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gimp/plug-ins/gfli/gfli.c

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/*
* GFLI 1.3
*
* A gimp plug-in to read and write FLI and FLC movies.
*
* Copyright (C) 1998 Jens Ch. Restemeier <jchrr@hrz.uni-bielefeld.de>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* This is a first loader for FLI and FLC movies. It uses as the same method as
* the gif plug-in to store the animation (i.e. 1 layer/frame).
*
* Current disadvantages:
* - Generates A LOT OF warnings.
* - Consumes a lot of memory (See wish-list: use the original data or
* compression).
* - doesn't support palette changes between two frames.
*
* Wish-List:
* - I'd like to have a different format for storing animations, so I can use
* Layers and Alpha-Channels for effects. An older version of
* this plug-in created one image per frame, and went real soon out of
* memory.
* - I'd like a method that requests unmodified frames from the original
* image, and stores modified without destroying the original file.
* - I'd like a way to store additional information about a image to it, for
* example copyright stuff or a timecode.
* - I've thought about a small utility to mix MIDI events as custom chunks
* between the FLI chunks. Anyone interested in implementing this ?
*/
/*
* History:
* 1.0 first release
* 1.1 first support for FLI saving (BRUN and LC chunks)
* 1.2 support for load/save ranges, fixed SGI & SUN problems (I hope...), fixed FLC
* 1.3 made saving actually work, alpha channel is silently ignored;
loading was broken too, fixed it --Sven
*/
#include <config.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "fli.h"
#include "libgimp/stdplugins-intl.h"
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
/* return the image-ID of the new image, or -1 in case of an error */
static gint32 load_image (const gchar *filename,
gint32 from_frame,
gint32 to_frame);
static gint load_dialog (const gchar *name);
/* return TRUE or FALSE */
static gint save_image (const gchar *filename,
gint32 image_id,
gint32 from_frame,
gint32 to_frame);
static gint save_dialog (gint32 image_id);
/* return TRUE or FALSE */
static gint get_info (const gchar *filename,
gint32 *width,
gint32 *height,
gint32 *frames);
/*
* GIMP interface
*/
GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
GimpParamDef load_args[] =
{
{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
{ GIMP_PDB_STRING, "raw_filename", "The name entered" },
{ GIMP_PDB_INT32, "from_frame", "Load beginning from this frame" },
{ GIMP_PDB_INT32, "to_frame", "End loading with this frame" },
};
GimpParamDef load_return_vals[] =
{
{ GIMP_PDB_IMAGE, "image", "Output image" },
};
GimpParamDef save_args[] =
{
{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable (unused)" },
{ GIMP_PDB_STRING, "filename", "The name of the file to save" },
{ GIMP_PDB_STRING, "raw_filename", "The name entered" },
{ GIMP_PDB_INT32, "from_frame", "Save beginning from this frame" },
{ GIMP_PDB_INT32, "to_frame", "End saving with this frame" },
};
GimpParamDef info_args[] =
{
{ GIMP_PDB_STRING, "filename", "The name of the file to get info" },
};
GimpParamDef info_return_vals[] =
{
{ GIMP_PDB_INT32, "width", "Width of one frame" },
{ GIMP_PDB_INT32, "height", "Height of one frame" },
{ GIMP_PDB_INT32, "frames", "Number of Frames" },
};
static gint32 from_frame;
static gint32 to_frame;
MAIN ()
static void
query (void)
{
/*
* Load/save procedures
*/
gimp_install_procedure ("file_fli_load",
"load FLI-movies",
"This is an experimantal plug-in to handle FLI movies",
"Jens Ch. Restemeier",
"Jens Ch. Restemeier",
"1997",
"<Load>/FLI",
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (load_args) - 2,
G_N_ELEMENTS (load_return_vals),
load_args,
load_return_vals);
gimp_register_magic_load_handler ("file_fli_load",
"fli",
"",
"");
gimp_install_procedure ("file_fli_save",
"save FLI-movies",
"This is an experimantal plug-in to handle FLI movies",
"Jens Ch. Restemeier",
"Jens Ch. Restemeier",
"1997",
"<Save>/FLI",
"INDEXED,GRAY",
GIMP_PLUGIN,
G_N_ELEMENTS (save_args), 0,
save_args, NULL);
gimp_register_save_handler ("file_fli_save",
"fli",
"");
/*
* Utility functions:
*/
gimp_install_procedure ("file_fli_info",
"Get info about a Fli movie",
"This is a experimantal plug-in to handle FLI movies",
"Jens Ch. Restemeier",
"Jens Ch. Restemeier",
"1997",
NULL,
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (info_args),
G_N_ELEMENTS (info_return_vals),
info_args,
info_return_vals);
}
GimpParam values[5];
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpRunMode run_mode;
gint32 pc;
gint32 image_ID;
gint32 drawable_ID;
gint32 orig_image_ID;
GimpExportReturn export = GIMP_EXPORT_CANCEL;
run_mode = param[0].data.d_int32;
INIT_I18N ();
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
if (strcmp (name, "file_fli_load") == 0)
{
switch (run_mode)
{
case GIMP_RUN_NONINTERACTIVE:
/*
* check for valid parameters:
* (Or can I trust GIMP ?)
