gimptransformtool.c 36.1 KB
Newer Older
Nate Summers's avatar
Nate Summers committed
1
/* The GIMP -- an image manipulation program
Nate Summers's avatar
Nate Summers committed
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 * Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "config.h"

#include <stdlib.h>

#include <gtk/gtk.h>

#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"

Michael Natterer's avatar
Michael Natterer committed
28
#include "tools-types.h"
29

30
#ifdef __GNUC__
31
#warning FIXME #include "gui/gui-types.h"
32
#endif
33
#include "gui/gui-types.h"
Nate Summers's avatar
Nate Summers committed
34

Michael Natterer's avatar
Michael Natterer committed
35
#include "base/tile-manager.h"
36

Michael Natterer's avatar
Michael Natterer committed
37
#include "core/gimp.h"
38
39
40
#include "core/gimpchannel.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
Michael Natterer's avatar
Michael Natterer committed
41
#include "core/gimpdrawable-transform.h"
42
43
44
45
#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
#include "core/gimplayer.h"
#include "core/gimpmarshal.h"
Michael Natterer's avatar
Michael Natterer committed
46
#include "core/gimptoolinfo.h"
47

Michael Natterer's avatar
Michael Natterer committed
48
49
#include "widgets/gimpviewabledialog.h"

50
#include "gui/info-dialog.h"
51
52

#include "display/gimpdisplay.h"
53
#include "display/gimpdisplay-foreach.h"
Michael Natterer's avatar
Michael Natterer committed
54
#include "display/gimpprogress.h"
Nate Summers's avatar
Nate Summers committed
55

56
#include "gimptransformtool.h"
57
58
#include "tool_manager.h"
#include "transform_options.h"
59

Michael Natterer's avatar
Michael Natterer committed
60
61
#include "undo.h"
#include "path_transform.h"
Nate Summers's avatar
Nate Summers committed
62
63
64

#include "libgimp/gimpintl.h"

65

Michael Natterer's avatar
Michael Natterer committed
66
67
#define HANDLE 10

68

Michael Natterer's avatar
Michael Natterer committed
69
70
71
72
73
74
75
76
/*  local function prototypes  */

static void   gimp_transform_tool_init        (GimpTransformTool      *tool);
static void   gimp_transform_tool_class_init  (GimpTransformToolClass *tool);

static void   gimp_transform_tool_finalize         (GObject           *object);

static void   gimp_transform_tool_control          (GimpTool          *tool,
77
                                                    GimpToolAction     action,
Michael Natterer's avatar
Michael Natterer committed
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
                                                    GimpDisplay       *gdisp);
static void   gimp_transform_tool_button_press     (GimpTool          *tool,
                                                    GimpCoords        *coords,
                                                    guint32            time,
                                                    GdkModifierType    state,
                                                    GimpDisplay       *gdisp);
static void   gimp_transform_tool_button_release   (GimpTool          *tool,
                                                    GimpCoords        *coords,
                                                    guint32            time,
                                                    GdkModifierType    state,
                                                    GimpDisplay       *gdisp);
static void   gimp_transform_tool_motion           (GimpTool          *tool,
                                                    GimpCoords        *coords,
                                                    guint32            time,
                                                    GdkModifierType    state,
                                                    GimpDisplay       *gdisp);
94
95
96
97
98
static void   gimp_transform_tool_modifier_key     (GimpTool          *tool,
                                                    GdkModifierType    key,
                                                    gboolean           press,
                                                    GdkModifierType    state,
                                                    GimpDisplay       *gdisp);
99
100
101
102
static void   gimp_transform_tool_oper_update      (GimpTool          *tool,
                                                    GimpCoords        *coords,
                                                    GdkModifierType    state,
                                                    GimpDisplay       *gdisp);
Michael Natterer's avatar
Michael Natterer committed
103
104
105
106
107
108
109
static void   gimp_transform_tool_cursor_update    (GimpTool          *tool,
                                                    GimpCoords        *coords,
                                                    GdkModifierType    state,
                                                    GimpDisplay       *gdisp);

static void   gimp_transform_tool_draw             (GimpDrawTool      *draw_tool);

Michael Natterer's avatar
Michael Natterer committed
110
static void   gimp_transform_tool_reset            (GimpTransformTool *tr_tool);
Michael Natterer's avatar
Michael Natterer committed
111
112
static void   gimp_transform_tool_bounds           (GimpTransformTool *tr_tool,
                                                    GimpDisplay       *gdisp);
Michael Natterer's avatar
Michael Natterer committed
113
114
115
static void   gimp_transform_tool_dialog           (GimpTransformTool *tr_tool);
static void   gimp_transform_tool_prepare          (GimpTransformTool *tr_tool,
                                                    GimpDisplay       *gdisp);
Michael Natterer's avatar
Michael Natterer committed
116
117
118
119
120
121
122
123
124
static void   gimp_transform_tool_recalc           (GimpTransformTool *tr_tool,
                                                    GimpDisplay       *gdisp);
static void   gimp_transform_tool_doit             (GimpTransformTool *tr_tool,
                                                    GimpDisplay       *gdisp);
static void   gimp_transform_tool_setup_grid       (GimpTransformTool *tr_tool,
                                                    TransformOptions  *options);
static void   gimp_transform_tool_grid_recalc      (GimpTransformTool *tr_tool);

static void   transform_reset_callback             (GtkWidget         *widget,
Michael Natterer's avatar
Michael Natterer committed
125
126
127
128
129
                                                    GimpTransformTool *tr_tool);
static void   transform_cancel_callback            (GtkWidget         *widget,
                                                    GimpTransformTool *tr_tool);
static void   transform_ok_callback                (GtkWidget         *widget,
                                                    GimpTransformTool *tr_tool);
130
131


