use FriBiDi shim in Raqm

This commit is contained in:
nulano 2020-11-25 11:21:42 +00:00 committed by Andrew Murray
parent e5e5761da4
commit 8bc1ff35b4
8 changed files with 243 additions and 357 deletions

View File

@ -267,6 +267,7 @@ class pil_build_ext(build_ext):
"jpeg", "jpeg",
"tiff", "tiff",
"freetype", "freetype",
"harfbuzz",
"lcms", "lcms",
"webp", "webp",
"webpmux", "webpmux",
@ -656,6 +657,12 @@ class pil_build_ext(build_ext):
if subdir: if subdir:
_add_directory(self.compiler.include_dirs, subdir, 0) _add_directory(self.compiler.include_dirs, subdir, 0)
if feature.want("harfbuzz"):
_dbg("Looking for harfbuzz")
if _find_include_file(self, "hb-version.h"):
if _find_library_file(self, "harfbuzz"):
feature.harfbuzz = "harfbuzz"
if feature.want("lcms"): if feature.want("lcms"):
_dbg("Looking for lcms") _dbg("Looking for lcms")
if _find_include_file(self, "lcms2.h"): if _find_include_file(self, "lcms2.h"):
@ -850,7 +857,14 @@ for src_file in _LIB_IMAGING:
files.append(os.path.join("src/libImaging", src_file + ".c")) files.append(os.path.join("src/libImaging", src_file + ".c"))
ext_modules = [ ext_modules = [
Extension("PIL._imaging", files), Extension("PIL._imaging", files),
Extension("PIL._imagingft", ["src/_imagingft.c"]), Extension(
"PIL._imagingft",
[
"src/_imagingft.c",
"src/thirdparty/raqm/raqm.c",
"src/thirdparty/fribidi-shim/fribidi.c",
],
),
Extension("PIL._imagingcms", ["src/_imagingcms.c"]), Extension("PIL._imagingcms", ["src/_imagingcms.c"]),
Extension("PIL._webp", ["src/_webp.c"]), Extension("PIL._webp", ["src/_webp.c"]),
Extension("PIL._imagingtk", ["src/_imagingtk.c", "src/Tk/tkImaging.c"]), Extension("PIL._imagingtk", ["src/_imagingtk.c", "src/Tk/tkImaging.c"]),

