1 /*
2 * Copyright © 2023 Behdad Esfahbod
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 */
24
25 #ifndef HB_WASM_API_LIST_HH
26 #define HB_WASM_API_LIST_HH
27
28 #include "hb-wasm-api.hh"
29
30
31 #ifdef HB_DEBUG_WASM
32 namespace hb { namespace wasm {
33
debugprint(HB_WASM_EXEC_ENV char * str)34 static void debugprint (HB_WASM_EXEC_ENV char *str)
35 { DEBUG_MSG (WASM, exec_env, "%s", str); }
debugprint1(HB_WASM_EXEC_ENV char * str,int32_t i1)36 static void debugprint1 (HB_WASM_EXEC_ENV char *str, int32_t i1)
37 { DEBUG_MSG (WASM, exec_env, "%s: %d", str, i1); }
debugprint2(HB_WASM_EXEC_ENV char * str,int32_t i1,int32_t i2)38 static void debugprint2 (HB_WASM_EXEC_ENV char *str, int32_t i1, int32_t i2)
39 { DEBUG_MSG (WASM, exec_env, "%s: %d, %d", str, i1, i2); }
debugprint3(HB_WASM_EXEC_ENV char * str,int32_t i1,int32_t i2,int32_t i3)40 static void debugprint3 (HB_WASM_EXEC_ENV char *str, int32_t i1, int32_t i2, int32_t i3)
41 { DEBUG_MSG (WASM, exec_env, "%s: %d, %d, %d", str, i1, i2, i3); }
debugprint4(HB_WASM_EXEC_ENV char * str,int32_t i1,int32_t i2,int32_t i3,int32_t i4)42 static void debugprint4 (HB_WASM_EXEC_ENV char *str, int32_t i1, int32_t i2, int32_t i3, int32_t i4)
43 { DEBUG_MSG (WASM, exec_env, "%s: %d, %d, %d, %d", str, i1, i2, i3, i4); }
44
45 }}
46 #endif
47
48 #define NATIVE_SYMBOL(signature, name) {#name, (void *) hb::wasm::name, signature, NULL}
49 /* Note: the array must be static defined since runtime will keep it after registration.
50 * Also not const, because it modifies it (sorts it).
51 * https://github.com/bytecodealliance/wasm-micro-runtime/blob/main/doc/export_native_api.md
52 *
53 * TODO Allocate this lazily in _hb_wasm_init(). */
54 static NativeSymbol _hb_wasm_native_symbols[] =
55 {
56 /* common */
57 NATIVE_SYMBOL ("(i)i", script_get_horizontal_direction),
58
59 /* blob */
60 NATIVE_SYMBOL ("(i)", blob_free),
61
62 /* buffer */
63 NATIVE_SYMBOL ("(i)", buffer_contents_free),
64 NATIVE_SYMBOL ("(ii)i", buffer_contents_realloc),
65 NATIVE_SYMBOL ("(ii)i", buffer_copy_contents),
66 NATIVE_SYMBOL ("(ii)i", buffer_set_contents),
67 NATIVE_SYMBOL ("(i)i", buffer_get_direction),
68 NATIVE_SYMBOL ("(i)i", buffer_get_script),
69 NATIVE_SYMBOL ("(i)", buffer_reverse),
70 NATIVE_SYMBOL ("(i)", buffer_reverse_clusters),
71
72 /* face */
73 NATIVE_SYMBOL ("(ii)i", face_create),
74 NATIVE_SYMBOL ("(iii)i", face_copy_table),
75 NATIVE_SYMBOL ("(i)i", face_get_upem),
76
77 /* font */
78 NATIVE_SYMBOL ("(i)i", font_create),
79 NATIVE_SYMBOL ("(i)i", font_get_face),
80 NATIVE_SYMBOL ("(iii)", font_get_scale),
81 NATIVE_SYMBOL ("(iii)i", font_get_glyph),
82 NATIVE_SYMBOL ("(ii)i", font_get_glyph_h_advance),
83 NATIVE_SYMBOL ("(ii)i", font_get_glyph_v_advance),
84 NATIVE_SYMBOL ("(iii)i", font_get_glyph_extents),
85 NATIVE_SYMBOL ("(ii$*)", font_glyph_to_string),
86 NATIVE_SYMBOL ("(iii)i", font_copy_glyph_outline),
87 NATIVE_SYMBOL ("(ii)i", font_copy_coords),
88 NATIVE_SYMBOL ("(ii)i", font_set_coords),
89
90 /* outline */
91 NATIVE_SYMBOL ("(i)", glyph_outline_free),
92
93 /* shape */
94 NATIVE_SYMBOL ("(iiii$)i", shape_with),
95
96 /* debug */
97 #ifdef HB_DEBUG_WASM
98 NATIVE_SYMBOL ("($)", debugprint),
99 NATIVE_SYMBOL ("($i)", debugprint1),
100 NATIVE_SYMBOL ("($ii)", debugprint2),
101 NATIVE_SYMBOL ("($iii)", debugprint3),
102 NATIVE_SYMBOL ("($iiii)", debugprint4),
103 #endif
104
105 };
106 #undef NATIVE_SYMBOL
107
108
109 #endif /* HB_WASM_API_LIST_HH */
110