mirror of https://github.com/GNOME/gimp.git
176 lines
7.1 KiB
C
176 lines
7.1 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 "apptypes.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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/* 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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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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struct _layer_undo
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{
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Layer *layer; /* the actual layer */
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gint prev_position; /* former position in list */
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Layer *prev_layer; /* previous active layer */
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};
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struct _layer_mask_undo
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{
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Layer *layer; /* the layer */
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gboolean apply_mask; /* apply mask? */
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gboolean edit_mask; /* edit mask or layer? */
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gboolean show_mask; /* show the mask? */
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LayerMask *mask; /* the layer mask */
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gint mode; /* the application mode */
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};
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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 *gimage,
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gint width,
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gint height,
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GimpImageType type,
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gchar *name,
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gint opacity,
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LayerModeEffects mode);
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Layer * layer_copy (Layer *layer,
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gboolean add_alpha);
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Layer * layer_ref (Layer *layer);
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void layer_unref (Layer *layer);
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Layer * layer_new_from_tiles (GimpImage *gimage,
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GimpImageType layer_type,
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TileManager *tiles,
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gchar *name,
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gint opacity,
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LayerModeEffects mode);
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gboolean layer_check_scaling (Layer *layer,
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gint new_width,
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gint new_height);
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LayerMask * layer_create_mask (Layer *layer,
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AddMaskType add_mask_type);
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LayerMask * layer_add_mask (Layer *layer,
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LayerMask *mask);
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Layer * layer_get_ID (gint ID);
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void layer_delete (Layer *layer);
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void layer_removed (Layer *layer,
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gpointer data);
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void layer_apply_mask (Layer *layer,
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MaskApplyMode mode);
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void layer_translate (Layer *layer,
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gint off_x,
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gint off_y);
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void layer_add_alpha (Layer *layer);
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gboolean layer_scale_by_factors (Layer *layer,
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gdouble w_factor,
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gdouble h_factor);
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void layer_scale (Layer *layer,
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gint new_width,
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gint new_height,
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gboolean local_origin);
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void layer_resize (Layer *layer,
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gint new_width,
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gint new_height,
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gint offx,
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gint offy);
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void layer_resize_to_image (Layer *layer);
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BoundSeg * layer_boundary (Layer *layer,
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gint *num_segs);
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void layer_invalidate_boundary (Layer *layer);
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gint layer_pick_correlate (Layer *layer,
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gint x,
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gint y);
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LayerMask * layer_mask_new (GimpImage *gimage,
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gint width,
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gint height,
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gchar *name,
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gint opacity,
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guchar *col);
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LayerMask * layer_mask_copy (LayerMask *layer_mask);
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void layer_mask_delete (LayerMask *layer_mask);
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LayerMask * layer_mask_get_ID (gint ID);
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LayerMask * layer_mask_ref (LayerMask *layer_mask);
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void layer_mask_unref (LayerMask *layer_mask);
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void layer_mask_set_layer (LayerMask *layer_mask,
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Layer *layer);
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Layer * layer_mask_get_layer (LayerMask *layer_mask);
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/* access functions */
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void layer_set_name (Layer *layer,
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gchar *name);
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gchar * layer_get_name (Layer *layer);
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guchar * layer_data (Layer *layer);
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LayerMask * layer_get_mask (Layer *layer);
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gboolean layer_has_alpha (Layer *layer);
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gboolean layer_is_floating_sel (Layer *layer);
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gboolean layer_linked (Layer *layer);
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TempBuf * layer_preview (Layer *layer,
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gint width,
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gint height);
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TempBuf * layer_mask_preview (Layer *layer,
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gint width,
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gint height);
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void layer_invalidate_previews (GimpImage *gimage);
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Tattoo layer_get_tattoo (const Layer *layer);
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void layer_set_tattoo (const Layer *layer,
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Tattoo value);
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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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void channel_layer_alpha (Channel *mask,
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Layer *layer);
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/* from channel.c */
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void channel_layer_mask (Channel *mask,
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Layer *layer);
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#endif /* __LAYER_H__ */
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