graflow: autofit OK

bzGraflow.js

@@ -629,8 +629,6 @@ class BZgraflow extends Buildoz{
          if(tween == null) tween = parseInt(this.getBZAttribute('tween')) || 500
          if(align == null) align = this.getBZAttribute('align') || 'center'
 
-         console.log('autoPlace', orientation, gapx, gapy, tween, align)
-
         this.currentOrientation = orientation
         // Cancel any previous autoPlace() animations by bumping a token.
         // moveNode() checks this token each frame and will no-op if superseded.
@@ -1147,6 +1145,17 @@ class BZgraflow extends Buildoz{
         return(crossLayerLinks)
     }
 
+    autofit(){ 
+        const parentBB = this.parentElement.getBoundingClientRect()
+        // Use scroll dimensions for actual content extent (nodes can extend beyond element bounds)
+        const contentW = Math.max(this.scrollWidth || this.offsetWidth || 1, 1)
+        const contentH = Math.max(this.scrollHeight || this.offsetHeight || 1, 1)
+        const sx = parentBB.width / contentW
+        const sy = parentBB.height / contentH
+        const scale = Math.min(sx, sy)  // uniform scale to fit inside parent
+        this.style.transformOrigin = 'top left'
+        this.style.transform = `scale(${scale})`
+    }
 }
 Buildoz.define('graflow', BZgraflow)