drawEtchedRect()
*
* @return the inset of an etched rect
*/
public static Insets getEtchedInsets() {
return ETCHED_INSETS;
}
/**
* Draws a groove.
*
* @param g an instance of {@code Graphics}
* @param x an X coordinate
* @param y an Y coordinate
* @param w a width
* @param h a height
* @param shadow a color of shadow
* @param highlight a color highlighting
*/
public static void drawGroove(Graphics g, int x, int y, int w, int h,
Color shadow, Color highlight)
{
Color oldColor = g.getColor(); // Make no net change to g
g.translate(x, y);
g.setColor(shadow);
g.drawRect(0, 0, w-2, h-2);
g.setColor(highlight);
g.drawLine(1, h-3, 1, 1);
g.drawLine(1, 1, w-3, 1);
g.drawLine(0, h-1, w-1, h-1);
g.drawLine(w-1, h-1, w-1, 0);
g.translate(-x, -y);
g.setColor(oldColor);
}
/**
* Returns the amount of space taken up by a border drawn by
* drawGroove()
*
* @return the inset of a groove border
*/
public static Insets getGrooveInsets() {
return GROOVE_INSETS;
}
/**
* Draws a bezel.
*
* @param g an instance of {@code Graphics}
* @param x an X coordinate
* @param y an Y coordinate
* @param w a width
* @param h a height
* @param isPressed is component pressed
* @param isDefault is default drawing
* @param shadow a color of shadow
* @param darkShadow a color of dark shadow
* @param highlight a color highlighting
* @param lightHighlight a color of light highlighting
*/
public static void drawBezel(Graphics g, int x, int y, int w, int h,
boolean isPressed, boolean isDefault,
Color shadow, Color darkShadow,
Color highlight, Color lightHighlight)
{
Color oldColor = g.getColor(); // Make no net change to g
g.translate(x, y);
if (isPressed && isDefault) {
g.setColor(darkShadow);
g.drawRect(0, 0, w - 1, h - 1);
g.setColor(shadow);
g.drawRect(1, 1, w - 3, h - 3);
} else if (isPressed) {
drawLoweredBezel(g, x, y, w, h,
shadow, darkShadow, highlight, lightHighlight);
} else if (isDefault) {
g.setColor(darkShadow);
g.drawRect(0, 0, w-1, h-1);
g.setColor(lightHighlight);
g.drawLine(1, 1, 1, h-3);
g.drawLine(2, 1, w-3, 1);
g.setColor(highlight);
g.drawLine(2, 2, 2, h-4);
g.drawLine(3, 2, w-4, 2);
g.setColor(shadow);
g.drawLine(2, h-3, w-3, h-3);
g.drawLine(w-3, 2, w-3, h-4);
g.setColor(darkShadow);
g.drawLine(1, h-2, w-2, h-2);
g.drawLine(w-2, h-2, w-2, 1);
} else {
g.setColor(lightHighlight);
g.drawLine(0, 0, 0, h-1);
g.drawLine(1, 0, w-2, 0);
g.setColor(highlight);
g.drawLine(1, 1, 1, h-3);
g.drawLine(2, 1, w-3, 1);
g.setColor(shadow);
g.drawLine(1, h-2, w-2, h-2);
g.drawLine(w-2, 1, w-2, h-3);
g.setColor(darkShadow);
g.drawLine(0, h-1, w-1, h-1);
g.drawLine(w-1, h-1, w-1, 0);
}
g.translate(-x, -y);
g.setColor(oldColor);
}
/**
* Draws a lowered bezel.
