gimppdbcontext.c 16.9 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
 *
 * gimppdbcontext.c
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

22
#include <gdk-pixbuf/gdk-pixbuf.h>
23
24
25
26
27
28
#include <gegl.h>

#include "libgimpconfig/gimpconfig.h"

#include "pdb-types.h"

29
30
#include "config/gimpcoreconfig.h"

31
#include "core/gimp.h"
32
33
#include "core/gimplist.h"
#include "core/gimppaintinfo.h"
34
#include "core/gimpstrokeoptions.h"
35

36
#include "paint/gimpbrushcore.h"
37
#include "paint/gimppaintoptions.h"
38
39
40
41
42
43
44
45
46
47
48
49

#include "gimppdbcontext.h"

#include "gimp-intl.h"


enum
{
  PROP_0,
  PROP_ANTIALIAS,
  PROP_FEATHER,
  PROP_FEATHER_RADIUS_X,
50
  PROP_FEATHER_RADIUS_Y,
51
  PROP_SAMPLE_MERGED,
52
  PROP_SAMPLE_CRITERION,
53
  PROP_SAMPLE_THRESHOLD,
54
  PROP_SAMPLE_TRANSPARENT,
55
  PROP_DIAGONAL_NEIGHBORS,
56
57
  PROP_INTERPOLATION,
  PROP_TRANSFORM_DIRECTION,
58
59
  PROP_TRANSFORM_RESIZE,
  PROP_DISTANCE_METRIC
60
61
62
};


63
64
static void   gimp_pdb_context_iface_init   (GimpConfigInterface *iface);

65
static void   gimp_pdb_context_constructed  (GObject      *object);
66
static void   gimp_pdb_context_finalize     (GObject      *object);
67
68
69
70
71
72
73
74
75
static void   gimp_pdb_context_set_property (GObject      *object,
                                             guint         property_id,
                                             const GValue *value,
                                             GParamSpec   *pspec);
static void   gimp_pdb_context_get_property (GObject      *object,
                                             guint         property_id,
                                             GValue       *value,
                                             GParamSpec   *pspec);

76
77
static void   gimp_pdb_context_reset        (GimpConfig   *config);

78

79
80
81
G_DEFINE_TYPE_WITH_CODE (GimpPDBContext, gimp_pdb_context, GIMP_TYPE_CONTEXT,
                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG,
                                                gimp_pdb_context_iface_init))
82
83
84

#define parent_class gimp_pdb_context_parent_class

85
86
static GimpConfigInterface *parent_config_iface = NULL;

87
88
89
90
91
92

static void
gimp_pdb_context_class_init (GimpPDBContextClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

93
  object_class->constructed  = gimp_pdb_context_constructed;
94
  object_class->finalize     = gimp_pdb_context_finalize;
95
96
97
  object_class->set_property = gimp_pdb_context_set_property;
  object_class->get_property = gimp_pdb_context_get_property;

98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_ANTIALIAS,
                            "antialias",
                            _("Antialiasing"),
                            _("Smooth edges"),
                            TRUE,
                            GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_FEATHER,
                            "feather",
                            _("Feather"),
                            NULL,
                            FALSE,
                            GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_FEATHER_RADIUS_X,
                           "feather-radius-x",
                           _("Feather radius X"),
                           NULL,
                           0.0, 1000.0, 10.0,
                           GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_FEATHER_RADIUS_Y,
                           "feather-radius-y",
                           _("Feather radius Y"),
                           NULL,
                           0.0, 1000.0, 10.0,
                           GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SAMPLE_MERGED,
                            "sample-merged",
                            _("Sample merged"),
                            NULL,
                            FALSE,
                            GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_ENUM (object_class, PROP_SAMPLE_CRITERION,
                         "sample-criterion",
                         _("Sample criterion"),
                         NULL,
                         GIMP_TYPE_SELECT_CRITERION,
                         GIMP_SELECT_CRITERION_COMPOSITE,
                         GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_SAMPLE_THRESHOLD,
                           "sample-threshold",
                           _("Sample threshold"),
                           NULL,
                           0.0, 1.0, 0.0,
                           GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SAMPLE_TRANSPARENT,
                            "sample-transparent",
                            _("Sample transparent"),
                            NULL,
                            FALSE,
                            GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DIAGONAL_NEIGHBORS,
                            "diagonal-neighbors",
                            _("Diagonal neighbors"),
                            NULL,
                            FALSE,
                            GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_ENUM (object_class, PROP_INTERPOLATION,
                         "interpolation",
                         _("Interpolation"),
                         NULL,
                         GIMP_TYPE_INTERPOLATION_TYPE,
                         GIMP_INTERPOLATION_CUBIC,
                         GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_ENUM (object_class, PROP_TRANSFORM_DIRECTION,
                         "transform-direction",
                         _("Transform direction"),
                         NULL,
                         GIMP_TYPE_TRANSFORM_DIRECTION,
                         GIMP_TRANSFORM_FORWARD,
                         GIMP_PARAM_STATIC_STRINGS);

