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Gimp/plug-ins/common/decompose.c
Martijn van Beers cd7f4e61a8 plugins: port decompose to GEGL 
Only RGB(A) decompositions are availables right now, others
decompositions need more thinking.
2013-06-09 23:22:52 +02:00

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Decompose plug-in (C) 1997 Peter Kirchgessner
* e-mail: peter@kirchgessner.net, WWW: http://www.kirchgessner.net
*
* 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/>.
*/
/*
* This filter decomposes RGB-images into several types of channels
*/
/* Lab colorspace support originally written by Alexey Dyachenko,
* merged into the officical plug-in by Sven Neumann.
*/
#include "config.h"
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-decompose"
#define PLUG_IN_PROC_REG "plug-in-decompose-registered"
#define PLUG_IN_BINARY "decompose"
#define PLUG_IN_ROLE "gimp-decompose"
/* Declare local functions
*/
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gint32 decompose (gint32 image_id,
gint32 drawable_ID,
const gchar *extract_type,
gint32 *image_ID_dst,
gint32 *num_layers,
gint32 *layer_ID_dst);
static gint32 create_new_image (const gchar *filename,
const gchar *layername,
guint width,
guint height,
GimpImageBaseType type,
GimpPrecision precision,
gdouble xres,
gdouble yres,
gint32 *layer_ID);
static gint32 create_new_layer (gint32 image_ID,
gint position,
const gchar *layername,
guint width,
guint height,
GimpImageBaseType type);
static void transfer_registration_color (GeglBuffer *src,
GeglBuffer **dst,
gint count);
static void copy_n_components (GeglBuffer *src,
GeglBuffer **dst,
const gchar *model,
guint n,
const gchar **components);
static void copy_one_component (GeglBuffer *src,
GeglBuffer *dst,
const char *model,
const char *component);
static gboolean decompose_dialog (void);
static gchar * generate_filename (guint32 image_ID,
guint colorspace,
guint channel);
/* Maximum number of images/layers generated by an extraction */
#define MAX_EXTRACT_IMAGES 4
/* Description of an extraction */
typedef struct
{
const gchar *type; /* What to extract */
const gchar *model ; /* the babl_model string to use */
gboolean dialog; /* Dialog-Flag. Set it to TRUE if you want to appear
* this extract function within the dialog */
gint num_images; /* Number of images to create */
/* the babl_component names of the channels */
const gchar *component[MAX_EXTRACT_IMAGES];
/* Names of channels to extract */
const gchar *channel_name[MAX_EXTRACT_IMAGES];
} EXTRACT;
/* FIXME: lots of missing conversions here */
static EXTRACT extract[] =
{
{ N_("RGB"), "RGB", TRUE, 3, {"R", "G", "B"}, { N_("red"),
N_("green"),
N_("blue") } },
{ N_("Red"), "RGB", FALSE, 1, { "R" }, { N_("red") } },
{ N_("Green"), "RGB", FALSE, 1, { "G" }, { N_("green") } },
{ N_("Blue"), "RGB", FALSE, 1, { "B" }, { N_("blue") } },
{ N_("Alpha"), "RGBA", TRUE , 1, { "A" }, { N_("alpha") } },
{ N_("RGBA"), "RGBA", TRUE, 4, { "R", "G", "B", "A" }, { N_("red"),
N_("green"),
N_("blue"),
N_("alpha") } },
{ N_("LAB"), "CIE Lab", FALSE, 3, {"CIE L", "CIE a", "CIE b"}, { N_("L"),
N_("A"),
N_("B") } },
{ N_("CMYK"), "CMYK", FALSE, 4, {"cyan", "magenta", "yellow", "key"}, { N_("cyan-k"),
N_("magenta-k"),
N_("yellow-k"),
N_("black") } },
{ N_("HSVA"), "HSVA", FALSE, 4, {"hue", "saturation", "value", "alpha"}, { N_("hue"),
N_("saturation"),
N_("value")} }
};
typedef struct
{
gchar extract_type[32];
gboolean as_layers;
gboolean use_registration;
} DecoVals;
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static DecoVals decovals =
{
"rgb", /* Decompose type */
TRUE, /* Decompose to Layers */
FALSE /* use registration color */
};
static GimpRunMode run_mode;
MAIN ()
static void
query (void)
{
static GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image (unused)" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" },
{ GIMP_PDB_STRING, "decompose-type", NULL },
{ GIMP_PDB_INT32, "layers-mode", "Create channels as layers in a single image" }
};
static const GimpParamDef return_vals[] =
{
{ GIMP_PDB_IMAGE, "new-image", "Output gray image" },
{ GIMP_PDB_IMAGE, "new-image", "Output gray image (N/A for single channel extract)" },
