Add height and midpoint metrics

tecnickcom · Nov 2, 2023 · ada555d · ada555d
1 parent 729dadb
commit ada555d
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Showing 3 changed files with 5 additions and 1 deletion.
diff --git a/VERSION b/VERSION
@@ -1 +1 @@
-1.15.12
+1.16.1
diff --git a/src/Stack.php b/src/Stack.php
@@ -386,6 +386,8 @@ protected function getFontMetric($font)
             'dw'           => ($data['dw'] * $cratio * $font['stretching']),
             'ascent'       => ($data['desc']['Ascent'] * $cratio),
             'descent'      => ($data['desc']['Descent'] * $cratio),
+            'height'       => (($data['desc']['Ascent'] - $data['desc']['Descent']) * $cratio),
+            'midpoint'     => (($data['desc']['Ascent'] + $data['desc']['Descent']) * $cratio / 2),
             'capheight'    => ($data['desc']['CapHeight'] * $cratio),
             'xheight'      => ($data['desc']['XHeight'] * $cratio),
             'avgwidth'     => ($data['desc']['AvgWidth'] * $cratio * $font['stretching']),

diff --git a/test/StackTest.php b/test/StackTest.php
@@ -68,6 +68,8 @@ public function testStack()
         $this->bcAssertEqualsWithDelta(4.6704, $bfont['dw'], 0.0001);
         $this->bcAssertEqualsWithDelta(13.342, $bfont['ascent'], 0.0001);
         $this->bcAssertEqualsWithDelta(-3.08, $bfont['descent'], 0.0001);
+        $this->bcAssertEqualsWithDelta(16.422, $bfont['height'], 0.0001);
+        $this->bcAssertEqualsWithDelta(5.131, $bfont['midpoint'], 0.0001);
         $this->bcAssertEqualsWithDelta(10.136, $bfont['capheight'], 0.0001);
         $this->bcAssertEqualsWithDelta(7.56, $bfont['xheight'], 0.0001);
         $this->bcAssertEqualsWithDelta(9.492, $bfont['avgwidth'], 0.0001);