  GIMP_CONFIG_PROP_ENUM (object_class, PROP_TRANSFORM_RESIZE,
                         "transform-resize",
                         _("Transform resize"),
                         NULL,
                         GIMP_TYPE_TRANSFORM_RESIZE,
                         GIMP_TRANSFORM_RESIZE_ADJUST,
                         GIMP_PARAM_STATIC_STRINGS);
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200

  /* Legacy blend used "manhattan" metric to compute distance.
   * API needs to stay compatible, hence the default value for this
   * property.
   * Nevertheless Euclidean distance since to render better; for GIMP 3
   * API, we might therefore want to change the defaults to
   * GEGL_DISTANCE_METRIC_EUCLIDEAN. FIXME.
   */
  GIMP_CONFIG_PROP_ENUM (object_class, PROP_DISTANCE_METRIC,
                         "distance-metric",
                         _("Distance metric"),
                         NULL,
                         GEGL_TYPE_DISTANCE_METRIC,
                         GEGL_DISTANCE_METRIC_MANHATTAN,
                         GIMP_PARAM_STATIC_STRINGS);

201
202
}

203
204
205
206
207
208
209
210
211
212
213
static void
gimp_pdb_context_iface_init (GimpConfigInterface *iface)
{
  parent_config_iface = g_type_interface_peek_parent (iface);

  if (! parent_config_iface)
    parent_config_iface = g_type_default_interface_peek (GIMP_TYPE_CONFIG);

  iface->reset = gimp_pdb_context_reset;
}

214
static void
215
gimp_pdb_context_init (GimpPDBContext *context)
216
{
217
218
  context->paint_options_list = gimp_list_new (GIMP_TYPE_PAINT_OPTIONS,
                                               FALSE);
219
220
}

221
222
223
static void
gimp_pdb_context_constructed (GObject *object)
{
224
  GimpPDBContext        *context = GIMP_PDB_CONTEXT (object);
225
  GimpInterpolationType  interpolation;
226
  gint                   threshold;
227
228
  GParamSpec            *pspec;

229
  G_OBJECT_CLASS (parent_class)->constructed (object);
230

231
232
233
234
  context->stroke_options = gimp_stroke_options_new (GIMP_CONTEXT (context)->gimp,
                                                     GIMP_CONTEXT (context),
                                                     TRUE);

235
236
237
238
239
240
  /* keep the stroke options in sync with the context */
  gimp_context_define_properties (GIMP_CONTEXT (context->stroke_options),
                                  GIMP_CONTEXT_PROP_MASK_ALL, FALSE);
  gimp_context_set_parent (GIMP_CONTEXT (context->stroke_options),
                           GIMP_CONTEXT (context));

241
242
243
244
245
246
247
248
249
  /* preserve the traditional PDB default */
  g_object_set (context->stroke_options,
                "method", GIMP_STROKE_PAINT_METHOD,
                NULL);

  g_object_bind_property (G_OBJECT (context),                 "antialias",
                          G_OBJECT (context->stroke_options), "antialias",
                          G_BINDING_SYNC_CREATE);

250
251
  /* get default interpolation from gimprc */

252
253
254
255
256
257
258
259
260
261
  interpolation = GIMP_CONTEXT (object)->gimp->config->interpolation_type;

  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
                                        "interpolation");

  if (pspec)
    G_PARAM_SPEC_ENUM (pspec)->default_value = interpolation;

  g_object_set (object, "interpolation", interpolation, NULL);

262
263
264
265
266
267
268
269
270
271
272
  /* get default threshold from gimprc */

  threshold = GIMP_CONTEXT (object)->gimp->config->default_threshold;

