PIKApp/app/display/pikadisplayshell-utils.h

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2023-09-26 00:35:21 +02:00
/* 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 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/>.
*/
#ifndef __PIKA_DISPLAY_SHELL_UTILS_H__
#define __PIKA_DISPLAY_SHELL_UTILS_H__
void pika_display_shell_get_constrained_line_params (PikaDisplayShell *shell,
gdouble *offset_angle,
gdouble *xres,
gdouble *yres);
void pika_display_shell_constrain_line (PikaDisplayShell *shell,
gdouble start_x,
gdouble start_y,
gdouble *end_x,
gdouble *end_y,
gint n_snap_lines);
gdouble pika_display_shell_constrain_angle (PikaDisplayShell *shell,
gdouble angle,
gint n_snap_lines);
gchar * pika_display_shell_get_line_status (PikaDisplayShell *shell,
const gchar *status,
const gchar *separator,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
#endif /* __PIKA_DISPLAY_SHELL_UTILS_H__ */