static GimpValueArray *
image_convert_indexed_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpImage *image;
gint32 dither_type;
gint32 palette_type;
gint32 num_cols;
gboolean alpha_dither;
gboolean remove_unused;
const gchar *palette;
image = gimp_value_get_image (gimp_value_array_index (args, 0), gimp);
dither_type = g_value_get_enum (gimp_value_array_index (args, 1));
palette_type = g_value_get_enum (gimp_value_array_index (args, 2));
num_cols = g_value_get_int (gimp_value_array_index (args, 3));
alpha_dither = g_value_get_boolean (gimp_value_array_index (args, 4));
remove_unused = g_value_get_boolean (gimp_value_array_index (args, 5));
palette = g_value_get_string (gimp_value_array_index (args, 6));
if (success)
{
GimpPalette *pal = NULL;
if (gimp_pdb_image_is_not_base_type (image, GIMP_INDEXED, error) &&
gimp_pdb_image_is_precision (image, GIMP_PRECISION_U8, error) &&
gimp_item_stack_is_flat (GIMP_ITEM_STACK (gimp_image_get_layers (image))))
{
switch (palette_type)
{
case GIMP_MAKE_PALETTE:
if (num_cols < 1 || num_cols > MAXNUMCOLORS)
success = FALSE;
break;
case GIMP_CUSTOM_PALETTE:
pal = gimp_pdb_get_palette (gimp, palette, FALSE, error);
if (! pal)
{
success = FALSE;
}
else if (pal->n_colors > MAXNUMCOLORS)
{
g_set_error_literal (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Cannot convert to a palette "
"with more than 256 colors."));
success = FALSE;
}
break;
default:
break;
}
}
else
{
success = FALSE;
}
if (success)
success = gimp_image_convert_type (image, GIMP_INDEXED,
num_cols, dither_type,
alpha_dither, FALSE, remove_unused,
palette_type, pal,
NULL, error);
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
void
image_actions_update (GimpActionGroup *group,
gpointer data)
{
GimpImage *image = action_data_get_image (data);
gboolean is_indexed = FALSE;
gboolean is_u8_gamma = FALSE;
gboolean aux = FALSE;
gboolean lp = FALSE;
gboolean sel = FALSE;
gboolean groups = FALSE;
gboolean profile = FALSE;
if (image)
{
GimpContainer *layers;
const gchar *action = NULL;
switch (gimp_image_get_base_type (image))
{
case GIMP_RGB: action = "image-convert-rgb"; break;
case GIMP_GRAY: action = "image-convert-grayscale"; break;
case GIMP_INDEXED: action = "image-convert-indexed"; break;
}
gimp_action_group_set_action_active (group, action, TRUE);
switch (gimp_image_get_precision (image))
{
case GIMP_PRECISION_U8_LINEAR:
action = "image-convert-u8-linear";
break;
case GIMP_PRECISION_U8_GAMMA:
action = "image-convert-u8-gamma";
break;
case GIMP_PRECISION_U16_LINEAR:
action = "image-convert-u16-linear";
break;
case GIMP_PRECISION_U16_GAMMA:
action = "image-convert-u16-gamma";
break;
case GIMP_PRECISION_U32_LINEAR:
action = "image-convert-u32-linear";
break;
case GIMP_PRECISION_U32_GAMMA:
action = "image-convert-u32-gamma";
break;
case GIMP_PRECISION_HALF_LINEAR:
action = "image-convert-half-linear";
break;
case GIMP_PRECISION_HALF_GAMMA:
action = "image-convert-half-gamma";
break;
case GIMP_PRECISION_FLOAT_LINEAR:
action = "image-convert-float-linear";
break;
case GIMP_PRECISION_FLOAT_GAMMA:
action = "image-convert-float-gamma";
break;
case GIMP_PRECISION_DOUBLE_LINEAR:
action = "image-convert-double-linear";
break;
case GIMP_PRECISION_DOUBLE_GAMMA:
action = "image-convert-double-gamma";
break;
}
gimp_action_group_set_action_active (group, action, TRUE);
is_indexed = (gimp_image_get_base_type (image) == GIMP_INDEXED);
is_u8_gamma = (gimp_image_get_precision (image) ==
GIMP_PRECISION_U8_GAMMA);
aux = (gimp_image_get_active_channel (image) != NULL);
lp = ! gimp_image_is_empty (image);
sel = ! gimp_channel_is_empty (gimp_image_get_mask (image));
layers = gimp_image_get_layers (image);
groups = ! gimp_item_stack_is_flat (GIMP_ITEM_STACK (layers));
profile = (gimp_image_get_icc_parasite (image) != NULL);
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("image-convert-rgb", image);
SET_SENSITIVE ("image-convert-grayscale", image);
SET_SENSITIVE ("image-convert-indexed", image && !groups && is_u8_gamma);
SET_SENSITIVE ("image-convert-u8-gamma", image);
SET_SENSITIVE ("image-convert-u8-linear", image && !is_indexed);
SET_SENSITIVE ("image-convert-u16-gamma", image && !is_indexed);
SET_SENSITIVE ("image-convert-u16-linear", image && !is_indexed);
SET_SENSITIVE ("image-convert-u32-gamma", image && !is_indexed);
SET_SENSITIVE ("image-convert-u32-linear", image && !is_indexed);
SET_SENSITIVE ("image-convert-half-gamma", image && !is_indexed);
SET_SENSITIVE ("image-convert-half-linear", image && !is_indexed);
SET_SENSITIVE ("image-convert-float-gamma", image && !is_indexed);
SET_SENSITIVE ("image-convert-float-linear", image && !is_indexed);
SET_SENSITIVE ("image-convert-double-gamma", image && !is_indexed);
SET_SENSITIVE ("image-convert-double-linear", image && !is_indexed);
SET_SENSITIVE ("image-color-profile-assign", image);
SET_SENSITIVE ("image-color-profile-convert", image);
SET_SENSITIVE ("image-color-profile-discard", image && profile);
SET_SENSITIVE ("image-flip-horizontal", image);
SET_SENSITIVE ("image-flip-vertical", image);
SET_SENSITIVE ("image-rotate-90", image);
SET_SENSITIVE ("image-rotate-180", image);
SET_SENSITIVE ("image-rotate-270", image);
SET_SENSITIVE ("image-resize", image);
SET_SENSITIVE ("image-resize-to-layers", image);
SET_SENSITIVE ("image-resize-to-selection", image && sel);
SET_SENSITIVE ("image-print-size", image);
SET_SENSITIVE ("image-scale", image);
SET_SENSITIVE ("image-crop-to-selection", image && sel);
SET_SENSITIVE ("image-crop-to-content", image);
SET_SENSITIVE ("image-duplicate", image);
SET_SENSITIVE ("image-merge-layers", image && !aux && lp);
SET_SENSITIVE ("image-flatten", image && !aux && lp);
SET_SENSITIVE ("image-configure-grid", image);
SET_SENSITIVE ("image-properties", image);
#undef SET_SENSITIVE
}