View File

@ -35,10 +35,6 @@
#define KEEP_PY_UNICODE #define KEEP_PY_UNICODE
#ifndef _WIN32
#include <dlfcn.h>
#endif
#if !defined(FT_LOAD_TARGET_MONO) #if !defined(FT_LOAD_TARGET_MONO)
#define FT_LOAD_TARGET_MONO FT_LOAD_MONOCHROME #define FT_LOAD_TARGET_MONO FT_LOAD_MONOCHROME
#endif #endif
@ -56,7 +52,8 @@
} \ } \
; ;
#include "libImaging/raqm.h" #include "thirdparty/raqm/raqm.h"
#include "thirdparty/fribidi-shim/fribidi.h"
#define LAYOUT_FALLBACK 0 #define LAYOUT_FALLBACK 0
#define LAYOUT_RAQM 1 #define LAYOUT_RAQM 1
@ -86,42 +83,6 @@ typedef struct {
static PyTypeObject Font_Type; static PyTypeObject Font_Type;
typedef const char *(*t_raqm_version_string)(void);
typedef bool (*t_raqm_version_atleast)(
unsigned int major, unsigned int minor, unsigned int micro);
typedef raqm_t *(*t_raqm_create)(void);
typedef int (*t_raqm_set_text)(raqm_t *rq, const uint32_t *text, size_t len);
typedef bool (*t_raqm_set_text_utf8)(raqm_t *rq, const char *text, size_t len);
typedef bool (*t_raqm_set_par_direction)(raqm_t *rq, raqm_direction_t dir);
typedef bool (*t_raqm_set_language)(
raqm_t *rq, const char *lang, size_t start, size_t len);
typedef bool (*t_raqm_add_font_feature)(raqm_t *rq, const char *feature, int len);
typedef bool (*t_raqm_set_freetype_face)(raqm_t *rq, FT_Face face);
typedef bool (*t_raqm_layout)(raqm_t *rq);
typedef raqm_glyph_t *(*t_raqm_get_glyphs)(raqm_t *rq, size_t *length);
typedef raqm_glyph_t_01 *(*t_raqm_get_glyphs_01)(raqm_t *rq, size_t *length);
typedef void (*t_raqm_destroy)(raqm_t *rq);
typedef struct {
void *raqm;
int version;
t_raqm_version_string version_string;
t_raqm_version_atleast version_atleast;
t_raqm_create create;
t_raqm_set_text set_text;
t_raqm_set_text_utf8 set_text_utf8;
t_raqm_set_par_direction set_par_direction;
t_raqm_set_language set_language;
t_raqm_add_font_feature add_font_feature;
t_raqm_set_freetype_face set_freetype_face;
t_raqm_layout layout;
t_raqm_get_glyphs get_glyphs;
t_raqm_get_glyphs_01 get_glyphs_01;
t_raqm_destroy destroy;
} p_raqm_func;
static p_raqm_func p_raqm;
/* round a 26.6 pixel coordinate to the nearest integer */ /* round a 26.6 pixel coordinate to the nearest integer */
#define PIXEL(x) ((((x) + 32) & -64) >> 6) #define PIXEL(x) ((((x) + 32) & -64) >> 6)
@ -142,101 +103,7 @@ geterror(int code) {
static int static int
setraqm(void) { setraqm(void) {
/* set the static function pointers for dynamic raqm linking */ return load_fribidi();
p_raqm.raqm = NULL;
/* Microsoft needs a totally different system */
#ifndef _WIN32
p_raqm.raqm = dlopen("libraqm.so.0", RTLD_LAZY);
if (!p_raqm.raqm) {
p_raqm.raqm = dlopen("libraqm.dylib", RTLD_LAZY);
}
#else
p_raqm.raqm = LoadLibrary("libraqm");
/* MSYS */
if (!p_raqm.raqm) {
p_raqm.raqm = LoadLibrary("libraqm-0");
}
#endif
if (!p_raqm.raqm) {
return 1;
}
#ifndef _WIN32
p_raqm.version_string =
(t_raqm_version_string)dlsym(p_raqm.raqm, "raqm_version_string");
p_raqm.version_atleast =
(t_raqm_version_atleast)dlsym(p_raqm.raqm, "raqm_version_atleast");
p_raqm.create = (t_raqm_create)dlsym(p_raqm.raqm, "raqm_create");
p_raqm.set_text = (t_raqm_set_text)dlsym(p_raqm.raqm, "raqm_set_text");
p_raqm.set_text_utf8 =
(t_raqm_set_text_utf8)dlsym(p_raqm.raqm, "raqm_set_text_utf8");
