static void
export_convert_indexed (gint32 image_ID,
gint32 *drawable_ID)
{
gint32 nlayers;
/* check alpha */
g_free (gimp_image_get_layers (image_ID, &nlayers));
if (nlayers > 1 || gimp_drawable_has_alpha (*drawable_ID))
gimp_image_convert_indexed (image_ID, GIMP_NO_DITHER,
GIMP_MAKE_PALETTE, 255, FALSE, FALSE, "");
else
gimp_image_convert_indexed (image_ID, GIMP_NO_DITHER,
GIMP_MAKE_PALETTE, 256, FALSE, FALSE, "");
}
static gboolean image_save_gif(image_output out, gboolean interlace)
{
gint nreturn_vals;
// first, convert to indexed-256 color mode
gimp_image_convert_indexed(
out->image_id,
GIMP_FS_DITHER,
GIMP_MAKE_PALETTE,
gimp_drawable_has_alpha (out->drawable_ids[0]) ? 255 : 256,
TRUE,
FALSE,
""
);
GimpParam *return_vals = gimp_run_procedure(
"file_gif_save",
&nreturn_vals,
GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
GIMP_PDB_IMAGE, out->image_id,
GIMP_PDB_DRAWABLE, 0, // drawable is ignored
GIMP_PDB_STRING, out->filepath,
GIMP_PDB_STRING, out->filename,
GIMP_PDB_INT32, interlace ? 1 : 0, // Try to save as interlaced
GIMP_PDB_INT32, 1, // (animated gif) loop infinitely
GIMP_PDB_INT32, 0, // (animated gif) Default delay between framese in milliseconds
GIMP_PDB_INT32, 0, // (animated gif) Default disposal type (0=don't care, 1=combine, 2=replace)
GIMP_PDB_END
);
return TRUE;
}
static void
export_convert_bitmap (gint32 image_ID,
gint32 *drawable_ID)
{
if (gimp_image_base_type (image_ID) == GIMP_INDEXED)
gimp_image_convert_rgb (image_ID);
gimp_image_convert_indexed (image_ID, GIMP_FS_DITHER,
GIMP_MAKE_PALETTE, 2, FALSE, FALSE, "");
}
gint
webx_indexed_target_get_image (WebxIndexedTarget *indexed,
WebxTargetInput *input,
gint *layer)
{
gint tmp_image;
gint tmp_layer;
gint *layers;
gint num_layers;
gchar *custom_palette;
gint num_colors;
gboolean converted;
g_return_val_if_fail (WEBX_IS_INDEXED_TARGET (indexed), -1);
if (indexed->palette_type == GIMP_REUSE_PALETTE)
{
*layer = input->indexed_layer;
return input->indexed_image;
}
custom_palette = indexed->custom_palette;
if (! custom_palette)
custom_palette = "";
tmp_image = input->rgb_image;
tmp_layer = input->rgb_layer;
num_colors = indexed->num_colors;
if (num_colors == 256 && gimp_drawable_has_alpha (tmp_layer))
num_colors = 255;
tmp_image = gimp_image_duplicate (tmp_image);
converted = gimp_image_convert_indexed (tmp_image, indexed->dither_type,
indexed->palette_type,
num_colors,
indexed->alpha_dither,
indexed->remove_unused,
custom_palette);
if (! converted)
{
gimp_image_delete (tmp_image);
*layer = -1;
return -1;
}
layers = gimp_image_get_layers (tmp_image, &num_layers);
g_assert (num_layers == 1);
tmp_layer = layers[0];
indexed->image = tmp_image;
indexed->layer = tmp_layer;
*layer= tmp_layer;
return tmp_image;
}
static gboolean image_save(format_type type, image_output imageout, format_params params)
{
gboolean result;
if (type == FORMAT_BMP) {
result = image_save_bmp(imageout);
}
else if(type == FORMAT_GIF) {
result = image_save_gif(imageout, ((format_params_gif)params)->interlace);
}
else if(type == FORMAT_ICON) {
result = image_save_icon(imageout);
}
else if(type == FORMAT_JPEG) {
result = image_save_jpeg(
imageout,
((format_params_jpeg)params)->quality,
((format_params_jpeg)params)->smoothing,
((format_params_jpeg)params)->entropy,
