Renamed gimage->ref_count to disp_count and slightly changed
the way it is used. As the new name suggests it is only used to count the number of displays associated with an image. It is now impossible to delete an image that has an associated display. You have to delete the display instead. Before this change it was possible to delete an image through the PDB that was created through the UI and bad things happened soon... --Sven
This commit is contained in:
Sven Neumann
parent
d365b12c1a
commit
bceb97a993
19 changed files with 99 additions and 64 deletions
19
ChangeLog
19
ChangeLog
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@ -1,3 +1,22 @@
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Sun Jan 23 14:33:57 CET 2000 Sven Neumann <sven@gimp.org>
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* app/gdisplay.c
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* app/gdisplay_ops.c
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* app/gimage.c
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* app/gimpimage.c
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* app/gimpimageP.h: Renamed gimage->ref_count to disp_count and
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slightly changed the way it is used. As the new name suggests it
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is only used to count the number of displays associated with an
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image. It is now impossible to delete an image that has an
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associated display. You have to delete the display instead. Before
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this change it was possible to delete an image through the PDB that
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was created through the UI and bad things happened soon...
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* app/gimage_cmds.c
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* tools/pdbgen/pdb/gimage.pdb: Changed the help for gimp_image_delete
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so it explains better what actually happens. The old help was quite
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misleading.
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Sat Jan 22 22:14:18 GMT 2000 Austin Donnelly <austin@gimp.org>
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* MAINTAINERS: update my entry.
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
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gimage->has_filename = FALSE;
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gimage->num_cols = 0;
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gimage->cmap = NULL;
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/* ID and ref_count handled in gimage.c */
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gimage->disp_count = 0;
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gimage->instance_count = 0;
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gimage->shadow = NULL;
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gimage->dirty = 1;
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gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
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gimage->undo_on = TRUE;
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gimage->construct_flag = -1;
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gimage->tattoo_state = 0;
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@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
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/* Push the undo--Important to do it here, AFTER the call
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* to layer_apply_mask, in case the undo push fails and the
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* mask is delete : NULL)d
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* mask is deleted
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*/
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undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
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@ -161,17 +161,17 @@ gdisplay_new (GimpImage *gimage,
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/* set the current tool cursor */
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gdisplay_install_tool_cursor (gdisp, default_gdisplay_cursor);
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gimage->instance_count++;
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gimage->ref_count++;
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gimage->instance_count++; /* this is obsolete */
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gimage->disp_count++;
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lc_dialog_preview_update(gimage);
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/* We're interested in clean and dirty signals so we can update the
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* title if need be. */
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gtk_signal_connect (GTK_OBJECT (gimage), "dirty",
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GTK_SIGNAL_FUNC(gdisplay_cleandirty_handler), gdisp);
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GTK_SIGNAL_FUNC (gdisplay_cleandirty_handler), gdisp);
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gtk_signal_connect (GTK_OBJECT (gimage), "clean",
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GTK_SIGNAL_FUNC(gdisplay_cleandirty_handler), gdisp);
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GTK_SIGNAL_FUNC (gdisplay_cleandirty_handler), gdisp);
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return gdisp;
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}
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@ -363,13 +363,14 @@ gdisplay_delete (GDisplay *gdisp)
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info_window_free (gdisp->window_info_dialog);
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/* Remove navigation dialog */
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nav_window_free(gdisp,gdisp->window_nav_dialog);
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nav_window_free (gdisp, gdisp->window_nav_dialog);
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/* free the gimage */
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gdisp->gimage->disp_count--;
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gimage_delete (gdisp->gimage);
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if (gdisp->nav_popup)
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nav_popup_free(gdisp->nav_popup);
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nav_popup_free (gdisp->nav_popup);
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gtk_widget_unref (gdisp->shell);
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@ -2176,9 +2177,9 @@ gdisplays_check_valid (GDisplay *gtest,
