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gimp/plug-ins/common/file-csource.c

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/* CSource - GIMP Plugin to dump image data in RGB(A) format for C source
* Copyright (C) 1999 Tim Janik
*
* 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/>.
*
* This plugin is heavily based on the header plugin by Spencer Kimball and
* Peter Mattis.
*/
#include "config.h"
#include <string.h>
#include <errno.h>
#include <glib/gstdio.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define SAVE_PROC "file-csource-save"
#define PLUG_IN_BINARY "file-csource"
#define PLUG_IN_ROLE "gimp-file-csource"
typedef struct
{
gchar *prefixed_name;
gchar *comment;
gboolean use_comment;
gboolean glib_types;
gboolean alpha;
gboolean rgb565;
gboolean use_macros;
gboolean use_rle;
gdouble opacity;
} Config;
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gboolean save_image (GFile *file,
Config *config,
gint32 image_ID,
gint32 drawable_ID,
GError **error);
static gboolean run_save_dialog (Config *config);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static Config config =
{
"gimp_image", /* prefixed_name */
NULL, /* comment */
FALSE, /* use_comment */
TRUE, /* glib_types */
FALSE, /* alpha */
FALSE, /* rgb565 */
FALSE, /* use_macros */
FALSE, /* use_rle */
100.0, /* opacity */
};
MAIN ()
static void
query (void)
{
static const GimpParamDef save_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" },
{ GIMP_PDB_STRING, "filename", "The name of the file to save the image in" },
{ GIMP_PDB_STRING, "raw-filename", "The name of the file to save the image in" }
};
gimp_install_procedure (SAVE_PROC,
"Dump image data in RGB(A) format for C source",
"CSource cannot be run non-interactively.",
"Tim Janik",
"Tim Janik",
"1999",
N_("C source code"),
"RGB*",
GIMP_PLUGIN,
G_N_ELEMENTS (save_args), 0,
save_args, NULL);
gimp_register_file_handler_mime (SAVE_PROC, "text/x-csrc");
gimp_register_file_handler_uri (SAVE_PROC);
gimp_register_save_handler (SAVE_PROC, "c", "");
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[2];
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpExportReturn export = GIMP_EXPORT_CANCEL;
GError *error = NULL;
INIT_I18N ();
gegl_init (NULL, NULL);
run_mode = param[0].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
if (run_mode == GIMP_RUN_INTERACTIVE &&
strcmp (name, SAVE_PROC) == 0)
{
gint32 image_ID = param[1].data.d_int32;
gint32 drawable_ID = param[2].data.d_int32;
GimpParasite *parasite;
gchar *x;
gimp_get_data (SAVE_PROC, &config);
config.prefixed_name = "gimp_image";
config.comment = NULL;
config.alpha = gimp_drawable_has_alpha (drawable_ID);
parasite = gimp_image_get_parasite (image_ID, "gimp-comment");
if (parasite)
{
config.comment = g_strndup (gimp_parasite_data (parasite),
gimp_parasite_data_size (parasite));
gimp_parasite_free (parasite);
}
x = config.comment;
gimp_ui_init (PLUG_IN_BINARY, FALSE);
export = gimp_export_image (&image_ID, &drawable_ID, "C Source",
GIMP_EXPORT_CAN_HANDLE_RGB |
GIMP_EXPORT_CAN_HANDLE_ALPHA);
if (export == GIMP_EXPORT_CANCEL)
{
values[0].data.d_status = GIMP_PDB_CANCEL;
return;
}
if (run_save_dialog (&config))
{
if (x != config.comment &&
!(x && config.comment && strcmp (x, config.comment) == 0))
{
if (!config.comment || !config.comment[0])
{
gimp_image_detach_parasite (image_ID, "gimp-comment");
}
else
{
parasite = gimp_parasite_new ("gimp-comment",
GIMP_PARASITE_PERSISTENT,
strlen (config.comment) + 1,
config.comment);
gimp_image_attach_parasite (image_ID, parasite);
gimp_parasite_free (parasite);
}
}
if (! save_image (g_file_new_for_uri (param[3].data.d_string),
&config, image_ID, drawable_ID, &error))
{
status = GIMP_PDB_EXECUTION_ERROR;
if (error)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_STRING;