{ GIMP_PDB_IMAGE, "new-image", "Output gray image (N/A for single channel extract)" },
{ GIMP_PDB_IMAGE, "new-image", "Output gray image (N/A for single channel extract)" }
};
GString *type_desc;
int i;
type_desc = g_string_new ("What to decompose: ");
g_string_append_c (type_desc, '"');
g_string_append (type_desc, extract[0].type);
g_string_append_c (type_desc, '"');
for (i = 1; i < G_N_ELEMENTS (extract); i++)
{
g_string_append (type_desc, ", ");
g_string_append_c (type_desc, '"');
g_string_append (type_desc, extract[i].type);
g_string_append_c (type_desc, '"');
}
args[3].description = type_desc->str;
gimp_install_procedure (PLUG_IN_PROC,
N_("Decompose an image into separate colorspace components"),
"This function creates new gray images with "
"different channel information in each of them",
"Peter Kirchgessner",
"Peter Kirchgessner",
"1997",
N_("_Decompose..."),
"RGB*",
GIMP_PLUGIN,
G_N_ELEMENTS (args),
G_N_ELEMENTS (return_vals),
args, return_vals);
gimp_install_procedure (PLUG_IN_PROC_REG,
N_("Decompose an image into separate colorspace components"),
"This function creates new gray images with "
"different channel information in each of them. "
"Pixels in the foreground color will appear black "
"in all output images. This can be used for "
"things like crop marks that have to show up on "
"all channels.",
"Peter Kirchgessner",
"Peter Kirchgessner, Clarence Risher",
"1997",
N_("_Decompose..."),
"RGB*",
GIMP_PLUGIN,
G_N_ELEMENTS (args),
G_N_ELEMENTS (return_vals),
args, return_vals);
gimp_plugin_menu_register (PLUG_IN_PROC_REG, "<Image>/Colors/Components");
g_string_free (type_desc, TRUE);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[MAX_EXTRACT_IMAGES + 1];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
gint32 num_images;
gint32 image_ID_extract[MAX_EXTRACT_IMAGES];
gint32 layer_ID_extract[MAX_EXTRACT_IMAGES];
gint j;
gint32 layer;
gint32 num_layers;
gint32 image_ID;
INIT_I18N ();
gegl_init (NULL, NULL);
run_mode = param[0].data.d_int32;
image_ID = param[1].data.d_image;
layer = param[2].data.d_drawable;
*nreturn_vals = MAX_EXTRACT_IMAGES + 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
for (j = 0; j < MAX_EXTRACT_IMAGES; j++)
{
values[j+1].type = GIMP_PDB_IMAGE;
values[j+1].data.d_int32 = -1;
}
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data (PLUG_IN_PROC, &decovals);
/* First acquire information with a dialog */
if (! decompose_dialog ())
return;
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams != 4 && nparams != 5 && nparams != 6)
{
status = GIMP_PDB_CALLING_ERROR;
}
else
{
strncpy (decovals.extract_type, param[3].data.d_string,
sizeof (decovals.extract_type));
decovals.extract_type[sizeof (decovals.extract_type) - 1] = '\0';
decovals.as_layers = nparams > 4 ? param[4].data.d_int32 : FALSE;
decovals.use_registration = (strcmp (name, PLUG_IN_PROC_REG) == 0);
}
break;
case GIMP_RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data (PLUG_IN_PROC, &decovals);
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
gimp_progress_init (_("Decomposing"));
num_images = decompose (image_ID, layer,
decovals.extract_type,
image_ID_extract,
&num_layers,
layer_ID_extract);
if (num_images <= 0)
{
status = GIMP_PDB_EXECUTION_ERROR;
}
else
{
/* create decompose-data parasite */
GString *data = g_string_new ("");
g_string_printf (data, "source=%d type=%s ",
layer, decovals.extract_type);
for (j = 0; j < num_layers; j++)
g_string_append_printf (data, "%d ", layer_ID_extract[j]);
for (j = 0; j < num_images; j++)
{
GimpParasite *parasite;
values[j+1].data.d_int32 = image_ID_extract[j];
gimp_image_undo_enable (image_ID_extract[j]);
gimp_image_clean_all (image_ID_extract[j]);
parasite = gimp_parasite_new ("decompose-data",
0, data->len + 1, data->str);
gimp_image_attach_parasite (image_ID_extract[j], parasite);
gimp_parasite_free (parasite);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_display_new (image_ID_extract[j]);
}
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data (PLUG_IN_PROC, &decovals, sizeof (DecoVals));
}
gimp_progress_end ();
}
values[0].data.d_status = status;
}
/* Decompose an image. It returns the number of new (gray) images.
