gEDA-dev: tragesym improvements

[Aapo Tahkola <aet-at-NOSPAMrasterburn_dot_org>]

Hi,

I made some improvements to tragesym in order to avoid problems with
pins on top/bottom:

-the difference between symwidth and calculated
symbol width will be added as pad to left and right sides

-if there are pins at top/bottom, place symbol name at center instead
of top-left

-vertical pin spacing can be less than 500 now

Small example attached.
Keep up the good work!

-- 
Aapo Tahkola
--- new/tragesym	2007-02-13 04:02:18.000000000 +0200
+++ tragesym	2007-02-13 05:14:01.000000000 +0200
@@ -282,10 +282,6 @@
     	elif pin[P_POS] == "t": #right pin
     		numptop=numptop+1
 
-    # If there are pins on the top, then o_vdist should be 500 at least
-    if ( (numptop > 0) and (o_vdist < 500) ):
-	o_vdist = 500
-
     # Calculate the position of the pins in the left and right side.    
     plefty, prighty = 0, 0
     if numpleft >  numpright:
@@ -301,10 +297,16 @@
 	bottomlefty += pinlength
 
     # Calculate the minimum symwidth and increase it if necessary
-    if numpbottom > numptop:
-	calculated_symwidth=(numpbottom-1)*o_hdist+2*o_hdist
+    calculated_top_symwidth=(numptop-1)*o_hdist+2*o_hdist
+    calculated_bottom_symwidth=(numpbottom-1)*o_hdist+2*o_hdist
+    
+    if calculated_bottom_symwidth > calculated_top_symwidth:
+	calculated_symwidth=calculated_bottom_symwidth
     else:
-	calculated_symwidth=(numptop-1)*o_hdist+2*o_hdist
+	calculated_symwidth=calculated_top_symwidth
+
+    if (numptop + numpbottom > 0):
+	print "warning: use sym_width to adjust symbol width if texts overlap."
 
     if o_symwidth == 0:
 	o_symwidth = calculated_symwidth
@@ -322,7 +324,10 @@
     ptopx, ptopy= bottomleftx + o_hdist, bottomlefty + high + pinlength
     pbottomx, pbottomy = bottomleftx + o_hdist, bottomlefty - pinlength   
 
-
+    # Lets add some pad if sym_width was defined
+    ptopx = ptopx + (o_symwidth - calculated_top_symwidth) / 2
+    pbottomx = pbottomx + (o_symwidth - calculated_bottom_symwidth) / 2
+    
     f = open(filename, "w")
 
 ### Draw the symbol version
@@ -468,7 +473,13 @@
 
 ### draw the attributes
     urefx, urefy = bottomleftx+o_symwidth, bottomlefty + high + 100
-    namex, namey = bottomleftx, bottomlefty+high+100
+
+    # Center name if we have top/bottom pins
+    if numptop + numpbottom > 0:
+	namex, namey = (bottomleftx + o_symwidth) / 2, (bottomlefty + high) / 2 + 100
+    else:
+	namex, namey = bottomleftx, bottomlefty+high+100
+
     textx = namex
     texty = namey + 200
     if numptop > 0:

rtl8201.src

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