*
* @param g an instance of {@code Graphics}
* @param x an X coordinate
* @param y an Y coordinate
* @param w a width
* @param h a height
* @param shadow a color of shadow
* @param darkShadow a color of dark shadow
* @param highlight a color highlighting
* @param lightHighlight a color of light highlighting
*/
public static void drawLoweredBezel(Graphics g, int x, int y, int w, int h,
Color shadow, Color darkShadow,
Color highlight, Color lightHighlight) {
g.setColor(darkShadow);
g.drawLine(0, 0, 0, h-1);
g.drawLine(1, 0, w-2, 0);
g.setColor(shadow);
g.drawLine(1, 1, 1, h-2);
g.drawLine(1, 1, w-3, 1);
g.setColor(lightHighlight);
g.drawLine(0, h-1, w-1, h-1);
g.drawLine(w-1, h-1, w-1, 0);
g.setColor(highlight);
g.drawLine(1, h-2, w-2, h-2);
g.drawLine(w-2, h-2, w-2, 1);
}
/**
* Draw a string with the graphics {@code g} at location (x,y)
* just like {@code g.drawString} would. The first occurrence
* of {@code underlineChar} in text will be underlined.
* The matching algorithm is not case sensitive.
*
* @param g an instance of {@code Graphics}
* @param text a text
* @param underlinedChar an underlined char
* @param x an X coordinate
* @param y an Y coordinate
*/
public static void drawString(Graphics g,String text,int underlinedChar,int x,int y) {
int index=-1;
if (underlinedChar != '\0') {
char uc = Character.toUpperCase((char)underlinedChar);
char lc = Character.toLowerCase((char)underlinedChar);
int uci = text.indexOf(uc);
int lci = text.indexOf(lc);
if(uci == -1) {
index = lci;
}
else if(lci == -1) {
index = uci;
}
else {
index = (lci < uci) ? lci : uci;
}
}
drawStringUnderlineCharAt(g, text, index, x, y);
}
/**
* Draw a string with the graphics g at location
* (x, y)
* just like g.drawString would.
* The character at index underlinedIndex
* in text will be underlined. If index is beyond the
* bounds of text (including < 0), nothing will be
* underlined.
*
* @param g Graphics to draw with
* @param text String to draw
* @param underlinedIndex Index of character in text to underline
* @param x x coordinate to draw at
* @param y y coordinate to draw at
* @since 1.4
*/
public static void drawStringUnderlineCharAt(Graphics g, String text,
int underlinedIndex, int x,int y) {
SwingUtilities2.drawStringUnderlineCharAt(null, g, text,
underlinedIndex, x, y);
}
/**
* Draws dashed rectangle.
*
* @param g an instance of {@code Graphics}
* @param x an X coordinate
* @param y an Y coordinate
* @param width a width of rectangle
* @param height a height of rectangle
*/
public static void drawDashedRect(Graphics g,int x,int y,int width,int height) {
int vx,vy;
// draw upper and lower horizontal dashes
for (vx = x; vx < (x + width); vx+=2) {
g.fillRect(vx, y, 1, 1);
g.fillRect(vx, y + height-1, 1, 1);
}
// draw left and right vertical dashes
for (vy = y; vy < (y + height); vy+=2) {
g.fillRect(x, vy, 1, 1);
g.fillRect(x+width-1, vy, 1, 1);
}
}
/**
* Returns the preferred size of the button.
*
* @param b an instance of {@code AbstractButton}
* @param textIconGap a gap between text and icon
* @return the preferred size of the button
*/
public static Dimension getPreferredButtonSize(AbstractButton b, int textIconGap)
{
if(b.getComponentCount() > 0) {
return null;
}
Icon icon = b.getIcon();
String text = b.getText();
Font font = b.getFont();
FontMetrics fm = b.getFontMetrics(font);
Rectangle iconR = new Rectangle();
Rectangle textR = new Rectangle();
Rectangle viewR = new Rectangle(Short.MAX_VALUE, Short.MAX_VALUE);
SwingUtilities.layoutCompoundLabel(
b, fm, text, icon,
b.getVerticalAlignment(), b.getHorizontalAlignment(),
b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
viewR, iconR, textR, (text == null ? 0 : textIconGap)
);
/* The preferred size of the button is the size of
* the text and icon rectangles plus the buttons insets.
