Implement Font comparisions.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@6505 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,10 @@
+2000-04-24  Adam Fedor  <fedor@gnu.org>
+
+	* Source/NSFont.m (-isEqual:): Implement.
+	(hash): Likewise.
+
+	* Documentation/gsdoc/DPSOperators.gsdoc: New file.
+
 2000-04-24  Fred Kiefer  <FredKiefer@gmx.de>
 
 	* Parser/*: Updated the parser to support more of the RTF

Documentation/gsdoc/Gui.gsdoc

@@ -126,6 +126,13 @@
         <item><uref url="NSWindowController.html">NSWindowController</uref></item>
         <item><uref url="NSWorkspace.html">NSWorkspace</uref></item>
       </list>
+      <p>
+        There is also documentation on various GUI functions.
+      </p>
+      <list>
+        <item><uref url="DPSOperators.html">DPSOperators</uref></item>
+      </list>
+
     </chapter>
   </body>
 </gsdoc>

Documentation/gsdoc/Gui.html

@@ -126,6 +126,13 @@
 <li><a href="NSWindowController.html">NSWindowController</a>
 <li><a href="NSWorkspace.html">NSWorkspace</a>
 </ul>
+<p>
+
+        There is also documentation on various GUI functions.
+      </p>
+<ul>
+<li><a href="DPSOperators.html">DPSOperators</a>
+</ul>
 </body>
 
 </html>

Source/NSFont.m

@@ -200,6 +200,32 @@ void setNSFont(NSString* key, NSFont* font)
   [super dealloc];
 }
 
+- (BOOL) isEqual: (id)anObject
+{
+  int i;
+  float *obj_matrix;
+  if (anObject == self)
+    return YES;
+  if ([anObject isKindOfClass: self->isa] == NO)
+    return NO;
+  if ([[anObject fontName] isEqual: fontName] == NO)
+    return NO;
+  obj_matrix = [anObject matrix];
+  for (i = 0; i < 6; i++)
+    if (obj_matrix[i] != matrix[i])
+      return NO;
+  return YES;
+}
+
+- (unsigned) hash
+{
+  int i, sum;
+  sum = 0;
+  for (i = 0; i < 6; i++)
+    sum += matrix[i] * ((i+1) * 17);
+  return ([fontName hash] + sum);
+}
+
 //
 // Private method for NSFontManager
 //