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gimp/app/core/gimpimage.c

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/* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <time.h>
#include <gegl.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "base/temp-buf.h"
#include "config/gimpcoreconfig.h"
#include "gimp.h"
#include "gimp-parasites.h"
#include "gimp-utils.h"
#include "gimpcontext.h"
#include "gimpdrawablestack.h"
#include "gimpgrid.h"
#include "gimperror.h"
#include "gimpguide.h"
#include "gimpimage.h"
#include "gimpimage-colorhash.h"
#include "gimpimage-colormap.h"
#include "gimpimage-guides.h"
#include "gimpimage-sample-points.h"
#include "gimpimage-preview.h"
#include "gimpimage-private.h"
#include "gimpimage-quick-mask.h"
#include "gimpimage-undo.h"
#include "gimpimage-undo-push.h"
#include "gimpitemtree.h"
#include "gimplayer.h"
#include "gimplayer-floating-sel.h"
#include "gimplayermask.h"
#include "gimpmarshal.h"
#include "gimpparasitelist.h"
#include "gimppickable.h"
#include "gimpprojectable.h"
#include "gimpprojection.h"
#include "gimpsamplepoint.h"
#include "gimpselection.h"
#include "gimptemplate.h"
#include "gimpundostack.h"
#include "file/file-utils.h"
#include "vectors/gimpvectors.h"
#include "gimp-intl.h"
#ifdef DEBUG
#define TRC(x) g_printerr x
#else
#define TRC(x)
#endif
/* Data keys for GimpImage */
#define GIMP_FILE_EXPORT_URI_KEY "gimp-file-export-uri"
#define GIMP_FILE_SAVE_A_COPY_URI_KEY "gimp-file-save-a-copy-uri"
#define GIMP_FILE_IMPORT_SOURCE_URI_KEY "gimp-file-import-source-uri"
enum
{
MODE_CHANGED,
ALPHA_CHANGED,
FLOATING_SELECTION_CHANGED,
ACTIVE_LAYER_CHANGED,
ACTIVE_CHANNEL_CHANGED,
ACTIVE_VECTORS_CHANGED,
COMPONENT_VISIBILITY_CHANGED,
COMPONENT_ACTIVE_CHANGED,
MASK_CHANGED,
RESOLUTION_CHANGED,
SIZE_CHANGED_DETAILED,
UNIT_CHANGED,
QUICK_MASK_CHANGED,
SELECTION_INVALIDATE,
CLEAN,
DIRTY,
SAVED,
EXPORTED,
GUIDE_ADDED,
GUIDE_REMOVED,
GUIDE_MOVED,
SAMPLE_POINT_ADDED,
SAMPLE_POINT_REMOVED,
SAMPLE_POINT_MOVED,
PARASITE_ATTACHED,
PARASITE_DETACHED,
COLORMAP_CHANGED,
UNDO_EVENT,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_GIMP,
PROP_ID,
PROP_WIDTH,
PROP_HEIGHT,
PROP_BASE_TYPE
};
/* local function prototypes */
static void gimp_color_managed_iface_init (GimpColorManagedInterface *iface);
static void gimp_projectable_iface_init (GimpProjectableInterface *iface);
static void gimp_image_constructed (GObject *object);
static void gimp_image_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_image_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_image_dispose (GObject *object);
static void gimp_image_finalize (GObject *object);
static void gimp_image_name_changed (GimpObject *object);
static gint64 gimp_image_get_memsize (GimpObject *object,
gint64 *gui_size);
static gboolean gimp_image_get_size (GimpViewable *viewable,
gint *width,
gint *height);
static void gimp_image_invalidate_preview (GimpViewable *viewable);
static void gimp_image_size_changed (GimpViewable *viewable);
static gchar * gimp_image_get_description (GimpViewable *viewable,
gchar **tooltip);
static void gimp_image_real_mode_changed (GimpImage *image);
static void gimp_image_real_size_changed_detailed
(GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height);
static void gimp_image_real_colormap_changed (GimpImage *image,
gint color_index);
static const guint8 * gimp_image_get_icc_profile (GimpColorManaged *managed,
gsize *len);
static void gimp_image_projectable_flush (GimpProjectable *projectable,
gboolean invalidate_preview);
static GeglNode * gimp_image_get_graph (GimpProjectable *projectable);
static GimpImage * gimp_image_get_image (GimpProjectable *projectable);
static GimpImageType gimp_image_get_image_type (GimpProjectable *projectable);
static void gimp_image_mask_update (GimpDrawable *drawable,
gint x,
gint y,
gint width,
gint height,
GimpImage *image);
static void gimp_image_layer_alpha_changed (GimpDrawable *drawable,
GimpImage *image);
static void gimp_image_channel_add (GimpContainer *container,
GimpChannel *channel,
GimpImage *image);
static void gimp_image_channel_remove (GimpContainer *container,
GimpChannel *channel,
GimpImage *image);
static void gimp_image_channel_name_changed (GimpChannel *channel,
GimpImage *image);
static void gimp_image_channel_color_changed (GimpChannel *channel,
GimpImage *image);
static void gimp_image_active_layer_notify (GimpItemTree *tree,
const GParamSpec *pspec,
GimpImage *image);
static void gimp_image_active_channel_notify (GimpItemTree *tree,
const GParamSpec *pspec,
GimpImage *image);
static void gimp_image_active_vectors_notify (GimpItemTree *tree,
const GParamSpec *pspec,
GimpImage *image);
static const gint valid_combinations[][MAX_CHANNELS + 1] =
{
/* GIMP_RGB_IMAGE */
{ -1, -1, -1, COMBINE_INTEN_INTEN, COMBINE_INTEN_INTEN_A },
/* GIMP_RGBA_IMAGE */
{ -1, -1, -1, COMBINE_INTEN_A_INTEN, COMBINE_INTEN_A_INTEN_A },
/* GIMP_GRAY_IMAGE */
{ -1, COMBINE_INTEN_INTEN, COMBINE_INTEN_INTEN_A, -1, -1 },
/* GIMP_GRAYA_IMAGE */
{ -1, COMBINE_INTEN_A_INTEN, COMBINE_INTEN_A_INTEN_A, -1, -1 },
/* GIMP_INDEXED_IMAGE */
{ -1, COMBINE_INDEXED_INDEXED, COMBINE_INDEXED_INDEXED_A, -1, -1 },
/* GIMP_INDEXEDA_IMAGE */
{ -1, -1, COMBINE_INDEXED_A_INDEXED_A, -1, -1 },
};
G_DEFINE_TYPE_WITH_CODE (GimpImage, gimp_image, GIMP_TYPE_VIEWABLE,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_COLOR_MANAGED,
gimp_color_managed_iface_init)
G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROJECTABLE,
gimp_projectable_iface_init))
#define parent_class gimp_image_parent_class
static guint gimp_image_signals[LAST_SIGNAL] = { 0 };
static void
gimp_image_class_init (GimpImageClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
gimp_image_signals[MODE_CHANGED] =
g_signal_new ("mode-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, mode_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[ALPHA_CHANGED] =
g_signal_new ("alpha-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, alpha_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[FLOATING_SELECTION_CHANGED] =
g_signal_new ("floating-selection-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, floating_selection_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[ACTIVE_LAYER_CHANGED] =
g_signal_new ("active-layer-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, active_layer_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[ACTIVE_CHANNEL_CHANGED] =
g_signal_new ("active-channel-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, active_channel_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[ACTIVE_VECTORS_CHANGED] =
g_signal_new ("active-vectors-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, active_vectors_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[COMPONENT_VISIBILITY_CHANGED] =
g_signal_new ("component-visibility-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, component_visibility_changed),
NULL, NULL,
gimp_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GIMP_TYPE_CHANNEL_TYPE);
gimp_image_signals[COMPONENT_ACTIVE_CHANGED] =
g_signal_new ("component-active-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, component_active_changed),
NULL, NULL,
gimp_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GIMP_TYPE_CHANNEL_TYPE);
gimp_image_signals[MASK_CHANGED] =
g_signal_new ("mask-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, mask_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[RESOLUTION_CHANGED] =
g_signal_new ("resolution-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, resolution_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[SIZE_CHANGED_DETAILED] =
g_signal_new ("size-changed-detailed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, size_changed_detailed),
NULL, NULL,
gimp_marshal_VOID__INT_INT_INT_INT,
G_TYPE_NONE, 4,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT);
gimp_image_signals[UNIT_CHANGED] =
g_signal_new ("unit-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, unit_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[QUICK_MASK_CHANGED] =
g_signal_new ("quick-mask-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, quick_mask_changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[SELECTION_INVALIDATE] =
g_signal_new ("selection-invalidate",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, selection_invalidate),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
gimp_image_signals[CLEAN] =
g_signal_new ("clean",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, clean),
NULL, NULL,
gimp_marshal_VOID__FLAGS,
G_TYPE_NONE, 1,
GIMP_TYPE_DIRTY_MASK);
gimp_image_signals[DIRTY] =
g_signal_new ("dirty",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, dirty),
NULL, NULL,
gimp_marshal_VOID__FLAGS,
G_TYPE_NONE, 1,
GIMP_TYPE_DIRTY_MASK);
gimp_image_signals[SAVED] =
g_signal_new ("saved",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, saved),
NULL, NULL,
gimp_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
gimp_image_signals[EXPORTED] =
g_signal_new ("exported",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, exported),
NULL, NULL,
gimp_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
gimp_image_signals[GUIDE_ADDED] =
g_signal_new ("guide-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, guide_added),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_GUIDE);
gimp_image_signals[GUIDE_REMOVED] =
g_signal_new ("guide-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, guide_removed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_GUIDE);
gimp_image_signals[GUIDE_MOVED] =
g_signal_new ("guide-moved",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, guide_moved),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_GUIDE);
gimp_image_signals[SAMPLE_POINT_ADDED] =
g_signal_new ("sample-point-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, sample_point_added),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_image_signals[SAMPLE_POINT_REMOVED] =
g_signal_new ("sample-point-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, sample_point_removed),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_image_signals[SAMPLE_POINT_MOVED] =
g_signal_new ("sample-point-moved",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, sample_point_moved),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_image_signals[PARASITE_ATTACHED] =
g_signal_new ("parasite-attached",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, parasite_attached),
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
gimp_image_signals[PARASITE_DETACHED] =
g_signal_new ("parasite-detached",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, parasite_detached),
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
gimp_image_signals[COLORMAP_CHANGED] =
g_signal_new ("colormap-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, colormap_changed),
NULL, NULL,
gimp_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
gimp_image_signals[UNDO_EVENT] =
g_signal_new ("undo-event",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, undo_event),
NULL, NULL,
gimp_marshal_VOID__ENUM_OBJECT,
G_TYPE_NONE, 2,
GIMP_TYPE_UNDO_EVENT,
GIMP_TYPE_UNDO);
object_class->constructed = gimp_image_constructed;
object_class->set_property = gimp_image_set_property;
object_class->get_property = gimp_image_get_property;
object_class->dispose = gimp_image_dispose;
object_class->finalize = gimp_image_finalize;
gimp_object_class->name_changed = gimp_image_name_changed;
gimp_object_class->get_memsize = gimp_image_get_memsize;
viewable_class->default_stock_id = "gimp-image";
viewable_class->get_size = gimp_image_get_size;