*/
Rectangle r = iconR.union(textR);
Insets insets = b.getInsets();
r.width += insets.left + insets.right;
r.height += insets.top + insets.bottom;
return r.getSize();
}
/*
* Convenience function for determining ComponentOrientation. Helps us
* avoid having Munge directives throughout the code.
*/
static boolean isLeftToRight( Component c ) {
return c.getComponentOrientation().isLeftToRight();
}
static boolean isMenuShortcutKeyDown(InputEvent event) {
return (event.getModifiersEx() &
Toolkit.getDefaultToolkit().getMenuShortcutKeyMaskEx()) != 0;
}
/**
* Draws the given string at the specified location using text properties
* and anti-aliasing hints from the provided component.
* Nothing is drawn for the null string.
*
* @param c the component that will display the string, may be null
* @param g the graphics context, must not be null
* @param string the string to display, may be null
* @param x the x coordinate to draw the text at
* @param y the y coordinate to draw the text at
* @throws NullPointerException if the specified {@code g} is {@code null}
*
* @since 9
*/
public static void drawString(JComponent c, Graphics2D g, String string,
float x, float y) {
SwingUtilities2.drawString(c, g, string, x, y, true);
}
/**
* Draws the given string at the specified location underlining
* the specified character. The provided component is used to query text
* properties and anti-aliasing hints.
* * The {@code underlinedIndex} parameter points to a char value * (Unicode code unit) in the given string. * If the char value specified at the underlined index is in * the high-surrogate range and the char value at the following index is in * the low-surrogate range then the supplementary character corresponding * to this surrogate pair is underlined. *
* No character is underlined if the index is negative or greater * than the string length {@code (index < 0 || index >= string.length())} * or if the char value specified at the given index * is in the low-surrogate range. * * @param c the component that will display the string, may be null * @param g the graphics context, must not be null * @param string the string to display, may be null * @param underlinedIndex index of a a char value (Unicode code unit) * in the string to underline * @param x the x coordinate to draw the text at * @param y the y coordinate to draw the text at * @throws NullPointerException if the specified {@code g} is {@code null} * * @see #getStringWidth * * @since 9 */ public static void drawStringUnderlineCharAt(JComponent c, Graphics2D g, String string, int underlinedIndex, float x, float y) { SwingUtilities2.drawStringUnderlineCharAt(c, g, string, underlinedIndex, x, y, true); } /** * Clips the passed in string to the space provided. * The provided component is used to query text properties and anti-aliasing hints. * The unchanged string is returned if the space provided is greater than * the string width. * * @param c the component, may be null * @param fm the FontMetrics used to measure the string width, must be * obtained from the correct font and graphics. Must not be null. * @param string the string to clip, may be null * @param availTextWidth the amount of space that the string can be drawn in * @return the clipped string that fits in the provided space, an empty * string if the given string argument is {@code null} or empty * @throws NullPointerException if the specified {@code fm} is {@code null} * * @see #getStringWidth * * @since 9 */ public static String getClippedString(JComponent c, FontMetrics fm, String string, int availTextWidth) { return SwingUtilities2.clipStringIfNecessary(c, fm, string, availTextWidth); } /** * Returns the width of the passed in string using text properties * and anti-aliasing hints from the provided component. * If the passed string is {@code null}, returns zero. * * @param c the component, may be null * @param fm the FontMetrics used to measure the advance string width, must * be obtained from the correct font and graphics. Must not be null. * @param string the string to get the advance width of, may be null * @return the advance width of the specified string, zero is returned for * {@code null} string * @throws NullPointerException if the specified {@code fm} is {@code null} * * @since 9 */ public static float getStringWidth(JComponent c, FontMetrics fm, String string) { return SwingUtilities2.stringWidth(c, fm, string, true); } }