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while (list)
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{
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gdisp = (GDisplay *) list->data;
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if(gdisp == gtest)
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if (gdisp == gtest)
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return (gtest);
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if(!gdisp_found && gdisp->gimage == gimage)
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if (!gdisp_found && gdisp->gimage == gimage)
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gdisp_found = gdisp;
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list = g_slist_next (list);
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}
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@ -2250,11 +2251,12 @@ gdisplay_reconnect (GDisplay *gdisp,
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}
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gtk_signal_disconnect_by_data (GTK_OBJECT (gdisp->gimage), gdisp);
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gdisp->gimage->disp_count--;
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gimage_delete (gdisp->gimage);
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instance = gimage->instance_count;
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gimage->instance_count++;
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gimage->ref_count++;
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gimage->disp_count++;
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gdisp->gimage = gimage;
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gdisp->instance = instance;
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@ -113,9 +113,9 @@ gdisplay_close_window (GDisplay *gdisp,
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{
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/* If the image has been modified, give the user a chance to save
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* it before nuking it--this only applies if its the last view
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* to an image canvas. (a gimage with ref_count = 1)
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* to an image canvas. (a gimage with disp_count = 1)
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*/
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if (!kill_it && (gdisp->gimage->ref_count == 1) &&
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if (!kill_it && (gdisp->gimage->disp_count == 1) &&
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gdisp->gimage->dirty && confirm_on_close)
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{
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gdisplay_close_warning_dialog
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@ -161,17 +161,17 @@ gdisplay_new (GimpImage *gimage,
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/* set the current tool cursor */
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gdisplay_install_tool_cursor (gdisp, default_gdisplay_cursor);
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gimage->instance_count++;
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gimage->ref_count++;
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gimage->instance_count++; /* this is obsolete */
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gimage->disp_count++;
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lc_dialog_preview_update(gimage);
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/* We're interested in clean and dirty signals so we can update the
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* title if need be. */
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gtk_signal_connect (GTK_OBJECT (gimage), "dirty",
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GTK_SIGNAL_FUNC(gdisplay_cleandirty_handler), gdisp);
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GTK_SIGNAL_FUNC (gdisplay_cleandirty_handler), gdisp);
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gtk_signal_connect (GTK_OBJECT (gimage), "clean",
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GTK_SIGNAL_FUNC(gdisplay_cleandirty_handler), gdisp);
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GTK_SIGNAL_FUNC (gdisplay_cleandirty_handler), gdisp);
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return gdisp;
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}
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@ -363,13 +363,14 @@ gdisplay_delete (GDisplay *gdisp)
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info_window_free (gdisp->window_info_dialog);
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/* Remove navigation dialog */
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nav_window_free(gdisp,gdisp->window_nav_dialog);
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nav_window_free (gdisp, gdisp->window_nav_dialog);
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/* free the gimage */
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gdisp->gimage->disp_count--;
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gimage_delete (gdisp->gimage);
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if (gdisp->nav_popup)
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nav_popup_free(gdisp->nav_popup);
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nav_popup_free (gdisp->nav_popup);
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gtk_widget_unref (gdisp->shell);
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@ -2176,9 +2177,9 @@ gdisplays_check_valid (GDisplay *gtest,
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while (list)
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{
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gdisp = (GDisplay *) list->data;
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if(gdisp == gtest)
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if (gdisp == gtest)
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return (gtest);
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if(!gdisp_found && gdisp->gimage == gimage)
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if (!gdisp_found && gdisp->gimage == gimage)
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gdisp_found = gdisp;
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list = g_slist_next (list);
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}
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@ -2250,11 +2251,12 @@ gdisplay_reconnect (GDisplay *gdisp,
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}
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gtk_signal_disconnect_by_data (GTK_OBJECT (gdisp->gimage), gdisp);
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gdisp->gimage->disp_count--;
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gimage_delete (gdisp->gimage);