viewable_class->invalidate_preview = gimp_image_invalidate_preview;
viewable_class->size_changed = gimp_image_size_changed;
viewable_class->get_preview_size = gimp_image_get_preview_size;
viewable_class->get_popup_size = gimp_image_get_popup_size;
viewable_class->get_preview = gimp_image_get_preview;
viewable_class->get_new_preview = gimp_image_get_new_preview;
viewable_class->get_description = gimp_image_get_description;
klass->mode_changed = gimp_image_real_mode_changed;
klass->alpha_changed = NULL;
klass->floating_selection_changed = NULL;
klass->active_layer_changed = NULL;
klass->active_channel_changed = NULL;
klass->active_vectors_changed = NULL;
klass->component_visibility_changed = NULL;
klass->component_active_changed = NULL;
klass->mask_changed = NULL;
klass->resolution_changed = NULL;
klass->size_changed_detailed = gimp_image_real_size_changed_detailed;
klass->unit_changed = NULL;
klass->quick_mask_changed = NULL;
klass->selection_invalidate = NULL;
klass->clean = NULL;
klass->dirty = NULL;
klass->saved = NULL;
klass->exported = NULL;
klass->guide_added = NULL;
klass->guide_removed = NULL;
klass->guide_moved = NULL;
klass->sample_point_added = NULL;
klass->sample_point_removed = NULL;
klass->sample_point_moved = NULL;
klass->parasite_attached = NULL;
klass->parasite_detached = NULL;
klass->colormap_changed = gimp_image_real_colormap_changed;
klass->undo_event = NULL;
g_object_class_install_property (object_class, PROP_GIMP,
g_param_spec_object ("gimp", NULL, NULL,
GIMP_TYPE_GIMP,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_ID,
g_param_spec_int ("id", NULL, NULL,
0, G_MAXINT, 0,
GIMP_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_WIDTH,
g_param_spec_int ("width", NULL, NULL,
1, GIMP_MAX_IMAGE_SIZE, 1,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_HEIGHT,
g_param_spec_int ("height", NULL, NULL,
1, GIMP_MAX_IMAGE_SIZE, 1,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_BASE_TYPE,
g_param_spec_enum ("base-type", NULL, NULL,
GIMP_TYPE_IMAGE_BASE_TYPE,
GIMP_RGB,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
gimp_image_color_hash_init ();
g_type_class_add_private (klass, sizeof (GimpImagePrivate));
}
static void
gimp_color_managed_iface_init (GimpColorManagedInterface *iface)
{
iface->get_icc_profile = gimp_image_get_icc_profile;
}
static void
gimp_projectable_iface_init (GimpProjectableInterface *iface)
{
iface->flush = gimp_image_projectable_flush;
iface->get_image = gimp_image_get_image;
iface->get_image_type = gimp_image_get_image_type;
iface->get_size = (void (*) (GimpProjectable*, gint*, gint*)) gimp_image_get_size;
iface->get_graph = gimp_image_get_graph;
iface->invalidate_preview = (void (*) (GimpProjectable*)) gimp_viewable_invalidate_preview;
iface->get_layers = (GList * (*) (GimpProjectable*)) gimp_image_get_layer_iter;
iface->get_channels = (GList * (*) (GimpProjectable*)) gimp_image_get_channel_iter;
}
static void
gimp_image_init (GimpImage *image)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
gint i;
private->ID = 0;
private->load_proc = NULL;
private->save_proc = NULL;
private->width = 0;
private->height = 0;
private->xresolution = 1.0;
private->yresolution = 1.0;
private->resolution_unit = GIMP_UNIT_INCH;
private->base_type = GIMP_RGB;
private->colormap = NULL;
private->n_colors = 0;
private->palette = NULL;
private->dirty = 1;
private->dirty_time = 0;
private->undo_freeze_count = 0;
private->export_dirty = 1;
private->instance_count = 0;
private->disp_count = 0;
private->tattoo_state = 0;
private->projection = gimp_projection_new (GIMP_PROJECTABLE (image));
private->guides = NULL;
private->grid = NULL;
private->sample_points = NULL;
private->layers = gimp_item_tree_new (image,
GIMP_TYPE_DRAWABLE_STACK,
GIMP_TYPE_LAYER);
private->channels = gimp_item_tree_new (image,
GIMP_TYPE_DRAWABLE_STACK,
GIMP_TYPE_CHANNEL);
private->vectors = gimp_item_tree_new (image,
GIMP_TYPE_ITEM_STACK,
GIMP_TYPE_VECTORS);
private->layer_stack = NULL;
g_signal_connect (private->layers, "notify::active-item",
G_CALLBACK (gimp_image_active_layer_notify),
image);
g_signal_connect (private->channels, "notify::active-item",
G_CALLBACK (gimp_image_active_channel_notify),
image);
g_signal_connect (private->vectors, "notify::active-item",
G_CALLBACK (gimp_image_active_vectors_notify),
image);
g_signal_connect_swapped (private->layers->container, "update",
G_CALLBACK (gimp_image_invalidate),
image);
private->layer_alpha_handler =
gimp_container_add_handler (private->layers->container, "alpha-changed",
G_CALLBACK (gimp_image_layer_alpha_changed),
image);
g_signal_connect_swapped (private->channels->container, "update",
G_CALLBACK (gimp_image_invalidate),
image);
private->channel_name_changed_handler =
gimp_container_add_handler (private->channels->container, "name-changed",
G_CALLBACK (gimp_image_channel_name_changed),
image);
private->channel_color_changed_handler =
gimp_container_add_handler (private->channels->container, "color-changed",
G_CALLBACK (gimp_image_channel_color_changed),
image);
g_signal_connect (private->channels->container, "add",
G_CALLBACK (gimp_image_channel_add),
image);
g_signal_connect (private->channels->container, "remove",
G_CALLBACK (gimp_image_channel_remove),
image);
private->floating_sel = NULL;
private->selection_mask = NULL;
private->parasites = gimp_parasite_list_new ();
for (i = 0; i < MAX_CHANNELS; i++)
{
private->visible[i] = TRUE;
private->active[i] = TRUE;
}
private->quick_mask_state = FALSE;
private->quick_mask_inverted = FALSE;
gimp_rgba_set (&private->quick_mask_color, 1.0, 0.0, 0.0, 0.5);
private->undo_stack = gimp_undo_stack_new (image);
private->redo_stack = gimp_undo_stack_new (image);
private->group_count = 0;
private->pushing_undo_group = GIMP_UNDO_GROUP_NONE;
private->preview = NULL;
private->flush_accum.alpha_changed = FALSE;
private->flush_accum.mask_changed = FALSE;
private->flush_accum.floating_selection_changed = FALSE;
private->flush_accum.preview_invalidated = FALSE;
}
static void
gimp_image_constructed (GObject *object)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GimpCoreConfig *config;
GimpTemplate *template;
if (G_OBJECT_CLASS (parent_class)->constructed)
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (GIMP_IS_GIMP (image->gimp));
config = image->gimp->config;
do
{
private->ID = image->gimp->next_image_ID++;
if (image->gimp->next_image_ID == G_MAXINT)
image->gimp->next_image_ID = 1;
}
while (g_hash_table_lookup (image->gimp->image_table,
GINT_TO_POINTER (private->ID)));
g_hash_table_insert (image->gimp->image_table,
GINT_TO_POINTER (private->ID),
image);
template = config->default_image;
private->xresolution = gimp_template_get_resolution_x (template);
private->yresolution = gimp_template_get_resolution_y (template);
private->resolution_unit = gimp_template_get_resolution_unit (template);
private->grid = gimp_config_duplicate (GIMP_CONFIG (config->default_grid));
if (private->base_type == GIMP_INDEXED)
gimp_image_colormap_init (image);
/* create the selection mask */
private->selection_mask = gimp_selection_new (image,
gimp_image_get_width (image),
gimp_image_get_height (image));
g_object_ref_sink (private->selection_mask);
g_signal_connect (private->selection_mask, "update",
G_CALLBACK (gimp_image_mask_update),
image);
g_signal_connect_object (config, "notify::transparency-type",
G_CALLBACK (gimp_item_stack_invalidate_previews),
private->layers->container, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::transparency-size",
G_CALLBACK (gimp_item_stack_invalidate_previews),
private->layers->container, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::layer-previews",
G_CALLBACK (gimp_viewable_size_changed),
image, G_CONNECT_SWAPPED);
gimp_container_add (image->gimp->images, GIMP_OBJECT (image));
}
static void
gimp_image_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
switch (property_id)
{
case PROP_GIMP:
image->gimp = g_value_get_object (value);
break;
case PROP_ID:
g_assert_not_reached ();
break;
case PROP_WIDTH:
private->width = g_value_get_int (value);
break;
case PROP_HEIGHT:
private->height = g_value_get_int (value);
break;
case PROP_BASE_TYPE:
private->base_type = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_image_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
switch (property_id)
{
case PROP_GIMP:
g_value_set_object (value, image->gimp);
break;
case PROP_ID:
g_value_set_int (value, private->ID);
break;
case PROP_WIDTH:
g_value_set_int (value, private->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, private->height);
break;
case PROP_BASE_TYPE:
g_value_set_enum (value, private->base_type);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_image_dispose (GObject *object)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
if (private->colormap)
gimp_image_colormap_dispose (image);
gimp_image_undo_free (image);
g_signal_handlers_disconnect_by_func (private->layers->container,
gimp_image_invalidate,
image);
gimp_container_remove_handler (private->layers->container,
private->layer_alpha_handler);
g_signal_handlers_disconnect_by_func (private->channels->container,
gimp_image_invalidate,
image);
gimp_container_remove_handler (private->channels->container,
private->channel_name_changed_handler);
gimp_container_remove_handler (private->channels->container,
private->channel_color_changed_handler);
g_signal_handlers_disconnect_by_func (private->channels->container,
gimp_image_channel_add,
image);
g_signal_handlers_disconnect_by_func (private->channels->container,
gimp_image_channel_remove,
image);
gimp_container_foreach (private->layers->container,
(GFunc) gimp_item_removed, NULL);
gimp_container_foreach (private->channels->container,
(GFunc) gimp_item_removed, NULL);
gimp_container_foreach (private->vectors->container,
(GFunc) gimp_item_removed, NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_image_finalize (GObject *object)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
if (private->projection)
{
g_object_unref (private->projection);
private->projection = NULL;
}
if (private->graph)
{
g_object_unref (private->graph);
private->graph = NULL;
}
if (private->colormap)
gimp_image_colormap_free (image);
if (private->layers)
{
g_object_unref (private->layers);
private->layers = NULL;
}
if (private->channels)
{
g_object_unref (private->channels);
private->channels = NULL;
}
if (private->vectors)
{
g_object_unref (private->vectors);
private->vectors = NULL;
}
if (private->layer_stack)
{
g_slist_free (private->layer_stack);
private->layer_stack = NULL;
}
if (private->selection_mask)
{
g_object_unref (private->selection_mask);
private->selection_mask = NULL;
}
if (private->preview)
{
temp_buf_free (private->preview);
private->preview = NULL;
}
if (private->parasites)
{
g_object_unref (private->parasites);
private->parasites = NULL;
}
if (private->guides)
{
g_list_foreach (private->guides, (GFunc) g_object_unref, NULL);
g_list_free (private->guides);
private->guides = NULL;
}
if (private->grid)
{
g_object_unref (private->grid);
private->grid = NULL;
}
if (private->sample_points)
{
g_list_foreach (private->sample_points,
(GFunc) gimp_sample_point_unref, NULL);
g_list_free (private->sample_points);
private->sample_points = NULL;
}
if (private->undo_stack)
{
g_object_unref (private->undo_stack);
private->undo_stack = NULL;
}
if (private->redo_stack)
{
g_object_unref (private->redo_stack);
private->redo_stack = NULL;
}
if (image->gimp && image->gimp->image_table)
{
g_hash_table_remove (image->gimp->image_table,
GINT_TO_POINTER (private->ID));
image->gimp = NULL;
}
if (private->display_name)
{
g_free (private->display_name);
