Removed most of the image id system. They're still used with pdb.

	At quick glance, nothing seems to be broken, but if things weird
	out, blame me.

	Now just the same for layers, channels and displays...

ChangeLog

+Mon Jun 29 03:14:14 EEST 1998  Lauri Alanko  <nether@gimp.org>
+
+
+	* app/airbrush.c app/bezier_select.c app/by_color_select.c:
+ 	* app/channel.c app/channel.h app/channel_cmds.c app/channel_ops.c:
+ 	* app/channel_ops.h app/channels_dialog.c app/commands.c:
+ 	* app/convert.c app/convert.h app/convolve.c app/crop.c:
+ 	* app/drawable.c app/drawable.h app/drawable_pvt.h:
+ 	* app/ellipse_select.c app/file_new_dialog.c app/fileops.c:
+ 	* app/fileops.h app/floating_sel.c app/free_select.c:
+ 	* app/fuzzy_select.c app/gdisplay.c app/gdisplay.h app/gimage.c:
+ 	* app/gimage_cmds.c app/gimage_mask.c app/gimpimage.c:
+ 	* app/gimpimage.h app/gimpimageF.h app/gimpobject.c app/gimpobject.h:
+ 	* app/indexed_palette.c app/indexed_palette.h app/ink.c:
+ 	* app/iscissors.c app/layer.c app/layer.h app/layer_cmds.c:
+ 	* app/layers_dialog.c app/layers_dialog.h app/layers_dialogP.h:
+ 	* app/move.c app/paint_core.c app/paint_funcs.c app/paint_funcs.h:
+ 	* app/preferences_dialog.c app/rect_select.c app/text_tool.c:
+ 	* app/transform_core.c app/undo.c app/xcf.c:
+
+	Removed most of the image id system. They're still used with pdb.
+	At quick glance, nothing seems to be broken, but if things weird
+	out, blame me.
+
+	Now just the same for layers, channels and displays...
+	
+
 Sun Jun 28 10:08:53 PDT 1998 Manish Singh <yosh@gimp.org>
 
 	* plug-ins/ps/ps.c: don't use app private includes

app/actions/help-commands.c

@@ -983,9 +983,9 @@ dialogs_lc_cmd_callback (GtkWidget *widget,
   gdisp = gdisplay_active ();
 
   if (gdisp == NULL) 
-    lc_dialog_create (-1);
+    lc_dialog_create (NULL);
   else
-    lc_dialog_create (gdisp->gimage->ID);
+    lc_dialog_create (gdisp->gimage);
 }
 
 void
@@ -996,7 +996,7 @@ dialogs_indexed_palette_cmd_callback (GtkWidget *widget,
 
   gdisp = gdisplay_active ();
 
-  indexed_palette_create (gdisp->gimage->ID);
+  indexed_palette_create (gdisp->gimage);
 }
 
 void

app/airbrush.c

@@ -27,6 +27,7 @@
 #include "airbrush.h"
 #include "selection.h"
 #include "tools.h"
+#include "gimage.h"
 
 typedef struct _AirbrushTimeout AirbrushTimeout;
 

app/bezier_select.c

@@ -1319,7 +1319,7 @@ bezier_convert (BezierSelect *bezier_sel,
     }
 
   /* create a new mask */
-  bezier_sel->mask = channel_ref (channel_new_mask (gdisp->gimage->ID, 
+  bezier_sel->mask = channel_ref (channel_new_mask (gdisp->gimage, 
 						    gdisp->gimage->width,
 						    gdisp->gimage->height));
 

app/by_color_select.c

@@ -198,7 +198,7 @@ by_color_select_color (GImage        *gimage,
   }
 
   alpha = bytes - 1;
-  mask = channel_new_mask (gimage->ID, width, height);
+  mask = channel_new_mask (gimage, width, height);
   pixel_region_init (&maskPR, drawable_data (GIMP_DRAWABLE(mask)), 
 		     0, 0, width, height, TRUE);
 

app/channel.c

@@ -117,7 +117,7 @@ channel_validate (TileManager *tm, Tile *tile, int level)
 
