1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19
20 #include <gegl.h>
21 #include <gtk/gtk.h>
22
23 #include "libgimpmath/gimpmath.h"
24 #include "libgimpcolor/gimpcolor.h"
25 #include "libgimpwidgets/gimpwidgets.h"
26
27 #include "tools-types.h"
28
29 #include "config/gimpcoreconfig.h"
30
31 #include "core/gimp.h"
32 #include "core/gimpdrawable.h"
33 #include "core/gimpimage.h"
34 #include "core/gimptoolinfo.h"
35
36 #include "widgets/gimpcolorframe.h"
37 #include "widgets/gimphelp-ids.h"
38 #include "widgets/gimpwidgets-utils.h"
39
40 #include "display/gimpdisplay.h"
41 #include "display/gimptoolgui.h"
42
43 #include "gimpcolorpickeroptions.h"
44 #include "gimpcolorpickertool.h"
45 #include "gimptoolcontrol.h"
46
47 #include "gimp-intl.h"
48
49
50 /* local function prototypes */
51
52 static void gimp_color_picker_tool_constructed (GObject *object);
53 static void gimp_color_picker_tool_dispose (GObject *object);
54
55 static void gimp_color_picker_tool_control (GimpTool *tool,
56 GimpToolAction action,
57 GimpDisplay *display);
58 static void gimp_color_picker_tool_modifier_key (GimpTool *tool,
59 GdkModifierType key,
60 gboolean press,
61 GdkModifierType state,
62 GimpDisplay *display);
63 static void gimp_color_picker_tool_oper_update (GimpTool *tool,
64 const GimpCoords *coords,
65 GdkModifierType state,
66 gboolean proximity,
67 GimpDisplay *display);
68
69 static void gimp_color_picker_tool_picked (GimpColorTool *color_tool,
70 const GimpCoords *coords,
71 GimpDisplay *display,
72 GimpColorPickState pick_state,
73 const Babl *sample_format,
74 gpointer pixel,
75 const GimpRGB *color);
76
77 static void gimp_color_picker_tool_info_create (GimpColorPickerTool *picker_tool,
78 GimpDisplay *display);
79 static void gimp_color_picker_tool_info_response (GimpToolGui *gui,
80 gint response_id,
81 GimpColorPickerTool *picker_tool);
82 static void gimp_color_picker_tool_info_update (GimpColorPickerTool *picker_tool,
83 GimpDisplay *display,
84 gboolean sample_average,
85 const Babl *sample_format,
86 gpointer pixel,
87 const GimpRGB *color,
88 gint x,
89 gint y);
90
91
G_DEFINE_TYPE(GimpColorPickerTool,gimp_color_picker_tool,GIMP_TYPE_COLOR_TOOL)92 G_DEFINE_TYPE (GimpColorPickerTool, gimp_color_picker_tool,
93 GIMP_TYPE_COLOR_TOOL)
94
95 #define parent_class gimp_color_picker_tool_parent_class
96
97
98 void
99 gimp_color_picker_tool_register (GimpToolRegisterCallback callback,
100 gpointer data)
101 {
102 (* callback) (GIMP_TYPE_COLOR_PICKER_TOOL,
103 GIMP_TYPE_COLOR_PICKER_OPTIONS,
104 gimp_color_picker_options_gui,
105 GIMP_CONTEXT_PROP_MASK_FOREGROUND |
106 GIMP_CONTEXT_PROP_MASK_BACKGROUND,
107 "gimp-color-picker-tool",
108 _("Color Picker"),
109 _("Color Picker Tool: Set colors from image pixels"),
110 N_("C_olor Picker"), "O",
111 NULL, GIMP_HELP_TOOL_COLOR_PICKER,
112 GIMP_ICON_TOOL_COLOR_PICKER,
113 data);
114 }
115
116 static void
gimp_color_picker_tool_class_init(GimpColorPickerToolClass * klass)117 gimp_color_picker_tool_class_init (GimpColorPickerToolClass *klass)
118 {
119 GObjectClass *object_class = G_OBJECT_CLASS (klass);
120 GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
121 GimpColorToolClass *color_tool_class = GIMP_COLOR_TOOL_CLASS (klass);
122
123 object_class->constructed = gimp_color_picker_tool_constructed;
124 object_class->dispose = gimp_color_picker_tool_dispose;
125
126 tool_class->control = gimp_color_picker_tool_control;
127 tool_class->modifier_key = gimp_color_picker_tool_modifier_key;
128 tool_class->oper_update = gimp_color_picker_tool_oper_update;
129
130 color_tool_class->picked = gimp_color_picker_tool_picked;
131 }
132