private->display_name = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_image_name_changed (GimpObject *object)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
const gchar *name;
if (GIMP_OBJECT_CLASS (parent_class)->name_changed)
GIMP_OBJECT_CLASS (parent_class)->name_changed (object);
if (private->display_name)
{
g_free (private->display_name);
private->display_name = NULL;
}
/* We never want the empty string as a name, so change empty strings
* to NULL strings (without emitting the "name-changed" signal
* again)
*/
name = gimp_object_get_name (object);
if (name && strlen (name) == 0)
gimp_object_name_free (object);
}
static gint64
gimp_image_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpImage *image = GIMP_IMAGE (object);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
gint64 memsize = 0;
if (gimp_image_get_colormap (image))
memsize += GIMP_IMAGE_COLORMAP_SIZE;
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->palette),
gui_size);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->projection),
gui_size);
memsize += gimp_g_list_get_memsize (gimp_image_get_guides (image),
sizeof (GimpGuide));
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->grid), gui_size);
memsize += gimp_g_list_get_memsize (gimp_image_get_sample_points (image),
sizeof (GimpSamplePoint));
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->layers),
gui_size);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->channels),
gui_size);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->vectors),
gui_size);
memsize += gimp_g_slist_get_memsize (private->layer_stack, 0);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->selection_mask),
gui_size);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->parasites),
gui_size);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->undo_stack),
gui_size);
memsize += gimp_object_get_memsize (GIMP_OBJECT (private->redo_stack),
gui_size);
*gui_size += temp_buf_get_memsize (private->preview);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static gboolean
gimp_image_get_size (GimpViewable *viewable,
gint *width,
gint *height)
{
GimpImage *image = GIMP_IMAGE (viewable);
*width = gimp_image_get_width (image);
*height = gimp_image_get_height (image);
return TRUE;
}
static void
gimp_image_invalidate_preview (GimpViewable *viewable)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (viewable);
GIMP_VIEWABLE_CLASS (parent_class)->invalidate_preview (viewable);
if (private->preview)
{
temp_buf_free (private->preview);
private->preview = NULL;
}
}
static void
gimp_image_size_changed (GimpViewable *viewable)
{
GimpImage *image = GIMP_IMAGE (viewable);
GList *all_items;
GList *list;
if (GIMP_VIEWABLE_CLASS (parent_class)->size_changed)
GIMP_VIEWABLE_CLASS (parent_class)->size_changed (viewable);
all_items = gimp_image_get_layer_list (image);
for (list = all_items; list; list = g_list_next (list))
{
GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (list->data));
gimp_viewable_size_changed (GIMP_VIEWABLE (list->data));
if (mask)
gimp_viewable_size_changed (GIMP_VIEWABLE (mask));
}
g_list_free (all_items);
all_items = gimp_image_get_channel_list (image);
g_list_foreach (all_items, (GFunc) gimp_viewable_size_changed, NULL);
g_list_free (all_items);
all_items = gimp_image_get_vectors_list (image);
g_list_foreach (all_items, (GFunc) gimp_viewable_size_changed, NULL);
g_list_free (all_items);
gimp_viewable_size_changed (GIMP_VIEWABLE (gimp_image_get_mask (image)));
gimp_projectable_structure_changed (GIMP_PROJECTABLE (image));
}
static gchar *
gimp_image_get_description (GimpViewable *viewable,
gchar **tooltip)
{
GimpImage *image = GIMP_IMAGE (viewable);
if (tooltip)
{
*tooltip = file_utils_uri_display_name (gimp_image_get_uri_or_untitled (image));
}
return g_strdup_printf ("%s-%d",
gimp_image_get_display_name (image),
gimp_image_get_ID (image));
}
static void
gimp_image_real_mode_changed (GimpImage *image)
{
gimp_projectable_structure_changed (GIMP_PROJECTABLE (image));
}
static void
gimp_image_real_size_changed_detailed (GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height)
{
/* Whenever GimpImage::size-changed-detailed is emitted, so is
* GimpViewable::size-changed. Clients choose what signal to listen
* to depending on how much info they need.
*/
gimp_viewable_size_changed (GIMP_VIEWABLE (image));
}
static void
gimp_image_real_colormap_changed (GimpImage *image,
gint color_index)
{
if (gimp_image_base_type (image) == GIMP_INDEXED)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
gimp_image_color_hash_invalidate (image, color_index);
/* A colormap alteration affects the whole image */
gimp_image_invalidate (image,
0, 0,
gimp_image_get_width (image),
gimp_image_get_height (image));
gimp_item_stack_invalidate_previews (GIMP_ITEM_STACK (private->layers->container));
}
}
static const guint8 *
gimp_image_get_icc_profile (GimpColorManaged *managed,
gsize *len)
{
const GimpParasite *parasite;
parasite = gimp_image_parasite_find (GIMP_IMAGE (managed), "icc-profile");
if (parasite)
{
gsize data_size = gimp_parasite_data_size (parasite);
if (data_size > 0)
{
*len = data_size;
return gimp_parasite_data (parasite);
}
}
return NULL;
}
static void
gimp_image_projectable_flush (GimpProjectable *projectable,
gboolean invalidate_preview)
{
GimpImage *image = GIMP_IMAGE (projectable);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
if (private->flush_accum.alpha_changed)
{
gimp_image_alpha_changed (image);
private->flush_accum.alpha_changed = FALSE;
}
if (private->flush_accum.mask_changed)
{
gimp_image_mask_changed (image);
private->flush_accum.mask_changed = FALSE;
}
if (private->flush_accum.floating_selection_changed)
{
gimp_image_floating_selection_changed (image);
private->flush_accum.floating_selection_changed = FALSE;
}
if (private->flush_accum.preview_invalidated)
{
/* don't invalidate the preview here, the projection does this when
* it is completely constructed.
*/
private->flush_accum.preview_invalidated = FALSE;
}
}
static GimpImage *
gimp_image_get_image (GimpProjectable *projectable)
{
return GIMP_IMAGE (projectable);
}
static GimpImageType
gimp_image_get_image_type (GimpProjectable *projectable)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (projectable);
GimpImageType type;
type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (private->base_type);
return GIMP_IMAGE_TYPE_WITH_ALPHA (type);
}
static GeglNode *
gimp_image_get_graph (GimpProjectable *projectable)
{
GimpImage *image = GIMP_IMAGE (projectable);
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GeglNode *layers_node;
GeglNode *channels_node;
GeglNode *blend_node;
GeglNode *output;
if (private->graph)
return private->graph;
private->graph = gegl_node_new ();
layers_node =
gimp_drawable_stack_get_graph (GIMP_DRAWABLE_STACK (private->layers->container));
gegl_node_add_child (private->graph, layers_node);
channels_node =
gimp_drawable_stack_get_graph (GIMP_DRAWABLE_STACK (private->channels->container));
gegl_node_add_child (private->graph, channels_node);
blend_node = gegl_node_new_child (private->graph,
"operation", "gegl:over",
NULL);
gegl_node_connect_to (layers_node, "output",
blend_node, "input");
gegl_node_connect_to (channels_node, "output",
blend_node, "aux");
output = gegl_node_get_output_proxy (private->graph, "output");
gegl_node_connect_to (blend_node, "output",
output, "input");
return private->graph;
}
static void
gimp_image_mask_update (GimpDrawable *drawable,
gint x,
gint y,
gint width,
gint height,
GimpImage *image)
{
GIMP_IMAGE_GET_PRIVATE (image)->flush_accum.mask_changed = TRUE;
}
static void
gimp_image_layer_alpha_changed (GimpDrawable *drawable,
GimpImage *image)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
if (gimp_container_get_n_children (private->layers->container) == 1)
private->flush_accum.alpha_changed = TRUE;
}
static void
gimp_image_channel_add (GimpContainer *container,
GimpChannel *channel,
GimpImage *image)
{
if (! strcmp (GIMP_IMAGE_QUICK_MASK_NAME,
gimp_object_get_name (channel)))
{
gimp_image_set_quick_mask_state (image, TRUE);
}
}
static void
gimp_image_channel_remove (GimpContainer *container,
GimpChannel *channel,
GimpImage *image)
{
if (! strcmp (GIMP_IMAGE_QUICK_MASK_NAME,
gimp_object_get_name (channel)))
{
gimp_image_set_quick_mask_state (image, FALSE);
}
}
static void
gimp_image_channel_name_changed (GimpChannel *channel,
GimpImage *image)
{
if (! strcmp (GIMP_IMAGE_QUICK_MASK_NAME,
gimp_object_get_name (channel)))
{
gimp_image_set_quick_mask_state (image, TRUE);
}
else if (gimp_image_get_quick_mask_state (image) &&
! gimp_image_get_quick_mask (image))
{
gimp_image_set_quick_mask_state (image, FALSE);
}
}
static void
gimp_image_channel_color_changed (GimpChannel *channel,
GimpImage *image)
{
if (! strcmp (GIMP_IMAGE_QUICK_MASK_NAME,
gimp_object_get_name (channel)))
{
GIMP_IMAGE_GET_PRIVATE (image)->quick_mask_color = channel->color;
}
}
static void
gimp_image_active_layer_notify (GimpItemTree *tree,
const GParamSpec *pspec,
GimpImage *image)
{
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GimpLayer *layer = gimp_image_get_active_layer (image);
if (layer)
{
/* Configure the layer stack to reflect this change */
private->layer_stack = g_slist_remove (private->layer_stack, layer);
private->layer_stack = g_slist_prepend (private->layer_stack, layer);
}
g_signal_emit (image, gimp_image_signals[ACTIVE_LAYER_CHANGED], 0);
if (layer && gimp_image_get_active_channel (image))
gimp_image_set_active_channel (image, NULL);
}
static void
gimp_image_active_channel_notify (GimpItemTree *tree,
const GParamSpec *pspec,
GimpImage *image)
{
GimpChannel *channel = gimp_image_get_active_channel (image);
g_signal_emit (image, gimp_image_signals[ACTIVE_CHANNEL_CHANGED], 0);
if (channel && gimp_image_get_active_layer (image))
gimp_image_set_active_layer (image, NULL);
}
static void
gimp_image_active_vectors_notify (GimpItemTree *tree,
const GParamSpec *pspec,
GimpImage *image)
{
g_signal_emit (image, gimp_image_signals[ACTIVE_VECTORS_CHANGED], 0);
}
/* public functions */
GimpImage *
gimp_image_new (Gimp *gimp,
gint width,
gint height,
GimpImageBaseType base_type)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_new (GIMP_TYPE_IMAGE,
"gimp", gimp,
"width", width,
"height", height,
"base-type", base_type,
NULL);
}
GimpImageBaseType
gimp_image_base_type (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), -1);
return GIMP_IMAGE_GET_PRIVATE (image)->base_type;
}
GimpImageType
gimp_image_base_type_with_alpha (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), -1);
switch (GIMP_IMAGE_GET_PRIVATE (image)->base_type)
{
case GIMP_RGB:
return GIMP_RGBA_IMAGE;
case GIMP_GRAY:
return GIMP_GRAYA_IMAGE;
case GIMP_INDEXED:
return GIMP_INDEXEDA_IMAGE;
}
return GIMP_RGB_IMAGE;
}
CombinationMode
gimp_image_get_combination_mode (GimpImageType dest_type,
gint src_bytes)
{
return valid_combinations[dest_type][src_bytes];
}
gint
gimp_image_get_ID (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), -1);
return GIMP_IMAGE_GET_PRIVATE (image)->ID;
}
GimpImage *
gimp_image_get_by_ID (Gimp *gimp,
gint image_id)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
if (gimp->image_table == NULL)
return NULL;
return (GimpImage *) g_hash_table_lookup (gimp->image_table,
GINT_TO_POINTER (image_id));
}
void
gimp_image_set_uri (GimpImage *image,
const gchar *uri)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
gimp_object_set_name (GIMP_OBJECT (image), uri);
}
static void
gimp_image_take_uri (GimpImage *image,
gchar *uri)
{
gimp_object_take_name (GIMP_OBJECT (image), uri);
}
/**
* gimp_image_get_untitled_string:
*
* Returns: The (translated) "Untitled" string for newly created
* images.
