+ * For platform-independent behaviour, use the get and set methods + * corresponding to the following properties: + *
FontData
+ * corresponds to a Windows LOGFONT structure whose fields
+ * may be retrieved and modified.FontData correspond
+ * to the entries in the font's XLFD name and may be retrieved and modified.
+ * dispose() method is provided.
+ *
+ * @see Font
+ */
+public final class FontData {
+ /**
+ * the font name
+ */
+ String name;
+
+ /**
+ * The height of the font data in points
+ */
+ int height;
+
+ /**
+ * the font style
+ */
+ int style;
+
+ /**
+ * The locales of the font
+ */
+ String lang, country, variant;
+
+ QtSupplementaryFontData extraFontData;
+ String xlfd;
+
+
+
+
+
+/**
+ * Constructs a new uninitialized font data.
+ */
+public FontData () {
+ this("", Device.FONT_DEF_HEIGHT, SWT.NORMAL);
+}
+
+//The characters in the string must all be decimal digits
+// the value must be given with radix 10
+
+/**
+ * Constructs a new FontData given a string representation
+ * in the form generated by the FontData.toString
+ * method.
+ * + * Note that the representation varies between platforms, + * and a FontData can only be created from a string that was + * generated on the same platform. + *
+ * + * @param string the string representation of aFontData (must not be null)
+ *
+ * @exception IllegalArgumentException true if the object is the same as this object and false otherwise
+ *
+ * @see #hashCode
+ */
+ public boolean equals(Object object) {
+ if (object == this)
+ return true;
+ if (!(object instanceof FontData))
+ return false;
+
+ FontData data = (FontData) object;
+
+ if (!((xlfd == null && data.xlfd == null) || (xlfd != null && data.xlfd != null)))
+ return false;
+
+ if (!((extraFontData == null && data.extraFontData == null) || (extraFontData != null && data.extraFontData != null)))
+ return false;
+
+ if (xlfd != null) {
+ return xlfd.trim().equals(data.xlfd.trim());
+ }
+
+ boolean mainFontStyleEqual = name.equals(data.name)
+ && height == data.height && style == data.style;
+ if (mainFontStyleEqual && extraFontData != null) {
+ return mainFontStyleEqual
+ && extraFontData.underline == data.extraFontData.underline
+ && extraFontData.overline == data.extraFontData.overline
+ && extraFontData.strikeOut == data.extraFontData.strikeOut
+ && extraFontData.stretch == data.extraFontData.stretch
+ && extraFontData.fixedPitch == data.extraFontData.fixedPitch
+ && extraFontData.style == data.extraFontData.style
+ && extraFontData.weight == data.extraFontData.weight
+ && extraFontData.styleStrategy == data.extraFontData.styleStrategy;
+ } else {
+ return mainFontStyleEqual;
+ }
+ }
+
+/**
+ * Returns the height of the receiver in points.
+ *
+ * @return the height of this FontData
+ *
+ * @see #setHeight(int)
+ */
+public int getHeight() {
+ return height;
+}
+
+/**
+ * Returns the locale of the receiver.
+ * + * The locale determines which platform character set this + * font is going to use. Widgets and graphics operations that + * use this font will convert UNICODE strings to the platform + * character set of the specified locale. + *
+ *+ * On platforms where there are multiple character sets for a + * given language/country locale, the variant portion of the + * locale will determine the character set. + *
+ * + * @return theString representing a Locale object
+ * @since 3.0
+ */
+public String getLocale () {
+ StringBuffer buffer = new StringBuffer ();
+ char sep = '_';
+ if (lang != null) {
+ buffer.append (lang);
+ buffer.append (sep);
+ }
+ if (country != null) {
+ buffer.append (country);
+ buffer.append (sep);
+ }
+ if (variant != null) {
+ buffer.append (variant);
+ }
+
+ String result = buffer.toString ();
+ int length = result.length ();
+ if (length > 0) {
+ if (result.charAt (length - 1) == sep) {
+ result = result.substring (0, length - 1);
+ }
+ }
+ return result;
+}
+
+/**
+ * Returns the name of the receiver.
