static void
gimp_plug_in_handle_tile_get (GimpPlugIn *plug_in,
GPTileReq *request)
{
GPTileData tile_data;
GimpWireMessage msg;
GimpDrawable *drawable;
GeglBuffer *buffer;
const Babl *format;
GeglRectangle tile_rect;
gint tile_size;
drawable = (GimpDrawable *) gimp_item_get_by_ID (plug_in->manager->gimp,
request->drawable_ID);
if (! GIMP_IS_DRAWABLE (drawable))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"tried reading from invalid drawable %d (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file),
request->drawable_ID);
gimp_plug_in_close (plug_in, TRUE);
return;
}
else if (gimp_item_is_removed (GIMP_ITEM (drawable)))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"tried reading from drawable %d which was removed "
"from the image (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file),
request->drawable_ID);
gimp_plug_in_close (plug_in, TRUE);
return;
}
if (request->shadow)
{
buffer = gimp_drawable_get_shadow_buffer (drawable);
gimp_plug_in_cleanup_add_shadow (plug_in, drawable);
}
else
{
buffer = gimp_drawable_get_buffer (drawable);
}
if (! gimp_gegl_buffer_get_tile_rect (buffer,
GIMP_PLUG_IN_TILE_WIDTH,
GIMP_PLUG_IN_TILE_HEIGHT,
request->tile_num,
&tile_rect))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"requested invalid tile (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file));
gimp_plug_in_close (plug_in, TRUE);
return;
}
format = gegl_buffer_get_format (buffer);
if (! gimp_plug_in_precision_enabled (plug_in))
{
format = gimp_babl_compat_u8_format (format);
}
tile_size = (babl_format_get_bytes_per_pixel (format) *
tile_rect.width * tile_rect.height);
tile_data.drawable_ID = request->drawable_ID;
tile_data.tile_num = request->tile_num;
tile_data.shadow = request->shadow;
tile_data.bpp = babl_format_get_bytes_per_pixel (format);
tile_data.width = tile_rect.width;
tile_data.height = tile_rect.height;
tile_data.use_shm = (plug_in->manager->shm != NULL);
if (tile_data.use_shm)
{
gegl_buffer_get (buffer, &tile_rect, 1.0, format,
gimp_plug_in_shm_get_addr (plug_in->manager->shm),
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
else
{
tile_data.data = g_malloc (tile_size);
gegl_buffer_get (buffer, &tile_rect, 1.0, format,
tile_data.data,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
}
if (! gp_tile_data_write (plug_in->my_write, &tile_data, plug_in))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"%s: ERROR", G_STRFUNC);
gimp_plug_in_close (plug_in, TRUE);
return;
}
if (! gimp_wire_read_msg (plug_in->my_read, &msg, plug_in))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"%s: ERROR", G_STRFUNC);
gimp_plug_in_close (plug_in, TRUE);
return;
}
if (msg.type != GP_TILE_ACK)
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"expected tile ack and received: %d", msg.type);
gimp_plug_in_close (plug_in, TRUE);
return;
}
gimp_wire_destroy (&msg);
}
static gboolean
gimp_plug_in_recv_message (GIOChannel *channel,
GIOCondition cond,
gpointer data)
{
GimpPlugIn *plug_in = data;
gboolean got_message = FALSE;
#ifdef G_OS_WIN32
/* Workaround for GLib bug #137968: sometimes we are called for no
* reason...
