mirror of https://github.com/GNOME/gimp.git
334 lines
8.4 KiB
C
334 lines
8.4 KiB
C
/* The GIMP -- an 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 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "libgimpmath/gimpmath.h"
|
|
|
|
#include "core-types.h"
|
|
|
|
#include "base/pixel-region.h"
|
|
|
|
#include "paint-funcs/paint-funcs.h"
|
|
|
|
#include "gimplayermask.h"
|
|
|
|
#include "undo.h"
|
|
|
|
#include "libgimp/gimpintl.h"
|
|
|
|
|
|
enum
|
|
{
|
|
APPLY_CHANGED,
|
|
EDIT_CHANGED,
|
|
SHOW_CHANGED,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
|
|
static void gimp_layer_mask_class_init (GimpLayerMaskClass *klass);
|
|
static void gimp_layer_mask_init (GimpLayerMask *layermask);
|
|
static void gimp_layer_mask_destroy (GtkObject *object);
|
|
|
|
|
|
static guint layer_mask_signals[LAST_SIGNAL] = { 0 };
|
|
|
|
static GimpChannelClass *parent_class = NULL;
|
|
|
|
|
|
GtkType
|
|
gimp_layer_mask_get_type (void)
|
|
{
|
|
static GtkType layer_mask_type = 0;
|
|
|
|
if (! layer_mask_type)
|
|
{
|
|
GtkTypeInfo layer_mask_info =
|
|
{
|
|
"GimpLayerMask",
|
|
sizeof (GimpLayerMask),
|
|
sizeof (GimpLayerMaskClass),
|
|
(GtkClassInitFunc) gimp_layer_mask_class_init,
|
|
(GtkObjectInitFunc) gimp_layer_mask_init,
|
|
/* reserved_1 */ NULL,
|
|
/* reserved_2 */ NULL,
|
|
(GtkClassInitFunc) NULL,
|
|
};
|
|
|
|
layer_mask_type = gtk_type_unique (GIMP_TYPE_CHANNEL, &layer_mask_info);
|
|
}
|
|
|
|
return layer_mask_type;
|
|
}
|
|
|
|
static void
|
|
gimp_layer_mask_class_init (GimpLayerMaskClass *klass)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
|
|
object_class = (GtkObjectClass *) klass;
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
layer_mask_signals[APPLY_CHANGED] =
|
|
g_signal_new ("apply_changed",
|
|
G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET (GimpLayerMaskClass, apply_changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
layer_mask_signals[EDIT_CHANGED] =
|
|
g_signal_new ("edit_changed",
|
|
G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET (GimpLayerMaskClass, edit_changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
layer_mask_signals[SHOW_CHANGED] =
|
|
g_signal_new ("show_changed",
|
|
G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET (GimpLayerMaskClass, show_changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
object_class->destroy = gimp_layer_mask_destroy;
|
|
}
|
|
|
|
static void
|
|
gimp_layer_mask_init (GimpLayerMask *layer_mask)
|
|
{
|
|
layer_mask->layer = NULL;
|
|
|
|
layer_mask->apply_mask = TRUE;
|
|
layer_mask->edit_mask = TRUE;
|
|
layer_mask->show_mask = FALSE;
|
|
}
|
|
|
|
static void
|
|
gimp_layer_mask_destroy (GtkObject *object)
|
|
{
|
|
GimpLayerMask *layer_mask;
|
|
|
|
g_return_if_fail (GIMP_IS_LAYER_MASK (object));
|
|
|
|
layer_mask = GIMP_LAYER_MASK (object);
|
|
|
|
if (GTK_OBJECT_CLASS (parent_class)->destroy)
|
|
GTK_OBJECT_CLASS (parent_class)->destroy (object);
|
|
}
|
|
|
|
GimpLayerMask *
|
|
gimp_layer_mask_new (GimpImage *gimage,
|
|
gint width,
|
|
gint height,
|
|
const gchar *name,
|
|
const GimpRGB *color)
|
|
{
|
|
GimpLayerMask *layer_mask;
|
|
|
|
layer_mask = gtk_type_new (GIMP_TYPE_LAYER_MASK);
|
|
|
|
gimp_drawable_configure (GIMP_DRAWABLE (layer_mask),
|
|
gimage, width, height, GRAY_GIMAGE, name);
|
|
|
|
/* set the layer_mask color and opacity */
|
|
GIMP_CHANNEL (layer_mask)->color = *color;
|
|
|
|
GIMP_CHANNEL (layer_mask)->show_masked = TRUE;
|
|
|
|
/* selection mask variables */
|
|
GIMP_CHANNEL (layer_mask)->empty = TRUE;
|
|
GIMP_CHANNEL (layer_mask)->segs_in = NULL;
|
|
GIMP_CHANNEL (layer_mask)->segs_out = NULL;
|
|
GIMP_CHANNEL (layer_mask)->num_segs_in = 0;
|
|
GIMP_CHANNEL (layer_mask)->num_segs_out = 0;
|
|
GIMP_CHANNEL (layer_mask)->bounds_known = TRUE;
|
|
GIMP_CHANNEL (layer_mask)->boundary_known = TRUE;
|
|
GIMP_CHANNEL (layer_mask)->x1 = 0;
|
|
GIMP_CHANNEL (layer_mask)->y1 = 0;
|
|
GIMP_CHANNEL (layer_mask)->x2 = width;
|
|
GIMP_CHANNEL (layer_mask)->y2 = height;
|
|
|
|
return layer_mask;
|
|
}
|
|
|
|
GimpLayerMask *
