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gimp/plug-ins/file-psd/psd-layer-res-load.c

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/* 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 <https://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) *
PSD_LADJ_VIBRANCE "vibA" - * Adjustment layer - vibrance (PS10) *
PSD_LADJ_COLOR_LOOKUP "clrL" - * Adjustment layer - color lookup (PS13) *
* 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) *
PSD_LPRP_VERSION "lyvr" Loaded * Layer version (PS7) *
* 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_SECTION2 "lsdk" Loaded * Nested section divider setting (CS5) (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) *
PSD_LOTH_CONTENT_GEN "CgEd" - * Content generator extra data (PS12) *
PSD_LOTH_TEXT_ENGINE "Txt2" - * Text engine data (PS10) *
PSD_LOTH_PATH_NAME "pths" - * Unicode path name (PS13) *
PSD_LOTH_ANIMATION_FX "anFX" - * Animation effects (PS13) *
PSD_LOTH_FILTER_MASK "FMsk" - * Filter mask (PS10) *
PSD_LOTH_VECTOR_STROKE "vscg" - * Vector stroke data (PS13) *
PSD_LOTH_ALIGN_RENDER "sn2P" - * Aligned rendering flag (?) *
PSD_LOTH_USER_MASK "LMsk" - * User mask (?) *
* 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) *
* New stuff temporarily until I can get them sorted out *
* Placed Layer *
PSD_LPL_PLACE_LAYER "plLd" - * Placed layer (?) *
PSD_LPL_PLACE_LAYER_NEW "SoLd" - * Placed layer (PS10) *
* Linked Layer *
PSD_LLL_LINKED_LAYER "lnkD" - * Linked layer (?) *
PSD_LLL_LINKED_LAYER_2 "lnk2" - * Linked layer 2nd key *
PSD_LLL_LINKED_LAYER_3 "lnk3" - * Linked layer 3rd key *
* Merged Transparency *
PSD_LMT_MERGE_TRANS "Mtrn" - * Merged transperency save flag (?) *
PSD_LMT_MERGE_TRANS_16 "Mt16" - * Merged transperency save flag 2 *
PSD_LMT_MERGE_TRANS_32 "Mt32" - * Merged transperency save flag 3 *
* Filter Effects *
PSD_LFFX_FILTER_FX "FXid" - * Filter effects (?) *
PSD_LFFX_FILTER_FX_2 "FEid" - * Filter effects 2 *
*/
#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_lclr (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);
static gint load_resource_lrfx (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_lyvr (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error);
static gint load_resource_lnsr (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_LPRP_COLOR, 4) == 0)
load_resource_lclr (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LOTH_SECTION, 4) == 0
|| memcmp (res_a->key, PSD_LOTH_SECTION2, 4) == 0) /* bug #789981 */
load_resource_lsct (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LFX_FX, 4) == 0)
load_resource_lrfx (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LPRP_VERSION, 4) == 0)
load_resource_lyvr (res_a, lyr_a, f, error);
else if (memcmp (res_a->key, PSD_LPRP_SOURCE, 4) == 0)
load_resource_lnsr (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;
gint32 read_len;
gint32 write_len;
guint64 t_xx;
guint64 t_xy;
guint64 t_yx;
guint64 t_yy;
guint64 t_tx;
guint64 t_ty;
gchar *classID;
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);
lyr_a->text.xx = t_xx >> 11;
