Add test code

examples/bitmaptext/lineheight.bat

@@ -0,0 +1,5 @@
+@echo off
+set main=./examples/bitmaptext/lineheight.js
+cd ..
+cd ..
+npm run dev

examples/bitmaptext/lineheight.js

@@ -0,0 +1,51 @@
+import phaser from '../../../phaser/src/phaser.js';
+
+class Demo extends Phaser.Scene {
+    constructor() {
+        super({
+            key: 'examples'
+        })
+    }
+
+    preload() {
+        this.load.bitmapFont('gothic', 'assets/fonts/gothic.png', 'assets/fonts/gothic.xml');
+    }
+
+    create() {
+        var lines = [];
+        for (var i = 0; i < 5; i++) {
+            lines.push(i)
+        }
+        var s = lines.join('\n')
+        var txt = this.add.bitmapText(0, 0, 'gothic', s).setFontSize(30).setLineSpacing(20)
+
+        var textSize = txt.getTextBounds()
+        console.log(textSize)
+
+        var lineHeight = (textSize.lines.height + txt.lineSpacing) * textSize.scale;
+        console.log(textSize.lines.height, txt.lineSpacing, textSize.scale, lineHeight)
+        var graph = this.add.graphics()
+            .lineStyle(3, 0xff0000)
+
+        for (var i = 1; i < 6; i++) {
+            graph.lineBetween(0, i * lineHeight, 100, i * lineHeight);
+        }
+    }
+
+    update(time) {
+    }
+}
+
+var config = {
+    type: Phaser.AUTO,
+    parent: 'phaser-example',
+    width: 800,
+    height: 600,
+    scale: {
+        mode: Phaser.Scale.FIT,
+        autoCenter: Phaser.Scale.CENTER_BOTH,
+    },
+    scene: Demo
+};
+
+var game = new Phaser.Game(config);

examples/ui-textarea/bitmaptext-snap.js

@@ -17,11 +17,12 @@ class Demo extends Phaser.Scene {
     }
 
     create() {
+        var lineHeight = 75
         var textArea = this.rexUI.add.textArea({
             x: 400,
             y: 300,
             width: 220,
-            height: 260,
+            height: lineHeight*6,
 
             background: this.rexUI.add.roundRectangle(0, 0, 2, 2, 0, COLOR_MAIN),
 
@@ -32,7 +33,7 @@ class Demo extends Phaser.Scene {
                 track: this.rexUI.add.roundRectangle(0, 0, 20, 10, 10, COLOR_DARK),
                 thumb: this.rexUI.add.roundRectangle(0, 0, 0, 0, 13, COLOR_LIGHT),
 
-                gapLength: 75
+                gapLength: lineHeight
             },
 
             content: CreateContent(1000),