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gimp/plug-ins/file-bmp/bmp-write.c

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/* bmpwrite.c Writes Bitmap files. Even RLE encoded ones. */
/* (Windows (TM) doesn't read all of those, but who */
/* cares? ;-) */
/* I changed a few things over the time, so perhaps */
/* it dos now, but now there's no Windows left on */
/* my computer... */
/* Alexander.Schulz@stud.uni-karlsruhe.de */
/*
* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <errno.h>
#include <string.h>
#include <glib/gstdio.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "bmp.h"
#include "libgimp/stdplugins-intl.h"
typedef enum
{
RGB_565,
RGBA_5551,
RGB_555,
RGB_888,
RGBA_8888,
RGBX_8888
} RGBMode;
static struct
{
RGBMode rgb_format;
gint encoded;
} BMPSaveData;
static gint cur_progress = 0;
static gint max_progress = 0;
static void write_image (FILE *f,
guchar *src,
gint width,
gint height,
gint encoded,
gint channels,
gint bpp,
gint spzeile,
gint MapSize,
RGBMode rgb_format);
static gboolean save_dialog (gint channels);
static void
FromL (gint32 wert,
guchar *bopuffer)
{
bopuffer[0] = (wert & 0x000000ff)>>0x00;
bopuffer[1] = (wert & 0x0000ff00)>>0x08;
bopuffer[2] = (wert & 0x00ff0000)>>0x10;
bopuffer[3] = (wert & 0xff000000)>>0x18;
}
static void
FromS (gint16 wert,
guchar *bopuffer)
{
bopuffer[0] = (wert & 0x00ff)>>0x00;
bopuffer[1] = (wert & 0xff00)>>0x08;
}
static void
write_color_map (FILE *f,
gint red[MAXCOLORS],
gint green[MAXCOLORS],
gint blue[MAXCOLORS],
gint size)
{
gchar trgb[4];
gint i;
size /= 4;
trgb[3] = 0;
for (i = 0; i < size; i++)
{
trgb[0] = (guchar) blue[i];
trgb[1] = (guchar) green[i];
trgb[2] = (guchar) red[i];
Write (f, trgb, 4);
}
}
static gboolean
warning_dialog (const gchar *primary,
const gchar *secondary)
{
GtkWidget *dialog;
gboolean ok;
dialog = gtk_message_dialog_new (NULL, 0,
GTK_MESSAGE_WARNING, GTK_BUTTONS_OK_CANCEL,
"%s", primary);
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
"%s", secondary);
gimp_window_set_transient (GTK_WINDOW (dialog));
ok = (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
return ok;
}
GimpPDBStatusType
WriteBMP (const gchar *filename,
gint32 image,
gint32 drawable_ID,
GError **error)
{
FILE *outfile;
gint Red[MAXCOLORS];
gint Green[MAXCOLORS];
gint Blue[MAXCOLORS];
guchar *cmap;
gint rows, cols, Spcols, channels, MapSize, SpZeile;
glong BitsPerPixel;
gint colors;
guchar *pixels;
GimpPixelRgn pixel_rgn;
GimpDrawable *drawable;
GimpImageType drawable_type;
guchar puffer[50];
gint i;
gint mask_info_size;
guint32 Mask[4];
drawable = gimp_drawable_get (drawable_ID);
drawable_type = gimp_drawable_type (drawable_ID);
gimp_pixel_rgn_init (&pixel_rgn, drawable,
0, 0, drawable->width, drawable->height, FALSE, FALSE);
switch (drawable_type)
{
case GIMP_RGBA_IMAGE:
colors = 0;
BitsPerPixel = 32;
MapSize = 0;
channels = 4;
BMPSaveData.rgb_format = RGBA_8888;
break;
case GIMP_RGB_IMAGE:
colors = 0;
BitsPerPixel = 24;
MapSize = 0;
channels = 3;
BMPSaveData.rgb_format = RGB_888;
break;
case GIMP_GRAYA_IMAGE:
if (interactive && !warning_dialog (_("Cannot save indexed image with "
"transparency in BMP file format."),
_("Alpha channel will be ignored.")))