lyr_a->text.xy = t_xy >> 11;
lyr_a->text.yx = t_yx >> 11;
lyr_a->text.yy = t_yy >> 11;
lyr_a->text.tx = t_tx >> 11;
lyr_a->text.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",
lyr_a->text.xx, lyr_a->text.xy, lyr_a->text.yx,
lyr_a->text.yy, lyr_a->text.tx, lyr_a->text.ty);
classID = fread_unicode_string (&read_len, &write_len, 4, f, error);
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_lclr (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
/* Load layer sheet color code */
IFDBG(2) g_debug ("Process layer resource block %.4s: Sheet color",
res_a->key);
if (fread (lyr_a->color_tag, 8, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
/* Photoshop only uses color_tag[0] to store a color code */
lyr_a->color_tag[0] = GUINT16_FROM_BE(lyr_a->color_tag[0]);
IFDBG(3) g_debug ("Layer sheet color: %i", lyr_a->color_tag[0]);
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;
if (res_a->data_len >= 12)
{
gchar signature[4];
gchar blend_mode[4];
if (fread (signature, 4, 1, f) < 1 ||
fread (blend_mode, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
if (memcmp (signature, "8BIM", 4) == 0)
{
memcpy (lyr_a->blend_mode, blend_mode, 4);
IFDBG(3) g_debug ("Section divider layer mode sig: %.4s, blend mode: %.4s",
signature, blend_mode);
}
else
{
IFDBG(1) g_debug ("Incorrect layer mode signature %.4s", signature);
}
}
return 0;
}
static gint
load_resource_lrfx (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
gint16 version;
gint16 count;
gchar signature[4];
gchar effectname[4];
gint i;
IFDBG(2) g_debug ("Process layer resource block %.4s: Layer effects", res_a->key);
if (fread (&version, 2, 1, f) < 1
|| fread (&count, 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
for (i = 0; i < count; i++)
{
if (fread (&signature, 4, 1, f) < 1
|| fread(&effectname, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
if (memcmp (signature, "8BIM", 4) != 0)
{
IFDBG(1) g_debug ("Unknown layer resource signature %.4s", signature);
}
else
{
if (memcmp (effectname, "cmnS", 4) == 0)
{
gint32 size;
gint32 ver;
gchar visible;
gint16 unused;
if (fread (&size, 4, 1, f) < 1
|| fread(&ver, 4, 1, f) < 1
|| fread(&visible, 1, 1, f) < 1
|| fread(&unused, 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
}
else if (memcmp (effectname, "dsdw", 4) == 0
|| memcmp (effectname, "isdw", 4) == 0)
{
gint32 size;
gint32 ver;
gint32 blur;
gint32 intensity;
gint32 angle;
gint32 distance;
gint16 color[5];
gint32 blendsig;
gint32 effect;
gchar effecton;
gchar anglefx;
gchar opacity;
gint16 natcolor[5];
if (fread (&size, 4, 1, f) < 1
|| fread(&ver, 4, 1, f) < 1
|| fread(&blur, 4, 1, f) < 1
|| fread(&intensity, 4, 1, f) < 1
|| fread(&angle, 4, 1, f) < 1
|| fread(&distance, 4, 1, f) < 1
|| fread(&color[0], 2, 1, f) < 1
|| fread(&color[1], 2, 1, f) < 1
|| fread(&color[2], 2, 1, f) < 1
|| fread(&color[3], 2, 1, f) < 1
|| fread(&color[4], 2, 1, f) < 1
|| fread(&blendsig, 4, 1, f) < 1
|| fread(&effect, 4, 1, f) < 1
|| fread(&effecton, 1, 1, f) < 1
|| fread(&anglefx, 1, 1, f) < 1
|| fread(&opacity, 1, 1, f) < 1
|| fread(&natcolor[0], 2, 1, f) < 1
