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gimp/plug-ins/common/lcms.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Color management plug-in based on littleCMS
* Copyright (C) 2006, 2007 Sven Neumann <sven@gimp.org>
*
* 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"
#include <string.h>
#include <glib.h> /* lcms.h uses the "inline" keyword */
#include <lcms.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_BINARY "lcms"
#define PLUG_IN_PROC_SET "plug-in-icc-profile-set"
#define PLUG_IN_PROC_SET_RGB "plug-in-icc-profile-set-rgb"
#define PLUG_IN_PROC_APPLY "plug-in-icc-profile-apply"
#define PLUG_IN_PROC_APPLY_RGB "plug-in-icc-profile-apply-rgb"
#define PLUG_IN_PROC_INFO "plug-in-icc-profile-info"
#define PLUG_IN_PROC_FILE_INFO "plug-in-icc-profile-file-info"
enum
{
STATUS,
PROFILE_NAME,
PROFILE_DESC,
PROFILE_INFO,
NUM_RETURN_VALS
};
enum
{
PROC_SET,
PROC_SET_RGB,
PROC_APPLY,
PROC_APPLY_RGB,
PROC_INFO,
PROC_FILE_INFO,
NONE
};
typedef struct
{
const gchar *name;
const gint min_params;
} Procedure;
typedef struct
{
GimpColorRenderingIntent intent;
gboolean bpc;
} LcmsValues;
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static GimpPDBStatusType lcms_icc_set (GimpColorConfig *config,
gint32 image,
const gchar *filename);
static GimpPDBStatusType lcms_icc_apply (GimpColorConfig *config,
GimpRunMode run_mode,
gint32 image,
const gchar *filename,
GimpColorRenderingIntent intent,
gboolean bpc,
gboolean *dont_ask);
static GimpPDBStatusType lcms_icc_info (GimpColorConfig *config,
gint32 image,
gchar **name,
gchar **desc,
gchar **info);
static GimpPDBStatusType lcms_icc_file_info (const gchar *filename,
gchar **name,
gchar **desc,
gchar **info);
static cmsHPROFILE lcms_image_get_profile (GimpColorConfig *config,
gint32 image,
guchar *checksum);
static gboolean lcms_image_set_profile (gint32 image,
cmsHPROFILE profile,
const gchar *filename,
gboolean undo_group);
static gboolean lcms_image_apply_profile (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
const gchar *filename,
GimpColorRenderingIntent intent,
gboolean bpc);
static void lcms_image_transform_rgb (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc);
static void lcms_image_transform_indexed (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc);
static void lcms_drawable_transform (GimpDrawable *drawable,
cmsHTRANSFORM transform,
gdouble progress_start,
gdouble progress_end);
static void lcms_sRGB_checksum (guchar *digest);
static cmsHPROFILE lcms_load_profile (const gchar *filename,
guchar *checksum);
static gboolean lcms_icc_apply_dialog (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
gboolean *dont_ask);
static GimpPDBStatusType lcms_dialog (GimpColorConfig *config,
gint32 image,
gboolean apply,
LcmsValues *values);
static const GimpParamDef set_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_STRING, "profile", "Filename of an ICC color profile" }
};
static const GimpParamDef set_rgb_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
};
static const GimpParamDef apply_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_STRING, "profile", "Filename of an ICC color profile" },
{ GIMP_PDB_INT32, "intent", "Rendering intent (enum GimpColorRenderingIntent)" },
{ GIMP_PDB_INT32, "bpc", "Black point compensation" }
};
static const GimpParamDef apply_rgb_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_INT32, "intent", "Rendering intent (enum GimpColorRenderingIntent)" },
{ GIMP_PDB_INT32, "bpc", "Black point compensation" }
};
static const GimpParamDef info_args[] =
{
{ GIMP_PDB_IMAGE, "image", "Input image" },
};
static const GimpParamDef file_info_args[] =
{
{ GIMP_PDB_STRING, "profile", "Filename of an ICC color profile" }
};
static const Procedure procedures[] =
{
{ PLUG_IN_PROC_SET, 2 },
{ PLUG_IN_PROC_SET_RGB, 2 },
{ PLUG_IN_PROC_APPLY, 2 },
{ PLUG_IN_PROC_APPLY_RGB, 2 },
{ PLUG_IN_PROC_INFO, 1 },
{ PLUG_IN_PROC_FILE_INFO, 1 }
};
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
MAIN ()
static void
