1
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
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
|
/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <gtk/gtk.h>
#include "tools-types.h"
#include "base/tile-manager.h"
#include "core/gimpimage-undo.h"
#include "core/gimpimage.h"
#include "core/gimpundo.h"
#include "gimptoolcontrol.h"
#include "gimptransformtool.h"
#include "gimptransformtool-undo.h"
#include "tool_manager.h"
#include "gimp-intl.h"
/********************/
/* Transform Undo */
/********************/
typedef struct _TransformUndo TransformUndo;
struct _TransformUndo
{
gint tool_ID;
GType tool_type;
TransInfo trans_info;
TileManager *original;
};
static gboolean undo_pop_transform (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
static void undo_free_transform (GimpUndo *undo,
GimpUndoMode undo_mode);
gboolean
gimp_transform_tool_push_undo (GimpImage *gimage,
const gchar *undo_desc,
gint tool_ID,
GType tool_type,
gdouble *trans_info,
TileManager *original)
{
GimpUndo *new;
if ((new = gimp_image_undo_push (gimage, GIMP_TYPE_UNDO,
sizeof (TransformUndo),
sizeof (TransformUndo),
GIMP_UNDO_TRANSFORM, undo_desc,
FALSE,
undo_pop_transform,
undo_free_transform,
NULL)))
{
TransformUndo *tu = new->data;
gint i;
tu->tool_ID = tool_ID;
tu->tool_type = tool_type;
for (i = 0; i < TRAN_INFO_SIZE; i++)
tu->trans_info[i] = trans_info[i];
if (original)
tu->original = tile_manager_ref (original);
return TRUE;
}
return FALSE;
}
static gboolean
undo_pop_transform (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpTool *active_tool;
active_tool = tool_manager_get_active (undo->gimage->gimp);
if (GIMP_IS_TRANSFORM_TOOL (active_tool))
{
GimpTransformTool *tt = GIMP_TRANSFORM_TOOL (active_tool);
TransformUndo *tu = undo->data;
/* only pop if the active tool is the tool that pushed this undo */
if (tu->tool_ID == active_tool->ID)
{
TileManager *temp;
gdouble d;
gint i;
/* swap the transformation information arrays */
for (i = 0; i < TRAN_INFO_SIZE; i++)
{
d = tu->trans_info[i];
tu->trans_info[i] = tt->trans_info[i];
tt->trans_info[i] = d;
}
/* swap the original buffer--the source buffer for repeated transforms
*/
temp = tu->original;
tu->original = tt->original;
tt->original = temp;
/* If we're re-implementing the first transform, reactivate tool */
if (undo_mode == GIMP_UNDO_MODE_REDO && tt->original)
{
gimp_tool_control_activate (active_tool->control);
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tt));
}
}
}
return TRUE;
}
static void
undo_free_transform (GimpUndo *undo,
GimpUndoMode undo_mode)
{
TransformUndo * tu = undo->data;
if (tu->original)
tile_manager_unref (tu->original);
g_free (tu);
}
|
