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# PDB equivalence
A table of old PDB calls, and their equivalents in the GIMP 3.0+ world.
This document is a work in progress. Feel free to add to it.
## Undo/Context
| Removed function | Replacement |
| -------------------------------- | ----------------------------
| gimp_undo_push_group_start | image.undo_group_start() |
| gimp_undo_push_group_end | image.undo_group_end() |
| gimp.context_push() | Gimp.context_push() |
| gimp.context_push() | Gimp.context_push() |
| gimp_context_get_background | Gimp.context_get_background
| gimp_context_set_background | Gimp.context_set_background
## File load/save
| Removed function | Replacement |
| -------------------------------- | ----------------------------
| gimp_file_load | Gimp.file_load |
| gimp_file_save | Gimp.file_save |
## Selection operations
Selection operations are now in the Gimp.Selection class (except
a few in the Image class). E.g.
| Removed function | Replacement |
| -------------------------------- | ----------------------------
| pdb.gimp_selection_invert(img) | Gimp.Selection.invert(img) |
| pdb.gimp_selection_none(img) | Gimp.Selection.none(img) |
| pdb.gimp_selection_layer_alpha(layer) | img.select_item(Gimp.ChannelOps.REPLACE, layer) |
| gimp_image_select_item | img.select_item(channel_op, layer) |
## Filling and Masks
| Removed function | Replacement |
| -------------------------------- | ----------------------------
| Gimp.drawable_fill() | layer.fill() |
| pdb.gimp_edit_fill(FILL_BACKGROUND) | layer.edit_fill(Gimp.FillType.BACKGROUND) |
| gimp_layer_add_mask | layer.add_mask
| gimp_layer_remove_mask | layer.remove_mask
## Miscellaneous and Non-PDB Calls
| Removed function | Replacement |
| -------------------------------- | ----------------------------
| gimp_displays_flush | Gimp.displays_flush
| gimp_image_insert_layer | image.insert_layer
## Plug-ins
Calling other plug-ins is trickier than before. The old
```
pdb.script_fu_drop_shadow(img, layer, -3, -3, blur,
(0, 0, 0), 80.0, False)
```
becomes
```
c = Gegl.Color.new("black")
c.set_rgba(0.94, 0.71, 0.27, 1.0)
Gimp.get_pdb().run_procedure('script-fu-drop-shadow',
[ Gimp.RunMode.NONINTERACTIVE,
GObject.Value(Gimp.Image, img),
GObject.Value(Gimp.Drawable, layer),
GObject.Value(GObject.TYPE_DOUBLE, -3),
GObject.Value(GObject.TYPE_DOUBLE, -3),
GObject.Value(GObject.TYPE_DOUBLE,blur),
c,
GObject.Value(GObject.TYPE_DOUBLE, 80.0),
GObject.Value(GObject.TYPE_BOOLEAN, False)
])
```
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