132
static GimpDrawToolClass *parent_class = NULL;
133

134
135

GType
Nate Summers's avatar
Nate Summers committed
136
137
gimp_transform_tool_get_type (void)
{
138
  static GType tool_type = 0;
Nate Summers's avatar
Nate Summers committed
139
140
141

  if (! tool_type)
    {
142
      static const GTypeInfo tool_info =
Nate Summers's avatar
Nate Summers committed
143
144
      {
        sizeof (GimpTransformToolClass),
145
146
147
148
149
150
151
152
	(GBaseInitFunc) NULL,
	(GBaseFinalizeFunc) NULL,
	(GClassInitFunc) gimp_transform_tool_class_init,
	NULL,           /* class_finalize */
	NULL,           /* class_data     */
	sizeof (GimpTransformTool),
	0,              /* n_preallocs    */
	(GInstanceInitFunc) gimp_transform_tool_init,
Nate Summers's avatar
Nate Summers committed
153
154
      };

155
156
157
      tool_type = g_type_register_static (GIMP_TYPE_DRAW_TOOL,
					  "GimpTransformTool", 
                                          &tool_info, 0);
Nate Summers's avatar
Nate Summers committed
158
159
160
161
162
163
164
165
    }

  return tool_type;
}

static void
gimp_transform_tool_class_init (GimpTransformToolClass *klass)
{
166
  GObjectClass      *object_class;
Nate Summers's avatar
Nate Summers committed
167
168
  GimpToolClass     *tool_class;
  GimpDrawToolClass *draw_class;
Nate Summers's avatar
Nate Summers committed
169

170
171
172
  object_class = G_OBJECT_CLASS (klass);
  tool_class   = GIMP_TOOL_CLASS (klass);
  draw_class   = GIMP_DRAW_TOOL_CLASS (klass);
Nate Summers's avatar
Nate Summers committed
173

174
  parent_class = g_type_class_peek_parent (klass);
Nate Summers's avatar
Nate Summers committed
175

176
  object_class->finalize     = gimp_transform_tool_finalize;
Nate Summers's avatar
Nate Summers committed
177

178
  tool_class->control        = gimp_transform_tool_control;
Nate Summers's avatar
Nate Summers committed
179
180
181
  tool_class->button_press   = gimp_transform_tool_button_press;
  tool_class->button_release = gimp_transform_tool_button_release;
  tool_class->motion         = gimp_transform_tool_motion;
182
  tool_class->modifier_key   = gimp_transform_tool_modifier_key;
183
  tool_class->oper_update    = gimp_transform_tool_oper_update;
Nate Summers's avatar
Nate Summers committed
184
  tool_class->cursor_update  = gimp_transform_tool_cursor_update;
Nate Summers's avatar
Nate Summers committed
185
186

  draw_class->draw           = gimp_transform_tool_draw;
Michael Natterer's avatar
Michael Natterer committed
187
188
189
190
191
192

  klass->dialog              = NULL;
  klass->prepare             = NULL;
  klass->motion              = NULL;
  klass->recalc              = NULL;
  klass->transform           = NULL;
Nate Summers's avatar
Nate Summers committed
193
194
195
}

static void
Michael Natterer's avatar
Michael Natterer committed
196
gimp_transform_tool_init (GimpTransformTool *tr_tool)
Nate Summers's avatar
Nate Summers committed
197
{
Michael Natterer's avatar
Michael Natterer committed
198
  GimpTool *tool;
199
  gint      i;
Nate Summers's avatar
Nate Summers committed
200

Michael Natterer's avatar
Michael Natterer committed
201
  tool = GIMP_TOOL (tr_tool);
Michael Natterer's avatar
Michael Natterer committed
202

Michael Natterer's avatar
Michael Natterer committed
203
204
205
  gimp_tool_control_set_scroll_lock (tool->control, TRUE);
  gimp_tool_control_set_preserve    (tool->control, FALSE);

Michael Natterer's avatar
Michael Natterer committed
206
207
  tr_tool->function = TRANSFORM_CREATING;
  tr_tool->original = NULL;
Nate Summers's avatar
Nate Summers committed
208
209

  for (i = 0; i < TRAN_INFO_SIZE; i++)
210
    {
Michael Natterer's avatar
Michael Natterer committed
211
212
      tr_tool->trans_info[i]     = 0.0;
      tr_tool->old_trans_info[i] = 0.0;
213
    }
Nate Summers's avatar
Nate Summers committed
214

Michael Natterer's avatar
Michael Natterer committed
215
  gimp_matrix3_identity (tr_tool->transform);
216

Michael Natterer's avatar
Michael Natterer committed
217
218
219
220
221
222
  tr_tool->use_grid     = TRUE;
  tr_tool->use_center   = TRUE;
  tr_tool->ngx          = 0;
  tr_tool->ngy          = 0;
  tr_tool->grid_coords  = NULL;
  tr_tool->tgrid_coords = NULL;
223

Michael Natterer's avatar
Michael Natterer committed
224
  tr_tool->info_dialog  = NULL;
Nate Summers's avatar
Nate Summers committed
225
226
}

227
static void
228
gimp_transform_tool_finalize (GObject *object)
Nate Summers's avatar
Nate Summers committed
229
{
230
  GimpTransformTool *tr_tool;
Nate Summers's avatar
Nate Summers committed
231

232
233
234
  tr_tool = GIMP_TRANSFORM_TOOL (object);

  if (tr_tool->original)
235
236
237
238
    {
      tile_manager_destroy (tr_tool->original);
      tr_tool->original = NULL;
    }
239

240
  if (tr_tool->info_dialog)
241
    {
242
243
      info_dialog_free (tr_tool->info_dialog);
      tr_tool->info_dialog = NULL;
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
    }

  if (tr_tool->grid_coords)
    {
      g_free (tr_tool->grid_coords);
      tr_tool->grid_coords = NULL;
    }

  if (tr_tool->tgrid_coords)
    {
      g_free (tr_tool->tgrid_coords);
      tr_tool->tgrid_coords = NULL;
    }

  G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
262
263
264
gimp_transform_tool_control (GimpTool       *tool,
			     GimpToolAction  action,
			     GimpDisplay    *gdisp)
265
{
Michael Natterer's avatar
Michael Natterer committed
266
  GimpTransformTool *tr_tool;
267

Michael Natterer's avatar
Michael Natterer committed
268
  tr_tool = GIMP_TRANSFORM_TOOL (tool);
269