**/
const gchar *
gimp_image_get_string_untitled (void)
{
return _("Untitled");
}
/**
* gimp_image_get_uri_or_untitled:
* @image: A #GimpImage.
*
* Get the URI of the XCF image, or "Untitled" if there is no URI.
*
* Returns: The URI, or "Untitled".
**/
const gchar *
gimp_image_get_uri_or_untitled (const GimpImage *image)
{
const gchar *uri;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
uri = gimp_image_get_uri (image);
return uri ? uri : gimp_image_get_string_untitled ();
}
/**
* gimp_image_get_uri:
* @image: A #GimpImage.
*
* Get the URI of the XCF image, or NULL if there is no URI.
*
* Returns: The URI, or NULL.
**/
const gchar *
gimp_image_get_uri (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return gimp_object_get_name (image);
}
void
gimp_image_set_filename (GimpImage *image,
const gchar *filename)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
if (filename && strlen (filename))
{
gimp_image_take_uri (image,
file_utils_filename_to_uri (image->gimp,
filename,
NULL));
}
else
{
gimp_image_set_uri (image, NULL);
}
}
/**
* gimp_image_get_imported_uri:
* @image: A #GimpImage.
*
* Returns: The URI of the imported image, or NULL if the image has
* been saved as XCF after it was imported.
**/
const gchar *
gimp_image_get_imported_uri (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return g_object_get_data (G_OBJECT (image),
GIMP_FILE_IMPORT_SOURCE_URI_KEY);
}
/**
* gimp_image_get_exported_uri:
* @image: A #GimpImage.
*
* Returns: The URI of the image last exported from this XCF file, or
* NULL if the image has never been exported.
**/
const gchar *
gimp_image_get_exported_uri (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return g_object_get_data (G_OBJECT (image),
GIMP_FILE_EXPORT_URI_KEY);
}
/**
* gimp_image_get_save_a_copy_uri:
* @image: A #GimpImage.
*
* Returns: The URI of the last copy that was saved of this XCF file.
**/
const gchar *
gimp_image_get_save_a_copy_uri (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return g_object_get_data (G_OBJECT (image),
GIMP_FILE_SAVE_A_COPY_URI_KEY);
}
/**
* gimp_image_set_imported_uri:
* @image: A #GimpImage.
* @uri:
*
* Sets the URI this file was imported from.
**/
void
gimp_image_set_imported_uri (GimpImage *image,
const gchar *uri)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_object_set_data_full (G_OBJECT (image), GIMP_FILE_IMPORT_SOURCE_URI_KEY,
g_strdup (uri), (GDestroyNotify) g_free);
}
/**
* gimp_image_set_exported_uri:
* @image: A #GimpImage.
* @uri:
*
* Sets the URI this file was last exported to. Note that saving as
* XCF is not "exporting".
**/
void
gimp_image_set_exported_uri (GimpImage *image,
const gchar *uri)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_object_set_data_full (G_OBJECT (image),
GIMP_FILE_EXPORT_URI_KEY,
g_strdup (uri), (GDestroyNotify) g_free);
}
/**
* gimp_image_set_save_a_copy_uri:
* @image: A #GimpImage.
* @uri:
*
* Set the URI to the last copy this XCF file was saved to through the
* "save a copy" action.
**/
void
gimp_image_set_save_a_copy_uri (GimpImage *image,
const gchar *uri)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_object_set_data_full (G_OBJECT (image),
GIMP_FILE_SAVE_A_COPY_URI_KEY,
g_strdup (uri), (GDestroyNotify) g_free);
}
gchar *
gimp_image_get_filename (const GimpImage *image)
{
const gchar *uri;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
uri = gimp_image_get_uri (image);
if (! uri)
return NULL;
return g_filename_from_uri (uri, NULL, NULL);
}
const gchar *
gimp_image_get_display_name (GimpImage *image)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
if (! private->display_name)
{
const gchar *uri = gimp_image_get_uri_or_untitled (image);
private->display_name = file_utils_uri_display_basename (uri);
}
return private->display_name;
}
void
gimp_image_set_load_proc (GimpImage *image,
GimpPlugInProcedure *proc)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
GIMP_IMAGE_GET_PRIVATE (image)->load_proc = proc;
}
GimpPlugInProcedure *
gimp_image_get_load_proc (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->load_proc;
}
void
gimp_image_set_save_proc (GimpImage *image,
GimpPlugInProcedure *proc)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
GIMP_IMAGE_GET_PRIVATE (image)->save_proc = proc;
}
GimpPlugInProcedure *
gimp_image_get_save_proc (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->save_proc;
}
void
gimp_image_set_resolution (GimpImage *image,
gdouble xresolution,
gdouble yresolution)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
private = GIMP_IMAGE_GET_PRIVATE (image);
/* don't allow to set the resolution out of bounds */
if (xresolution < GIMP_MIN_RESOLUTION || xresolution > GIMP_MAX_RESOLUTION ||
yresolution < GIMP_MIN_RESOLUTION || yresolution > GIMP_MAX_RESOLUTION)
return;
if ((ABS (private->xresolution - xresolution) >= 1e-5) ||
(ABS (private->yresolution - yresolution) >= 1e-5))
{
gimp_image_undo_push_image_resolution (image,
C_("undo-type", "Change Image Resolution"));
private->xresolution = xresolution;
private->yresolution = yresolution;
gimp_image_resolution_changed (image);
gimp_image_size_changed_detailed (image,
0,
0,
gimp_image_get_width (image),
gimp_image_get_height (image));
}
}
void
gimp_image_get_resolution (const GimpImage *image,
gdouble *xresolution,
gdouble *yresolution)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (xresolution != NULL && yresolution != NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
*xresolution = private->xresolution;
*yresolution = private->yresolution;
}
void
gimp_image_resolution_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[RESOLUTION_CHANGED], 0);
}
void
gimp_image_set_unit (GimpImage *image,
GimpUnit unit)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (unit > GIMP_UNIT_PIXEL);
private = GIMP_IMAGE_GET_PRIVATE (image);
if (private->resolution_unit != unit)
{
gimp_image_undo_push_image_resolution (image,
C_("undo-type", "Change Image Unit"));
private->resolution_unit = unit;
gimp_image_unit_changed (image);
}
}
GimpUnit
gimp_image_get_unit (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), GIMP_UNIT_INCH);
return GIMP_IMAGE_GET_PRIVATE (image)->resolution_unit;
}
void
gimp_image_unit_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[UNIT_CHANGED], 0);
}
gint
gimp_image_get_width (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
return GIMP_IMAGE_GET_PRIVATE (image)->width;
}
gint
gimp_image_get_height (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
return GIMP_IMAGE_GET_PRIVATE (image)->height;
}
gboolean
gimp_image_has_alpha (const GimpImage *image)
{
GimpImagePrivate *private;
GimpLayer *layer;
g_return_val_if_fail (GIMP_IS_IMAGE (image), TRUE);
private = GIMP_IMAGE_GET_PRIVATE (image);
layer = GIMP_LAYER (gimp_container_get_first_child (private->layers->container));
return ((gimp_image_get_n_layers (image) > 1) ||
(layer && gimp_drawable_has_alpha (GIMP_DRAWABLE (layer))));
}
gboolean
gimp_image_is_empty (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), TRUE);
return gimp_container_is_empty (GIMP_IMAGE_GET_PRIVATE (image)->layers->container);
}
void
gimp_image_set_floating_selection (GimpImage *image,
GimpLayer *floating_sel)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (floating_sel == NULL || GIMP_IS_LAYER (floating_sel));
private = GIMP_IMAGE_GET_PRIVATE (image);
if (private->floating_sel != floating_sel)
{
private->floating_sel = floating_sel;
private->flush_accum.floating_selection_changed = TRUE;
}
}
GimpLayer *
gimp_image_get_floating_selection (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->floating_sel;
}
void
gimp_image_floating_selection_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[FLOATING_SELECTION_CHANGED], 0);
}
GimpChannel *
gimp_image_get_mask (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->selection_mask;
}
void
gimp_image_mask_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[MASK_CHANGED], 0);
}
/* image components */
gint
gimp_image_get_component_index (const GimpImage *image,
GimpChannelType channel)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), -1);
switch (channel)
{
case GIMP_RED_CHANNEL: return RED;
case GIMP_GREEN_CHANNEL: return GREEN;
case GIMP_BLUE_CHANNEL: return BLUE;
case GIMP_GRAY_CHANNEL: return GRAY;
case GIMP_INDEXED_CHANNEL: return INDEXED;
case GIMP_ALPHA_CHANNEL:
switch (gimp_image_base_type (image))
{
case GIMP_RGB: return ALPHA;
case GIMP_GRAY: return ALPHA_G;
case GIMP_INDEXED: return ALPHA_I;
}
}
return -1;
}
void
gimp_image_set_component_active (GimpImage *image,
GimpChannelType channel,
gboolean active)
{
GimpImagePrivate *private;
gint index = -1;
g_return_if_fail (GIMP_IS_IMAGE (image));
private = GIMP_IMAGE_GET_PRIVATE (image);
index = gimp_image_get_component_index (image, channel);
if (index != -1 && active != private->active[index])
{
GimpLayer *floating_sel = gimp_image_get_floating_selection (image);
private->active[index] = active ? TRUE : FALSE;
if (floating_sel)
gimp_drawable_update (GIMP_DRAWABLE (floating_sel),
0, 0,
gimp_item_get_width (GIMP_ITEM (floating_sel)),
gimp_item_get_height (GIMP_ITEM (floating_sel)));
/* If there is an active channel and we mess with the components,
* the active channel gets unset...
