1 files changed, 64 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mathml/tools/largeop.py b/testing/web-platform/tests/mathml/tools/largeop.py
new file mode 100755
index 0000000000..9832ff0039
--- /dev/null
+++ b/testing/web-platform/tests/mathml/tools/largeop.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+
+from utils import mathfont
+import fontforge
+
+nAryWhiteVerticalBarCodePoint = 0x2AFF
+v1 = 5 * mathfont.em
+f = mathfont.create("largeop-displayoperatorminheight%d" % v1,
+                    "Copyright (c) 2016 MathML Association")
+f.math.DisplayOperatorMinHeight = v1
+mathfont.createSquareGlyph(f, nAryWhiteVerticalBarCodePoint)
+g = f.createChar(-1, "uni2AFF.display")
+mathfont.drawRectangleGlyph(g, mathfont.em, v1, 0)
+f[nAryWhiteVerticalBarCodePoint].verticalVariants = "uni2AFF uni2AFF.display"
+mathfont.save(f)
+
+v1 = 2 * mathfont.em
+v2 = 3 * mathfont.em
+f = mathfont.create("largeop-displayoperatorminheight%d-2AFF-italiccorrection%d" % (v1, v2),
+                    "Copyright (c) 2018 Igalia S.L.")
+f.math.DisplayOperatorMinHeight = v1
+mathfont.createSquareGlyph(f, nAryWhiteVerticalBarCodePoint)
+g = f.createChar(-1, "uni2AFF.display")
+p = g.glyphPen()
+p.moveTo(0, 0)
+p.lineTo(v2, v1)
+p.lineTo(v2 + mathfont.em, v1)
+p.lineTo(mathfont.em, 0)
+p.closePath()
+g.width = mathfont.em + v2
+g.italicCorrection = v2
+f[nAryWhiteVerticalBarCodePoint].verticalVariants = "uni2AFF uni2AFF.display"
+mathfont.save(f)
+
+v1 = 7 * mathfont.em
+v2 = 5 * mathfont.em
+f = mathfont.create("largeop-displayoperatorminheight%d-2AFF-italiccorrection%d" % (v1, v2),
+                    "Copyright (c) 2020 Igalia S.L.")
+f.math.DisplayOperatorMinHeight = v1
+f.math.MinConnectorOverlap = 0
+mathfont.createSquareGlyph(f, nAryWhiteVerticalBarCodePoint)
+g = f.createChar(-1, "uni2AFF.bot")
+mathfont.drawRectangleGlyph(g,
+                            width=2 * mathfont.em,
+                            ascent=mathfont.em)
+g = f.createChar(-1, "uni2AFF.ext")
+mathfont.drawRectangleGlyph(g,
+                            width=mathfont.em,
+                            ascent=2 * mathfont.em,
+                            padding_left=mathfont.em)
+g = f.createChar(-1, "uni2AFF.top")
+mathfont.drawRectangleGlyph(g,
+                            width=v2 + mathfont.em,
+                            ascent=mathfont.em,
+                            padding_left=mathfont.em)
+f[nAryWhiteVerticalBarCodePoint].verticalVariants = "uni2AFF"
+# Part: (glyphName, isExtender, startConnector, endConnector, fullAdvance)
+f[nAryWhiteVerticalBarCodePoint].verticalComponents = \
+    (("uni2AFF.bot", False, 0, mathfont.em // 2, mathfont.em),
+     ("uni2AFF.ext", True, mathfont.em // 2, mathfont.em // 2, 2 * mathfont.em),
+     ("uni2AFF.top", False, mathfont.em // 2, 0, mathfont.em)
+     )
+f[nAryWhiteVerticalBarCodePoint].verticalComponentItalicCorrection = v2
+mathfont.save(f)