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instance = gimage->instance_count;
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gimage->instance_count++;
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gimage->ref_count++;
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gimage->disp_count++;
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gdisp->gimage = gimage;
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gdisp->instance = instance;
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@ -161,17 +161,17 @@ gdisplay_new (GimpImage *gimage,
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/* set the current tool cursor */
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gdisplay_install_tool_cursor (gdisp, default_gdisplay_cursor);
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gimage->instance_count++;
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gimage->ref_count++;
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gimage->instance_count++; /* this is obsolete */
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gimage->disp_count++;
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lc_dialog_preview_update(gimage);
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/* We're interested in clean and dirty signals so we can update the
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* title if need be. */
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gtk_signal_connect (GTK_OBJECT (gimage), "dirty",
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GTK_SIGNAL_FUNC(gdisplay_cleandirty_handler), gdisp);
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GTK_SIGNAL_FUNC (gdisplay_cleandirty_handler), gdisp);
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gtk_signal_connect (GTK_OBJECT (gimage), "clean",
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GTK_SIGNAL_FUNC(gdisplay_cleandirty_handler), gdisp);
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GTK_SIGNAL_FUNC (gdisplay_cleandirty_handler), gdisp);
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return gdisp;
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}
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@ -363,13 +363,14 @@ gdisplay_delete (GDisplay *gdisp)
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info_window_free (gdisp->window_info_dialog);
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/* Remove navigation dialog */
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nav_window_free(gdisp,gdisp->window_nav_dialog);
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nav_window_free (gdisp, gdisp->window_nav_dialog);
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/* free the gimage */
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gdisp->gimage->disp_count--;
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gimage_delete (gdisp->gimage);
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if (gdisp->nav_popup)
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nav_popup_free(gdisp->nav_popup);
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nav_popup_free (gdisp->nav_popup);
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gtk_widget_unref (gdisp->shell);
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@ -2176,9 +2177,9 @@ gdisplays_check_valid (GDisplay *gtest,
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while (list)
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{
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gdisp = (GDisplay *) list->data;
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if(gdisp == gtest)
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if (gdisp == gtest)
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return (gtest);
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if(!gdisp_found && gdisp->gimage == gimage)
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if (!gdisp_found && gdisp->gimage == gimage)
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gdisp_found = gdisp;
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list = g_slist_next (list);
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}
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@ -2250,11 +2251,12 @@ gdisplay_reconnect (GDisplay *gdisp,
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}
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gtk_signal_disconnect_by_data (GTK_OBJECT (gdisp->gimage), gdisp);
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gdisp->gimage->disp_count--;
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gimage_delete (gdisp->gimage);
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instance = gimage->instance_count;
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gimage->instance_count++;
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gimage->ref_count++;
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gimage->disp_count++;
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gdisp->gimage = gimage;
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gdisp->instance = instance;
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@ -113,9 +113,9 @@ gdisplay_close_window (GDisplay *gdisp,
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{
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/* If the image has been modified, give the user a chance to save
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* it before nuking it--this only applies if its the last view
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* to an image canvas. (a gimage with ref_count = 1)
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* to an image canvas. (a gimage with disp_count = 1)
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*/
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if (!kill_it && (gdisp->gimage->ref_count == 1) &&
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if (!kill_it && (gdisp->gimage->disp_count == 1) &&
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gdisp->gimage->dirty && confirm_on_close)
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{
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gdisplay_close_warning_dialog
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10
app/gimage.c
10
app/gimage.c
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@ -69,15 +69,19 @@ gimage_get_ID (gint ID)
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}
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/* Ack! GImages have their own ref counts! This is going to cause
|
||||
/* Ack, GImages have their own ref counts! This is going to cause
|
||||
trouble.. It should be pretty easy to convert to proper GtkObject
|
||||
ref counting, though. */
|
||||
|
||||
/* This caused trouble indeed. The ref_count was only used by the
|
||||
displays showing the image, so I renamed it to disp_count to
|
||||
make clear that it should only be used for display references.