values[1].data.d_string = error->message;
}
}
else
{
gimp_set_data (SAVE_PROC, &config, sizeof (config));
}
}
else
{
status = GIMP_PDB_CANCEL;
}
if (export == GIMP_EXPORT_EXPORT)
gimp_image_delete (image_ID);
}
else
{
status = GIMP_PDB_CALLING_ERROR;
}
values[0].data.d_status = status;
}
static gboolean
diff2_rgb565 (guint8 *ip)
{
return ip[0] != ip[2] || ip[1] != ip[3];
}
static gboolean
diff2_rgb (guint8 *ip)
{
return ip[0] != ip[3] || ip[1] != ip[4] || ip[2] != ip[5];
}
static gboolean
diff2_rgba (guint8 *ip)
{
return ip[0] != ip[4] || ip[1] != ip[5] || ip[2] != ip[6] || ip[3] != ip[7];
}
static guint8 *
rl_encode_rgbx (guint8 *bp,
guint8 *ip,
guint8 *limit,
guint bpp)
{
gboolean (*diff2_pix) (guint8 *);
guint8 *ilimit = limit - bpp;
switch (bpp)
{
case 2: diff2_pix = diff2_rgb565; break;
case 3: diff2_pix = diff2_rgb; break;
case 4: diff2_pix = diff2_rgba; break;
default: g_assert_not_reached ();
}
while (ip < limit)
{
g_assert (ip < ilimit); /* paranoid */
if (diff2_pix (ip))
{
guint8 *s_ip = ip;
guint l = 1;
ip += bpp;
while (l < 127 && ip < ilimit && diff2_pix (ip))
{ ip += bpp; l += 1; }
if (ip == ilimit && l < 127)
{ ip += bpp; l += 1; }
*(bp++) = l;
memcpy (bp, s_ip, l * bpp);
bp += l * bpp;
}
else
{
guint l = 2;
ip += bpp;
while (l < 127 && ip < ilimit && !diff2_pix (ip))
{ ip += bpp; l += 1; }
*(bp++) = l | 128;
memcpy (bp, ip, bpp);
ip += bpp;
bp += bpp;
}
if (ip == ilimit)
{
*(bp++) = 1;
memcpy (bp, ip, bpp);
ip += bpp;
bp += bpp;
}
}
return bp;
}
static gboolean print (GOutputStream *stream,
GError **error,
const gchar *format,
...) G_GNUC_PRINTF (3, 4);
static gboolean
print (GOutputStream *stream,
GError **error,
const gchar *format,
...)
{
va_list args;
gboolean success;
va_start (args, format);
success = g_output_stream_vprintf (stream, NULL, NULL,
error, format, args);
va_end (args);
return success;
}
static inline gboolean
save_rle_decoder (GOutputStream *output,
const gchar *macro_name,
const gchar *s_uint,
const gchar *s_uint_8,
guint bpp,
GError **error)
{
return
print (output, error,
"#define %s_RUN_LENGTH_DECODE(image_buf, rle_data, size, bpp) do \\\n",
macro_name) &&
print (output, error,
"{ %s __bpp; %s *__ip; const %s *__il, *__rd; \\\n",
s_uint, s_uint_8, s_uint_8) &&
print (output, error,
" __bpp = (bpp); __ip = (image_buf); __il = __ip + (size) * __bpp; \\\n"
" __rd = (rle_data); if (__bpp > 3) { /* RGBA */ \\\n"
" while (__ip < __il) { %s __l = *(__rd++); \\\n",
s_uint) &&
print (output, error,
" if (__l & 128) { __l = __l - 128; \\\n"
" do { memcpy (__ip, __rd, 4); __ip += 4; } while (--__l); __rd += 4; \\\n"
" } else { __l *= 4; memcpy (__ip, __rd, __l); \\\n"
" __ip += __l; __rd += __l; } } \\\n"
" } else if (__bpp == 3) { /* RGB */ \\\n"
" while (__ip < __il) { %s __l = *(__rd++); \\\n",
s_uint) &&
print (output, error,
" if (__l & 128) { __l = __l - 128; \\\n"
" do { memcpy (__ip, __rd, 3); __ip += 3; } while (--__l); __rd += 3; \\\n"
" } else { __l *= 3; memcpy (__ip, __rd, __l); \\\n"
" __ip += __l; __rd += __l; } } \\\n"
" } else { /* RGB16 */ \\\n"
" while (__ip < __il) { %s __l = *(__rd++); \\\n",
s_uint) &&
print (output, error,
" if (__l & 128) { __l = __l - 128; \\\n"
" do { memcpy (__ip, __rd, 2); __ip += 2; } while (--__l); __rd += 2; \\\n"
" } else { __l *= 2; memcpy (__ip, __rd, __l); \\\n"
" __ip += __l; __rd += __l; } } \\\n"
" } } while (0)\n");
}
static inline gboolean
save_uchar (GOutputStream *output,
guint *c,
guint8 d,
Config *config,
GError **error)
{
static guint8 pad = 0;
if (*c > 74)
{
if (! config->use_macros)
{
if (! print (output, error, "\"\n \""))
return FALSE;
*c = 3;
}
else
{
if (! print (output, error, "\"\n \""))
return FALSE;
*c = 2;
}
}
if (d < 33 || (d >= 48 && d <= 57) || d > 126)
{