query (void)
{
static const GimpParamDef info_return_vals[] =
{
{ GIMP_PDB_STRING, "profile-name", "Name" },
{ GIMP_PDB_STRING, "profile-desc", "Description" },
{ GIMP_PDB_STRING, "profile-info", "Info" }
};
gimp_install_procedure (PLUG_IN_PROC_SET,
N_("Set a color profile on the image"),
"This procedure sets an ICC color profile on an "
"image using the 'icc-profile' parasite. It does "
"not do any color conversion.",
"Sven Neumann",
"Sven Neumann",
"2006, 2007",
N_("_Assign Color Profile..."),
"RGB*, INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (set_args), 0,
set_args, NULL);
gimp_install_procedure (PLUG_IN_PROC_SET_RGB,
"Set the default RGB color profile on the image",
"This procedure sets the user-configured RGB "
"profile on an image using the 'icc-profile' "
"parasite. If no RGB profile is configured, sRGB "
"is assumed and the parasite is unset. This "
"procedure does not do any color conversion.",
"Sven Neumann",
"Sven Neumann",
"2006, 2007",
N_("Assign default RGB Profile"),
"RGB*, INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (set_rgb_args), 0,
set_rgb_args, NULL);
gimp_install_procedure (PLUG_IN_PROC_APPLY,
_("Apply a color profile on the image"),
"This procedure transform from the image's color "
"profile (or the default RGB profile if none is "
"set) to the given ICC color profile. Only RGB "
"color profiles are accepted. The profile "
"is then set on the image using the 'icc-profile' "
"parasite.",
"Sven Neumann",
"Sven Neumann",
"2006, 2007",
N_("_Convert to Color Profile..."),
"RGB*, INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (apply_args), 0,
apply_args, NULL);
gimp_install_procedure (PLUG_IN_PROC_APPLY_RGB,
"Apply default RGB color profile on the image",
"This procedure transform from the image's color "
"profile (or the default RGB profile if none is "
"set) to the configured default RGB color profile. "
"The profile is then set on the image using the "
"'icc-profile' parasite. If no RGB color profile "
"is configured, sRGB is assumed and the parasite "
"is unset.",
"Sven Neumann",
"Sven Neumann",
"2006, 2007",
N_("Convert to default RGB Profile"),
"RGB*, INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (apply_rgb_args), 0,
apply_rgb_args, NULL);
gimp_install_procedure (PLUG_IN_PROC_INFO,
"Retrieve information about an image's color profile",
"This procedure returns information about the RGB "
"color profile attached to an image. If no RGB "
"color profile is attached, sRGB is assumed.",
"Sven Neumann",
"Sven Neumann",
"2006, 2007",
N_("Image Color Profile Information"),
"*",
GIMP_PLUGIN,
G_N_ELEMENTS (info_args),
G_N_ELEMENTS (info_return_vals),
info_args, info_return_vals);
gimp_install_procedure (PLUG_IN_PROC_FILE_INFO,
"Retrieve information about a color profile",
"This procedure returns information about an ICC "
"color profile on disk.",
"Sven Neumann",
"Sven Neumann",
"2006, 2007",
N_("Color Profile Information"),
"*",
GIMP_PLUGIN,
G_N_ELEMENTS (file_info_args),
G_N_ELEMENTS (info_return_vals),
file_info_args, info_return_vals);
gimp_plugin_menu_register (PLUG_IN_PROC_SET,
"<Image>/Image/Mode/Color Profile");
gimp_plugin_menu_register (PLUG_IN_PROC_APPLY,
"<Image>/Image/Mode/Color Profile");
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
GimpPDBStatusType status = GIMP_PDB_CALLING_ERROR;
gint proc = NONE;
GimpRunMode run_mode = GIMP_RUN_NONINTERACTIVE;
gint32 image = -1;
const gchar *filename = NULL;
GimpColorConfig *config = NULL;
gboolean dont_ask = FALSE;
GimpColorRenderingIntent intent;
gboolean bpc;
static GimpParam values[6];
INIT_I18N ();
values[0].type = GIMP_PDB_STATUS;
*nreturn_vals = 1;
*return_vals = values;
for (proc = 0; proc < G_N_ELEMENTS (procedures); proc++)
{
if (strcmp (name, procedures[proc].name) == 0)
break;
}
if (proc == NONE)
goto done;
if (nparams < procedures[proc].min_params)
goto done;
if (proc != PROC_FILE_INFO)
config = gimp_get_color_configuration ();
if (config)
intent = config->display_intent;
else
