diff options
Diffstat (limited to 'app/core/gimpchannel.h')
| -rw-r--r-- | app/core/gimpchannel.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/app/core/gimpchannel.h b/app/core/gimpchannel.h new file mode 100644 index 0000000..348f4f6 --- /dev/null +++ b/app/core/gimpchannel.h @@ -0,0 +1,216 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __GIMP_CHANNEL_H__ +#define __GIMP_CHANNEL_H__ + +#include "gimpdrawable.h" + + +#define GIMP_TYPE_CHANNEL (gimp_channel_get_type ()) +#define GIMP_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CHANNEL, GimpChannel)) +#define GIMP_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CHANNEL, GimpChannelClass)) +#define GIMP_IS_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CHANNEL)) +#define GIMP_IS_CHANNEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CHANNEL)) +#define GIMP_CHANNEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CHANNEL, GimpChannelClass)) + + +typedef struct _GimpChannelClass GimpChannelClass; + +struct _GimpChannel +{ + GimpDrawable parent_instance; + + GimpRGB color; /* Also stores the opacity */ + gboolean show_masked; /* Show masked areas--as */ + /* opposed to selected areas */ + + GeglNode *color_node; + GeglNode *invert_node; + GeglNode *mask_node; + + /* Selection mask variables */ + gboolean boundary_known; /* is the current boundary valid */ + GimpBoundSeg *segs_in; /* outline of selected region */ + GimpBoundSeg *segs_out; /* outline of selected region */ + gint num_segs_in; /* number of lines in boundary */ + gint num_segs_out; /* number of lines in boundary */ + gboolean empty; /* is the region empty? */ + gboolean bounds_known; /* recalculate the bounds? */ + gint x1, y1; /* coordinates for bounding box */ + gint x2, y2; /* lower right hand coordinate */ +}; + +struct _GimpChannelClass +{ + GimpDrawableClass parent_class; + + /* signals */ + void (* color_changed) (GimpChannel *channel); + + /* virtual functions */ + gboolean (* boundary) (GimpChannel *channel, + const GimpBoundSeg **segs_in, + const GimpBoundSeg **segs_out, + gint *num_segs_in, + gint *num_segs_out, + gint x1, + gint y1, + gint x2, + gint y2); + gboolean (* is_empty) (GimpChannel *channel); + + void (* feather) (GimpChannel *channel, + gdouble radius_x, + gdouble radius_y, + gboolean edge_lock, + gboolean push_undo); + void (* sharpen) (GimpChannel *channel, + gboolean push_undo); + void (* clear) (GimpChannel *channel, + const gchar *undo_desc, + gboolean push_undo); + void (* all) (GimpChannel *channel, + gboolean push_undo); + void (* invert) (GimpChannel *channel, + gboolean push_undo); + void (* border) (GimpChannel *channel, + gint radius_x, + gint radius_y, + GimpChannelBorderStyle style, + gboolean edge_lock, + gboolean push_undo); + void (* grow) (GimpChannel *channel, + gint radius_x, + gint radius_y, + gboolean push_undo); + void (* shrink) (GimpChannel *channel, + gint radius_x, + gint radius_y, + gboolean edge_lock, + gboolean push_undo); + void (* flood) (GimpChannel *channel, + gboolean push_undo); + + const gchar *feather_desc; + const gchar *sharpen_desc; + const gchar *clear_desc; + const gchar *all_desc; + const gchar *invert_desc; + const gchar *border_desc; + const gchar *grow_desc; + const gchar *shrink_desc; + const gchar *flood_desc; +}; + + +/* function declarations */ + +GType gimp_channel_get_type (void) G_GNUC_CONST; + +GimpChannel * gimp_channel_new (GimpImage *image, + gint width, + gint height, + const gchar *name, + const GimpRGB *color); +GimpChannel * gimp_channel_new_from_buffer (GimpImage *image, + GeglBuffer *buffer, + const gchar *name, + const GimpRGB *color); +GimpChannel * gimp_channel_new_from_alpha (GimpImage *image, + GimpDrawable *drawable, + const gchar *name, + const GimpRGB *color); +GimpChannel * gimp_channel_new_from_component (GimpImage *image, + GimpChannelType type, + const gchar *name, + const GimpRGB *color); + +GimpChannel * gimp_channel_get_parent (GimpChannel *channel); + +gdouble gimp_channel_get_opacity (GimpChannel *channel); +void gimp_channel_set_opacity (GimpChannel *channel, + gdouble opacity, + gboolean push_undo); + +void gimp_channel_get_color (GimpChannel *channel, + GimpRGB *color); +void gimp_channel_set_color (GimpChannel *channel, + const GimpRGB *color, + gboolean push_undo); + +gboolean gimp_channel_get_show_masked (GimpChannel *channel); +void gimp_channel_set_show_masked (GimpChannel *channel, + gboolean show_masked); + +void gimp_channel_push_undo (GimpChannel *mask, + const gchar *undo_desc); + + +/* selection mask functions */ + +GimpChannel * gimp_channel_new_mask (GimpImage *image, + gint width, + gint height); + +gboolean gimp_channel_boundary (GimpChannel *mask, + const GimpBoundSeg **segs_in, + const GimpBoundSeg **segs_out, + gint *num_segs_in, + gint *num_segs_out, + gint x1, + gint y1, + gint x2, + gint y2); +gboolean gimp_channel_is_empty (GimpChannel *mask); + +void gimp_channel_feather (GimpChannel *mask, + gdouble radius_x, + gdouble radius_y, + gboolean edge_lock, + gboolean push_undo); +void gimp_channel_sharpen (GimpChannel *mask, + gboolean push_undo); + +void gimp_channel_clear (GimpChannel *mask, + const gchar *undo_desc, + gboolean push_undo); +void gimp_channel_all (GimpChannel *mask, + gboolean push_undo); +void gimp_channel_invert (GimpChannel *mask, + gboolean push_undo); + +void gimp_channel_border (GimpChannel *mask, + gint radius_x, + gint radius_y, + GimpChannelBorderStyle style, + gboolean edge_lock, + gboolean push_undo); +void gimp_channel_grow (GimpChannel *mask, + gint radius_x, + gint radius_y, + gboolean push_undo); +void gimp_channel_shrink (GimpChannel *mask, + gint radius_x, + gint radius_y, + gboolean edge_lock, + gboolean push_undo); +void gimp_channel_flood (GimpChannel *mask, + gboolean push_undo); + + +#endif /* __GIMP_CHANNEL_H__ */ |