 
 Channel *
-channel_new (int gimage_ID, int width, int height, char *name, int opacity,
+channel_new (GimpImage* gimage, int width, int height, char *name, int opacity,
 	     unsigned char *col)
 {
   Channel * channel;
@@ -126,7 +126,7 @@ channel_new (int gimage_ID, int width, int height, char *name, int opacity,
   channel = gtk_type_new (gimp_channel_get_type ());
 
   gimp_drawable_configure (GIMP_DRAWABLE(channel), 
-			   gimage_ID, width, height, GRAY_GIMAGE, name);
+			   gimage, width, height, GRAY_GIMAGE, name);
 
   /*  set the channel color and opacity  */
   for (i = 0; i < 3; i++)
@@ -177,7 +177,7 @@ channel_copy (Channel *channel)
   sprintf (channel_name, "%s copy", GIMP_DRAWABLE(channel)->name);
 
   /*  allocate a new channel object  */
-  new_channel = channel_new (GIMP_DRAWABLE(channel)->gimage_ID, 
+  new_channel = channel_new (GIMP_DRAWABLE(channel)->gimage, 
 			     GIMP_DRAWABLE(channel)->width, 
 			     GIMP_DRAWABLE(channel)->height, 
 			     channel_name, channel->opacity, channel->col);
@@ -260,7 +260,7 @@ channel_scale (Channel *channel, int new_width, int new_height)
   scale_region (&srcPR, &destPR);
 
   /*  Push the channel on the undo stack  */
-  undo_push_channel_mod (gimage_get_ID (GIMP_DRAWABLE(channel)->gimage_ID), channel);
+  undo_push_channel_mod (GIMP_DRAWABLE(channel)->gimage, channel);
 
   /*  Configure the new channel  */
   GIMP_DRAWABLE(channel)->tiles = new_tiles;
@@ -348,7 +348,7 @@ channel_resize (Channel *channel, int new_width, int new_height,
     copy_region (&srcPR, &destPR);
 
   /*  Push the channel on the undo stack  */
-  undo_push_channel_mod (gimage_get_ID (GIMP_DRAWABLE(channel)->gimage_ID), channel);
+  undo_push_channel_mod (GIMP_DRAWABLE(channel)->gimage, channel);
 
   /*  Configure the new channel  */
   GIMP_DRAWABLE(channel)->tiles = new_tiles;
@@ -430,14 +430,10 @@ channel_preview (Channel *channel, int width, int height)
 
 
 void
-channel_invalidate_previews (int gimage_id)
+channel_invalidate_previews (GimpImage* gimage)
 {
   GSList * tmp;
   Channel * channel;
-  GImage * gimage;
-
-  if (! (gimage = gimage_get_ID (gimage_id)))
-    return;
 
   tmp = gimage->channels;
 
@@ -455,13 +451,13 @@ channel_invalidate_previews (int gimage_id)
 
 
 Channel *
-channel_new_mask (int gimage_ID, int width, int height)
+channel_new_mask (GimpImage* gimage, int width, int height)
 {
   unsigned char black[3] = {0, 0, 0};
   Channel *new_channel;
 
   /*  Create the new channel  */
-  new_channel = channel_new (gimage_ID, width, height, "Selection Mask", 127, black);
+  new_channel = channel_new (gimage, width, height, "Selection Mask", 127, black);
 
   /*  Set the validate procedure  */
   tile_manager_set_validate_proc (GIMP_DRAWABLE(new_channel)->tiles, channel_validate);
@@ -1100,7 +1096,7 @@ channel_push_undo (Channel *mask)
   mask_undo->y = y1;
 
   /* push the undo buffer onto the undo stack */
-  gimage = gimage_get_ID (GIMP_DRAWABLE(mask)->gimage_ID);
+  gimage = GIMP_DRAWABLE(mask)->gimage;
   undo_push_mask (gimage, mask_undo);
   gimage_mask_invalidate (gimage);
 
@@ -1373,7 +1369,7 @@ channel_translate (Channel *mask, int off_x, int off_y)
       /*  copy the portion of the mask we will keep to a
        *  temporary buffer
        */
-      tmp_mask = channel_new_mask (GIMP_DRAWABLE(mask)->gimage_ID, width, height);
+      tmp_mask = channel_new_mask (GIMP_DRAWABLE(mask)->gimage, width, height);
 
       pixel_region_init (&srcPR, GIMP_DRAWABLE(mask)->tiles, x1 - off_x, y1 - off_y, width, height, FALSE);
       pixel_region_init (&destPR, GIMP_DRAWABLE(tmp_mask)->tiles, 0, 0, width, height, TRUE);

app/channel.h

@@ -23,6 +23,7 @@
 #include "boundary.h"
 #include "temp_buf.h"
 #include "tile_manager.h"
+#include "gimpimageF.h"
 