|| fread(&natcolor[1], 2, 1, f) < 1
|| fread(&natcolor[2], 2, 1, f) < 1
|| fread(&natcolor[3], 2, 1, f) < 1
|| fread(&natcolor[4], 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
}
else if (memcmp (effectname, "oglw", 4) == 0)
{
gint32 size;
gint32 ver;
gint32 blur;
gint32 intensity;
gint16 color[5];
gint32 blendsig;
gint32 effect;
gchar effecton;
gchar opacity;
gint16 natcolor[5];
if (fread (&size, 4, 1, f) < 1
|| fread(&ver, 4, 1, f) < 1
|| fread(&blur, 4, 1, f) < 1
|| fread(&intensity, 4, 1, f) < 1
|| fread(&color[0], 2, 1, f) < 1
|| fread(&color[1], 2, 1, f) < 1
|| fread(&color[2], 2, 1, f) < 1
|| fread(&color[3], 2, 1, f) < 1
|| fread(&color[4], 2, 1, f) < 1
|| fread(&blendsig, 4, 1, f) < 1
|| fread(&effect, 4, 1, f) < 1
|| fread(&effecton, 1, 1, f) < 1
|| fread(&opacity, 1, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
if (size == 42)
{
if (fread(&natcolor[0], 2, 1, f) < 1
|| fread(&natcolor[1], 2, 1, f) < 1
|| fread(&natcolor[2], 2, 1, f) < 1
|| fread(&natcolor[3], 2, 1, f) < 1
|| fread(&natcolor[4], 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
}
}
else if (memcmp (effectname, "iglw", 4) == 0)
{
gint32 size;
gint32 ver;
gint32 blur;
gint32 intensity;
gint32 angle;
gint32 distance;
gint16 color[5];
gint32 blendsig;
gint32 effect;
gchar effecton;
gchar anglefx;
gchar opacity;
gchar invert;
gint16 natcolor[5];
if (fread (&size, 4, 1, f) < 1
|| fread(&ver, 4, 1, f) < 1
|| fread(&blur, 4, 1, f) < 1
|| fread(&intensity, 4, 1, f) < 1
|| fread(&angle, 4, 1, f) < 1
|| fread(&distance, 4, 1, f) < 1
|| fread(&color[0], 2, 1, f) < 1
|| fread(&color[1], 2, 1, f) < 1
|| fread(&color[2], 2, 1, f) < 1
|| fread(&color[3], 2, 1, f) < 1
|| fread(&color[4], 2, 1, f) < 1
|| fread(&blendsig, 4, 1, f) < 1
|| fread(&effect, 4, 1, f) < 1
|| fread(&effecton, 1, 1, f) < 1
|| fread(&anglefx, 1, 1, f) < 1
|| fread(&opacity, 1, 1, f) < 1
|| fread(&natcolor[0], 2, 1, f) < 1
|| fread(&natcolor[1], 2, 1, f) < 1
|| fread(&natcolor[2], 2, 1, f) < 1
|| fread(&natcolor[3], 2, 1, f) < 1
|| fread(&natcolor[4], 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
if (size == 43)
{
if (fread (&invert, 1, 1, f) < 1
|| fread(&natcolor[0], 2, 1, f) < 1
|| fread(&natcolor[0], 2, 1, f) < 1
|| fread(&natcolor[1], 2, 1, f) < 1
|| fread(&natcolor[2], 2, 1, f) < 1
|| fread(&natcolor[3], 2, 1, f) < 1
|| fread(&natcolor[4], 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
}
}
else if (memcmp (effectname, "bevl", 4) == 0)
{
gint32 size;
gint32 ver;
gint32 angle;
gint32 strength;
gint32 blur;
gint32 highlightsig;
gint32 highlighteffect;
gint32 shadowsig;
gint32 shadoweffect;
gint16 highlightcolor[5];
gint16 shadowcolor[5];
gchar style;
gchar highlightopacity;
gchar shadowopacity;
gchar enabled;
gchar global;
gchar direction;
gint16 highlightnatcolor[5];
gint16 shadownatcolor[5];
if (fread (&size, 4, 1, f) < 1
|| fread(&ver, 4, 1, f) < 1
|| fread(&angle, 4, 1, f) < 1
|| fread(&strength, 4, 1, f) < 1
|| fread(&blur, 4, 1, f) < 1
|| fread(&highlightsig, 4, 1, f) < 1
|| fread(&highlighteffect, 4, 1, f) < 1
|| fread(&shadowsig, 4, 1, f) < 1