* The image IDs for the new images are returned in image_ID_dst.
* On failure, -1 is returned.
*/
static gint32
decompose (gint32 image_ID,
gint32 drawable_ID,
const gchar *extract_type,
gint32 *image_ID_dst,
gint32 *nlayers,
gint32 *layer_ID_dst)
{
const gchar *layername;
gint j, extract_idx;
gint height, width, num_layers;
GeglBuffer *src_buffer;
GeglBuffer *dst_buffer[MAX_EXTRACT_IMAGES];
GimpPrecision precision;
gboolean requirments = FALSE, decomp_has_alpha = FALSE;
extract_idx = -1; /* Search extract type */
for (j = 0; j < G_N_ELEMENTS (extract); j++)
{
if (g_ascii_strcasecmp (extract_type, extract[j].type) == 0)
{
extract_idx = j;
break;
}
}
if (extract_idx < 0)
return -1;
num_layers = extract[extract_idx].num_images;
/* Sanity checks */
src_buffer = gimp_drawable_get_buffer (drawable_ID);
precision = gimp_image_get_precision (image_ID);
for(j = 0; j < num_layers; j++)
{
decomp_has_alpha |= !g_strcmp0 ("alpha", extract[extract_idx].component[j]);
decomp_has_alpha |= !g_strcmp0 ("A", extract[extract_idx].component[j]);
}
requirments |= (gimp_drawable_is_rgb (drawable_ID));
requirments |= (gimp_drawable_is_indexed (drawable_ID));
requirments |= (gimp_drawable_is_gray (drawable_ID)
&& gimp_drawable_has_alpha (drawable_ID)
&& (num_layers <= 2)
&& decomp_has_alpha);
requirments &= (!decomp_has_alpha || gimp_drawable_has_alpha (drawable_ID));
if (!requirments)
{
g_message (_("Image not suitable for this decomposition"));
return -1;
}
width = gegl_buffer_get_width (src_buffer);
height = gegl_buffer_get_height (src_buffer);
/* Create all new gray images */
for (j = 0; j < num_layers; j++)
{
gchar *filename;
gdouble xres, yres;
filename = generate_filename (image_ID, extract_idx, j);
gimp_image_get_resolution (image_ID, &xres, &yres);
if (decovals.as_layers)
{
layername = gettext (extract[extract_idx].channel_name[j]);
if (j == 0)
image_ID_dst[j] = create_new_image (filename, layername,
width, height, GIMP_GRAY, precision,
xres, yres,
layer_ID_dst + j);
else
layer_ID_dst[j] = create_new_layer (image_ID_dst[0], j, layername,
width, height, GIMP_GRAY);
}
else
{
image_ID_dst[j] = create_new_image (filename, NULL,
width, height, GIMP_GRAY, precision,
xres, yres,
layer_ID_dst + j);
}
g_free (filename);
dst_buffer[j] = gimp_drawable_get_buffer (layer_ID_dst[j]);
}
copy_n_components (src_buffer, dst_buffer,
extract[extract_idx].model,
extract[extract_idx].num_images,
extract[extract_idx].component);
if (decovals.use_registration)
transfer_registration_color (src_buffer, dst_buffer, num_layers);
gimp_progress_update (1.0);
g_object_unref (src_buffer);
for (j = 0; j < num_layers; j++)
{
g_object_unref (dst_buffer[j]);
}
*nlayers = num_layers;
return (decovals.as_layers ? 1 : num_layers);
}
/* Create an image. Sets layer_ID, drawable and rgn. Returns image_ID */
static gint32
create_new_image (const gchar *filename,
const gchar *layername,
guint width,
guint height,
GimpImageBaseType type,
GimpPrecision precision,
gdouble xres,
gdouble yres,
