mirror of https://github.com/GNOME/gimp.git
626 lines
18 KiB
C
626 lines
18 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
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*
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* gimppalette_pdb.c
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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/* NOTE: This file is auto-generated by pdbgen.pl */
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#include "config.h"
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#include "stamp-pdbgen.h"
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#include "gimp.h"
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/**
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* SECTION: gimppalette
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* @title: gimppalette
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* @short_description: Installable object, a small set of colors a user can choose from.
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*
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* Installable object, a small set of colors a user can choose from.
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**/
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/**
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* gimp_palette_new:
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* @name: The requested name of the new palette.
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*
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* Creates a new palette
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*
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* Creates a new palette. The new palette has no color entries. You
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* must add color entries for a user to choose. The actual name might
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* be different than the requested name, when the requested name is
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* already in use.
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*
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* Returns: (transfer none): The palette.
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*
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* Since: 2.2
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**/
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GimpPalette *
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gimp_palette_new (const gchar *name)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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GimpPalette *palette = NULL;
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args = gimp_value_array_new_from_types (NULL,
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G_TYPE_STRING, name,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-new",
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args);
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gimp_value_array_unref (args);
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if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
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palette = GIMP_VALUES_GET_PALETTE (return_vals, 1);
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gimp_value_array_unref (return_vals);
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return palette;
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}
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/**
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* gimp_palette_get_by_name:
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* @name: The name of the palette.
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*
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* Returns the palette with the given name.
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*
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* Returns an existing palette having the given name. Returns %NULL
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* when no palette exists of that name.
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*
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* Returns: (nullable) (transfer none): The palette.
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*
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* Since: 3.0
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**/
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GimpPalette *
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gimp_palette_get_by_name (const gchar *name)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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GimpPalette *palette = NULL;
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args = gimp_value_array_new_from_types (NULL,
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G_TYPE_STRING, name,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-get-by-name",
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args);
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gimp_value_array_unref (args);
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if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
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palette = GIMP_VALUES_GET_PALETTE (return_vals, 1);
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gimp_value_array_unref (return_vals);
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return palette;
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}
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/**
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* gimp_palette_get_color_count:
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* @palette: The palette.
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*
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* Get the count of colors in the palette.
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*
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* Returns the number of colors in the palette.
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*
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* Returns: The number of colors in the palette.
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*
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* Since: 2.2
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**/
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gint
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gimp_palette_get_color_count (GimpPalette *palette)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gint num_colors = 0;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-get-color-count",
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args);
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gimp_value_array_unref (args);
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if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
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num_colors = GIMP_VALUES_GET_INT (return_vals, 1);
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gimp_value_array_unref (return_vals);
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return num_colors;
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}
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/**
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* gimp_palette_get_colors:
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* @palette: The palette.
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*
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* Gets colors in the palette.
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*
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* Returns an array of colors in the palette. Free the returned array
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* with gimp_color_array_free().
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*
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* Returns: (array zero-terminated=1) (transfer full):
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* The colors in the palette.
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*
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* Since: 2.6
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**/
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GeglColor **
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gimp_palette_get_colors (GimpPalette *palette)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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GeglColor **colors = NULL;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-get-colors",
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args);
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gimp_value_array_unref (args);
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if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
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colors = gimp_color_array_copy (g_value_get_boxed (gimp_value_array_index (return_vals, 1)));
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gimp_value_array_unref (return_vals);
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return colors;
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}
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/**
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* gimp_palette_get_columns:
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* @palette: The palette.
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*
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* Gets the number of columns used to display the palette
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*
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* Gets the preferred number of columns to display the palette.
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*
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* Returns: The number of columns used to display this palette.
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*
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* Since: 2.4
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**/
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gint
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gimp_palette_get_columns (GimpPalette *palette)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gint num_columns = 0;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-get-columns",
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args);
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gimp_value_array_unref (args);
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if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
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num_columns = GIMP_VALUES_GET_INT (return_vals, 1);
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gimp_value_array_unref (return_vals);
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return num_columns;
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}
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/**
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* gimp_palette_set_columns:
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* @palette: The palette.
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* @columns: The new number of columns.