*/
gimp_image_unset_active_channel (image);
g_signal_emit (image,
gimp_image_signals[COMPONENT_ACTIVE_CHANGED], 0,
channel);
}
}
gboolean
gimp_image_get_component_active (const GimpImage *image,
GimpChannelType channel)
{
gint index = -1;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
index = gimp_image_get_component_index (image, channel);
if (index != -1)
return GIMP_IMAGE_GET_PRIVATE (image)->active[index];
return FALSE;
}
void
gimp_image_get_active_array (const GimpImage *image,
gboolean *components)
{
GimpImagePrivate *private;
gint i;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (components != NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
for (i = 0; i < MAX_CHANNELS; i++)
components[i] = private->active[i];
}
void
gimp_image_set_component_visible (GimpImage *image,
GimpChannelType channel,
gboolean visible)
{
GimpImagePrivate *private;
gint index = -1;
g_return_if_fail (GIMP_IS_IMAGE (image));
private = GIMP_IMAGE_GET_PRIVATE (image);
index = gimp_image_get_component_index (image, channel);
if (index != -1 && visible != private->visible[index])
{
private->visible[index] = visible ? TRUE : FALSE;
g_signal_emit (image,
gimp_image_signals[COMPONENT_VISIBILITY_CHANGED], 0,
channel);
gimp_image_invalidate (image,
0, 0,
gimp_image_get_width (image),
gimp_image_get_height (image));
}
}
gboolean
gimp_image_get_component_visible (const GimpImage *image,
GimpChannelType channel)
{
gint index = -1;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
index = gimp_image_get_component_index (image, channel);
if (index != -1)
return GIMP_IMAGE_GET_PRIVATE (image)->visible[index];
return FALSE;
}
void
gimp_image_get_visible_array (const GimpImage *image,
gboolean *components)
{
GimpImagePrivate *private;
gint i;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (components != NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
for (i = 0; i < MAX_CHANNELS; i++)
components[i] = private->visible[i];
}
/* emitting image signals */
void
gimp_image_mode_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[MODE_CHANGED], 0);
}
void
gimp_image_alpha_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[ALPHA_CHANGED], 0);
}
void
gimp_image_invalidate (GimpImage *image,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
gimp_projectable_invalidate (GIMP_PROJECTABLE (image),
x, y, width, height);
GIMP_IMAGE_GET_PRIVATE (image)->flush_accum.preview_invalidated = TRUE;
}
void
gimp_image_guide_added (GimpImage *image,
GimpGuide *guide)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_GUIDE (guide));
g_signal_emit (image, gimp_image_signals[GUIDE_ADDED], 0,
guide);
}
void
gimp_image_guide_removed (GimpImage *image,
GimpGuide *guide)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_GUIDE (guide));
g_signal_emit (image, gimp_image_signals[GUIDE_REMOVED], 0,
guide);
}
void
gimp_image_guide_moved (GimpImage *image,
GimpGuide *guide)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_GUIDE (guide));
g_signal_emit (image, gimp_image_signals[GUIDE_MOVED], 0,
guide);
}
void
gimp_image_sample_point_added (GimpImage *image,
GimpSamplePoint *sample_point)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (sample_point != NULL);
g_signal_emit (image, gimp_image_signals[SAMPLE_POINT_ADDED], 0,
sample_point);
}
void
gimp_image_sample_point_removed (GimpImage *image,
GimpSamplePoint *sample_point)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (sample_point != NULL);
g_signal_emit (image, gimp_image_signals[SAMPLE_POINT_REMOVED], 0,
sample_point);
}
void
gimp_image_sample_point_moved (GimpImage *image,
GimpSamplePoint *sample_point)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (sample_point != NULL);
g_signal_emit (image, gimp_image_signals[SAMPLE_POINT_MOVED], 0,
sample_point);
}
/**
* gimp_image_size_changed_detailed:
* @image:
* @previous_origin_x:
* @previous_origin_y:
*
* Emits the size-changed-detailed signal that is typically used to adjust the
* position of the image in the display shell on various operations,
* e.g. crop.
*
* This function makes sure that GimpViewable::size-changed is also emitted.
**/
void
gimp_image_size_changed_detailed (GimpImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[SIZE_CHANGED_DETAILED], 0,
previous_origin_x,
previous_origin_y,
previous_width,
previous_height);
}
void
gimp_image_colormap_changed (GimpImage *image,
gint color_index)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (color_index >= -1 &&
color_index < GIMP_IMAGE_GET_PRIVATE (image)->n_colors);
g_signal_emit (image, gimp_image_signals[COLORMAP_CHANGED], 0,
color_index);
}
void
gimp_image_selection_invalidate (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[SELECTION_INVALIDATE], 0);
}
void
gimp_image_quick_mask_changed (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[QUICK_MASK_CHANGED], 0);
}
void
gimp_image_undo_event (GimpImage *image,
GimpUndoEvent event,
GimpUndo *undo)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (((event == GIMP_UNDO_EVENT_UNDO_FREE ||
event == GIMP_UNDO_EVENT_UNDO_FREEZE ||
event == GIMP_UNDO_EVENT_UNDO_THAW) && undo == NULL) ||
GIMP_IS_UNDO (undo));
g_signal_emit (image, gimp_image_signals[UNDO_EVENT], 0, event, undo);
}
/* dirty counters */
/* NOTE about the image->dirty counter:
* If 0, then the image is clean (ie, copy on disk is the same as the one
* in memory).
* If positive, then that's the number of dirtying operations done
* on the image since the last save.
* If negative, then user has hit undo and gone back in time prior
* to the saved copy. Hitting redo will eventually come back to
* the saved copy.
*
* The image is dirty (ie, needs saving) if counter is non-zero.
*
* If the counter is around 100000, this is due to undo-ing back
* before a saved version, then changing the image (thus destroying
* the redo stack). Once this has happened, it's impossible to get
* the image back to the state on disk, since the redo info has been
* freed. See gimpimage-undo.c for the gory details.
*/
/*
* NEVER CALL gimp_image_dirty() directly!
*
* If your code has just dirtied the image, push an undo instead.
* Failing that, push the trivial undo which tells the user the
* command is not undoable: undo_push_cantundo() (But really, it would
* be best to push a proper undo). If you just dirty the image
* without pushing an undo then the dirty count is increased, but
* popping that many undo actions won't lead to a clean image.
*/
gint
gimp_image_dirty (GimpImage *image,
GimpDirtyMask dirty_mask)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
private = GIMP_IMAGE_GET_PRIVATE (image);
private->dirty++;
private->export_dirty++;
if (! private->dirty_time)
private->dirty_time = time (NULL);
g_signal_emit (image, gimp_image_signals[DIRTY], 0, dirty_mask);
TRC (("dirty %d -> %d\n", private->dirty - 1, private->dirty));
return private->dirty;
}
gint
gimp_image_clean (GimpImage *image,
GimpDirtyMask dirty_mask)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
private = GIMP_IMAGE_GET_PRIVATE (image);
private->dirty--;
private->export_dirty--;
g_signal_emit (image, gimp_image_signals[CLEAN], 0, dirty_mask);
TRC (("clean %d -> %d\n", private->dirty + 1, private->dirty));
return private->dirty;
}
void
gimp_image_clean_all (GimpImage *image)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
private = GIMP_IMAGE_GET_PRIVATE (image);
private->dirty = 0;
private->dirty_time = 0;
g_signal_emit (image, gimp_image_signals[CLEAN], 0, GIMP_DIRTY_ALL);
}
void
gimp_image_export_clean_all (GimpImage *image)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
private = GIMP_IMAGE_GET_PRIVATE (image);
private->export_dirty = 0;
g_signal_emit (image, gimp_image_signals[CLEAN], 0, GIMP_DIRTY_ALL);
}
/**
* gimp_image_is_dirty:
* @image:
*
* Returns: True if the image is dirty, false otherwise.
**/
gint
gimp_image_is_dirty (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
return GIMP_IMAGE_GET_PRIVATE (image)->dirty != 0;
}
/**
* gimp_image_is_export_dirty:
* @image:
*
* Returns: True if the image export is dirty, false otherwise.
**/
gboolean
gimp_image_is_export_dirty (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
return GIMP_IMAGE_GET_PRIVATE (image)->export_dirty != 0;
}
gint
gimp_image_get_dirty_time (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
return GIMP_IMAGE_GET_PRIVATE (image)->dirty_time;
}
/**
* gimp_image_saved:
* @image:
* @uri:
*
* Emits the "saved" signal, indicating that @image was saved to the
* location specified by @uri.
*/
void
gimp_image_saved (GimpImage *image,
const gchar *uri)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (uri != NULL);
g_signal_emit (image, gimp_image_signals[SAVED], 0, uri);
}
/**
* gimp_image_exported:
* @image:
* @uri:
*
* Emits the "exported" signal, indicating that @image was exported to the
* location specified by @uri.