+ * On platforms that support font foundries, the return value will
+ * be the foundry followed by a dash ("-") followed by the face name.
+ *
+ * @return the name of this FontData
+ *
+ * @see #setName
+ */
+public String getName() {
+ return name;
+}
+
+/**
+ * Returns the style of the receiver which is a bitwise OR of
+ * one or more of the SWT constants NORMAL, BOLD
+ * and ITALIC.
+ *
+ * @return the style of this FontData
+ *
+ * @see #setStyle
+ */
+public int getStyle() {
+ return style;
+}
+
+/**
+ * Returns an integer hash code for the receiver. Any two
+ * objects that return true when passed to
+ * equals must return the same value for this
+ * method.
+ *
+ * @return the receiver's hash
+ *
+ * @see #equals
+ */
+public int hashCode () {
+ return name.hashCode() ^ height ^ style;
+}
+
+
+ void parseFontDescriptor(String string) {
+ int start = 0;
+ int end = string.indexOf('|');
+ if (end == -1)
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ String version1 = string.substring(start, end);
+ try {
+ if (Integer.parseInt(version1) != 1)
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ } catch (NumberFormatException e) {
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ }
+
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ String name = string.substring(start, end);
+
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ int height = 0;
+ try {
+ height = Integer.parseInt(string.substring(start, end));
+ } catch (NumberFormatException e) {
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ }
+
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ int style = 0;
+ try {
+ style = Integer.parseInt(string.substring(start, end));
+ } catch (NumberFormatException e) {
+ SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ }
+
+ start = end + 1;
+ end = string.indexOf('|', start);
+ setName(name);
+ setHeight(height);
+ setStyle(style);
+ if (end == -1)
+ return;
+ String platform = string.substring(start, end);
+
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ String version2 = string.substring(start, end);
+
+ if (platform.trim().toUpperCase().equals("QT") && version2.equals("1")) {
+ try {
+ extraFontData = new QtSupplementaryFontData();
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ extraFontData.underline = Integer.parseInt(string.substring(
+ start, end));
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ extraFontData.overline = Integer.parseInt(string.substring(
+ start, end));
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ extraFontData.strikeOut = Integer.parseInt(string.substring(
+ start, end));
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ int stretch = Integer.parseInt(string.substring(start, end));
+ if (stretch > 0) {
+ if (stretch > 4000) {
+ stretch = 4000;
+ }
+ extraFontData.stretch = stretch;
+ }
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1) {
+ extraFontData = null;
+ return;
+ }
+ extraFontData.fixedPitch = Integer.parseInt(string.substring(
+ start, end));
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ int fontStyle = Integer.parseInt(string.substring(start, end));
+ if (fontStyle == OS.QFONT_STYLE_NORMAL
+ || fontStyle == OS.QFONT_STYLE_ITALIC
+ || fontStyle == OS.QFONT_STYLE_OBLIQUE) {
+ extraFontData.style = fontStyle;
+ }
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ int weight = Integer.parseInt(string.substring(start, end));
+ if (weight > -1) {
+ if (weight > 99) {
+ weight = 99;
+ }
+ extraFontData.weight = weight;
+ }
