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possibility to specify different rendering colors for previous stages and current stage

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Youen Toupin 3 years ago
parent
5ec252777d
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7a0b2c175d
1 changed files with 95 additions and 25 deletions
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  1. 120
      ahb_cmd_render.py

120
ahb_cmd_render.py
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@ -1,5 +1,6 @@
import os
import tempfile
from typing import Optional
import FreeCADGui as Gui
import FreeCAD as App
@ -14,20 +15,21 @@ class AHB_Render:
def IsActive(self):
return True
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)):
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), mask_stages_below: Optional[int] = None, mask_color=(1.0,1.0,1.0)):
doc = App.activeDocument()
for obj in doc.Objects:
if obj.TypeId == 'Part::Feature':
if 'AssemblyHandbook_Stage' in obj.PropertiesList:
masked = mask_stages_below is not None and obj.AssemblyHandbook_Stage < mask_stages_below
if 'AssemblyHandbook_RenderLines' in obj.PropertiesList and not obj.AssemblyHandbook_RenderLines:
obj.ViewObject.LineColor = background_color
else:
obj.ViewObject.LineColor = line_color
obj.ViewObject.DisplayMode = 'Flat Lines'
obj.ViewObject.DisplayMode = 'Flat Lines' if not masked else 'Shaded'
obj.ViewObject.ShapeMaterial.AmbientColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.EmissiveColor = background_color
obj.ViewObject.ShapeMaterial.EmissiveColor = background_color if not masked else mask_color
def set_render_outlines(self):
def set_render_outlines(self, mask_stages_below: Optional[int] = None):
doc = App.activeDocument()
step = 8
r = step
@ -36,11 +38,12 @@ class AHB_Render:
for obj in doc.Objects:
if obj.TypeId == 'Part::Feature':
if 'AssemblyHandbook_Stage' in obj.PropertiesList:
masked = mask_stages_below is not None and obj.AssemblyHandbook_Stage < mask_stages_below
obj.ViewObject.DisplayMode = 'Shaded'
obj.ViewObject.ShapeMaterial.AmbientColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.DiffuseColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.SpecularColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.EmissiveColor = (r/255.0, g/255.0, b/255.0, 0.0)
obj.ViewObject.ShapeMaterial.EmissiveColor = (r/255.0, g/255.0, b/255.0, 0.0) if not masked else (1.0,1.0,1.0,0.0)
r = r + step
if r >= 256 - step:
@ -67,35 +70,38 @@ class AHB_Render:
workbench = Gui.getWorkbench("AssemblyHandbookWorkbench")
workbench.context.onPartStageChanged(None)
def Activated(self):
resolution = (2000, 2000)
filename = "/home/youen/dev_linux/vhelio-render/vhelio.png"
def render(self, resolution, filename: str, line_color=(0.0, 0.0, 0.0, 0.0), fill_color=(1.0, 1.0, 1.0, 0.0), mask_stages_below: Optional[int] = None):
import time
from PIL import Image, ImageFilter
render_start_time = time.perf_counter()
temp_lines_file_name = tempfile.gettempdir() + "/ahb_temp_lines.png"
temp_shapes_file_name = tempfile.gettempdir() + "/ahb_temp_shapes.png"
self.set_render_outlines()
self.set_render_outlines(mask_stages_below=mask_stages_below)
Gui.ActiveDocument.ActiveView.saveImage(temp_shapes_file_name, resolution[0] * 2, resolution[1] * 2, "#ffffff")
self.set_render_lines()
Gui.ActiveDocument.ActiveView.saveImage(temp_lines_file_name, resolution[0], resolution[1], "#ffffff")
# render lines in black, background in red, fill shapes in green
# the green band contains the lines images, the red band contains the inverted alpha layer
self.set_render_lines((0.0,0.0,0.0), (0.0,1.0,0.0), mask_stages_below=mask_stages_below, mask_color=(1.0,0.0,0.0))
Gui.ActiveDocument.ActiveView.saveImage(temp_lines_file_name, resolution[0], resolution[1], "#ff0000")
self.reset_display()
from PIL import Image, ImageFilter
import time
lines = Image.open(temp_lines_file_name)
lines = lines.convert("L")
lines_bands = Image.open(temp_lines_file_name).split()
lines = lines_bands[1]
alpha_band = lines_bands[0].point(lambda p: 255 - p)
shapes = Image.open(temp_shapes_file_name)
startTime = time.perf_counter()