|
||||
(Sven, 23.01.2000) */
|
||||
|
||||
void
|
||||
gimage_delete (GImage *gimage)
|
||||
{
|
||||
gimage->ref_count--;
|
||||
if (gimage->ref_count <= 0)
|
||||
if (gimage->disp_count <= 0)
|
||||
gtk_object_unref (GTK_OBJECT (gimage));
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -471,7 +471,7 @@ static ProcRecord image_delete_proc =
|
|||
{
|
||||
"gimp_image_delete",
|
||||
"Delete the specified image.",
|
||||
"If there are no other references to this image it will be deleted. Other references are possible when more than one view to an image exists.",
|
||||
"If there are no displays associated with this image it will be deleted. This means that you can not delete an image through the PDB that was created by the user. If the associated display was however created through the PDB and you know the display ID, you may delete the display. Removal of the last associated display will then delete the image.",
|
||||
"Spencer Kimball & Peter Mattis",
|
||||
"Spencer Kimball & Peter Mattis",
|
||||
"1995-1996",
|
||||
|
|
|
|||
|
|
@ -165,10 +165,10 @@ gimp_image_init (GimpImage *gimage)
|
|||
gimage->has_filename = FALSE;
|
||||
gimage->num_cols = 0;
|
||||
gimage->cmap = NULL;
|
||||
/* ID and ref_count handled in gimage.c */
|
||||
gimage->disp_count = 0;
|
||||
gimage->instance_count = 0;
|
||||
gimage->shadow = NULL;
|
||||
gimage->dirty = 1;
|
||||
gimage->dirty = 1; /* Why is that? I doubt this is correct. --Sven */
|
||||
gimage->undo_on = TRUE;
|
||||
gimage->construct_flag = -1;
|
||||
gimage->tattoo_state = 0;
|
||||
|
|
@ -2868,7 +2868,7 @@ gimp_image_remove_layer_mask (GimpImage *gimage,
|
|||
|
||||
/* Push the undo--Important to do it here, AFTER the call
|
||||
* to layer_apply_mask, in case the undo push fails and the
|
||||
* mask is delete : NULL)d
|
||||
* mask is deleted
|
||||
*/
|
||||
undo_push_layer_mask (gimage, LAYER_MASK_REMOVE_UNDO, lmu);
|
||||
|
||||
|
|
|
|||
|
|
@ -53,7 +53,7 @@ struct _GimpImage
|
|||
gboolean undo_on; /* Is undo enabled? */
|
||||
|
||||
gint instance_count; /* number of instances */
|
||||
gint ref_count; /* number of references */
|
||||
gint disp_count; /* number of displays */
|
||||
|
||||
Tattoo tattoo_state; /* the next unique tattoo to use*/
|
||||
|
||||
|
|
|
|||
|
|
@ -328,8 +328,11 @@ sub image_delete {
|
|||
$blurb = 'Delete the specified image.';
|
||||
|
||||
$help = <<'HELP';
|
||||
If there are no other references to this image it will be deleted. Other
|
||||
references are possible when more than one view to an image exists.
|
||||
If there are no displays associated with this image it will be deleted.
|
||||
This means that you can not delete an image through the PDB that was
|
||||
created by the user. If the associated display was however created
|
||||
through the PDB and you know the display ID, you may delete the display.
|
||||
Removal of the last associated display will then delete the image.
|
||||
HELP
|
||||
|
||||
&std_pdb_misc;
|
||||
|
|
|
|||
|
|
@ -328,8 +328,11 @@ sub image_delete {
|
|||
$blurb = 'Delete the specified image.';
|
||||
|
||||
$help = <<'HELP';
|
||||
If there are no other references to this image it will be deleted. Other
|
||||
references are possible when more than one view to an image exists.
|
||||
If there are no displays associated with this image it will be deleted.
|
||||
This means that you can not delete an image through the PDB that was
|
||||
created by the user. If the associated display was however created
|
||||
through the PDB and you know the display ID, you may delete the display.
|
||||
Removal of the last associated display will then delete the image.
|
||||
HELP
|
||||
|
||||
&std_pdb_misc;
|
||||
|
|
|
|||
Loading…
Reference in a new issue