p_raqm.set_par_direction =
(t_raqm_set_par_direction)dlsym(p_raqm.raqm, "raqm_set_par_direction");
p_raqm.set_language = (t_raqm_set_language)dlsym(p_raqm.raqm, "raqm_set_language");
p_raqm.add_font_feature =
(t_raqm_add_font_feature)dlsym(p_raqm.raqm, "raqm_add_font_feature");
p_raqm.set_freetype_face =
(t_raqm_set_freetype_face)dlsym(p_raqm.raqm, "raqm_set_freetype_face");
p_raqm.layout = (t_raqm_layout)dlsym(p_raqm.raqm, "raqm_layout");
p_raqm.destroy = (t_raqm_destroy)dlsym(p_raqm.raqm, "raqm_destroy");
if (dlsym(p_raqm.raqm, "raqm_index_to_position")) {
p_raqm.get_glyphs = (t_raqm_get_glyphs)dlsym(p_raqm.raqm, "raqm_get_glyphs");
p_raqm.version = 2;
} else {
p_raqm.version = 1;
p_raqm.get_glyphs_01 =
(t_raqm_get_glyphs_01)dlsym(p_raqm.raqm, "raqm_get_glyphs");
}
if (dlerror() ||
!(p_raqm.create && p_raqm.set_text && p_raqm.set_text_utf8 &&
p_raqm.set_par_direction && p_raqm.set_language && p_raqm.add_font_feature &&
p_raqm.set_freetype_face && p_raqm.layout &&
(p_raqm.get_glyphs || p_raqm.get_glyphs_01) && p_raqm.destroy)) {
dlclose(p_raqm.raqm);
p_raqm.raqm = NULL;
return 2;
}
#else
p_raqm.version_string =
(t_raqm_version_string)GetProcAddress(p_raqm.raqm, "raqm_version_string");
p_raqm.version_atleast =
(t_raqm_version_atleast)GetProcAddress(p_raqm.raqm, "raqm_version_atleast");
p_raqm.create = (t_raqm_create)GetProcAddress(p_raqm.raqm, "raqm_create");
p_raqm.set_text = (t_raqm_set_text)GetProcAddress(p_raqm.raqm, "raqm_set_text");
p_raqm.set_text_utf8 =
(t_raqm_set_text_utf8)GetProcAddress(p_raqm.raqm, "raqm_set_text_utf8");
p_raqm.set_par_direction =
(t_raqm_set_par_direction)GetProcAddress(p_raqm.raqm, "raqm_set_par_direction");
p_raqm.set_language =
(t_raqm_set_language)GetProcAddress(p_raqm.raqm, "raqm_set_language");
p_raqm.add_font_feature =
(t_raqm_add_font_feature)GetProcAddress(p_raqm.raqm, "raqm_add_font_feature");
p_raqm.set_freetype_face =
(t_raqm_set_freetype_face)GetProcAddress(p_raqm.raqm, "raqm_set_freetype_face");
p_raqm.layout = (t_raqm_layout)GetProcAddress(p_raqm.raqm, "raqm_layout");
p_raqm.destroy = (t_raqm_destroy)GetProcAddress(p_raqm.raqm, "raqm_destroy");
if (GetProcAddress(p_raqm.raqm, "raqm_index_to_position")) {
p_raqm.get_glyphs =
(t_raqm_get_glyphs)GetProcAddress(p_raqm.raqm, "raqm_get_glyphs");
p_raqm.version = 2;
} else {
p_raqm.version = 1;
p_raqm.get_glyphs_01 =
(t_raqm_get_glyphs_01)GetProcAddress(p_raqm.raqm, "raqm_get_glyphs");
}
if (!(p_raqm.create && p_raqm.set_text && p_raqm.set_text_utf8 &&
p_raqm.set_par_direction && p_raqm.set_language && p_raqm.add_font_feature &&
p_raqm.set_freetype_face && p_raqm.layout &&
(p_raqm.get_glyphs || p_raqm.get_glyphs_01) && p_raqm.destroy)) {
FreeLibrary(p_raqm.raqm);
p_raqm.raqm = NULL;
return 2;
}
#endif
return 0;
} }
static PyObject * static PyObject *
@ -359,10 +226,10 @@ text_layout_raqm(
size_t i = 0, count = 0, start = 0; size_t i = 0, count = 0, start = 0;
raqm_t *rq; raqm_t *rq;
raqm_glyph_t *glyphs = NULL; raqm_glyph_t *glyphs = NULL;
raqm_glyph_t_01 *glyphs_01 = NULL; // raqm_glyph_t_01 *glyphs_01 = NULL;
raqm_direction_t direction; raqm_direction_t direction;
rq = (*p_raqm.create)(); rq = raqm_create();
if (rq == NULL) { if (rq == NULL) {
