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
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
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
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
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
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
|
/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* GIMP PSD Plug-in
* Copyright 2007 by John Marshall
*
* 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/>.
*/
/* ----- Known Layer Resource Block Types -----
All layer resources not otherwise handled, including unknown types
are dropped with a warning.
* Adjustment layer IDs *
PSD_LADJ_LEVEL "levl" Drop Layer * Adjustment layer - levels (PS4) *
PSD_LADJ_CURVE "curv" Drop Layer * Adjustment layer - curves (PS4) *
PSD_LADJ_BRIGHTNESS "brit" Drop Layer * Adjustment layer - brightness contrast (PS4) *
PSD_LADJ_BALANCE "blnc" Drop Layer * Adjustment layer - color balance (PS4) *
PSD_LADJ_BLACK_WHITE "blwh" Drop Layer * Adjustment layer - black & white (PS10) *
PSD_LADJ_HUE "hue " Drop Layer * Adjustment layer - old hue saturation (PS4) *
PSD_LADJ_HUE2 "hue2" Drop Layer * Adjustment layer - hue saturation (PS5) *
PSD_LADJ_SELECTIVE "selc" Drop Layer * Adjustment layer - selective color (PS4) *
PSD_LADJ_MIXER "mixr" Drop Layer * Adjustment layer - channel mixer (PS9) *
PSD_LADJ_GRAD_MAP "grdm" Drop Layer * Adjustment layer - gradient map (PS9) *
PSD_LADJ_PHOTO_FILT "phfl" Drop Layer * Adjustment layer - photo filter (PS9) *
PSD_LADJ_EXPOSURE "expA" Drop Layer * Adjustment layer - exposure (PS10) *
PSD_LADJ_INVERT "nvrt" Drop Layer * Adjustment layer - invert (PS4) *
PSD_LADJ_THRESHOLD "thrs" Drop Layer * Adjustment layer - threshold (PS4) *
PSD_LADJ_POSTERIZE "post" Drop Layer * Adjustment layer - posterize (PS4) *
* Fill Layer IDs *
PSD_LFIL_SOLID "SoCo" - * Solid color sheet setting (PS6) *
PSD_LFIL_PATTERN "PtFl" - * Pattern fill setting (PS6) *
PSD_LFIL_GRADIENT "GdFl" - * Gradient fill setting (PS6) *
* Effects Layer IDs *
PSD_LFX_FX "lrFX" - * Effects layer info (PS5) *
PSD_LFX_FX2 "lfx2" - * Object based effects layer info (PS6) *
* Type Tool Layers *
PSD_LTYP_TYPE "tySh" - * Type tool layer (PS5) *
PSD_LTYP_TYPE2 "TySh" - * Type tool object setting (PS6) *
* Layer Properties *
PSD_LPRP_UNICODE "luni" Loaded * Unicode layer name (PS5) *
PSD_LPRP_SOURCE "lnsr" Loaded * Layer name source setting (PS6) *
PSD_LPRP_ID "lyid" Loaded * Layer ID (PS5) *
PSD_LPRP_BLEND_CLIP "clbl" - * Blend clipping elements (PS6) *
PSD_LPRP_BLEND_INT "infx" - * Blend interior elements (PS6) *
PSD_LPRP_KNOCKOUT "knko" - * Knockout setting (PS6) *
PSD_LPRP_PROTECT "lspf" - * Protected setting (PS6) *
PSD_LPRP_COLOR "lclr" - * Sheet color setting (PS6) *
PSD_LPRP_REF_POINT "fxrp" - * Reference point (PS6) *
* Vector mask *
PSD_LMSK_VMASK "vmsk" - * Vector mask setting (PS6) *
* Parasites *
PSD_LPAR_ANNOTATE "Anno" - * Annotation (PS6) *
* Other *
PSD_LOTH_PATTERN "Patt" - * Patterns (PS6) *
PSD_LOTH_GRADIENT "grdm" - * Gradient settings (PS6) *
PSD_LOTH_SECTION "lsct" Loaded * Section divider setting (PS6) (Layer Groups) *
PSD_LOTH_RESTRICT "brst" - * Channel blending restriction setting (PS6) *
PSD_LOTH_FOREIGN_FX "ffxi" - * Foreign effect ID (PS6) *
PSD_LOTH_PATT_DATA "shpa" - * Pattern data (PS6) *
PSD_LOTH_META_DATA "shmd" - * Meta data setting (PS6) *
PSD_LOTH_LAYER_DATA "layr" - * Layer data (PS6) *
* Effects layer resource IDs *
PSD_LFX_COMMON "cmnS" - * Effects layer - common state (PS5) *
PSD_LFX_DROP_SDW "dsdw" - * Effects layer - drop shadow (PS5) *
PSD_LFX_INNER_SDW "isdw" - * Effects layer - inner shadow (PS5) *
PSD_LFX_OUTER_GLW "oglw" - * Effects layer - outer glow (PS5) *
PSD_LFX_INNER_GLW "iglw" - * Effects layer - inner glow (PS5) *
PSD_LFX_BEVEL "bevl" - * Effects layer - bevel (PS5) *
*/
#include "config.h"
#include <string.h>
#include <errno.h>
#include <glib/gstdio.h>
#include <libgimp/gimp.h>
#include "psd.h"
#include "psd-util.h"
#include "psd-layer-res-load.h"
#include "libgimp/stdplugins-intl.h"
/* Local function prototypes */
