ef3e162eae
Started separating crud out of drawables. Isolated the id system of images entirely within pdb. Even the window titles and menus use pointers instead of ids. Should at least remind people that this is a developers' version. :)
151 lines
5.3 KiB
C
151 lines
5.3 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __LAYER_H__
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#define __LAYER_H__
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#include "drawable.h"
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#include "boundary.h"
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#include "channel.h"
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#include "temp_buf.h"
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#include "tile_manager.h"
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#define APPLY 0
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#define DISCARD 1
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typedef enum
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{
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WhiteMask,
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BlackMask,
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AlphaMask
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} AddMaskType;
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/* structure declarations */
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#define GIMP_TYPE_LAYER (gimp_layer_get_type ())
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#define GIMP_LAYER(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_LAYER, GimpLayer))
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#define GIMP_LAYER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_LAYER, GimpLayerClass))
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#define GIMP_IS_LAYER(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_LAYER))
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#define GIMP_IS_LAYER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_LAYER))
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#define GIMP_TYPE_LAYER_MASK (gimp_layer_mask_get_type ())
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#define GIMP_LAYER_MASK(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_LAYER_MASK, GimpLayerMask))
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#define GIMP_LAYER_MASK_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_LAYER_MASK, GimpLayerMaskClass))
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#define GIMP_IS_LAYER_MASK(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_LAYER_MASK))
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#define GIMP_IS_LAYER_MASK_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_LAYER_MASK))
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typedef struct _GimpLayer GimpLayer;
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typedef struct _GimpLayerClass GimpLayerClass;
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typedef struct _GimpLayerMask GimpLayerMask;
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typedef struct _GimpLayerMaskClass GimpLayerMaskClass;
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typedef GimpLayer Layer; /* convenience */
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typedef GimpLayerMask LayerMask; /* convenience */
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GtkType gimp_layer_get_type (void);
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GtkType gimp_layer_mask_get_type (void);
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/* Special undo types */
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typedef struct _layer_undo LayerUndo;
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struct _layer_undo
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{
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Layer * layer; /* the actual layer */
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int prev_position; /* former position in list */
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Layer * prev_layer; /* previous active layer */
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int undo_type; /* is this a new layer undo */
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/* or a remove layer undo? */
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};
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typedef struct _layer_mask_undo LayerMaskUndo;
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struct _layer_mask_undo
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{
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Layer * layer; /* the layer */
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int apply_mask; /* apply mask? */
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int edit_mask; /* edit mask or layer? */
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int show_mask; /* show the mask? */
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LayerMask *mask; /* the layer mask */
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int mode; /* the application mode */
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int undo_type; /* is this a new layer mask */
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/* or a remove layer mask */
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};
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typedef struct _fs_to_layer_undo FStoLayerUndo;
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struct _fs_to_layer_undo
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{
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Layer * layer; /* the layer */
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GimpDrawable * drawable; /* drawable of floating sel */
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};
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/* function declarations */
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Layer * layer_new (GimpImage*, int, int, int, char *, int, int);
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Layer * layer_copy (Layer *, int);
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Layer * layer_ref (Layer *);
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void layer_unref (Layer *);
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Layer * layer_from_tiles (void *, GimpDrawable *, TileManager *, char *, int, int);
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LayerMask * layer_add_mask (Layer *, LayerMask *);
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LayerMask * layer_create_mask (Layer *, AddMaskType);
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Layer * layer_get_ID (int);
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void layer_delete (Layer *);
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void layer_apply_mask (Layer *, int);
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void layer_translate (Layer *, int, int);
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void layer_add_alpha (Layer *);
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void layer_scale (Layer *, int, int, int);
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void layer_resize (Layer *, int, int, int, int);
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BoundSeg * layer_boundary (Layer *, int *);
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void layer_invalidate_boundary (Layer *);
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int layer_pick_correlate (Layer *, int, int);
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LayerMask * layer_mask_new (GimpImage*, int, int, char *,
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int, unsigned char *);
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LayerMask * layer_mask_copy (LayerMask *);
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void layer_mask_delete (LayerMask *);
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LayerMask * layer_mask_get_ID (int);
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LayerMask * layer_mask_ref (LayerMask *);
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void layer_mask_unref (LayerMask *);
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/* access functions */
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unsigned char * layer_data (Layer *);
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LayerMask * layer_mask (Layer *);
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int layer_has_alpha (Layer *);
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int layer_is_floating_sel (Layer *);
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int layer_linked (Layer *);
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TempBuf * layer_preview (Layer *, int, int);
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TempBuf * layer_mask_preview (Layer *, int, int);
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void layer_invalidate_previews (GimpImage*);
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/* temp thingies.. dynamic downcast. GTK_NO_CHECK_CASTS must not be
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defined */
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#define drawable_layer GIMP_IS_LAYER
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#define drawable_layer_mask GIMP_IS_LAYER_MASK
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/* from channel.c */
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void channel_layer_alpha (Channel *, Layer *);
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void channel_layer_mask (Channel *, Layer *);
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#endif /* __LAYER_H__ */
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