本文整理汇总了Java中javax.swing.JComponent.getFontMetrics方法的典型用法代码示例。如果您正苦于以下问题：Java JComponent.getFontMetrics方法的具体用法？Java JComponent.getFontMetrics怎么用？Java JComponent.getFontMetrics使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.swing.JComponent的用法示例。
在下文中一共展示了JComponent.getFontMetrics方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testStringWidth
import javax.swing.JComponent; //导入方法依赖的package包/类
private static void testStringWidth() {
String str = "12345678910\u036F";
JComponent comp = createComponent(str);
Font font = comp.getFont();
FontMetrics fontMetrics = comp.getFontMetrics(font);
float stringWidth = BasicGraphicsUtils.getStringWidth(comp, fontMetrics, str);
if (stringWidth == fontMetrics.stringWidth(str)) {
throw new RuntimeException("Numeric shaper is not used!");
}
if (stringWidth != getLayoutWidth(str, font, NUMERIC_SHAPER)) {
throw new RuntimeException("Wrong text width!");
}
}
示例2: testStringClip
import javax.swing.JComponent; //导入方法依赖的package包/类
private static void testStringClip() {
String str = "1234567890";
JComponent comp = createComponent(str);
FontMetrics fontMetrics = comp.getFontMetrics(comp.getFont());
int width = (int) BasicGraphicsUtils.getStringWidth(comp, fontMetrics, str);
String clip = BasicGraphicsUtils.getClippedString(comp, fontMetrics, str, width);
checkClippedString(str, clip, str);
clip = BasicGraphicsUtils.getClippedString(comp, fontMetrics, str, width + 1);
checkClippedString(str, clip, str);
clip = BasicGraphicsUtils.getClippedString(comp, fontMetrics, str, -1);
checkClippedString(str, clip, "...");
clip = BasicGraphicsUtils.getClippedString(comp, fontMetrics, str, 0);
checkClippedString(str, clip, "...");
clip = BasicGraphicsUtils.getClippedString(comp, fontMetrics,
str, width - width / str.length());
int endIndex = str.length() - 3;
checkClippedString(str, clip, str.substring(0, endIndex) + "...");
}
示例3: checkNullArgumentsGetClippedString
import javax.swing.JComponent; //导入方法依赖的package包/类
private static void checkNullArgumentsGetClippedString(
JComponent comp, String text) {
FontMetrics fontMetrics = comp.getFontMetrics(comp.getFont());
BasicGraphicsUtils.getClippedString(null, fontMetrics, text, 1);
String result = BasicGraphicsUtils.getClippedString(comp, fontMetrics, null, 1);
if (!"".equals(result)) {
throw new RuntimeException("Empty string is not returned!");
}
try {
BasicGraphicsUtils.getClippedString(comp, null, text, 1);
} catch (NullPointerException e) {
return;
}
throw new RuntimeException("NPE is not thrown");
}
示例4: checkNullArgumentsGetStringWidth
import javax.swing.JComponent; //导入方法依赖的package包/类
private static void checkNullArgumentsGetStringWidth(JComponent comp,
String text) {
FontMetrics fontMetrics = comp.getFontMetrics(comp.getFont());
BasicGraphicsUtils.getStringWidth(null, fontMetrics, text);
float result = BasicGraphicsUtils.getStringWidth(comp, fontMetrics, null);
if (result != 0) {
throw new RuntimeException("The string length is not 0");
}
try {
BasicGraphicsUtils.getStringWidth(comp, null, text);
} catch (NullPointerException e) {
return;
}
throw new RuntimeException("NPE is not thrown");
}
示例5: getTxtFontMetrics
import javax.swing.JComponent; //导入方法依赖的package包/类
protected final FontMetrics getTxtFontMetrics() {
if (fm == null) {
JComponent control = getDisplayer();
fm = control.getFontMetrics(getTxtFont());
}
return fm;
}
示例6: computeWidth
import javax.swing.JComponent; //导入方法依赖的package包/类
/** Computes width of string up to maxCharCount, with font of given JComponent
* and with maximum percentage of owning Window that can be taken */
private static int computeWidth (JComponent comp, int maxCharCount, int percent) {
FontMetrics fm = comp.getFontMetrics(comp.getFont());
int charW = fm.charWidth('X');
int result = charW * maxCharCount;
// limit width to 50% of containing window
Window w = SwingUtilities.windowForComponent(comp);
if (w != null) {
result = Math.min(result, w.getWidth() * percent / 100);
}
return result;
}
示例7: computeFitText
import javax.swing.JComponent; //导入方法依赖的package包/类
public static String computeFitText(JComponent component, int maxWidth, String text, boolean bold) {
if (text == null) {
text = ""; // NOI18N
}
if (text.length() <= VISIBLE_START_CHARS + 3) {
return text;
}
FontMetrics fm;
if (bold) {
fm = component.getFontMetrics(component.getFont().deriveFont(Font.BOLD));
} else {
fm = component.getFontMetrics(component.getFont());
}
int width = maxWidth;
String sufix = "..."; // NOI18N
int sufixLength = fm.stringWidth(sufix + " "); //NOI18N
int desired = width - sufixLength;
if (desired <= 0) {
return text;
}
for (int i = 0; i <= text.length() - 1; i++) {
String prefix = text.substring(0, i);
int swidth = fm.stringWidth(prefix);
if (swidth >= desired) {
if (fm.stringWidth(text.substring(i + 1)) <= fm.stringWidth(sufix)) {
return text;
}
return prefix.length() > 0 ? prefix + sufix : text;
}
}
return text;
}
示例8: testDrawString
import javax.swing.JComponent; //导入方法依赖的package包/类
private static void testDrawString(boolean underlined) {
String str = "AOB";
JComponent comp = createComponent(str);
BufferedImage buffImage = createBufferedImage(WIDTH, HEIGHT);
Graphics2D g2 = buffImage.createGraphics();
g2.setColor(DRAW_COLOR);
g2.setFont(comp.getFont());
FontMetrics fontMetrices = comp.getFontMetrics(comp.getFont());
float width = BasicGraphicsUtils.getStringWidth(comp, fontMetrices, str);
float x = (WIDTH - width) / 2;
int y = 3 * HEIGHT / 4;
if (underlined) {
BasicGraphicsUtils.drawStringUnderlineCharAt(comp, g2, str, 1, x, y);
} else {
BasicGraphicsUtils.drawString(comp, g2, str, x, y);
}
g2.dispose();
float xx = BasicGraphicsUtils.getStringWidth(comp, fontMetrices, "A") +
BasicGraphicsUtils.getStringWidth(comp, fontMetrices, "O")/2;
checkImageContainsSymbol(buffImage, (int) xx, underlined ? 3 : 2);
}
示例9: getColumnWidthInPixels
import javax.swing.JComponent; //导入方法依赖的package包/类
public static int getColumnWidthInPixels(String str, JComponent comp) {
FontMetrics fm = comp.getFontMetrics(comp.getFont());
return fm.stringWidth(str);
}