Basic KLE support

src/kle.js

@@ -0,0 +1,45 @@
+const kle = require('kle-serial')
+
+exports.convert = (config, logger) => {
+    const keyboard = kle.Serial.deserialize(config)
+    const result = {points: {zones: {}}}
+
+    let index = 1
+    for (const key of keyboard.keys) {
+        const id = `key${index++}`
+        const colid = `${id}col`
+        const rowid = `${id}row`
+
+        // need to account for keycap sizes, as KLE anchors
+        // at the corners, while we consider the centers
+        const x = key.x + (key.width - 1) / 2
+        const y = key.y + (key.height - 1) / 2
+        
+        // KLE deals in absolute rotation origins so we calculate
+        // a relative difference as an origin for the column rotation
+        // again, considering corner vs. center with the extra half width/height
+        const diff_x = key.rotation_x - (key.x + key.width / 2)
+        const diff_y = key.rotation_y - (key.y + key.height / 2)
+
+        const converted = {
+            anchor: {
+                shift: [`${x} u`, `${-y} u`],
+            },
+            columns: {}
+        }
+        converted.columns[colid] = {
+            rotate: -key.rotation_angle,
+            origin: [`${diff_x} u`, `${-diff_y} u`],
+            rows: {}
+        }
+        converted.columns[colid].rows[rowid] = {
+            width: key.width,
+            height: key.height,
+            label: key.labels[0]
+        }
+        
+        result.points.zones[id] = converted
+    }
+
+    return [result, 'KLE']
+}