  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object),
                                        "sample-threshold");

  if (pspec)
    G_PARAM_SPEC_DOUBLE (pspec)->default_value = threshold / 255.0;

  g_object_set (object, "sample-threshold", threshold / 255.0, NULL);
273
}
274

275
276
277
278
279
static void
gimp_pdb_context_finalize (GObject *object)
{
  GimpPDBContext *context = GIMP_PDB_CONTEXT (object);

280
281
  g_clear_object (&context->paint_options_list);
  g_clear_object (&context->stroke_options);
282

283
  G_OBJECT_CLASS (parent_class)->finalize (object);
284
285
}

286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
static void
gimp_pdb_context_set_property (GObject      *object,
                               guint         property_id,
                               const GValue *value,
                               GParamSpec   *pspec)
{
  GimpPDBContext *options = GIMP_PDB_CONTEXT (object);

  switch (property_id)
    {
    case PROP_ANTIALIAS:
      options->antialias = g_value_get_boolean (value);
      break;

    case PROP_FEATHER:
      options->feather = g_value_get_boolean (value);
      break;

    case PROP_FEATHER_RADIUS_X:
      options->feather_radius_x = g_value_get_double (value);
      break;

    case PROP_FEATHER_RADIUS_Y:
      options->feather_radius_y = g_value_get_double (value);
      break;

312
313
314
315
    case PROP_SAMPLE_MERGED:
      options->sample_merged = g_value_get_boolean (value);
      break;

316
317
318
319
    case PROP_SAMPLE_CRITERION:
      options->sample_criterion = g_value_get_enum (value);
      break;

320
321
322
323
    case PROP_SAMPLE_THRESHOLD:
      options->sample_threshold = g_value_get_double (value);
      break;

324
325
326
327
    case PROP_SAMPLE_TRANSPARENT:
      options->sample_transparent = g_value_get_boolean (value);
      break;

328
329
330
331
    case PROP_DIAGONAL_NEIGHBORS:
      options->diagonal_neighbors = g_value_get_boolean (value);
      break;

332
333
334
335
336
337
338
339
340
341
342
343
    case PROP_INTERPOLATION:
      options->interpolation = g_value_get_enum (value);
      break;

    case PROP_TRANSFORM_DIRECTION:
      options->transform_direction = g_value_get_enum (value);
      break;

    case PROP_TRANSFORM_RESIZE:
      options->transform_resize = g_value_get_enum (value);
      break;

344
345
346
347
    case PROP_DISTANCE_METRIC:
      options->distance_metric = g_value_get_enum (value);
      break;

348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}

static void
gimp_pdb_context_get_property (GObject    *object,
                               guint       property_id,
                               GValue     *value,
                               GParamSpec *pspec)
{
  GimpPDBContext *options = GIMP_PDB_CONTEXT (object);

  switch (property_id)
    {
    case PROP_ANTIALIAS:
      g_value_set_boolean (value, options->antialias);
      break;

    case PROP_FEATHER:
      g_value_set_boolean (value, options->feather);
      break;

    case PROP_FEATHER_RADIUS_X:
      g_value_set_double (value, options->feather_radius_x);
      break;

    case PROP_FEATHER_RADIUS_Y:
      g_value_set_double (value, options->feather_radius_y);
      break;

380
381
382
383
    case PROP_SAMPLE_MERGED:
      g_value_set_boolean (value, options->sample_merged);
      break;

384
385
386
387
    case PROP_SAMPLE_CRITERION:
      g_value_set_enum (value, options->sample_criterion);
      break;

388
389
390
391
    case PROP_SAMPLE_THRESHOLD:
      g_value_set_double (value, options->sample_threshold);
      break;

392
393
394
395
    case PROP_SAMPLE_TRANSPARENT:
      g_value_set_boolean (value, options->sample_transparent);
      break;

396
397
398
399
    case PROP_DIAGONAL_NEIGHBORS:
      g_value_set_boolean (value, options->diagonal_neighbors);
      break;

400
401
402
403
404
405
406
407
408
409
410
411
    case PROP_INTERPOLATION:
      g_value_set_enum (value, options->interpolation);
      break;

    case PROP_TRANSFORM_DIRECTION:
      g_value_set_enum (value, options->transform_direction);
      break;

    case PROP_TRANSFORM_RESIZE:
      g_value_set_enum (value, options->transform_resize);
      break;

