Updated gcode interperter and GCode preview. Fixed #77

[cura.git] / Cura / gui / opengl.py

diff --git a/Cura/gui/opengl.py b/Cura/gui/opengl.py
index 92ffcdea219f78d93dda69c959b14dcca3117c4b..0507f566c929658c8a8168edfdf0556416ecd02d 100644 (file)
--- a/Cura/gui/opengl.py
+++ b/Cura/gui/opengl.py
@@ -1,3 +1,7 @@
+import math\r
+\r
+from util import util3d\r
+from util import profile\r
 \r
 try:\r
        import OpenGL\r
@@ -215,3 +219,91 @@ def DrawSTL(mesh):
                glVertex3f(v3.x, v3.y, v3.z)\r
                glVertex3f(v2.x, v2.y, v2.z)\r
                glEnd()\r
+\r
+def DrawGCodeLayer(layer):\r
+       filamentRadius = profile.getProfileSettingFloat('filament_diameter') / 2\r
+       filamentArea = math.pi * filamentRadius * filamentRadius\r
+       lineWidth = profile.getProfileSettingFloat('nozzle_size') / 2 / 10\r
+       \r
+       fillCycle = 0\r
+       fillColorCycle = [[0.5,0.5,0.0],[0.0,0.5,0.5],[0.5,0.0,0.5]]\r
+       \r
+       glDisable(GL_CULL_FACE)\r
+       for path in layer:\r
+               if path.type == 'move':\r
+                       glColor3f(0,0,1)\r
+               if path.type == 'extrude':\r
+                       if path.pathType == 'FILL':\r
+                               glColor3fv(fillColorCycle[fillCycle])\r
+                               fillCycle = (fillCycle + 1) % len(fillColorCycle)\r
+                       elif path.pathType == 'WALL-INNER':\r
+                               glColor3fv([0,1,0])\r
+                       elif path.pathType == 'SUPPORT':\r
+                               glColor3fv([0,1,1])\r
+                       elif path.pathType == 'SKIRT':\r
+                               glColor3fv([0,0.5,0.5])\r
+                       else:\r
+                               glColor3fv([1,0,0])\r
+               if path.type == 'retract':\r
+                       glColor3fv([0,1,1])\r
+               if path.type == 'extrude':\r
+                       drawLength = 0.0\r
+                       prevNormal = None\r
+                       for i in xrange(0, len(path.list)-1):\r
+                               v0 = path.list[i]\r
+                               v1 = path.list[i+1]\r
+\r
+                               # Calculate line width from ePerDistance (needs layer thickness and filament diameter)\r
+                               dist = (v0 - v1).vsize()\r
+                               if dist > 0 and path.layerThickness > 0:\r
+                                       extrusionMMperDist = (v1.e - v0.e) / dist\r
+                                       lineWidth = extrusionMMperDist * filamentArea / path.layerThickness / 2\r
+\r
+                               drawLength += (v0 - v1).vsize()\r
+                               normal = (v0 - v1).cross(util3d.Vector3(0,0,1))\r
+                               normal.normalize()\r
+\r
+                               vv2 = v0 + normal * lineWidth\r
+                               vv3 = v1 + normal * lineWidth\r
+                               vv0 = v0 - normal * lineWidth\r
+                               vv1 = v1 - normal * lineWidth\r
+\r
+                               glBegin(GL_QUADS)\r
+                               glVertex3f(vv0.x, vv0.y, vv0.z - 0.01)\r
+                               glVertex3f(vv1.x, vv1.y, vv1.z - 0.01)\r
+                               glVertex3f(vv3.x, vv3.y, vv3.z - 0.01)\r
+                               glVertex3f(vv2.x, vv2.y, vv2.z - 0.01)\r
+                               glEnd()\r
+                               if prevNormal != None:\r
+                                       n = (normal + prevNormal)\r
+                                       n.normalize()\r
+                                       vv4 = v0 + n * lineWidth\r
+                                       vv5 = v0 - n * lineWidth\r
+                                       glBegin(GL_QUADS)\r
+                                       glVertex3f(vv2.x, vv2.y, vv2.z)\r
+                                       glVertex3f(vv4.x, vv4.y, vv4.z)\r
+                                       glVertex3f(prevVv3.x, prevVv3.y, prevVv3.z)\r
+                                       glVertex3f(v0.x, v0.y, v0.z)\r
+                                       \r
+                                       glVertex3f(vv0.x, vv0.y, vv0.z)\r
+                                       glVertex3f(vv5.x, vv5.y, vv5.z)\r
+                                       glVertex3f(prevVv1.x, prevVv1.y, prevVv1.z)\r
+                                       glVertex3f(v0.x, v0.y, v0.z)\r
+                                       glEnd()\r
+                                       \r
+                               prevNormal = normal\r
+                               prevVv1 = vv1\r
+                               prevVv3 = vv3\r
+               \r
+                       #for v in path.list:\r
+                       #       glBegin(GL_TRIANGLE_FAN)\r
+                       #       glVertex3f(v.x, v.y, v.z - 0.001)\r
+                       #       for i in xrange(0, 16+1):\r
+                       #               glVertex3f(v.x + math.cos(math.pi*2/16*i) * lineWidth, v.y + math.sin(math.pi*2/16*i) * lineWidth, v.z - 0.01)\r
+                       #       glEnd()\r
+               else:\r
+                       glBegin(GL_LINE_STRIP)\r
+                       for v in path.list:\r
+                               glVertex3f(v.x, v.y, v.z)\r
+                       glEnd()\r
+       glEnable(GL_CULL_FACE)\r