*/
if ((nparams < G_N_ELEMENTS (load_args) - 2) ||
(G_N_ELEMENTS (load_args) < nparams))
{
status = GIMP_PDB_CALLING_ERROR;
break;
}
for (pc = 0; pc < G_N_ELEMENTS (load_args) - 2; pc++)
{
if (load_args[pc].type != param[pc].type)
{
status = GIMP_PDB_CALLING_ERROR;
break;
}
}
for (pc = G_N_ELEMENTS (load_args) - 2; pc < nparams; pc++)
{
if (load_args[pc].type != param[pc].type)
{
status = GIMP_PDB_CALLING_ERROR;
break;
}
}
to_frame = ((nparams < G_N_ELEMENTS (load_args) - 1) ?
1 : param[3].data.d_int32);
from_frame = ((nparams < G_N_ELEMENTS (load_args)) ?
-1 : param[4].data.d_int32);
image_ID = load_image (param[1].data.d_string,
from_frame, to_frame);
if (image_ID != -1)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
}
else
status = GIMP_PDB_EXECUTION_ERROR;
break;
case GIMP_RUN_INTERACTIVE:
if (load_dialog (param[1].data.d_string))
{
image_ID = load_image (param[1].data.d_string,
from_frame, to_frame);
if (image_ID != -1)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
}
else
status = GIMP_PDB_EXECUTION_ERROR;
}
else
status = GIMP_PDB_CANCEL;
break;
case GIMP_RUN_WITH_LAST_VALS:
status = GIMP_PDB_CALLING_ERROR;
break;
}
}
else if (strcmp (name, "file_fli_save") == 0)
{
image_ID = orig_image_ID = param[1].data.d_int32;
drawable_ID = param[2].data.d_int32;
switch (run_mode)
{
case GIMP_RUN_NONINTERACTIVE:
if (nparams != G_N_ELEMENTS (save_args))
{
status = GIMP_PDB_CALLING_ERROR;
break;
}
for (pc = 0; pc < G_N_ELEMENTS (save_args); pc++)
{
if (save_args[pc].type!=param[pc].type)
{
status = GIMP_PDB_CALLING_ERROR;
break;
}
}
if (! save_image (param[3].data.d_string, image_ID,
param[5].data.d_int32,
param[6].data.d_int32))
status = GIMP_PDB_EXECUTION_ERROR;
break;
case GIMP_RUN_INTERACTIVE:
case GIMP_RUN_WITH_LAST_VALS:
gimp_ui_init ("gfli", FALSE);
export = gimp_export_image (&image_ID, &drawable_ID, "FLI",
GIMP_EXPORT_CAN_HANDLE_INDEXED |
GIMP_EXPORT_CAN_HANDLE_GRAY |
GIMP_EXPORT_CAN_HANDLE_ALPHA |
GIMP_EXPORT_CAN_HANDLE_LAYERS);
if (export == GIMP_EXPORT_CANCEL)
{
values[0].data.d_status = GIMP_PDB_CANCEL;
return;
}
if (save_dialog (param[1].data.d_image))
{
if (! save_image (param[3].data.d_string, image_ID, from_frame, to_frame))
status = GIMP_PDB_EXECUTION_ERROR;
}
else
status = GIMP_PDB_CANCEL;
break;
}
if (export == GIMP_EXPORT_EXPORT)
gimp_image_delete (image_ID);
}
else if (strcmp (name, "file_fli_info") == 0)
{
gint32 width, height, frames;
/*
* check for valid parameters;
*/
if (nparams != G_N_ELEMENTS (info_args))
status = GIMP_PDB_CALLING_ERROR;
if (status == GIMP_PDB_SUCCESS)
{
for (pc = 0; pc < G_N_ELEMENTS (save_args); pc++)
{
if (info_args[pc].type != param[pc].type)
{
status = GIMP_PDB_CALLING_ERROR;
break;
}
}
}
if (status == GIMP_PDB_SUCCESS)
{
if (get_info (param[0].data.d_string, &width, &height, &frames))
{
*nreturn_vals = 4;
values[1].type = GIMP_PDB_INT32;
values[1].data.d_int32 = width;
values[2].type = GIMP_PDB_INT32;
values[2].data.d_int32 = height;
values[3].type = GIMP_PDB_INT32;
values[3].data.d_int32 = frames;
}
else
status = GIMP_PDB_EXECUTION_ERROR;
}
}
else
status = GIMP_PDB_CALLING_ERROR;
values[0].data.d_status = status;
}
/*