return GIMP_PDB_CANCEL;
/* fallthrough */
case GIMP_GRAY_IMAGE:
colors = 256;
BitsPerPixel = 8;
MapSize = 1024;
if (drawable_type == GIMP_GRAY_IMAGE) channels = 1;
else channels = 2;
for (i = 0; i < colors; i++)
{
Red[i] = i;
Green[i] = i;
Blue[i] = i;
}
break;
case GIMP_INDEXEDA_IMAGE:
if (interactive && !warning_dialog (_("Cannot save indexed image with "
"transparency in BMP file format."),
_("Alpha channel will be ignored.")))
return GIMP_PDB_CANCEL;
/* fallthrough */
case GIMP_INDEXED_IMAGE:
cmap = gimp_image_get_colormap (image, &colors);
MapSize = 4 * colors;
if (drawable_type == GIMP_INDEXED_IMAGE) channels = 1;
else channels = 2;
if (colors > 16)
BitsPerPixel = 8;
else if (colors > 2)
BitsPerPixel = 4;
else
BitsPerPixel = 1;
for (i = 0; i < colors; i++)
{
Red[i] = *cmap++;
Green[i] = *cmap++;
Blue[i] = *cmap++;
}
break;
default:
g_assert_not_reached ();
}
/* Perhaps someone wants RLE encoded Bitmaps */
BMPSaveData.encoded = 0;
mask_info_size = 0;
if (!interactive && lastvals)
{
gimp_get_data (SAVE_PROC, &BMPSaveData);
}
if ((BitsPerPixel == 8 || BitsPerPixel == 4) && interactive)
{
if (! save_dialog (1))
return GIMP_PDB_CANCEL;
}
else if ((BitsPerPixel == 24 || BitsPerPixel == 32))
{
if (interactive && !save_dialog (channels))
return GIMP_PDB_CANCEL;
switch (BMPSaveData.rgb_format)
{
case RGB_888:
BitsPerPixel = 24;
break;
case RGBA_8888:
BitsPerPixel = 32;
break;
case RGBX_8888:
BitsPerPixel = 32;
mask_info_size = 16;
break;
case RGB_565:
BitsPerPixel = 16;
mask_info_size = 16;
break;
case RGBA_5551:
BitsPerPixel = 16;
mask_info_size = 16;
break;
case RGB_555:
BitsPerPixel = 16;
break;
default:
g_return_val_if_reached (GIMP_PDB_EXECUTION_ERROR);
}
}
gimp_set_data (SAVE_PROC, &BMPSaveData, sizeof (BMPSaveData));
/* Let's take some file */
outfile = g_fopen (filename, "wb");
if (!outfile)
{
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not open '%s' for writing: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return GIMP_PDB_EXECUTION_ERROR;
}
/* fetch the image */
pixels = g_new (guchar, drawable->width * drawable->height * channels);
gimp_pixel_rgn_get_rect (&pixel_rgn, pixels,
0, 0, drawable->width, drawable->height);
/* And let's begin the progress */
gimp_progress_init_printf (_("Saving '%s'"),
gimp_filename_to_utf8 (filename));
cur_progress = 0;
max_progress = drawable->height;
/* Now, we need some further information ... */
cols = drawable->width;
rows = drawable->height;
/* ... that we write to our headers. */
if ((BitsPerPixel <= 8) && (cols % (8 / BitsPerPixel)))
Spcols = (((cols / (8 / BitsPerPixel)) + 1) * (8 / BitsPerPixel));
else
Spcols = cols;
if ((((Spcols * BitsPerPixel) / 8) % 4) == 0)
SpZeile = ((Spcols * BitsPerPixel) / 8);
else
SpZeile = ((gint) (((Spcols * BitsPerPixel) / 8) / 4) + 1) * 4;
Bitmap_File_Head.bfSize = 0x36 + MapSize + (rows * SpZeile) + mask_info_size;
Bitmap_File_Head.zzHotX = 0;
Bitmap_File_Head.zzHotY = 0;
Bitmap_File_Head.bfOffs = 0x36 + MapSize + mask_info_size;
Bitmap_File_Head.biSize = 40 + (mask_info_size > 12 ? mask_info_size : 0);
Bitmap_Head.biWidth = cols;
Bitmap_Head.biHeight = rows;
Bitmap_Head.biPlanes = 1;
Bitmap_Head.biBitCnt = BitsPerPixel;
if (BMPSaveData.encoded == 0)
{
if (!mask_info_size) Bitmap_Head.biCompr = 0;
else Bitmap_Head.biCompr = 3;
}
else if (BitsPerPixel == 8)
Bitmap_Head.biCompr = 1;
else if (BitsPerPixel == 4)
Bitmap_Head.biCompr = 2;
else
Bitmap_Head.biCompr = 0;
Bitmap_Head.biSizeIm = SpZeile * rows;
{
gdouble xresolution;
gdouble yresolution;
gimp_image_get_resolution (image, &xresolution, &yresolution);
if (xresolution > GIMP_MIN_RESOLUTION &&
yresolution > GIMP_MIN_RESOLUTION)
{
/*
* xresolution and yresolution are in dots per inch.