intent = GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL;
bpc = (intent == GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC);
switch (proc)
{
case PROC_SET:
run_mode = param[0].data.d_int32;
image = param[1].data.d_image;
if (nparams > 2)
filename = param[2].data.d_string;
break;
case PROC_APPLY:
run_mode = param[0].data.d_int32;
image = param[1].data.d_image;
if (nparams > 2)
filename = param[2].data.d_string;
if (nparams > 3)
intent = param[3].data.d_int32;
if (nparams > 4)
bpc = param[4].data.d_int32 ? TRUE : FALSE;
break;
case PROC_SET_RGB:
run_mode = param[0].data.d_int32;
image = param[1].data.d_image;
break;
case PROC_APPLY_RGB:
run_mode = param[0].data.d_int32;
image = param[1].data.d_image;
if (nparams > 2)
intent = param[2].data.d_int32;
if (nparams > 3)
bpc = param[3].data.d_int32 ? TRUE : FALSE;
break;
case PROC_INFO:
image = param[0].data.d_image;
break;
case PROC_FILE_INFO:
filename = param[0].data.d_string;
break;
}
if (run_mode == GIMP_RUN_INTERACTIVE)
{
LcmsValues values = { intent, bpc };
switch (proc)
{
case PROC_SET:
status = lcms_dialog (config, image, FALSE, &values);
goto done;
case PROC_APPLY:
gimp_get_data (name, &values);
status = lcms_dialog (config, image, TRUE, &values);
if (status == GIMP_PDB_SUCCESS)
gimp_set_data (name, &values, sizeof (LcmsValues));
goto done;
default:
break;
}
}
cmsErrorAction (LCMS_ERROR_SHOW);
switch (proc)
{
case PROC_SET:
case PROC_SET_RGB:
status = lcms_icc_set (config, image, filename);
break;
case PROC_APPLY:
case PROC_APPLY_RGB:
status = lcms_icc_apply (config, run_mode,
image, filename, intent, bpc,
&dont_ask);
if (run_mode == GIMP_RUN_INTERACTIVE)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_INT32;
values[1].data.d_int32 = dont_ask;
}
break;
case PROC_INFO:
case PROC_FILE_INFO:
{
gchar *name = NULL;
gchar *desc = NULL;
gchar *info = NULL;
cmsErrorAction (LCMS_ERROR_IGNORE);
if (proc == PROC_INFO)
status = lcms_icc_info (config, image, &name, &desc, &info);
else
status = lcms_icc_file_info (filename, &name, &desc, &info);
if (status == GIMP_PDB_SUCCESS)
{
*nreturn_vals = NUM_RETURN_VALS;
values[PROFILE_NAME].type = GIMP_PDB_STRING;
values[PROFILE_NAME].data.d_string = name;
values[PROFILE_DESC].type = GIMP_PDB_STRING;
values[PROFILE_DESC].data.d_string = desc;
values[PROFILE_INFO].type = GIMP_PDB_STRING;
values[PROFILE_INFO].data.d_string = info;
}
}
break;
}
done:
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
if (config)
g_object_unref (config);
values[0].data.d_status = status;
}
static gchar *
lcms_icc_profile_get_name (cmsHPROFILE profile)
{
return gimp_any_to_utf8 (cmsTakeProductName (profile), -1, NULL);
}
static gchar *
lcms_icc_profile_get_desc (cmsHPROFILE profile)
{
return gimp_any_to_utf8 (cmsTakeProductDesc (profile), -1, NULL);
}
static gchar *
lcms_icc_profile_get_info (cmsHPROFILE profile)
{
return gimp_any_to_utf8 (cmsTakeProductInfo (profile), -1, NULL);
}
static gboolean
lcms_icc_profile_is_rgb (cmsHPROFILE profile)
{
return (cmsGetColorSpace (profile) == icSigRgbData);
}
static GimpPDBStatusType
lcms_icc_set (GimpColorConfig *config,
gint32 image,
const gchar *filename)
{
gboolean success;
g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), GIMP_PDB_CALLING_ERROR);
g_return_val_if_fail (image != -1, GIMP_PDB_CALLING_ERROR);
if (filename)
{
success = lcms_image_set_profile (image, NULL, filename, TRUE);
}
else
{
success = lcms_image_set_profile (image, NULL, config->rgb_profile, TRUE);
}
return success ? GIMP_PDB_SUCCESS : GIMP_PDB_EXECUTION_ERROR;
}
static GimpPDBStatusType
lcms_icc_apply (GimpColorConfig *config,
GimpRunMode run_mode,
gint32 image,
const gchar *filename,
GimpColorRenderingIntent intent,
gboolean bpc,
gboolean *dont_ask)
{
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
cmsHPROFILE src_profile = NULL;
cmsHPROFILE dest_profile = NULL;
guchar src_md5[16];
guchar dest_md5[16];
g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), GIMP_PDB_CALLING_ERROR);
g_return_val_if_fail (image != -1, GIMP_PDB_CALLING_ERROR);
