--- /dev/null 2015-11-17 15:39:54.000000000 -0800 +++ new/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-font.h 2015-11-17 15:39:54.000000000 -0800 @@ -0,0 +1,541 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +// This file is available under and governed by the GNU General Public +// License version 2 only, as published by the Free Software Foundation. +// However, the following notice accompanied the original version of this +// file: +// +/* + * Copyright © 2009 Red Hat, Inc. + * + * 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. + * + * Red Hat Author(s): Behdad Esfahbod + */ + +#ifndef HB_H_IN +#error "Include instead." +#endif + +#ifndef HB_FONT_H +#define HB_FONT_H + +#include "hb-common.h" +#include "hb-face.h" + +HB_BEGIN_DECLS + + +typedef struct hb_font_t hb_font_t; + + +/* + * hb_font_funcs_t + */ + +typedef struct hb_font_funcs_t hb_font_funcs_t; + +hb_font_funcs_t * +hb_font_funcs_create (void); + +hb_font_funcs_t * +hb_font_funcs_get_empty (void); + +hb_font_funcs_t * +hb_font_funcs_reference (hb_font_funcs_t *ffuncs); + +void +hb_font_funcs_destroy (hb_font_funcs_t *ffuncs); + +hb_bool_t +hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); + + +void * +hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key); + + +void +hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs); + +hb_bool_t +hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs); + + +/* glyph extents */ + +/* Note that height is negative in coordinate systems that grow up. */ +typedef struct hb_glyph_extents_t +{ + hb_position_t x_bearing; /* left side of glyph from origin. */ + hb_position_t y_bearing; /* top side of glyph from origin. */ + hb_position_t width; /* distance from left to right side. */ + hb_position_t height; /* distance from top to bottom side. */ +} hb_glyph_extents_t; + + +/* func types */ + +typedef hb_bool_t (*hb_font_get_glyph_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph, + void *user_data); + + +typedef hb_position_t (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, + void *user_data); +typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_h_advance_func_t; +typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_v_advance_func_t; + +typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y, + void *user_data); +typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_h_origin_func_t; +typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_v_origin_func_t; + +typedef hb_position_t (*hb_font_get_glyph_kerning_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, + void *user_data); +typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t; +typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t; + + +typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, + hb_glyph_extents_t *extents, + void *user_data); +typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, unsigned int point_index, + hb_position_t *x, hb_position_t *y, + void *user_data); + + +typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, + char *name, unsigned int size, + void *user_data); +typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data, + const char *name, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph, + void *user_data); + + +/* func setters */ + +/** + * hb_font_funcs_set_glyph_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_h_advance_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_h_advance_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_h_advance_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_v_advance_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_v_advance_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_v_advance_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_h_origin_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_h_origin_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_h_origin_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_v_origin_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_v_origin_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_v_origin_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_h_kerning_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_h_kerning_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_h_kerning_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_v_kerning_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_v_kerning_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_v_kerning_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_extents_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_extents_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_contour_point_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_contour_point_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_contour_point_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_name_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_name_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_name_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_glyph_from_name_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_set_glyph_from_name_func (hb_font_funcs_t *ffuncs, + hb_font_get_glyph_from_name_func_t func, + void *user_data, hb_destroy_func_t destroy); + + +/* func dispatch */ + +hb_bool_t +hb_font_get_glyph (hb_font_t *font, + hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph); + +hb_position_t +hb_font_get_glyph_h_advance (hb_font_t *font, + hb_codepoint_t glyph); +hb_position_t +hb_font_get_glyph_v_advance (hb_font_t *font, + hb_codepoint_t glyph); + +hb_bool_t +hb_font_get_glyph_h_origin (hb_font_t *font, + hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y); +hb_bool_t +hb_font_get_glyph_v_origin (hb_font_t *font, + hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y); + +hb_position_t +hb_font_get_glyph_h_kerning (hb_font_t *font, + hb_codepoint_t left_glyph, hb_codepoint_t right_glyph); +hb_position_t +hb_font_get_glyph_v_kerning (hb_font_t *font, + hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph); + +hb_bool_t +hb_font_get_glyph_extents (hb_font_t *font, + hb_codepoint_t glyph, + hb_glyph_extents_t *extents); + +hb_bool_t +hb_font_get_glyph_contour_point (hb_font_t *font, + hb_codepoint_t glyph, unsigned int point_index, + hb_position_t *x, hb_position_t *y); + +hb_bool_t +hb_font_get_glyph_name (hb_font_t *font, + hb_codepoint_t glyph, + char *name, unsigned int size); +hb_bool_t +hb_font_get_glyph_from_name (hb_font_t *font, + const char *name, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph); + + +/* high-level funcs, with fallback */ + +void +hb_font_get_glyph_advance_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y); +void +hb_font_get_glyph_origin_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y); +void +hb_font_add_glyph_origin_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y); +void +hb_font_subtract_glyph_origin_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y); + +void +hb_font_get_glyph_kerning_for_direction (hb_font_t *font, + hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y); + +hb_bool_t +hb_font_get_glyph_extents_for_origin (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_glyph_extents_t *extents); + +hb_bool_t +hb_font_get_glyph_contour_point_for_origin (hb_font_t *font, + hb_codepoint_t glyph, unsigned int point_index, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y); + +/* Generates gidDDD if glyph has no name. */ +void +hb_font_glyph_to_string (hb_font_t *font, + hb_codepoint_t glyph, + char *s, unsigned int size); +/* Parses gidDDD and uniUUUU strings automatically. */ +hb_bool_t +hb_font_glyph_from_string (hb_font_t *font, + const char *s, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph); + + +/* + * hb_font_t + */ + +/* Fonts are very light-weight objects */ + +hb_font_t * +hb_font_create (hb_face_t *face); + +hb_font_t * +hb_font_create_sub_font (hb_font_t *parent); + +hb_font_t * +hb_font_get_empty (void); + +hb_font_t * +hb_font_reference (hb_font_t *font); + +void +hb_font_destroy (hb_font_t *font); + +hb_bool_t +hb_font_set_user_data (hb_font_t *font, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); + + +void * +hb_font_get_user_data (hb_font_t *font, + hb_user_data_key_t *key); + +void +hb_font_make_immutable (hb_font_t *font); + +hb_bool_t +hb_font_is_immutable (hb_font_t *font); + +void +hb_font_set_parent (hb_font_t *font, + hb_font_t *parent); + +hb_font_t * +hb_font_get_parent (hb_font_t *font); + +hb_face_t * +hb_font_get_face (hb_font_t *font); + + +void +hb_font_set_funcs (hb_font_t *font, + hb_font_funcs_t *klass, + void *font_data, + hb_destroy_func_t destroy); + +/* Be *very* careful with this function! */ +void +hb_font_set_funcs_data (hb_font_t *font, + void *font_data, + hb_destroy_func_t destroy); + + +void +hb_font_set_scale (hb_font_t *font, + int x_scale, + int y_scale); + +void +hb_font_get_scale (hb_font_t *font, + int *x_scale, + int *y_scale); + +/* + * A zero value means "no hinting in that direction" + */ +void +hb_font_set_ppem (hb_font_t *font, + unsigned int x_ppem, + unsigned int y_ppem); + +void +hb_font_get_ppem (hb_font_t *font, + unsigned int *x_ppem, + unsigned int *y_ppem); + + +HB_END_DECLS + +#endif /* HB_FONT_H */