* the BMP spec says that biXPels and biYPels are in
* pixels per meter as long ints (actually, "DWORDS"),
* so...
* n dots inch 100 cm m dots
* ------ * ------- * ------ = ------
* inch 2.54 cm m inch
*
* We add 0.5 for proper rounding.
*/
Bitmap_Head.biXPels = (long int) (xresolution * 100.0 / 2.54 + 0.5);
Bitmap_Head.biYPels = (long int) (yresolution * 100.0 / 2.54 + 0.5);
}
}
if (BitsPerPixel <= 8)
Bitmap_Head.biClrUsed = colors;
else
Bitmap_Head.biClrUsed = 0;
Bitmap_Head.biClrImp = Bitmap_Head.biClrUsed;
#ifdef DEBUG
printf("\nSize: %u, Colors: %u, Bits: %u, Width: %u, Height: %u, Comp: %u, Zeile: %u\n",
(int)Bitmap_File_Head.bfSize,(int)Bitmap_Head.biClrUsed,Bitmap_Head.biBitCnt,(int)Bitmap_Head.biWidth,
(int)Bitmap_Head.biHeight, (int)Bitmap_Head.biCompr,SpZeile);
#endif
/* And now write the header and the colormap (if any) to disk */
Write (outfile, "BM", 2);
FromL (Bitmap_File_Head.bfSize, &puffer[0x00]);
FromS (Bitmap_File_Head.zzHotX, &puffer[0x04]);
FromS (Bitmap_File_Head.zzHotY, &puffer[0x06]);
FromL (Bitmap_File_Head.bfOffs, &puffer[0x08]);
FromL (Bitmap_File_Head.biSize, &puffer[0x0C]);
Write (outfile, puffer, 16);
FromL (Bitmap_Head.biWidth, &puffer[0x00]);
FromL (Bitmap_Head.biHeight, &puffer[0x04]);
FromS (Bitmap_Head.biPlanes, &puffer[0x08]);
FromS (Bitmap_Head.biBitCnt, &puffer[0x0A]);
FromL (Bitmap_Head.biCompr, &puffer[0x0C]);
FromL (Bitmap_Head.biSizeIm, &puffer[0x10]);
FromL (Bitmap_Head.biXPels, &puffer[0x14]);
FromL (Bitmap_Head.biYPels, &puffer[0x18]);
FromL (Bitmap_Head.biClrUsed, &puffer[0x1C]);
FromL (Bitmap_Head.biClrImp, &puffer[0x20]);
Write (outfile, puffer, 36);
write_color_map (outfile, Red, Green, Blue, MapSize);
if (mask_info_size)
{
switch (BMPSaveData.rgb_format)
{
default:
case RGB_888:
case RGBX_8888:
Mask[0] = 0xff000000;
Mask[1] = 0x00ff0000;
Mask[2] = 0x0000ff00;
Mask[3] = 0x00000000;
break;
case RGBA_8888:
Mask[0] = 0xff000000;
Mask[1] = 0x00ff0000;
Mask[2] = 0x0000ff00;
Mask[3] = 0x000000ff;
break;
case RGB_565:
Mask[0] = 0xf800;
Mask[1] = 0x7e0;
Mask[2] = 0x1f;
Mask[3] = 0x0;
break;
case RGBA_5551:
Mask[0] = 0x7c00;
Mask[1] = 0x3e0;
Mask[2] = 0x1f;
Mask[3] = 0x8000;
break;
case RGB_555:
Mask[0] = 0x7c00;
Mask[1] = 0x3e0;
Mask[2] = 0x1f;
Mask[3] = 0x0;
break;
}
FromL (Mask[0], &puffer[0x00]);
FromL (Mask[1], &puffer[0x04]);
FromL (Mask[2], &puffer[0x08]);
FromL (Mask[3], &puffer[0x0C]);
Write (outfile, puffer, mask_info_size);
}
/* After that is done, we write the image ... */
write_image (outfile,
pixels, cols, rows,
BMPSaveData.encoded, channels, BitsPerPixel, SpZeile, MapSize,
BMPSaveData.rgb_format);
/* ... and exit normally */
fclose (outfile);
gimp_drawable_detach (drawable);
g_free (pixels);
return GIMP_PDB_SUCCESS;
}
static inline void Make565(guchar r, guchar g, guchar b, guchar *buf)
{
gint p;
p = (((gint)(r / 255.0 * 31.0 + 0.5))<<11) |
(((gint)(g / 255.0 * 63.0 + 0.5))<<5) |
((gint)(b / 255.0 * 31.0 + 0.5));
buf[0] = (guchar)(p & 0xff);
buf[1] = (guchar)(p>>8);
}
static inline void Make5551(guchar r, guchar g, guchar b, guchar a, guchar *buf)
