5c77b02bac
Allow start >= end to mean that the path continues at the beginning after reaching the end until it reaches the point at @end.
104 lines
6.7 KiB
C
104 lines
6.7 KiB
C
/*
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* Copyright © 2020 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#ifndef __GSK_CONTOUR_PRIVATE_H__
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#define __GSK_CONTOUR_PRIVATE_H__
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#include <gskpath.h>
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#include "gskpathopprivate.h"
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G_BEGIN_DECLS
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typedef enum
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{
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GSK_PATH_FLAT,
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GSK_PATH_CLOSED
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} GskPathFlags;
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typedef struct _GskContour GskContour;
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GskContour * gsk_rect_contour_new (const graphene_rect_t *rect);
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GskContour * gsk_circle_contour_new (const graphene_point_t *center,
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float radius,
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float start_angle,
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float end_angle);
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GskContour * gsk_standard_contour_new (GskPathFlags flags,
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const graphene_point_t *points,
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gsize n_points,
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const gskpathop *ops,
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gsize n_ops,
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gssize offset);
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void gsk_contour_copy (GskContour * dest,
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const GskContour *src);
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GskContour * gsk_contour_dup (const GskContour *src);
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gsize gsk_contour_get_size (const GskContour *self);
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GskPathFlags gsk_contour_get_flags (const GskContour *self);
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void gsk_contour_print (const GskContour *self,
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GString *string);
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gboolean gsk_contour_get_bounds (const GskContour *self,
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graphene_rect_t *bounds);
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gpointer gsk_contour_init_measure (const GskContour *self,
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float tolerance,
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float *out_length);
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void gsk_contour_free_measure (const GskContour *self,
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gpointer data);
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gboolean gsk_contour_foreach (const GskContour *self,
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float tolerance,
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GskPathForeachFunc func,
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gpointer user_data);
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void gsk_contour_get_start_end (const GskContour *self,
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graphene_point_t *start,
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graphene_point_t *end);
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void gsk_contour_get_point (const GskContour *self,
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gpointer measure_data,
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float distance,
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graphene_point_t *pos,
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graphene_vec2_t *tangent);
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gboolean gsk_contour_get_closest_point (const GskContour *self,
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gpointer measure_data,
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float tolerance,
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const graphene_point_t *point,
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float threshold,
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float *out_distance,
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graphene_point_t *out_pos,
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float *out_offset,
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graphene_vec2_t *out_tangent);
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int gsk_contour_get_winding (const GskContour *self,
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gpointer measure_data,
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const graphene_point_t *point,
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gboolean *on_edge);
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void gsk_contour_add_segment (const GskContour *self,
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GskPathBuilder *builder,
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gpointer measure_data,
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gboolean emit_move_to,
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float start,
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float end);
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gboolean gsk_contour_get_stroke_bounds (const GskContour *self,
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const GskStroke *stroke,
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graphene_rect_t *bounds);
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G_END_DECLS
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#endif /* __GSK_CONTOUR_PRIVATE_H__ */
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