* Open FLI animation and return header-info
*/
gint
get_info (const gchar *filename,
gint32 *width,
gint32 *height,
gint32 *frames)
{
FILE *file;
s_fli_header fli_header;
*width = 0; *height = 0; *frames = 0;
file = fopen (filename ,"rb");
if (!file)
{
g_message (_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return FALSE;
}
fli_read_header (file, &fli_header);
fclose (file);
*width = fli_header.width;
*height = fli_header.height;
*frames = fli_header.frames;
return TRUE;
}
/*
* load fli animation and store as framestack
*/
gint32
load_image (const gchar *filename,
gint32 from_frame,
gint32 to_frame)
{
FILE *file;
gchar *name_buf;
GimpDrawable *drawable;
gint32 image_id, layer_ID;
guchar *fb, *ofb, *fb_x;
guchar cm[768], ocm[768];
GimpPixelRgn pixel_rgn;
s_fli_header fli_header;
gint cnt;
file = fopen (filename ,"rb");
if (!file)
{
g_message (_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return -1;
}
name_buf = g_strdup_printf (_("Opening '%s'..."),
gimp_filename_to_utf8 (filename));
gimp_progress_init (name_buf);
g_free (name_buf);
fli_read_header (file, &fli_header);
if (fli_header.magic == NO_HEADER)
return -1;
else
fseek (file, 128, SEEK_SET);
/*
* Fix parameters
*/
if ((from_frame==-1) && (to_frame==-1))
{
/* to make scripting easier: */
from_frame=1; to_frame=fli_header.frames;
}
if (to_frame<from_frame)
{
to_frame = fli_header.frames;
}
if (from_frame < 1)
{
from_frame = 1;
}
if (to_frame < 1)
{
/* nothing to do ... */
return -1;
}
if (from_frame >= fli_header.frames)
{
/* nothing to do ... */
return -1;
}
if (to_frame>fli_header.frames)
{
to_frame = fli_header.frames;
}
image_id = gimp_image_new (fli_header.width, fli_header.height, GIMP_INDEXED);
gimp_image_set_filename (image_id, filename);
fb = g_malloc (fli_header.width * fli_header.height);
ofb = g_malloc (fli_header.width * fli_header.height);
/*
* Skip to the beginning of requested frames:
*/
for (cnt = 1; cnt < from_frame; cnt++)
{
fli_read_frame (file, &fli_header, ofb, ocm, fb, cm);
memcpy (ocm, cm, 768);
fb_x = fb; fb = ofb; ofb = fb_x;
}
/*
* Load range
*/
for (cnt = from_frame; cnt <= to_frame; cnt++)
{
name_buf = g_strdup_printf (_("Frame (%i)"), cnt);
layer_ID = gimp_layer_new (image_id, name_buf,
fli_header.width, fli_header.height,
GIMP_INDEXED_IMAGE, 100, GIMP_NORMAL_MODE);
g_free (name_buf);
drawable = gimp_drawable_get (layer_ID);
fli_read_frame (file, &fli_header, ofb, ocm, fb, cm);
gimp_pixel_rgn_init (&pixel_rgn, drawable,
0, 0, fli_header.width, fli_header.height,
TRUE, FALSE);
gimp_pixel_rgn_set_rect (&pixel_rgn, fb,
0, 0, fli_header.width, fli_header.height);
gimp_drawable_flush (drawable);
gimp_drawable_detach (drawable);
if (cnt > 0)
gimp_layer_add_alpha (layer_ID);
gimp_image_add_layer (image_id, layer_ID, 0);
if (cnt < to_frame)
{
memcpy (ocm, cm, 768);
fb_x = fb; fb = ofb; ofb = fb_x;
}
gimp_progress_update ((double) cnt + 1 / (double)(to_frame - from_frame));
}
gimp_image_set_cmap (image_id, cm, 256);
fclose (file);
g_free (fb);
g_free (ofb);
return image_id;
}
#define MAXDIFF 195075 /* 3 * SQR (255) + 1 */
/*
* get framestack and store as fli animation
* (some code was taken from the GIF plugin.)