PyErr_SetString(PyExc_ValueError, "raqm_create() failed."); PyErr_SetString(PyExc_ValueError, "raqm_create() failed.");
goto failed; goto failed;
@ -376,14 +243,14 @@ text_layout_raqm(
and raqm fails with empty strings */ and raqm fails with empty strings */
goto failed; goto failed;
} }
int set_text = (*p_raqm.set_text)(rq, text, size); int set_text = raqm_set_text(rq, text, size);
PyMem_Free(text); PyMem_Free(text);
if (!set_text) { if (!set_text) {
PyErr_SetString(PyExc_ValueError, "raqm_set_text() failed"); PyErr_SetString(PyExc_ValueError, "raqm_set_text() failed");
goto failed; goto failed;
} }
if (lang) { if (lang) {
if (!(*p_raqm.set_language)(rq, lang, start, size)) { if (!raqm_set_language(rq, lang, start, size)) {
PyErr_SetString(PyExc_ValueError, "raqm_set_language() failed"); PyErr_SetString(PyExc_ValueError, "raqm_set_language() failed");
goto failed; goto failed;
} }
@ -401,12 +268,12 @@ text_layout_raqm(
direction = RAQM_DIRECTION_LTR; direction = RAQM_DIRECTION_LTR;
} else if (strcmp(dir, "ttb") == 0) { } else if (strcmp(dir, "ttb") == 0) {
direction = RAQM_DIRECTION_TTB; direction = RAQM_DIRECTION_TTB;
if (p_raqm.version_atleast == NULL || !(*p_raqm.version_atleast)(0, 7, 0)) { // if (p_raqm.version_atleast == NULL || !(*p_raqm.version_atleast)(0, 7, 0)) {
PyErr_SetString( // PyErr_SetString(
PyExc_ValueError, // PyExc_ValueError,
"libraqm 0.7 or greater required for 'ttb' direction"); // "libraqm 0.7 or greater required for 'ttb' direction");
goto failed; // goto failed;
} // }
} else { } else {
PyErr_SetString( PyErr_SetString(
PyExc_ValueError, "direction must be either 'rtl', 'ltr' or 'ttb'"); PyExc_ValueError, "direction must be either 'rtl', 'ltr' or 'ttb'");
@ -414,7 +281,7 @@ text_layout_raqm(
} }
} }
if (!(*p_raqm.set_par_direction)(rq, direction)) { if (!raqm_set_par_direction(rq, direction)) {
PyErr_SetString(PyExc_ValueError, "raqm_set_par_direction() failed"); PyErr_SetString(PyExc_ValueError, "raqm_set_par_direction() failed");
goto failed; goto failed;
} }
@ -446,38 +313,38 @@ text_layout_raqm(
feature = PyBytes_AS_STRING(bytes); feature = PyBytes_AS_STRING(bytes);
size = PyBytes_GET_SIZE(bytes); size = PyBytes_GET_SIZE(bytes);
} }
if (!(*p_raqm.add_font_feature)(rq, feature, size)) { if (!raqm_add_font_feature(rq, feature, size)) {
PyErr_SetString(PyExc_ValueError, "raqm_add_font_feature() failed"); PyErr_SetString(PyExc_ValueError, "raqm_add_font_feature() failed");
goto failed; goto failed;
} }
} }
} }
if (!(*p_raqm.set_freetype_face)(rq, self->face)) { if (!raqm_set_freetype_face(rq, self->face)) {
PyErr_SetString(PyExc_RuntimeError, "raqm_set_freetype_face() failed."); PyErr_SetString(PyExc_RuntimeError, "raqm_set_freetype_face() failed.");
goto failed; goto failed;
} }
if (!(*p_raqm.layout)(rq)) { if (!raqm_layout(rq)) {
PyErr_SetString(PyExc_RuntimeError, "raqm_layout() failed."); PyErr_SetString(PyExc_RuntimeError, "raqm_layout() failed.");
goto failed; goto failed;
} }
if (p_raqm.version == 1) { // if (p_raqm.version == 1) {
glyphs_01 = (*p_raqm.get_glyphs_01)(rq, &count); // glyphs_01 = raqm_get_glyphs_01(rq, &count);
if (glyphs_01 == NULL) { // if (glyphs_01 == NULL) {
PyErr_SetString(PyExc_ValueError, "raqm_get_glyphs() failed."); // PyErr_SetString(PyExc_ValueError, "raqm_get_glyphs() failed.");
