Remove unnecessary code for taking snapshot for UFP file

CURA-5373

cura/PreviewPass.py

@@ -1,7 +1,6 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 from UM.Application import Application
-from UM.Math.Color import Color
 from UM.Resources import Resources
 
 from UM.View.RenderPass import RenderPass
@@ -34,10 +33,9 @@ def prettier_color(color_list):
 #
 #   This is useful to get a preview image of a scene taken from a different location as the active camera.
 class PreviewPass(RenderPass):
-    def __init__(self, width: int, height: int, skip_non_printed_objects: bool = False):
+    def __init__(self, width: int, height: int):
         super().__init__("preview", width, height, 0)
 
-        self._skip_non_printed_objects = skip_non_printed_objects
         self._camera = None  # type: Optional[Camera]
 
         self._renderer = Application.getInstance().getRenderer()
@@ -75,7 +73,6 @@ class PreviewPass(RenderPass):
 
         # Create batches to be rendered
         batch = RenderBatch(self._shader)
-        batch_non_printing = RenderBatch(self._non_printing_shader, type = RenderBatch.RenderType.Transparent)
         batch_support_mesh = RenderBatch(self._support_mesh_shader)
 
         # Fill up the batch with objects that can be sliced. `
@@ -84,7 +81,7 @@ class PreviewPass(RenderPass):
                 per_mesh_stack = node.callDecoration("getStack")
                 if node.callDecoration("isNonPrintingMesh"):
                     # Non printing mesh
-                    batch_non_printing.addItem(node.getWorldTransformation(), node.getMeshData(), uniforms = {})
+                    continue
                 elif per_mesh_stack is not None and per_mesh_stack.getProperty("support_mesh", "value") == True:
                     # Support mesh
                     uniforms = {}
@@ -114,8 +111,5 @@ class PreviewPass(RenderPass):
         batch.render(render_camera)
         batch_support_mesh.render(render_camera)
 
-        if not self._skip_non_printed_objects:
-            batch_non_printing.render(render_camera)
-
         self.release()
 

cura/Snapshot.py

@@ -6,13 +6,10 @@ from PyQt5 import QtCore
 from PyQt5.QtGui import QImage
 
 from cura.PreviewPass import PreviewPass
-from cura.Scene import ConvexHullNode
 
 from UM.Application import Application
-from UM.Math.AxisAlignedBox import AxisAlignedBox
 from UM.Math.Matrix import Matrix
 from UM.Math.Vector import Vector
-from UM.Mesh.MeshData import transformVertices
 from UM.Scene.Camera import Camera
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
 
@@ -43,8 +40,7 @@ class Snapshot:
         render_width, render_height = active_camera.getWindowSize()
         render_width = int(render_width)
         render_height = int(render_height)
-        skip_non_printed_objects = True
-        preview_pass = PreviewPass(render_width, render_height, skip_non_printed_objects)
+        preview_pass = PreviewPass(render_width, render_height)
 
         root = scene.getRoot()
         camera = Camera("snapshot", root)