{
gint p;
p = (((gint)(r / 255.0 * 31.0 + 0.5))<<10) |
(((gint)(g / 255.0 * 31.0 + 0.5))<<5) |
((gint)(b / 255.0 * 31.0 + 0.5)) |
((gint)(a / 255.0 + 0.5)<<15);
buf[0] = (guchar)(p & 0xff);
buf[1] = (guchar)(p>>8);
}
static void
write_image (FILE *f,
guchar *src,
gint width,
gint height,
gint encoded,
gint channels,
gint bpp,
gint spzeile,
gint MapSize,
RGBMode rgb_format)
{
guchar buf[16] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0 };
guchar puffer[8];
guchar *temp, v;
guchar *row, *ketten;
gint xpos, ypos, i, j, rowstride, length, thiswidth;
gint breite, k;
guchar n, r, g, b, a;
xpos = 0;
rowstride = width * channels;
/* We'll begin with the 16/24/32 bit Bitmaps, they are easy :-) */
if (bpp > 8)
{
for (ypos = height - 1; ypos >= 0; ypos--) /* for each row */
{
for (i = 0; i < width; i++) /* for each pixel */
{
temp = src + (ypos * rowstride) + (xpos * channels);
switch (rgb_format)
{
default:
case RGB_888:
buf[2] = *temp++;
buf[1] = *temp++;
buf[0] = *temp++;
xpos++;
if (channels > 3 && (guchar) *temp == 0)
buf[0] = buf[1] = buf[2] = 0xff;
Write (f, buf, 3);
break;
case RGBX_8888:
buf[0] = 0;
buf[3] = *temp++;
buf[2] = *temp++;
buf[1] = *temp++;
xpos++;
if (channels > 3 && (guchar) *temp == 0)
buf[0] = buf[1] = buf[2] = 0xff;
Write (f, buf, 4);
break;
case RGBA_8888:
buf[2] = *temp++;
buf[1] = *temp++;
buf[0] = *temp++;
buf[3] = *temp;
xpos++;
Write (f, buf, 4);
break;
case RGB_565:
r = *temp++;
g = *temp++;
b = *temp++;
if (channels > 3 && (guchar) *temp == 0)
r = g = b = 0xff;
Make565 (r, g, b, buf);
xpos++;
Write (f, buf, 2);
break;
case RGB_555:
r = *temp++;
g = *temp++;
b = *temp++;
if (channels > 3 && (guchar) *temp == 0)
r = g = b = 0xff;
Make5551 (r, g, b, 0x0, buf);
xpos++;
Write (f, buf, 2);
break;
case RGBA_5551:
r = *temp++;
g = *temp++;
b = *temp++;
a = *temp;
Make5551 (r, g, b, a, buf);
xpos++;
Write (f, buf, 2);
break;
}
}
Write (f, &buf[4], spzeile - (width * (bpp/8)));
cur_progress++;
if ((cur_progress % 5) == 0)
gimp_progress_update ((gdouble) cur_progress /
(gdouble) max_progress);
xpos = 0;
}
}
else
{
switch (encoded) /* now it gets more difficult */
{ /* uncompressed 1,4 and 8 bit */
case 0:
{
thiswidth = (width / (8 / bpp));
if (width % (8 / bpp))
thiswidth++;
for (ypos = height - 1; ypos >= 0; ypos--) /* for each row */
{
for (xpos = 0; xpos < width;) /* for each _byte_ */
{
v = 0;
for (i = 1;
(i <= (8 / bpp)) && (xpos < width);
i++, xpos++) /* for each pixel */
{
temp = src + (ypos * rowstride) + (xpos * channels);
if (channels > 1 && *(temp+1) == 0) *temp = 0x0;
v=v | ((guchar) *temp << (8 - (i * bpp)));
}
Write (f, &v, 1);
}
Write (f, &buf[3], spzeile - thiswidth);
xpos = 0;
cur_progress++;
if ((cur_progress % 5) == 0)
gimp_progress_update ((gdouble) cur_progress /
(gdouble) max_progress);
}
break;
}
default:
{ /* Save RLE encoded file, quite difficult */
length = 0;
buf[12] = 0;
buf[13] = 1;
buf[14] = 0;
buf[15] = 0;
row = g_new (guchar, width / (8 / bpp) + 10);
ketten = g_new (guchar, width / (8 / bpp) + 10);
for (ypos = height - 1; ypos >= 0; ypos--)