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*
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* Sets the number of columns used to display the palette
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*
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* Set the number of colors shown per row when the palette is
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* displayed. Returns an error when the palette is not editable. The
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* maximum allowed value is 64.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.4
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**/
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gboolean
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gimp_palette_set_columns (GimpPalette *palette,
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gint columns)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gboolean success = TRUE;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_INT, columns,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-set-columns",
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args);
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gimp_value_array_unref (args);
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success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
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gimp_value_array_unref (return_vals);
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return success;
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}
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/**
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* gimp_palette_add_entry:
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* @palette: The palette.
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* @entry_name: A name for the entry.
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* @color: The color for the added entry.
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* @entry_num: (out): The index of the added entry.
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*
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* Appends an entry to the palette.
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*
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* Appends an entry to the palette. Neither color nor name must be
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* unique within the palette. When name is the empty string, this sets
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* the entry name to \"Untitled\". Returns the index of the entry.
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* Returns an error when palette is not editable.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.2
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**/
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gboolean
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gimp_palette_add_entry (GimpPalette *palette,
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const gchar *entry_name,
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GeglColor *color,
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gint *entry_num)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gboolean success = TRUE;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_STRING, entry_name,
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GEGL_TYPE_COLOR, color,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-add-entry",
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args);
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gimp_value_array_unref (args);
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*entry_num = 0;
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success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
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if (success)
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*entry_num = GIMP_VALUES_GET_INT (return_vals, 1);
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gimp_value_array_unref (return_vals);
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return success;
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}
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/**
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* gimp_palette_delete_entry:
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* @palette: The palette.
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* @entry_num: The index of the entry to delete.
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*
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* Deletes an entry from the palette.
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*
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* This function will fail and return %FALSE if the index is out or
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* range or if the palette is not editable.
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* Additionally if the palette belongs to an indexed image, it will
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* only be possible to delete palette colors not in use in the image.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.2
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**/
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gboolean
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gimp_palette_delete_entry (GimpPalette *palette,
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gint entry_num)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gboolean success = TRUE;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_INT, entry_num,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-delete-entry",
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args);
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gimp_value_array_unref (args);
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success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
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gimp_value_array_unref (return_vals);
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return success;
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}
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/**
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* gimp_palette_get_entry_color:
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* @palette: The palette.
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* @entry_num: The index of the entry to get the color of.
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*
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* Gets the color of an entry in the palette.
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*
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* Returns the color of the entry at the given zero-based index into
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* the palette. Returns %NULL when the index is out of range.
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*
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* Returns: (transfer full): The color at the index.
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*
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* Since: 2.2
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**/
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GeglColor *
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gimp_palette_get_entry_color (GimpPalette *palette,
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gint entry_num)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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GeglColor *color = NULL;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_INT, entry_num,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-get-entry-color",
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args);
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gimp_value_array_unref (args);
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if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
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color = g_value_dup_object (gimp_value_array_index (return_vals, 1));
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gimp_value_array_unref (return_vals);
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return color;
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}
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/**
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* gimp_palette_set_entry_color:
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* @palette: The palette.
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* @entry_num: The entry to get.
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* @color: The new color.
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*
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* Sets the color of an entry in the palette.
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*
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* Sets the color of the entry at the zero-based index into the
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* palette. Returns an error when the index is out of range. Returns an
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* error when the palette is not editable.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.2
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**/
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gboolean
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gimp_palette_set_entry_color (GimpPalette *palette,
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gint entry_num,
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GeglColor *color)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gboolean success = TRUE;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_INT, entry_num,
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GEGL_TYPE_COLOR, color,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-set-entry-color",
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args);
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gimp_value_array_unref (args);
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success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
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gimp_value_array_unref (return_vals);
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return success;
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}
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/**
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* gimp_palette_get_entry_name:
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* @palette: The palette.
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* @entry_num: The entry to get.
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* @entry_name: (out) (transfer full): The name of the entry.
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*
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* Gets the name of an entry in the palette.
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*
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* Gets the name of the entry at the zero-based index into the palette.
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* Returns an error when the index is out of range.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.2
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**/
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gboolean
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gimp_palette_get_entry_name (GimpPalette *palette,
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gint entry_num,
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gchar **entry_name)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gboolean success = TRUE;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_INT, entry_num,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-get-entry-name",
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args);
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gimp_value_array_unref (args);
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*entry_name = NULL;
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success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
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if (success)
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*entry_name = GIMP_VALUES_DUP_STRING (return_vals, 1);
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gimp_value_array_unref (return_vals);
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return success;
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}
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/**
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* gimp_palette_set_entry_name:
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* @palette: The palette.