gint32 *layer_ID)
{
gint32 image_ID;
image_ID = gimp_image_new_with_precision (width, height, type, precision);
gimp_image_undo_disable (image_ID);
gimp_image_set_filename (image_ID, filename);
gimp_image_set_resolution (image_ID, xres, yres);
*layer_ID = create_new_layer (image_ID, 0,
layername, width, height, type);
return image_ID;
}
static gint32
create_new_layer (gint32 image_ID,
gint position,
const gchar *layername,
guint width,
guint height,
GimpImageBaseType type)
{
gint32 layer_ID;
GimpImageType gdtype = GIMP_RGB_IMAGE;
switch (type)
{
case GIMP_RGB:
gdtype = GIMP_RGB_IMAGE;
break;
case GIMP_GRAY:
gdtype = GIMP_GRAY_IMAGE;
break;
case GIMP_INDEXED:
gdtype = GIMP_INDEXED_IMAGE;
break;
}
if (!layername)
layername = _("Background");
layer_ID = gimp_layer_new (image_ID, layername, width, height,
gdtype, 100, GIMP_NORMAL_MODE);
gimp_image_insert_layer (image_ID, layer_ID, -1, position);
return layer_ID;
}
/* Registration Color function */
static void
transfer_registration_color (GeglBuffer *src,
GeglBuffer **dst,
gint count)
{
GimpRGB color, test;
GeglBufferIterator *gi;
const Babl *src_format, *dst_format;
gint i, src_bpp, dst_bpp;
gdouble white;
gimp_context_get_foreground (&color);
white = 1.0;
src_format = gegl_buffer_get_format (src);
src_bpp = babl_format_get_bytes_per_pixel (src_format);
dst_format = gegl_buffer_get_format (dst[0]);
dst_bpp = babl_format_get_bytes_per_pixel (dst_format);
gi = gegl_buffer_iterator_new (src, NULL, 0, NULL,
GEGL_BUFFER_READ, GEGL_ABYSS_NONE);
for (i = 0; i < count; i++)
{
gegl_buffer_iterator_add (gi, dst[i], NULL, 0, NULL,
GEGL_BUFFER_READWRITE, GEGL_ABYSS_NONE);
}
while (gegl_buffer_iterator_next (gi))
{
guint j, k;
gpointer src_data, dst_data[MAX_EXTRACT_IMAGES];
src_data = gi->data[0];
for (j = 0; j < count; j++)
dst_data[j] = gi->data[j+1];
for (k = 0; k < gi->length; k++)
{
gulong pos;
pos = k * src_bpp;
gimp_rgba_set_pixel (&test, src_format, ((guchar *)src_data) + pos);
if (gimp_rgb_distance (&test, &color) < 1e-6)
{
for (j = 0; j < count; j++)
{
gpointer data;
data = dst_data[j];
babl_process (babl_fish (babl_format ("Y double"), dst_format),
&white, (guchar *)data + (k * dst_bpp), 1);
}
}
}
}
}
static void
copy_n_components (GeglBuffer *src,
GeglBuffer **dst,
const gchar *model,
guint n,
const gchar **components)
{
gint i;
for (i = 0; i < n; i++)
{
gimp_progress_update ((gdouble) i / (gdouble) n);
copy_one_component (src, dst[i], model, components[i]);
}
}
static void
copy_one_component (GeglBuffer *src,
GeglBuffer *dst,
const gchar *model,
const gchar *component)
{
const Babl *component_format, *dst_format;
GeglBuffer *temp;
const GeglRectangle *extent;
/* We are working in linear double precison*/
component_format = babl_format_new (babl_model (model),
babl_type ("double"),
babl_component (component),
NULL);
/* Alpha case, we need to enforce linearity here
* If the output is "Y'", the ouput of temp is already ok
* If the output is "Y" , it will enforce gamma-decoding...
