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gimp/plug-ins/common/tiff.c

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/* tiff loading and saving for the GIMP
* -Peter Mattis
* The TIFF loading code has been completely revamped by Nick Lamb
* njl195@zepler.org.uk -- 18 May 1998
*
* The code for this filter is based on "tifftopnm" and "pnmtotiff",
* 2 programs that are a part of the netpbm package.
*/
/*
** tifftopnm.c - converts a Tagged Image File to a portable anymap
**
** Derived by Jef Poskanzer from tif2ras.c, which is:
**
** Copyright (c) 1990 by Sun Microsystems, Inc.
**
** Author: Patrick J. Naughton
** naughton@wind.sun.com
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted,
** provided that the above copyright notice appear in all copies and that
** both that copyright notice and this permission notice appear in
** supporting documentation.
**
** This file is provided AS IS with no warranties of any kind. The author
** shall have no liability with respect to the infringement of copyrights,
** trade secrets or any patents by this file or any part thereof. In no
** event will the author be liable for any lost revenue or profits or
** other special, indirect and consequential damages.
*/
#include <stdlib.h>
#include <string.h>
#include <tiffio.h>
#include "gtk/gtk.h"
#include "libgimp/gimp.h"
typedef struct
{
gint compression;
gint fillorder;
} TiffSaveVals;
typedef struct
{
gint run;
} TiffSaveInterface;
/* Declare some local functions.
*/
static void query (void);
static void run (char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals);
static gint32 load_image (char *filename);
static gint save_image (char *filename,
gint32 image,
gint32 drawable);
static gint save_dialog ();
static void save_close_callback (GtkWidget *widget,
gpointer data);
static void save_ok_callback (GtkWidget *widget,
gpointer data);
static void save_toggle_update (GtkWidget *widget,
gpointer data);
GPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static TiffSaveVals tsvals =
{
COMPRESSION_LZW, /* compression */
FILLORDER_LSB2MSB, /* fillorder */
};
static TiffSaveInterface tsint =
{
FALSE /* run */
};
MAIN ()
static void
query ()
{
static GParamDef load_args[] =
{
{ PARAM_INT32, "run_mode", "Interactive, non-interactive" },
{ PARAM_STRING, "filename", "The name of the file to load" },
{ PARAM_STRING, "raw_filename", "The name of the file to load" },
};
static GParamDef load_return_vals[] =
{
{ PARAM_IMAGE, "image", "Output image" },
};
static int nload_args = sizeof (load_args) / sizeof (load_args[0]);
static int nload_return_vals = sizeof (load_return_vals) / sizeof (load_return_vals[0]);
static GParamDef save_args[] =
{
{ PARAM_INT32, "run_mode", "Interactive, non-interactive" },
{ PARAM_IMAGE, "image", "Input image" },
{ PARAM_DRAWABLE, "drawable", "Drawable to save" },
{ PARAM_STRING, "filename", "The name of the file to save the image in" },
{ PARAM_STRING, "raw_filename", "The name of the file to save the image in" },
{ PARAM_INT32, "compression", "Compression type: { NONE (0), LZW (1), PACKBITS (2)" },
{ PARAM_INT32, "fillorder", "Fill Order: { MSB to LSB (0), LSB to MSB (1)" }