270
271
272
273
  switch (action)
    {
    case PAUSE:
      break;
274

275
    case RESUME:
Michael Natterer's avatar
Michael Natterer committed
276
      gimp_transform_tool_recalc (tr_tool, gdisp);
277
      break;
278

279
    case HALT:
Michael Natterer's avatar
Michael Natterer committed
280
      gimp_transform_tool_reset (tr_tool);
281
      return; /* don't upchain */
282
      break;
283

284
285
286
287
    default:
      break;
    }

Michael Natterer's avatar
Michael Natterer committed
288
  GIMP_TOOL_CLASS (parent_class)->control (tool, action, gdisp);
289
290
291
}

static void
292
293
294
295
296
gimp_transform_tool_button_press (GimpTool        *tool,
                                  GimpCoords      *coords,
                                  guint32          time,
                                  GdkModifierType  state,
			          GimpDisplay     *gdisp)
Nate Summers's avatar
Nate Summers committed
297
{
Michael Natterer's avatar
Michael Natterer committed
298
  GimpTransformTool *tr_tool;
299
  GimpDrawTool      *draw_tool;
Michael Natterer's avatar
Michael Natterer committed
300
301
  GimpDrawable      *drawable;
  gint               off_x, off_y;
Nate Summers's avatar
Nate Summers committed
302

Michael Natterer's avatar
Michael Natterer committed
303
  tr_tool   = GIMP_TRANSFORM_TOOL (tool);
304
  draw_tool = GIMP_DRAW_TOOL (tool);
Nate Summers's avatar
Nate Summers committed
305
306
307

  drawable = gimp_image_active_drawable (gdisp->gimage);

308
309
310
311
312
313
314
315
316
  if (gdisp != tool->gdisp)
    {
      /*  Initialisation stuff: if the cursor is clicked inside the current
       *  selection, show the bounding box and handles...
       */
      gimp_drawable_offsets (drawable, &off_x, &off_y);

      if (coords->x >= off_x &&
          coords->y >= off_y &&
Michael Natterer's avatar
Michael Natterer committed
317
318
319
320
321
          coords->x < (off_x + gimp_drawable_width (drawable))  &&
          coords->y < (off_y + gimp_drawable_height (drawable)) &&

          (gimp_image_mask_is_empty (gdisp->gimage) ||
           gimp_image_mask_value (gdisp->gimage, coords->x, coords->y)))
322
        {
Michael Natterer's avatar
Michael Natterer committed
323
324
          if (GIMP_IS_LAYER (drawable) &&
              gimp_layer_get_mask (GIMP_LAYER (drawable)))
325
            {
Michael Natterer's avatar
Michael Natterer committed
326
327
328
329
330
              g_message (_("Transformations do not work on\n"
                           "layers that contain layer masks."));
              gimp_tool_control_halt (tool->control);    /* sets paused_count to 0 -- is this ok? */
              return;
            }
331

Michael Natterer's avatar
Michael Natterer committed
332
333
334
335
336
337
          /*  If the tool is already active, clear the current state
           *  and reset
           */
          if (gimp_tool_control_is_active (tool->control))
            {
              g_warning ("%s: tool_already ACTIVE", G_GNUC_FUNCTION);
338

Michael Natterer's avatar
Michael Natterer committed
339
340
              gimp_transform_tool_reset (tr_tool);
            }
341

Michael Natterer's avatar
Michael Natterer committed
342
343
344
345
          /*  Set the pointer to the active display  */
          tool->gdisp    = gdisp;
          tool->drawable = drawable;
          gimp_tool_control_activate (tool->control);
346

Michael Natterer's avatar
Michael Natterer committed
347
348
349
350
351
          /*  Find the transform bounds for some tools (like scale,
           *  perspective) that actually need the bounds for
           *  initializing
           */
          gimp_transform_tool_bounds (tr_tool, gdisp);
352

Michael Natterer's avatar
Michael Natterer committed
353
354
355
          /*  Initialize the transform tool */
          if (! tr_tool->info_dialog)
            gimp_transform_tool_dialog (tr_tool);
356

Michael Natterer's avatar
Michael Natterer committed
357
          gimp_transform_tool_prepare (tr_tool, gdisp);
358

Michael Natterer's avatar
Michael Natterer committed
359
360
          /*  Recalculate the transform tool  */
          gimp_transform_tool_recalc (tr_tool, gdisp);
361

Michael Natterer's avatar
Michael Natterer committed
362
363
          /*  start drawing the bounding box and handles...  */
          gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
364

Michael Natterer's avatar
Michael Natterer committed
365
366
367
368
          /*  find which handle we're dragging  */
          gimp_transform_tool_oper_update (tool, coords, state, gdisp);

          tr_tool->function = TRANSFORM_CREATING;
369
370
371
        }
    }

372
373
  if (tr_tool->function == TRANSFORM_CREATING &&
      gimp_tool_control_is_active (tool->control))
Nate Summers's avatar
Nate Summers committed
374
    {
375
376
      gint i;

Nate Summers's avatar
Nate Summers committed
377
378
      /*  Save the current transformation info  */
      for (i = 0; i < TRAN_INFO_SIZE; i++)
379
	tr_tool->old_trans_info[i] = tr_tool->trans_info[i];
Nate Summers's avatar
Nate Summers committed
380
381
382
383
384
385
    }

  /*  if we have already displayed the bounding box and handles,
   *  check to make sure that the display which currently owns the
   *  tool is the one which just received the button pressed event
   */
Michael Natterer's avatar
Michael Natterer committed
386
  if (gdisp == tool->gdisp)
Nate Summers's avatar
Nate Summers committed
387
388
    {
      /*  Save the current pointer position  */
Michael Natterer's avatar
Michael Natterer committed
389
390
      tr_tool->lastx = tr_tool->startx = coords->x;
      tr_tool->lasty = tr_tool->starty = coords->y;
Nate Summers's avatar
Nate Summers committed
391

392
      gimp_tool_control_activate (tool->control);
393
    }
Nate Summers's avatar
Nate Summers committed
394
395
}

