gimp/libgimpwidgets/gimpcolorscale.h

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
* gimpcolorscale.h
* Copyright (C) 2002 Sven Neumann <sven@gimp.org>
* Michael Natterer <mitch@gimp.org>
*
* 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
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
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*/
#if !defined (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
#endif
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#ifndef __GIMP_COLOR_SCALE_H__
#define __GIMP_COLOR_SCALE_H__
G_BEGIN_DECLS
#define GIMP_TYPE_COLOR_SCALE (gimp_color_scale_get_type ())
#define GIMP_COLOR_SCALE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_SCALE, GimpColorScale))
#define GIMP_COLOR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_SCALE, GimpColorScaleClass))
#define GIMP_IS_COLOR_SCALE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_SCALE))
#define GIMP_IS_COLOR_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_SCALE))
#define GIMP_COLOR_SCALE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_COLOR_SCALE, GimpColorScaleClass))
typedef struct _GimpColorScalePrivate GimpColorScalePrivate;
typedef struct _GimpColorScaleClass GimpColorScaleClass;
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struct _GimpColorScale
{
GtkScale parent_instance;
GimpColorScalePrivate *priv;
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};
struct _GimpColorScaleClass
{
GtkScaleClass parent_class;
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
void (* _gimp_reserved5) (void);
void (* _gimp_reserved6) (void);
void (* _gimp_reserved7) (void);
void (* _gimp_reserved8) (void);
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};
GType gimp_color_scale_get_type (void) G_GNUC_CONST;
GtkWidget * gimp_color_scale_new (GtkOrientation orientation,
GimpColorSelectorChannel channel);
void gimp_color_scale_set_format (GimpColorScale *scale,
const Babl *format);
void gimp_color_scale_set_channel (GimpColorScale *scale,
GimpColorSelectorChannel channel);
void gimp_color_scale_set_color (GimpColorScale *scale,
app, libgimpwidgets, modules: color selectors are now partly space-invaded. What this commit does is keep the same code logic while moving to GeglColor. Yet it's not **really** space-invaded yet. What we need to do now: 1. Take into account the image space, and this is what we must navigate through, in particular for various representations of RGB or HSV. I.e. that if the active image is in anyRGB, the RGB values shown must be within anyRGB. Right now, everything is still shown/used as sRGB (even though it's properly retrieved and transformed to the target space thanks to GeglColor). 2. Show space info to make things clear and explicit, by adding some label somewhere. 3. Allow to switch between image and softproof spaces, regarding out-of-gamut display. I.e. that while RGB/HSV must be shown within the image space (assuming it's anyRGB), we may want to show out-of-gamut area (pink areas) within the softproof space. This may mean adding a checkbox. Or maybe simply taking into account whether we are in softproof mode or not? 4. We can likely move off gimp_widget_get_color_transform() into using gimp_widget_get_render_space() for display drawing. We don't need any soft-proofing or black point compensation for any of these widgets so pure babl is fine. Indeed we want to show any in-gamut color correctly (and not transformed according to specific intents or through soft-proofing). We will take care of the proofing case with out-of-gamut area showing only. 5. In the various drawing functions, we should move to CAIRO_FORMAT_RGBA128F. The color selection area might be wide enough that it makes sense to be more accurate, especially as we are essentially showing color gradients in 1 or 2 directions in these various widgets.
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GeglColor *color);
void gimp_color_scale_set_color_config (GimpColorScale *scale,
GimpColorConfig *config);
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G_END_DECLS
#endif /* __GIMP_COLOR_SCALE_H__ */