};
static int nsave_args = sizeof (save_args) / sizeof (save_args[0]);
gimp_install_procedure ("file_tiff_load",
"loads files of the tiff file format",
"FIXME: write help for tiff_load",
"Spencer Kimball, Peter Mattis & Nick Lamb",
"Nick Lamb <njl195@zepler.org.uk>",
"1995-1996,1998",
"<Load>/Tiff",
NULL,
PROC_PLUG_IN,
nload_args, nload_return_vals,
load_args, load_return_vals);
gimp_install_procedure ("file_tiff_save",
"saves files in the tiff file format",
"FIXME: write help for tiff_save",
"Spencer Kimball & Peter Mattis",
"Spencer Kimball & Peter Mattis",
"1995-1996",
"<Save>/Tiff",
"RGB*, GRAY*, INDEXED",
PROC_PLUG_IN,
nsave_args, 0,
save_args, NULL);
gimp_register_magic_load_handler ("file_tiff_load", "tif,tiff", "",
"0,string,II*\\0,0,string,MM\\0*");
gimp_register_save_handler ("file_tiff_save", "tif,tiff", "");
}
static void
run (char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals)
{
static GParam values[2];
GRunModeType run_mode;
GStatusType status = STATUS_SUCCESS;
gint32 image;
run_mode = param[0].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = PARAM_STATUS;
values[0].data.d_status = STATUS_CALLING_ERROR;
if (strcmp (name, "file_tiff_load") == 0)
{
image = load_image (param[1].data.d_string);
if (image != -1)
{
*nreturn_vals = 2;
values[0].data.d_status = STATUS_SUCCESS;
values[1].type = PARAM_IMAGE;
values[1].data.d_image = image;
}
else
{
values[0].data.d_status = STATUS_EXECUTION_ERROR;
}
}
else if (strcmp (name, "file_tiff_save") == 0)
{
switch (run_mode)
{
case RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data ("file_tiff_save", &tsvals);
/* First acquire information with a dialog */
if (! save_dialog ())
return;
break;
case RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams != 7)
status = STATUS_CALLING_ERROR;
if (status == STATUS_SUCCESS)
{
switch (param[5].data.d_int32)
{
case 0: tsvals.compression = COMPRESSION_NONE; break;
case 1: tsvals.compression = COMPRESSION_LZW; break;
case 2: tsvals.compression = COMPRESSION_PACKBITS; break;
default: status = STATUS_CALLING_ERROR; break;
}
switch (param[6].data.d_int32)
{
case 0: tsvals.fillorder = FILLORDER_MSB2LSB; break;
case 1: tsvals.fillorder = FILLORDER_LSB2MSB; break;
default: status = STATUS_CALLING_ERROR; break;
}
}
case RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data ("file_tiff_save", &tsvals);
break;
default:
break;
}
*nreturn_vals = 1;
if (save_image (param[3].data.d_string, param[1].data.d_int32, param[2].data.d_int32))
{
/* Store mvals data */
gimp_set_data ("file_tiff_save", &tsvals, sizeof (TiffSaveVals));
values[0].data.d_status = STATUS_SUCCESS;
}
else
values[0].data.d_status = STATUS_EXECUTION_ERROR;
}
}
static gint32 load_image (char *filename) {
TIFF *tif;
unsigned short bps, spp, photomet;
int cols, rows, maxval, alpha;
int image, layer, tile_height;
unsigned short *redmap, *greenmap, *bluemap;
guchar cmap[768];
int image_type= 0, layer_type= 0;
unsigned short extra, *extra_types;
int col, row, start, i, j;
unsigned char sample;
int bitsleft;
int gray_val, red_val, green_val, blue_val, alpha_val;
guchar *source, *s, *dest, *d;
