50 lines
2.8 KiB
C
50 lines
2.8 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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* 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_DISPLAY_SHELL_UTILS_H__
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#define __PIKA_DISPLAY_SHELL_UTILS_H__
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void pika_display_shell_get_constrained_line_params (PikaDisplayShell *shell,
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gdouble *offset_angle,
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gdouble *xres,
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gdouble *yres);
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void pika_display_shell_constrain_line (PikaDisplayShell *shell,
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gdouble start_x,
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gdouble start_y,
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gdouble *end_x,
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gdouble *end_y,
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gint n_snap_lines);
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gdouble pika_display_shell_constrain_angle (PikaDisplayShell *shell,
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gdouble angle,
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gint n_snap_lines);
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gchar * pika_display_shell_get_line_status (PikaDisplayShell *shell,
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const gchar *status,
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const gchar *separator,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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#endif /* __PIKA_DISPLAY_SHELL_UTILS_H__ */
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