((format_params_jpeg)params)->progressive,
((format_params_jpeg)params)->comment,
((format_params_jpeg)params)->subsampling,
((format_params_jpeg)params)->baseline,
((format_params_jpeg)params)->markers,
((format_params_jpeg)params)->dct
);
}
else if(type == FORMAT_PNG) {
result = image_save_png(imageout,
((format_params_png)params)->interlace,
((format_params_png)params)->compression,
((format_params_png)params)->savebgc,
((format_params_png)params)->savegamma,
((format_params_png)params)->saveoff,
((format_params_png)params)->savephys,
((format_params_png)params)->savetime,
((format_params_png)params)->savecomm,
((format_params_png)params)->savetrans
);
}
else if(type == FORMAT_TGA) {
result = image_save_tga(imageout, ((format_params_tga)params)->rle, ((format_params_tga)params)->origin);
}
else if(type == FORMAT_TIFF) {
result = image_save_tiff(imageout, ((format_params_tiff)params)->compression);
}
else {
// save in the original format
int final_drawable = gimp_image_merge_visible_layers(imageout->image_id, GIMP_CLIP_TO_IMAGE);
// but first check if the images was a GIF and it's palette has changed during the process
if (file_has_extension(imageout->filename, ".gif") && gimp_drawable_is_rgb(final_drawable)) {
gimp_image_convert_indexed(
imageout->image_id,
GIMP_FS_DITHER,
GIMP_MAKE_PALETTE,
gimp_drawable_has_alpha (final_drawable) ? 255 : 256,
TRUE,
FALSE,
""
);
}
result = gimp_file_save(
GIMP_RUN_NONINTERACTIVE,
imageout->image_id,
final_drawable,
imageout->filepath,
imageout->filename
);
}
return result;
}
static void
ico_dialog_update_icon_preview (GtkWidget *dialog,
gint32 layer,
gint bpp)
{
GtkWidget *preview = ico_dialog_get_layer_preview (dialog, layer);
GdkPixbuf *pixbuf;
gint w = gimp_drawable_width (layer);
gint h = gimp_drawable_height (layer);
if (! preview)
return;
if (bpp <= 8)
{
GimpDrawable *drawable;
GimpDrawable *tmp;
GimpPixelRgn src_pixel_rgn, dst_pixel_rgn;
gint32 image;
gint32 tmp_image;
gint32 tmp_layer;
guchar *buffer;
guchar *cmap;
gint num_colors;
image = gimp_item_get_image (layer);
tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
gimp_image_undo_disable (tmp_image);
if (gimp_drawable_is_indexed (layer))
{
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
g_free (cmap);
}
tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
gimp_drawable_type (layer),
100, GIMP_NORMAL_MODE);
gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);
drawable = gimp_drawable_get (layer);
tmp = gimp_drawable_get (tmp_layer);
gimp_pixel_rgn_init (&src_pixel_rgn, drawable, 0, 0, w, h, FALSE, FALSE);
gimp_pixel_rgn_init (&dst_pixel_rgn, tmp, 0, 0, w, h, TRUE, FALSE);
buffer = g_malloc (w * h * 4);
gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
gimp_drawable_detach (tmp);
gimp_drawable_detach (drawable);
if (gimp_drawable_is_indexed (layer))
gimp_image_convert_rgb (tmp_image);
gimp_image_convert_indexed (tmp_image,
GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
1 <<bpp, TRUE, FALSE, "dummy");
cmap = gimp_image_get_colormap (tmp_image, &num_colors);
if ( num_colors == (1 << bpp) &&
!ico_cmap_contains_black (cmap, num_colors))
{
/* Windows icons with color maps need the color black.
* We need to eliminate one more color to make room for black.
