From 8f7caa4ca489caca851ec0d8426d7857b6d7a051 Mon Sep 17 00:00:00 2001
From: Roozbeh Pournader <roozbeh@google.com>
Date: Thu, 31 Jul 2014 18:04:58 -0700
Subject: Updated build scripts based on July 28 deliveries from ParaType.

---
 scripts/lib/fontbuild/markFeature.py | 93 ++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100755 scripts/lib/fontbuild/markFeature.py

(limited to 'scripts/lib/fontbuild/markFeature.py')

diff --git a/scripts/lib/fontbuild/markFeature.py b/scripts/lib/fontbuild/markFeature.py
new file mode 100755
index 0000000..9d7401a
--- /dev/null
+++ b/scripts/lib/fontbuild/markFeature.py
@@ -0,0 +1,93 @@
+from FL import *
+
+aliases = [["uni0430", "a"], ["uni0435", "e"], ["uni0440", "p"], ["uni0441", "c"], ["uni0445", "x"], ["uni0455", "s"], ["uni0456", "i"], ["uni0471", "psi"]]
+
+def GetAliaseName(gname):
+	for i in range (len(aliases)):
+		if (gname == aliases[i][1]):
+			return aliases[i][0]
+	return None		
+
+def CreateAccNameList(font, acc_anchor_name):
+	lst = []
+	for g in font.glyphs:
+		for anchor in g.anchors:
+			if acc_anchor_name == anchor.name:
+				lst.append(g.name)
+	return lst
+
+def CreateAccGlyphList(font, acc_list, acc_anchor_name):
+	g_list = []
+	for g in font.glyphs:
+		if g.name in acc_list:
+			for anchor in g.anchors:
+				if acc_anchor_name == anchor.name:
+					g_list.append([g.name, anchor.x, anchor.y])
+					break
+	return g_list
+
+
+def CreateGlyphList(font, acc_list, anchor_name):
+	g_list = []
+	for g in font.glyphs:
+		if g.name in acc_list:
+			continue
+		for anchor in g.anchors:
+			if anchor_name == anchor.name:
+				g_list.append([g.name, anchor.x, anchor.y])
+				break
+	return g_list
+
+def Create_mark_lookup(accent_g_list, base_g_list, lookupname, acc_class):
+	txt = "lookup " + lookupname + " {\n"
+	
+	for acc in accent_g_list:
+		txt += "  markClass " + acc[0] + " <anchor " + `acc[1]` + " " + `acc[2]` + "> " + acc_class +";\n"	
+	
+	for base in base_g_list:
+		txt += "  pos base " + base[0] + " <anchor " + `base[1]` + " " + `base[2]` + "> mark " + acc_class + ";\n"
+		base2 = GetAliaseName(base[0])
+		if (None == base2):
+			continue
+		txt += "  pos base " + base2 + " <anchor " + `base[1]` + " " + `base[2]` + "> mark " + acc_class + ";\n"	
+
+	txt += "} " + lookupname + ";\n"
+	
+	return txt
+
+##### main ##############
+def GenerateFeature_mark(font):
+  text = "feature mark {\n"
+
+  accent_name_list = []
+  accent_mark_list = []
+  base_mark_list = []
+  anchor_name = "top"
+  acc_anchor_name = "_mark" + anchor_name
+  accent_name_list = CreateAccNameList(font, acc_anchor_name)
+  accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)
+  base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)
+  text += Create_mark_lookup(accent_mark_list, base_mark_list, "mark1", "@MC_top")
+
+  accent_name_list = []
+  accent_mark_list = []
+  base_mark_list = []
+  anchor_name = "bottom"
+  acc_anchor_name = "_mark" + anchor_name
+  accent_name_list = CreateAccNameList(font, acc_anchor_name)
+  accent_mark_list = CreateAccGlyphList(font, accent_name_list, acc_anchor_name)
+  base_mark_list = CreateGlyphList(font, accent_name_list, anchor_name)
+  text += Create_mark_lookup(accent_mark_list, base_mark_list, "mark2", "@MC_bottom")
+
+
+  text += "} mark;\n"
+  mark = Feature("mark", text)
+
+  not_exist = True
+  for n in range(len(font.features)):
+    if ('mark' == font.features[n].tag):
+      font.features[n] = mark
+      not_exist = False
+
+  if (not_exist):
+    font.features.append(mark)
-- 
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