if (! print (output, error, "\\%03o", d))
return FALSE;
*c += 1 + 1 + (d > 7) + (d > 63);
pad = d < 64;
return TRUE;
}
if (d == '\\')
{
if (! print (output, error, "\\\\"))
return FALSE;
*c += 2;
}
else if (d == '"')
{
if (! print (output, error, "\\\""))
return FALSE;
*c += 2;
}
else if (pad && d >= '0' && d <= '9')
{
if (! print (output, error, "\"\"%c", d))
return FALSE;
*c += 3;
}
else
{
if (! print (output, error, "%c", d))
return FALSE;
*c += 1;
}
pad = 0;
return TRUE;
}
static gboolean
save_image (GFile *file,
Config *config,
gint32 image_ID,
gint32 drawable_ID,
GError **error)
{
GOutputStream *output;
GeglBuffer *buffer;
GimpImageType drawable_type = gimp_drawable_type (drawable_ID);
gchar *s_uint_8, *s_uint, *s_char, *s_null;
guint c;
gchar *macro_name;
guint8 *img_buffer, *img_buffer_end;
gchar *basename;
guint8 *data, *p;
gint width;
gint height;
gint x, y, pad, n_bytes, bpp;
gint drawable_bpp;
output = G_OUTPUT_STREAM (g_file_replace (file,
NULL, FALSE, G_FILE_CREATE_NONE,
NULL, error));
if (output)
{
GOutputStream *buffered;
buffered = g_buffered_output_stream_new (output);
g_object_unref (output);
output = buffered;
}
else
{
return FALSE;
}
buffer = gimp_drawable_get_buffer (drawable_ID);
width = gegl_buffer_get_width (buffer);
height = gegl_buffer_get_height (buffer);
drawable_bpp = gimp_drawable_bpp (drawable_ID);
bpp = config->rgb565 ? 2 : (config->alpha ? 4 : 3);
n_bytes = width * height * bpp;
pad = width * bpp;
if (config->use_rle)
pad = MAX (pad, 130 + n_bytes / 127);
data = g_new (guint8, pad + n_bytes);
p = data + pad;
for (y = 0; y < height; y++)
{
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, y, width, 1), 1.0,
NULL, data,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
if (bpp == 2)
{
for (x = 0; x < width; x++)
{
guint8 *d = data + x * drawable_bpp;
guint8 r, g, b;
gushort rgb16;
gdouble alpha = drawable_type == GIMP_RGBA_IMAGE ? d[3] : 0xff;
alpha *= config->opacity / 25500.0;
r = (0.5 + alpha * (gdouble) d[0]);
g = (0.5 + alpha * (gdouble) d[1]);
b = (0.5 + alpha * (gdouble) d[2]);
r >>= 3;
g >>= 2;
b >>= 3;
rgb16 = (r << 11) + (g << 5) + b;
*(p++) = (guchar) rgb16;
*(p++) = (guchar) (rgb16 >> 8);
}
}
else if (config->alpha)
{
for (x = 0; x < width; x++)
{
guint8 *d = data + x * drawable_bpp;
gdouble alpha = drawable_type == GIMP_RGBA_IMAGE ? d[3] : 0xff;
alpha *= config->opacity / 100.0;
*(p++) = d[0];
*(p++) = d[1];
*(p++) = d[2];
*(p++) = alpha + 0.5;
}
}
else
{
for (x = 0; x < width; x++)
{
guint8 *d = data + x * drawable_bpp;
gdouble alpha = drawable_type == GIMP_RGBA_IMAGE ? d[3] : 0xff;
alpha *= config->opacity / 25500.0;
*(p++) = 0.5 + alpha * (gdouble) d[0];
*(p++) = 0.5 + alpha * (gdouble) d[1];
*(p++) = 0.5 + alpha * (gdouble) d[2];
}
}
}
img_buffer = data + pad;
if (config->use_rle)
{
img_buffer_end = rl_encode_rgbx (data, img_buffer,
img_buffer + n_bytes, bpp);
img_buffer = data;
}
else
{
img_buffer_end = img_buffer + n_bytes;
}
if (!config->use_macros && config->glib_types)
{
s_uint_8 = "guint8 ";
s_uint = "guint ";
s_char = "gchar ";
s_null = "NULL";
}
else if (!config->use_macros)
{
s_uint_8 = "unsigned char";
s_uint = "unsigned int ";
s_char = "char ";
s_null = "(char*) 0";
}
else if (config->use_macros && config->glib_types)
{
s_uint_8 = "guint8";
s_uint = "guint";
s_char = "gchar";
s_null = "NULL";
}
else /* config->use_macros && !config->glib_types */
{
s_uint_8 = "unsigned char";
s_uint = "unsigned int";
s_char = "char";
s_null = "(char*) 0";
}
macro_name = g_ascii_strup (config->prefixed_name, -1);
basename = g_file_get_basename (file);
if (! print (output, error,
"/* GIMP %s C-Source image dump %s(%s) */\n\n",
config->alpha ? "RGBA" : "RGB",
config->use_rle ? "1-byte-run-length-encoded " : "",
basename))
goto fail;
g_free (basename);