*/
if (gimp_drawable_is_indexed (layer))
{
g_free (cmap);
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
}
else if (gimp_drawable_is_gray (layer))
{
gimp_image_convert_grayscale (tmp_image);
}
else
{
gimp_image_convert_rgb (tmp_image);
}
tmp = gimp_drawable_get (tmp_layer);
gimp_pixel_rgn_init (&dst_pixel_rgn,
tmp, 0, 0, w, h, TRUE, FALSE);
gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
gimp_drawable_detach (tmp);
if (!gimp_drawable_is_rgb (layer))
gimp_image_convert_rgb (tmp_image);
gimp_image_convert_indexed (tmp_image,
GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
(1<<bpp) - 1, TRUE, FALSE, "dummy");
}
g_free (cmap);
g_free (buffer);
pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
MIN (w, 128), MIN (h, 128),
GIMP_PIXBUF_SMALL_CHECKS);
gimp_image_delete (tmp_image);
}
else if (bpp == 24)
{
GimpDrawable *drawable;
GimpDrawable *tmp;
GimpPixelRgn src_pixel_rgn, dst_pixel_rgn;
gint32 image;
gint32 tmp_image;
gint32 tmp_layer;
guchar *buffer;
GimpParam *return_vals;
gint n_return_vals;
image = gimp_item_get_image (layer);
tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
gimp_image_undo_disable (tmp_image);
if (gimp_drawable_is_indexed (layer))
{
guchar *cmap;
gint num_colors;
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
g_free (cmap);
}
tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
gimp_drawable_type (layer),
100, GIMP_NORMAL_MODE);
gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);
drawable = gimp_drawable_get (layer);
tmp = gimp_drawable_get (tmp_layer);
gimp_pixel_rgn_init (&src_pixel_rgn, drawable, 0, 0, w, h, FALSE, FALSE);
gimp_pixel_rgn_init (&dst_pixel_rgn, tmp, 0, 0, w, h, TRUE, FALSE);
buffer = g_malloc (w * h * 4);
gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
g_free (buffer);
gimp_drawable_detach (tmp);
gimp_drawable_detach (drawable);
if (gimp_drawable_is_indexed (layer))
gimp_image_convert_rgb (tmp_image);
return_vals =
gimp_run_procedure ("plug-in-threshold-alpha", &n_return_vals,
GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
GIMP_PDB_IMAGE, tmp_image,
GIMP_PDB_DRAWABLE, tmp_layer,
GIMP_PDB_INT32, ICO_ALPHA_THRESHOLD,
GIMP_PDB_END);
gimp_destroy_params (return_vals, n_return_vals);
pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
MIN (w, 128), MIN (h, 128),
GIMP_PIXBUF_SMALL_CHECKS);
gimp_image_delete (tmp_image);
}
else
{
pixbuf = gimp_drawable_get_thumbnail (layer,
MIN (w, 128), MIN (h, 128),
GIMP_PIXBUF_SMALL_CHECKS);
}
gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
g_object_unref (pixbuf);
}
static void
ico_image_get_reduced_buf (guint32 layer,
gint bpp,
gint *num_colors,
guchar **cmap_out,
guchar **buf_out)
{
gint32 tmp_image;
gint32 tmp_layer;
gint w, h;
guchar *buf;
guchar *cmap = NULL;
GeglBuffer *buffer = gimp_drawable_get_buffer (layer);
const Babl *format;
w = gegl_buffer_get_width (buffer);
h = gegl_buffer_get_height (buffer);
switch (gimp_drawable_type (layer))
{
case GIMP_RGB_IMAGE:
format = babl_format ("R'G'B' u8");
break;
case GIMP_RGBA_IMAGE:
format = babl_format ("R'G'B'A u8");
break;
case GIMP_GRAY_IMAGE:
format = babl_format ("Y' u8");
break;
case GIMP_GRAYA_IMAGE:
format = babl_format ("Y'A u8");
break;
case GIMP_INDEXED_IMAGE:
case GIMP_INDEXEDA_IMAGE:
format = gegl_buffer_get_format (buffer);
default:
g_return_if_reached ();
}
*num_colors = 0;
buf = g_new (guchar, w * h * 4);
if (bpp <= 8 || bpp == 24 || babl_format_get_bytes_per_pixel (format) != 4)
{
gint32 image = gimp_item_get_image (layer);
GeglBuffer *tmp;
tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
gimp_image_undo_disable (tmp_image);
if (gimp_drawable_is_indexed (layer))
{
guchar *cmap;
gint num_colors;
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
g_free (cmap);
}
tmp_layer = gimp_layer_new (tmp_image, "tmp", w, h,
gimp_drawable_type (layer),
100, GIMP_NORMAL_MODE);
gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);
tmp = gimp_drawable_get_buffer (tmp_layer);
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, w, h), 1.0,
format, buf,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
gegl_buffer_copy (buffer, NULL, GEGL_ABYSS_NONE, tmp, NULL);
g_object_unref (tmp);
if (! gimp_drawable_is_rgb (tmp_layer))
gimp_image_convert_rgb (tmp_image);
if (bpp <= 8)
{
gimp_image_convert_indexed (tmp_image,
GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
1 << bpp, TRUE, FALSE, "dummy");
cmap = gimp_image_get_colormap (tmp_image, num_colors);
if (*num_colors == (1 << bpp) &&
! ico_cmap_contains_black (cmap, *num_colors))
{
/* Windows icons with color maps need the color black.