396
static void
397
398
399
400
401
gimp_transform_tool_button_release (GimpTool        *tool,
                                    GimpCoords      *coords,
                                    guint32          time,
			            GdkModifierType  state,
			            GimpDisplay     *gdisp)
Nate Summers's avatar
Nate Summers committed
402
{
Michael Natterer's avatar
Michael Natterer committed
403
  GimpTransformTool *tr_tool;
Nate Summers's avatar
Nate Summers committed
404
  gint               i;
Nate Summers's avatar
Nate Summers committed
405

Michael Natterer's avatar
Michael Natterer committed
406
  tr_tool = GIMP_TRANSFORM_TOOL (tool);
Nate Summers's avatar
Nate Summers committed
407
408

  /*  if we are creating, there is nothing to be done...exit  */
409
  if (tr_tool->function == TRANSFORM_CREATING && tr_tool->use_grid)
Nate Summers's avatar
Nate Summers committed
410
411
412
    return;

  /*  if the 3rd button isn't pressed, transform the selected mask  */
413
  if (! (state & GDK_BUTTON3_MASK))
Nate Summers's avatar
Nate Summers committed
414
415
    {
      /* Shift-clicking is another way to approve the transform  */
416
      if ((state & GDK_SHIFT_MASK) || ! tr_tool->use_grid)
Nate Summers's avatar
Nate Summers committed
417
	{
Michael Natterer's avatar
Michael Natterer committed
418
	  gimp_transform_tool_doit (tr_tool, gdisp);
Nate Summers's avatar
Nate Summers committed
419
420
421
422
423
	}
      else
	{
	  /*  Only update the paths preview */
	  path_transform_current_path (gdisp->gimage,
Michael Natterer's avatar
Michael Natterer committed
424
				       tr_tool->transform, TRUE);
Nate Summers's avatar
Nate Summers committed
425
426
427
428
	}
    }
  else
    {
429
      gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
Nate Summers's avatar
Nate Summers committed
430
431
432

      /*  Restore the previous transformation info  */
      for (i = 0; i < TRAN_INFO_SIZE; i++)
433
	tr_tool->trans_info[i] = tr_tool->old_trans_info[i];
Nate Summers's avatar
Nate Summers committed
434
435

      /*  recalculate the tool's transformation matrix  */
Michael Natterer's avatar
Michael Natterer committed
436
      gimp_transform_tool_recalc (tr_tool, gdisp);
Nate Summers's avatar
Nate Summers committed
437

438
      gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
Nate Summers's avatar
Nate Summers committed
439
440
441

      /* Update the paths preview */
      path_transform_current_path (gdisp->gimage,
Michael Natterer's avatar
Michael Natterer committed
442
				   tr_tool->transform, TRUE);
Nate Summers's avatar
Nate Summers committed
443
444
445
    }
}

446
static void
447
448
449
450
451
gimp_transform_tool_motion (GimpTool        *tool,
                            GimpCoords      *coords,
                            guint32          time,
		            GdkModifierType  state,
		            GimpDisplay     *gdisp)
Nate Summers's avatar
Nate Summers committed
452
{
Michael Natterer's avatar
Michael Natterer committed
453
454
  GimpTransformToolClass *tr_tool_class;
  GimpTransformTool      *tr_tool;
Nate Summers's avatar
Nate Summers committed
455

Michael Natterer's avatar
Michael Natterer committed
456
  tr_tool = GIMP_TRANSFORM_TOOL (tool);
Nate Summers's avatar
Nate Summers committed
457

458
  /*  if we are creating, there is nothing to be done so exit.  */
459
  if (tr_tool->function == TRANSFORM_CREATING || ! tr_tool->use_grid)
Nate Summers's avatar
Nate Summers committed
460
461
    return;

462
  gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
Nate Summers's avatar
Nate Summers committed
463

Michael Natterer's avatar
Michael Natterer committed
464
465
466
  tr_tool->curx  = coords->x;
  tr_tool->cury  = coords->y;
  tr_tool->state = state;
Nate Summers's avatar
Nate Summers committed
467
468

  /*  recalculate the tool's transformation matrix  */
Michael Natterer's avatar
Michael Natterer committed
469
470
471
472
473
  tr_tool_class = GIMP_TRANSFORM_TOOL_GET_CLASS (tr_tool);

  if (tr_tool_class->motion)
    {
      tr_tool_class->motion (tr_tool, gdisp);
Nate Summers's avatar
Nate Summers committed
474

Michael Natterer's avatar
Michael Natterer committed
475
476
477
478
479
480
      if (tr_tool_class->recalc)
        tr_tool_class->recalc (tr_tool, gdisp);
    }

  tr_tool->lastx = tr_tool->curx;
  tr_tool->lasty = tr_tool->cury;
Nate Summers's avatar
Nate Summers committed
481

482
  gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
Nate Summers's avatar
Nate Summers committed
483
484
}

485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
static void
gimp_transform_tool_modifier_key (GimpTool        *tool,
                                  GdkModifierType  key,
                                  gboolean         press,
                                  GdkModifierType  state,
                                  GimpDisplay     *gdisp)
{
  TransformOptions *options;

  options = (TransformOptions *) tool->tool_info->tool_options;

  if (key == GDK_CONTROL_MASK && options->constrain_1_w)
    {
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->constrain_1_w),
                                    ! options->constrain_1);
    }
  else if (key == GDK_MOD1_MASK && options->constrain_2_w)
    {
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->constrain_2_w),
                                    ! options->constrain_2);
    }
}

508
509
510
511
512
513
514
515
516
517
518
519
static void
gimp_transform_tool_oper_update (GimpTool        *tool,
                                 GimpCoords      *coords,
                                 GdkModifierType  state,
                                 GimpDisplay     *gdisp)
{
  GimpTransformTool *tr_tool;
  GimpDrawTool      *draw_tool;

  tr_tool   = GIMP_TRANSFORM_TOOL (tool);
  draw_tool = GIMP_DRAW_TOOL (tool);

520
521
522
  if (! tr_tool->use_grid)
    return;

