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4be9b7a401
This allows to force a GimpColorArea to display as out-of-gamut color. Current code was only considering the generic RGB case (outside of [0-1] range), and in particular not grayscale or indexed images. Ideally the GimpColorArea widget could be (optionally) made to follow a context, so that for instance it could update its representation when the context image changes, or when this image's type changes. Yet since it is a libgimpwidgets widget, it cannot get such update. Instead I add a new API function to display the color box with the out-of-gamut triangle. The decision code for this will have to be done elsewhere. Use this new API for GimpColorHistory to display non-gray colors in the history as out-of-gamut on grayscale images, or colors absent of the palette on indexed images.
98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpcolorarea.h
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* Copyright (C) 2001-2002 Sven Neumann <sven@gimp.org>
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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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/* This provides a color preview area. The preview
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* can handle transparency by showing the checkerboard and
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* handles drag'n'drop.
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*/
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#if !defined (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
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#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
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#endif
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#ifndef __GIMP_COLOR_AREA_H__
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#define __GIMP_COLOR_AREA_H__
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G_BEGIN_DECLS
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#define GIMP_TYPE_COLOR_AREA (gimp_color_area_get_type ())
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#define GIMP_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_AREA, GimpColorArea))
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#define GIMP_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
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#define GIMP_IS_COLOR_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_AREA))
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#define GIMP_IS_COLOR_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_AREA))
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#define GIMP_COLOR_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_AREA, GimpColorAreaClass))
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typedef struct _GimpColorAreaPrivate GimpColorAreaPrivate;
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typedef struct _GimpColorAreaClass GimpColorAreaClass;
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struct _GimpColorArea
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{
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GtkDrawingArea parent_instance;
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GimpColorAreaPrivate *priv;
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};
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struct _GimpColorAreaClass
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{
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GtkDrawingAreaClass parent_class;
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void (* color_changed) (GimpColorArea *area);
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/* Padding for future expansion */
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void (* _gimp_reserved1) (void);
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void (* _gimp_reserved2) (void);
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void (* _gimp_reserved3) (void);
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void (* _gimp_reserved4) (void);
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void (* _gimp_reserved5) (void);
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void (* _gimp_reserved6) (void);
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void (* _gimp_reserved7) (void);
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void (* _gimp_reserved8) (void);
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};
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GType gimp_color_area_get_type (void) G_GNUC_CONST;
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GtkWidget * gimp_color_area_new (const GimpRGB *color,
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GimpColorAreaType type,
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GdkModifierType drag_mask);
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void gimp_color_area_set_color (GimpColorArea *area,
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const GimpRGB *color);
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void gimp_color_area_get_color (GimpColorArea *area,
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GimpRGB *color);
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gboolean gimp_color_area_has_alpha (GimpColorArea *area);
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void gimp_color_area_set_type (GimpColorArea *area,
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GimpColorAreaType type);
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void gimp_color_area_set_draw_border (GimpColorArea *area,
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gboolean draw_border);
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void gimp_color_area_set_out_of_gamut (GimpColorArea *area,
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gboolean out_of_gamut);
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void gimp_color_area_set_color_config (GimpColorArea *area,
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GimpColorConfig *config);
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G_END_DECLS
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#endif /* __GIMP_COLOR_AREA_H__ */
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