GDrawable *drawable;
GPixelRgn pixel_rgn;
char *name;
guchar colors[3]= {0, 0, 0};
typedef struct {
gint32 ID;
GDrawable *drawable;
GPixelRgn pixel_rgn;
guchar *pixels;
guchar *pixel;
} channel_data;
channel_data *channel= NULL;
tif = TIFFOpen (filename, "r");
if (!tif) {
g_message("TIFF Can't open \n%s", filename);
gimp_quit ();
}
name = g_malloc (strlen (filename) + 12);
sprintf (name, "Loading %s:", filename);
gimp_progress_init (name);
g_free (name);
if (!TIFFGetField (tif, TIFFTAG_BITSPERSAMPLE, &bps))
bps = 1;
if (bps > 8) {
g_message("TIFF Can't handle samples wider than 8-bit");
gimp_quit();
}
if (!TIFFGetField (tif, TIFFTAG_SAMPLESPERPIXEL, &spp))
spp = 1;
if (!TIFFGetField (tif, TIFFTAG_EXTRASAMPLES, &extra, &extra_types))
extra = 0;
if (!TIFFGetField (tif, TIFFTAG_IMAGEWIDTH, &cols)) {
g_message("TIFF Can't get image width");
gimp_quit ();
}
if (!TIFFGetField (tif, TIFFTAG_IMAGELENGTH, &rows)) {
g_message("TIFF Can't get image length");
gimp_quit ();
}
if (!TIFFGetField (tif, TIFFTAG_PHOTOMETRIC, &photomet)) {
g_message("TIFF Can't get photometric");
gimp_quit ();
}
/* test if the extrasample represents an associated alpha channel... */
if (extra > 0 && (extra_types[0] == EXTRASAMPLE_ASSOCALPHA)) {
alpha = 1;
} else {
alpha = 0;
}
if (photomet == PHOTOMETRIC_RGB && spp > extra + 3) {
extra= spp - 3;
alpha= 1;
} else if (photomet != PHOTOMETRIC_RGB && spp > extra + 1) {
extra= spp - 1;
alpha= 1;
}
maxval = (1 << bps) - 1;
switch (photomet) {
case PHOTOMETRIC_MINISBLACK:
case PHOTOMETRIC_MINISWHITE:
image_type = GRAY;
layer_type = (alpha) ? GRAYA_IMAGE : GRAY_IMAGE;
break;
case PHOTOMETRIC_RGB:
image_type = RGB;
layer_type = (alpha) ? RGBA_IMAGE : RGB_IMAGE;
break;
case PHOTOMETRIC_PALETTE:
image_type = INDEXED;
layer_type = (alpha) ? INDEXEDA_IMAGE : INDEXED_IMAGE;
break;
case PHOTOMETRIC_MASK:
g_message ("TIFF Can't handle PHOTOMETRIC_MASK");
gimp_quit ();
break;
default:
g_message ("TIFF Unknown photometric\n Number %d", photomet);
gimp_quit ();
}
if ((image = gimp_image_new (cols, rows, image_type)) == -1) {
g_message("TIFF Can't create a new image\n");
gimp_quit ();
}
gimp_image_set_filename (image, filename);
/* Install colormap for INDEXED images only */
if (image_type == INDEXED) {
if (!TIFFGetField (tif, TIFFTAG_COLORMAP, &redmap, &greenmap, &bluemap)) {
g_message("TIFF Can't get colormaps");
gimp_quit ();
}
for (i = 0, j = 0; i <= maxval; i++) {
cmap[j++] = redmap[i] >> 8;
cmap[j++] = greenmap[i] >> 8;
cmap[j++] = bluemap[i] >> 8;
}
gimp_image_set_cmap (image, cmap, maxval + 1);
}
layer = gimp_layer_new (image, "Background", cols, rows, layer_type,
100, NORMAL_MODE);
gimp_image_add_layer (image, layer, 0);
drawable = gimp_drawable_get (layer);
source= g_new (guchar, TIFFScanlineSize (tif));
tile_height = gimp_tile_height ();
dest = g_new (guchar, tile_height * cols * drawable->bpp);
gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0, cols, rows, TRUE, FALSE);
if (extra - alpha > 0)
channel = g_new (channel_data, extra - alpha);
/* Add alpha channels as appropriate */
for (i= 0; alpha + i < extra; ++i) {
channel[i].ID= gimp_channel_new(image, "TIFF Channel", cols, rows,
