get Ink pen data like pressure, buttons

engine/canvas.cpp

@@ -221,6 +221,10 @@ void ui::Canvas::resize(int width, int height)
     m_tmp.create(width, height);
     m_tex.create(width, height);
     m_tex2.create(width, height);
+    for (auto& l : m_layers)
+    {
+        l.m_rtt.create(width, height);
+    }
 }
 bool ui::Canvas::create(int width, int height)
 {