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Spektrafilm (dev branch) analog film simulation module #21534

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Spektrafilm (dev branch) analog film simulation module #21534

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daeecc4
initial darktable spektrafilm commit
piratenpanda Jul 12, 2026
6ac3194
Remove superflous mentions of the old module
piratenpanda Jul 12, 2026
6cd405b
fix film selection dropdown default
piratenpanda Jul 12, 2026
bcf5a0e
fix for kodak_2302 negative bw paper
piratenpanda Jul 12, 2026
521a762
reorg files to /common
piratenpanda Jul 12, 2026
727c138
Use dt_gaussian_mean_blur_cl instead of fast to avoid border artifacts
piratenpanda Jul 13, 2026
1692465
Add advanced options drop down menu to reduce default height of module
piratenpanda Jul 13, 2026
b7bb339
reset print exposure to 0 EV when enabling auto print exposure
piratenpanda Jul 13, 2026
4ca3ae0
move scan film option to the advanced section as it's a rather automa…
piratenpanda Jul 13, 2026
fbfe4de
remove tick from disabled auto print exposure toggle for positive films
piratenpanda Jul 13, 2026
0bac56e
Change module to lowercase and write better description
piratenpanda Jul 14, 2026
2d6311a
register spektrafilm in the legacy iop-order migration path
piratenpanda Jul 14, 2026
ce335f2
Add tabbed interface to prepare for more options
piratenpanda Jul 15, 2026
061e551
add remaining spektrafilm diffusion filters, add preflash, add pre co…
piratenpanda Jul 15, 2026
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1 change: 1 addition & 0 deletions data/kernels/programs.conf
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Expand Up @@ -42,3 +42,4 @@ capture.cl 38
agx.cl 39
colorharmonizer.cl 40
overlay.cl 41
spektrafilm.cl 42
700 changes: 700 additions & 0 deletions data/kernels/spektrafilm.cl
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2 changes: 2 additions & 0 deletions src/CMakeLists.txt
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Expand Up @@ -88,6 +88,8 @@ FILE(GLOB SOURCE_FILES
"common/ratings.c"
"common/resource_limits.c"
"common/selection.c"
"common/spektra_core.c"
"common/spektra_sim.c"
"common/splines.cpp"
"common/styles.c"
"common/system_signal_handling.c"
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5 changes: 5 additions & 0 deletions src/common/iop_order.c
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Expand Up @@ -144,6 +144,7 @@ const dt_iop_order_entry_t legacy_order[] = {
{ {45.5f }, "agx", 0},
{ {46.0f }, "filmic", 0},
{ {46.5f }, "filmicrgb", 0},
{ { 46.7f }, "spektrafilm", 0 },
{ {47.0f }, "colisa", 0},
{ {48.0f }, "zonesystem", 0},
{ {49.0f }, "tonecurve", 0},
Expand Down Expand Up @@ -258,6 +259,7 @@ const dt_iop_order_entry_t v30_order[] = {
{ {45.3f }, "sigmoid", 0},
{ {45.5f }, "agx", 0},
{ {46.0f }, "filmicrgb", 0}, // same, upgraded
{ { 46.7f }, "spektrafilm", 0 },
{ {36.0f }, "lut3d", 0}, // apply a creative style or film emulation, possibly non-linear
{ {47.0f }, "colisa", 0}, // edit contrast while damaging colour
{ {48.0f }, "tonecurve", 0}, // same
Expand Down Expand Up @@ -377,6 +379,7 @@ const dt_iop_order_entry_t v50_order[] = {
{ {45.3f }, "sigmoid", 0},
{ {45.5f }, "agx", 0},
{ {46.0f }, "filmicrgb", 0}, // same, upgraded
{ { 46.7f }, "spektrafilm", 0 },
{ {36.0f }, "lut3d", 0}, // apply a creative style or film emulation, possibly non-linear
{ {47.0f }, "colisa", 0}, // edit contrast while damaging colour
{ {48.0f }, "tonecurve", 0}, // same
Expand Down Expand Up @@ -497,6 +500,7 @@ const dt_iop_order_entry_t v30_jpg_order[] = {
{ {45.5f }, "agx", 0},
{ { 45.3f }, "sigmoid", 0},
{ { 46.0f }, "filmicrgb", 0 }, // same, upgraded
{ { 46.7f }, "spektrafilm", 0 },
{ { 36.0f }, "lut3d", 0 }, // apply a creative style or film emulation, possibly non-linear
{ { 47.0f }, "colisa", 0 }, // edit contrast while damaging colour
{ { 48.0f }, "tonecurve", 0 }, // same
Expand Down Expand Up @@ -619,6 +623,7 @@ const dt_iop_order_entry_t v50_jpg_order[] = {
{ { 45.3f }, "sigmoid", 0},
{ {45.5f }, "agx", 0},
{ { 46.0f }, "filmicrgb", 0 }, // same, upgraded
{ { 46.7f }, "spektrafilm", 0 },
{ { 36.0f }, "lut3d", 0 }, // apply a creative style or film emulation, possibly non-linear
{ { 47.0f }, "colisa", 0 }, // edit contrast while damaging colour
{ { 48.0f }, "tonecurve", 0 }, // same
Expand Down
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