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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/Font.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/Font.java | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/Font.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/Font.java deleted file mode 100755 index 609dd8e6f6..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/Font.java +++ /dev/null @@ -1,263 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2005 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 - *******************************************************************************/ -package org.eclipse.swt.graphics; - - -import org.eclipse.swt.internal.win32.*; -import org.eclipse.swt.*; - -/** - * 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 extends 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 int handle; - -/** - * Prevents uninitialized instances from being created outside the package. - */ -Font() { -} - -/** - * 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 Font(Device device, FontData fd) { - if (device == null) device = Device.getDevice(); - if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - init(device, fd); - 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 Font(Device device, FontData[] fds) { - if (device == null) device = Device.getDevice(); - if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - if (fds == 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] == null) SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - init(device, fds[0]); - 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 Font(Device device, String name, int height, int style) { - if (device == null) device = Device.getDevice(); - if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - if (name == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - init(device, new FontData (name, height, style)); - 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 == 0) return; - if (device.isDisposed()) return; - OS.DeleteObject(handle); - handle = 0; - 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 boolean equals(Object object) { - if (object == this) return true; - if (!(object instanceof Font)) return false; - Font font = (Font) object; - return device == font.device && handle == font.handle; -} - -/** - * 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); - LOGFONT logFont = OS.IsUnicode ? (LOGFONT)new LOGFONTW() : new LOGFONTA(); - OS.GetObject(handle, LOGFONT.sizeof, logFont); - return new FontData[] {FontData.win32_new(logFont, device.computePoints(logFont, handle))}; -} - -/** - * 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 handle; -} - -void init (Device device, FontData fd) { - if (fd == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - this.device = device; - LOGFONT logFont = fd.data; - int lfHeight = logFont.lfHeight; - logFont.lfHeight = device.computePixels(fd.height); - handle = OS.CreateFontIndirect(logFont); - logFont.lfHeight = lfHeight; - if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES); -} - -/** - * 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 boolean isDisposed() { - return handle == 0; -} - -/** - * Returns a string containing a concise, human-readable - * description of the receiver. - * - * @return a string representation of the receiver - */ -public String toString () { - if (isDisposed()) return "Font {*DISPOSED*}"; - return "Font {" + handle + "}"; -} - -/** - * 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 - * @return a new font object containing the specified device and handle - */ -public static Font win32_new(Device device, int handle) { - if (device == null) device = Device.getDevice(); - Font font = new Font(); - font.handle = handle; - font.device = device; - return font; -} - -} |