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Gimp/app/core/gimpimage.c
Sven Neumann 8cfb8c2143 app: update vectors from the freeze handler as well 
This is needed so that the area covered by the vectors before the
change is exposed. Ideally of course the update signal should
include the changed area.
2010-09-17 21:28:30 +02:00

3957 lines
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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 "gimptreehandler.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
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_CONTROL,
CLEAN,
DIRTY,
SAVED,
EXPORTED,
UPDATE_GUIDE,
UPDATE_SAMPLE_POINT,
UPDATE_VECTORS,
SAMPLE_POINT_ADDED,
SAMPLE_POINT_REMOVED,
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 GObject *gimp_image_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
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_vectors_freeze (GimpVectors *vectors,
GimpImage *image);
static void gimp_image_vectors_thaw (GimpVectors *vectors,
GimpImage *image);
static void gimp_image_vectors_visible (GimpVectors *vectors,
GimpImage *image);
static void gimp_image_vectors_add (GimpContainer *container,
GimpVectors *vectors,
GimpImage *image);
static void gimp_image_vectors_remove (GimpContainer *container,
GimpVectors *vectors,
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_CONTROL] =
g_signal_new ("selection-control",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, selection_control),
NULL, NULL,
gimp_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GIMP_TYPE_SELECTION_CONTROL);
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[UPDATE_GUIDE] =
g_signal_new ("update-guide",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, update_guide),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_image_signals[UPDATE_SAMPLE_POINT] =
g_signal_new ("update-sample-point",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, update_sample_point),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_image_signals[UPDATE_VECTORS] =
g_signal_new ("update-vectors",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageClass, update_vectors),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_VECTORS);
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[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->constructor = gimp_image_constructor;
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_control = NULL;
klass->clean = NULL;
klass->dirty = NULL;
klass->saved = NULL;
klass->exported = NULL;
klass->update_guide = NULL;
klass->update_sample_point = NULL;
klass->update_vectors = NULL;
klass->sample_point_added = NULL;
klass->sample_point_removed = 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->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->vectors_freeze_handler =
gimp_tree_handler_connect (private->vectors->container, "freeze",
G_CALLBACK (gimp_image_vectors_freeze),
image);
private->vectors_thaw_handler =
gimp_tree_handler_connect (private->vectors->container, "thaw",
G_CALLBACK (gimp_image_vectors_thaw),
image);
private->vectors_visible_handler =
gimp_tree_handler_connect (private->vectors->container, "visibility-changed",
G_CALLBACK (gimp_image_vectors_visible),
image);
g_signal_connect (private->vectors->container, "add",
G_CALLBACK (gimp_image_vectors_add),
image);
g_signal_connect (private->vectors->container, "remove",
G_CALLBACK (gimp_image_vectors_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 GObject *
gimp_image_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpImage *image;
GimpImagePrivate *private;
GimpCoreConfig *config;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
image = GIMP_IMAGE (object);
private = GIMP_IMAGE_GET_PRIVATE (image);
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);
private->xresolution = config->default_image->xresolution;
private->yresolution = config->default_image->yresolution;
private->resolution_unit = config->default_image->resolution_unit;
private->grid = gimp_config_duplicate (GIMP_CONFIG (config->default_grid));
switch (private->base_type)
{
case GIMP_RGB:
case GIMP_GRAY:
break;
case GIMP_INDEXED:
/* always allocate 256 colors for the colormap */
private->n_colors = 0;
private->colormap = g_new0 (guchar, GIMP_IMAGE_COLORMAP_SIZE);
break;
default:
break;
}
/* 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));
return object;
}
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);
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_tree_handler_disconnect (private->vectors_freeze_handler);
private->vectors_freeze_handler = NULL;
gimp_tree_handler_disconnect (private->vectors_thaw_handler);
private->vectors_thaw_handler = NULL;
gimp_tree_handler_disconnect (private->vectors_visible_handler);
private->vectors_visible_handler = NULL;
g_signal_handlers_disconnect_by_func (private->vectors->container,
gimp_image_vectors_add,
image);
g_signal_handlers_disconnect_by_func (private->vectors->container,
gimp_image_vectors_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)
{
g_free (private->colormap);
private->colormap = NULL;
}
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->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 (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_vectors_freeze (GimpVectors *vectors,
GimpImage *image)
{
if (gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_image_update_vectors (image, vectors);
}
static void
gimp_image_vectors_thaw (GimpVectors *vectors,
GimpImage *image)
{
if (gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_image_update_vectors (image, vectors);
}
static void
gimp_image_vectors_visible (GimpVectors *vectors,
GimpImage *image)
{
gimp_image_update_vectors (image, vectors);
}
static void
gimp_image_vectors_add (GimpContainer *container,
GimpVectors *vectors,
GimpImage *image)
{
if (gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_image_update_vectors (image, vectors);
}
static void
gimp_image_vectors_remove (GimpContainer *container,
GimpVectors *vectors,
GimpImage *image)
{
if (gimp_item_get_visible (GIMP_ITEM (vectors)))
gimp_image_update_vectors (image, vectors);
}
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);
}
const gchar *
gimp_image_get_uri (const GimpImage *image)
{
const gchar *uri;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
uri = gimp_object_get_name (image);
return uri ? uri : _("Untitled");
}
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);
}
}
gchar *
gimp_image_get_filename (const GimpImage *image)
{
const gchar *uri;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
uri = gimp_object_get_name (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 (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_update_guide (GimpImage *image,
GimpGuide *guide)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (guide != NULL);
g_signal_emit (image, gimp_image_signals[UPDATE_GUIDE], 0, guide);
}
void
gimp_image_update_sample_point (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[UPDATE_SAMPLE_POINT], 0,
sample_point);
}
void
gimp_image_update_vectors (GimpImage *image,
GimpVectors *vectors)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_VECTORS (vectors));
g_signal_emit (image, gimp_image_signals[UPDATE_VECTORS], 0,
vectors);
}
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);
}
/**
* 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_control (GimpImage *image,
GimpSelectionControl control)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_signal_emit (image, gimp_image_signals[SELECTION_CONTROL], 0, control);
}
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 (layer == 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);
new_active =
GIMP_CHANNEL (gimp_item_tree_remove_item (private->channels,
GIMP_ITEM (channel),
GIMP_ITEM (new_active)));
if (channel == active_channel)
{
if (new_active)
gimp_image_set_active_channel (image, new_active);
else
gimp_image_unset_active_channel (image);
}
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);
new_active =
GIMP_VECTORS (gimp_item_tree_remove_item (private->vectors,
GIMP_ITEM (vectors),
GIMP_ITEM (new_active)));
if (vectors == active_vectors)
gimp_image_set_active_vectors (image, new_active);
}
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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