count = 0; // count = 0;
goto failed; // goto failed;
} // }
} else { /* version == 2 */ // } else { /* version == 2 */
glyphs = (*p_raqm.get_glyphs)(rq, &count); glyphs = raqm_get_glyphs(rq, &count);
if (glyphs == NULL) { if (glyphs == NULL) {
PyErr_SetString(PyExc_ValueError, "raqm_get_glyphs() failed."); PyErr_SetString(PyExc_ValueError, "raqm_get_glyphs() failed.");
count = 0; count = 0;
goto failed; goto failed;
} }
} // }
(*glyph_info) = PyMem_New(GlyphInfo, count); (*glyph_info) = PyMem_New(GlyphInfo, count);
if ((*glyph_info) == NULL) { if ((*glyph_info) == NULL) {
@ -486,16 +353,16 @@ text_layout_raqm(
goto failed; goto failed;
} }
if (p_raqm.version == 1) { // if (p_raqm.version == 1) {
for (i = 0; i < count; i++) { // for (i = 0; i < count; i++) {
(*glyph_info)[i].index = glyphs_01[i].index; // (*glyph_info)[i].index = glyphs_01[i].index;
(*glyph_info)[i].x_offset = glyphs_01[i].x_offset; // (*glyph_info)[i].x_offset = glyphs_01[i].x_offset;
(*glyph_info)[i].x_advance = glyphs_01[i].x_advance; // (*glyph_info)[i].x_advance = glyphs_01[i].x_advance;
(*glyph_info)[i].y_offset = glyphs_01[i].y_offset; // (*glyph_info)[i].y_offset = glyphs_01[i].y_offset;
(*glyph_info)[i].y_advance = glyphs_01[i].y_advance; // (*glyph_info)[i].y_advance = glyphs_01[i].y_advance;
(*glyph_info)[i].cluster = glyphs_01[i].cluster; // (*glyph_info)[i].cluster = glyphs_01[i].cluster;
} // }
} else { // } else {
for (i = 0; i < count; i++) { for (i = 0; i < count; i++) {
(*glyph_info)[i].index = glyphs[i].index; (*glyph_info)[i].index = glyphs[i].index;
(*glyph_info)[i].x_offset = glyphs[i].x_offset; (*glyph_info)[i].x_offset = glyphs[i].x_offset;
@ -504,10 +371,10 @@ text_layout_raqm(
(*glyph_info)[i].y_advance = glyphs[i].y_advance; (*glyph_info)[i].y_advance = glyphs[i].y_advance;
(*glyph_info)[i].cluster = glyphs[i].cluster; (*glyph_info)[i].cluster = glyphs[i].cluster;
} }
} // }
failed: failed:
(*p_raqm.destroy)(rq); raqm_destroy(rq);
return count; return count;
} }
@ -607,9 +474,9 @@ text_layout(
int color) { int color) {
size_t count; size_t count;
if (p_raqm.raqm && self->layout_engine == LAYOUT_RAQM) { if (p_fribidi && self->layout_engine == LAYOUT_RAQM) {
count = text_layout_raqm( count = text_layout_raqm(
string, self, dir, features, lang, glyph_info, mask, color); string, self, dir, features, lang, glyph_info, mask, color);
} else { } else {
count = text_layout_fallback( count = text_layout_fallback(
string, self, dir, features, lang, glyph_info, mask, color); string, self, dir, features, lang, glyph_info, mask, color);
@ -1491,12 +1358,14 @@ setup_module(PyObject *m) {
PyDict_SetItemString(d, "freetype2_version", v); PyDict_SetItemString(d, "freetype2_version", v);
setraqm(); setraqm();
v = PyBool_FromLong(!!p_raqm.raqm); v = PyBool_FromLong(!!p_fribidi);
PyDict_SetItemString(d, "HAVE_RAQM", v); PyDict_SetItemString(d, "HAVE_RAQM", v);
if (p_raqm.version_string) { // if (p_raqm.version_string) {
PyDict_SetItemString( PyDict_SetItemString(
d, "raqm_version", PyUnicode_FromString(p_raqm.version_string())); d, "raqm_version", PyUnicode_FromString(raqm_version_string()));
} // };
PyDict_SetItemString(d, "HAVE_FRIBIDI", v);
return 0; return 0;
} }