523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
  if (gdisp == tool->gdisp)
    {
      gdouble closest_dist;
      gdouble dist;

      closest_dist = gimp_draw_tool_calc_distance (draw_tool, gdisp,
                                                   coords->x, coords->y,
                                                   tr_tool->tx1, tr_tool->ty1);
      tr_tool->function = TRANSFORM_HANDLE_1;

      dist = gimp_draw_tool_calc_distance (draw_tool, gdisp,
                                           coords->x, coords->y,
                                           tr_tool->tx2, tr_tool->ty2);
      if (dist < closest_dist)
	{
	  closest_dist = dist;
	  tr_tool->function = TRANSFORM_HANDLE_2;
	}

      dist = gimp_draw_tool_calc_distance (draw_tool, gdisp,
                                           coords->x, coords->y,
                                           tr_tool->tx3, tr_tool->ty3);
      if (dist < closest_dist)
	{
	  closest_dist = dist;
	  tr_tool->function = TRANSFORM_HANDLE_3;
	}

      dist = gimp_draw_tool_calc_distance (draw_tool, gdisp,
                                           coords->x, coords->y,
                                           tr_tool->tx4, tr_tool->ty4);
      if (dist < closest_dist)
	{
	  closest_dist = dist;
	  tr_tool->function = TRANSFORM_HANDLE_4;
	}

      if (gimp_draw_tool_on_handle (draw_tool, gdisp,
                                    coords->x, coords->y,
                                    GIMP_HANDLE_CIRCLE,
                                    tr_tool->tcx, tr_tool->tcy,
                                    HANDLE, HANDLE,
                                    GTK_ANCHOR_CENTER,
                                    FALSE))
	{
	  tr_tool->function = TRANSFORM_HANDLE_CENTER;
	}
    }
}

573
static void
574
575
576
577
gimp_transform_tool_cursor_update (GimpTool        *tool,
                                   GimpCoords      *coords,
			           GdkModifierType  state,
			           GimpDisplay     *gdisp)
Nate Summers's avatar
Nate Summers committed
578
{
579
580
581
582
  GimpTransformTool  *tr_tool;
  GimpDrawable       *drawable;

  tr_tool = GIMP_TRANSFORM_TOOL (tool);
Nate Summers's avatar
Nate Summers committed
583

Michael Natterer's avatar
Michael Natterer committed
584
  if (tr_tool->use_grid)
Nate Summers's avatar
Nate Summers committed
585
    {
Michael Natterer's avatar
Michael Natterer committed
586
587
      GdkCursorType      ctype     = GDK_TOP_LEFT_ARROW;
      GimpCursorModifier cmodifier = GIMP_CURSOR_MODIFIER_NONE;
588

Michael Natterer's avatar
Michael Natterer committed
589
590
591
     if ((drawable = gimp_image_active_drawable (gdisp->gimage)))
        {
          gint off_x, off_y;
592

Michael Natterer's avatar
Michael Natterer committed
593
          gimp_drawable_offsets (drawable, &off_x, &off_y);
Nate Summers's avatar
Nate Summers committed
594

Michael Natterer's avatar
Michael Natterer committed
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
          if (GIMP_IS_LAYER (drawable) &&
              gimp_layer_get_mask (GIMP_LAYER (drawable)))
            {
              ctype = GIMP_BAD_CURSOR;
            }
          else if (coords->x >= off_x &&
                   coords->y >= off_y &&
                   coords->x < (off_x + drawable->width) &&
                   coords->y < (off_y + drawable->height))
            {
              if (gimp_image_mask_is_empty (gdisp->gimage) ||
                  gimp_image_mask_value (gdisp->gimage, coords->x, coords->y))
                {
                  ctype = GIMP_MOUSE_CURSOR;
                }
            }
        }
612

Michael Natterer's avatar
Michael Natterer committed
613
614
615
616
617
618
619
620
      if (tr_tool->use_center && tr_tool->function == TRANSFORM_HANDLE_CENTER)
        {
          cmodifier = GIMP_CURSOR_MODIFIER_MOVE;
        }

      gimp_tool_control_set_cursor          (tool->control, ctype);
      gimp_tool_control_set_cursor_modifier (tool->control, cmodifier);
    }
621
622

  GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
Nate Summers's avatar
Nate Summers committed
623
624
}

625
static void
626
gimp_transform_tool_draw (GimpDrawTool *draw_tool)
Nate Summers's avatar
Nate Summers committed
627
{
628
  GimpTransformTool *tr_tool;
Michael Natterer's avatar
Michael Natterer committed
629
  TransformOptions  *options;
630
631
632
  gint               i, k, gci;

  tr_tool = GIMP_TRANSFORM_TOOL (draw_tool);
Nate Summers's avatar
Nate Summers committed
633

634
635
636
  if (! tr_tool->use_grid)
    return;

Michael Natterer's avatar
Michael Natterer committed
637
638
  options = (TransformOptions *) GIMP_TOOL (draw_tool)->tool_info->tool_options;

Nate Summers's avatar
Nate Summers committed
639
  /*  draw the bounding box  */
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
  gimp_draw_tool_draw_line (draw_tool,
                            tr_tool->tx1, tr_tool->ty1,
                            tr_tool->tx2, tr_tool->ty2,
                            FALSE);
  gimp_draw_tool_draw_line (draw_tool,
                            tr_tool->tx2, tr_tool->ty2,
                            tr_tool->tx4, tr_tool->ty4,
                            FALSE);
  gimp_draw_tool_draw_line (draw_tool,
                            tr_tool->tx3, tr_tool->ty3,
                            tr_tool->tx4, tr_tool->ty4,
                            FALSE);
  gimp_draw_tool_draw_line (draw_tool,
                            tr_tool->tx3, tr_tool->ty3,
                            tr_tool->tx1, tr_tool->ty1,
                            FALSE);
Nate Summers's avatar
Nate Summers committed
656
657
658

  /*  Draw the grid */

659
  if ((tr_tool->grid_coords != NULL) && (tr_tool->tgrid_coords != NULL))
Nate Summers's avatar
Nate Summers committed
660
661
    {
      gci = 0;
Nate Summers's avatar
Nate Summers committed
662
      k = tr_tool->ngx + tr_tool->ngy;
663