* A bit tricky...
*/
if (!g_strcmp0 (component , "A"))
dst_format = babl_format ("Y' double");
else
dst_format = babl_format ("Y double");
extent = gegl_buffer_get_extent (src);
temp = gegl_buffer_new (extent, dst_format);
/* we want to copy the componnent as is */
gegl_buffer_set_format (temp, component_format);
gegl_buffer_copy (src, NULL, temp, NULL);
/* This is our new "Y(') double" componnent buffer */
gegl_buffer_set_format (temp, NULL);
/* Now we let babl convert it back to the format that dst needs */
gegl_buffer_copy (temp, NULL, dst, NULL);
g_object_unref (temp);
}
static gboolean
decompose_dialog (void)
{
GtkWidget *dialog;
GtkWidget *main_vbox;
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *combo;
GtkWidget *toggle;
gint j;
gint extract_idx;
gboolean run;
extract_idx = 0;
for (j = 0; j < G_N_ELEMENTS (extract); j++)
{
if (extract[j].dialog &&
g_ascii_strcasecmp (decovals.extract_type, extract[j].type) == 0)
{
extract_idx = j;
break;
}
}
gimp_ui_init (PLUG_IN_BINARY, FALSE);
dialog = gimp_dialog_new (_("Decompose"), PLUG_IN_ROLE,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
gimp_window_set_transient (GTK_WINDOW (dialog));
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
frame = gimp_frame_new (_("Extract Channels"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("Color _model:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
combo = g_object_new (GIMP_TYPE_INT_COMBO_BOX, NULL);
for (j = 0; j < G_N_ELEMENTS (extract); j++)
{
if (extract[j].dialog)
{
gchar *label = g_strdup (gettext (extract[j].type));
gchar *l;
for (l = label; *l; l++)
if (*l == '-' || *l == '_')
*l = ' ';
gimp_int_combo_box_append (GIMP_INT_COMBO_BOX (combo),
GIMP_INT_STORE_LABEL, label,
GIMP_INT_STORE_VALUE, j,
-1);
g_free (label);
}
}
gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
gtk_widget_show (combo);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
extract_idx,
G_CALLBACK (gimp_int_combo_box_get_active),
&extract_idx);
toggle = gtk_check_button_new_with_mnemonic (_("_Decompose to layers"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
decovals.as_layers);
gtk_box_pack_start (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&decovals.as_layers);
toggle =
gtk_check_button_new_with_mnemonic (_("_Foreground as registration color"));
gimp_help_set_help_data (toggle, _("Pixels in the foreground color will "
"appear black in all output images. "
"This can be used for things like crop "
"marks that have to show up on all "
"channels."), PLUG_IN_PROC);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
decovals.use_registration);
gtk_box_pack_start (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&decovals.use_registration);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
if (run)
strncpy (decovals.extract_type, extract[extract_idx].type, sizeof decovals.extract_type - 1);
return run;
}
/* Build a filename like <imagename>-<channel>.<extension> */
gchar *
generate_filename (guint32 image_ID, guint colorspace, guint channel)
{
/* Build a filename like <imagename>-<channel>.<extension> */
gchar *fname;
gchar *filename;
gchar *extension;
fname = gimp_image_get_filename (image_ID);
if (fname)
{
extension = fname + strlen (fname) - 1;
while (extension >= fname)
{
if (*extension == '.') break;
extension--;
}
if (extension >= fname)
{
*(extension++) = '\0';
if (decovals.as_layers)
filename = g_strdup_printf ("%s-%s.%s", fname,
gettext (extract[colorspace].type),
extension);
else
filename = g_strdup_printf ("%s-%s.%s", fname,
gettext (extract[colorspace].channel_name[channel]),
extension);
}
else
{
if (decovals.as_layers)
filename = g_strdup_printf ("%s-%s", fname,
gettext (extract[colorspace].type));
else
filename = g_strdup_printf ("%s-%s", fname,
gettext (extract[colorspace].channel_name[channel]));
}
}
else
{
filename = g_strdup (gettext (extract[colorspace].channel_name[channel]));
}
g_free (fname);
return filename;
}
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