View File

@ -1,156 +0,0 @@
/*
* Copyright © 2015 Information Technology Authority (ITA) <foss@ita.gov.om>
* Copyright © 2016 Khaled Hosny <khaledhosny@eglug.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#ifndef _RAQM_H_
#define _RAQM_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef bool
typedef int bool;
#endif
#ifndef uint32_t
typedef UINT32 uint32_t;
#endif
#include <ft2build.h>
#include FT_FREETYPE_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* raqm_t:
*
* This is the main object holding all state of the currently processed text as
* well as its output.
*
* Since: 0.1
*/
typedef struct _raqm raqm_t;
/**
* raqm_direction_t:
* @RAQM_DIRECTION_DEFAULT: Detect paragraph direction automatically.
* @RAQM_DIRECTION_RTL: Paragraph is mainly right-to-left text.
* @RAQM_DIRECTION_LTR: Paragraph is mainly left-to-right text.
* @RAQM_DIRECTION_TTB: Paragraph is mainly vertical top-to-bottom text.
*
* Base paragraph direction, see raqm_set_par_direction().
*
* Since: 0.1
*/
typedef enum {
RAQM_DIRECTION_DEFAULT,
RAQM_DIRECTION_RTL,
RAQM_DIRECTION_LTR,
RAQM_DIRECTION_TTB
} raqm_direction_t;
/**
* raqm_glyph_t:
* @index: the index of the glyph in the font file.
* @x_advance: the glyph advance width in horizontal text.
* @y_advance: the glyph advance width in vertical text.
* @x_offset: the horizontal movement of the glyph from the current point.
* @y_offset: the vertical movement of the glyph from the current point.
* @cluster: the index of original character in input text.
* @ftface: the @FT_Face of the glyph.
*
* The structure that holds information about output glyphs, returned from
* raqm_get_glyphs().
*/
typedef struct raqm_glyph_t {
unsigned int index;
int x_advance;
int y_advance;
int x_offset;
int y_offset;
uint32_t cluster;
FT_Face ftface;
} raqm_glyph_t;
/**
* version 0.1 of the raqm_glyph_t structure
*/
typedef struct raqm_glyph_t_01 {
unsigned int index;
int x_advance;
int y_advance;
int x_offset;
int y_offset;
uint32_t cluster;
} raqm_glyph_t_01;
raqm_t *
raqm_create(void);
raqm_t *
raqm_reference(raqm_t *rq);
void
raqm_destroy(raqm_t *rq);
bool
raqm_set_text(raqm_t *rq, const uint32_t *text, size_t len);
bool
raqm_set_text_utf8(raqm_t *rq, const char *text, size_t len);
bool
raqm_set_par_direction(raqm_t *rq, raqm_direction_t dir);
bool
raqm_set_language(raqm_t *rq, const char *lang, size_t start, size_t len);
bool
raqm_add_font_feature(raqm_t *rq, const char *feature, int len);
bool
raqm_set_freetype_face(raqm_t *rq, FT_Face face);
bool
raqm_set_freetype_face_range(raqm_t *rq, FT_Face face, size_t start, size_t len);
bool
raqm_set_freetype_load_flags(raqm_t *rq, int flags);
bool
raqm_layout(raqm_t *rq);
raqm_glyph_t *
raqm_get_glyphs(raqm_t *rq, size_t *length);
bool
raqm_index_to_position(raqm_t *rq, size_t *index, int *x, int *y);
bool
raqm_position_to_index(raqm_t *rq, int x, int y, size_t *index);
#ifdef __cplusplus
}
#endif
#endif /* _RAQM_H_ */