*/
gint
save_image (const gchar *filename,
gint32 image_id,
gint32 from_frame,
gint32 to_frame)
{
FILE *file;
gchar *name_buf;
GimpDrawable *drawable;
gint32 *framelist;
gint nframes;
gint colors, i;
guchar *cmap;
guchar bg;
guchar red, green, blue;
gint diff, sum, max;
gint offset_x, offset_y, xc, yc, xx, yy;
guint rows, cols, bytes;
guchar *src_row;
guchar *fb, *ofb;
guchar cm[768];
GimpPixelRgn pixel_rgn;
GimpRGB background;
s_fli_header fli_header;
gint cnt;
framelist = gimp_image_get_layers (image_id, &nframes);
if ((from_frame == -1) && (to_frame == -1))
{
/* to make scripting easier: */
from_frame = 0; to_frame = nframes;
}
if (to_frame < from_frame)
{
to_frame = nframes;
}
if (from_frame < 1)
{
from_frame = 1;
}
if (to_frame < 1)
{
/* nothing to do ... */
return FALSE;
}
if (from_frame > nframes)
{
/* nothing to do ... */
return FALSE;
}
if (to_frame > nframes)
{
to_frame = nframes;
}
gimp_palette_get_background (&background);
gimp_rgb_get_uchar (&background, &red, &green, &blue);
switch (gimp_image_base_type (image_id))
{
case GIMP_GRAY:
/* build grayscale palette */
for (i = 0; i < 256; i++)
{
cm[i*3+0] = cm[i*3+1] = cm[i*3+2] = i;
}
bg = GIMP_RGB_INTENSITY (red, green, blue) + 0.5;
break;
case GIMP_INDEXED:
max = MAXDIFF;
bg = 0;
cmap = gimp_image_get_cmap (image_id, &colors);
for (i = 0; i < MIN (colors, 256); i++)
{
cm[i*3+0] = cmap[i*3+0];
cm[i*3+1] = cmap[i*3+1];
cm[i*3+2] = cmap[i*3+2];
diff = red - cm[i*3+0];
sum = SQR (diff);
diff = green - cm[i*3+1];
sum += SQR (diff);
diff = blue - cm[i*3+2];
sum += SQR (diff);
if (sum < max)
{
bg = i;
max = sum;
}
}
for (i = colors; i < 256; i++)
{
cm[i*3+0] = cm[i*3+1] = cm[i*3+2] = i;
}
break;
default:
g_message (_("Sorry, I can save only INDEXED and GRAY images."));
return FALSE;
}
name_buf = g_strdup_printf (_("Saving '%s'..."),
gimp_filename_to_utf8 (filename));
gimp_progress_init (name_buf);
g_free (name_buf);
/*
* First build the fli header.
*/
fli_header.filesize = 0; /* will be fixed when writing the header */
fli_header.frames = 0; /* will be fixed during the write */
fli_header.width = gimp_image_width (image_id);
fli_header.height = gimp_image_height (image_id);
if ((fli_header.width == 320) && (fli_header.height == 200))
{
fli_header.magic = HEADER_FLI;
}
else
{
fli_header.magic = HEADER_FLC;
}
fli_header.depth = 8; /* I've never seen a depth != 8 */
fli_header.flags = 3;
fli_header.speed = 1000 / 25;
fli_header.created = 0; /* program ID. not neccessary... */
fli_header.updated = 0; /* date in MS-DOS format. ignore...*/
fli_header.aspect_x = 1; /* aspect ratio. Will be added as soon.. */
fli_header.aspect_y = 1; /* ... as GIMP supports it. */
fli_header.oframe1 = fli_header.oframe2 = 0; /* will be fixed during the write */
file = fopen (filename ,"wb");
if (!file)
{
g_message (_("Could not open '%s' for writing: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return FALSE;
}
fseek (file, 128, SEEK_SET);
fb = g_malloc (fli_header.width * fli_header.height);
ofb = g_malloc (fli_header.width * fli_header.height);
/* initialize with bg color */
memset (fb, bg, fli_header.width * fli_header.height);
/*
* Now write all frames
*/
for (cnt = from_frame; cnt <= to_frame; cnt++)
{
/* get layer data from GIMP */
drawable = gimp_drawable_get (framelist[nframes-cnt]);
gimp_drawable_offsets (framelist[nframes-cnt], &offset_x, &offset_y);
cols = drawable->width;
rows = drawable->height;
bytes = drawable->bpp;
gimp_pixel_rgn_init (&pixel_rgn, drawable,
0, 0, cols, rows,
FALSE, FALSE);
src_row = g_malloc (cols * bytes);
/* now paste it into the framebuffer, with the neccessary offset */
