86 lines
5.1 KiB
C
86 lines
5.1 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikacanvasitem-utils.h
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* Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_CANVAS_ITEM_UTILS_H__
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#define __PIKA_CANVAS_ITEM_UTILS_H__
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gboolean pika_canvas_item_on_handle (PikaCanvasItem *item,
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gdouble x,
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gdouble y,
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PikaHandleType type,
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gdouble handle_x,
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gdouble handle_y,
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gint width,
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gint height,
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PikaHandleAnchor anchor);
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gboolean pika_canvas_item_on_vectors_handle (PikaCanvasItem *item,
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PikaVectors *vectors,
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const PikaCoords *coord,
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gint width,
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gint height,
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PikaAnchorType preferred,
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gboolean exclusive,
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PikaAnchor **ret_anchor,
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PikaStroke **ret_stroke);
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gboolean pika_canvas_item_on_vectors_curve (PikaCanvasItem *item,
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PikaVectors *vectors,
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const PikaCoords *coord,
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gint width,
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gint height,
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PikaCoords *ret_coords,
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gdouble *ret_pos,
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PikaAnchor **ret_segment_start,
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PikaAnchor **ret_segment_end,
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PikaStroke **ret_stroke);
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gboolean pika_canvas_item_on_vectors (PikaCanvasItem *item,
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const PikaCoords *coords,
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gint width,
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gint height,
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PikaCoords *ret_coords,
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gdouble *ret_pos,
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PikaAnchor **ret_segment_start,
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PikaAnchor **ret_segment_end,
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PikaStroke **ret_stroke,
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PikaVectors **ret_vectors);
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void pika_canvas_item_shift_to_north_west (PikaHandleAnchor anchor,
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gdouble x,
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gdouble y,
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gint width,
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gint height,
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gdouble *shifted_x,
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gdouble *shifted_y);
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void pika_canvas_item_shift_to_center (PikaHandleAnchor anchor,
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gdouble x,
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gdouble y,
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gint width,
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gint height,
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gdouble *shifted_x,
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gdouble *shifted_y);
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#endif /* __PIKA_CANVAS_ITEM_UTILS_H__ */
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