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Add Silverfast 3-layer-file support #8

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Add Silverfast 3-layer-file support #8

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21 changes: 18 additions & 3 deletions signynts-darkroom-script.py
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Original file line number Diff line number Diff line change
Expand Up @@ -169,13 +169,20 @@ def dust_removal(infrared_image, inverted_image, r_channel):

def signynts_darkroom_script(file_input):
layered, negative_input = cv2.imreadmulti(file_input, [], cv2.IMREAD_UNCHANGED)

if len(negative_input) == 3: # silverfast 9 images seem to have 3 layers
ir_silverfast_3l = True
ir_silverfast = False
ir_none = False
ir_vuescan = False

if len(negative_input) == 2: # silverfast images have 2 layers
ir_silverfast_3l = False
ir_silverfast = True
ir_none = False
ir_vuescan = False

elif len(negative_input) == 1: # vuescan images have 1 layer
ir_silverfast_3l = False
ir_silverfast = False
ir_vuescan = False
ir_none = True
Expand All @@ -184,12 +191,20 @@ def signynts_darkroom_script(file_input):
ir_vuescan = True
ir_none = False

if ir_silverfast:
if ir_silverfast_3l:
print(' Identified image as Silverfast scan')

inverted_image, r_channel = negative_inversion(negative_input[0])
dust_removed = dust_removal(negative_input[2], inverted_image, r_channel)
combined = np.dstack((inverted_image, dust_removed))

elif ir_silverfast:
print(' Identified image as Silverfast scan')

inverted_image, r_channel = negative_inversion(negative_input[0])
dust_removed = dust_removal(negative_input[1], inverted_image, r_channel)
combined = np.dstack((inverted_image, dust_removed))

elif ir_vuescan:
print(' Identified image as VueScan scan')

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