5e8f4f5e00
By default a palette can contain any mix of color models and space. These new internal API add a concept of format/space restriction. For now this will only be used for indexed images whose palette should only contain colors for the specific palette format and space (at least as currently implemented in GIMP).
115 lines
4.9 KiB
C
115 lines
4.9 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_PALETTE_H__
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#define __GIMP_PALETTE_H__
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#include "gimpdata.h"
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#define GIMP_TYPE_PALETTE (gimp_palette_get_type ())
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#define GIMP_PALETTE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PALETTE, GimpPalette))
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#define GIMP_PALETTE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PALETTE, GimpPaletteClass))
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#define GIMP_IS_PALETTE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PALETTE))
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#define GIMP_IS_PALETTE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PALETTE))
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#define GIMP_PALETTE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PALETTE, GimpPaletteClass))
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struct _GimpPaletteEntry
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{
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GeglColor *color;
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gchar *name;
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};
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typedef struct _GimpPaletteClass GimpPaletteClass;
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struct _GimpPalette
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{
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GimpData parent_instance;
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/* Palette colors can be restricted to a given format. If NULL, then the
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* palette can be a mix of color models and color spaces.
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*/
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const Babl *format;
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GList *colors;
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gint n_colors;
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gint n_columns;
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};
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struct _GimpPaletteClass
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{
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GimpDataClass parent_class;
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void (* entry_changed) (GimpPalette *palette,
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gint index);
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};
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GType gimp_palette_get_type (void) G_GNUC_CONST;
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GimpData * gimp_palette_new (GimpContext *context,
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const gchar *name);
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GimpData * gimp_palette_get_standard (GimpContext *context);
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void gimp_palette_restrict_format (GimpPalette *palette,
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const Babl *format);
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const Babl * gimp_palette_get_restriction (GimpPalette *palette);
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GList * gimp_palette_get_colors (GimpPalette *palette);
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gint gimp_palette_get_n_colors (GimpPalette *palette);
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void gimp_palette_move_entry (GimpPalette *palette,
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GimpPaletteEntry *entry,
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gint position);
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GimpPaletteEntry * gimp_palette_add_entry (GimpPalette *palette,
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gint position,
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const gchar *name,
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GeglColor *color);
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void gimp_palette_delete_entry (GimpPalette *palette,
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GimpPaletteEntry *entry);
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gboolean gimp_palette_set_entry (GimpPalette *palette,
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gint position,
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const gchar *name,
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GeglColor *color);
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gboolean gimp_palette_set_entry_color (GimpPalette *palette,
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gint position,
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GeglColor *color,
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gboolean push_undo_if_image);
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gboolean gimp_palette_set_entry_name (GimpPalette *palette,
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gint position,
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const gchar *name);
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GimpPaletteEntry * gimp_palette_get_entry (GimpPalette *palette,
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gint position);
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gint gimp_palette_get_entry_position (GimpPalette *palette,
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GimpPaletteEntry *entry);
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void gimp_palette_set_columns (GimpPalette *palette,
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gint columns);
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gint gimp_palette_get_columns (GimpPalette *palette);
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GimpPaletteEntry * gimp_palette_find_entry (GimpPalette *palette,
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GeglColor *color,
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GimpPaletteEntry *start_from);
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#endif /* __GIMP_PALETTE_H__ */
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