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ int styleStrategy = Integer.parseInt(string.substring(start,
+ end));
+ int[] strategies = new int[] {
+ OS.QFONT_STYLESTRATEGY_PREFERDEFALUT,
+ OS.QFONT_STYLESTRATEGY_PREFERBITMAP,
+ OS.QFONT_STYLESTRATEGY_PREFERDEVICE,
+ OS.QFONT_STYLESTRATEGY_PREFEROUTLINE,
+ OS.QFONT_STYLESTRATEGY_FORCEOUTLINE,
+ OS.QFONT_STYLESTRATEGY_NOANTIALIAS,
+ OS.QFONT_STYLESTRATEGY_PREFERANTIALIAS,
+ OS.QFONT_STYLESTRATEGY_OPENGLCOMPATIABLE,
+ OS.QFONT_STYLESTRATEGY_NOFONTMERGING };
+ boolean isValidStrategy = (styleStrategy == OS.QFONT_STYLESTRATEGY_PREFERQUALITY || styleStrategy == OS.QFONT_STYLESTRATEGY_PREFERMATCH) ? true
+ : false;
+ for (int i = 0; i < strategies.length; i++) {
+ if ((styleStrategy & strategies[i]) == 0) {
+ continue;
+ } else {
+ if (styleStrategy == strategies[i]
+ || styleStrategy == (strategies[i] | OS.QFONT_STYLESTRATEGY_PREFERQUALITY)
+ || styleStrategy == (strategies[i] | OS.QFONT_STYLESTRATEGY_PREFERMATCH)) {
+ isValidStrategy = true;
+ }
+ break;
+ }
+ }
+ if (isValidStrategy) {
+ extraFontData.styleStrategy = styleStrategy;
+ }
+ } catch (NumberFormatException e) {
+ extraFontData = null;
+ }
+ } else if (platform.trim().toUpperCase().equals("X11")
+ && OS.windowServer == OS.WS_X11) {
+ start = end + 1;
+ end = string.indexOf('|', start);
+ if (end == -1)
+ return;
+ xlfd = string.substring(start, end);
+ if (xlfd.length() < 1) {
+ xlfd = null;
+ }
+ }
+
+ }
+
+
+/**
+ * Sets the height of the receiver. The parameter is
+ * specified in terms of points, where a point is one
+ * seventy-second of an inch.
+ *
+ * @param height the height of the FontData
+ *
+ * @exception IllegalArgumentException + * The locale determines which platform character set this + * font is going to use. Widgets and graphics operations that + * use this font will convert UNICODE strings to the platform + * character set of the specified locale. + *
+ *+ * On platforms where there are multiple character sets for a + * given language/country locale, the variant portion of the + * locale will determine the character set. + *
+ * + * @param locale theString representing a Locale object
+ * @see java.util.Locale#toString
+ */
+public void setLocale(String locale) {
+ lang = country = variant = null;
+ if (locale != null) {
+ char sep = '_';
+ int length = locale.length();
+ int firstSep, secondSep;
+
+ firstSep = locale.indexOf(sep);
+ if (firstSep == -1) {
+ firstSep = secondSep = length;
+ } else {
+ secondSep = locale.indexOf(sep, firstSep + 1);
+ if (secondSep == -1) secondSep = length;
+ }
+ if (firstSep > 0) lang = locale.substring(0, firstSep);
+ if (secondSep > firstSep + 1) country = locale.substring(firstSep + 1, secondSep);
+ if (length > secondSep + 1) variant = locale.substring(secondSep + 1);
+ }
+}
+
+/**
+ * Sets the name of the receiver.
+ * + * Some platforms support font foundries. On these platforms, the name + * of the font specified in setName() may have one of the following forms: + *
+ * On platforms that do not support font foundries, only the face name
+ * (for example, "courier") is used in setName() and
+ * getName().
+ *
SWT
+ * constants NORMAL, BOLD and ITALIC. All other style bits are
+ * ignored.
+ *
+ * @param style the new style for this FontData
+ *
+ * @see #getStyle
+ */
+public void setStyle(int style) {
+ this.style = style;
+}
+
+/**
+ * Returns a string representation of the receiver which is suitable
+ * for constructing an equivalent instance using the
+ * FontData(String) constructor.
