2006-12-10 05:33:38 +08:00
|
|
|
/* GIMP - The GNU Image Manipulation Program
|
2001-11-20 02:23:43 +08:00
|
|
|
* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
|
|
|
|
|
*
|
2009-01-18 06:28:01 +08:00
|
|
|
* This program is free software: you can redistribute it and/or modify
|
2001-11-20 02:23:43 +08:00
|
|
|
* it under the terms of the GNU General Public License as published by
|
2009-01-18 06:28:01 +08:00
|
|
|
* the Free Software Foundation; either version 3 of the License, or
|
2001-11-20 02:23:43 +08:00
|
|
|
* (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
|
2009-01-18 06:28:01 +08:00
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
2001-11-20 02:23:43 +08:00
|
|
|
*/
|
|
|
|
|
|
2003-09-16 01:41:18 +08:00
|
|
|
#ifndef __GIMP_TRANSFORM_UTILS_H__
|
|
|
|
|
#define __GIMP_TRANSFORM_UTILS_H__
|
2001-11-20 02:23:43 +08:00
|
|
|
|
|
|
|
|
|
2018-01-29 04:53:01 +08:00
|
|
|
#define GIMP_TRANSFORM_NEAR_Z 0.02
|
|
|
|
|
|
|
|
|
|
|
2011-03-28 04:04:33 +08:00
|
|
|
void gimp_transform_get_rotate_center (gint x,
|
|
|
|
|
gint y,
|
|
|
|
|
gint width,
|
|
|
|
|
gint height,
|
|
|
|
|
gboolean auto_center,
|
|
|
|
|
gdouble *center_x,
|
|
|
|
|
gdouble *center_y);
|
|
|
|
|
void gimp_transform_get_flip_axis (gint x,
|
|
|
|
|
gint y,
|
|
|
|
|
gint width,
|
|
|
|
|
gint height,
|
|
|
|
|
GimpOrientationType flip_type,
|
|
|
|
|
gboolean auto_center,
|
|
|
|
|
gdouble *axis);
|
2010-09-08 05:43:18 +08:00
|
|
|
|
2011-03-28 04:04:33 +08:00
|
|
|
void gimp_transform_matrix_flip (GimpMatrix3 *matrix,
|
|
|
|
|
GimpOrientationType flip_type,
|
|
|
|
|
gdouble axis);
|
|
|
|
|
void gimp_transform_matrix_flip_free (GimpMatrix3 *matrix,
|
|
|
|
|
gdouble x1,
|
|
|
|
|
gdouble y1,
|
|
|
|
|
gdouble x2,
|
|
|
|
|
gdouble y2);
|
|
|
|
|
void gimp_transform_matrix_rotate (GimpMatrix3 *matrix,
|
|
|
|
|
GimpRotationType rotate_type,
|
|
|
|
|
gdouble center_x,
|
|
|
|
|
gdouble center_y);
|
|
|
|
|
void gimp_transform_matrix_rotate_rect (GimpMatrix3 *matrix,
|
|
|
|
|
gint x,
|
|
|
|
|
gint y,
|
|
|
|
|
gint width,
|
|
|
|
|
gint height,
|
|
|
|
|
gdouble angle);
|
|
|
|
|
void gimp_transform_matrix_rotate_center (GimpMatrix3 *matrix,
|
|
|
|
|
gdouble center_x,
|
|
|
|
|
gdouble center_y,
|
|
|
|
|
gdouble angle);
|
|
|
|
|
void gimp_transform_matrix_scale (GimpMatrix3 *matrix,
|
|
|
|
|
gint x,
|
|
|
|
|
gint y,
|
|
|
|
|
gint width,
|
|
|
|
|
gint height,
|
|
|
|
|
gdouble t_x,
|
|
|
|
|
gdouble t_y,
|
|
|
|
|
gdouble t_width,
|
|
|
|
|
gdouble t_height);
|
|
|
|
|
void gimp_transform_matrix_shear (GimpMatrix3 *matrix,
|
|
|
|
|
gint x,
|
|
|
|
|
gint y,
|
|
|
|
|
gint width,
|
|
|
|
|
gint height,
|
|
|
|
|
GimpOrientationType orientation,
|
|
|
|
|
gdouble amount);
|
|
|
|
|
void gimp_transform_matrix_perspective (GimpMatrix3 *matrix,
|
|
|
|
|
gint x,
|
|
|
|
|
gint y,
|
|
|
|
|
gint width,
|
|
|
|
|
gint height,
|
|
|
|
|
gdouble t_x1,
|
|
|
|
|
gdouble t_y1,
|
|
|
|
|
gdouble t_x2,
|
2017-06-17 16:03:24 +08:00
|
|
|
gdouble t_y2,
|
|
|
|
|
gdouble t_x3,
|
|
|
|
|
gdouble t_y3,
|
|
|
|
|
gdouble t_x4,
|
2011-03-28 04:04:33 +08:00
|
|
|
gdouble t_y4);
|
2018-01-27 19:08:55 +08:00
|
|
|
gboolean gimp_transform_matrix_generic (GimpMatrix3 *matrix,
|
2018-01-31 22:58:31 +08:00
|
|
|
const GimpVector2 input_points[4],
|
|
|
|
|
const GimpVector2 output_points[4]);
|
2011-03-28 04:04:33 +08:00
|
|
|
|
|
|
|
|
gboolean gimp_transform_polygon_is_convex (gdouble x1,
|
|
|
|
|
gdouble y1,
|
|
|
|
|
gdouble x2,
|
|
|
|
|
gdouble y2,
|
|
|
|
|
gdouble x3,
|
|
|
|
|
gdouble y3,
|
|
|
|
|
gdouble x4,
|
|
|
|
|
gdouble y4);
|
2001-11-20 02:23:43 +08:00
|
|
|
|
2018-01-28 22:41:19 +08:00
|
|
|
void gimp_transform_polygon (const GimpMatrix3 *matrix,
|
|
|
|
|
const GimpVector2 *vertices,
|
|
|
|
|
gint n_vertices,
|
|
|
|
|
gboolean closed,
|
|
|
|
|
GimpVector2 *t_vertices,
|
|
|
|
|
gint *n_t_vertices);
|
2018-02-03 17:54:03 +08:00
|
|
|
void gimp_transform_polygon_coords (const GimpMatrix3 *matrix,
|
|
|
|
|
const GimpCoords *vertices,
|
|
|
|
|
gint n_vertices,
|
|
|
|
|
gboolean closed,
|
|
|
|
|
GimpCoords *t_vertices,
|
|
|
|
|
gint *n_t_vertices);
|
2018-01-28 22:41:19 +08:00
|
|
|
|
2018-02-03 17:56:04 +08:00
|
|
|
void gimp_transform_bezier_coords (const GimpMatrix3 *matrix,
|
|
|
|
|
const GimpCoords bezier[4],
|
2018-02-05 03:33:11 +08:00
|
|
|
GQueue *t_beziers[2],
|
|
|
|
|
gint *n_t_beziers,
|
2018-02-03 17:56:04 +08:00
|
|
|
gboolean *start_in,
|
|
|
|
|
gboolean *end_in);
|
|
|
|
|
|
2001-11-20 02:23:43 +08:00
|
|
|
|
2003-09-16 01:41:18 +08:00
|
|
|
#endif /* __GIMP_TRANSFORM_UTILS_H__ */
|