if (! filename)
filename = config->rgb_profile;
if (filename)
{
dest_profile = lcms_load_profile (filename, dest_md5);
if (! dest_profile)
return GIMP_PDB_EXECUTION_ERROR;
if (! lcms_icc_profile_is_rgb (dest_profile))
{
g_message (_("Color profile '%s' is not for RGB color space."),
gimp_filename_to_utf8 (filename));
cmsCloseProfile (dest_profile);
return GIMP_PDB_EXECUTION_ERROR;
}
}
src_profile = lcms_image_get_profile (config, image, src_md5);
if (src_profile && ! lcms_icc_profile_is_rgb (src_profile))
{
g_printerr ("lcms: attached color profile is not for RGB color space "
"(skipping)\n");
cmsCloseProfile (src_profile);
src_profile = NULL;
}
if (! src_profile && ! dest_profile)
return GIMP_PDB_SUCCESS;
if (! src_profile)
{
src_profile = cmsCreate_sRGBProfile ();
lcms_sRGB_checksum (src_md5);
}
if (! dest_profile)
{
dest_profile = cmsCreate_sRGBProfile ();
lcms_sRGB_checksum (dest_md5);
}
if (memcmp (src_md5, dest_md5, 16) == 0)
{
gchar *src_desc = lcms_icc_profile_get_desc (src_profile);
gchar *dest_desc = lcms_icc_profile_get_desc (dest_profile);
cmsCloseProfile (src_profile);
cmsCloseProfile (dest_profile);
g_printerr ("lcms: skipping conversion because profiles seem to be equal:\n");
g_printerr (" %s\n", src_desc);
g_printerr (" %s\n", dest_desc);
g_free (src_desc);
g_free (dest_desc);
return GIMP_PDB_SUCCESS;
}
if (run_mode == GIMP_RUN_INTERACTIVE &&
! lcms_icc_apply_dialog (image, src_profile, dest_profile, dont_ask))
{
status = GIMP_PDB_CANCEL;
}
if (status == GIMP_PDB_SUCCESS &&
! lcms_image_apply_profile (image,
src_profile, dest_profile, filename,
intent, bpc))
{
status = GIMP_PDB_EXECUTION_ERROR;
}
cmsCloseProfile (src_profile);
cmsCloseProfile (dest_profile);
return status;
}
static GimpPDBStatusType
lcms_icc_info (GimpColorConfig *config,
gint32 image,
gchar **name,
gchar **desc,
gchar **info)
{
cmsHPROFILE profile;
g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), GIMP_PDB_CALLING_ERROR);
g_return_val_if_fail (image != -1, GIMP_PDB_CALLING_ERROR);
profile = lcms_image_get_profile (config, image, NULL);
if (profile && ! lcms_icc_profile_is_rgb (profile))
{
g_printerr ("lcms: attached color profile is not for RGB color space "
"(skipping)\n");
cmsCloseProfile (profile);
profile = NULL;
}
if (profile)
{
if (name) *name = lcms_icc_profile_get_name (profile);
if (desc) *desc = lcms_icc_profile_get_desc (profile);
if (info) *info = lcms_icc_profile_get_info (profile);
cmsCloseProfile (profile);
}
else
{
if (name) *name = g_strdup ("sRGB");
if (desc) *desc = g_strdup ("sRGB built-in");
if (info) *info = g_strdup (_("Default RGB working space"));
}
return GIMP_PDB_SUCCESS;
}
static GimpPDBStatusType
lcms_icc_file_info (const gchar *filename,
gchar **name,
gchar **desc,
gchar **info)
{
cmsHPROFILE profile;
if (! g_file_test (filename, G_FILE_TEST_IS_REGULAR))
return GIMP_PDB_EXECUTION_ERROR;
profile = cmsOpenProfileFromFile (filename, "r");
if (! profile)
return GIMP_PDB_EXECUTION_ERROR;
*name = lcms_icc_profile_get_name (profile);
*desc = lcms_icc_profile_get_desc (profile);
*info = lcms_icc_profile_get_info (profile);
cmsCloseProfile (profile);
return GIMP_PDB_SUCCESS;
}
static void
lcms_sRGB_checksum (guchar *digest)
{
digest[0] = 0xcb;
digest[1] = 0x63;
digest[2] = 0x14;
digest[3] = 0x56;
digest[4] = 0xd4;
digest[5] = 0x0a;
digest[6] = 0x01;
digest[7] = 0x62;
digest[8] = 0xa0;
digest[9] = 0xdb;
digest[10] = 0xe6;
digest[11] = 0x32;
digest[12] = 0x8b;
digest[13] = 0xea;
digest[14] = 0x1a;
digest[15] = 0x89;
}
static void
lcms_calculate_checksum (const gchar *data,
gsize len,
guchar *digest)
{
if (digest)
{
GChecksum *md5 = g_checksum_new (G_CHECKSUM_MD5);
g_checksum_update (md5,
(const guchar *) data + sizeof (icHeader),
len - sizeof (icHeader));
len = 16;
g_checksum_get_digest (md5, digest, &len);
g_checksum_free (md5);
}
}
static cmsHPROFILE
lcms_image_get_profile (GimpColorConfig *config,
gint32 image,
guchar *checksum)
{
GimpParasite *parasite;
cmsHPROFILE profile = NULL;
