PIKApp/app/core/pikaimage-snap.h

98 lines
5.1 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattisbvf
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 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/>.
*/
#ifndef __PIKA_IMAGE_SNAP_H__
#define __PIKA_IMAGE_SNAP_H__
typedef struct _PikaImageSnapData
{
PikaAlignmentType snapped_side_horizontal; /* if PIKA_ARRANGE_HFILL then no snapping happen */
PikaLayer *snapped_layer_horizontal;
PikaAlignmentType snapped_side_vertical; /* if PIKA_ARRANGE_HFILL then no snapping happen */
PikaLayer *snapped_layer_vertical;
PikaAlignmentType equidistance_side_horizontal;
PikaLayer *near_layer_horizontal1;
PikaLayer *near_layer_horizontal2;
PikaAlignmentType equidistance_side_vertical;
PikaLayer *near_layer_vertical1;
PikaLayer *near_layer_vertical2;
} PikaImageSnapData;
gboolean pika_image_snap_x (PikaImage *image,
PikaImageSnapData *snapping_data,
gdouble x,
gdouble *tx,
gdouble epsilon_x,
gboolean snap_to_guides,
gboolean snap_to_grid,
gboolean snap_to_canvas,
gboolean snap_to_bbox,
gboolean snap_to_equidistance,
PikaAlignmentType alignment_side);
gboolean pika_image_snap_y (PikaImage *image,
PikaImageSnapData *snapping_data,
gdouble y,
gdouble *ty,
gdouble epsilon_y,
gboolean snap_to_guides,
gboolean snap_to_grid,
gboolean snap_to_canvas,
gboolean snap_to_bbox,
gboolean snap_to_equidistance,
PikaAlignmentType alignment_side);
gboolean pika_image_snap_point (PikaImage *image,
gdouble x,
gdouble y,
gdouble *tx,
gdouble *ty,
gdouble epsilon_x,
gdouble epsilon_y,
gboolean snap_to_guides,
gboolean snap_to_grid,
gboolean snap_to_canvas,
gboolean snap_to_vectors,
gboolean snap_to_bbox,
gboolean show_all);
gboolean pika_image_snap_rectangle (PikaImage *image,
PikaImageSnapData *snapping_data,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2,
gdouble *tx1,
gdouble *ty1,
gdouble epsilon_x,
gdouble epsilon_y,
gboolean snap_to_guides,
gboolean snap_to_grid,
gboolean snap_to_canvas,
gboolean snap_to_vectors,
gboolean snap_to_bbox,
gboolean snap_to_equidistance);
#endif /* __PIKA_IMAGE_SNAP_H__ */