Commit fff57f84 authored by Ell's avatar Ell
Browse files

app: add gimpdisplayshell-utils.[ch]

... should have been part of last commit.
parent 984ed6ce
/* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "display-types.h"
#include "core/gimp-utils.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-utils.h"
gdouble
gimp_display_shell_get_constrained_line_offset_angle (GimpDisplayShell *shell)
{
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), 0.0);
if (shell->flip_horizontally ^ shell->flip_vertically)
return +shell->rotate_angle;
else
return -shell->rotate_angle;
}
void
gimp_display_shell_constrain_line (GimpDisplayShell *shell,
gdouble start_x,
gdouble start_y,
gdouble *end_x,
gdouble *end_y,
gint n_snap_lines)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (end_x != NULL);
g_return_if_fail (end_y != NULL);
gimp_constrain_line (start_x, start_y,
end_x, end_y,
n_snap_lines,
gimp_display_shell_get_constrained_line_offset_angle (shell));
}
/* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_DISPLAY_SHELL_UTILS_H__
#define __GIMP_DISPLAY_SHELL_UTILS_H__
gdouble gimp_display_shell_get_constrained_line_offset_angle (GimpDisplayShell *shell);
void gimp_display_shell_constrain_line (GimpDisplayShell *shell,
gdouble start_x,
gdouble start_y,
gdouble *end_x,
gdouble *end_y,
gint n_snap_lines);
#endif /* __GIMP_DISPLAY_SHELL_UTILS_H__ */
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