관리-도구

편집 파일: hb-draw.h

/* * Copyright © 2019-2020 Ebrahim Byagowi * * This is part of HarfBuzz, a text shaping library. * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * software and its documentation for any purpose, provided that the * above copyright notice and the following two paragraphs appear in * all copies of this software. * * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. * * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. */ #ifndef HB_H_IN #error "Include <hb.h> instead." #endif #ifndef HB_DRAW_H #define HB_DRAW_H #include "hb.h" HB_BEGIN_DECLS #ifdef HB_EXPERIMENTAL_API typedef void (*hb_draw_move_to_func_t) (hb_position_t to_x, hb_position_t to_y, void *user_data); typedef void (*hb_draw_line_to_func_t) (hb_position_t to_x, hb_position_t to_y, void *user_data); typedef void (*hb_draw_quadratic_to_func_t) (hb_position_t control_x, hb_position_t control_y, hb_position_t to_x, hb_position_t to_y, void *user_data); typedef void (*hb_draw_cubic_to_func_t) (hb_position_t control1_x, hb_position_t control1_y, hb_position_t control2_x, hb_position_t control2_y, hb_position_t to_x, hb_position_t to_y, void *user_data); typedef void (*hb_draw_close_path_func_t) (void *user_data); /** * hb_draw_funcs_t: * * Glyph draw callbacks. * * _move_to, _line_to and _cubic_to calls are nessecary to be defined but we * translate _quadratic_to calls to _cubic_to if the callback isn't defined. * * Since: EXPERIMENTAL **/ typedef struct hb_draw_funcs_t hb_draw_funcs_t; HB_EXTERN void hb_draw_funcs_set_move_to_func (hb_draw_funcs_t *funcs, hb_draw_move_to_func_t move_to); HB_EXTERN void hb_draw_funcs_set_line_to_func (hb_draw_funcs_t *funcs, hb_draw_line_to_func_t line_to); HB_EXTERN void hb_draw_funcs_set_quadratic_to_func (hb_draw_funcs_t *funcs, hb_draw_quadratic_to_func_t quadratic_to); HB_EXTERN void hb_draw_funcs_set_cubic_to_func (hb_draw_funcs_t *funcs, hb_draw_cubic_to_func_t cubic_to); HB_EXTERN void hb_draw_funcs_set_close_path_func (hb_draw_funcs_t *funcs, hb_draw_close_path_func_t close_path); HB_EXTERN hb_draw_funcs_t * hb_draw_funcs_create (void); HB_EXTERN hb_draw_funcs_t * hb_draw_funcs_reference (hb_draw_funcs_t *funcs); HB_EXTERN void hb_draw_funcs_destroy (hb_draw_funcs_t *funcs); HB_EXTERN void hb_draw_funcs_make_immutable (hb_draw_funcs_t *funcs); HB_EXTERN hb_bool_t hb_draw_funcs_is_immutable (hb_draw_funcs_t *funcs); #endif HB_END_DECLS #endif /* HB_DRAW_H */