+ *
+ * @return a string representation of the FontData
+ *
+ * @see FontData
+ */
+public String toString() {
+ StringBuffer buffer = new StringBuffer();
+ buffer.append("1|");
+ buffer.append(getName());
+ buffer.append("|");
+ buffer.append(getHeight());
+ buffer.append("|");
+ buffer.append(getStyle());
+ buffer.append("|");
+ if (xlfd != null) {
+ buffer.append("X11|1|");
+ buffer.append(xlfd);
+ buffer.append("|");
+ } else if (extraFontData != null) {
+ buffer.append("QT|1|");
+ buffer.append(extraFontData.overline);
+ buffer.append("|");
+ buffer.append(extraFontData.underline);
+ buffer.append("|");
+ buffer.append(extraFontData.strikeOut);
+ buffer.append("|");
+ buffer.append(extraFontData.stretch);
+ buffer.append("|");
+ buffer.append(extraFontData.fixedPitch);
+ buffer.append("|");
+ buffer.append(extraFontData.style);
+ buffer.append("|");
+ buffer.append(extraFontData.weight);
+ buffer.append("|");
+ buffer.append(extraFontData.styleStrategy);
+ buffer.append("|");
+ }
+ return buffer.toString();
+ }
+
+ void updateFontData() {
+ if (extraFontData == null && xlfd == null)
+ return;
+
+ boolean italic = (style & SWT.ITALIC) != 0;
+ int weight = OS.QT_FONTNORMAL;
+ if ((style & SWT.BOLD) != 0) {
+ weight = OS.QT_FONTBOLD;
+ }
+ int fontHandle = OS.QFont_new(name, height, weight, italic);
+
+ if (xlfd != null) {
+ OS.QFont_setRawName(fontHandle, xlfd);
+
+ } else {
+ if (extraFontData.underline > -1) {
+ OS.QFont_setUnderline(fontHandle,
+ extraFontData.underline > 0 ? true : false);
+ }
+ if (extraFontData.overline > -1) {
+ OS.QFont_setOverline(fontHandle,
+ extraFontData.overline > 0 ? true : false);
+ }
+ if (extraFontData.strikeOut > -1) {
+ OS.QFont_setStrikeOut(fontHandle,
+ extraFontData.strikeOut > 0 ? true : false);
+ }
+ if (extraFontData.stretch > -1) {
+ OS.QFont_setStretch(fontHandle, extraFontData.stretch);
+ }
+ if (extraFontData.fixedPitch > -1) {
+ OS.QFont_setFixedPitch(fontHandle,
+ extraFontData.fixedPitch > 0 ? true : false);
+ }
+ if (extraFontData.style > -1) {
+ OS.QFont_setStyle(fontHandle, extraFontData.style);
+ }
+ if (extraFontData.weight > -1) {
+ OS.QFont_setWeight(fontHandle, extraFontData.weight);
+ }
+ if (extraFontData.styleStrategy > -1) {
+ OS.QFont_setStyleStrategy(fontHandle,
+ extraFontData.styleStrategy);
+ }
+ }
+
+ name = OS.QFont_family(fontHandle);
+ height = OS.QFont_pointSize(fontHandle);
+ weight = OS.QFont_weight(fontHandle);
+ italic = OS.QFont_italic(fontHandle);
+ style = SWT.NORMAL;
+ if (weight > OS.QT_FONTNORMAL)
+ style |= SWT.BOLD;
+ if (italic == true)
+ style |= SWT.ITALIC;
+ if (extraFontData != null) {
+ extraFontData.underline = OS.QFont_underline(fontHandle) == true ? 1
+ : 0;
+ extraFontData.overline = OS.QFont_overline(fontHandle) == true ? 1
+ : 0;
+ extraFontData.strikeOut = OS.QFont_strikeOut(fontHandle) == true ? 1
+ : 0;
+ extraFontData.stretch = OS.QFont_stretch(fontHandle);
+ extraFontData.fixedPitch = OS.QFont_fixedPitch(fontHandle) == true ? 1
+ : 0;
+ extraFontData.style = OS.QFont_style(fontHandle);
+ extraFontData.weight = OS.QFont_weight(fontHandle);
+ extraFontData.styleStrategy = OS.QFont_styleStrategy(fontHandle);
+ OS.QFont_delete(fontHandle);
+ }
+ }
+}