*/
void
gimp_image_exported (GimpImage *image,
const gchar *uri)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (uri != NULL);
g_signal_emit (image, gimp_image_signals[EXPORTED], 0, uri);
}
/* flush this image's displays */
void
gimp_image_flush (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
gimp_projectable_flush (GIMP_PROJECTABLE (image),
GIMP_IMAGE_GET_PRIVATE (image)->flush_accum.preview_invalidated);
}
/* display / instance counters */
gint
gimp_image_get_display_count (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
return GIMP_IMAGE_GET_PRIVATE (image)->disp_count;
}
void
gimp_image_inc_display_count (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
GIMP_IMAGE_GET_PRIVATE (image)->disp_count++;
}
void
gimp_image_dec_display_count (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
GIMP_IMAGE_GET_PRIVATE (image)->disp_count--;
}
gint
gimp_image_get_instance_count (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
return GIMP_IMAGE_GET_PRIVATE (image)->instance_count;
}
void
gimp_image_inc_instance_count (GimpImage *image)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
GIMP_IMAGE_GET_PRIVATE (image)->instance_count++;
}
/* color transforms / utilities */
void
gimp_image_get_foreground (const GimpImage *image,
GimpContext *context,
GimpImageType dest_type,
guchar *fg)
{
GimpRGB color;
guchar pfg[3];
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (fg != NULL);
gimp_context_get_foreground (context, &color);
gimp_rgb_get_uchar (&color, &pfg[0], &pfg[1], &pfg[2]);
gimp_image_transform_color (image, dest_type, fg, GIMP_RGB, pfg);
}
void
gimp_image_get_background (const GimpImage *image,
GimpContext *context,
GimpImageType dest_type,
guchar *bg)
{
GimpRGB color;
guchar pbg[3];
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (bg != NULL);
gimp_context_get_background (context, &color);
gimp_rgb_get_uchar (&color, &pbg[0], &pbg[1], &pbg[2]);
gimp_image_transform_color (image, dest_type, bg, GIMP_RGB, pbg);
}
void
gimp_image_get_color (const GimpImage *src_image,
GimpImageType src_type,
const guchar *src,
guchar *rgba)
{
gboolean has_alpha = FALSE;
g_return_if_fail (GIMP_IS_IMAGE (src_image));
switch (src_type)
{
case GIMP_RGBA_IMAGE:
has_alpha = TRUE;
case GIMP_RGB_IMAGE:
/* Straight copy */
*rgba++ = *src++;
*rgba++ = *src++;
*rgba++ = *src++;
break;
case GIMP_GRAYA_IMAGE:
has_alpha = TRUE;
case GIMP_GRAY_IMAGE:
/* Gray to RG&B */
*rgba++ = *src;
*rgba++ = *src;
*rgba++ = *src++;
break;
case GIMP_INDEXEDA_IMAGE:
has_alpha = TRUE;
case GIMP_INDEXED_IMAGE:
/* Indexed palette lookup */
{
GimpImagePrivate *src_private = GIMP_IMAGE_GET_PRIVATE (src_image);
gint index = *src++ * 3;
*rgba++ = src_private->colormap[index++];
*rgba++ = src_private->colormap[index++];
*rgba++ = src_private->colormap[index++];
}
break;
}
if (has_alpha)
*rgba = *src;
else
*rgba = OPAQUE_OPACITY;
}
void
gimp_image_transform_rgb (const GimpImage *dest_image,
GimpImageType dest_type,
const GimpRGB *rgb,
guchar *color)
{
guchar col[3];
g_return_if_fail (GIMP_IS_IMAGE (dest_image));
g_return_if_fail (rgb != NULL);
g_return_if_fail (color != NULL);
gimp_rgb_get_uchar (rgb, &col[0], &col[1], &col[2]);
gimp_image_transform_color (dest_image, dest_type, color, GIMP_RGB, col);
}
void
gimp_image_transform_color (const GimpImage *dest_image,
GimpImageType dest_type,
guchar *dest,
GimpImageBaseType src_type,
const guchar *src)
{
g_return_if_fail (GIMP_IS_IMAGE (dest_image));
g_return_if_fail (src_type != GIMP_INDEXED);
switch (src_type)
{
case GIMP_RGB:
switch (dest_type)
{
case GIMP_RGB_IMAGE:
case GIMP_RGBA_IMAGE:
/* Straight copy */
*dest++ = *src++;
*dest++ = *src++;
*dest++ = *src++;
break;
case GIMP_GRAY_IMAGE:
case GIMP_GRAYA_IMAGE:
/* NTSC conversion */
*dest = GIMP_RGB_LUMINANCE (src[RED],
src[GREEN],
src[BLUE]) + 0.5;
break;
case GIMP_INDEXED_IMAGE:
case GIMP_INDEXEDA_IMAGE:
/* Least squares method */
*dest = gimp_image_color_hash_rgb_to_indexed (dest_image,
src[RED],
src[GREEN],
src[BLUE]);
break;
}
break;
case GIMP_GRAY:
switch (dest_type)
{
case GIMP_RGB_IMAGE:
case GIMP_RGBA_IMAGE:
/* Gray to RG&B */
*dest++ = *src;
*dest++ = *src;
*dest++ = *src;
break;
case GIMP_GRAY_IMAGE:
case GIMP_GRAYA_IMAGE:
/* Straight copy */
*dest = *src;
break;
case GIMP_INDEXED_IMAGE:
case GIMP_INDEXEDA_IMAGE:
/* Least squares method */
*dest = gimp_image_color_hash_rgb_to_indexed (dest_image,
src[GRAY],
src[GRAY],
src[GRAY]);
break;
}
break;
default:
break;
}
}
TempBuf *
gimp_image_transform_temp_buf (const GimpImage *dest_image,
GimpImageType dest_type,
TempBuf *temp_buf,
gboolean *new_buf)
{
TempBuf *ret_buf;
GimpImageType ret_buf_type;
gboolean has_alpha;
gboolean is_rgb;
gint in_bytes;
gint out_bytes;
g_return_val_if_fail (GIMP_IMAGE (dest_image), NULL);
g_return_val_if_fail (temp_buf != NULL, NULL);
g_return_val_if_fail (new_buf != NULL, NULL);
in_bytes = temp_buf->bytes;
has_alpha = (in_bytes == 2 || in_bytes == 4);
is_rgb = (in_bytes == 3 || in_bytes == 4);
if (has_alpha)
ret_buf_type = GIMP_IMAGE_TYPE_WITH_ALPHA (dest_type);
else
ret_buf_type = GIMP_IMAGE_TYPE_WITHOUT_ALPHA (dest_type);
out_bytes = GIMP_IMAGE_TYPE_BYTES (ret_buf_type);
/* If the pattern doesn't match the image in terms of color type,
* transform it. (ie pattern is RGB, image is indexed)
*/
if (in_bytes != out_bytes || GIMP_IMAGE_TYPE_IS_INDEXED (dest_type))
{
guchar *src;
guchar *dest;
gint size;
ret_buf = temp_buf_new (temp_buf->width, temp_buf->height,
out_bytes, 0, 0, NULL);
src = temp_buf_get_data (temp_buf);
dest = temp_buf_get_data (ret_buf);
size = temp_buf->width * temp_buf->height;
while (size--)
{
gimp_image_transform_color (dest_image, dest_type, dest,
is_rgb ? GIMP_RGB : GIMP_GRAY, src);
/* Handle alpha */
if (has_alpha)
dest[out_bytes - 1] = src[in_bytes - 1];
src += in_bytes;
dest += out_bytes;
}
*new_buf = TRUE;
}
else
{
ret_buf = temp_buf;
*new_buf = FALSE;
}
return ret_buf;
}
/* parasites */
const GimpParasite *
gimp_image_parasite_find (const GimpImage *image,
const gchar *name)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return gimp_parasite_list_find (GIMP_IMAGE_GET_PRIVATE (image)->parasites,
name);
}
static void
list_func (gchar *key,
GimpParasite *p,
gchar ***cur)
{
*(*cur)++ = (gchar *) g_strdup (key);
}
gchar **
gimp_image_parasite_list (const GimpImage *image,
gint *count)
{
GimpImagePrivate *private;
gchar **list;
gchar **cur;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
*count = gimp_parasite_list_length (private->parasites);
cur = list = g_new (gchar *, *count);
gimp_parasite_list_foreach (private->parasites, (GHFunc) list_func, &cur);
return list;
}
void
gimp_image_parasite_attach (GimpImage *image,
const GimpParasite *parasite)
{
GimpParasite copy;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (parasite != NULL);
/* make a temporary copy of the GimpParasite struct because
* gimp_parasite_shift_parent() changes it
*/
copy = *parasite;
/* only set the dirty bit manually if we can be saved and the new
* parasite differs from the current one and we aren't undoable
*/
if (gimp_parasite_is_undoable (&copy))
gimp_image_undo_push_image_parasite (image,
C_("undo-type", "Attach Parasite to Image"),
&copy);
/* We used to push an cantundo on te stack here. This made the undo stack
* unusable (NULL on the stack) and prevented people from undoing after a
* save (since most save plug-ins attach an undoable comment parasite).
* Now we simply attach the parasite without pushing an undo. That way
* it's undoable but does not block the undo system. --Sven
*/
gimp_parasite_list_add (GIMP_IMAGE_GET_PRIVATE (image)->parasites, &copy);
if (gimp_parasite_has_flag (&copy, GIMP_PARASITE_ATTACH_PARENT))
{
gimp_parasite_shift_parent (&copy);
gimp_parasite_attach (image->gimp, &copy);
}
g_signal_emit (image, gimp_image_signals[PARASITE_ATTACHED], 0,
parasite->name);
if (strcmp (parasite->name, "icc-profile") == 0)
gimp_color_managed_profile_changed (GIMP_COLOR_MANAGED (image));
}
void
gimp_image_parasite_detach (GimpImage *image,
const gchar *name)
{
GimpImagePrivate *private;
const GimpParasite *parasite;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (name != NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
if (! (parasite = gimp_parasite_list_find (private->parasites, name)))
return;
if (gimp_parasite_is_undoable (parasite))
gimp_image_undo_push_image_parasite_remove (image,
C_("undo-type", "Remove Parasite from Image"),
name);
gimp_parasite_list_remove (private->parasites, name);
g_signal_emit (image, gimp_image_signals[PARASITE_DETACHED], 0,
name);
if (strcmp (name, "icc-profile") == 0)
gimp_color_managed_profile_changed (GIMP_COLOR_MANAGED (image));
}
/* tattoos */
GimpTattoo
gimp_image_get_new_tattoo (GimpImage *image)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
private = GIMP_IMAGE_GET_PRIVATE (image);
private->tattoo_state++;
if (G_UNLIKELY (private->tattoo_state == 0))
g_warning ("%s: Tattoo state corrupted (integer overflow).", G_STRFUNC);
return private->tattoo_state;
}
GimpTattoo
gimp_image_get_tattoo_state (GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
return GIMP_IMAGE_GET_PRIVATE (image)->tattoo_state;
}
gboolean
gimp_image_set_tattoo_state (GimpImage *image,
GimpTattoo val)
{
GList *all_items;
GList *list;
gboolean retval = TRUE;
GimpTattoo maxval = 0;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
/* Check that the layer tattoos don't overlap with channel or vector ones */
all_items = gimp_image_get_layer_list (image);
for (list = all_items; list; list = g_list_next (list))
{
GimpTattoo ltattoo;
ltattoo = gimp_item_get_tattoo (GIMP_ITEM (list->data));
if (ltattoo > maxval)
maxval = ltattoo;
if (gimp_image_get_channel_by_tattoo (image, ltattoo))
retval = FALSE; /* Oopps duplicated tattoo in channel */
if (gimp_image_get_vectors_by_tattoo (image, ltattoo))
retval = FALSE; /* Oopps duplicated tattoo in vectors */
}
g_list_free (all_items);
/* Now check that the channel and vectors tattoos don't overlap */
all_items = gimp_image_get_channel_list (image);
for (list = all_items; list; list = g_list_next (list))
{
GimpTattoo ctattoo;
ctattoo = gimp_item_get_tattoo (GIMP_ITEM (list->data));
if (ctattoo > maxval)
maxval = ctattoo;
if (gimp_image_get_vectors_by_tattoo (image, ctattoo))
retval = FALSE; /* Oopps duplicated tattoo in vectors */
}
g_list_free (all_items);
/* Find the max tattoo value in the vectors */
all_items = gimp_image_get_vectors_list (image);
for (list = all_items; list; list = g_list_next (list))
{
GimpTattoo vtattoo;
vtattoo = gimp_item_get_tattoo (GIMP_ITEM (list->data));
if (vtattoo > maxval)
maxval = vtattoo;
}
g_list_free (all_items);
if (val < maxval)
retval = FALSE;
/* Must check if the state is valid */
if (retval == TRUE)
GIMP_IMAGE_GET_PRIVATE (image)->tattoo_state = val;
return retval;
}
/* projection */
GimpProjection *
