Skip to main content
summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/Font.java')
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/Font.java221
1 files changed, 0 insertions, 221 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/Font.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/Font.java
deleted file mode 100644
index b5a0c1e158..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/Font.java
+++ /dev/null
@@ -1,221 +0,0 @@
-package org.eclipse.swt.graphics;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.internal.*;
-import org.eclipse.swt.internal.gtk.*;
-import org.eclipse.swt.widgets.*;
-
-/**
- * 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 {
- /**
- * the handle to the OS font resource
- * (Warning: This field is platform dependent)
- */
- public int handle;
-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 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 display, FontData fd) {
- if (fd == null) error(SWT.ERROR_NULL_ARGUMENT);
-
- String xlfd = fd.getXlfd();
- byte[] buffer = Converter.wcsToMbcs(null, xlfd, true);
- handle = OS.gdk_font_load(buffer);
- if (handle == 0) {
- int hStyle = OS.gtk_widget_get_default_style();
- GtkStyle gtkStyle = new GtkStyle();
- OS.memmove(gtkStyle, hStyle, GtkStyle.sizeof);
- handle = OS.gdk_font_ref(gtkStyle.font);
- }
-}
-/**
- * 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 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 display, String fontFamily, int height, int style) {
- if (fontFamily == null) error(SWT.ERROR_NULL_ARGUMENT);
- FontData fd = new FontData(fontFamily, height, style);
- byte[] buffer = Converter.wcsToMbcs(null, fd.getXlfd(), true);
- handle = OS.gdk_font_load(buffer);
- if (handle == 0) {
- int hStyle = OS.gtk_widget_get_default_style();
- GtkStyle gtkStyle = new GtkStyle();
- OS.memmove(gtkStyle, hStyle, GtkStyle.sizeof);
- handle = OS.gdk_font_ref(gtkStyle.font);
- }
-}
-/**
- * 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) OS.gdk_font_unref(handle);
- handle = 0;
-}
-/**
- * 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;
- return OS.gdk_font_equal(handle, ((Font)object).handle);
-}
-void error(int code) {
- throw new SWTError (code);
-}
-
-/**
- * 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() {
- int index=0;
- int fnames = getFontNameList(handle);
- int nfonts = OS.g_slist_length(fnames);
- FontData[] answer = new FontData[nfonts];
- for (int i=0; i<nfonts; i++) {
- FontData data = new FontData();
-
- int name = OS.g_slist_nth_data(fnames, index);
- int length = OS.strlen(name);
- byte [] buffer1 = new byte[length];
- OS.memmove(buffer1, name, length);
- char [] buffer2 = Converter.mbcsToWcs (null, buffer1);
- String fontname = new String (buffer2, 0, buffer2.length);
- data.setXlfd(fontname);
-
- // Wild guess, 'a' looks average enough
- data.averageWidth = OS.gdk_char_width(handle, (byte)'a');
-
- // Wild guess, a progressive font should probably have A wider than l
- int widthA = OS.gdk_char_width(handle, (byte)'A');
- int widthl = OS.gdk_char_width(handle, (byte)'l');
- if (widthA == widthl) data.spacing = "m";
- else data.spacing = "p";
-
- answer[i] = data;
- }
- return answer;
-}
-static int getFontNameList(int handle) {
- int[] mem = new int[7];
- OS.memmove(mem, handle, 7*4);
- int type = mem[0];
- int ascent = mem[1];
- int descent = mem[2];
- int xfont =mem [3];
- int xdisplay = mem[4];
- int ref_count = mem[5];
- int names = mem[6];
- return names;
-}
-public static Font gtk_new(int handle) {
- Font font = new Font();
- font.handle = handle;
- return font;
-}
-/**
- * Returns an integer hash code for the receiver. Any two
- * objects which 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;
-}
-/**
- * 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 + "}";
-}
-
-}

Back to the top