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Third Party Harfbuzz

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Third Party Harfbuzz

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提交 4b6317c4 编写于 作者: B Behdad Esfahbod
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上级 3361c9a3
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Showing with 82 addition and 119 deletion
src/hb-font-private.hh
浏览文件 @ 4b6317c4
...@@ -41,13 +41,6 @@ HB_BEGIN_DECLS ...@@ -41,13 +41,6 @@ HB_BEGIN_DECLS
* hb_font_funcs_t * hb_font_funcs_t
*/ */
struct _hb_font_funcs_t {
hb_object_header_t header;
hb_bool_t immutable;
/* Don't access these directly. Call hb_font_get_*() instead. */
#define HB_FONT_FUNCS_IMPLEMENT_CALLBACKS \ #define HB_FONT_FUNCS_IMPLEMENT_CALLBACKS \
HB_FONT_FUNC_IMPLEMENT (glyph) \ HB_FONT_FUNC_IMPLEMENT (glyph) \
HB_FONT_FUNC_IMPLEMENT (glyph_h_advance) \ HB_FONT_FUNC_IMPLEMENT (glyph_h_advance) \
...@@ -57,8 +50,15 @@ struct _hb_font_funcs_t { ...@@ -57,8 +50,15 @@ struct _hb_font_funcs_t {
HB_FONT_FUNC_IMPLEMENT (glyph_h_kerning) \ HB_FONT_FUNC_IMPLEMENT (glyph_h_kerning) \
HB_FONT_FUNC_IMPLEMENT (glyph_v_kerning) \ HB_FONT_FUNC_IMPLEMENT (glyph_v_kerning) \
HB_FONT_FUNC_IMPLEMENT (glyph_extents) \ HB_FONT_FUNC_IMPLEMENT (glyph_extents) \
HB_FONT_FUNC_IMPLEMENT (glyph_contour_point) HB_FONT_FUNC_IMPLEMENT (glyph_contour_point) \
/* ^--- Add new callbacks here */
struct _hb_font_funcs_t {
hb_object_header_t header;
hb_bool_t immutable;
/* Don't access these directly. Call hb_font_get_*() instead. */
struct { struct {
#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name; #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name;
......
src/hb-font.cc
浏览文件 @ 4b6317c4
...@@ -236,7 +236,8 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs) ...@@ -236,7 +236,8 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
{ {
if (!hb_object_destroy (ffuncs)) return; if (!hb_object_destroy (ffuncs)) return;
#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) ffuncs->destroy.name (ffuncs->user_data.name); #define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) \
ffuncs->destroy.name (ffuncs->user_data.name);
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT #undef HB_FONT_FUNC_IMPLEMENT
......
src/hb-unicode-private.hh
浏览文件 @ 4b6317c4
...@@ -43,6 +43,14 @@ HB_BEGIN_DECLS ...@@ -43,6 +43,14 @@ HB_BEGIN_DECLS
* hb_unicode_funcs_t * hb_unicode_funcs_t
*/ */
#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS \
HB_UNICODE_FUNC_IMPLEMENT (unsigned int, combining_class, 0) \
HB_UNICODE_FUNC_IMPLEMENT (unsigned int, eastasian_width, 1) \
HB_UNICODE_FUNC_IMPLEMENT (hb_unicode_general_category_t, general_category, HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER) \
HB_UNICODE_FUNC_IMPLEMENT (hb_codepoint_t, mirroring, unicode) \
HB_UNICODE_FUNC_IMPLEMENT (hb_script_t, script, HB_SCRIPT_UNKNOWN) \
/* ^--- Add new callbacks here */
struct _hb_unicode_funcs_t { struct _hb_unicode_funcs_t {
hb_object_header_t header; hb_object_header_t header;
...@@ -50,43 +58,33 @@ struct _hb_unicode_funcs_t { ...@@ -50,43 +58,33 @@ struct _hb_unicode_funcs_t {
bool immutable; bool immutable;
#define IMPLEMENT(return_type, name) \ #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) \
inline return_type \ inline return_type \
get_##name (hb_codepoint_t unicode) \ get_##name (hb_codepoint_t unicode) \
{ return this->get.name (this, unicode, this->user_data.name); } { return this->get.name (this, unicode, this->user_data.name); }
IMPLEMENT (unsigned int, combining_class) HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
IMPLEMENT (unsigned int, eastasian_width)
IMPLEMENT (hb_unicode_general_category_t, general_category)
IMPLEMENT (hb_codepoint_t, mirroring)
IMPLEMENT (hb_script_t, script)
#undef IMPLEMENT #undef HB_UNICODE_FUNC_IMPLEMENT
/* Don't access these directly. Call get_*() instead. */ /* Don't access these directly. Call get_*() instead. */
struct { struct {
hb_unicode_get_combining_class_func_t combining_class; #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) hb_unicode_get_##name##_func_t name;
hb_unicode_get_eastasian_width_func_t eastasian_width; HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
hb_unicode_get_general_category_func_t general_category; #undef HB_UNICODE_FUNC_IMPLEMENT
hb_unicode_get_mirroring_func_t mirroring;
hb_unicode_get_script_func_t script;
} get; } get;
struct { struct {
void *combining_class; #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) void *name;
void *eastasian_width; HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
void *general_category; #undef HB_UNICODE_FUNC_IMPLEMENT
void *mirroring;
void *script;
} user_data; } user_data;
struct { struct {
hb_destroy_func_t combining_class; #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) hb_destroy_func_t name;
hb_destroy_func_t eastasian_width; HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
hb_destroy_func_t general_category; #undef HB_UNICODE_FUNC_IMPLEMENT
hb_destroy_func_t mirroring;
hb_destroy_func_t script;
} destroy; } destroy;
}; };
......