100.0, colors);
gimp_image_add_channel(image, channel[i].ID, 0);
channel[i].drawable= gimp_drawable_get (channel[i].ID);
channel[i].pixels= g_new(guchar, tile_height * cols);
gimp_pixel_rgn_init (&(channel[i].pixel_rgn), channel[i].drawable, 0, 0,
cols, rows, TRUE, FALSE);
}
/* Step through all <= 8-bit samples in an image */
#define NEXTSAMPLE(var) \
{ \
if (bitsleft == 0) \
{ \
s++; \
bitsleft = 8; \
} \
bitsleft -= bps; \
var = ( *s >> bitsleft ) & maxval; \
}
for (start= 0, row = 0; row < rows; ++row) {
d= dest + cols * (row % tile_height) * drawable->bpp;
/* Special cases: Scanline is compatible with GIMP storage */
if (extra == 0 && bps == 8) {
if (TIFFReadScanline (tif, d, row, 0) < 0) {
g_message("TIFF Bad data read on line %d", row);
gimp_quit ();
}
/* Or read in and process each sample -- slower */
} else {
if (TIFFReadScanline (tif, source, row, 0) < 0) {
g_message("TIFF Bad data read on line %d\n", row);
gimp_quit ();
}
for (i= 0; alpha + i < extra; ++i) {
channel[i].pixel= channel[i].pixels + cols * (row % tile_height);
}
/* Set s/bitleft ready to use NEXTSAMPLE macro */
s= source;
bitsleft= 8;
switch (photomet) {
case PHOTOMETRIC_MINISBLACK:
for (col = 0; col < cols; col++) {
NEXTSAMPLE(gray_val);
if (alpha) {
NEXTSAMPLE(alpha_val);
if (alpha_val)
*d++ = (gray_val * 65025) / (alpha_val * maxval);
else
*d++ = 0;
*d++ = alpha_val;
} else {
*d++ = (gray_val * 255) / maxval;
}
for (i= 0; alpha + i < extra; ++i) {
NEXTSAMPLE(sample);
*channel[i].pixel++ = sample;
}
}
break;
case PHOTOMETRIC_MINISWHITE:
for (col = 0; col < cols; col++) {
NEXTSAMPLE(gray_val);
if (alpha) {
NEXTSAMPLE(alpha_val);
if (alpha_val)
*d++ = ((maxval - gray_val) * 65025) / (alpha_val * maxval);
else
*d++ = 0;
*d++ = alpha_val;
} else {
*d++ = ((maxval - gray_val) * 255) / maxval;
}
for (i= 0; alpha + i < extra; ++i) {
NEXTSAMPLE(sample);
*channel[i].pixel++ = sample;
}
}
break;
case PHOTOMETRIC_PALETTE:
for (col = 0; col < cols; col++) {
NEXTSAMPLE(*d++);
if (alpha) {
NEXTSAMPLE(*d++);
}
for (i= 0; alpha + i < extra; ++i) {
NEXTSAMPLE(sample);
*channel[i].pixel++ = sample;
}
}
break;
case PHOTOMETRIC_RGB:
for (col = 0; col < cols; col++) {
NEXTSAMPLE(red_val)
NEXTSAMPLE(green_val)
NEXTSAMPLE(blue_val)
if (alpha) {
NEXTSAMPLE(alpha_val)
if (alpha_val) {
*d++ = (red_val * 255) / alpha_val;
*d++ = (green_val * 255) / alpha_val;
*d++ = (blue_val * 255) / alpha_val;
} else {
*d++ = 0;
*d++ = 0;
*d++ = 0;
}
*d++ = alpha_val;
} else {
*d++ = red_val;
*d++ = green_val;
*d++ = blue_val;
}
for (i= 0; alpha + i < extra; ++i) {
NEXTSAMPLE(sample);
*channel[i].pixel++ = sample;
}
}
break;
default:
/* This case was handled earlier */
g_assert_not_reached();
}
}
if (((row + 1) % tile_height) == 0 || row + 1 == rows) {
gimp_pixel_rgn_set_rect (&pixel_rgn, dest, 0, start, cols, 1+row-start);
for (i= 0; alpha + i < extra; ++i) {
gimp_pixel_rgn_set_rect(&(channel[i].pixel_rgn), channel[i].pixels,
0, start, cols, 1+row-start);
}
gimp_progress_update ((double) row / (double) rows);
start= row + 1;
}
}
gimp_drawable_flush (drawable);
gimp_drawable_detach (drawable);
return image;
