--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/graphics/Font.d	Mon Jan 07 01:49:53 2008 +0100
@@ -0,0 +1,303 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 IBM Corporation and others.
+ * 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
+ *******************************************************************************/
+module dwt.graphics.Font;
+
+
+import dwt.SWT;
+import dwt.graphics.Resource;
+import dwt.graphics.FontData;
+//import dwt.graphics.Device;
+import dwt.internal.Converter;
+import dwt.internal.gtk.OS;
+import dwt.internal.gtk.c.pangotypes;
+
+import tango.text.convert.Format;
+import tango.stdc.stringz;
+
+/**
+ * Instances of this class manage operating system resources that
+ * define how text looks when it is displayed. Fonts may be constructed
+ * by providing a device and either name, size and style information
+ * or a <code>FontData</code> object which encapsulates this data.
+ * <p>
+ * Application code must explicitly invoke the <code>Font.dispose()</code>
+ * method to release the operating system resources managed by each instance
+ * when those instances are no longer required.
+ * </p>
+ *
+ * @see FontData
+ */
+public final class Font : Resource {
+	/**
+	 * the handle to the OS font resource
+	 * (Warning: This field is platform dependent)
+	 * <p>
+	 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
+	 * public API. It is marked public only so that it can be shared
+	 * within the packages provided by SWT. It is not available on all
+	 * platforms and should never be accessed from application code.
+	 * </p>
+	 */
+	public PangoFontDescription* handle;
+
+this() {
+}
+
+/**
+ * Constructs a new font given a device and font data
+ * which describes the desired font's appearance.
+ * <p>
+ * You must dispose the font when it is no longer required.
+ * </p>
+ *
+ * @param device the device to create the font on
+ * @param fd the FontData that describes the desired font (must not be null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
+ *    <li>ERROR_NULL_ARGUMENT - if the fd argument is null</li>
+ * </ul>
+ * @exception SWTError <ul>
+ *    <li>ERROR_NO_HANDLES - if a font could not be created from the given font data</li>
+ * </ul>
+ */
+public this(Device device, FontData fd) {
+	if (device is null) device = Device.getDevice();
+	if (device is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	if (fd is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	init(device, fd.getName(), fd.getHeightF(), fd.getStyle(), fd.str);
+	if (device.tracking) device.new_Object(this);
+}
+
+/**
+ * Constructs a new font given a device and an array
+ * of font data which describes the desired font's
+ * appearance.
+ * <p>
+ * You must dispose the font when it is no longer required.
+ * </p>
+ *
+ * @param device the device to create the font on
+ * @param fds the array of FontData that describes the desired font (must not be null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
+ *    <li>ERROR_NULL_ARGUMENT - if the fds argument is null</li>
+ *    <li>ERROR_INVALID_ARGUMENT - if the length of fds is zero</li>
+ *    <li>ERROR_NULL_ARGUMENT - if any fd in the array is null</li>
+ * </ul>
+ * @exception SWTError <ul>
+ *    <li>ERROR_NO_HANDLES - if a font could not be created from the given font data</li>
+ * </ul>
+ *
+ * @since 2.1
+ */
+public this(Device device, FontData[] fds) {
+	if (device is null) device = Device.getDevice();
+	if (device is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	if (fds is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	if (fds.length == 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+	for (int i=0; i<fds.length; i++) {
+		if (fds[i] is null) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+	}
+	FontData fd = fds[0];
+	init(device,fd.getName(), fd.getHeightF(), fd.getStyle(), fd.str);
+	if (device.tracking) device.new_Object(this);
+}
+
+/**
+ * Constructs a new font given a device, a font name,
+ * the height of the desired font in points, and a font
+ * style.
+ * <p>
+ * You must dispose the font when it is no longer required.
+ * </p>
+ *
+ * @param device the device to create the font on
+ * @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 - if device is null and there is no current device</li>
+ *    <li>ERROR_NULL_ARGUMENT - if the name argument is null</li>
+ *    <li>ERROR_INVALID_ARGUMENT - if the height is negative</li>
+ * </ul>
+ * @exception SWTError <ul>
+ *    <li>ERROR_NO_HANDLES - if a font could not be created from the given arguments</li>
+ * </ul>
+ */
+public this(Device device, char[] name, int height, int style) {
+	if (device is null) device = Device.getDevice();
+	if (device is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	init(device, name, height, style, null);
+	if (device.tracking) device.new_Object(this);
+}
+
+/*public*/ this(Device device, char[] name, float height, int style) {
+	if (device is null) device = Device.getDevice();
+	if (device is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	init(device, name, height, style, null);
+	if (device.tracking) device.new_Object(this);
+}
+
+/**
+ * Disposes of the operating system resources associated with
+ * the font. Applications must dispose of all fonts which
+ * they allocate.
