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import os
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import tempfile
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import FreeCADGui as Gui
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import FreeCAD as App
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class AHB_Render:
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def GetResources(self):
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return {"MenuText": "Render",
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"ToolTip": "Render to images",
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"Pixmap": ""
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}
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def IsActive(self):
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return True
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def set_render_lines(self, line_color = (0.0,0.0,0.0,0.0), background_color = (1.0,1.0,1.0,0.0)):
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doc = App.activeDocument()
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for obj in doc.Objects:
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if obj.TypeId == 'Part::Feature':
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if 'AssemblyHandbook_Stage' in obj.PropertiesList:
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if 'AssemblyHandbook_RenderLines' in obj.PropertiesList and not obj.AssemblyHandbook_RenderLines:
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obj.ViewObject.LineColor = background_color
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else:
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obj.ViewObject.LineColor = line_color
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obj.ViewObject.DisplayMode = 'Flat Lines'
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obj.ViewObject.ShapeMaterial.AmbientColor = (0.0, 0.0, 0.0, 0.0)
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obj.ViewObject.ShapeMaterial.EmissiveColor = background_color
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def set_render_outlines(self):
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doc = App.activeDocument()
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step = 8
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r = step
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g = step
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b = step
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for obj in doc.Objects:
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if obj.TypeId == 'Part::Feature':
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if 'AssemblyHandbook_Stage' in obj.PropertiesList:
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obj.ViewObject.DisplayMode = 'Shaded'
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obj.ViewObject.ShapeMaterial.AmbientColor = (0.0, 0.0, 0.0, 0.0)
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obj.ViewObject.ShapeMaterial.DiffuseColor = (0.0, 0.0, 0.0, 0.0)
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obj.ViewObject.ShapeMaterial.SpecularColor = (0.0, 0.0, 0.0, 0.0)
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obj.ViewObject.ShapeMaterial.EmissiveColor = (r/255.0, g/255.0, b/255.0, 0.0)
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r = r + step
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if r >= 256 - step:
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r = step
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g = g + step
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if g >= 256 - step:
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g = step
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b = b + step
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if b >= 256 - step:
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b = step
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def reset_display(self):
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doc = App.activeDocument()
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for obj in doc.Objects:
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if obj.TypeId == 'Part::Feature':
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if 'AssemblyHandbook_Stage' in obj.PropertiesList:
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obj.ViewObject.LineColor = (0.0, 0.0, 0.0, 0.0)
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obj.ViewObject.DisplayMode = 'Flat Lines'
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obj.ViewObject.ShapeMaterial.AmbientColor = (0.3, 0.3, 0.3, 0.0)
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obj.ViewObject.ShapeMaterial.DiffuseColor = (1.0, 1.0, 1.0, 0.0)
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obj.ViewObject.ShapeMaterial.SpecularColor = (0.5, 0.5, 0.5, 0.0)
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obj.ViewObject.ShapeMaterial.EmissiveColor = (0.0, 0.0, 0.0, 0.0)
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workbench = Gui.getWorkbench("AssemblyHandbookWorkbench")
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workbench.context.onPartStageChanged(None)
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def Activated(self):
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resolution = (2000, 2000)
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filename = "/home/youen/dev_linux/vhelio-render/vhelio.png"
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temp_lines_file_name = tempfile.gettempdir() + "/ahb_temp_lines.png"
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temp_shapes_file_name = tempfile.gettempdir() + "/ahb_temp_shapes.png"
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self.set_render_outlines()
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Gui.ActiveDocument.ActiveView.saveImage(temp_shapes_file_name, resolution[0] * 2, resolution[1] * 2, "#ffffff")
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self.set_render_lines()
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Gui.ActiveDocument.ActiveView.saveImage(temp_lines_file_name, resolution[0], resolution[1], "#ffffff")
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self.reset_display()
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from PIL import Image, ImageFilter
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import time
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lines = Image.open(temp_lines_file_name)
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lines = lines.convert("L")
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shapes = Image.open(temp_shapes_file_name)
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startTime = time.perf_counter()
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outlines = None
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for x in range(0, 3):
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for y in range(0, 3):
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if x == 1 and y == 1: continue
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kernel = [0, 0, 0, 0, 1, 0, 0, 0, 0]
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kernel[y*3 + x] = -1
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partial_outlines = shapes.filter(ImageFilter.Kernel((3, 3), kernel, 1, 127))
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partial_outlines = partial_outlines.point(lambda p: 255 if p == 127 else 0)
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partial_outlines = partial_outlines.convert("L")
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partial_outlines = partial_outlines.point(lambda p: 255 if p == 255 else 0)
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if outlines is None:
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outlines = partial_outlines
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else:
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outlines.paste(partial_outlines, None, partial_outlines.point(lambda p: 255 - p))
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#outlines.save("/home/youen/dev_linux/vhelio-render/vhelio-outlines.png")
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#outlines = outlines.resize(lines.size, Image.BILINEAR)
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#lines.paste(outlines, None, outlines.point(lambda p: 255 - p))
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lines_fullres = lines.resize(outlines.size, Image.NEAREST)
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lines_fullres.paste(outlines, None, outlines.point(lambda p: 255 - p))
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lines = lines_fullres.resize(lines.size, Image.BILINEAR)
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endTime = time.perf_counter()
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print("Outline detection: " + str(round((endTime - startTime)*1000)/1000) + "s")
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lines.save(filename)
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from ahb_command import AHB_CommandWrapper
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AHB_CommandWrapper.addGuiCommand('AHB_render', AHB_Render())
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