}
/*
** pnmtotiff.c - converts a portable anymap to a Tagged Image File
**
** Derived by Jef Poskanzer from ras2tif.c, which is:
**
** Copyright (c) 1990 by Sun Microsystems, Inc.
**
** Author: Patrick J. Naughton
** naughton@wind.sun.com
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted,
** provided that the above copyright notice appear in all copies and that
** both that copyright notice and this permission notice appear in
** supporting documentation.
**
** This file is provided AS IS with no warranties of any kind. The author
** shall have no liability with respect to the infringement of copyrights,
** trade secrets or any patents by this file or any part thereof. In no
** event will the author be liable for any lost revenue or profits or
** other special, indirect and consequential damages.
*/
static gint save_image (char *filename, gint32 image, gint32 layer) {
TIFF *tif;
unsigned short red[256];
unsigned short grn[256];
unsigned short blu[256];
int cols, col, rows, row, i;
long g3options;
long rowsperstrip;
unsigned short compression;
unsigned short fillorder;
unsigned short extra_samples[1];
int alpha;
short predictor;
short photometric;
short samplesperpixel;
short bitspersample;
int bytesperrow;
guchar *t, *src, *data;
guchar *cmap;
int colors;
int success;
GDrawable *drawable;
GDrawableType drawable_type;
GPixelRgn pixel_rgn;
int tile_height;
int y, yend;
char *name;
compression = tsvals.compression;
fillorder = tsvals.fillorder;
g3options = 0;
predictor = 0;
rowsperstrip = 0;
tif = TIFFOpen (filename, "w");
if (!tif) {
g_print ("Can't write image to\n%s", filename);
return 0;
}
name = malloc (strlen (filename) + 11);
sprintf (name, "Saving %s:", filename);
gimp_progress_init (name);
free (name);
drawable = gimp_drawable_get (layer);
drawable_type = gimp_drawable_type (layer);
gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0, drawable->width, drawable->height, FALSE, FALSE);
cols = drawable->width;
rows = drawable->height;
switch (drawable_type)
{
case RGB_IMAGE:
samplesperpixel = 3;
bitspersample = 8;
photometric = PHOTOMETRIC_RGB;
bytesperrow = cols * 3;
alpha = 0;
break;
case GRAY_IMAGE:
samplesperpixel = 1;
bitspersample = 8;
photometric = PHOTOMETRIC_MINISBLACK;
bytesperrow = cols;
alpha = 0;
break;
case RGBA_IMAGE:
samplesperpixel = 4;
bitspersample = 8;
photometric = PHOTOMETRIC_RGB;
bytesperrow = cols * 4;
alpha = 1;
break;
case GRAYA_IMAGE:
samplesperpixel = 2;
bitspersample = 8;
photometric = PHOTOMETRIC_MINISBLACK;
bytesperrow = cols * 2;
alpha = 1;
break;
case INDEXED_IMAGE:
samplesperpixel = 1;
bitspersample = 8;
photometric = PHOTOMETRIC_PALETTE;
bytesperrow = cols;
alpha = 0;
cmap = gimp_image_get_cmap (image, &colors);
for (i = 0; i < colors; i++)
{
red[i] = *cmap++ * 65535 / 255;
grn[i] = *cmap++ * 65535 / 255;
blu[i] = *cmap++ * 65535 / 255;
}
break;
case INDEXEDA_IMAGE:
return 0;
}
if (rowsperstrip == 0)
rowsperstrip = (8 * 1024) / bytesperrow;
if (rowsperstrip == 0)
rowsperstrip = 1;
/* Set TIFF parameters. */
TIFFSetField (tif, TIFFTAG_IMAGEWIDTH, cols);
TIFFSetField (tif, TIFFTAG_IMAGELENGTH, rows);
TIFFSetField (tif, TIFFTAG_BITSPERSAMPLE, bitspersample);
TIFFSetField (tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField (tif, TIFFTAG_COMPRESSION, compression);
if ((compression == COMPRESSION_LZW) && (predictor != 0))
TIFFSetField (tif, TIFFTAG_PREDICTOR, predictor);
if (alpha)
{
extra_samples [0] = EXTRASAMPLE_ASSOCALPHA;