gimp_image_get_projection (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->projection;
}
/* layers / channels / vectors */
GimpItemTree *
gimp_image_get_layer_tree (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->layers;
}
GimpItemTree *
gimp_image_get_channel_tree (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->channels;
}
GimpItemTree *
gimp_image_get_vectors_tree (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->vectors;
}
GimpContainer *
gimp_image_get_layers (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->layers->container;
}
GimpContainer *
gimp_image_get_channels (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->channels->container;
}
GimpContainer *
gimp_image_get_vectors (const GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->vectors->container;
}
gint
gimp_image_get_n_layers (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
stack = GIMP_ITEM_STACK (gimp_image_get_layers (image));
return gimp_item_stack_get_n_items (stack);
}
gint
gimp_image_get_n_channels (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
stack = GIMP_ITEM_STACK (gimp_image_get_channels (image));
return gimp_item_stack_get_n_items (stack);
}
gint
gimp_image_get_n_vectors (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), 0);
stack = GIMP_ITEM_STACK (gimp_image_get_vectors (image));
return gimp_item_stack_get_n_items (stack);
}
GList *
gimp_image_get_layer_iter (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_layers (image));
return gimp_item_stack_get_item_iter (stack);
}
GList *
gimp_image_get_channel_iter (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_channels (image));
return gimp_item_stack_get_item_iter (stack);
}
GList *
gimp_image_get_vectors_iter (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_vectors (image));
return gimp_item_stack_get_item_iter (stack);
}
GList *
gimp_image_get_layer_list (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_layers (image));
return gimp_item_stack_get_item_list (stack);
}
GList *
gimp_image_get_channel_list (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_channels (image));
return gimp_item_stack_get_item_list (stack);
}
GList *
gimp_image_get_vectors_list (const GimpImage *image)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_vectors (image));
return gimp_item_stack_get_item_list (stack);
}
/* active drawable, layer, channel, vectors */
GimpDrawable *
gimp_image_get_active_drawable (const GimpImage *image)
{
GimpImagePrivate *private;
GimpItem *active_channel;
GimpItem *active_layer;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
active_channel = gimp_item_tree_get_active_item (private->channels);
active_layer = gimp_item_tree_get_active_item (private->layers);
/* If there is an active channel (a saved selection, etc.),
* we ignore the active layer
*/
if (active_channel)
{
return GIMP_DRAWABLE (active_channel);
}
else if (active_layer)
{
GimpLayer *layer = GIMP_LAYER (active_layer);
GimpLayerMask *mask = gimp_layer_get_mask (layer);
if (mask && gimp_layer_mask_get_edit (mask))
return GIMP_DRAWABLE (mask);
else
return GIMP_DRAWABLE (layer);
}
return NULL;
}
GimpLayer *
gimp_image_get_active_layer (const GimpImage *image)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
return GIMP_LAYER (gimp_item_tree_get_active_item (private->layers));
}
GimpChannel *
gimp_image_get_active_channel (const GimpImage *image)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
return GIMP_CHANNEL (gimp_item_tree_get_active_item (private->channels));
}
GimpVectors *
gimp_image_get_active_vectors (const GimpImage *image)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
return GIMP_VECTORS (gimp_item_tree_get_active_item (private->vectors));
}
GimpLayer *
gimp_image_set_active_layer (GimpImage *image,
GimpLayer *layer)
{
GimpImagePrivate *private;
GimpLayer *floating_sel;
GimpLayer *active_layer;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (layer == NULL || GIMP_IS_LAYER (layer), NULL);
g_return_val_if_fail (layer == NULL ||
(gimp_item_is_attached (GIMP_ITEM (layer)) &&
gimp_item_get_image (GIMP_ITEM (layer)) == image),
NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
floating_sel = gimp_image_get_floating_selection (image);
/* Make sure the floating_sel always is the active layer */
if (floating_sel && layer != floating_sel)
return floating_sel;
active_layer = gimp_image_get_active_layer (image);
if (layer != active_layer)
{
/* Don't cache selection info for the previous active layer */
if (active_layer)
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (active_layer));
gimp_item_tree_set_active_item (private->layers, GIMP_ITEM (layer));
}
return gimp_image_get_active_layer (image);
}
GimpChannel *
gimp_image_set_active_channel (GimpImage *image,
GimpChannel *channel)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (channel == NULL || GIMP_IS_CHANNEL (channel), NULL);
g_return_val_if_fail (channel == NULL ||
(gimp_item_is_attached (GIMP_ITEM (channel)) &&
gimp_item_get_image (GIMP_ITEM (channel)) == image),
NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
/* Not if there is a floating selection */
if (channel && gimp_image_get_floating_selection (image))
return NULL;
if (channel != gimp_image_get_active_channel (image))
{
gimp_item_tree_set_active_item (private->channels, GIMP_ITEM (channel));
}
return gimp_image_get_active_channel (image);
}
GimpChannel *
gimp_image_unset_active_channel (GimpImage *image)
{
GimpImagePrivate *private;
GimpChannel *channel;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
channel = gimp_image_get_active_channel (image);
if (channel)
{
gimp_image_set_active_channel (image, NULL);
if (private->layer_stack)
gimp_image_set_active_layer (image, private->layer_stack->data);
}
return channel;
}
GimpVectors *
gimp_image_set_active_vectors (GimpImage *image,
GimpVectors *vectors)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (vectors == NULL || GIMP_IS_VECTORS (vectors), NULL);
g_return_val_if_fail (vectors == NULL ||
(gimp_item_is_attached (GIMP_ITEM (vectors)) &&
gimp_item_get_image (GIMP_ITEM (vectors)) == image),
NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
if (vectors != gimp_image_get_active_vectors (image))
{
gimp_item_tree_set_active_item (private->vectors, GIMP_ITEM (vectors));
}
return gimp_image_get_active_vectors (image);
}
/* layer, channel, vectors by tattoo */
GimpLayer *
gimp_image_get_layer_by_tattoo (const GimpImage *image,
GimpTattoo tattoo)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_layers (image));
return GIMP_LAYER (gimp_item_stack_get_item_by_tattoo (stack, tattoo));
}
GimpChannel *
gimp_image_get_channel_by_tattoo (const GimpImage *image,
GimpTattoo tattoo)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_channels (image));
return GIMP_CHANNEL (gimp_item_stack_get_item_by_tattoo (stack, tattoo));
}
GimpVectors *
gimp_image_get_vectors_by_tattoo (const GimpImage *image,
GimpTattoo tattoo)
{
GimpItemStack *stack;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
stack = GIMP_ITEM_STACK (gimp_image_get_vectors (image));
return GIMP_VECTORS (gimp_item_stack_get_item_by_tattoo (stack, tattoo));
}
/* layer, channel, vectors by name */
GimpLayer *
gimp_image_get_layer_by_name (const GimpImage *image,
const gchar *name)
{
GimpItemTree *tree;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (name != NULL, NULL);
tree = gimp_image_get_layer_tree (image);
return GIMP_LAYER (gimp_item_tree_get_item_by_name (tree, name));
}
GimpChannel *
gimp_image_get_channel_by_name (const GimpImage *image,
const gchar *name)
{
GimpItemTree *tree;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (name != NULL, NULL);
tree = gimp_image_get_channel_tree (image);
return GIMP_CHANNEL (gimp_item_tree_get_item_by_name (tree, name));
}
GimpVectors *
gimp_image_get_vectors_by_name (const GimpImage *image,
const gchar *name)
{
GimpItemTree *tree;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (name != NULL, NULL);
tree = gimp_image_get_vectors_tree (image);
return GIMP_VECTORS (gimp_item_tree_get_item_by_name (tree, name));
}
/* items */
gboolean
gimp_image_reorder_item (GimpImage *image,
GimpItem *item,
GimpItem *new_parent,
gint new_index,
gboolean push_undo,
const gchar *undo_desc)
{
GimpItemTree *tree;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
g_return_val_if_fail (gimp_item_get_image (item) == image, FALSE);
tree = gimp_item_get_tree (item);
g_return_val_if_fail (tree != NULL, FALSE);
if (push_undo && ! undo_desc)
undo_desc = GIMP_ITEM_GET_CLASS (item)->reorder_desc;
/* item and new_parent are type-checked in GimpItemTree
*/
return gimp_item_tree_reorder_item (tree, item,
new_parent, new_index,
push_undo, undo_desc);
}
gboolean
gimp_image_raise_item (GimpImage *image,
GimpItem *item,
GError **error)
{
gint index;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
index = gimp_item_get_index (item);
g_return_val_if_fail (index != -1, FALSE);
if (index == 0)
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
GIMP_ITEM_GET_CLASS (item)->raise_failed);
return FALSE;
}
return gimp_image_reorder_item (image, item,
gimp_item_get_parent (item), index - 1,
TRUE, GIMP_ITEM_GET_CLASS (item)->raise_desc);
}
gboolean
gimp_image_raise_item_to_top (GimpImage *image,
GimpItem *item)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
return gimp_image_reorder_item (image, item,
gimp_item_get_parent (item), 0,
TRUE, GIMP_ITEM_GET_CLASS (item)->raise_to_top_desc);
}
gboolean
gimp_image_lower_item (GimpImage *image,
GimpItem *item,
GError **error)
{
GimpContainer *container;
gint index;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
container = gimp_item_get_container (item);
g_return_val_if_fail (container != NULL, FALSE);
index = gimp_item_get_index (item);
if (index == gimp_container_get_n_children (container) - 1)
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
GIMP_ITEM_GET_CLASS (item)->lower_failed);
return FALSE;
}
return gimp_image_reorder_item (image, item,
gimp_item_get_parent (item), index + 1,
TRUE, GIMP_ITEM_GET_CLASS (item)->lower_desc);
}
gboolean
gimp_image_lower_item_to_bottom (GimpImage *image,
GimpItem *item)
{
GimpContainer *container;
gint length;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
container = gimp_item_get_container (item);
g_return_val_if_fail (container != NULL, FALSE);
length = gimp_container_get_n_children (container);
return gimp_image_reorder_item (image, item,
gimp_item_get_parent (item), length - 1,
TRUE, GIMP_ITEM_GET_CLASS (item)->lower_to_bottom_desc);
}
/* layers */
gboolean
gimp_image_add_layer (GimpImage *image,
GimpLayer *layer,
GimpLayer *parent,
gint position,
gboolean push_undo)
{
GimpImagePrivate *private;
gboolean old_has_alpha;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
private = GIMP_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in GimpItemTree
*/
