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Merge pull request #6577 from Ultimaker/litho_alpha

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make lithophane alpha channel control total final width multiplier.
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ninovanhooff 2019-12-16 14:21:15 +01:00 committed by GitHub
commit ed838baafa
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1 changed files with 6 additions and 1 deletions
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7
plugins/ImageReader/ImageReader.py
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@ -5,7 +5,7 @@ import numpy
import math import math
from PyQt5.QtGui import QImage, qRed, qGreen, qBlue from PyQt5.QtGui import QImage, qRed, qGreen, qBlue, qAlpha
from PyQt5.QtCore import Qt from PyQt5.QtCore import Qt
from UM.Mesh.MeshReader import MeshReader from UM.Mesh.MeshReader import MeshReader
@ -138,6 +138,11 @@ class ImageReader(MeshReader):
height_data *= scale_vector.y height_data *= scale_vector.y
height_data += base_height height_data += base_height
if img.hasAlphaChannel():
for x in range(0, width):
for y in range(0, height):
height_data[y, x] *= qAlpha(img.pixel(x, y)) / 255.0
heightmap_face_count = 2 * height_minus_one * width_minus_one heightmap_face_count = 2 * height_minus_one * width_minus_one
total_face_count = heightmap_face_count + (width_minus_one * 2) * (height_minus_one * 2) + 2 total_face_count = heightmap_face_count + (width_minus_one * 2) * (height_minus_one * 2) + 2