TIFFSetField (tif, TIFFTAG_EXTRASAMPLES, 1, extra_samples);
}
TIFFSetField (tif, TIFFTAG_PHOTOMETRIC, photometric);
TIFFSetField (tif, TIFFTAG_FILLORDER, fillorder);
TIFFSetField (tif, TIFFTAG_DOCUMENTNAME, filename);
TIFFSetField (tif, TIFFTAG_IMAGEDESCRIPTION, "Created with The GIMP");
TIFFSetField (tif, TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
TIFFSetField (tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
/* TIFFSetField( tif, TIFFTAG_STRIPBYTECOUNTS, rows / rowsperstrip ); */
TIFFSetField (tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
if (drawable_type == INDEXED_IMAGE)
TIFFSetField (tif, TIFFTAG_COLORMAP, red, grn, blu);
/* array to rearrange data */
tile_height = gimp_tile_height ();
src = g_new (guchar, bytesperrow * tile_height);
data = g_new (guchar, bytesperrow);
/* Now write the TIFF data. */
for (y = 0; y < rows; y = yend)
{
yend = y + tile_height;
yend = MIN (yend, rows);
gimp_pixel_rgn_get_rect (&pixel_rgn, src, 0, y, cols, yend - y);
for (row = y; row < yend; row++)
{
t = src + bytesperrow * (row - y);
switch (drawable_type)
{
case INDEXED_IMAGE:
success = (TIFFWriteScanline (tif, t, row, 0) >= 0);
break;
case GRAY_IMAGE:
success = (TIFFWriteScanline (tif, t, row, 0) >= 0);
break;
case GRAYA_IMAGE:
for (col = 0; col < cols*samplesperpixel; col+=samplesperpixel)
{
/* pre-multiply gray by alpha */
data[col + 0] = (t[col + 0] * t[col + 1]) / 255;
data[col + 1] = t[col + 1]; /* alpha channel */
}
success = (TIFFWriteScanline (tif, data, row, 0) >= 0);
break;
case RGB_IMAGE:
success = (TIFFWriteScanline (tif, t, row, 0) >= 0);
break;
case RGBA_IMAGE:
for (col = 0; col < cols*samplesperpixel; col+=samplesperpixel)
{
/* pre-multiply rgb by alpha */
data[col+0] = t[col + 0] * t[col + 3] / 255;
data[col+1] = t[col + 1] * t[col + 3] / 255;
data[col+2] = t[col + 2] * t[col + 3] / 255;
data[col+3] = t[col + 3]; /* alpha channel */
}
success = (TIFFWriteScanline (tif, data, row, 0) >= 0);
break;
default:
break;
}
if (!success) {
g_message("TIFF Failed a scanline write on row %d", row);
return 0;
}
}
gimp_progress_update ((double) row / (double) rows);
}
TIFFFlushData (tif);
TIFFClose (tif);
gimp_drawable_detach (drawable);
g_free (data);
return 1;
}
static gint
save_dialog ()
{
GtkWidget *dlg;
GtkWidget *button;
GtkWidget *toggle;
GtkWidget *frame;
GtkWidget *toggle_vbox;
GSList *group;
gchar **argv;
gint argc;
gint use_none = (tsvals.compression == COMPRESSION_NONE);
gint use_lzw = (tsvals.compression == COMPRESSION_LZW);
gint use_packbits = (tsvals.compression == COMPRESSION_PACKBITS);
gint use_lsb2msb = (tsvals.fillorder == FILLORDER_LSB2MSB);
gint use_msb2lsb = (tsvals.fillorder == FILLORDER_MSB2LSB);
argc = 1;
argv = g_new (gchar *, 1);
argv[0] = g_strdup ("save");
gtk_init (&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
dlg = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW (dlg), "Save as Tiff");
gtk_window_position (GTK_WINDOW (dlg), GTK_WIN_POS_MOUSE);
gtk_signal_connect (GTK_OBJECT (dlg), "destroy",
(GtkSignalFunc) save_close_callback,
NULL);
/* Action area */
button = gtk_button_new_with_label ("OK");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) save_ok_callback,
dlg);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button, TRUE, TRUE, 0);
gtk_widget_grab_default (button);
gtk_widget_show (button);
button = gtk_button_new_with_label ("Cancel");
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
(GtkSignalFunc) gtk_widget_destroy,