|
|
gimp_layer_mask_copy (GimpLayerMask *layer_mask)
|
|
{
|
|
gchar *layer_mask_name;
|
|
GimpLayerMask *new_layer_mask;
|
|
PixelRegion srcPR, destPR;
|
|
|
|
/* formulate the new layer_mask name */
|
|
layer_mask_name =
|
|
g_strdup_printf (_("%s copy"),
|
|
gimp_object_get_name (GIMP_OBJECT (layer_mask)));
|
|
|
|
/* allocate a new layer_mask object */
|
|
new_layer_mask = gimp_layer_mask_new (GIMP_DRAWABLE (layer_mask)->gimage,
|
|
GIMP_DRAWABLE (layer_mask)->width,
|
|
GIMP_DRAWABLE (layer_mask)->height,
|
|
layer_mask_name,
|
|
&GIMP_CHANNEL (layer_mask)->color);
|
|
|
|
GIMP_DRAWABLE (new_layer_mask)->visible = GIMP_DRAWABLE (layer_mask)->visible;
|
|
GIMP_DRAWABLE (new_layer_mask)->offset_x = GIMP_DRAWABLE (layer_mask)->offset_x;
|
|
GIMP_DRAWABLE (new_layer_mask)->offset_y = GIMP_DRAWABLE (layer_mask)->offset_y;
|
|
GIMP_CHANNEL (new_layer_mask)->show_masked = GIMP_CHANNEL (layer_mask)->show_masked;
|
|
|
|
new_layer_mask->apply_mask = layer_mask->apply_mask;
|
|
new_layer_mask->edit_mask = layer_mask->edit_mask;
|
|
new_layer_mask->show_mask = layer_mask->show_mask;
|
|
|
|
/* copy the contents across layer masks */
|
|
pixel_region_init (&srcPR, GIMP_DRAWABLE (layer_mask)->tiles,
|
|
0, 0,
|
|
GIMP_DRAWABLE (layer_mask)->width,
|
|
GIMP_DRAWABLE (layer_mask)->height,
|
|
FALSE);
|
|
pixel_region_init (&destPR, GIMP_DRAWABLE (new_layer_mask)->tiles,
|
|
0, 0,
|
|
GIMP_DRAWABLE (layer_mask)->width,
|
|
GIMP_DRAWABLE (layer_mask)->height,
|
|
TRUE);
|
|
copy_region (&srcPR, &destPR);
|
|
|
|
/* free up the layer_mask_name memory */
|
|
g_free (layer_mask_name);
|
|
|
|
return new_layer_mask;
|
|
}
|
|
|
|
void
|
|
gimp_layer_mask_set_layer (GimpLayerMask *mask,
|
|
GimpLayer *layer)
|
|
{
|
|
mask->layer = layer;
|
|
}
|
|
|
|
GimpLayer *
|
|
gimp_layer_mask_get_layer (GimpLayerMask *mask)
|
|
{
|
|
return mask->layer;
|
|
}
|
|
|
|
void
|
|
gimp_layer_mask_set_apply (GimpLayerMask *layer_mask,
|
|
gboolean apply)
|
|
{
|
|
g_return_if_fail (GIMP_IS_LAYER_MASK (layer_mask));
|
|
|
|
if (layer_mask->apply_mask != apply)
|
|
{
|
|
layer_mask->apply_mask = apply;
|
|
|
|
if (layer_mask->layer)
|
|
{
|
|
GimpDrawable *drawable;
|
|
|
|
drawable = GIMP_DRAWABLE (layer_mask->layer);
|
|
|
|
gimp_drawable_update (drawable,
|
|
0, 0,
|
|
gimp_drawable_width (drawable),
|
|
gimp_drawable_height (drawable));
|
|
}
|
|
|
|
g_signal_emit (G_OBJECT (layer_mask),
|
|
layer_mask_signals[APPLY_CHANGED], 0);
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gimp_layer_mask_get_apply (GimpLayerMask *layer_mask)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_LAYER_MASK (layer_mask), FALSE);
|
|
|
|
return layer_mask->apply_mask;
|
|
}
|
|
|
|
void
|
|
gimp_layer_mask_set_edit (GimpLayerMask *layer_mask,
|
|
gboolean edit)
|
|
{
|
|
g_return_if_fail (GIMP_IS_LAYER_MASK (layer_mask));
|
|
|
|
if (layer_mask->edit_mask != edit)
|
|
{
|
|
layer_mask->edit_mask = edit;
|
|
|
|
g_signal_emit (G_OBJECT (layer_mask),
|
|
layer_mask_signals[EDIT_CHANGED], 0);
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gimp_layer_mask_get_edit (GimpLayerMask *layer_mask)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_LAYER_MASK (layer_mask), FALSE);
|
|
|
|
return layer_mask->edit_mask;
|
|
}
|
|
|
|
void
|
|
gimp_layer_mask_set_show (GimpLayerMask *layer_mask,
|
|
gboolean show)
|
|
{
|
|
g_return_if_fail (GIMP_IS_LAYER_MASK (layer_mask));
|
|
|
|
if (layer_mask->show_mask != show)
|
|
{
|
|
layer_mask->show_mask = show;
|
|
|
|
if (layer_mask->layer)
|
|
{
|
|
GimpDrawable *drawable;
|
|
|
|
drawable = GIMP_DRAWABLE (layer_mask->layer);
|
|
|
|
gimp_drawable_update (drawable,
|
|
0, 0,
|
|
gimp_drawable_width (drawable),
|
|
gimp_drawable_height (drawable));
|
|
}
|
|
|
|
g_signal_emit (G_OBJECT (layer_mask),
|
|
layer_mask_signals[SHOW_CHANGED], 0);
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gimp_layer_mask_get_show (GimpLayerMask *layer_mask)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_LAYER_MASK (layer_mask), FALSE);
|
|
|
|
return layer_mask->show_mask;
|
|
}
|