Nate Summers's avatar
Nate Summers committed
664
665
      for (i = 0; i < k; i++)
	{
666
667
668
669
670
671
          gimp_draw_tool_draw_line (draw_tool,
                                    tr_tool->tgrid_coords[gci],
                                    tr_tool->tgrid_coords[gci + 1],
                                    tr_tool->tgrid_coords[gci + 2],
                                    tr_tool->tgrid_coords[gci + 3],
                                    FALSE);
Nate Summers's avatar
Nate Summers committed
672
673
674
675
676
	  gci += 4;
	}
    }

  /*  draw the tool handles  */
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
  gimp_draw_tool_draw_handle (draw_tool,
                              GIMP_HANDLE_SQUARE,
                              tr_tool->tx1, tr_tool->ty1,
                              HANDLE, HANDLE,
                              GTK_ANCHOR_CENTER,
                              FALSE);
  gimp_draw_tool_draw_handle (draw_tool,
                              GIMP_HANDLE_SQUARE,
                              tr_tool->tx2, tr_tool->ty2,
                              HANDLE, HANDLE,
                              GTK_ANCHOR_CENTER,
                              FALSE);
  gimp_draw_tool_draw_handle (draw_tool,
                              GIMP_HANDLE_SQUARE,
                              tr_tool->tx3, tr_tool->ty3,
                              HANDLE, HANDLE,
                              GTK_ANCHOR_CENTER,
                              FALSE);
  gimp_draw_tool_draw_handle (draw_tool,
                              GIMP_HANDLE_SQUARE,
                              tr_tool->tx4, tr_tool->ty4,
                              HANDLE, HANDLE,
                              GTK_ANCHOR_CENTER,
                              FALSE);
Nate Summers's avatar
Nate Summers committed
701
702

  /*  draw the center  */
703
704
705
706
707
708
709
710
711
  if (tr_tool->use_center)
    {
      gimp_draw_tool_draw_handle (draw_tool,
                                  GIMP_HANDLE_FILLED_CIRCLE,
                                  tr_tool->tcx, tr_tool->tcy,
                                  HANDLE, HANDLE,
                                  GTK_ANCHOR_CENTER,
                                  FALSE);
    }
Nate Summers's avatar
Nate Summers committed
712

Michael Natterer's avatar
Michael Natterer committed
713
  if (options->show_path)
Nate Summers's avatar
Nate Summers committed
714
715
716
    {
      GimpMatrix3 tmp_matrix;

Michael Natterer's avatar
Michael Natterer committed
717
      if (options->direction == GIMP_TRANSFORM_BACKWARD)
Nate Summers's avatar
Nate Summers committed
718
	{
Nate Summers's avatar
Nate Summers committed
719
	  gimp_matrix3_invert (tr_tool->transform, tmp_matrix);
Nate Summers's avatar
Nate Summers committed
720
721
722
	}
      else
	{
Nate Summers's avatar
Nate Summers committed
723
	  gimp_matrix3_duplicate (tr_tool->transform, tmp_matrix);
Nate Summers's avatar
Nate Summers committed
724
725
	}

726
727
      path_transform_draw_current (GIMP_TOOL (draw_tool)->gdisp,
                                   draw_tool, tmp_matrix);
Nate Summers's avatar
Nate Summers committed
728
729
730
    }
}

Michael Natterer's avatar
Michael Natterer committed
731
732
733
734
static void
gimp_transform_tool_doit (GimpTransformTool  *tr_tool,
		          GimpDisplay        *gdisp)
{
Michael Natterer's avatar
Michael Natterer committed
735
736
737
738
  GimpTool    *tool;
  TileManager *new_tiles;
  GSList      *path_undo;
  gboolean     new_layer;
Michael Natterer's avatar
Michael Natterer committed
739
740
741
742
743
744
745
746
747
748
749

  gimp_set_busy (gdisp->gimage->gimp);

  tool = GIMP_TOOL (tr_tool);

  /* undraw the tool before we muck around with the transform matrix */
  gimp_draw_tool_pause (GIMP_DRAW_TOOL (tr_tool));

  /*  We're going to dirty this image, but we want to keep the tool
   *  around
   */
750
  gimp_tool_control_set_preserve (tool->control, TRUE);
Michael Natterer's avatar
Michael Natterer committed
751
752

  /*  Start a transform undo group  */
Michael Natterer's avatar
Michael Natterer committed
753
  undo_push_group_start (gdisp->gimage, TRANSFORM_UNDO_GROUP);
Michael Natterer's avatar
Michael Natterer committed
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768

  /* With the old UI, if original is NULL, then this is the
   * first transformation. In the new UI, it is always so, right?
   */
  g_assert (tr_tool->original == NULL);

  /*  Copy the current selection to the transform tool's private
   *  selection pointer, so that the original source can be repeatedly
   *  modified.
   */
  tool->drawable = gimp_image_active_drawable (gdisp->gimage);

  tr_tool->original = gimp_drawable_transform_cut (tool->drawable,
                                                   &new_layer);

Michael Natterer's avatar
Michael Natterer committed
769
  path_undo = path_transform_start_undo (gdisp->gimage);
Michael Natterer's avatar
Michael Natterer committed
770
771
772

  /*  Send the request for the transformation to the tool...
   */
Michael Natterer's avatar
Michael Natterer committed
773
774
775
776
777
  if (GIMP_TRANSFORM_TOOL_GET_CLASS (tr_tool)->transform)
    new_tiles = GIMP_TRANSFORM_TOOL_GET_CLASS (tr_tool)->transform (tr_tool,
                                                                    gdisp);
  else
    new_tiles = NULL;
Michael Natterer's avatar
Michael Natterer committed
778

Michael Natterer's avatar
Michael Natterer committed
779
  gimp_transform_tool_prepare (tr_tool, gdisp);
Michael Natterer's avatar
Michael Natterer committed
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
  gimp_transform_tool_recalc (tr_tool, gdisp);

  if (new_tiles)
    {
      /*  paste the new transformed image to the gimage...also implement
       *  undo...
       */
      /*  FIXME: we should check if the drawable is still valid  */
      gimp_drawable_transform_paste (tool->drawable,
                                     new_tiles,
                                     new_layer);