GTK_OBJECT (dlg));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->action_area), button, TRUE, TRUE, 0);
gtk_widget_show (button);
/* compression */
frame = gtk_frame_new ("Compression");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), frame, FALSE, TRUE, 0);
toggle_vbox = gtk_vbox_new (FALSE, 5);
gtk_container_border_width (GTK_CONTAINER (toggle_vbox), 5);
gtk_container_add (GTK_CONTAINER (frame), toggle_vbox);
group = NULL;
toggle = gtk_radio_button_new_with_label (group, "None");
group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (toggle_vbox), toggle, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) save_toggle_update,
&use_none);
gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), use_none);
gtk_widget_show (toggle);
toggle = gtk_radio_button_new_with_label (group, "LZW");
group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (toggle_vbox), toggle, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) save_toggle_update,
&use_lzw);
gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), use_lzw);
gtk_widget_show (toggle);
toggle = gtk_radio_button_new_with_label (group, "Pack Bits");
group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (toggle_vbox), toggle, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) save_toggle_update,
&use_packbits);
gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), use_packbits);
gtk_widget_show (toggle);
gtk_widget_show (toggle_vbox);
gtk_widget_show (frame);
/* fillorder */
frame = gtk_frame_new ("Fill Order");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_container_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), frame, FALSE, TRUE, 0);
toggle_vbox = gtk_vbox_new (FALSE, 5);
gtk_container_border_width (GTK_CONTAINER (toggle_vbox), 5);
gtk_container_add (GTK_CONTAINER (frame), toggle_vbox);
group = NULL;
toggle = gtk_radio_button_new_with_label (group, "LSB to MSB");
group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (toggle_vbox), toggle, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) save_toggle_update,
&use_lsb2msb);
gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), use_lsb2msb);
gtk_widget_show (toggle);
toggle = gtk_radio_button_new_with_label (group, "MSB to LSB");
group = gtk_radio_button_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (toggle_vbox), toggle, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (toggle), "toggled",
(GtkSignalFunc) save_toggle_update,
&use_msb2lsb);
gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (toggle), use_msb2lsb);
gtk_widget_show (toggle);
gtk_widget_show (toggle_vbox);
gtk_widget_show (frame);
gtk_widget_show (dlg);
gtk_main ();
gdk_flush ();
if (use_none)
tsvals.compression = COMPRESSION_NONE;
else if (use_lzw)
tsvals.compression = COMPRESSION_LZW;
else if (use_packbits)
tsvals.compression = COMPRESSION_PACKBITS;
if (use_lsb2msb)
tsvals.fillorder = FILLORDER_LSB2MSB;
else if (use_msb2lsb)
tsvals.fillorder = FILLORDER_MSB2LSB;
return tsint.run;
}
/* Save interface functions */
static void
save_close_callback (GtkWidget *widget,
gpointer data)
{
gtk_main_quit ();
}
static void
save_ok_callback (GtkWidget *widget,
gpointer data)
{
tsint.run = TRUE;
gtk_widget_destroy (GTK_WIDGET (data));
}
static void
save_toggle_update (GtkWidget *widget,
gpointer data)
{
int *toggle_val;
toggle_val = (int *) data;
if (GTK_TOGGLE_BUTTON (widget)->active)
*toggle_val = TRUE;
else
*toggle_val = FALSE;
}
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