g_return_val_if_fail (image != -1, NULL);
parasite = gimp_image_parasite_find (image, "icc-profile");
if (parasite)
{
profile = cmsOpenProfileFromMem ((gpointer) gimp_parasite_data (parasite),
gimp_parasite_data_size (parasite));
if (profile)
{
lcms_calculate_checksum (gimp_parasite_data (parasite),
gimp_parasite_data_size (parasite),
checksum);
}
else
{
g_message (_("Data attached as 'icc-profile' does not appear to "
"be an ICC color profile"));
}
gimp_parasite_free (parasite);
}
else if (config->rgb_profile)
{
profile = lcms_load_profile (config->rgb_profile, checksum);
}
return profile;
}
static gboolean
lcms_image_set_profile (gint32 image,
cmsHPROFILE profile,
const gchar *filename,
gboolean undo_group)
{
g_return_val_if_fail (image != -1, FALSE);
if (filename)
{
GimpParasite *parasite;
GMappedFile *file;
GError *error = NULL;
file = g_mapped_file_new (filename, FALSE, &error);
if (! file)
{
g_message ("%s", error->message);
g_error_free (error);
return FALSE;
}
/* check that this file is actually an ICC profile */
if (! profile)
{
profile = cmsOpenProfileFromMem (g_mapped_file_get_contents (file),
g_mapped_file_get_length (file));
if (profile)
{
cmsCloseProfile (profile);
}
else
{
g_message (_("'%s' does not appear to be an ICC color profile"),
gimp_filename_to_utf8 (filename));
return FALSE;
}
}
if (undo_group)
gimp_image_undo_group_start (image);
parasite = gimp_parasite_new ("icc-profile",
GIMP_PARASITE_PERSISTENT |
GIMP_PARASITE_UNDOABLE,
g_mapped_file_get_length (file),
g_mapped_file_get_contents (file));
#if GLIB_CHECK_VERSION(2, 21, 3)
g_mapped_file_unref (file);
#else
g_mapped_file_free (file);
#endif
gimp_image_parasite_attach (image, parasite);
gimp_parasite_free (parasite);
}
else
{
if (undo_group)
gimp_image_undo_group_start (image);
gimp_image_parasite_detach (image, "icc-profile");
}
gimp_image_parasite_detach (image, "icc-profile-name");
if (undo_group)
gimp_image_undo_group_end (image);
return TRUE;
}
static gboolean
lcms_image_apply_profile (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
const gchar *filename,
GimpColorRenderingIntent intent,
gboolean bpc)
{
gint32 saved_selection = -1;
gimp_image_undo_group_start (image);
if (! lcms_image_set_profile (image, dest_profile, filename, FALSE))
{
gimp_image_undo_group_end (image);
return FALSE;
}
{
gchar *src = lcms_icc_profile_get_desc (src_profile);
gchar *dest = lcms_icc_profile_get_desc (dest_profile);
/* ICC color profile conversion */
gimp_progress_init_printf (_("Converting from '%s' to '%s'"), src, dest);
g_printerr ("lcms: converting from '%s' to '%s'\n", src, dest);
g_free (dest);
g_free (src);
}
if (! gimp_selection_is_empty (image))
{
saved_selection = gimp_selection_save (image);
gimp_selection_none (image);
}
switch (gimp_image_base_type (image))
{
case GIMP_RGB:
lcms_image_transform_rgb (image,
src_profile, dest_profile, intent, bpc);
break;
case GIMP_GRAY:
g_warning ("colorspace conversion not implemented for "
"grayscale images");
break;
case GIMP_INDEXED:
lcms_image_transform_indexed (image,
src_profile, dest_profile, intent, bpc);
break;
}
if (saved_selection != -1)
{
gimp_selection_load (saved_selection);
gimp_image_remove_channel (image, saved_selection);
}
gimp_progress_update (1.0);
gimp_image_undo_group_end (image);
return TRUE;
}
static void
lcms_image_transform_rgb (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc)
{
cmsHTRANSFORM transform = NULL;
DWORD last_format = 0;
gint *layers;
gint num_layers;
gint i;
layers = gimp_image_get_layers (image, &num_layers);
for (i = 0; i < num_layers; i++)
{
GimpDrawable *drawable = gimp_drawable_get (layers[i]);
DWORD format;
switch (drawable->bpp)
{
case 3:
format = TYPE_RGB_8;
break;
case 4:
format = TYPE_RGBA_8;
break;
default:
g_warning ("%s: unexpected bpp", G_STRLOC);
continue;
}
if (! transform || format != last_format)
{
if (transform)
cmsDeleteTransform (transform);
transform = cmsCreateTransform (src_profile, format,
dest_profile, format,
intent,
bpc ?
