hb-wasm-api-list.hh (3950B)
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 34 static void debugprint (HB_WASM_EXEC_ENV char *str) 35 { DEBUG_MSG (WASM, exec_env, "%s", str); } 36 static void debugprint1 (HB_WASM_EXEC_ENV char *str, int32_t i1) 37 { DEBUG_MSG (WASM, exec_env, "%s: %d", str, i1); } 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); } 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); } 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 */