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* @entry_num: The entry to get.
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* @entry_name: The new name.
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*
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* Sets the name of an entry in the palette.
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*
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* Sets the name of the entry at the zero-based index into the palette.
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* Returns an error if the index is out or range. Returns an error if
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* the palette is not editable.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.2
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**/
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gboolean
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gimp_palette_set_entry_name (GimpPalette *palette,
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gint entry_num,
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const gchar *entry_name)
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{
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GimpValueArray *args;
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GimpValueArray *return_vals;
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gboolean success = TRUE;
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args = gimp_value_array_new_from_types (NULL,
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GIMP_TYPE_PALETTE, palette,
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G_TYPE_INT, entry_num,
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G_TYPE_STRING, entry_name,
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G_TYPE_NONE);
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return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
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"gimp-palette-set-entry-name",
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args);
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gimp_value_array_unref (args);
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success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
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gimp_value_array_unref (return_vals);
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return success;
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}
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/**
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* _gimp_palette_get_bytes:
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* @palette: The palette.
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* @format: The desired color format.
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* @num_colors: (out): The number of colors in the palette.
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*
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* Returns the palette's colormap
|
|
*
|
|
* This procedure returns a palette's colormap as a bytes array with
|
|
* all colors converted to a given Babl @format.
|
|
* The byte-size of the returned colormap depends on the number of
|
|
* colors and on the bytes-per-pixel size of @format. E.g. that the
|
|
* following equality is ensured:
|
|
*
|
|
* ```C
|
|
* g_bytes_get_size (colormap) == num_colors *
|
|
* babl_format_get_bytes_per_pixel (format)
|
|
* ```
|
|
*
|
|
* Returns: (transfer full): The image's colormap.
|
|
*
|
|
* Since: 3.0
|
|
**/
|
|
GBytes *
|
|
_gimp_palette_get_bytes (GimpPalette *palette,
|
|
const Babl *format,
|
|
gint *num_colors)
|
|
{
|
|
GimpValueArray *args;
|
|
GimpValueArray *return_vals;
|
|
GBytes *colormap = NULL;
|
|
|
|
args = gimp_value_array_new_from_types (NULL,
|
|
GIMP_TYPE_PALETTE, palette,
|
|
GIMP_TYPE_BABL_FORMAT, format,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
|
|
"gimp-palette-get-bytes",
|
|
args);
|
|
gimp_value_array_unref (args);
|
|
|
|
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
|
|
{
|
|
colormap = GIMP_VALUES_DUP_BYTES (return_vals, 1);
|
|
*num_colors = GIMP_VALUES_GET_INT (return_vals, 2);
|
|
}
|
|
|
|
gimp_value_array_unref (return_vals);
|
|
|
|
return colormap;
|
|
}
|
|
|
|
/**
|
|
* _gimp_palette_set_bytes:
|
|
* @palette: The palette.
|
|
* @format: The desired color format.
|
|
* @colormap: The new colormap values.
|
|
*
|
|
* Sets the entries in the image's colormap.
|
|
*
|
|
* This procedure sets the entries in the specified palette in one go.
|
|
* The number of entries depens on the size of @colormap and the
|
|
* bytes-per-pixel size of @format.
|
|
* The procedure will fail if the size of @colormap is not an exact
|
|
* multiple of the number of bytes per pixel of @format.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*
|
|
* Since: 3.0
|
|
**/
|
|
gboolean
|
|
_gimp_palette_set_bytes (GimpPalette *palette,
|
|
const Babl *format,
|
|
GBytes *colormap)
|
|
{
|
|
GimpValueArray *args;
|
|
GimpValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = gimp_value_array_new_from_types (NULL,
|
|
GIMP_TYPE_PALETTE, palette,
|
|
GIMP_TYPE_BABL_FORMAT, format,
|
|
G_TYPE_BYTES, colormap,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
|
|
"gimp-palette-set-bytes",
|
|
args);
|
|
gimp_value_array_unref (args);
|
|
|
|
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|