cmsFLAGS_BLACKPOINTCOMPENSATION : 0);
last_format = format;
}
if (transform)
{
lcms_drawable_transform (drawable, transform,
(gdouble) i / num_layers,
(gdouble) (i + 1) / num_layers);
}
else
{
g_warning ("cmsCreateTransform() failed!");
}
gimp_drawable_detach (drawable);
}
if (transform)
cmsDeleteTransform(transform);
g_free (layers);
}
static void
lcms_image_transform_indexed (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc)
{
cmsHTRANSFORM transform;
guchar *cmap;
gint num_colors;
cmap = gimp_image_get_colormap (image, &num_colors);
transform = cmsCreateTransform (src_profile, TYPE_RGB_8,
dest_profile, TYPE_RGB_8,
intent,
bpc ? cmsFLAGS_BLACKPOINTCOMPENSATION : 0);
if (transform)
{
cmsDoTransform (transform, cmap, cmap, num_colors);
cmsDeleteTransform(transform);
}
else
{
g_warning ("cmsCreateTransform() failed!");
}
gimp_image_set_colormap (image, cmap, num_colors);
}
static void
lcms_drawable_transform (GimpDrawable *drawable,
cmsHTRANSFORM transform,
gdouble progress_start,
gdouble progress_end)
{
GimpPixelRgn src_rgn;
GimpPixelRgn dest_rgn;
gpointer pr;
const gboolean alpha = gimp_drawable_has_alpha (drawable->drawable_id);
gdouble range = progress_end - progress_start;
guint count = 0;
guint done = 0;
gimp_pixel_rgn_init (&src_rgn, drawable,
0, 0, drawable->width, drawable->height, FALSE, FALSE);
gimp_pixel_rgn_init (&dest_rgn, drawable,
0, 0, drawable->width, drawable->height, TRUE, TRUE);
for (pr = gimp_pixel_rgns_register (2, &src_rgn, &dest_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
{
guchar *src = src_rgn.data;
guchar *dest = dest_rgn.data;
gint y;
for (y = 0; y < dest_rgn.h; y++)
{
cmsDoTransform (transform, src, dest, dest_rgn.w);
/* copy the alpha values, cmsDoTransform() leaves them untouched */
if (alpha)
{
const guchar *s = src;
guchar *d = dest;
gint w = dest_rgn.w;
while (w--)
{
d[3] = s[3];
s += 4;
d += 4;
}
}
src += src_rgn.rowstride;
dest += dest_rgn.rowstride;
}
done += dest_rgn.h * dest_rgn.w;
if (count++ % 32 == 0)
gimp_progress_update (progress_start +
(gdouble) done /
(drawable->width * drawable->height) * range);
}
gimp_progress_update (progress_end);
gimp_drawable_flush (drawable);
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
gimp_drawable_update (drawable->drawable_id,
0, 0, drawable->width, drawable->height);
}
static cmsHPROFILE
lcms_load_profile (const gchar *filename,
guchar *checksum)
{
cmsHPROFILE profile;
GMappedFile *file;
gchar *data;
gsize len;
GError *error = NULL;
g_return_val_if_fail (filename != NULL, NULL);
file = g_mapped_file_new (filename, FALSE, &error);
if (! file)
{
g_message ("%s", error->message);
g_error_free (error);
return NULL;
}
data = g_mapped_file_get_contents (file);
len = g_mapped_file_get_length (file);
profile = cmsOpenProfileFromMem (data, len);
if (profile)
{
lcms_calculate_checksum (data, len, checksum);
}
else
{
g_message (_("Could not load ICC profile from '%s'"),
gimp_filename_to_utf8 (filename));
}
#if GLIB_CHECK_VERSION(2, 21, 3)
g_mapped_file_unref (file);
#else
g_mapped_file_free (file);
#endif
return profile;
}
static GtkWidget *
lcms_icc_profile_src_label_new (gint32 image,
cmsHPROFILE profile)
{
GtkWidget *vbox;
GtkWidget *label;
gchar *name;
gchar *desc;
gchar *text;
vbox = gtk_vbox_new (FALSE, 6);
name = gimp_image_get_name (image);
text = g_strdup_printf (_("The image '%s' has an embedded color profile:"),
name);
g_free (name);
label = g_object_new (GTK_TYPE_LABEL,
"label", text,
"wrap", TRUE,
"justify", GTK_JUSTIFY_LEFT,
"xalign", 0.0,
"yalign", 0.0,
NULL);
g_free (text);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
desc = lcms_icc_profile_get_desc (profile);
label = g_object_new (GTK_TYPE_LABEL,
"label", desc,
"wrap", TRUE,
"justify", GTK_JUSTIFY_LEFT,
"xalign", 0.0,
"yalign", 0.0,
"xpad", 24,
NULL);
g_free (desc);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
return vbox;
}
static GtkWidget *
lcms_icc_profile_dest_label_new (cmsHPROFILE profile)
{
GtkWidget *label;
