[wasm] Start adding wasm-api

This commit is contained in:
Behdad Esfahbod 2023-02-23 09:03:06 -07:00
parent 829ba74284
commit e79a7318c4
6 changed files with 108 additions and 16 deletions

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@ -60,4 +60,3 @@
#include "hb-subset.cc" #include "hb-subset.cc"
#include "hb-ucd.cc" #include "hb-ucd.cc"
#include "hb-unicode.cc" #include "hb-unicode.cc"
#include "hb-wasm-shape.cc"

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@ -58,4 +58,3 @@
#include "hb-ucd.cc" #include "hb-ucd.cc"
#include "hb-unicode.cc" #include "hb-unicode.cc"
#include "hb-uniscribe.cc" #include "hb-uniscribe.cc"
#include "hb-wasm-shape.cc"

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@ -32,39 +32,44 @@
#include <stdint.h> #include <stdint.h>
#ifndef HB_BEGIN_DECLS #ifndef HB_WASM_BEGIN_DECLS
# ifdef __cplusplus # ifdef __cplusplus
# define HB_BEGIN_DECLS extern "C" { # define HB_WASM_BEGIN_DECLS extern "C" {
# define HB_END_DECLS } # define HB_WASM_END_DECLS }
# else /* !__cplusplus */ # else /* !__cplusplus */
# define HB_BEGIN_DECLS # define HB_WASM_BEGIN_DECLS
# define HB_END_DECLS # define HB_WASM_END_DECLS
# endif /* !__cplusplus */ # endif /* !__cplusplus */
#endif #endif
HB_BEGIN_DECLS HB_WASM_BEGIN_DECLS
#ifndef HB_WASM_API
#define HB_WASM_API(x) x
#endif
#ifndef bool_t #ifndef bool_t
#define bool_t uint32_t #define bool_t uint32_t
#endif #endif
typedef uint32_t face_t typedef uint32_t face_t;
typedef uint32_t font_t typedef uint32_t font_t;
typedef uint32_t buffer_t typedef uint32_t buffer_t;
/* font */ /* font */
face_t face_t
font_get_face (font_t); HB_WASM_API (font_get_face) (font_t);
/* shape interface */ /* shape interface */
bool_t bool_t
shape (font_t, buffer_t); HB_WASM_API (shape) (font_t, buffer_t);
HB_END_DECLS HB_WASM_END_DECLS
#endif /* HB_WASM_API_H */ #endif /* HB_WASM_API_H */

45
src/hb-wasm-api.hh Normal file
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@ -0,0 +1,45 @@
/*
* Copyright © 2023 Behdad Esfahbod
*
* 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_WASM_API_HH
#define HB_WASM_API_HH
#include "hb.h"
#define HB_WASM_API(x) HB_INTERNAL x
#define HB_WASM_BEGIN_DECLS namespace hb { namespace wasm {
#define HB_WASM_END_DECLS }}
#include "hb-wasm-api.h"
#undef HB_WASM_API
#undef HB_WASM_BEGIN_DECLS
#undef HB_WASM_END_DECLS
#include "hb-wasm-font.hh"
#endif /* HB_WASM_API_HH */

44
src/hb-wasm-font.hh Normal file
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@ -0,0 +1,44 @@
/*
* Copyright © 2023 Behdad Esfahbod
*
* 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_WASM_FONT_HH
#define HB_WASM_FONT_HH
#include <hb-wasm-api.hh>
namespace hb {
namespace wasm {
face_t
font_get_face (font_t)
{
return 0;
}
}}
#endif /* HB_WASM_FONT_HH */

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@ -30,6 +30,8 @@
#ifdef HAVE_WASM #ifdef HAVE_WASM
#include "hb-wasm-api.hh"
#include <wasm_export.h> #include <wasm_export.h>
@ -44,11 +46,9 @@ struct hb_wasm_face_data_t {
wasm_module_t wasm_module; wasm_module_t wasm_module;
}; };
extern "C" {
static void debugprint(wasm_exec_env_t exec_env, char *the_string, uint8_t len) { static void debugprint(wasm_exec_env_t exec_env, char *the_string, uint8_t len) {
printf("%*s", len, the_string); printf("%*s", len, the_string);
} }
}
static bool static bool
init_wasm () init_wasm ()