412
413
414
415
    case PROP_DISTANCE_METRIC:
      g_value_set_enum (value, options->distance_metric);
      break;

416
417
418
419
420
421
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}

422
423
424
425
426
427
static void
gimp_pdb_context_reset (GimpConfig *config)
{
  GimpPDBContext *context = GIMP_PDB_CONTEXT (config);
  GList          *list;

428
  for (list = GIMP_LIST (context->paint_options_list)->queue->head;
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
       list;
       list = g_list_next (list))
    {
      gimp_config_reset (list->data);
    }

  gimp_config_reset (GIMP_CONFIG (context->stroke_options));

  /* preserve the traditional PDB default */
  g_object_set (context->stroke_options,
                "method", GIMP_STROKE_PAINT_METHOD,
                NULL);

  parent_config_iface->reset (config);

  g_object_notify (G_OBJECT (context), "antialias");
}

447
448
449
450
451
GimpContext *
gimp_pdb_context_new (Gimp        *gimp,
                      GimpContext *parent,
                      gboolean     set_parent)
{
452
453
  GimpPDBContext *context;
  GList          *list;
454
455
456
457
458
459
460
461
462
463
464

  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
  g_return_val_if_fail (GIMP_IS_CONTEXT (parent), NULL);

  context = g_object_new (GIMP_TYPE_PDB_CONTEXT,
                          "gimp", gimp,
                          "name", "PDB Context",
                          NULL);

  if (set_parent)
    {
465
      gimp_context_define_properties (GIMP_CONTEXT (context),
466
                                      GIMP_CONTEXT_PROP_MASK_ALL, FALSE);
467
468
469
470
471
472
473
474
475
476
477
478
479
480
      gimp_context_set_parent (GIMP_CONTEXT (context), parent);

      for (list = gimp_get_paint_info_iter (gimp);
           list;
           list = g_list_next (list))
        {
          GimpPaintInfo *info = list->data;

          gimp_container_add (context->paint_options_list,
                              GIMP_OBJECT (info->paint_options));
        }
    }
  else
    {
481
      for (list = GIMP_LIST (GIMP_PDB_CONTEXT (parent)->paint_options_list)->queue->head;
482
483
484
485
486
487
488
489
490
           list;
           list = g_list_next (list))
        {
          GimpPaintOptions *options = gimp_config_duplicate (list->data);

          gimp_container_add (context->paint_options_list,
                              GIMP_OBJECT (options));
          g_object_unref (options);
        }
491
492
493
494

      gimp_config_copy (GIMP_CONFIG (GIMP_PDB_CONTEXT (parent)->stroke_options),
                        GIMP_CONFIG (context->stroke_options),
                        0);
495
496
    }

497
498
499
500
501
502
  /*  copy the context properties last, they might have been
   *  overwritten by the above copying of stroke options, which have
   *  the pdb context as parent
   */
  gimp_config_sync (G_OBJECT (parent), G_OBJECT (context), 0);

503
  return GIMP_CONTEXT (context);
504
}
505
506
507
508
509
510

GimpPaintOptions *
gimp_pdb_context_get_paint_options (GimpPDBContext *context,
                                    const gchar    *name)
{
  g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);
511
512
513

  if (! name)
    name = gimp_object_get_name (gimp_context_get_paint_info (GIMP_CONTEXT (context)));
514
515
516
517

  return (GimpPaintOptions *)
    gimp_container_get_child_by_name (context->paint_options_list, name);
}
518
519
520
521
522
523
524
525
526

GList *
gimp_pdb_context_get_brush_options (GimpPDBContext *context)
{
  GList *brush_options = NULL;
  GList *list;

  g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);

527
  for (list = GIMP_LIST (context->paint_options_list)->queue->head;
528
529
530
531
532
533
534
535
536
537
538
       list;
       list = g_list_next (list))
    {
      GimpPaintOptions *options = list->data;

      if (g_type_is_a (options->paint_info->paint_type, GIMP_TYPE_BRUSH_CORE))
        brush_options = g_list_prepend (brush_options, options);
    }

  return g_list_reverse (brush_options);
}
539
540
541
542
543
544
545
546

GimpStrokeOptions *
gimp_pdb_context_get_stroke_options (GimpPDBContext *context)
{
  g_return_val_if_fail (GIMP_IS_PDB_CONTEXT (context), NULL);

  return context->stroke_options;
}