 /* OPERATIONS */
 
@@ -74,7 +75,7 @@ struct _mask_undo
 
 /* function declarations */
 
-Channel *       channel_new (int, int, int, char *, int, unsigned char *);
+Channel *       channel_new (GimpImage*, int, int, char *, int, unsigned char *);
 Channel *       channel_copy (Channel *);
 Channel *	channel_ref (Channel *);
 void   		channel_unref (Channel *);
@@ -90,11 +91,11 @@ unsigned char * channel_data (Channel *);
 int             channel_toggle_visibility (Channel *);
 TempBuf *       channel_preview (Channel *, int, int);
 
-void            channel_invalidate_previews (int);
+void            channel_invalidate_previews (GimpImage*);
 
 /* selection mask functions  */
 
-Channel *       channel_new_mask        (int, int, int);
+Channel *       channel_new_mask        (GimpImage*, int, int);
 int             channel_boundary        (Channel *, BoundSeg **, BoundSeg **,
 					 int *, int *, int, int, int, int);
 int             channel_bounds          (Channel *, int *, int *, int *, int *);

app/channel_cmds.c

@@ -84,7 +84,7 @@ channel_new_invoker (Argument *args)
     }
 
   if (success)
-    success = ((channel = channel_new (gimage_id, width, height, name, opacity, color)) != NULL);
+    success = ((channel = channel_new (gimage_get_ID(gimage_id), width, height, name, opacity, color)) != NULL);
 
   return_args = procedural_db_return_args (&channel_new_proc, success);
 

app/channel_ops.c

@@ -44,7 +44,7 @@ typedef struct
   int        wrap_around;
   int        transparent;
   int        background;
-  int        gimage_id;
+  GimpImage*        gimage;
 
 } OffsetDialog;
 
@@ -76,7 +76,7 @@ static Argument * channel_ops_offset_invoker     (Argument *args);
 
 
 void
-channel_ops_offset (void *gimage_ptr)
+channel_ops_offset (GimpImage* gimage)
 {
   OffsetDialog *off_d;
   GtkWidget *button;
@@ -89,16 +89,14 @@ channel_ops_offset (void *gimage_ptr)
   GtkWidget *table;
   GSList *group = NULL;
   GimpDrawable *drawable;
-  GImage *gimage;
 
-  gimage = (GImage *) gimage_ptr;
   drawable = gimage_active_drawable (gimage);
 
   off_d = g_new (OffsetDialog, 1);
   off_d->wrap_around = TRUE;
   off_d->transparent = drawable_has_alpha (drawable);
   off_d->background = !off_d->transparent;
-  off_d->gimage_id = gimage->ID;
+  off_d->gimage = gimage;
 
   off_d->dlg = gtk_dialog_new ();
   gtk_window_set_wmclass (GTK_WINDOW (off_d->dlg), "offset", "Gimp");
@@ -458,7 +456,7 @@ offset_ok_callback (GtkWidget *widget,
   int fill_type;
 
   off_d = (OffsetDialog *) data;
-  if ((gimage = gimage_get_ID (off_d->gimage_id)) != NULL)
+  if ((gimage = off_d->gimage) != NULL)
     {
       drawable = gimage_active_drawable (gimage);
 
@@ -538,7 +536,7 @@ offset_halfheight_update (GtkWidget *widget,
   gchar buffer[16];
 
   off_d = (OffsetDialog *) data;
-  gimage = gimage_get_ID (off_d->gimage_id);
+  gimage = off_d->gimage;
 
   sprintf (buffer, "%d", gimage->width / 2);
   gtk_entry_set_text (GTK_ENTRY (off_d->off_x_entry), buffer);

app/channel_ops.h

@@ -19,9 +19,10 @@
 #define __CHANNEL_OPS_H__
 
 #include "procedural_db.h"
+#include "gimpimageF.h"
 
 /*  channel_ops functions  */
-void  channel_ops_offset    (void *);
+void  channel_ops_offset    (GimpImage*);
 