{ /* each row separately */
j = 0;
/* first copy the pixels to a buffer,
* making one byte from two 4bit pixels
*/
for (xpos = 0; xpos < width;)
{
v = 0;
for (i = 1;
(i <= (8 / bpp)) && (xpos < width);
i++, xpos++)
{ /* for each pixel */
temp = src + (ypos * rowstride) + (xpos * channels);
if (channels > 1 && *(temp+1) == 0) *temp = 0x0;
v = v | ((guchar) * temp << (8 - (i * bpp)));
}
row[j++] = v;
}
breite = width / (8 / bpp);
if (width % (8 / bpp))
breite++;
/* then check for strings of equal bytes */
for (i = 0; i < breite; i += j)
{
j = 0;
while ((i + j < breite) &&
(j < (255 / (8 / bpp))) &&
(row[i + j] == row[i]))
j++;
ketten[i] = j;
}
/* then write the strings and the other pixels to the file */
for (i = 0; i < breite;)
{
if (ketten[i] < 3)
/* strings of different pixels ... */
{
j = 0;
while ((i + j < breite) &&
(j < (255 / (8 / bpp))) &&
(ketten[i + j] < 3))
j += ketten[i + j];
/* this can only happen if j jumps over
* the end with a 2 in ketten[i+j]
*/
if (j > (255 / (8 / bpp)))
j -= 2;
/* 00 01 and 00 02 are reserved */
if (j > 2)
{
Write (f, &buf[12], 1);
n = j * (8 / bpp);
if (n + i * (8 / bpp) > width)
n--;
Write (f, &n, 1);
length += 2;
Write (f, &row[i], j);
length += j;
if ((j) % 2)
{
Write (f, &buf[12], 1);
length++;
}
}
else
{
for (k = i; k < i + j; k++)
{
n = (8 / bpp);
if (n + i * (8 / bpp) > width)
n--;
Write (f, &n, 1);
Write (f, &row[k], 1);
/*printf("%i.#|",n); */
length += 2;
}
}
i += j;
}
else
/* strings of equal pixels */
{
n = ketten[i] * (8 / bpp);
if (n + i * (8 / bpp) > width)
n--;
Write (f, &n, 1);
Write (f, &row[i], 1);
i += ketten[i];
length += 2;
}
}
Write (f, &buf[14], 2); /* End of row */
length += 2;
cur_progress++;
if ((cur_progress % 5) == 0)
gimp_progress_update ((gdouble) cur_progress /
(gdouble) max_progress);
}
fseek (f, -2, SEEK_CUR); /* Overwrite last End of row ... */
Write (f, &buf[12], 2); /* ... with End of file */
fseek (f, 0x22, SEEK_SET); /* Write length of image */
FromL (length, puffer);
Write (f, puffer, 4);
fseek (f, 0x02, SEEK_SET); /* Write length of file */
length += (0x36 + MapSize);
FromL (length, puffer);
Write (f, puffer, 4);
g_free (ketten);
g_free (row);
break;
}
}
}
gimp_progress_update (1);
}
static void
format_callback (GtkWidget *widget,
gpointer *data)
{
BMPSaveData.rgb_format = GPOINTER_TO_INT (data);
}
static gboolean
save_dialog (gint channels)
{
GtkWidget *dialog;
GtkWidget *toggle;
GtkWidget *vbox_main;
GtkWidget *vbox;
GtkWidget *vbox2;
GtkWidget *expander;
GtkWidget *frame;
GSList *group;
gboolean run;
dialog = gimp_export_dialog_new (_("BMP"), PLUG_IN_BINARY, SAVE_PROC);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
vbox_main = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox_main), 12);
gtk_container_add (GTK_CONTAINER (gimp_export_dialog_get_content_area (dialog)),
vbox_main);
gtk_widget_show (vbox_main);
toggle = gtk_check_button_new_with_mnemonic (_("_Run-Length Encoded"));
gtk_box_pack_start (GTK_BOX (vbox_main), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
BMPSaveData.encoded);
gtk_widget_show (toggle);
