 path.lineTo(endX + ARROW_WIDTH, y + ARROW_WIDTH);
 g.draw(path);
 int labelWidth = g.getFontMetrics().stringWidth(label);
 g.fillArc(startX - CIRCLE_WIDTH / 2, y - CIRCLE_WIDTH / 2, CIRCLE_WIDTH, CIRCLE_WIDTH, 0,
   360);
 g.drawString(label, startX - LABEL_OFFSET - labelWidth, y - LABEL_OFFSET);

代码示例来源：origin: libgdx/libgdx

protected void paintComponent (Graphics graphics) {
  super.paintComponent(graphics);
  Graphics2D g = (Graphics2D)graphics;
  int width = getWidth();
  int height = getHeight();
  g.setColor(bgColor);
  g.fillRect(border, border, width - border * 2, height - border * 2);
  int maxKnobX = width - border - KNOB_WIDTH;
  int knobX = (int)((width - border * 2 - KNOB_WIDTH) * (value - sliderMin) / (sliderMax - sliderMin)) + border;
  g.setColor(knobColor);
  g.fillRect(Math.max(border, Math.min(maxKnobX, knobX)), 0, KNOB_WIDTH, height);
  float displayValue = (int)(value * 10) / 10f;
  String label = displayValue == (int)displayValue ? String.valueOf((int)displayValue) : String.valueOf(displayValue);
  FontMetrics metrics = g.getFontMetrics();
  int labelWidth = metrics.stringWidth(label);
  g.setColor(Color.white);
  g.drawString(label, width / 2 - labelWidth / 2, height / 2 + metrics.getAscent() / 2);
}

代码示例来源：origin: org.netbeans.modules/org-netbeans-lib-profiler-ui

protected void drawVerticalAxisLegendItem(Graphics2D g2, int y, String string) {
  int legendWidth = (int) g2.getFontMetrics().getStringBounds(string, g2).getWidth();
  int legendHeight = vertLegendHeight;
  int legendX = vertAxisWidth - legendWidth - 5;
  int legendY = Math.max((y + (legendHeight / 2)) - 2, (2 * legendHeight) + 3);
  g2.drawString(string, legendX, legendY);
}

代码示例来源：origin: pentaho/pentaho-kettle

public Point textExtent( String text ) {
 String[] lines = text.split( Const.CR );
 int maxWidth = 0;
 for ( String line : lines ) {
  Rectangle2D bounds = TextUtilities.getTextBounds( line, gc, gc.getFontMetrics() );
  if ( bounds.getWidth() > maxWidth ) {
   maxWidth = (int) bounds.getWidth();
  }
 }
 int height = gc.getFontMetrics().getHeight() * lines.length;
 return new Point( maxWidth, height );
}

代码示例来源：origin: runelite/runelite

final FontMetrics metrics = graphics.getFontMetrics();
final int textDescent = metrics.getDescent();
final int textHeight = metrics.getHeight();
backgroundComponent.setRectangle(tooltipBackground);
backgroundComponent.render(graphics);
graphics.setColor(Color.WHITE);
      textComponent.render(graphics);
      lineX += metrics.stringWidth(text);
        textComponent.render(graphics);
        lineX += metrics.stringWidth(text);

代码示例来源：origin: runelite/runelite

@Override
  public Dimension render(Graphics2D graphics)
  {
    graphics.translate(preferredLocation.x, preferredLocation.y);
    final FontMetrics metrics = graphics.getFontMetrics();
    final TextComponent titleComponent = new TextComponent();
    titleComponent.setText(text);
    titleComponent.setColor(color);
    titleComponent.setPosition(new Point((preferredSize.width - metrics.stringWidth(text)) / 2, metrics.getHeight()));
    final Dimension dimension = titleComponent.render(graphics);
    graphics.translate(-preferredLocation.x, -preferredLocation.y);
    return new Dimension(preferredSize.width, dimension.height);
  }
}

代码示例来源：origin: kevin-wayne/algs4

/**
 * Writes the given text string in the current font, left-aligned at (x, y).
 *
 * @param x the x-coordinate of the text
 * @param y the y-coordinate of the text
 * @param s the text
 */
public void textLeft(double x, double y, String s) {
  offscreen.setFont(font);
  FontMetrics metrics = offscreen.getFontMetrics();
  double xs = scaleX(x);
  double ys = scaleY(y);
  // int ws = metrics.stringWidth(s);
  int hs = metrics.getDescent();
  offscreen.drawString(s, (float) xs, (float) (ys + hs));
  draw();
}

代码示例来源：origin: runelite/runelite

graphics.setFont(getSize() < DEFAULT_SIZE ? FontManager.getRunescapeSmallFont() : FontManager.getRunescapeFont());
graphics.translate(preferredLocation.x, preferredLocation.y);
final FontMetrics metrics = graphics.getFontMetrics();
final int size = getSize();
final Rectangle bounds = new Rectangle(size, size);
textComponent.setColor(color);
textComponent.setText(text);
textComponent.setPosition(new Point(((size - metrics.stringWidth(text)) / 2), size - SEPARATOR));
textComponent.render(graphics);

代码示例来源：origin: stanfordnlp/CoreNLP

protected FontMetrics pickFont(Graphics2D g2, Tree tree, Dimension space) {
 Font font = g2.getFont();
 String fontName = font.getName();
 int style = font.getStyle();
 for (int size = maxFontSize; size > minFontSize; size--) {
  font = new Font(fontName, style, size);
  g2.setFont(font);
  FontMetrics fontMetrics = g2.getFontMetrics();
  if (height(tree, fontMetrics) > space.getHeight()) {
   continue;
  }
  if (width(tree, fontMetrics) > space.getWidth()) {
   continue;
  }
  //System.out.println("Chose: "+size+" for space: "+space.getWidth());
  return fontMetrics;
 }
 font = new Font(fontName, style, minFontSize);
 g2.setFont(font);
 return g2.getFontMetrics();
}

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