68
src/thirdparty/fribidi-shim/fribidi.c vendored Normal file
View File

@ -0,0 +1,68 @@
#ifndef _WIN32
#include <dlfcn.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#endif
#define FRIBIDI_SHIM_IMPLEMENTATION
#include "fribidi.h"
int load_fribidi(void) {
int error = 0;
p_fribidi = NULL;
/* Microsoft needs a totally different system */
#ifndef _WIN32
p_fribidi = dlopen("libfribidi.so.1", RTLD_LAZY);
if (!p_fribidi) {
p_fribidi = dlopen("libfribidi.dylib", RTLD_LAZY);
}
#else
p_fribidi = LoadLibrary("fribidi");
/* MSYS2 */
if (!p_fribidi) {
p_fribidi = LoadLibrary("libfribidi-1");
}
#endif
if (!p_fribidi) {
return 1;
}
#ifndef _WIN32
#define LOAD_FUNCTION(func) \
func = (t_##func)dlsym(p_fribidi, #func); \
error = error || (func == NULL);
#else
#define LOAD_FUNCTION(func) \
func = (t_##func)GetProcAddress(p_fribidi, #func); \
error = error || (func == NULL);
#endif
LOAD_FUNCTION(fribidi_get_bidi_types);
LOAD_FUNCTION(fribidi_get_bracket_types);
LOAD_FUNCTION(fribidi_get_par_embedding_levels_ex);
// LOAD_FUNCTION(fribidi_get_par_embedding_levels);
LOAD_FUNCTION(fribidi_unicode_to_charset);
LOAD_FUNCTION(fribidi_charset_to_unicode);
#ifndef _WIN32
if (dlerror() || error) {
dlclose(p_fribidi);
p_fribidi = NULL;
return 2;
}
#else
if (error) {
FreeLibrary(p_fribidi);
p_fribidi = NULL;
return 2;
}
#endif
return 0;
}

104
src/thirdparty/fribidi-shim/fribidi.h vendored Normal file
View File

@ -0,0 +1,104 @@
/* fribidi-types.h */
# if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
defined (_sgi) || defined (__sun) || defined (sun) || \
defined (__digital__) || defined (__HP_cc)
# include <inttypes.h>
# elif defined (_AIX)
# include <sys/inttypes.h>
# else
# include <stdint.h>
# endif
typedef uint32_t FriBidiChar;
typedef int FriBidiStrIndex;
typedef FriBidiChar FriBidiBracketType;
/* fribidi-char-sets.h */
typedef enum
{
_FRIBIDI_CHAR_SET_NOT_FOUND,
FRIBIDI_CHAR_SET_UTF8,
FRIBIDI_CHAR_SET_CAP_RTL,
FRIBIDI_CHAR_SET_ISO8859_6,
FRIBIDI_CHAR_SET_ISO8859_8,
FRIBIDI_CHAR_SET_CP1255,
FRIBIDI_CHAR_SET_CP1256,
_FRIBIDI_CHAR_SETS_NUM_PLUS_ONE
}
FriBidiCharSet;
/* fribidi-bidi-types.h */
typedef signed char FriBidiLevel;
#define FRIBIDI_TYPE_LTR_VAL 0x00000110L
#define FRIBIDI_TYPE_RTL_VAL 0x00000111L
#define FRIBIDI_TYPE_ON_VAL 0x00000040L
typedef uint32_t FriBidiCharType;
#define FRIBIDI_TYPE_LTR FRIBIDI_TYPE_LTR_VAL
typedef uint32_t FriBidiParType;
#define FRIBIDI_PAR_LTR FRIBIDI_TYPE_LTR_VAL
#define FRIBIDI_PAR_RTL FRIBIDI_TYPE_RTL_VAL
#define FRIBIDI_PAR_ON FRIBIDI_TYPE_ON_VAL
#define FRIBIDI_LEVEL_IS_RTL(lev) ((lev) & 1)
#define FRIBIDI_DIR_TO_LEVEL(dir) ((FriBidiLevel) (FRIBIDI_IS_RTL(dir) ? 1 : 0))
#define FRIBIDI_IS_RTL(p) ((p) & 0x00000001L)
#define FRIBIDI_IS_EXPLICIT_OR_BN_OR_WS(p) ((p) & 0x00901000L)
/* functions */
#ifdef FRIBIDI_SHIM_IMPLEMENTATION
#define FRIBIDI_ENTRY
#else
#define FRIBIDI_ENTRY extern
#endif
#define FRIBIDI_FUNC(ret, name, ...) \
typedef ret (*t_##name) (__VA_ARGS__); \
FRIBIDI_ENTRY t_##name name;
FRIBIDI_FUNC(void, fribidi_get_bidi_types,
const FriBidiChar *, const FriBidiStrIndex, FriBidiCharType *);
FRIBIDI_FUNC(void, fribidi_get_bracket_types,
const FriBidiChar *, const FriBidiStrIndex, const FriBidiCharType *,
FriBidiBracketType *);
FRIBIDI_FUNC(FriBidiLevel, fribidi_get_par_embedding_levels_ex,
const FriBidiCharType *, const FriBidiBracketType *, const FriBidiStrIndex,
FriBidiParType *, FriBidiLevel *);
//FRIBIDI_FUNC(FriBidiLevel, fribidi_get_par_embedding_levels,
// const FriBidiCharType *, const FriBidiStrIndex, FriBidiParType *,
// FriBidiLevel *);
FRIBIDI_FUNC(FriBidiStrIndex, fribidi_unicode_to_charset,
FriBidiCharSet, const FriBidiChar *, FriBidiStrIndex, char *);
FRIBIDI_FUNC(FriBidiStrIndex, fribidi_charset_to_unicode,
FriBidiCharSet, const char *, FriBidiStrIndex, FriBidiChar *);
#undef FRIBIDI_FUNC
/* shim */
FRIBIDI_ENTRY void *p_fribidi;
FRIBIDI_ENTRY int load_fribidi(void);
#undef FRIBIDI_ENTRY