133 static void
gimp_color_picker_tool_init(GimpColorPickerTool * picker_tool)134 gimp_color_picker_tool_init (GimpColorPickerTool *picker_tool)
135 {
136 GimpColorTool *color_tool = GIMP_COLOR_TOOL (picker_tool);
137
138 color_tool->pick_target = GIMP_COLOR_PICK_TARGET_FOREGROUND;
139 }
140
141 static void
gimp_color_picker_tool_constructed(GObject * object)142 gimp_color_picker_tool_constructed (GObject *object)
143 {
144 GimpTool *tool = GIMP_TOOL (object);
145
146 G_OBJECT_CLASS (parent_class)->constructed (object);
147
148 gimp_color_tool_enable (GIMP_COLOR_TOOL (object),
149 GIMP_COLOR_TOOL_GET_OPTIONS (tool));
150 }
151
152 static void
gimp_color_picker_tool_dispose(GObject * object)153 gimp_color_picker_tool_dispose (GObject *object)
154 {
155 GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (object);
156
157 g_clear_object (&picker_tool->gui);
158 picker_tool->color_area = NULL;
159 picker_tool->color_frame1 = NULL;
160 picker_tool->color_frame2 = NULL;
161
162 G_OBJECT_CLASS (parent_class)->dispose (object);
163 }
164
165 static void
gimp_color_picker_tool_control(GimpTool * tool,GimpToolAction action,GimpDisplay * display)166 gimp_color_picker_tool_control (GimpTool *tool,
167 GimpToolAction action,
168 GimpDisplay *display)
169 {
170 GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (tool);
171
172 switch (action)
173 {
174 case GIMP_TOOL_ACTION_PAUSE:
175 case GIMP_TOOL_ACTION_RESUME:
176 break;
177
178 case GIMP_TOOL_ACTION_HALT:
179 if (picker_tool->gui)
180 gimp_tool_gui_hide (picker_tool->gui);
181 break;
182
183 case GIMP_TOOL_ACTION_COMMIT:
184 break;
185 }
186
187 GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
188 }
189
190 static void
gimp_color_picker_tool_modifier_key(GimpTool * tool,GdkModifierType key,gboolean press,GdkModifierType state,GimpDisplay * display)191 gimp_color_picker_tool_modifier_key (GimpTool *tool,
192 GdkModifierType key,
193 gboolean press,
194 GdkModifierType state,
195 GimpDisplay *display)
196 {
197 GimpColorPickerOptions *options = GIMP_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
198
199 if (key == gimp_get_extend_selection_mask ())
200 {
201 g_object_set (options, "use-info-window", ! options->use_info_window,
202 NULL);
203 }
204 else if (key == gimp_get_toggle_behavior_mask ())
205 {
206 switch (options->pick_target)
207 {
208 case GIMP_COLOR_PICK_TARGET_FOREGROUND:
209 g_object_set (options,
210 "pick-target", GIMP_COLOR_PICK_TARGET_BACKGROUND,
211 NULL);
212 break;
213
214 case GIMP_COLOR_PICK_TARGET_BACKGROUND:
215 g_object_set (options,
216 "pick-target", GIMP_COLOR_PICK_TARGET_FOREGROUND,
217 NULL);
218 break;
219
220 default:
221 break;
222 }
223
224 }
225 }
226
227 static void
gimp_color_picker_tool_oper_update(GimpTool * tool,const GimpCoords * coords,GdkModifierType state,gboolean proximity,GimpDisplay * display)228 gimp_color_picker_tool_oper_update (GimpTool *tool,
229 const GimpCoords *coords,
230 GdkModifierType state,
231 gboolean proximity,
232 GimpDisplay *display)
233 {
234 GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (tool);
235 GimpColorPickerOptions *options = GIMP_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
236
237 GIMP_COLOR_TOOL (tool)->pick_target = options->pick_target;
238
239 gimp_tool_pop_status (tool, display);
240
241 if (proximity)
242 {
243 gchar *status_help = NULL;
244 GdkModifierType extend_mask = 0;
245 GdkModifierType toggle_mask;
246
247 if (! picker_tool->gui)
248 extend_mask = gimp_get_extend_selection_mask ();
249
250 toggle_mask = gimp_get_toggle_behavior_mask ();
251
252 switch (options->pick_target)
253 {
254 case GIMP_COLOR_PICK_TARGET_NONE:
255 status_help = gimp_suggest_modifiers (_("Click in any image to view"
256 " its color"),
257 extend_mask & ~state,
258 NULL, NULL, NULL);
259 break;
260
261 case GIMP_COLOR_PICK_TARGET_FOREGROUND:
262 status_help = gimp_suggest_modifiers (_("Click in any image to pick"
263 " the foreground color"),
264 (extend_mask | toggle_mask) &
265 ~state,
266 NULL, NULL, NULL);
267 break;
268
269 case GIMP_COLOR_PICK_TARGET_BACKGROUND:
270 status_help = gimp_suggest_modifiers (_("Click in any image to pick"
271 " the background color"),
272 (extend_mask | toggle_mask) &
273 ~state,
274 NULL, NULL, NULL);
275 break;
276
277 case GIMP_COLOR_PICK_TARGET_PALETTE:
278 status_help = gimp_suggest_modifiers (_("Click in any image to add"
279 " the color to the palette"),
280 extend_mask & ~state,
281 NULL, NULL, NULL);
282 break;
283 }
284
285 if (status_help != NULL)
286 {
287 gimp_tool_push_status (tool, display, "%s", status_help);
288 g_free (status_help);
289 }
290 }
291
292 GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
293 display);
294 }
295
296 static void
gimp_color_picker_tool_picked(GimpColorTool * color_tool,const GimpCoords * coords,GimpDisplay * display,GimpColorPickState pick_state,const Babl * sample_format,gpointer pixel,const GimpRGB * color)297 gimp_color_picker_tool_picked (GimpColorTool *color_tool,
298 const GimpCoords *coords,
299 GimpDisplay *display,
300 GimpColorPickState pick_state,
301 const Babl *sample_format,
302 gpointer pixel,
303 const GimpRGB *color)
304 {
305 GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (color_tool);
306 GimpColorPickerOptions *options;
307
308 options = GIMP_COLOR_PICKER_TOOL_GET_OPTIONS (color_tool);
309
310 if (options->use_info_window && ! picker_tool->gui)
311 gimp_color_picker_tool_info_create (picker_tool, display);
312
313 if (picker_tool->gui &&
314 (options->use_info_window ||
315 gimp_tool_gui_get_visible (picker_tool->gui)))
316 {
317 gimp_color_picker_tool_info_update (picker_tool, display,
318 GIMP_COLOR_OPTIONS (options)->sample_average,
319 sample_format, pixel, color,
320 (gint) floor (coords->x),
321 (gint) floor (coords->y));
322 }
323
324 GIMP_COLOR_TOOL_CLASS (parent_class)->picked (color_tool,
325 coords, display, pick_state,
326 sample_format, pixel, color);
327 }
328
329 static void
gimp_color_picker_tool_info_create(GimpColorPickerTool * picker_tool,GimpDisplay * display)330 gimp_color_picker_tool_info_create (GimpColorPickerTool *picker_tool,
331 GimpDisplay *display)
332 {
333 GimpTool *tool = GIMP_TOOL (picker_tool);
334 GimpToolOptions *options = GIMP_TOOL_GET_OPTIONS (tool);
335 GimpContext *context = GIMP_CONTEXT (tool->tool_info->tool_options);
336 GimpDisplayShell *shell = gimp_display_get_shell (display);
337 GimpImage *image = gimp_display_get_image (display);
338 GimpDrawable *drawable = gimp_image_get_active_drawable (image);
339 GtkWidget *hbox;
340 GtkWidget *frame;
341 GimpRGB color;
342
343 picker_tool->gui = gimp_tool_gui_new (tool->tool_info,
344 NULL,
345 _("Color Picker Information"),
346 NULL, NULL,
347 gtk_widget_get_screen (GTK_WIDGET (shell)),
348 gimp_widget_get_monitor (GTK_WIDGET (shell)),
349 TRUE,
350
351 _("_Close"), GTK_RESPONSE_CLOSE,
352
353 NULL);
354
355 gimp_tool_gui_set_auto_overlay (picker_tool->gui, TRUE);
356 gimp_tool_gui_set_focus_on_map (picker_tool->gui, FALSE);
357 gimp_tool_gui_set_viewable (picker_tool->gui, GIMP_VIEWABLE (drawable));
358
359 g_signal_connect (picker_tool->gui, "response",
360 G_CALLBACK (gimp_color_picker_tool_info_response),
361 picker_tool);
362
363 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