* We need to eliminate one more color to make room for black.
*/
if (gimp_drawable_is_indexed (layer))
{
g_free (cmap);
cmap = gimp_image_get_colormap (image, num_colors);
gimp_image_set_colormap (tmp_image, cmap, *num_colors);
}
else if (gimp_drawable_is_gray (layer))
{
gimp_image_convert_grayscale (tmp_image);
}
else
{
gimp_image_convert_rgb (tmp_image);
}
tmp = gimp_drawable_get_buffer (tmp_layer);
gegl_buffer_set (tmp, GEGL_RECTANGLE (0, 0, w, h), 0,
format, buf, GEGL_AUTO_ROWSTRIDE);
g_object_unref (tmp);
if (! gimp_drawable_is_rgb (layer))
gimp_image_convert_rgb (tmp_image);
gimp_image_convert_indexed (tmp_image,
GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
(1<<bpp) - 1, TRUE, FALSE, "dummy");
g_free (cmap);
cmap = gimp_image_get_colormap (tmp_image, num_colors);
}
gimp_image_convert_rgb (tmp_image);
}
else if (bpp == 24)
{
GimpParam *return_vals;
gint n_return_vals;
return_vals =
gimp_run_procedure ("plug-in-threshold-alpha", &n_return_vals,
GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
GIMP_PDB_IMAGE, tmp_image,
GIMP_PDB_DRAWABLE, tmp_layer,
GIMP_PDB_INT32, ICO_ALPHA_THRESHOLD,
GIMP_PDB_END);
gimp_destroy_params (return_vals, n_return_vals);
}
gimp_layer_add_alpha (tmp_layer);
tmp = gimp_drawable_get_buffer (tmp_layer);
gegl_buffer_get (tmp, GEGL_RECTANGLE (0, 0, w, h), 1.0,
NULL, buf,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
g_object_unref (tmp);
gimp_image_delete (tmp_image);
}
else
{
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, w, h), 1.0,
format, buf,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
g_object_unref (buffer);
*cmap_out = cmap;
*buf_out = buf;
}
static void
ico_dialog_update_icon_preview (GtkWidget *dialog,
gint32 layer,
gint bpp)
{
GtkWidget *preview = ico_dialog_get_layer_preview (dialog, layer);
GdkPixbuf *pixbuf;
const Babl *format;
gint w = gimp_drawable_width (layer);
gint h = gimp_drawable_height (layer);
if (! preview)
return;
switch (gimp_drawable_type (layer))
{
case GIMP_RGB_IMAGE:
format = babl_format ("R'G'B' u8");
break;
case GIMP_RGBA_IMAGE:
format = babl_format ("R'G'B'A u8");
break;
case GIMP_GRAY_IMAGE:
format = babl_format ("Y' u8");
break;
case GIMP_GRAYA_IMAGE:
format = babl_format ("Y'A u8");
break;
case GIMP_INDEXED_IMAGE:
case GIMP_INDEXEDA_IMAGE:
format = gimp_drawable_get_format (layer);
default:
g_return_if_reached ();
}
if (bpp <= 8)
{
GeglBuffer *buffer;
GeglBuffer *tmp;
gint32 image;
gint32 tmp_image;
gint32 tmp_layer;
guchar *buf;
guchar *cmap;
gint num_colors;
image = gimp_item_get_image (layer);
tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
gimp_image_undo_disable (tmp_image);
if (gimp_drawable_is_indexed (layer))
{
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
g_free (cmap);
}
tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
gimp_drawable_type (layer),
100, GIMP_NORMAL_MODE);
gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);
buffer = gimp_drawable_get_buffer (layer);
tmp = gimp_drawable_get_buffer (tmp_layer);
