Cura/plugins/LayerView/LayerView.py
Jaime van Kessel 33c69b32f8 Fix for #29
2015-06-05 12:10:13 +02:00

57 lines
2.4 KiB
Python

# Copyright (c) 2015 Ultimaker B.V.
# Cura is released under the terms of the AGPLv3 or higher.
from UM.View.View import View
from UM.View.Renderer import Renderer
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Resources import Resources
## View used to display g-code paths.
class LayerView(View):
def __init__(self):
super().__init__()
self._material = None
self._num_layers = 0
self._layer_percentage = 0 # what percentage of layers need to be shown (SLider gives value between 0 - 100)
def beginRendering(self):
scene = self.getController().getScene()
renderer = self.getRenderer()
renderer.setRenderSelection(False)
if not self._material:
self._material = renderer.createMaterial(Resources.getPath(Resources.ShadersLocation, "basic.vert"), Resources.getPath(Resources.ShadersLocation, "vertexcolor.frag"))
self._material.setUniformValue("u_color", [1.0, 0.0, 0.0, 1.0])
for node in DepthFirstIterator(scene.getRoot()):
if not node.render(renderer):
if node.getMeshData() and node.isVisible():
try:
layer_data = node.getMeshData().layerData
except AttributeError:
continue
if self._layer_percentage < 100:
start = 0
end_layer = round(len(layer_data.getLayers()) * (self._layer_percentage / 100))
end = 0
element_counts = layer_data.getElementCounts()
for layer, counts in element_counts.items():
end += sum(counts)
## Hack to ensure the end is correct. Not quite sure what causes this
end += 2 * len(counts)
if layer >= end_layer:
break
renderer.queueNode(node, mesh = layer_data, material = self._material, mode = Renderer.RenderLines, start = start, end = end)
else:
renderer.queueNode(node, mesh = layer_data, material = self._material, mode = Renderer.RenderLines)
def setLayer(self, value):
self._layer_percentage = value
def endRendering(self):
pass