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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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "core-types.h"
#include "gimp.h"
#include "gimpimage.h"
#include "gimpimage-private.h"
#include "gimpimage-sample-points.h"
#include "gimpimage-undo-push.h"
#include "gimpsamplepoint.h"
#include "gimp-intl.h"
/* public functions */
GimpSamplePoint *
gimp_image_add_sample_point_at_pos (GimpImage *image,
gint x,
gint y,
gboolean push_undo)
{
GimpSamplePoint *sample_point;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (x >= 0 && x < gimp_image_get_width (image), NULL);
g_return_val_if_fail (y >= 0 && y < gimp_image_get_height (image), NULL);
sample_point = gimp_sample_point_new (image->gimp->next_sample_point_ID++);
if (push_undo)
gimp_image_undo_push_sample_point (image, C_("undo-type", "Add Sample Point"),
sample_point);
gimp_image_add_sample_point (image, sample_point, x, y);
g_object_unref (sample_point);
return sample_point;
}
void
gimp_image_add_sample_point (GimpImage *image,
GimpSamplePoint *sample_point,
gint x,
gint y)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_SAMPLE_POINT (sample_point));
private = GIMP_IMAGE_GET_PRIVATE (image);
private->sample_points = g_list_append (private->sample_points, sample_point);
gimp_sample_point_set_position (sample_point, x, y);
g_object_ref (sample_point);
gimp_image_sample_point_added (image, sample_point);
}
void
gimp_image_remove_sample_point (GimpImage *image,
GimpSamplePoint *sample_point,
gboolean push_undo)
{
GimpImagePrivate *private;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_SAMPLE_POINT (sample_point));
private = GIMP_IMAGE_GET_PRIVATE (image);
if (push_undo)
gimp_image_undo_push_sample_point (image,
C_("undo-type", "Remove Sample Point"),
sample_point);
private->sample_points = g_list_remove (private->sample_points, sample_point);
gimp_aux_item_removed (GIMP_AUX_ITEM (sample_point));
gimp_image_sample_point_removed (image, sample_point);
gimp_sample_point_set_position (sample_point,
GIMP_SAMPLE_POINT_POSITION_UNDEFINED,
GIMP_SAMPLE_POINT_POSITION_UNDEFINED);
g_object_unref (sample_point);
}
void
gimp_image_move_sample_point (GimpImage *image,
GimpSamplePoint *sample_point,
gint x,
gint y,
gboolean push_undo)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_SAMPLE_POINT (sample_point));
g_return_if_fail (x >= 0);
g_return_if_fail (y >= 0);
g_return_if_fail (x < gimp_image_get_width (image));
g_return_if_fail (y < gimp_image_get_height (image));
if (push_undo)
gimp_image_undo_push_sample_point (image,
C_("undo-type", "Move Sample Point"),
sample_point);
gimp_sample_point_set_position (sample_point, x, y);
gimp_image_sample_point_moved (image, sample_point);
}
void
gimp_image_set_sample_point_pick_mode (GimpImage *image,
GimpSamplePoint *sample_point,
GimpColorPickMode pick_mode,
gboolean push_undo)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_SAMPLE_POINT (sample_point));
if (push_undo)
gimp_image_undo_push_sample_point (image,
C_("undo-type",
"Set Sample Point Pick Mode"),
sample_point);
gimp_sample_point_set_pick_mode (sample_point, pick_mode);
/* well... */
gimp_image_sample_point_moved (image, sample_point);
}
GList *
gimp_image_get_sample_points (GimpImage *image)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
return GIMP_IMAGE_GET_PRIVATE (image)->sample_points;
}
GimpSamplePoint *
gimp_image_get_sample_point (GimpImage *image,
guint32 id)
{
GList *sample_points;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
for (sample_points = GIMP_IMAGE_GET_PRIVATE (image)->sample_points;
sample_points;
sample_points = g_list_next (sample_points))
{
GimpSamplePoint *sample_point = sample_points->data;
if (gimp_aux_item_get_ID (GIMP_AUX_ITEM (sample_point)) == id)
return sample_point;
}
return NULL;
}
GimpSamplePoint *
gimp_image_get_next_sample_point (GimpImage *image,
guint32 id,
gboolean *sample_point_found)
{
GList *sample_points;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (sample_point_found != NULL, NULL);
if (id == 0)
*sample_point_found = TRUE;
else
*sample_point_found = FALSE;
for (sample_points = GIMP_IMAGE_GET_PRIVATE (image)->sample_points;
sample_points;
sample_points = g_list_next (sample_points))
{
GimpSamplePoint *sample_point = sample_points->data;
if (*sample_point_found) /* this is the first guide after the found one */
return sample_point;
if (gimp_aux_item_get_ID (GIMP_AUX_ITEM (sample_point)) == id) /* found it, next one will be returned */
*sample_point_found = TRUE;
}
return NULL;
}
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