+ */
+public void dispose() {
+	if (handle is null ) return;
+	if (device.isDisposed()) return;
+	OS.pango_font_description_free(handle);
+	handle = null;
+	if (device.tracking) device.dispose_Object(this);
+	device = null;
+}
+
+/**
+ * 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 int opEquals(Object object) {
+	if (object == this) return true;
+	if ( auto font = cast(Font)object ){
+       return handle is font.handle;
+    }
+    return false;
+}
+
+
+/**
+ * Returns an array of <code>FontData</code>s representing the receiver.
+ * On Windows, only one FontData will be returned per font. On X however,
+ * a <code>Font</code> object <em>may</em> be composed of multiple X
+ * fonts. To support this case, we return an array of font data objects.
+ *
+ * @return an array of font data objects describing the receiver
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
+ * </ul>
+ */
+public FontData[] getFontData() {
+	if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
+
+	auto family = OS.pango_font_description_get_family(handle);
+	char[] name = fromUtf8z( family );
+	float height = cast(float)OS.pango_font_description_get_size(handle) / OS.PANGO_SCALE;
+	int pangoStyle = OS.pango_font_description_get_style(handle);
+	int pangoWeight = OS.pango_font_description_get_weight(handle);
+	int style = SWT.NORMAL;
+	if (pangoStyle == OS.PANGO_STYLE_ITALIC) style |= SWT.ITALIC;
+	if (pangoStyle == OS.PANGO_STYLE_OBLIQUE) style |= SWT.ROMAN;
+	if (pangoWeight >= OS.PANGO_WEIGHT_BOLD) style |= SWT.BOLD;
+	auto fontString = OS.pango_font_description_to_string (handle);
+    auto buffer = fromUtf8z( fontString ).dup;
+	FontData data = new FontData( buffer , height, style);
+    OS.g_free (fontString);
+	data.str = buffer;
+	return [data];
+}
+
+/**
+ * Invokes platform specific functionality to allocate a new font.
+ * <p>
+ * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
+ * API for <code>Font</code>. It is marked public only so that it
+ * can be shared within the packages provided by SWT. It is not
+ * available on all platforms, and should never be called from
+ * application code.
+ * </p>
+ *
+ * @param device the device on which to allocate the color
+ * @param handle the handle for the font
+ *
+ * @private
+ */
+public static Font gtk_new(Device device, PangoFontDescription* handle) {
+	if (device is null) device = Device.getDevice();
+	Font font = new Font();
+	font.handle = handle;
+	font.device = device;
+	return font;
+}
+
+/**
+ * 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 hash_t toHash() {
+	return cast(hash_t)/*64*/handle;
+}
+
+void init(Device device, char[] name, float height, int style, char[] fontString) {
+	if (name is null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
+	if (height < 0) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+	this.device = device;
+	if (fontString !is null) {
+		handle = OS.pango_font_description_from_string (toStringz(fontString));
+		if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
+	} else {
+		handle = OS.pango_font_description_new();
+		if (handle is null) SWT.error(SWT.ERROR_NO_HANDLES);
+		//byte[] buffer = Converter.wcsToMbcs(null, name, true);
+		OS.pango_font_description_set_family(handle, toStringz(name) );
+		OS.pango_font_description_set_size(handle, cast(int)(0.5f + height * OS.PANGO_SCALE));
+		OS.pango_font_description_set_stretch(handle, cast(PangoStretch) OS.PANGO_STRETCH_NORMAL);
+		int pangoStyle = OS.PANGO_STYLE_NORMAL;
+		int pangoWeight = OS.PANGO_WEIGHT_NORMAL;
+		if ((style & SWT.ITALIC) != 0) pangoStyle = OS.PANGO_STYLE_ITALIC;
+		if ((style & SWT.ROMAN) != 0) pangoStyle = OS.PANGO_STYLE_OBLIQUE;
+		if ((style & SWT.BOLD) != 0) pangoWeight = OS.PANGO_WEIGHT_BOLD;
+		OS.pango_font_description_set_style(handle, cast(PangoStyle)pangoStyle);
+		OS.pango_font_description_set_weight(handle, cast(PangoWeight)pangoWeight);
+	}
+}
+
+/**
+ * Returns <code>true</code> if the font has been disposed,
+ * and <code>false</code> otherwise.
+ * <p>
+ * This method gets the dispose state for the font.
+ * When a font has been disposed, it is an error to
+ * invoke any other method using the font.
+ *
+ * @return <code>true</code> when the font is disposed and <code>false</code> otherwise
+ */
+public bool isDisposed() {
+	return handle is null;
+}
+
+/**
+ * Returns a string containing a concise, human-readable
+ * description of the receiver.
+ *
+ * @return a string representation of the receiver
+ */
+public char[] toString () {
+	if (isDisposed()) return "Font {*DISPOSED*}";
+	return Format( "Font {{{}}", handle );
+}
+
+}