1 /*
2  * * Copyright (C) 2006-2011 Anders Brander <anders@brander.dk>,
3  * * Anders Kvist <akv@lnxbx.dk> and Klaus Post <klauspost@gmail.com>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18  */
19 
20 #ifndef RS_SETTINGS_H
21 #define RS_SETTINGS_H
22 
23 #include <glib-object.h>
24 
25 G_BEGIN_DECLS
26 
27 #define RS_TYPE_SETTINGS rs_settings_get_type()
28 
29 #define RS_SETTINGS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), RS_TYPE_SETTINGS, RSSettings))
30 #define RS_SETTINGS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), RS_TYPE_SETTINGS, RSSettingsClass))
31 #define RS_IS_SETTINGS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), RS_TYPE_SETTINGS))
32 #define RS_IS_SETTINGS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), RS_TYPE_SETTINGS))
33 #define RS_SETTINGS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), RS_TYPE_SETTINGS, RSSettingsClass))
34 
35 /* Presets for WB */
36 #define PRESET_WB_AUTO "wb_auto"
37 #define PRESET_WB_CAMERA "wb_camera"
38 
39 typedef enum {
40 	MASK_EXPOSURE       = (1<<0),
41 	MASK_SATURATION     = (1<<1),
42 	MASK_HUE            = (1<<2),
43 	MASK_CONTRAST       = (1<<3),
44 	MASK_WARMTH         = (1<<4),
45 	MASK_TINT           = (1<<5),
46 	MASK_DCP_TEMP       = (1<<4),
47 	MASK_DCP_TINT       = (1<<5),
48 	MASK_WB             = MASK_WARMTH | MASK_TINT | MASK_DCP_TEMP | MASK_DCP_TINT,
49 	MASK_CURVE          = (1<<6),
50 	MASK_SHARPEN        = (1<<7),
51 	MASK_DENOISE_LUMA   = (1<<8),
52 	MASK_DENOISE_CHROMA = (1<<9),
53 	MASK_TCA_KR         = (1<<10),
54 	MASK_TCA_KB         = (1<<11),
55 	MASK_TCA            = MASK_TCA_KR | MASK_TCA_KB,
56 	MASK_CHANNELMIXER_RED = (1<<12),
57 	MASK_CHANNELMIXER_GREEN = (1<<13),
58 	MASK_CHANNELMIXER_BLUE = (1<<14),
59 	MASK_CHANNELMIXER = MASK_CHANNELMIXER_RED | MASK_CHANNELMIXER_GREEN | MASK_CHANNELMIXER_BLUE,
60 	MASK_VIGNETTING  = (1<<15),
61 	MASK_PROFILE  = (1<<16),
62 	MASK_ALL            = 0x00ffffff,
63 } RSSettingsMask;
64 
65 typedef struct _RSsettings {
66 	GObject parent;
67 	gint commit;
68 	RSSettingsMask commit_todo;
69 	gfloat exposure;
70 	gfloat saturation;
71 	gfloat hue;
72 	gfloat contrast;
73 	gfloat warmth;
74 	gfloat tint;
75 	gfloat dcp_temp;
76 	gfloat dcp_tint;
77 	gchar *wb_ascii;
78 	gfloat sharpen;
79 	gfloat denoise_luma;
80 	gfloat denoise_chroma;
81 	gfloat tca_kr;
82 	gfloat tca_kb;
83 	gfloat vignetting;
84 	gfloat channelmixer_red;
85 	gfloat channelmixer_green;
86 	gfloat channelmixer_blue;
87 	gint curve_nknots;
88 	gfloat *curve_knots;
89 	gboolean recalc_temp;
90 } RSSettings;
91 
92 typedef struct {
93   GObjectClass parent_class;
94 } RSSettingsClass;
95 
96 GType rs_settings_get_type (void);
97 
98 RSSettings *rs_settings_new (void);
99 
100 /**
101  * Reset a RSSettings
102  * @param settings A RSSettings
103  * @param mask A mask for only resetting some values
104  */
105 extern void rs_settings_reset(RSSettings *settings, const RSSettingsMask mask);
106 
107 /**
108  * Stop signal emission from a RSSettings and queue up signals
109  * @param settings A RSSettings
110  */
111 extern void rs_settings_commit_start(RSSettings *settings);
112 
113 /**
114  * Restart signal emission and process signal queue if any
115  * @param settings A RSSettings
116  * @return The mask of changes since rs_settings_commit_start()
117  */
118 extern RSSettingsMask rs_settings_commit_stop(RSSettings *settings);
119 
120 /**
121  * Copy settings from one RSSettins to another
122  * @param source The source RSSettings
123  * @param mask A RSSettingsMask to do selective copying
124  * @param target The target RSSettings
125  */
126 extern RSSettingsMask rs_settings_copy(RSSettings *source, const RSSettingsMask mask, RSSettings *target);
127 
128 /**
129  * Set curve knots
130  * @param settings A RSSettings
131  * @param knots Knots for curve
132  * @param nknots Number of knots
133  */
134 extern void rs_settings_set_curve_knots(RSSettings *settings, const gfloat *knots, const gint nknots);
135 
136 /**
137  * Set the warmth and tint values of a RSSettings
138  * @param settings A RSSettings
139  * @param exposure New value
140  */
141 extern void rs_settings_set_wb(RSSettings *settings, const gfloat warmth, const gfloat tint, const gchar *ascii);
142 
143 /**
144  * Get the knots from the curve
145  * @param settings A RSSettings
146  * @return All knots as a newly allocated array
147  */
148 extern gfloat *
149 rs_settings_get_curve_knots(RSSettings *settings);
150 
151 /**
152  * Get number of knots in curve in a RSSettings
153  * @param settings A RSSettings
154  * @return Number of knots
155  */
156 extern gint
157 rs_settings_get_curve_nknots(RSSettings *settings);
158 
159 /**
160  * Use like g_signal_connect(source, "settings-changed", G_CALLBACK(rs_settings_changed), target);
161  */
162 extern void rs_settings_changed(RSSettings *source, const RSSettingsMask mask, RSSettings *target);
163 
164 /**
165  * Link two RSSettings together, if source gets updated, it will propagate to target
166  * @param source A RSSettings
167  * @param target A RSSettings
168  */
169 extern void rs_settings_link(RSSettings *source, RSSettings *target);
170 
171 /**
172  * Unlink two RSSettings - this will be done automaticly if target from a previous rs_settings_link() is finalized
173  * @param source A RSSettings
174  * @param target A RSSettings - can be destroyed, doesn't matter, we just need the pointer
175  */
176 extern void rs_settings_unlink(RSSettings *source, RSSettings *target);
177 
178 G_END_DECLS
179 
180 #endif /* RS_SETTINGS_H */
181