if (config->use_rle && !config->use_macros)
{
if (! save_rle_decoder (output,
macro_name,
config->glib_types ? "guint" : "unsigned int",
config->glib_types ? "guint8" : "unsigned char",
bpp,
error))
goto fail;
}
if (!config->use_macros)
{
if (! print (output, error,
"static const struct {\n"
" %s\t width;\n"
" %s\t height;\n"
" %s\t bytes_per_pixel; /* 2:RGB16, 3:RGB, 4:RGBA */ \n",
s_uint, s_uint, s_uint))
goto fail;
if (config->use_comment)
{
if (! print (output, error, " %s\t*comment;\n", s_char))
goto fail;
}
if (! print (output, error,
" %s\t %spixel_data[",
s_uint_8,
config->use_rle ? "rle_" : ""))
goto fail;
if (config->use_rle)
{
if (! print (output, error,
"%u + 1];\n",
(guint) (img_buffer_end - img_buffer)))
goto fail;
}
else
{
if (! print (output, error,
"%u * %u * %u + 1];\n",
width,
height,
bpp))
goto fail;
}
if (! print (output, error, "} %s = {\n", config->prefixed_name))
goto fail;
if (! print (output, error,
" %u, %u, %u,\n",
width,
height,
bpp))
goto fail;
}
else /* use macros */
{
if (! print (output, error,
"#define %s_WIDTH (%u)\n"
"#define %s_HEIGHT (%u)\n"
"#define %s_BYTES_PER_PIXEL (%u) /* 2:RGB16, 3:RGB, 4:RGBA */\n",
macro_name, width,
macro_name, height,
macro_name, bpp))
{
goto fail;
}
}
if (config->use_comment && !config->comment)
{
if (! config->use_macros)
{
if (! print (output, error, " %s,\n", s_null))
goto fail;
}
else
{
if (! print (output, error,
"#define %s_COMMENT (%s)\n",
macro_name, s_null))
goto fail;
}
}
else if (config->use_comment)
{
gchar *p = config->comment - 1;
if (config->use_macros)
{
if (! print (output, error, "#define %s_COMMENT \\\n", macro_name))
goto fail;
}
if (! print (output, error, " \""))
goto fail;
while (*(++p))
{
gboolean success = FALSE;
if (*p == '\\')
success = print (output, error, "\\\\");
else if (*p == '"')
success = print (output, error, "\\\"");
else if (*p == '\n' && p[1])
success = print (output, error,
"\\n\"%s\n \"",
config->use_macros ? " \\" : "");
else if (*p == '\n')
success = print (output, error, "\\n");
else if (*p == '\r')
success = print (output, error, "\\r");
else if (*p == '\b')
success = print (output, error, "\\b");
else if (*p == '\f')
success = print (output, error, "\\f");
else if (( *p >= 32 && *p <= 47 ) || (*p >= 58 && *p <= 126))
success = print (output, error, "%c", *p);
else
success = print (output, error, "\\%03o", *p);
if (! success)
goto fail;
}
if (! config->use_macros)
{
if (! print (output, error, "\",\n"))
goto fail;
}
else
{
if (! print (output, error, "\"\n"))
goto fail;
}
}
if (config->use_macros)
{
if (! print (output, error,
"#define %s_%sPIXEL_DATA ((%s*) %s_%spixel_data)\n",
macro_name,
config->use_rle ? "RLE_" : "",
s_uint_8,
macro_name,
config->use_rle ? "rle_" : ""))
goto fail;
if (config->use_rle)
{
if (! save_rle_decoder (output,
macro_name,
s_uint,
s_uint_8,
bpp,
error))
goto fail;
}
if (! print (output, error,
"static const %s %s_%spixel_data[",
s_uint_8,
macro_name,
config->use_rle ? "rle_" : ""))
goto fail;
if (config->use_rle)
{
if (! print (output, error,
"%u] =\n",
(guint) (img_buffer_end - img_buffer)))
goto fail;
}
else
{
if (! print (output, error,
"%u * %u * %u + 1] =\n",
width,
height,
bpp))
goto fail;
}
if (! print (output, error, "(\""))
goto fail;
c = 2;
}
else
{
if (! print (output, error, " \""))
goto fail;
c = 3;
}
switch (drawable_type)
{
case GIMP_RGB_IMAGE:
case GIMP_RGBA_IMAGE:
do
{
if (! save_uchar (output, &c, *(img_buffer++), config, error))
goto fail;
}
while (img_buffer < img_buffer_end);
break;
default:
g_warning ("unhandled drawable type (%d)", drawable_type);
goto fail;
}
if (! config->use_macros)
{
if (! print (output, error, "\",\n};\n\n"))
goto fail;
}
else
{
if (! print (output, error, "\");\n\n"))
goto fail;
}
if (! g_output_stream_close (output, NULL, error))
goto fail;