buf = g_malloc (w * h * 4);
gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, w, h), 1.0,
format, buf,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
gegl_buffer_copy (buffer, NULL, tmp, NULL);
g_object_unref (tmp);
g_object_unref (buffer);
if (gimp_drawable_is_indexed (layer))
gimp_image_convert_rgb (tmp_image);
gimp_image_convert_indexed (tmp_image,
GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
1 << bpp, TRUE, FALSE, "dummy");
cmap = gimp_image_get_colormap (tmp_image, &num_colors);
if (num_colors == (1 << bpp) &&
! ico_cmap_contains_black (cmap, num_colors))
{
/* Windows icons with color maps need the color black.
* We need to eliminate one more color to make room for black.
*/
if (gimp_drawable_is_indexed (layer))
{
g_free (cmap);
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
}
else if (gimp_drawable_is_gray (layer))
{
gimp_image_convert_grayscale (tmp_image);
}
else
{
gimp_image_convert_rgb (tmp_image);
}
tmp = gimp_drawable_get_buffer (tmp_layer);
gegl_buffer_set (tmp, GEGL_RECTANGLE (0, 0, w, h), 0,
format, buf, GEGL_AUTO_ROWSTRIDE);
g_object_unref (tmp);
if (!gimp_drawable_is_rgb (layer))
gimp_image_convert_rgb (tmp_image);
gimp_image_convert_indexed (tmp_image,
GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
(1 << bpp) - 1, TRUE, FALSE, "dummy");
}
g_free (cmap);
g_free (buf);
pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
MIN (w, 128), MIN (h, 128),
GIMP_PIXBUF_SMALL_CHECKS);
gimp_image_delete (tmp_image);
}
else if (bpp == 24)
{
GeglBuffer *buffer;
GeglBuffer *tmp;
gint32 image;
gint32 tmp_image;
gint32 tmp_layer;
GimpParam *return_vals;
gint n_return_vals;
image = gimp_item_get_image (layer);
tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
gimp_image_undo_disable (tmp_image);
if (gimp_drawable_is_indexed (layer))
{
guchar *cmap;
gint num_colors;
cmap = gimp_image_get_colormap (image, &num_colors);
gimp_image_set_colormap (tmp_image, cmap, num_colors);
g_free (cmap);
}
tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
gimp_drawable_type (layer),
100, GIMP_NORMAL_MODE);
gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);
buffer = gimp_drawable_get_buffer (layer);
tmp = gimp_drawable_get_buffer (tmp_layer);
gegl_buffer_copy (buffer, NULL, tmp, NULL);
g_object_unref (tmp);
g_object_unref (buffer);
if (gimp_drawable_is_indexed (layer))
gimp_image_convert_rgb (tmp_image);
return_vals =
gimp_run_procedure ("plug-in-threshold-alpha", &n_return_vals,
GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
GIMP_PDB_IMAGE, tmp_image,
GIMP_PDB_DRAWABLE, tmp_layer,
GIMP_PDB_INT32, ICO_ALPHA_THRESHOLD,
GIMP_PDB_END);
gimp_destroy_params (return_vals, n_return_vals);
pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
MIN (w, 128), MIN (h, 128),
GIMP_PIXBUF_SMALL_CHECKS);
gimp_image_delete (tmp_image);
}
else
{
pixbuf = gimp_drawable_get_thumbnail (layer,
MIN (w, 128), MIN (h, 128),
GIMP_PIXBUF_SMALL_CHECKS);
}
gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
g_object_unref (pixbuf);
}