gchar *desc;
gchar *text;
desc = lcms_icc_profile_get_desc (profile);
text = g_strdup_printf (_("Convert the image to the RGB working space (%s)?"),
desc);
g_free (desc);
label = g_object_new (GTK_TYPE_LABEL,
"label", text,
"wrap", TRUE,
"justify", GTK_JUSTIFY_LEFT,
"xalign", 0.0,
"yalign", 0.0,
NULL);
g_free (text);
return label;
}
static gboolean
lcms_icc_apply_dialog (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
gboolean *dont_ask)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *button;
GtkWidget *toggle = NULL;
gboolean run;
gimp_ui_init (PLUG_IN_BINARY, FALSE);
dialog = gimp_dialog_new (_("Convert to RGB working space?"),
PLUG_IN_BINARY,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC_APPLY,
_("_Keep"), GTK_RESPONSE_CANCEL,
NULL);
button = gtk_dialog_add_button (GTK_DIALOG (dialog),
_("_Convert"), GTK_RESPONSE_OK);
gtk_button_set_image (GTK_BUTTON (button),
gtk_image_new_from_stock (GTK_STOCK_CONVERT,
GTK_ICON_SIZE_BUTTON));
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gimp_window_set_transient (GTK_WINDOW (dialog));
vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
label = lcms_icc_profile_src_label_new (image, src_profile);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
label = lcms_icc_profile_dest_label_new (dest_profile);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
if (dont_ask)
{
toggle = gtk_check_button_new_with_mnemonic (_("_Don't ask me again"));
gtk_box_pack_end (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), FALSE);
gtk_widget_show (toggle);
}
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
*dont_ask = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle));
gtk_widget_destroy (dialog);
return run;
}
static void
lcms_icc_combo_box_set_active (GimpColorProfileComboBox *combo,
const gchar *filename)
{
cmsHPROFILE profile = NULL;
gchar *label = NULL;
if (filename)
profile = lcms_load_profile (filename, NULL);
if (profile)
{
label = lcms_icc_profile_get_desc (profile);
if (! label)
label = lcms_icc_profile_get_name (profile);
cmsCloseProfile (profile);
}
gimp_color_profile_combo_box_set_active (combo, filename, label);
g_free (label);
}
static void
lcms_icc_file_chooser_dialog_response (GtkFileChooser *dialog,
gint response,
GimpColorProfileComboBox *combo)
{
if (response == GTK_RESPONSE_ACCEPT)
{
gchar *filename = gtk_file_chooser_get_filename (dialog);
if (filename)
{
lcms_icc_combo_box_set_active (combo, filename);
g_free (filename);
}
}
gtk_widget_hide (GTK_WIDGET (dialog));
}
static GtkWidget *
lcms_icc_file_chooser_dialog_new (void)
{
GtkWidget *dialog;
GtkFileFilter *filter;
dialog = gtk_file_chooser_dialog_new (_("Select destination profile"),
NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_ACCEPT,
GTK_RESPONSE_CANCEL,
-1);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
#ifndef G_OS_WIN32
{
const gchar folder[] = "/usr/share/color/icc";
if (g_file_test (folder, G_FILE_TEST_IS_DIR))
gtk_file_chooser_add_shortcut_folder (GTK_FILE_CHOOSER (dialog),
folder, NULL);
}
#endif
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("All files (*.*)"));
gtk_file_filter_add_pattern (filter, "*");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("ICC color profile (*.icc, *.icm)"));
gtk_file_filter_add_pattern (filter, "*.[Ii][Cc][Cc]");
gtk_file_filter_add_pattern (filter, "*.[Ii][Cc][Mm]");
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
return dialog;
}
static GtkWidget *
lcms_icc_combo_box_new (GimpColorConfig *config,
const gchar *filename)
{
GtkWidget *combo;
GtkWidget *dialog;
gchar *history;
gchar *label;
gchar *name;
cmsHPROFILE profile;
dialog = lcms_icc_file_chooser_dialog_new ();
history = gimp_personal_rc_file ("profilerc");
combo = gimp_color_profile_combo_box_new (dialog, history);
g_free (history);
g_signal_connect (dialog, "response",
G_CALLBACK (lcms_icc_file_chooser_dialog_response),
combo);
if (config->rgb_profile)
profile = lcms_load_profile (config->rgb_profile, NULL);