 /*  Procedure definition and marshalling function  */
 extern ProcRecord channel_ops_offset_proc;

app/channels_dialog.c

@@ -102,7 +102,7 @@ struct _ChannelsDialog {
   int gimage_width, gimage_height;
 
   /*  state information  */
-  int gimage_id;
+  GimpImage* gimage;
   Channel * active_channel;
   Layer *floating_sel;
   GSList *channel_widgets;
@@ -142,7 +142,7 @@ static void channel_widget_exclusive_visible (ChannelWidget *);
 static void channel_widget_channel_flush (GtkWidget *, gpointer);
 
 /*  assorted query dialogs  */
-static void channels_dialog_new_channel_query (int);
+static void channels_dialog_new_channel_query (GimpImage*);
 static void channels_dialog_edit_channel_query (ChannelWidget *);
 
 
@@ -200,7 +200,7 @@ channels_dialog_create ()
     {
       channelsD = g_malloc (sizeof (ChannelsDialog));
       channelsD->preview = NULL;
-      channelsD->gimage_id = -1;
+      channelsD->gimage = NULL;
       channelsD->active_channel = NULL;
       channelsD->floating_sel = NULL;
       channelsD->channel_widgets = NULL;
@@ -273,7 +273,7 @@ channels_dialog_flush ()
   if (!channelsD)
     return;
 
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   /*  Check if the gimage extents have changed  */
@@ -281,8 +281,8 @@ channels_dialog_flush ()
       (gimage->height != channelsD->gimage_height) ||
       (gimage_base_type (gimage) != channelsD->base_type))
     {
-      channelsD->gimage_id = -1;
-      channels_dialog_update (gimage->ID);
+      channelsD->gimage = NULL;
+      channels_dialog_update (gimage);
     }
 
   /*  Set all current channel widgets to visited = FALSE  */
@@ -357,21 +357,20 @@ channels_dialog_flush ()
 /*************************************/
 
 void
-channels_dialog_update (int gimage_id)
+channels_dialog_update (GimpImage* gimage)
 {
   ChannelWidget *cw;
-  GImage *gimage;
   Channel *channel;
   GSList *list;
   GList *item_list;
 
   if (!channelsD)
     return;
-  if (channelsD->gimage_id == gimage_id)
+  if (channelsD->gimage == gimage)
     return;
 
-  channelsD->gimage_id = gimage_id;
-
+  channelsD->gimage=gimage;
+  
   suspend_gimage_notify++;
   /*  Free all elements in the channels listbox  */
   gtk_list_clear_items (GTK_LIST (channelsD->channel_list), 0, -1);
@@ -386,9 +385,6 @@ channels_dialog_update (int gimage_id)
     }
   channelsD->channel_widgets = NULL;
 
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
-    return;
-
   /*  Find the preview extents  */
   channels_dialog_preview_extents ();
 
@@ -506,10 +502,9 @@ channels_dialog_preview_extents ()
 {
   GImage *gimage;
 
-  if (! channelsD)
-    return;
-
-  gimage = gimage_get_ID (channelsD->gimage_id);
+  g_return_if_fail(channelsD);
+  g_return_if_fail(gimage = channelsD->gimage);
+  
   channelsD->gimage_width = gimage->width;
   channelsD->gimage_height = gimage->height;
 
@@ -713,7 +708,7 @@ channels_dialog_add_channel (Channel *channel)
 
   if (!channelsD || !channel)
     return;
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   item_list = NULL;
@@ -853,10 +848,10 @@ channels_dialog_new_channel_callback (GtkWidget *w,
    */
   if (!channelsD)
     return;
-  if (channelsD->gimage_id == -1)
+  if (channelsD->gimage == NULL)
     return;
 
-  channels_dialog_new_channel_query (channelsD->gimage_id);
+  channels_dialog_new_channel_query (channelsD->gimage);
 }
 