|| fread(&highlightcolor[0], 2, 1, f) < 1
|| fread(&shadoweffect, 4, 1, f) < 1
|| fread(&highlightcolor[1], 2, 1, f) < 1
|| fread(&highlightcolor[2], 2, 1, f) < 1
|| fread(&highlightcolor[3], 2, 1, f) < 1
|| fread(&highlightcolor[4], 2, 1, f) < 1
|| fread(&shadowcolor[0], 2, 1, f) < 1
|| fread(&shadowcolor[1], 2, 1, f) < 1
|| fread(&shadowcolor[2], 2, 1, f) < 1
|| fread(&shadowcolor[3], 2, 1, f) < 1
|| fread(&shadowcolor[4], 2, 1, f) < 1
|| fread(&style, 1, 1, f) < 1
|| fread(&highlightopacity, 1, 1, f) < 1
|| fread(&shadowopacity, 1, 1, f) < 1
|| fread(&enabled, 1, 1, f) < 1
|| fread(&global, 1, 1, f) < 1
|| fread(&direction, 1, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
if (size == 78)
{
if (fread(&highlightnatcolor[0], 2, 1, f) < 1
|| fread(&highlightnatcolor[0], 2, 1, f) < 1
|| fread(&highlightnatcolor[1], 2, 1, f) < 1
|| fread(&highlightnatcolor[2], 2, 1, f) < 1
|| fread(&highlightnatcolor[3], 2, 1, f) < 1
|| fread(&highlightnatcolor[4], 2, 1, f) < 1
|| fread(&shadownatcolor[0], 2, 1, f) < 1
|| fread(&shadownatcolor[0], 2, 1, f) < 1
|| fread(&shadownatcolor[1], 2, 1, f) < 1
|| fread(&shadownatcolor[2], 2, 1, f) < 1
|| fread(&shadownatcolor[3], 2, 1, f) < 1
|| fread(&shadownatcolor[4], 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
}
}
else if (memcmp (effectname, "sofi", 4) == 0)
{
gint32 size;
gint32 ver;
gint32 key;
gint16 color[5];
gchar opacity;
gchar enabled;
gint16 natcolor[5];
if (fread (&size, 4, 1, f) < 1
|| fread(&ver, 4, 1, f) < 1
|| fread(&key, 4, 1, f) < 1
|| fread(&color[0], 2, 1, f) < 1
|| fread(&color[1], 2, 1, f) < 1
|| fread(&color[2], 2, 1, f) < 1
|| fread(&color[3], 2, 1, f) < 1
|| fread(&color[4], 2, 1, f) < 1
|| fread(&opacity, 1, 1, f) < 1
|| fread(&enabled, 1, 1, f) < 1
|| fread(&natcolor[0], 2, 1, f) < 1
|| fread(&natcolor[1], 2, 1, f) < 1
|| fread(&natcolor[2], 2, 1, f) < 1
|| fread(&natcolor[3], 2, 1, f) < 1
|| fread(&natcolor[4], 2, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
}
else
{
IFDBG(1) g_debug ("Unknown layer effect signature %.4s", effectname);
}
}
}
return 0;
}
static gint
load_resource_lyvr (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
gint32 version;
IFDBG(2) g_debug ("Process layer resource block %.4s: layer version",
res_a->key);
if (fread (&version, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
version = GINT32_FROM_BE(version);
/* minimum value is 70 according to specs but there's no reason to
* stop the loading
*/
if (version < 70)
{
g_message ("Invalid version layer");
}
return 0;
}
static gint
load_resource_lnsr (const PSDlayerres *res_a,
PSDlayer *lyr_a,
FILE *f,
GError **error)
{
gchar layername[4];
IFDBG(2) g_debug ("Process layer resource block %.4s: layer source name",
res_a->key);
if (fread (&layername, 4, 1, f) < 1)
{
psd_set_error (feof (f), errno, error);
return -1;
}
/* nowadays psd files, layer name are encoded in unicode, cf "luni"
* moreover lnsr info is encoded in MacRoman, see
* https://bugzilla.gnome.org/show_bug.cgi?id=753986#c4
*/
return 0;
}
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