Add a working X-Ray view

plugins/XRayView/XRayView.py

@@ -0,0 +1,57 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
+import os.path
+
+from UM.PluginRegistry import PluginRegistry
+from UM.Event import Event
+from UM.View.View import View
+from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
+
+from UM.View.GL.OpenGL import OpenGL
+
+from . import XRayPass
+
+## View used to display g-code paths.
+class XRayView(View):
+    def __init__(self):
+        super().__init__()
+        self._shader = None
+
+        self._xray_pass = None
+        self._xray_composite_shader = None
+        self._composite_pass = None
+        self._old_composite_shader = None
+        self._old_layer_bindings = None
+
+    def beginRendering(self):
+        scene = self.getController().getScene()
+        renderer = self.getRenderer()
+
+        for node in DepthFirstIterator(scene.getRoot()):
+            node.render(renderer)
+
+    def endRendering(self):
+        pass
+
+    def event(self, event):
+        renderer = self.getRenderer()
+        if event.type == Event.ViewActivateEvent:
+            if not self._xray_pass:
+                self._xray_pass = XRayPass.XRayPass(1280, 720)
+                renderer.addRenderPass(self._xray_pass)
+
+            if not self._xray_composite_shader:
+                self._xray_composite_shader = OpenGL.getInstance().createShaderProgram(os.path.join(PluginRegistry.getInstance().getPluginPath("XRayView"), "xray_composite.shader"))
+
+            if not self._composite_pass:
+                self._composite_pass = renderer.getRenderPass("composite")
+
+            self._old_layer_bindings = self._composite_pass.getLayerBindings()
+            self._composite_pass.setLayerBindings(["default", "selection", "xray"])
+            self._old_composite_shader = self._composite_pass.getCompositeShader()
+            self._composite_pass.setCompositeShader(self._xray_composite_shader)
+
+        if event.type == Event.ViewDeactivateEvent:
+            self._composite_pass.setLayerBindings(self._old_layer_bindings)
+            self._composite_pass.setCompositeShader(self._old_composite_shader)