else
profile = cmsCreate_sRGBProfile ();
name = lcms_icc_profile_get_desc (profile);
if (! name)
name = lcms_icc_profile_get_name (profile);
cmsCloseProfile (profile);
label = g_strdup_printf (_("RGB workspace (%s)"), name);
g_free (name);
gimp_color_profile_combo_box_add (GIMP_COLOR_PROFILE_COMBO_BOX (combo),
config->rgb_profile, label);
g_free (label);
if (filename)
lcms_icc_combo_box_set_active (GIMP_COLOR_PROFILE_COMBO_BOX (combo),
filename);
else
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
return combo;
}
static GimpPDBStatusType
lcms_dialog (GimpColorConfig *config,
gint32 image,
gboolean apply,
LcmsValues *values)
{
GimpColorProfileComboBox *box;
GtkWidget *dialog;
GtkWidget *main_vbox;
GtkWidget *frame;
GtkWidget *label;
GtkWidget *combo;
cmsHPROFILE src_profile;
gchar *name;
gboolean success = FALSE;
gboolean run;
src_profile = lcms_image_get_profile (config, image, NULL);
if (src_profile && ! lcms_icc_profile_is_rgb (src_profile))
{
g_printerr ("lcms: attached color profile is not for RGB color space "
"(skipping)\n");
cmsCloseProfile (src_profile);
src_profile = NULL;
}
if (! src_profile)
src_profile = cmsCreate_sRGBProfile ();
gimp_ui_init (PLUG_IN_BINARY, FALSE);
dialog = gimp_dialog_new (apply ?
_("Convert to ICC Color Profile") :
_("Assign ICC Color Profile"),
PLUG_IN_BINARY,
NULL, 0,
gimp_standard_help_func,
apply ? PLUG_IN_PROC_APPLY : PLUG_IN_PROC_SET,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
apply ? GTK_STOCK_CONVERT : _("_Assign"),
GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gimp_window_set_transient (GTK_WINDOW (dialog));
main_vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
main_vbox);
gtk_widget_show (main_vbox);
frame = gimp_frame_new (_("Current Color Profile"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
name = lcms_icc_profile_get_desc (src_profile);
if (! name)
name = lcms_icc_profile_get_name (src_profile);
label = gtk_label_new (name);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (frame), label);
gtk_widget_show (label);
g_free (name);
frame = gimp_frame_new (apply ? _("Convert to") : _("Assign"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
combo = lcms_icc_combo_box_new (config, NULL);
gtk_container_add (GTK_CONTAINER (frame), combo);
gtk_widget_show (combo);
box = GIMP_COLOR_PROFILE_COMBO_BOX (combo);
if (apply)
{
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *toggle;
vbox = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("_Rendering Intent:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (GIMP_TYPE_COLOR_RENDERING_INTENT);
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
values->intent,
G_CALLBACK (gimp_int_combo_box_get_active),
&values->intent);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
toggle =
gtk_check_button_new_with_mnemonic (_("_Black Point Compensation"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), values->bpc);
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&values->bpc);
}
while ((run = gimp_dialog_run (GIMP_DIALOG (dialog))) == GTK_RESPONSE_OK)
{
gchar *filename = gimp_color_profile_combo_box_get_active (box);
cmsHPROFILE dest_profile;
gtk_widget_set_sensitive (dialog, FALSE);
if (filename)
{
dest_profile = lcms_load_profile (filename, NULL);
}
else
{
dest_profile = cmsCreate_sRGBProfile ();
}
if (dest_profile)
{
if (lcms_icc_profile_is_rgb (dest_profile))
{
if (apply)
success = lcms_image_apply_profile (image,
src_profile, dest_profile,
filename,
values->intent,
values->bpc);
else
success = lcms_image_set_profile (image,
dest_profile, filename, TRUE);
}
else
{
gimp_message (_("Destination profile is not for RGB color space."));
}
cmsCloseProfile (dest_profile);
}
if (success)
break;
else
gtk_widget_set_sensitive (dialog, TRUE);
}
gtk_widget_destroy (dialog);
cmsCloseProfile (src_profile);
return (run ?
(success ? GIMP_PDB_SUCCESS : GIMP_PDB_EXECUTION_ERROR) :
GIMP_PDB_CANCEL);
}
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