static gint load_resource_unknown (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_ladj (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_lfil (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_lfx (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_ltyp (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_luni (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_lyid (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_lsct (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
/* Public Functions */
gint
get_layer_resource_header (PSDlayerres *res_a,
FILE *f,
GError **error)
{
if (fread (res_a->sig, 4, 1, f) < 1
|| fread (res_a->key, 4, 1, f) < 1
|| fread (&res_a->data_len, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
res_a->data_len = GUINT32_FROM_BE (res_a->data_len);
res_a->data_start = ftell (f);
IFDBG(2) g_debug ("Sig: %.4s, key: %.4s, start: %d, len: %d",
res_a->sig, res_a->key, res_a->data_start, res_a->data_len);
return 0;
}
gint
load_layer_resource (PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Set file position to start of layer resource data block */
if (fseek (f, res_a->data_start, SEEK_SET) < 0)
{
psd_set_error (feof (f), errno, error);
return -1;
}
/* Process layer resource blocks */
if (memcmp (res_a->sig, "8BIM", 4) != 0)
{
IFDBG(1) g_debug ("Unknown layer resource signature %.4s", res_a->sig);
}
else
{
if (memcmp (res_a->key, PSD_LADJ_LEVEL, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_CURVE, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_BRIGHTNESS, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_BALANCE, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_BLACK_WHITE, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_HUE, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_HUE2, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_SELECTIVE, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_MIXER, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_GRAD_MAP, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_PHOTO_FILT, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_EXPOSURE, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_THRESHOLD, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_INVERT, 4) == 0
|| memcmp (res_a->key, PSD_LADJ_POSTERIZE, 4) == 0)
load_resource_ladj (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LFIL_SOLID, 4) == 0
|| memcmp (res_a->key, PSD_LFIL_PATTERN, 4) == 0
|| memcmp (res_a->key, PSD_LFIL_GRADIENT, 4) == 0)
load_resource_lfil (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LFX_FX, 4) == 0
|| memcmp (res_a->key, PSD_LFX_FX2, 4) == 0)
load_resource_lfx (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LTYP_TYPE, 4) == 0
|| memcmp (res_a->key, PSD_LTYP_TYPE2, 4) == 0)
load_resource_ltyp (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LPRP_UNICODE, 4) == 0)
load_resource_luni (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LPRP_ID, 4) == 0)
load_resource_lyid (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LOTH_SECTION, 4) == 0)
load_resource_lsct (res_a, lyr_a, f, error);
else
load_resource_unknown (res_a, lyr_a, f, error);
}
/* Set file position to end of layer resource block */
if (fseek (f, res_a->data_start + res_a->data_len, SEEK_SET) < 0)
{
psd_set_error (feof (f), errno, error);
return -1;
}
return 0;
}
/* Private Functions */
static gint
load_resource_unknown (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
IFDBG(2) g_debug ("Process unknown layer resource block: %.4s", res_a->key);
return 0;
}
static gint
load_resource_ladj (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load adjustment layer */
static gboolean msg_flag = FALSE;
IFDBG(2) g_debug ("Process layer resource block %.4s: Adjustment layer", res_a->key);
lyr_a->drop = TRUE;
if (! msg_flag && CONVERSION_WARNINGS)
{
g_message ("Warning:\n"
"The image file contains adjustment layers. "
"These are not supported by the GIMP and will "
"be dropped.");
msg_flag = TRUE;
}
return 0;
}
static gint
load_resource_lfil (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load fill layer */
