Read anchors

src/fontra_glyphs/backend.py

@@ -5,6 +5,7 @@
 import glyphsLib
 import openstep_plist
 from fontra.core.classes import (
+    Anchor,
     Axes,
     Component,
     DiscreteFontAxis,
@@ -345,9 +346,17 @@ def gsLayerToFontraLayer(gsLayer, globalAxisNames):
         for gsComponent in gsLayer.components
     ]
 
+    anchors = [
+        gsAnchorToFontraAnchor(gsAnchor)
+        for gsAnchor in gsLayer.anchors
+    ]
+
     return Layer(
         glyph=StaticGlyph(
-            xAdvance=gsLayer.width, path=pen.getPath(), components=components
+            xAdvance=gsLayer.width,
+            path=pen.getPath(),
+            components=components,
+            anchors=anchors
         )
     )
 
@@ -364,6 +373,18 @@ def gsComponentToFontraComponent(gsComponent, gsLayer, globalAxisNames):
     return component
 
 
+def gsAnchorToFontraAnchor(gsAnchor):
+    anchor = Anchor(
+        name=gsAnchor.name,
+        x=gsAnchor.position.x,
+        y=gsAnchor.position.x,
+        # TODO: gsAnchor.orientation -> Type: int
+        # If the position of the anchor is relaive to the LSB (0), center (2) or RSB (1).
+        customData=gsAnchor.userData if gsAnchor.userData else dict(),
+    )
+    return anchor
+
+
 def disambiguateLocalAxisName(axisName, globalAxisNames):
     return f"{axisName} (local)" if axisName in globalAxisNames else axisName
 

tests/data/GlyphsUnitTestSans3.fontra/glyphs/A^1.json

@@ -88,7 +88,27 @@
 }
 ]
 },
-"xAdvance": 753
+"xAdvance": 753,
+"anchors": [
+{
+"name": "bottom",
+"x": 377,
+"y": 377,
+"customData": {}
+},
+{
+"name": "ogonek",
+"x": 678,
+"y": 678,
+"customData": {}
+},
+{
+"name": "top",
+"x": 377,
+"y": 377,
+"customData": {}
+}
+]
 }
 },
 "Light (layer #0)": {
@@ -155,7 +175,27 @@
 }
 ]
 },
-"xAdvance": 593
+"xAdvance": 593,
+"anchors": [
+{
+"name": "bottom",
+"x": 297,
+"y": 297,
+"customData": {}
+},
+{
+"name": "ogonek",
+"x": 548,
+"y": 548,
+"customData": {}
+},
+{
+"name": "top",
+"x": 297,
+"y": 297,
+"customData": {}
+}
+]
 }
 },
 "Regular (layer #1)": {
@@ -222,7 +262,27 @@
 }
 ]
 },
-"xAdvance": 657
+"xAdvance": 657,
+"anchors": [
+{
+"name": "bottom",
+"x": 329,
+"y": 329,
+"customData": {}
+},
+{
+"name": "ogonek",
+"x": 591,
+"y": 591,
+"customData": {}
+},
+{
+"name": "top",
+"x": 329,
+"y": 329,
+"customData": {}
+}
+]
 }
 }
 },

tests/data/GlyphsUnitTestSans3.fontra/glyphs/_part.shoulder.json

@@ -175,7 +175,21 @@
 }
 ]
 },
-"xAdvance": 560
+"xAdvance": 560,
+"anchors": [
+{
+"name": "_connect",
+"x": 250,
+"y": 250,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 530,
+"y": 530,
+"customData": {}
+}
+]
 }
 },
 "Bold / LowCrotch (layer #8)": {
@@ -267,7 +281,21 @@
 }
 ]
 },
-"xAdvance": 560
+"xAdvance": 560,
+"anchors": [
+{
+"name": "_connect",
+"x": 250,
+"y": 250,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 530,
+"y": 530,
+"customData": {}
+}
+]
 }
 },
 "Bold / NarrowShoulder (layer #7)": {
@@ -359,7 +387,21 @@
 }
 ]
 },
-"xAdvance": 560
+"xAdvance": 560,
+"anchors": [
+{
+"name": "_connect",
+"x": 250,
+"y": 250,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 520,
+"y": 520,
+"customData": {}
+}
+]
 }
 },
 "Light (layer #0)": {
@@ -451,7 +493,21 @@
 }
 ]
 },
-"xAdvance": 501
+"xAdvance": 501,
+"anchors": [
+{
+"name": "_connect",
+"x": 117,
+"y": 117,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 411,
+"y": 411,
+"customData": {}
+}
+]
 }
 },
 "Light / LowCrotch (layer #4)": {
@@ -543,7 +599,21 @@
 }
 ]
 },
-"xAdvance": 501
+"xAdvance": 501,
+"anchors": [
+{
+"name": "_connect",
+"x": 117,
+"y": 117,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 411,
+"y": 411,
+"customData": {}
+}
+]
 }
 },
 "Light / NarrowShoulder (layer #3)": {
@@ -635,7 +705,21 @@
 }
 ]
 },
-"xAdvance": 501
+"xAdvance": 501,
+"anchors": [
+{
+"name": "_connect",
+"x": 117,
+"y": 117,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 381,
+"y": 381,
+"customData": {}
+}
+]
 }
 },
 "Regular (layer #1)": {
@@ -727,7 +811,21 @@
 }
 ]
 },
-"xAdvance": 528
+"xAdvance": 528,
+"anchors": [
+{
+"name": "_connect",
+"x": 167,
+"y": 167,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 455,
+"y": 455,
+"customData": {}
+}
+]
 }
 },
 "Regular / LowCrotch (layer #6)": {
@@ -819,7 +917,21 @@
 }
 ]
 },
-"xAdvance": 528
+"xAdvance": 528,
+"anchors": [
+{
+"name": "_connect",
+"x": 167,
+"y": 167,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 455,
+"y": 455,
+"customData": {}
+}
+]
 }
 },
 "Regular / NarrowShoulder (layer #5)": {
@@ -911,7 +1023,21 @@
 }
 ]
 },
-"xAdvance": 528
+"xAdvance": 528,
+"anchors": [
+{
+"name": "_connect",
+"x": 167,
+"y": 167,
+"customData": {}
+},
+{
+"name": "connect",
+"x": 425,
+"y": 425,
+"customData": {}
+}
+]
 }
 }
 }