 
@@ -868,7 +863,7 @@ channels_dialog_raise_channel_callback (GtkWidget *w,
 
   if (!channelsD)
     return;
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   if (gimage->active_channel != NULL)
@@ -887,7 +882,7 @@ channels_dialog_lower_channel_callback (GtkWidget *w,
 
   if (!channelsD)
     return;
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   if (gimage->active_channel != NULL)
@@ -910,7 +905,7 @@ channels_dialog_duplicate_channel_callback (GtkWidget *w,
    */
   if (!channelsD)
     return;
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   if ((active_channel = gimage_get_active_channel (gimage)))
@@ -932,7 +927,7 @@ channels_dialog_delete_channel_callback (GtkWidget *w,
    */
   if (!channelsD)
     return;
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   if (gimage->active_channel != NULL)
@@ -953,7 +948,7 @@ channels_dialog_channel_to_sel_callback (GtkWidget *w,
    */
   if (!channelsD)
     return;
-  if (! (gimage = gimage_get_ID (channelsD->gimage_id)))
+  if (! (gimage = channelsD->gimage))
     return;
 
   if (gimage->active_channel != NULL)
@@ -1222,12 +1217,12 @@ channel_widget_button_events (GtkWidget *widget,
 	{
 	  if (exclusive)
 	    {
-	      gdisplays_update_area (channel_widget->gimage->ID, 0, 0, width, height);
+	      gdisplays_update_area (channel_widget->gimage, 0, 0, width, height);
 	      gdisplays_flush ();
 	    }
 	  else if (old_state != visible)
 	    {
-	      gdisplays_update_area (channel_widget->gimage->ID, 0, 0, width, height);
+	      gdisplays_update_area (channel_widget->gimage, 0, 0, width, height);
 	      gdisplays_flush ();
 	    }
 	}
@@ -1701,7 +1696,7 @@ struct _NewChannelOptions {
   GtkWidget *name_entry;
   ColorPanel *color_panel;
 
-  int gimage_id;
+  GimpImage* gimage;
   double opacity;
 };
 
@@ -1722,9 +1717,9 @@ new_channel_query_ok_callback (GtkWidget *w,
     g_free (channel_name);
   channel_name = g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry)));
 
-  if ((gimage = gimage_get_ID (options->gimage_id)))
+  if ((gimage = options->gimage))
     {
-      new_channel = channel_new (gimage->ID, gimage->width, gimage->height,
+      new_channel = channel_new (gimage, gimage->width, gimage->height,
 				 channel_name, (int) (255 * options->opacity) / 100,
 				 options->color_panel->color);
       drawable_fill (GIMP_DRAWABLE(new_channel), TRANSPARENT_FILL);
@@ -1771,14 +1766,13 @@ new_channel_query_scale_update (GtkAdjustment *adjustment,
 }
 
 static void
-channels_dialog_new_channel_query (int gimage_id)
+channels_dialog_new_channel_query (GimpImage* gimage)
 {
   static ActionAreaItem action_items[2] =
   {
     { "OK", new_channel_query_ok_callback, NULL, NULL },
     { "Cancel", new_channel_query_cancel_callback, NULL, NULL }
   };
-  GImage *gimage;
   NewChannelOptions *options;
   GtkWidget *vbox;
   GtkWidget *table;
@@ -1786,11 +1780,9 @@ channels_dialog_new_channel_query (int gimage_id)
   GtkWidget *opacity_scale;
   GtkObject *opacity_scale_data;
 
-  gimage = gimage_get_ID (gimage_id);
-
   /*  the new options structure  */
   options = (NewChannelOptions *) g_malloc (sizeof (NewChannelOptions));
-  options->gimage_id = gimage_id;
+  options->gimage = gimage;
   options->opacity = 50.0;
   options->color_panel = color_panel_new (channel_color, 48, 64);
 
@@ -1872,7 +1864,7 @@ struct _EditChannelOptions {
   GtkWidget *name_entry;
 
   ChannelWidget *channel_widget;
-  int gimage_id;
+  GimpImage* gimage;
   ColorPanel *color_panel;
   double opacity;
 };
@@ -1892,7 +1884,7 @@ edit_channel_query_ok_callback (GtkWidget *w,
   opacity = (int) (255 * options->opacity) / 100;
 