if (! gimp_item_tree_get_insert_pos (private->layers,
(GimpItem *) layer,
(GimpItem **) &parent,
&position))
return FALSE;
/* If there is a floating selection (and this isn't it!),
* make sure the insert position is greater than 0
*/
if (parent == NULL && position == 0 &&
gimp_image_get_floating_selection (image))
position = 1;
old_has_alpha = gimp_image_has_alpha (image);
if (push_undo)
gimp_image_undo_push_layer_add (image, C_("undo-type", "Add Layer"),
layer,
gimp_image_get_active_layer (image));
gimp_item_tree_add_item (private->layers, GIMP_ITEM (layer),
GIMP_ITEM (parent), position);
gimp_image_set_active_layer (image, layer);
/* If the layer is a floating selection, attach it to the drawable */
if (gimp_layer_is_floating_sel (layer))
gimp_drawable_attach_floating_sel (gimp_layer_get_floating_sel_drawable (layer),
layer);
if (old_has_alpha != gimp_image_has_alpha (image))
private->flush_accum.alpha_changed = TRUE;
return TRUE;
}
void
gimp_image_remove_layer (GimpImage *image,
GimpLayer *layer,
gboolean push_undo,
GimpLayer *new_active)
{
GimpImagePrivate *private;
GimpLayer *active_layer;
gboolean old_has_alpha;
gboolean undo_group = FALSE;
const gchar *undo_desc;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (layer)));
g_return_if_fail (gimp_item_get_image (GIMP_ITEM (layer)) == image);
private = GIMP_IMAGE_GET_PRIVATE (image);
if (gimp_drawable_has_floating_sel (GIMP_DRAWABLE (layer)))
{
if (! push_undo)
{
g_warning ("%s() was called from an undo function while the layer "
"had a floating selection. Please report this at "
"http://www.gimp.org/bugs/", G_STRFUNC);
return;
}
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_ITEM_REMOVE,
C_("undo-type", "Remove Layer"));
undo_group = TRUE;
gimp_image_remove_layer (image, gimp_image_get_floating_selection (image),
TRUE, NULL);
}
active_layer = gimp_image_get_active_layer (image);
old_has_alpha = gimp_image_has_alpha (image);
if (gimp_layer_is_floating_sel (layer))
{
undo_desc = C_("undo-type", "Remove Floating Selection");
gimp_drawable_detach_floating_sel (gimp_layer_get_floating_sel_drawable (layer),
layer);
}
else
{
undo_desc = C_("undo-type", "Remove Layer");
}
if (push_undo)
gimp_image_undo_push_layer_remove (image, undo_desc, layer,
gimp_layer_get_parent (layer),
gimp_item_get_index (GIMP_ITEM (layer)),
active_layer);
g_object_ref (layer);
/* Make sure we're not caching any old selection info */
if (layer == active_layer)
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (layer));
private->layer_stack = g_slist_remove (private->layer_stack, layer);
/* Also remove all children of a group layer from the layer_stack */
if (gimp_viewable_get_children (GIMP_VIEWABLE (layer)))
{
GimpContainer *stack = gimp_viewable_get_children (GIMP_VIEWABLE (layer));
GList *children;
GList *list;
children = gimp_item_stack_get_item_list (GIMP_ITEM_STACK (stack));
for (list = children; list; list = g_list_next (list))
{
private->layer_stack = g_slist_remove (private->layer_stack,
list->data);
}
g_list_free (children);
}
if (! new_active && private->layer_stack)
new_active = private->layer_stack->data;
new_active =
GIMP_LAYER (gimp_item_tree_remove_item (private->layers,
GIMP_ITEM (layer),
GIMP_ITEM (new_active)));
if (gimp_layer_is_floating_sel (layer))
{
/* If this was the floating selection, activate the underlying drawable
*/
floating_sel_activate_drawable (layer);
}
else if (active_layer &&
(layer == active_layer ||
gimp_viewable_is_ancestor (GIMP_VIEWABLE (layer),
GIMP_VIEWABLE (active_layer))))
{
gimp_image_set_active_layer (image, new_active);
}
g_object_unref (layer);
if (old_has_alpha != gimp_image_has_alpha (image))
private->flush_accum.alpha_changed = TRUE;
if (undo_group)
gimp_image_undo_group_end (image);
}
void
gimp_image_add_layers (GimpImage *image,
GList *layers,
GimpLayer *parent,
gint position,
gint x,
gint y,
gint width,
gint height,
const gchar *undo_desc)
{
GimpImagePrivate *private;
GList *list;
gint layers_x = G_MAXINT;
gint layers_y = G_MAXINT;
gint layers_width = 0;
gint layers_height = 0;
gint offset_x;
gint offset_y;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (layers != NULL);
private = GIMP_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in GimpItemTree
*/
if (! gimp_item_tree_get_insert_pos (private->layers,
(GimpItem *) layers->data,
(GimpItem **) &parent,
&position))
return;
for (list = layers; list; list = g_list_next (list))
{
GimpItem *item = GIMP_ITEM (list->data);
gint off_x, off_y;
gimp_item_get_offset (item, &off_x, &off_y);
layers_x = MIN (layers_x, off_x);
layers_y = MIN (layers_y, off_y);
layers_width = MAX (layers_width,
off_x + gimp_item_get_width (item) - layers_x);
layers_height = MAX (layers_height,
off_y + gimp_item_get_height (item) - layers_y);
}
offset_x = x + (width - layers_width) / 2 - layers_x;
offset_y = y + (height - layers_height) / 2 - layers_y;
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_LAYER_ADD, undo_desc);
for (list = layers; list; list = g_list_next (list))
{
GimpItem *new_item = GIMP_ITEM (list->data);
gimp_item_translate (new_item, offset_x, offset_y, FALSE);
gimp_image_add_layer (image, GIMP_LAYER (new_item),
parent, position, TRUE);
position++;
}
if (layers)
gimp_image_set_active_layer (image, layers->data);
gimp_image_undo_group_end (image);
}
/* channels */
gboolean
gimp_image_add_channel (GimpImage *image,
GimpChannel *channel,
GimpChannel *parent,
gint position,
gboolean push_undo)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
private = GIMP_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in GimpItemTree
*/
if (! gimp_item_tree_get_insert_pos (private->channels,
(GimpItem *) channel,
(GimpItem **) &parent,
&position))
return FALSE;
if (push_undo)
gimp_image_undo_push_channel_add (image, C_("undo-type", "Add Channel"),
channel,
gimp_image_get_active_channel (image));
gimp_item_tree_add_item (private->channels, GIMP_ITEM (channel),
GIMP_ITEM (parent), position);
gimp_image_set_active_channel (image, channel);
return TRUE;
}
void
gimp_image_remove_channel (GimpImage *image,
GimpChannel *channel,
gboolean push_undo,
GimpChannel *new_active)
{
GimpImagePrivate *private;
GimpChannel *active_channel;
gboolean undo_group = FALSE;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_CHANNEL (channel));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (channel)));
g_return_if_fail (gimp_item_get_image (GIMP_ITEM (channel)) == image);
if (gimp_drawable_has_floating_sel (GIMP_DRAWABLE (channel)))
{
if (! push_undo)
{
g_warning ("%s() was called from an undo function while the channel "
"had a floating selection. Please report this at "
"http://www.gimp.org/bugs/", G_STRFUNC);
return;
}
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_ITEM_REMOVE,
C_("undo-type", "Remove Channel"));
undo_group = TRUE;
gimp_image_remove_layer (image, gimp_image_get_floating_selection (image),
TRUE, NULL);
}
private = GIMP_IMAGE_GET_PRIVATE (image);
active_channel = gimp_image_get_active_channel (image);
if (push_undo)
gimp_image_undo_push_channel_remove (image, C_("undo-type", "Remove Channel"), channel,
gimp_channel_get_parent (channel),
gimp_item_get_index (GIMP_ITEM (channel)),
active_channel);
g_object_ref (channel);
new_active =
GIMP_CHANNEL (gimp_item_tree_remove_item (private->channels,
GIMP_ITEM (channel),
GIMP_ITEM (new_active)));
if (active_channel &&
(channel == active_channel ||
gimp_viewable_is_ancestor (GIMP_VIEWABLE (channel),
GIMP_VIEWABLE (active_channel))))
{
if (new_active)
gimp_image_set_active_channel (image, new_active);
else
gimp_image_unset_active_channel (image);
}
g_object_unref (channel);
if (undo_group)
gimp_image_undo_group_end (image);
}
/* vectors */
gboolean
gimp_image_add_vectors (GimpImage *image,
GimpVectors *vectors,
GimpVectors *parent,
gint position,
gboolean push_undo)
{
GimpImagePrivate *private;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
private = GIMP_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in GimpItemTree
*/
if (! gimp_item_tree_get_insert_pos (private->vectors,
(GimpItem *) vectors,
(GimpItem **) &parent,
&position))
return FALSE;
if (push_undo)
gimp_image_undo_push_vectors_add (image, C_("undo-type", "Add Path"),
vectors,
gimp_image_get_active_vectors (image));
gimp_item_tree_add_item (private->vectors, GIMP_ITEM (vectors),
GIMP_ITEM (parent), position);
gimp_image_set_active_vectors (image, vectors);
return TRUE;
}
void
gimp_image_remove_vectors (GimpImage *image,
GimpVectors *vectors,
gboolean push_undo,
GimpVectors *new_active)
{
GimpImagePrivate *private;
GimpVectors *active_vectors;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_VECTORS (vectors));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (vectors)));
g_return_if_fail (gimp_item_get_image (GIMP_ITEM (vectors)) == image);
private = GIMP_IMAGE_GET_PRIVATE (image);
active_vectors = gimp_image_get_active_vectors (image);
if (push_undo)
gimp_image_undo_push_vectors_remove (image, C_("undo-type", "Remove Path"), vectors,
gimp_vectors_get_parent (vectors),
gimp_item_get_index (GIMP_ITEM (vectors)),
active_vectors);
g_object_ref (vectors);
new_active =
GIMP_VECTORS (gimp_item_tree_remove_item (private->vectors,
GIMP_ITEM (vectors),
GIMP_ITEM (new_active)));
if (active_vectors &&
(vectors == active_vectors ||
gimp_viewable_is_ancestor (GIMP_VIEWABLE (vectors),
GIMP_VIEWABLE (active_vectors))))
{
gimp_image_set_active_vectors (image, new_active);
}
g_object_unref (vectors);
}
gboolean
gimp_image_coords_in_active_pickable (GimpImage *image,
const GimpCoords *coords,
gboolean sample_merged,
gboolean selected_only)
{
gint x, y;
gboolean in_pickable = FALSE;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
x = floor (coords->x);
y = floor (coords->y);
if (sample_merged)
{
if (x >= 0 && x < gimp_image_get_width (image) &&
y >= 0 && y < gimp_image_get_height (image))
in_pickable = TRUE;
}
else
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
GimpItem *item = GIMP_ITEM (drawable);
gint off_x, off_y;
gint d_x, d_y;
gimp_item_get_offset (item, &off_x, &off_y);
d_x = x - off_x;
d_y = y - off_y;
if (d_x >= 0 && d_x < gimp_item_get_width (item) &&
d_y >= 0 && d_y < gimp_item_get_height (item))
in_pickable = TRUE;
}
}
if (in_pickable && selected_only)
{
GimpChannel *selection = gimp_image_get_mask (image);
if (! gimp_channel_is_empty (selection) &&
! gimp_pickable_get_opacity_at (GIMP_PICKABLE (selection),
x, y))
{
in_pickable = FALSE;
}
}
return in_pickable;
}
void
gimp_image_invalidate_previews (GimpImage *image)
{
GimpItemStack *layers;
GimpItemStack *channels;
g_return_if_fail (GIMP_IS_IMAGE (image));
layers = GIMP_ITEM_STACK (gimp_image_get_layers (image));
channels = GIMP_ITEM_STACK (gimp_image_get_channels (image));
gimp_item_stack_invalidate_previews (layers);
gimp_item_stack_invalidate_previews (channels);
}
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