if (channels > 1)
gtk_widget_set_sensitive (toggle, FALSE);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&BMPSaveData.encoded);
expander = gtk_expander_new_with_mnemonic (_("_Advanced Options"));
gtk_box_pack_start (GTK_BOX (vbox_main), expander, TRUE, TRUE, 0);
gtk_widget_show (expander);
if (channels < 3)
gtk_widget_set_sensitive (expander, FALSE);
vbox2 = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox2), 12);
gtk_container_add (GTK_CONTAINER (expander), vbox2);
gtk_widget_show (vbox2);
group = NULL;
frame = gimp_frame_new (_("16 bits"));
gtk_box_pack_start (GTK_BOX (vbox2), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
toggle = gtk_radio_button_new_with_label (group, "R5 G6 B5");
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "pressed",
G_CALLBACK (format_callback),
GINT_TO_POINTER (RGB_565));
toggle = gtk_radio_button_new_with_label (group, "A1 R5 G5 B5");
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
if (channels < 4)
gtk_widget_set_sensitive (toggle, FALSE);
gtk_widget_show (toggle);
g_signal_connect (toggle, "pressed",
G_CALLBACK (format_callback),
GINT_TO_POINTER (RGBA_5551));
toggle = gtk_radio_button_new_with_label (group, "X1 R5 G5 B5");
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (toggle));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "pressed",
G_CALLBACK (format_callback),
GINT_TO_POINTER (RGB_555));
frame = gimp_frame_new (_("24 bits"));
gtk_box_pack_start (GTK_BOX (vbox2), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
toggle = gtk_radio_button_new_with_label (group, "R8 G8 B8");
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON(toggle));
gtk_container_add (GTK_CONTAINER (frame), toggle);
gtk_widget_show (toggle);
g_signal_connect (toggle, "pressed",
G_CALLBACK (format_callback),
GINT_TO_POINTER (RGB_888));
if (channels < 4)
{
BMPSaveData.rgb_format = RGB_888;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), TRUE);
}
frame = gimp_frame_new (_("32 bits"));
gtk_box_pack_start (GTK_BOX (vbox2), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 6);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
toggle = gtk_radio_button_new_with_label (group, "A8 R8 G8 B8");
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (toggle));
gtk_container_add (GTK_CONTAINER (vbox), toggle);
if (channels < 4)
{
gtk_widget_set_sensitive (toggle, FALSE);
}
else
{
BMPSaveData.rgb_format = RGBA_8888;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), TRUE);
}
gtk_widget_show (toggle);
g_signal_connect (toggle, "pressed",
G_CALLBACK (format_callback),
GINT_TO_POINTER (RGBA_8888));
toggle = gtk_radio_button_new_with_label (group, "X8 R8 G8 B8");
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (toggle));
gtk_container_add (GTK_CONTAINER (vbox), toggle);
gtk_widget_show (toggle);
g_signal_connect (toggle, "pressed",
G_CALLBACK (format_callback),
GINT_TO_POINTER (RGBX_8888));
gtk_widget_show (dialog);
run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dialog);
return run;
}
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