outlines_start_time = time.perf_counter()
outlines = None
for x in range(0, 3):
for y in range(0, 3):
if x == 1 and y == 1: continue
kernel = [0, 0, 0, 0, 1, 0, 0, 0, 0]
kernel[y*3 + x] = -1
kernel[y * 3 + x] = -1
partial_outlines = shapes.filter(ImageFilter.Kernel((3, 3), kernel, 1, 127))
partial_outlines = partial_outlines.point(lambda p: 255 if p == 127 else 0)
partial_outlines = partial_outlines.convert("L")
@ -103,20 +109,84 @@ class AHB_Render:
if outlines is None:
outlines = partial_outlines
else:
outlines.paste(partial_outlines, None, partial_outlines.point(lambda p: 255 - p))
outlines.paste(partial_outlines, None, partial_outlines.point(lambda p: 0 if p == 255 else 255))
#outlines.save("/home/youen/dev_linux/vhelio-render/vhelio-outlines.png")
# outlines.save("/home/youen/dev_linux/vhelio-render/vhelio-outlines.png")
#outlines = outlines.resize(lines.size, Image.BILINEAR)
#lines.paste(outlines, None, outlines.point(lambda p: 255 - p))
# outlines = outlines.resize(lines.size, Image.BILINEAR)
# lines.paste(outlines, None, outlines.point(lambda p: 255 - p))
lines_fullres = lines.resize(outlines.size, Image.NEAREST)
lines_fullres.paste(outlines, None, outlines.point(lambda p: 255 - p))
lines_fullres.paste(outlines, None, outlines.point(lambda p: 0 if p == 255 else 255))
lines = lines_fullres.resize(lines.size, Image.BILINEAR)
endTime = time.perf_counter()
print("Outline detection: " + str(round((endTime - startTime)*1000)/1000) + "s")
lines.save(filename)
alpha_band_fullres = alpha_band.resize(outlines.size, Image.NEAREST)
alpha_band_fullres.paste(outlines.point(lambda p: 255), None, outlines.point(lambda p: 0 if p == 255 else 255))
alpha_band = alpha_band_fullres.resize(lines.size, Image.BILINEAR)
outlines_end_time = time.perf_counter()
# colorize
result = Image.merge("RGBA", [
lines.point(lambda p: int(fill_color[0] * p + line_color[0]*(255.0-p))),
lines.point(lambda p: int(fill_color[1] * p + line_color[1] * (255.0 - p))),
lines.point(lambda p: int(fill_color[2] * p + line_color[2] * (255.0 - p))),
alpha_band
])
result.save(filename)
print("Rendered " + filename + " in " + str(
round((outlines_end_time - render_start_time) * 1000) / 1000) + "s (outlines detection in " + str(
round((outlines_end_time - outlines_start_time) * 1000) / 1000) + "s)")
def Activated(self):
import shutil
from PIL import Image, ImageFilter
workbench = Gui.getWorkbench("AssemblyHandbookWorkbench")
doc = App.activeDocument()
doc_file_name: str = doc.FileName
if doc_file_name is None:
raise BaseException("You must save your FreeCAD document before rendering images")
filename = os.path.splitext(doc_file_name)[0] + ".png"
dir = os.path.dirname(filename)
workbench.context.setAllStagesVisible(True)
self.render((2000, 2000), filename)
render_stages = True
if render_stages:
shutil.rmtree(dir + "/stages", ignore_errors=True)
os.makedirs(dir + "/stages", exist_ok=True)
all_stages = workbench.context.getAllStages()
prev_stage_id: Optional[int] = None
for stage_id in all_stages:
stage_name = str(stage_id)
while len(stage_name) < 6:
stage_name = "0" + stage_name
resolution = (2000, 2000)
if prev_stage_id is not None:
workbench.context.setActiveStage(prev_stage_id)
workbench.context.setAllStagesVisible(False)
self.render(resolution, dir + "/stages/" + stage_name + "-bg.png", (0.5, 0.5, 0.5), (0.75,0.75,0.75))
workbench.context.setActiveStage(stage_id)
workbench.context.setAllStagesVisible(False)
self.render(resolution, dir + "/stages/" + stage_name + ".png", mask_stages_below=stage_id)
if prev_stage_id is not None:
# merge previous stages background with new stage
bg = Image.open(dir + "/stages/" + stage_name + "-bg.png")
os.remove(dir + "/stages/" + stage_name + "-bg.png")
new = Image.open(dir + "/stages/" + stage_name + ".png")
bg.paste(new, None, new.getchannel('A'))
bg.save(dir + "/stages/" + stage_name + ".png")
if prev_stage_id is not None:
pass
prev_stage_id = stage_id
workbench.context.setAllStagesVisible(True)
from ahb_command import AHB_CommandWrapper
AHB_CommandWrapper.addGuiCommand('AHB_render', AHB_Render())

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