--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/eswt_qt/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/graphics/FontData.java Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,655 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 IBM Corporation and others.
+ * Portion Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ * Nokia Corporation - Qt implementation
+ *******************************************************************************/
+package org.eclipse.swt.graphics;
+
+
+import org.eclipse.swt.*;
+import org.eclipse.swt.internal.qt.OS;
+import org.eclipse.swt.internal.qt.QtSupplementaryFontData;
+
+
+
+
+
+/**
+ * Instances of this class describe operating system fonts.
+ * <p>
+ * For platform-independent behaviour, use the get and set methods
+ * corresponding to the following properties:
+ * <dl>
+ * <dt>height</dt><dd>the height of the font in points</dd>
+ * <dt>name</dt><dd>the face name of the font, which may include the foundry</dd>
+ * <dt>style</dt><dd>A bitwise combination of NORMAL, ITALIC and BOLD</dd>
+ * </dl>
+ * If extra, platform-dependent functionality is required:
+ * <ul>
+ * <li>On <em>Windows</em>, the data member of the <code>FontData</code>
+ * corresponds to a Windows <code>LOGFONT</code> structure whose fields
+ * may be retrieved and modified.</li>
+ * <li>On <em>X</em>, the fields of the <code>FontData</code> correspond
+ * to the entries in the font's XLFD name and may be retrieved and modified.
+ * </ul>
+ * Application code does <em>not</em> need to explicitly release the
+ * resources managed by each instance when those instances are no longer
+ * required, and thus no <code>dispose()</code> 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 <code>FontData.toString</code>
+ * method.
+ * <p>
+ * Note that the representation varies between platforms,
+ * and a FontData can only be created from a string that was
+ * generated on the same platform.
+ * </p>
+ *
+ * @param string the string representation of a <code>FontData</code> (must not be null)
+ *
+ * @exception IllegalArgumentException <ul>
+ * <li>ERROR_NULL_ARGUMENT - if the argument is null</li>
+ * <li>ERROR_INVALID_ARGUMENT - if the argument does not represent a valid description</li>
+ * </ul>
+ *
+ * @see #toString
+ */
+public FontData(String string) {
+ if (string == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+ parseFontDescriptor(string);
+ updateFontData();
+
+}
+
+/**
+ * Constructs a new font data given a font name,
+ * the height of the desired font in points,
+ * and a font style.
+ *
+ * @param name the name of the font (must not be null)
+ * @param height the font height in points
+ * @param style a bit or combination of NORMAL, BOLD, ITALIC
+ *
+ * @exception IllegalArgumentException <ul>
+ * <li>ERROR_NULL_ARGUMENT - when the font name is null</li>
+ * <li>ERROR_INVALID_ARGUMENT - if the height is negative</li>
+ * </ul>
+ */
+public FontData(String name, int height, int style) {
+ if (name == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+ if (height < 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ setName(name);
+ setHeight(height);
+ setStyle(style);
+}
+
+/**
+ * Compares the argument to the receiver, and returns true
+ * if they represent the <em>same</em> object using a class
+ * specific comparison.
+ *
+ * @param object the object to compare with this object
+ * @return <code>true</code> if the object is the same as this object and <code>false</code> 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.
+ * <p>
+ * 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.
+ * </p>
+ * <p>
+ * 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.
+ * </p>
+ *
+ * @return the <code>String</code> 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 <code>FontData</code>
+ *
+ * @see #setName
+ */
+public String getName() {
+ return name;
+}
+
+/**
+ * Returns the style of the receiver which is a bitwise OR of
+ * one or more of the <code>SWT</code> constants NORMAL, BOLD
+ * and ITALIC.
+ *
+ * @return the style of this <code>FontData</code>
+ *
+ * @see #setStyle
+ */
+public int getStyle() {
+ return style;
+}
+
+/**
+ * Returns an integer hash code for the receiver. Any two
+ * objects that return <code>true</code> when passed to
+ * <code>equals</code> 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 <code>FontData</code>
+ *
+ * @exception IllegalArgumentException <ul>
+ * <li>ERROR_INVALID_ARGUMENT - if the height is negative</li>
+ * </ul>
+ *
+ * @see #getHeight
+ */
+public void setHeight(int height) {
+ if (height < 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+ this.height = height;
+}
+
+/**
+ * Sets the locale of the receiver.
+ * <p>
+ * 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.
+ * </p>
+ * <p>
+ * 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.
+ * </p>
+ *
+ * @param locale the <code>String</code> 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.
+ * <p>
+ * Some platforms support font foundries. On these platforms, the name
+ * of the font specified in setName() may have one of the following forms:
+ * <ol>
+ * <li>a face name (for example, "courier")</li>
+ * <li>a foundry followed by a dash ("-") followed by a face name (for example, "adobe-courier")</li>
+ * </ol>
+ * In either case, the name returned from getName() will include the
+ * foundry.
+ * </p>
+ * <p>
+ * On platforms that do not support font foundries, only the face name
+ * (for example, "courier") is used in <code>setName()</code> and
+ * <code>getName()</code>.
+ * </p>
+ *
+ * @param name the name of the font data (must not be null)
+ * @exception IllegalArgumentException <ul>
+ * <li>ERROR_NULL_ARGUMENT - when the font name is null</li>
+ * </ul>
+ *
+ * @see #getName
+ */
+public void setName(String name) {
+ if (name == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+ this.name = name;
+}
+
+/**
+ * Sets the style of the receiver to the argument which must
+ * be a bitwise OR of one or more of the <code>SWT</code>
+ * constants NORMAL, BOLD and ITALIC. All other style bits are
+ * ignored.
+ *
+ * @param style the new style for this <code>FontData</code>
+ *
+ * @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
+ * <code>FontData(String)</code> 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);
+ }
+ }
+}