 
-  if (gimage_get_ID (options->gimage_id)) {
+  if (options->gimage) {
     
     /*  Set the new channel name  */
     if (GIMP_DRAWABLE(channel)->name)
@@ -1966,7 +1958,7 @@ channels_dialog_edit_channel_query (ChannelWidget *channel_widget)
   /*  the new options structure  */
   options = (EditChannelOptions *) g_malloc (sizeof (EditChannelOptions));
   options->channel_widget = channel_widget;
-  options->gimage_id = channel_widget->gimage->ID;
+  options->gimage = channel_widget->gimage;
   options->opacity = (double) channel_widget->channel->opacity / 2.55;
   for (i = 0; i < 3; i++) 
     channel_color[i] =  channel_widget->channel->col[i];

app/commands.c

@@ -983,9 +983,9 @@ dialogs_lc_cmd_callback (GtkWidget *widget,
   gdisp = gdisplay_active ();
 
   if (gdisp == NULL) 
-    lc_dialog_create (-1);
+    lc_dialog_create (NULL);
   else
-    lc_dialog_create (gdisp->gimage->ID);
+    lc_dialog_create (gdisp->gimage);
 }
 
 void
@@ -996,7 +996,7 @@ dialogs_indexed_palette_cmd_callback (GtkWidget *widget,
 
   gdisp = gdisplay_active ();
 
-  indexed_palette_create (gdisp->gimage->ID);
+  indexed_palette_create (gdisp->gimage);
 }
 
 void

app/convert.c

@@ -196,9 +196,7 @@ typedef struct
 typedef struct
 {
   GtkWidget *  shell;
-  void *       gimage_ptr;
-
-  int          gimage_ID;
+  GimpImage*   gimage;
   int          dither;
   int          num_cols;
   int          palette;
@@ -241,21 +239,15 @@ static void palette_entries_callback(GtkWidget *w, gpointer client_data);
 static PaletteEntriesP theCustomPalette = NULL;
 
 void
-convert_to_rgb (void *gimage_ptr)
+convert_to_rgb (GimpImage *gimage)
 {
-  GImage *gimage;
-
-  gimage = (GImage *) gimage_ptr;
   convert_image (gimage, RGB, 0, 0, 0);
   gdisplays_flush ();
 }
 
 void
-convert_to_grayscale (void *gimage_ptr)
+convert_to_grayscale (GimpImage* gimage)
 {
-  GImage *gimage;
-
-  gimage = (GImage *) gimage_ptr;
   convert_image (gimage, GRAY, 0, 0, 0);
   gdisplays_flush ();
 }
@@ -268,9 +260,8 @@ static ActionAreaItem action_items[] =
 };
 
 void
-convert_to_indexed (void *gimage_ptr)
+convert_to_indexed (GimpImage *gimage)
 {
-  GImage *gimage;
   IndexedDialog *dialog;
   GtkWidget *vbox;
   GtkWidget *hbox;
@@ -281,10 +272,8 @@ convert_to_indexed (void *gimage_ptr)
   GSList *group = NULL;
   static gboolean shown_message_already = False;
 
-  gimage = (GImage *) gimage_ptr;
-  dialog = (IndexedDialog *) g_malloc (sizeof (IndexedDialog));
-  dialog->gimage_ptr = gimage_ptr;
-  dialog->gimage_ID = gimage->ID;
+  dialog = g_new(IndexedDialog, 1);
+  dialog->gimage = gimage;
   dialog->num_cols = 256;
   dialog->dither = TRUE;
 
@@ -529,12 +518,9 @@ indexed_ok_callback (GtkWidget *widget,
         else
           palette_type = REUSE_PALETTE;
   /*  Convert the image to indexed color  */
-  if (gimage_get_ID (dialog->gimage_ID))
-    {
-      convert_image ((GImage *) dialog->gimage_ptr, INDEXED, dialog->num_cols,
-		     dialog->dither, palette_type);
-      gdisplays_flush ();
-    }
+  convert_image (dialog->gimage, INDEXED, dialog->num_cols,
+		 dialog->dither, palette_type);
+  gdisplays_flush ();
 
   gtk_widget_destroy (dialog->shell);
   g_free (dialog);
@@ -794,10 +780,10 @@ convert_image (GImage *gimage,
   undo_push_group_end (gimage);
 
   /*  shrink wrap and update all views  */
-  layer_invalidate_previews (gimage->ID);
+  layer_invalidate_previews (gimage);
   gimage_invalidate_preview (gimage);
-  gdisplays_update_title (gimage->ID);
-  gdisplays_update_full (gimage->ID);
+  gdisplays_update_title (gimage);
+  gdisplays_update_full (gimage);