g_object_unref (output);
g_object_unref (buffer);
return TRUE;
fail:
g_object_unref (output);
g_object_unref (buffer);
return FALSE;
}
static void
rgb565_toggle_button_update (GtkWidget *toggle,
gpointer data)
{
GtkWidget *widget;
gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle));
gimp_toggle_button_update (toggle, data);
widget = g_object_get_data (G_OBJECT (toggle), "set-insensitive-1");
if (widget)
gtk_widget_set_sensitive (widget, ! active);
}
static gboolean
run_save_dialog (Config *config)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *grid;
GtkWidget *prefixed_name;
GtkWidget *centry;
GtkWidget *toggle;
GtkWidget *alpha_toggle;
GtkAdjustment *adj;
gboolean run;
dialog = gimp_export_dialog_new (_("C-Source"), PLUG_IN_BINARY, SAVE_PROC);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
/* Prefixed Name
*/
prefixed_name = gtk_entry_new ();
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
_("_Prefixed name:"), 0.0, 0.5,
prefixed_name, 1);
gtk_entry_set_text (GTK_ENTRY (prefixed_name),
config->prefixed_name ? config->prefixed_name : "");
/* Comment Entry
*/
centry = gtk_entry_new ();
gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Co_mment:"), 0.0, 0.5,
centry, 1);
gtk_entry_set_text (GTK_ENTRY (centry),
config->comment ? config->comment : "");
/* Use Comment
*/
toggle = gtk_check_button_new_with_mnemonic (_("_Save comment to file"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
config->use_comment);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&config->use_comment);
/* GLib types
*/
toggle = gtk_check_button_new_with_mnemonic (_("_Use GLib types (guint8*)"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
config->glib_types);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&config->glib_types);
/* Use Macros
*/
toggle =
gtk_check_button_new_with_mnemonic (_("Us_e macros instead of struct"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
config->use_macros);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&config->use_macros);
/* Use RLE
*/
toggle =
gtk_check_button_new_with_mnemonic (_("Use _1 byte Run-Length-Encoding"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
config->use_rle);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&config->use_rle);
/* Alpha
*/
alpha_toggle = toggle =
gtk_check_button_new_with_mnemonic (_("Sa_ve alpha channel (RGBA/RGB)"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
config->alpha);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&config->alpha);
/* RGB-565
*/
toggle = gtk_check_button_new_with_mnemonic (_("Save as _RGB565 (16-bit)"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
/* Alpha setting is not used with RGB-565 */
g_object_set_data (G_OBJECT (toggle), "set-insensitive-1", alpha_toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (rgb565_toggle_button_update),
&config->rgb565);
gtk_widget_show (toggle);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
config->rgb565);
/* Max Alpha Value
*/
grid = gtk_grid_new ();
gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
adj = gimp_scale_entry_new (GTK_GRID (grid), 0, 0,
_("Op_acity:"), 100, 0,
config->opacity, 0, 100, 1, 10, 1,
TRUE, 0, 0,
NULL, NULL);
g_signal_connect (adj, "value-changed",
G_CALLBACK (gimp_double_adjustment_update),
&config->opacity);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
if (run)
{
config->prefixed_name =
g_strdup (gtk_entry_get_text (GTK_ENTRY (prefixed_name)));
config->comment = g_strdup (gtk_entry_get_text (GTK_ENTRY (centry)));
}
gtk_widget_destroy (dialog);
if (!config->prefixed_name || !config->prefixed_name[0])
config->prefixed_name = "tmp";
if (config->comment && !config->comment[0])
config->comment = NULL;
return run;
}
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