/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattisbvf * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __GIMP_IMAGE_H__ #define __GIMP_IMAGE_H__ #include "gimpviewable.h" #define GIMP_IMAGE_TYPE_IS_RGB(t) ((t) == GIMP_RGB_IMAGE || \ (t) == GIMP_RGBA_IMAGE) #define GIMP_IMAGE_TYPE_IS_GRAY(t) ((t) == GIMP_GRAY_IMAGE || \ (t) == GIMP_GRAYA_IMAGE) #define GIMP_IMAGE_TYPE_IS_INDEXED(t) ((t) == GIMP_INDEXED_IMAGE || \ (t) == GIMP_INDEXEDA_IMAGE) #define GIMP_IMAGE_TYPE_HAS_ALPHA(t) ((t) == GIMP_RGBA_IMAGE || \ (t) == GIMP_GRAYA_IMAGE || \ (t) == GIMP_INDEXEDA_IMAGE) #define GIMP_IMAGE_TYPE_WITH_ALPHA(t) (((t) == GIMP_RGB_IMAGE || \ (t) == GIMP_RGBA_IMAGE) ? \ GIMP_RGBA_IMAGE : \ ((t) == GIMP_GRAY_IMAGE || \ (t) == GIMP_GRAYA_IMAGE) ? \ GIMP_GRAYA_IMAGE : \ ((t) == GIMP_INDEXED_IMAGE || \ (t) == GIMP_INDEXEDA_IMAGE) ? \ GIMP_INDEXEDA_IMAGE : -1) #define GIMP_IMAGE_TYPE_WITHOUT_ALPHA(t) (((t) == GIMP_RGB_IMAGE || \ (t) == GIMP_RGBA_IMAGE) ? \ GIMP_RGB_IMAGE : \ ((t) == GIMP_GRAY_IMAGE || \ (t) == GIMP_GRAYA_IMAGE) ? \ GIMP_GRAY_IMAGE : \ ((t) == GIMP_INDEXED_IMAGE || \ (t) == GIMP_INDEXEDA_IMAGE) ? \ GIMP_INDEXED_IMAGE : -1) #define GIMP_IMAGE_TYPE_BYTES(t) ((t) == GIMP_RGBA_IMAGE ? 4 : \ (t) == GIMP_RGB_IMAGE ? 3 : \ (t) == GIMP_GRAYA_IMAGE ? 2 : \ (t) == GIMP_GRAY_IMAGE ? 1 : \ (t) == GIMP_INDEXEDA_IMAGE ? 2 : \ (t) == GIMP_INDEXED_IMAGE ? 1 : -1) #define GIMP_IMAGE_TYPE_BASE_TYPE(t) (((t) == GIMP_RGB_IMAGE || \ (t) == GIMP_RGBA_IMAGE) ? \ GIMP_RGB : \ ((t) == GIMP_GRAY_IMAGE || \ (t) == GIMP_GRAYA_IMAGE) ? \ GIMP_GRAY : \ ((t) == GIMP_INDEXED_IMAGE || \ (t) == GIMP_INDEXEDA_IMAGE) ? \ GIMP_INDEXED : -1) #define GIMP_IMAGE_TYPE_FROM_BASE_TYPE(b) ((b) == GIMP_RGB ? \ GIMP_RGB_IMAGE : \ (b) == GIMP_GRAY ? \ GIMP_GRAY_IMAGE : \ (b) == GIMP_INDEXED ? \ GIMP_INDEXED_IMAGE : -1) typedef struct _GimpImageFlushAccumulator GimpImageFlushAccumulator; struct _GimpImageFlushAccumulator { gboolean alpha_changed; gboolean mask_changed; }; #define GIMP_TYPE_IMAGE (gimp_image_get_type ()) #define GIMP_IMAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_IMAGE, GimpImage)) #define GIMP_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_IMAGE, GimpImageClass)) #define GIMP_IS_IMAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_IMAGE)) #define GIMP_IS_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_IMAGE)) #define GIMP_IMAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_IMAGE, GimpImageClass)) typedef struct _GimpImageClass GimpImageClass; struct _GimpImage { GimpViewable parent_instance; Gimp *gimp; /* the GIMP the image belongs to*/ gint ID; /* provides a unique ID */ PlugInProcDef *save_proc; /* last PDB save proc used */ gint width, height; /* width and height attributes */ gdouble xresolution; /* image x-res, in dpi */ gdouble yresolution; /* image y-res, in dpi */ GimpUnit unit; /* image unit */ GimpImageBaseType base_type; /* base gimp_image type */ guchar *cmap; /* colormap--for indexed */ gint num_cols; /* number of cols--for indexed */ gint dirty; /* dirty flag -- # of ops */ gint undo_freeze_count; /* counts the _freeze's */ gint instance_count; /* number of instances */ gint disp_count; /* number of displays */ GimpTattoo tattoo_state; /* the next unique tattoo to use*/ TileManager *shadow; /* shadow buffer tiles */ /* Projection attributes */ gboolean construct_flag; /* flag for construction */ GimpImageType proj_type; /* type of the projection image */ gint proj_bytes; /* bpp in projection image */ TileManager *projection; /* The projection--layers & */ /* channels */ GList *guides; /* guides */ GimpGrid *grid; /* grid */ /* Layer/Channel attributes */ GimpContainer *layers; /* the list of layers */ GimpContainer *channels; /* the list of masks */ GimpContainer *vectors; /* the list of vectors */ GSList *layer_stack; /* the layers in MRU order */ GQuark layer_update_handler; GQuark layer_visible_handler; GQuark layer_alpha_handler; GQuark channel_update_handler; GQuark channel_visible_handler; GQuark channel_name_changed_handler; GimpLayer *active_layer; /* the active layer */ GimpChannel *active_channel; /* the active channel */ GimpVectors *active_vectors; /* the active vectors */ GimpLayer *floating_sel; /* the FS layer */ GimpChannel *selection_mask; /* the selection mask channel */ GimpParasiteList *parasites; /* Plug-in parasite data */ gboolean visible[MAX_CHANNELS]; /* visible channels */ gboolean active[MAX_CHANNELS]; /* active channels */ gboolean qmask_state; /* TRUE if qmask is on */ gboolean qmask_inverted; /* TRUE if qmask is inverted */ GimpRGB qmask_color; /* rgba triplet of the color */ /* Undo apparatus */ GimpUndoStack *undo_stack; /* stack for undo operations */ GimpUndoStack *redo_stack; /* stack for redo operations */ gint group_count; /* nested undo groups */ GimpUndoType pushing_undo_group; /* undo group status flag */ /* Composite preview */ TempBuf *comp_preview; /* the composite preview */ gboolean comp_preview_valid; /* preview valid-1/channel */ /* Signal emmision accumulator */ GimpImageFlushAccumulator flush_accum; }; struct _GimpImageClass { GimpViewableClass parent_class; /* signals */ void (* mode_changed) (GimpImage *gimage); void (* alpha_changed) (GimpImage *gimage); void (* floating_selection_changed) (GimpImage *gimage); void (* active_layer_changed) (GimpImage *gimage); void (* active_channel_changed) (GimpImage *gimage); void (* active_vectors_changed) (GimpImage *gimage); void (* component_visibility_changed) (GimpImage *gimage, GimpChannelType channel); void (* component_active_changed) (GimpImage *gimage, GimpChannelType channel); void (* mask_changed) (GimpImage *gimage); void (* resolution_changed) (GimpImage *gimage); void (* unit_changed) (GimpImage *gimage); void (* qmask_changed) (GimpImage *gimage); void (* selection_control) (GimpImage *gimage, GimpSelectionControl control); void (* clean) (GimpImage *gimage); void (* dirty) (GimpImage *gimage); void (* update) (GimpImage *gimage, gint x, gint y, gint width, gint height); void (* update_guide) (GimpImage *gimage, GimpGuide *guide); void (* colormap_changed) (GimpImage *gimage, gint color_index); void (* undo_start) (GimpImage *gimage); void (* undo_event) (GimpImage *gimage, GimpUndoEvent event, GimpUndo *undo); void (* flush) (GimpImage *gimage); }; GType gimp_image_get_type (void) G_GNUC_CONST; GimpImage * gimp_image_new (Gimp *gimp, gint width, gint height, GimpImageBaseType base_type); GimpImageBaseType gimp_image_base_type (const GimpImage *gimage); GimpImageType gimp_image_base_type_with_alpha (const GimpImage *gimage); CombinationMode gimp_image_get_combination_mode (GimpImageType dest_type, gint src_bytes); gint gimp_image_get_ID (const GimpImage *gimage); GimpImage * gimp_image_get_by_ID (Gimp *gimp, gint id); void gimp_image_set_uri (GimpImage *gimage, const gchar *uri); const gchar * gimp_image_get_uri (const GimpImage *gimage); void gimp_image_set_filename (GimpImage *gimage, const gchar *filename); gchar * gimp_image_get_filename (const GimpImage *gimage); void gimp_image_set_save_proc (GimpImage *gimage, PlugInProcDef *proc); PlugInProcDef * gimp_image_get_save_proc (const GimpImage *gimage); void gimp_image_set_resolution (GimpImage *gimage, gdouble xres, gdouble yres); void gimp_image_get_resolution (const GimpImage *gimage, gdouble *xres, gdouble *yres); void gimp_image_resolution_changed (GimpImage *gimage); void gimp_image_set_unit (GimpImage *gimage, GimpUnit unit); GimpUnit gimp_image_get_unit (const GimpImage *gimage); void gimp_image_unit_changed (GimpImage *gimage); gint gimp_image_get_width (const GimpImage *gimage); gint gimp_image_get_height (const GimpImage *gimage); gboolean gimp_image_has_alpha (const GimpImage *gimage); gboolean gimp_image_is_empty (const GimpImage *gimage); GimpLayer * gimp_image_floating_sel (const GimpImage *gimage); void gimp_image_floating_selection_changed (GimpImage *gimage); GimpChannel * gimp_image_get_mask (const GimpImage *gimage); void gimp_image_mask_changed (GimpImage *gimage); gint gimp_image_get_component_index (const GimpImage *gimage, GimpChannelType channel); void gimp_image_set_component_active (GimpImage *gimage, GimpChannelType type, gboolean active); gboolean gimp_image_get_component_active (const GimpImage *gimage, GimpChannelType type); void gimp_image_set_component_visible (GimpImage *gimage, GimpChannelType type, gboolean visible); gboolean gimp_image_get_component_visible (const GimpImage *gimage, GimpChannelType type); void gimp_image_mode_changed (GimpImage *gimage); void gimp_image_alpha_changed (GimpImage *gimage); void gimp_image_update (GimpImage *gimage, gint x, gint y, gint width, gint height); void gimp_image_update_guide (GimpImage *gimage, GimpGuide *guide); void gimp_image_colormap_changed (GimpImage *gimage, gint col); void gimp_image_selection_control (GimpImage *gimage, GimpSelectionControl control); void gimp_image_qmask_changed (GimpImage *gimage); /* undo */ gboolean gimp_image_undo_is_enabled (const GimpImage *gimage); gboolean gimp_image_undo_enable (GimpImage *gimage); gboolean gimp_image_undo_disable (GimpImage *gimage); gboolean gimp_image_undo_freeze (GimpImage *gimage); gboolean gimp_image_undo_thaw (GimpImage *gimage); void gimp_image_undo_start (GimpImage *gimage); void gimp_image_undo_event (GimpImage *gimage, GimpUndoEvent event, GimpUndo *undo); gint gimp_image_dirty (GimpImage *gimage); gint gimp_image_clean (GimpImage *gimage); void gimp_image_clean_all (GimpImage *gimage); /* flush this image's displays */ void gimp_image_flush (GimpImage *gimage); /* color transforms / utilities */ void gimp_image_get_foreground (const GimpImage *gimage, const GimpDrawable *drawable, GimpContext *context, guchar *fg); void gimp_image_get_background (const GimpImage *gimage, const GimpDrawable *drawable, GimpContext *context, guchar *bg); void gimp_image_get_color (const GimpImage *src_gimage, GimpImageType src_type, const guchar *src, guchar *rgba); void gimp_image_transform_rgb (const GimpImage *dest_gimage, const GimpDrawable *dest_drawable, const GimpRGB *rgb, guchar *color); void gimp_image_transform_color (const GimpImage *dest_gimage, const GimpDrawable *dest_drawable, guchar *dest, GimpImageBaseType src_type, const guchar *src); TempBuf * gimp_image_transform_temp_buf (const GimpImage *dest_gimage, const GimpDrawable *dest_drawable, TempBuf *temp_buf, gboolean *new_buf); /* shadow tiles */ TileManager * gimp_image_shadow (GimpImage *gimage, gint width, gint height, gint bpp); void gimp_image_free_shadow (GimpImage *gimage); /* parasites */ GimpParasite * gimp_image_parasite_find (const GimpImage *gimage, const gchar *name); gchar ** gimp_image_parasite_list (const GimpImage *gimage, gint *count); void gimp_image_parasite_attach (GimpImage *gimage, GimpParasite *parasite); void gimp_image_parasite_detach (GimpImage *gimage, const gchar *parasite); /* tattoos */ GimpTattoo gimp_image_get_new_tattoo (GimpImage *gimage); gboolean gimp_image_set_tattoo_state (GimpImage *gimage, GimpTattoo val); GimpTattoo gimp_image_get_tattoo_state (GimpImage *gimage); /* layers / channels / vectors / old paths */ GimpContainer * gimp_image_get_layers (const GimpImage *gimage); GimpContainer * gimp_image_get_channels (const GimpImage *gimage); GimpContainer * gimp_image_get_vectors (const GimpImage *gimage); GimpDrawable * gimp_image_active_drawable (const GimpImage *gimage); GimpLayer * gimp_image_get_active_layer (const GimpImage *gimage); GimpChannel * gimp_image_get_active_channel (const GimpImage *gimage); GimpVectors * gimp_image_get_active_vectors (const GimpImage *gimage); GimpLayer * gimp_image_set_active_layer (GimpImage *gimage, GimpLayer *layer); GimpChannel * gimp_image_set_active_channel (GimpImage *gimage, GimpChannel *channel); GimpChannel * gimp_image_unset_active_channel (GimpImage *gimage); GimpVectors * gimp_image_set_active_vectors (GimpImage *gimage, GimpVectors *vectors); void gimp_image_active_layer_changed (GimpImage *gimage); void gimp_image_active_channel_changed (GimpImage *gimage); void gimp_image_active_vectors_changed (GimpImage *gimage); gint gimp_image_get_layer_index (const GimpImage *gimage, const GimpLayer *layer); gint gimp_image_get_channel_index (const GimpImage *gimage, const GimpChannel *channel); gint gimp_image_get_vectors_index (const GimpImage *gimage, const GimpVectors *vectors); GimpLayer * gimp_image_get_layer_by_tattoo (const GimpImage *gimage, GimpTattoo tatoo); GimpChannel * gimp_image_get_channel_by_tattoo (const GimpImage *gimage, GimpTattoo tatoo); GimpVectors * gimp_image_get_vectors_by_tattoo (const GimpImage *gimage, GimpTattoo tatoo); GimpLayer * gimp_image_get_layer_by_name (const GimpImage *gimage, const gchar *name); GimpChannel * gimp_image_get_channel_by_name (const GimpImage *gimage, const gchar *name); GimpVectors * gimp_image_get_vectors_by_name (const GimpImage *gimage, const gchar *name); gboolean gimp_image_add_layer (GimpImage *gimage, GimpLayer *layer, gint position); void gimp_image_remove_layer (GimpImage *gimage, GimpLayer *layer); gboolean gimp_image_raise_layer (GimpImage *gimage, GimpLayer *layer); gboolean gimp_image_lower_layer (GimpImage *gimage, GimpLayer *layer); gboolean gimp_image_raise_layer_to_top (GimpImage *gimage, GimpLayer *layer); gboolean gimp_image_lower_layer_to_bottom (GimpImage *gimage, GimpLayer *layer); gboolean gimp_image_position_layer (GimpImage *gimage, GimpLayer *layer, gint new_index, gboolean push_undo, const gchar *undo_desc); gboolean gimp_image_add_channel (GimpImage *gimage, GimpChannel *channel, gint position); void gimp_image_remove_channel (GimpImage *gimage, GimpChannel *channel); gboolean gimp_image_raise_channel (GimpImage *gimage, GimpChannel *channel); gboolean gimp_image_lower_channel (GimpImage *gimage, GimpChannel *channel); gboolean gimp_image_position_channel (GimpImage *gimage, GimpChannel *channel, gint new_index, gboolean push_undo, const gchar *undo_desc); gboolean gimp_image_add_vectors (GimpImage *gimage, GimpVectors *vectors, gint position); void gimp_image_remove_vectors (GimpImage *gimage, GimpVectors *vectors); gboolean gimp_image_raise_vectors (GimpImage *gimage, GimpVectors *vectors); gboolean gimp_image_lower_vectors (GimpImage *gimage, GimpVectors *vectors); gboolean gimp_image_position_vectors (GimpImage *gimage, GimpVectors *vectors, gint new_index, gboolean push_undo, const gchar *undo_desc); gboolean gimp_image_layer_boundary (const GimpImage *gimage, BoundSeg **segs, gint *n_segs); GimpLayer * gimp_image_pick_correlate_layer (const GimpImage *gimage, gint x, gint y); void gimp_image_invalidate_layer_previews (GimpImage *gimage); void gimp_image_invalidate_channel_previews (GimpImage *gimage); #endif /* __GIMP_IMAGE_H__ */