update docs for polygon editing (point drag, add/delete points), xschem logo update

doc/xschem_man/commands.html

@@ -310,6 +310,10 @@ set replace_key(w) Shift-W
  </p>
  <img src="commands3.png">
 
+ <p> Another way to move objects stretching attached wires is to press <kbd>Ctrl-m</kbd> instead of <kbd>m</kbd>
+     This way you don't have to remember to press <kbd>Ctrl</kbd> when doing the selection.</p>
+ <img src="commands10.png">
+
  <h3>PLACE WIRES SNAPPING TO CLOSEST PIN OT NET ENDPOINT</h3>
  <p>
   The (uppercase) <kbd>'W'</kbd> bindkey allows to place a wire putting start (and end point, later) to the 
@@ -329,6 +333,21 @@ set replace_key(w) Shift-W
  <p style="padding-top:0px;"> <i>
   Unconstrained move: objects follow the mouse pointer in X and Y direction.
  </i></p>
+ <h3>POLYGON EDITINC COMMANDS</h3>
+ <p> There are some specific editing modes for polygons. A polygon is created by pressing the <kbd>p</kbd> key.
+  After dragging the first segment a mouse button clock will create the second point and so on.
+  A double click ends the placement.<br>
+  If a polygon is selected the control points are shown with circles. These circles can be dragged with the
+  mouse directly.</p>
+ <img src="commands11.png">
+ <p> Clicking one control point with the <kbd>Shift</kbd> key will add a new point in the polygon shape:</p>
+ <img src="commands12.png">
+ <p> Clicking one control point with the <kbd>Ctrl</kbd> key will delete a point in the polygon shape.</p>
+ <p> Adding attribute <kbd>bezier=true</kbd> or  <kbd>bezier=1</kbd> will transform the polygon into a bezier
+  cuve with the polygon points acting as control points.</p>
+ <img src="commands13.png">
+
+
  <!-- end of slide -->
  <div class="filler"></div>
 </div>

xschem_library/devices/title.sym

@@ -1,4 +1,4 @@
-v {xschem version=3.4.4 file_version=1.2
+v {xschem version=3.4.5 file_version=1.2
 *
 * This file is part of XSCHEM,
 * a schematic capture and Spice/Vhdl/Verilog netlisting tool for circuit
@@ -31,7 +31,8 @@ S {}
 E {}
 L 6 225 0 1020 0 {}
 L 6 -160 0 -95 0 {}
-P 5 13 5 -30 -25 0 5 30 -15 30 -35 10 -55 30 -75 30 -45 0 -75 -30 -55 -30 -35 -10 -15 -30 5 -30 {fill=true}
+P 5 38 -10 -15 -15 -10 -25 0 -15 10 -2.5 22.5 5 30 -2.5 30 -10 30 -15 30 -20 25 -25 20 -35 10 -45 20 -50 25 -55 30 -60 30 -67.5 30 -75 30 -67.5 22.5 -55 10 -45 0 -55 -10 -67.5 -22.5 -75 -30 -67.5 -30 -60 -30 -55 -30 -50 -25 -45 -20 -35 -10 -25 -20 -20 -25 -15 -30 -10 -30 -2.5 -30 5 -30 -2.5 -22.5 -10 -15 {fill=true
+bezier=1}
 T {@path         @schname_ext} 235 5 0 0 0.4 0.4 {}
 T {@author} 235 -25 0 0 0.4 0.4 {}
 T {@time_last_modified} 1020 -25 0 1 0.4 0.3 {}