static gboolean msg_flag = FALSE;
IFDBG(2) g_debug ("Process layer resource block %.4s: Fill layer", res_a->key);
if (! msg_flag && CONVERSION_WARNINGS)
{
g_message ("Warning:\n"
"The image file contains fill layers. "
"These are not supported by the GIMP and will "
"be rasterized.");
msg_flag = TRUE;
}
return 0;
}
static gint
load_resource_lfx (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load layer effects */
static gboolean msg_flag = FALSE;
IFDBG(2) g_debug ("Process layer resource block %.4s: Layer effects", res_a->key);
if (! msg_flag && CONVERSION_WARNINGS)
{
g_message ("Warning:\n"
"The image file contains layer effects. "
"These are not supported by the GIMP and will "
"be dropped.");
msg_flag = TRUE;
}
return 0;
}
static gint
load_resource_ltyp (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load type tool layer */
gint16 version;
gint16 text_desc_vers;
gint32 desc_version;
guint64 t_xx;
guint64 t_xy;
guint64 t_yx;
guint64 t_yy;
guint64 t_tx;
guint64 t_ty;
gdouble transform_xx;
gdouble transform_xy;
gdouble transform_yx;
gdouble transform_yy;
gdouble transform_tx;
gdouble transform_ty;
static gboolean msg_flag = FALSE;
IFDBG(2) g_debug ("Process layer resource block %.4s: Type tool layer", res_a->key);
if (! msg_flag && CONVERSION_WARNINGS)
{
g_message ("Warning:\n"
"The image file contains type tool layers. "
"These are not supported by the GIMP and will "
"be dropped.");
msg_flag = TRUE;
}
/* New style type tool layers (ps6) */
if (memcmp (res_a->key, PSD_LTYP_TYPE2, 4) == 0)
{
if (fread (&version, 2, 1, f) < 1
|| fread (&t_xx, 8, 1, f) < 1
|| fread (&t_xy, 8, 1, f) < 1
|| fread (&t_yx, 8, 1, f) < 1
|| fread (&t_yy, 8, 1, f) < 1
|| fread (&t_tx, 8, 1, f) < 1
|| fread (&t_ty, 8, 1, f) < 1
|| fread (&text_desc_vers, 2, 1, f) < 1
|| fread (&desc_version, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
version = GINT16_FROM_BE (version);
text_desc_vers = GINT16_FROM_BE (text_desc_vers);
desc_version = GINT32_FROM_BE (desc_version);
// t_xx = GUINT64_FROM_BE (t_xx);
// t_xy = GUINT64_FROM_BE (t_xy);
// t_yx = GUINT64_FROM_BE (t_yx);
// t_yy = GUINT64_FROM_BE (t_yy);
// t_tx = GUINT64_FROM_BE (t_tx);
// t_ty = GUINT64_FROM_BE (t_ty);
transform_xx = t_xx >> 11;
transform_xy = t_xy >> 11;
transform_yx = t_yx >> 11;
transform_yy = t_yy >> 11;
transform_tx = t_tx >> 11;
transform_ty = t_ty >> 11;
IFDBG(2) g_debug ("Version: %d, Text desc. vers.: %d, Desc. vers.: %d",
version, text_desc_vers, desc_version);
IFDBG(2) g_debug ("Transform\n\txx: %f\n\txy: %f\n\tyx: %f"
"\n\tyy: %f\n\ttx: %f\n\tty: %f",
transform_xx, transform_xy, transform_yx,
transform_yy, transform_tx, transform_ty);
// classID = fread_unicode_string (&read_len, &write_len, 4, f);
// IFDBG(2) g_debug ("Unicode name: %s", classID);
}
return 0;
}
static gint
load_resource_luni (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load layer name in unicode (length padded to multiple of 4 bytes) */
gint32 read_len;
gint32 write_len;
IFDBG(2) g_debug ("Process layer resource block luni: Unicode Name");
if (lyr_a->name)
g_free (lyr_a->name);
lyr_a->name = fread_unicode_string (&read_len, &write_len, 4, f, error);
if (*error)
return -1;
IFDBG(3) g_debug ("Unicode name: %s", lyr_a->name);
return 0;
}
static gint
load_resource_lyid (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load layer id (tattoo) */
IFDBG(2) g_debug ("Process layer resource block lyid: Layer ID");
if (fread (&lyr_a->id, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
lyr_a->id = GUINT32_FROM_BE (lyr_a->id);
IFDBG(3) g_debug ("Layer id: %i", lyr_a->id);
return 0;
}
static gint
load_resource_lsct (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load layer group & type information
* Type 0: not a group
* Type 1: Open folder
* Type 2: Closed folder
* Type 3: End of most recent group */
guint32 type;
IFDBG(2) g_debug ("Process layer resource block %.4s: Section divider", res_a->key);
if (fread (&type, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
type = GUINT32_FROM_BE (type);
IFDBG(3) g_debug ("Section divider type: %i", type);
lyr_a->group_type = type;
return 0;
}
|