364 gtk_box_pack_start (GTK_BOX (gimp_tool_gui_get_vbox (picker_tool->gui)),
365 hbox, FALSE, FALSE, 0);
366 gtk_widget_show (hbox);
367
368 picker_tool->color_frame1 = gimp_color_frame_new ();
369 gimp_color_frame_set_color_config (GIMP_COLOR_FRAME (picker_tool->color_frame1),
370 context->gimp->config->color_management);
371 gimp_color_frame_set_has_coords (GIMP_COLOR_FRAME (picker_tool->color_frame1),
372 TRUE);
373 g_object_bind_property (options, "frame1-mode",
374 picker_tool->color_frame1, "mode",
375 G_BINDING_BIDIRECTIONAL |
376 G_BINDING_SYNC_CREATE);
377 gtk_box_pack_start (GTK_BOX (hbox), picker_tool->color_frame1,
378 FALSE, FALSE, 0);
379 gtk_widget_show (picker_tool->color_frame1);
380
381 picker_tool->color_frame2 = gimp_color_frame_new ();
382 gimp_color_frame_set_color_config (GIMP_COLOR_FRAME (picker_tool->color_frame2),
383 context->gimp->config->color_management);
384 g_object_bind_property (options, "frame2-mode",
385 picker_tool->color_frame2, "mode",
386 G_BINDING_BIDIRECTIONAL |
387 G_BINDING_SYNC_CREATE);
388 gtk_box_pack_start (GTK_BOX (hbox), picker_tool->color_frame2,
389 FALSE, FALSE, 0);
390 gtk_widget_show (picker_tool->color_frame2);
391
392 frame = gtk_frame_new (NULL);
393 gimp_widget_set_fully_opaque (frame, TRUE);
394 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
395 gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
396 gtk_widget_show (frame);
397
398 gimp_rgba_set (&color, 0.0, 0.0, 0.0, 0.0);
399 picker_tool->color_area =
400 gimp_color_area_new (&color,
401 gimp_drawable_has_alpha (drawable) ?
402 GIMP_COLOR_AREA_LARGE_CHECKS :
403 GIMP_COLOR_AREA_FLAT,
404 GDK_BUTTON1_MASK | GDK_BUTTON2_MASK);
405 gimp_color_area_set_color_config (GIMP_COLOR_AREA (picker_tool->color_area),
406 context->gimp->config->color_management);
407 gtk_widget_set_size_request (picker_tool->color_area, 48, -1);
408 gtk_drag_dest_unset (picker_tool->color_area);
409 gtk_container_add (GTK_CONTAINER (frame), picker_tool->color_area);
410 gtk_widget_show (picker_tool->color_area);
411 }
412
413 static void
gimp_color_picker_tool_info_response(GimpToolGui * gui,gint response_id,GimpColorPickerTool * picker_tool)414 gimp_color_picker_tool_info_response (GimpToolGui *gui,
415 gint response_id,
416 GimpColorPickerTool *picker_tool)
417 {
418 GimpTool *tool = GIMP_TOOL (picker_tool);
419
420 gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, NULL);
421 }
422
423 static void
gimp_color_picker_tool_info_update(GimpColorPickerTool * picker_tool,GimpDisplay * display,gboolean sample_average,const Babl * sample_format,gpointer pixel,const GimpRGB * color,gint x,gint y)424 gimp_color_picker_tool_info_update (GimpColorPickerTool *picker_tool,
425 GimpDisplay *display,
426 gboolean sample_average,
427 const Babl *sample_format,
428 gpointer pixel,
429 const GimpRGB *color,
430 gint x,
431 gint y)
432 {
433 GimpTool *tool = GIMP_TOOL (picker_tool);
434 GimpImage *image = gimp_display_get_image (display);
435 GimpDrawable *drawable = gimp_image_get_active_drawable (image);
436
437 tool->display = display;
438
439 gimp_tool_gui_set_shell (picker_tool->gui,
440 gimp_display_get_shell (display));
441 gimp_tool_gui_set_viewable (picker_tool->gui,
442 GIMP_VIEWABLE (drawable));
443
444 gimp_color_area_set_color (GIMP_COLOR_AREA (picker_tool->color_area),
445 color);
446
447 gimp_color_frame_set_color (GIMP_COLOR_FRAME (picker_tool->color_frame1),
448 sample_average, sample_format, pixel, color,
449 x, y);
450 gimp_color_frame_set_color (GIMP_COLOR_FRAME (picker_tool->color_frame2),
451 sample_average, sample_format, pixel, color,
452 x, y);
453
454 gimp_tool_gui_show (picker_tool->gui);
455 }
456