      /*  Make a note of the new current drawable (since we may have
       *  a floating selection, etc now.
       */
      tool->drawable = gimp_image_active_drawable (gdisp->gimage);

Michael Natterer's avatar
Michael Natterer committed
797
798
799
800
801
802
      undo_push_transform (gdisp->gimage,
                           tool->ID,
                           G_TYPE_FROM_INSTANCE (tool),
                           tr_tool->old_trans_info,
                           NULL,
                           path_undo);
Michael Natterer's avatar
Michael Natterer committed
803
804
805
806
807
808
809
810
    }

  /*  push the undo group end  */
  undo_push_group_end (gdisp->gimage);

  /*  We're done dirtying the image, and would like to be restarted
   *  if the image gets dirty while the tool exists
   */
811
  gimp_tool_control_set_preserve (tool->control, FALSE);
Michael Natterer's avatar
Michael Natterer committed
812
813
814

  gimp_unset_busy (gdisp->gimage->gimp);

815
  gimp_image_flush (gdisp->gimage);
Michael Natterer's avatar
Michael Natterer committed
816

Michael Natterer's avatar
Michael Natterer committed
817
  gimp_transform_tool_reset (tr_tool);
Michael Natterer's avatar
Michael Natterer committed
818
819
820
}

TileManager *
Michael Natterer's avatar
Michael Natterer committed
821
gimp_transform_tool_transform_tiles (GimpTransformTool *tr_tool,
Michael Natterer's avatar
Michael Natterer committed
822
823
824
825
826
827
828
                                     const gchar       *progress_text)
{
  GimpTool         *tool;
  TransformOptions *options;
  GimpProgress     *progress;
  TileManager      *ret;

Michael Natterer's avatar
Michael Natterer committed
829
  g_return_val_if_fail (GIMP_IS_TRANSFORM_TOOL (tr_tool), NULL);
Michael Natterer's avatar
Michael Natterer committed
830
831
  g_return_val_if_fail (progress_text != NULL, NULL);

Michael Natterer's avatar
Michael Natterer committed
832
833
  if (tr_tool->info_dialog)
    gtk_widget_set_sensitive (GTK_WIDGET (tr_tool->info_dialog->shell), FALSE);
Michael Natterer's avatar
Michael Natterer committed
834

Michael Natterer's avatar
Michael Natterer committed
835
  tool = GIMP_TOOL (tr_tool);
Michael Natterer's avatar
Michael Natterer committed
836
837
838

  options = (TransformOptions *) tool->tool_info->tool_options;

Michael Natterer's avatar
Michael Natterer committed
839
840
  progress = gimp_progress_start (tool->gdisp, progress_text, FALSE,
                                  NULL, NULL);
Michael Natterer's avatar
Michael Natterer committed
841
842

  ret = gimp_drawable_transform_tiles_affine (gimp_image_active_drawable (tool->gdisp->gimage),
Michael Natterer's avatar
Michael Natterer committed
843
                                              tr_tool->original,
844
                                              options->interpolation,
Michael Natterer's avatar
Michael Natterer committed
845
                                              options->clip,
Michael Natterer's avatar
Michael Natterer committed
846
                                              tr_tool->transform,
Michael Natterer's avatar
Michael Natterer committed
847
                                              options->direction,
Michael Natterer's avatar
Michael Natterer committed
848
849
850
                                              progress ?
                                              gimp_progress_update_and_flush : 
                                              NULL,
Michael Natterer's avatar
Michael Natterer committed
851
852
853
                                              progress);

  if (progress)
Michael Natterer's avatar
Michael Natterer committed
854
    gimp_progress_end (progress);
Michael Natterer's avatar
Michael Natterer committed
855
856
857
858

  return ret;
}

Nate Summers's avatar
Nate Summers committed
859
void
Nate Summers's avatar
Nate Summers committed
860
gimp_transform_tool_transform_bounding_box (GimpTransformTool *tr_tool)
Nate Summers's avatar
Nate Summers committed
861
{
862
  g_return_if_fail (GIMP_IS_TRANSFORM_TOOL (tr_tool));
Nate Summers's avatar
Nate Summers committed
863
864
865
866
867
868
869
870
871
872
873
874
875

  gimp_matrix3_transform_point (tr_tool->transform,
				tr_tool->x1, tr_tool->y1,
				&tr_tool->tx1, &tr_tool->ty1);
  gimp_matrix3_transform_point (tr_tool->transform,
				tr_tool->x2, tr_tool->y1,
				&tr_tool->tx2, &tr_tool->ty2);
  gimp_matrix3_transform_point (tr_tool->transform,
				tr_tool->x1, tr_tool->y2,
				&tr_tool->tx3, &tr_tool->ty3);
  gimp_matrix3_transform_point (tr_tool->transform,
				tr_tool->x2, tr_tool->y2,
				&tr_tool->tx4, &tr_tool->ty4);
Nate Summers's avatar
Nate Summers committed
876

877
878
879
  gimp_matrix3_transform_point (tr_tool->transform,
				tr_tool->cx, tr_tool->cy,
				&tr_tool->tcx, &tr_tool->tcy);
Nate Summers's avatar
Nate Summers committed
880

881
  if (tr_tool->grid_coords != NULL && tr_tool->tgrid_coords != NULL)
Nate Summers's avatar
Nate Summers committed
882
    {
883
884
885
      gint i, k;
      gint gci;

Nate Summers's avatar
Nate Summers committed
886
      gci = 0;
887
      k   = (tr_tool->ngx + tr_tool->ngy) * 2;
888

Nate Summers's avatar
Nate Summers committed
889
890
      for (i = 0; i < k; i++)
	{
Nate Summers's avatar
Nate Summers committed
891
892
893
894
895
	  gimp_matrix3_transform_point (tr_tool->transform,
					tr_tool->grid_coords[gci],
					tr_tool->grid_coords[gci+1],
					&(tr_tool->tgrid_coords[gci]),
					&(tr_tool->tgrid_coords[gci+1]));
Nate Summers's avatar
Nate Summers committed
896
897
898
899
900
	  gci += 2;
	}
    }
}

