Diffuse and sharpen: add local contrast fine (#16194)

* Add local contrast fine diffuse and sharpen preset * Adjust local contrast fine preset: prevent dark halos in shadows and improve high contrast edges
darktable-org · Jan 29, 2024 · 8dcc29d · 8dcc29d
1 parent 71652d9
commit 8dcc29d
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/src/iop/diffuse.c b/src/iop/diffuse.c
@@ -600,6 +600,31 @@ void init_presets(dt_iop_module_so_t *self)
                              sizeof(dt_iop_diffuse_params_t), 1,
                              DEVELOP_BLEND_CS_RGB_SCENE);
 
+  dt_gui_presets_add_generic(_("local contrast: fine"), self->op, self->version(),
+                             &(dt_iop_diffuse_params_t)
+                               { .iterations = 5,
+                                 .radius_center = 0,
+                                 .radius = 170,
+
+                                 .first = -0.15f,
+                                 .second = 0.05f,
+                                 .third = 0.05f,
+                                 .fourth = -0.15f,
+
+                                 .anisotropy_first = 10.f,
+                                 .anisotropy_second = 0.f,
+                                 .anisotropy_third = 0.f,
+                                 .anisotropy_fourth = 10.f,
+
+                                 .sharpness = 0.0f,
+                                 .regularization = 2.f,
+                                 .variance_threshold = 0.f,
+
+                                 .threshold = 0.0f
+                               },
+                             sizeof(dt_iop_diffuse_params_t), 1,
+                             DEVELOP_BLEND_CS_RGB_SCENE);
+
   dt_gui_presets_add_generic(_("inpaint highlights"), self->op, self->version(),
                              &(dt_iop_diffuse_params_t)
                                { .iterations = 32,