View File

@ -30,15 +30,16 @@
#include <assert.h> #include <assert.h>
#include <string.h> #include <string.h>
#include <fribidi.h> #include "../fribidi-shim/fribidi.h"
#include <hb.h> #include <hb.h>
#include <hb-ft.h> #include <hb-ft.h>
#include "raqm.h" #include "raqm.h"
#if FRIBIDI_MAJOR_VERSION >= 1 //#if FRIBIDI_MAJOR_VERSION >= 1
#define USE_FRIBIDI_EX_API #define USE_FRIBIDI_EX_API
#endif //#endif
/** /**
* SECTION:raqm * SECTION:raqm

View File

@ -296,21 +296,7 @@ deps = {
cmd_nmake(target="clean"), cmd_nmake(target="clean"),
cmd_nmake(target="fribidi"), cmd_nmake(target="fribidi"),
], ],
"headers": [r"lib\*.h"], "bins": [r"*.dll"],
"libs": [r"*.lib"],
},
"libraqm": {
"url": "https://github.com/HOST-Oman/libraqm/archive/v0.7.1.zip",
"filename": "libraqm-0.7.1.zip",
"dir": "libraqm-0.7.1",
"build": [
cmd_copy(r"{winbuild_dir}\raqm.cmake", r"CMakeLists.txt"),
cmd_cmake(),
cmd_nmake(target="clean"),
cmd_nmake(target="libraqm"),
],
"headers": [r"src\*.h"],
"bins": [r"libraqm.dll"],
}, },
} }
@ -511,8 +497,8 @@ if __name__ == "__main__":
verbose = True verbose = True
elif arg == "--no-imagequant": elif arg == "--no-imagequant":
disabled += ["libimagequant"] disabled += ["libimagequant"]
elif arg == "--no-raqm": elif arg == "--no-raqm" or arg == "--no-fribidi":
disabled += ["fribidi", "libraqm"] disabled += ["fribidi"]
elif arg.startswith("--depends="): elif arg.startswith("--depends="):
depends_dir = arg[10:] depends_dir = arg[10:]
elif arg.startswith("--python="): elif arg.startswith("--python="):

View File

@ -93,10 +93,10 @@ fribidi_tab(brackets-type unidata/BidiBrackets.txt)
file(GLOB FRIBIDI_SOURCES lib/*.c) file(GLOB FRIBIDI_SOURCES lib/*.c)
file(GLOB FRIBIDI_HEADERS lib/*.h) file(GLOB FRIBIDI_HEADERS lib/*.h)
add_library(fribidi STATIC add_library(fribidi SHARED
${FRIBIDI_SOURCES} ${FRIBIDI_SOURCES}
${FRIBIDI_HEADERS} ${FRIBIDI_HEADERS}
${FRIBIDI_SOURCES_GENERATED}) ${FRIBIDI_SOURCES_GENERATED})
fribidi_definitions(fribidi) fribidi_definitions(fribidi)
target_compile_definitions(fribidi target_compile_definitions(fribidi
PUBLIC -DFRIBIDI_LIB_STATIC) PUBLIC "-DFRIBIDI_ENTRY=__declspec(dllexport)")