901
static void
Michael Natterer's avatar
Michael Natterer committed
902
gimp_transform_tool_reset (GimpTransformTool *tr_tool)
Nate Summers's avatar
Nate Summers committed
903
{
Nate Summers's avatar
Nate Summers committed
904
  GimpTool *tool;
Nate Summers's avatar
Nate Summers committed
905

906
  tool = GIMP_TOOL (tr_tool);
Nate Summers's avatar
Nate Summers committed
907

Nate Summers's avatar
Nate Summers committed
908
  if (tr_tool->original)
909
910
911
912
    {
      tile_manager_destroy (tr_tool->original);
      tr_tool->original = NULL;
    }
Nate Summers's avatar
Nate Summers committed
913
914

  /*  inactivate the tool  */
Nate Summers's avatar
Nate Summers committed
915
  tr_tool->function = TRANSFORM_CREATING;
916

917
  gimp_draw_tool_stop (GIMP_DRAW_TOOL (tr_tool));
918
919
920

  if (tr_tool->info_dialog)
    info_dialog_popdown (tr_tool->info_dialog);
Nate Summers's avatar
Nate Summers committed
921

922
  gimp_tool_control_halt (tool->control);    /* sets paused_count to 0 -- is this ok? */
Nate Summers's avatar
Nate Summers committed
923
924
925
926
927
  tool->gdisp    = NULL;
  tool->drawable = NULL;
}

static void
928
gimp_transform_tool_bounds (GimpTransformTool *tr_tool,
929
		            GimpDisplay       *gdisp)
Nate Summers's avatar
Nate Summers committed
930
{
931
932
  TileManager  *tiles;
  GimpDrawable *drawable;
Nate Summers's avatar
Nate Summers committed
933

934
935
  tiles    = tr_tool->original;
  drawable = gimp_image_active_drawable (gdisp->gimage);
Nate Summers's avatar
Nate Summers committed
936
937
938
939

  /*  find the boundaries  */
  if (tiles)
    {
940
941
      tile_manager_get_offsets (tiles, &tr_tool->x1, &tr_tool->y1);

Nate Summers's avatar
Nate Summers committed
942
943
      tr_tool->x2 = tr_tool->x1 + tile_manager_width (tiles);
      tr_tool->y2 = tr_tool->y1 + tile_manager_height (tiles);
Nate Summers's avatar
Nate Summers committed
944
945
946
    }
  else
    {
947
948
      gint offset_x, offset_y;

Nate Summers's avatar
Nate Summers committed
949
      gimp_drawable_offsets (drawable, &offset_x, &offset_y);
950

Nate Summers's avatar
Nate Summers committed
951
      gimp_drawable_mask_bounds (drawable,
Nate Summers's avatar
Nate Summers committed
952
953
954
955
956
957
				 &tr_tool->x1, &tr_tool->y1,
				 &tr_tool->x2, &tr_tool->y2);
      tr_tool->x1 += offset_x;
      tr_tool->y1 += offset_y;
      tr_tool->x2 += offset_x;
      tr_tool->y2 += offset_y;
Nate Summers's avatar
Nate Summers committed
958
    }
Nate Summers's avatar
Nate Summers committed
959

960
961
  tr_tool->cx = (gdouble) (tr_tool->x1 + tr_tool->x2) / 2.0;
  tr_tool->cy = (gdouble) (tr_tool->y1 + tr_tool->y2) / 2.0;
Nate Summers's avatar
Nate Summers committed
962

Michael Natterer's avatar
Michael Natterer committed
963
964
965
966
967
  if (tr_tool->use_grid)
    {
      /*  changing the bounds invalidates any grid we may have  */
      gimp_transform_tool_grid_recalc (tr_tool);
    }
Nate Summers's avatar
Nate Summers committed
968
969
}

970
void
Michael Natterer's avatar
Michael Natterer committed
971
gimp_transform_tool_grid_density_changed (GimpTransformTool *tr_tool)
972
{
Michael Natterer's avatar
Michael Natterer committed
973
  if (tr_tool->function == TRANSFORM_CREATING)
Nate Summers's avatar
Nate Summers committed
974
975
    return;

Michael Natterer's avatar
Michael Natterer committed
976
  gimp_draw_tool_pause (GIMP_DRAW_TOOL (tr_tool));
977

Michael Natterer's avatar
Michael Natterer committed
978
979
  gimp_transform_tool_grid_recalc (tr_tool);
  gimp_transform_tool_transform_bounding_box (tr_tool);
980

Michael Natterer's avatar
Michael Natterer committed
981
  gimp_draw_tool_resume (GIMP_DRAW_TOOL (tr_tool));
Nate Summers's avatar
Nate Summers committed
982
983
984
}

void
Michael Natterer's avatar
Michael Natterer committed
985
gimp_transform_tool_show_path_changed (GimpTransformTool *tr_tool,
Michael Natterer's avatar
Michael Natterer committed
986
                                       gint               type /* a truly undescriptive name */)
Nate Summers's avatar
Nate Summers committed
987
{
Michael Natterer's avatar
Michael Natterer committed
988
  if (tr_tool->function == TRANSFORM_CREATING)
Nate Summers's avatar
Nate Summers committed
989
990
991
    return;

  if (type)
Michael Natterer's avatar
Michael Natterer committed
992
    gimp_draw_tool_pause (GIMP_DRAW_TOOL (tr_tool));
Nate Summers's avatar
Nate Summers committed
993
  else
Michael Natterer's avatar
Michael Natterer committed
994
    gimp_draw_tool_resume (GIMP_DRAW_TOOL (tr_tool));
Nate Summers's avatar
Nate Summers committed
995
996
997
}

static void
Nate Summers's avatar
Nate Summers committed
998
gimp_transform_tool_grid_recalc (GimpTransformTool *tr_tool)
Nate Summers's avatar
Nate Summers committed
999
{
Michael Natterer's avatar
Michael Natterer committed
1000
  TransformOptions *options;