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pdb: add a PDB procedure for extract-component

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This commit is contained in:
Ian Martins
2021-05-12 06:08:02 -04:00
committed by Jehan
parent 1905197983
commit dbf9f277a2
5 changed files with 181 additions and 0 deletions
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88
app/pdb/drawable-color-cmds.c
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@ -293,6 +293,53 @@ drawable_curves_spline_invoker (GimpProcedure *procedure,
error ? *error : NULL);
}
static GimpValueArray *
drawable_extract_component_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpDrawable *drawable;
guint8 component;
gboolean invert;
gboolean linear;
drawable = gimp_value_get_drawable (gimp_value_array_index (args, 0), gimp);
component = g_value_get_uint (gimp_value_array_index (args, 1));
invert = g_value_get_boolean (gimp_value_array_index (args, 2));
linear = g_value_get_boolean (gimp_value_array_index (args, 3));
if (success)
{
if (gimp_pdb_item_is_attached (GIMP_ITEM (drawable), NULL,
GIMP_PDB_ITEM_CONTENT, error) &&
gimp_pdb_item_is_not_group (GIMP_ITEM (drawable), error) &&
gimp_drawable_is_rgb (drawable))
{
GeglNode *node =
gegl_node_new_child (NULL,
"operation", "gegl:component-extract",
"component", component,
"invert", invert,
"linear", linear,
NULL);
gimp_drawable_apply_operation (drawable, progress,
C_("undo-type", "Extract Component"),
node);
g_object_unref (node);
}
else
success = FALSE;
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
static GimpValueArray *
drawable_desaturate_invoker (GimpProcedure *procedure,
Gimp *gimp,
@ -1010,6 +1057,47 @@ register_drawable_color_procs (GimpPDB *pdb)
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
/*
* gimp-drawable-extract-component
*/
procedure = gimp_procedure_new (drawable_extract_component_invoker);
gimp_object_set_static_name (GIMP_OBJECT (procedure),
"gimp-drawable-extract-component");
gimp_procedure_set_static_strings (procedure,
"gimp-drawable-extract-component",
"Extract a color model component.",
"Extract a color model component.",
"",
"",
"2021",
NULL);
gimp_procedure_add_argument (procedure,
gimp_param_spec_drawable_id ("drawable",
"drawable",
"The drawable",
pdb->gimp, FALSE,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
gimp_param_spec_int8 ("component",
"component",
"Commponent (RGB Red (0), RGB Green (1), RGB Blue (2), Hue (3), HSV Saturation (4), HSV Value (5), HSL Saturation (6), HSL Lightness (7), CMYK Cyan (8), CMYK Magenta (9), CMYK Yellow (10), CMYK Key (11), Y'CbCr Y' (12), Y'CbCr Cb (13), Y'CbCr Cr (14), LAB L (15), LAB A (16), LAB B (17), LCH C(ab) (18), LCH H(ab) (19), Alpha (20))",
0, 20, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
g_param_spec_boolean ("invert",
"invert",
"Invert the extracted component",
FALSE,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
g_param_spec_boolean ("linear",
"linear",
"Use linear output instead of gamma corrected",
FALSE,
GIMP_PARAM_READWRITE));
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
/*
* gimp-drawable-desaturate
*/