*/
if (cond == 0)
return TRUE;
#endif
if (plug_in->my_read == NULL)
return TRUE;
g_object_ref (plug_in);
if (cond & (G_IO_IN | G_IO_PRI))
{
GimpWireMessage msg;
memset (&msg, 0, sizeof (GimpWireMessage));
if (! gimp_wire_read_msg (plug_in->my_read, &msg, plug_in))
{
gimp_plug_in_close (plug_in, TRUE);
}
else
{
gimp_plug_in_handle_message (plug_in, &msg);
gimp_wire_destroy (&msg);
got_message = TRUE;
}
}
if (cond & (G_IO_ERR | G_IO_HUP))
{
if (cond & G_IO_HUP)
plug_in->hup = TRUE;
if (plug_in->open)
gimp_plug_in_close (plug_in, TRUE);
}
if (! got_message)
{
GimpPlugInProcFrame *frame = gimp_plug_in_get_proc_frame (plug_in);
GimpProgress *progress = frame ? frame->progress : NULL;
gimp_message (plug_in->manager->gimp, G_OBJECT (progress),
GIMP_MESSAGE_ERROR,
_("Plug-in crashed: \"%s\"\n(%s)\n\n"
"The dying plug-in may have messed up GIMP's internal "
"state. You may want to save your images and restart "
"GIMP to be on the safe side."),
gimp_object_get_name (plug_in),
gimp_filename_to_utf8 (plug_in->prog));
}
g_object_unref (plug_in);
return TRUE;
}
static void
gimp_plug_in_handle_tile_put (GimpPlugIn *plug_in,
GPTileReq *request)
{
GPTileData tile_data;
GPTileData *tile_info;
GimpWireMessage msg;
GimpDrawable *drawable;
GeglBuffer *buffer;
const Babl *format;
GeglRectangle tile_rect;
tile_data.drawable_ID = -1;
tile_data.tile_num = 0;
tile_data.shadow = 0;
tile_data.bpp = 0;
tile_data.width = 0;
tile_data.height = 0;
tile_data.use_shm = (plug_in->manager->shm != NULL);
tile_data.data = NULL;
if (! gp_tile_data_write (plug_in->my_write, &tile_data, plug_in))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"%s: ERROR", G_STRFUNC);
gimp_plug_in_close (plug_in, TRUE);
return;
}
if (! gimp_wire_read_msg (plug_in->my_read, &msg, plug_in))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"%s: ERROR", G_STRFUNC);
gimp_plug_in_close (plug_in, TRUE);
return;
}
if (msg.type != GP_TILE_DATA)
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"expected tile data and received: %d", msg.type);
gimp_plug_in_close (plug_in, TRUE);
return;
}
tile_info = msg.data;
drawable = (GimpDrawable *) gimp_item_get_by_ID (plug_in->manager->gimp,
tile_info->drawable_ID);
if (! GIMP_IS_DRAWABLE (drawable))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"tried writing to invalid drawable %d (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file),
tile_info->drawable_ID);
gimp_plug_in_close (plug_in, TRUE);
return;
}
else if (gimp_item_is_removed (GIMP_ITEM (drawable)))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"tried writing to drawable %d which was removed "
"from the image (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file),
tile_info->drawable_ID);
gimp_plug_in_close (plug_in, TRUE);
return;
}
if (tile_info->shadow)
{
/* don't check whether the drawable is a group or locked here,
* the plugin will get a proper error message when it tries to
* merge the shadow tiles, which is much better than just
* killing it.
*/
buffer = gimp_drawable_get_shadow_buffer (drawable);
gimp_plug_in_cleanup_add_shadow (plug_in, drawable);
}
else
{
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"tried writing to a locked drawable %d (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file),
tile_info->drawable_ID);
gimp_plug_in_close (plug_in, TRUE);
return;
}
else if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"tried writing to a group layer %d (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file),
tile_info->drawable_ID);
gimp_plug_in_close (plug_in, TRUE);
return;
}
buffer = gimp_drawable_get_buffer (drawable);
}
if (! gimp_gegl_buffer_get_tile_rect (buffer,
GIMP_PLUG_IN_TILE_WIDTH,
GIMP_PLUG_IN_TILE_HEIGHT,
tile_info->tile_num,
&tile_rect))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"Plug-In \"%s\"\n(%s)\n\n"
"requested invalid tile (killing)",
gimp_object_get_name (plug_in),
gimp_file_get_utf8_name (plug_in->file));
gimp_plug_in_close (plug_in, TRUE);
return;
}
format = gegl_buffer_get_format (buffer);
if (! gimp_plug_in_precision_enabled (plug_in))
{
format = gimp_babl_compat_u8_format (format);
}
if (tile_data.use_shm)
{
gegl_buffer_set (buffer, &tile_rect, 0, format,
gimp_plug_in_shm_get_addr (plug_in->manager->shm),
GEGL_AUTO_ROWSTRIDE);
}
else
{
gegl_buffer_set (buffer, &tile_rect, 0, format,
tile_info->data,
GEGL_AUTO_ROWSTRIDE);
}
gimp_wire_destroy (&msg);
if (! gp_tile_ack_write (plug_in->my_write, plug_in))
{
gimp_message (plug_in->manager->gimp, NULL, GIMP_MESSAGE_ERROR,
"%s: ERROR", G_STRFUNC);
gimp_plug_in_close (plug_in, TRUE);
return;
}
}