for (yc = 0, yy = offset_y; yc < rows; yc++, yy++)
{
if (yy >= 0 && yy < fli_header.height)
{
gimp_pixel_rgn_get_row (&pixel_rgn, src_row, 0, yc, cols);
for (xc = 0, xx = offset_x; xc < cols; xc++, xx++)
{
if (xx >= 0 && xx < fli_header.width)
fb[yy * fli_header.width + xx] = src_row[xc * bytes];
}
}
}
g_free (src_row);
/* save the frame */
if (cnt > from_frame)
{
/* save frame, allow all codecs */
fli_write_frame (file, &fli_header, ofb, cm, fb, cm, W_ALL);
}
else
{
/* save first frame, no delta information, allow all codecs */
fli_write_frame (file, &fli_header, NULL, NULL, fb, cm, W_ALL);
}
if (cnt < to_frame)
memcpy (ofb, fb, fli_header.width * fli_header.height);
gimp_progress_update ((double) cnt + 1 / (double)(to_frame - from_frame));
}
/*
* finish fli
*/
fli_write_header (file, &fli_header);
fclose (file);
g_free (fb);
g_free (ofb);
g_free (framelist);
return TRUE;
}
/*
* Dialogs for interactive usage
*/
gint
load_dialog (const gchar *name)
{
GtkWidget *dialog;
GtkWidget *table;
GtkWidget *spinbutton;
GtkObject *adj;
gint32 width, height, nframes;
gboolean run;
get_info (name, &width, &height, &nframes);
from_frame = 1;
to_frame = nframes;
gimp_ui_init ("gfli", FALSE);
dialog = gimp_dialog_new (_("GFLI 1.3 - Load framestack"), "gfli",
NULL, 0,
gimp_standard_help_func, "filters/gfli.html",
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
table = gtk_table_new (2, 2, FALSE);
gtk_container_set_border_width (GTK_CONTAINER (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), table,
FALSE, FALSE, 0);
gtk_widget_show (table);
/*
* Maybe I add on-the-fly RGB conversion, to keep palettechanges...
* But for now you can set a start- and a end-frame:
*/
spinbutton = gimp_spin_button_new (&adj,
from_frame, 1, nframes, 1, 10, 0, 1, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("From:"), 1.0, 0.5,
spinbutton, 1, TRUE);
g_signal_connect (adj, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
&from_frame);
spinbutton = gimp_spin_button_new (&adj,
to_frame, 1, nframes, 1, 10, 0, 1, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("To:"), 1.0, 0.5,
spinbutton, 1, TRUE);
g_signal_connect (adj, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
&to_frame);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
return run;
}
gint
save_dialog (gint32 image_id)
{
GtkWidget *dialog;
GtkWidget *table;
GtkWidget *spinbutton;
GtkObject *adj;
gint nframes;
gboolean run;
g_free (gimp_image_get_layers (image_id, &nframes));
from_frame = 1;
to_frame = nframes;
dialog = gimp_dialog_new (_("GFLI 1.3 - Save framestack"), "gfli",
NULL, 0,
gimp_standard_help_func, "filters/gfli.html",
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
table = gtk_table_new (2, 2, FALSE);
gtk_container_set_border_width (GTK_CONTAINER (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), table,
FALSE, FALSE, 0);
gtk_widget_show (table);
/*
* Maybe I add on-the-fly RGB conversion, to keep palettechanges...
* But for now you can set a start- and a end-frame:
*/
spinbutton = gimp_spin_button_new (&adj,
from_frame, 1, nframes, 1, 10, 0, 1, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("From:"), 1.0, 0.5,
spinbutton, 1, TRUE);
g_signal_connect (adj, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
&from_frame);
spinbutton = gimp_spin_button_new (&adj,
to_frame, 1, nframes, 1, 10, 0, 1, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("To:"), 1.0, 0.5,
spinbutton, 1, TRUE);
g_signal_connect (adj, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
&to_frame);
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
return run;
}
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