src/hb-unicode.cc
浏览文件 @ 4b6317c4
...@@ -39,45 +39,19 @@ HB_BEGIN_DECLS ...@@ -39,45 +39,19 @@ HB_BEGIN_DECLS
* hb_unicode_funcs_t * hb_unicode_funcs_t
*/ */
static unsigned int #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) \
hb_unicode_get_combining_class_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, \
hb_codepoint_t unicode HB_UNUSED, \
void *user_data HB_UNUSED) static return_type \
{ hb_unicode_get_##name##_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, \
return 0; hb_codepoint_t unicode HB_UNUSED, \
} void *user_data HB_UNUSED) \
{ \
static unsigned int return default_value; \
hb_unicode_get_eastasian_width_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED,
hb_codepoint_t unicode HB_UNUSED,
void *user_data HB_UNUSED)
{
return 1;
} }
static hb_unicode_general_category_t HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
hb_unicode_get_general_category_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED, #undef HB_UNICODE_FUNC_IMPLEMENT
hb_codepoint_t unicode HB_UNUSED,
void *user_data HB_UNUSED)
{
return HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER;
}
static hb_codepoint_t
hb_unicode_get_mirroring_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED,
hb_codepoint_t unicode HB_UNUSED,
void *user_data HB_UNUSED)
{
return unicode;
}
static hb_script_t
hb_unicode_get_script_nil (hb_unicode_funcs_t *ufuncs HB_UNUSED,
hb_codepoint_t unicode HB_UNUSED,
void *user_data HB_UNUSED)
{
return HB_SCRIPT_UNKNOWN;
}
hb_unicode_funcs_t _hb_unicode_funcs_nil = { hb_unicode_funcs_t _hb_unicode_funcs_nil = {
...@@ -86,11 +60,9 @@ hb_unicode_funcs_t _hb_unicode_funcs_nil = { ...@@ -86,11 +60,9 @@ hb_unicode_funcs_t _hb_unicode_funcs_nil = {
NULL, /* parent */ NULL, /* parent */
TRUE, /* immutable */ TRUE, /* immutable */
{ {
hb_unicode_get_combining_class_nil, #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) hb_unicode_get_##name##_nil,
hb_unicode_get_eastasian_width_nil, HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
hb_unicode_get_general_category_nil, #undef HB_UNICODE_FUNC_IMPLEMENT
hb_unicode_get_mirroring_nil,
hb_unicode_get_script_nil,
} }
}; };
...@@ -142,13 +114,10 @@ hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs) ...@@ -142,13 +114,10 @@ hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs)
{ {
if (!hb_object_destroy (ufuncs)) return; if (!hb_object_destroy (ufuncs)) return;
#define DESTROY(name) if (ufuncs->destroy.name) ufuncs->destroy.name (ufuncs->user_data.name) #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) \
DESTROY (combining_class); if (ufuncs->destroy.name) ufuncs->destroy.name (ufuncs->user_data.name);
DESTROY (eastasian_width); HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
DESTROY (general_category); #undef HB_UNICODE_FUNC_IMPLEMENT
DESTROY (mirroring);
DESTROY (script);
#undef DESTROY
hb_unicode_funcs_destroy (ufuncs->parent); hb_unicode_funcs_destroy (ufuncs->parent);
...@@ -194,45 +163,40 @@ hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs) ...@@ -194,45 +163,40 @@ hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs)
} }
#define IMPLEMENT(return_type, name) \ #define HB_UNICODE_FUNC_IMPLEMENT(return_type, name, default_value) \
\ \
void \ void \
hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t *ufuncs, \ hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t *ufuncs, \
hb_unicode_get_##name##_func_t func, \ hb_unicode_get_##name##_func_t func, \
void *user_data, \ void *user_data, \
hb_destroy_func_t destroy) \ hb_destroy_func_t destroy) \
{ \ { \
if (ufuncs->immutable) \ if (ufuncs->immutable) \
return; \ return; \
\ \
if (ufuncs->destroy.name) \ if (ufuncs->destroy.name) \
ufuncs->destroy.name (ufuncs->user_data.name); \ ufuncs->destroy.name (ufuncs->user_data.name); \
\ \
if (func) { \ if (func) { \
ufuncs->get.name = func; \ ufuncs->get.name = func; \
ufuncs->user_data.name = user_data; \ ufuncs->user_data.name = user_data; \
ufuncs->destroy.name = destroy; \ ufuncs->destroy.name = destroy; \
} else { \ } else { \
ufuncs->get.name = ufuncs->parent->get.name; \ ufuncs->get.name = ufuncs->parent->get.name; \
ufuncs->user_data.name = ufuncs->parent->user_data.name; \ ufuncs->user_data.name = ufuncs->parent->user_data.name; \
ufuncs->destroy.name = NULL; \ ufuncs->destroy.name = NULL; \
} \ } \
} \ } \
\ \
return_type \ return_type \
hb_unicode_get_##name (hb_unicode_funcs_t *ufuncs, \ hb_unicode_get_##name (hb_unicode_funcs_t *ufuncs, \
hb_codepoint_t unicode) \ hb_codepoint_t unicode) \
{ \ { \
return ufuncs->get.name (ufuncs, unicode, ufuncs->user_data.name); \ return ufuncs->get.name (ufuncs, unicode, ufuncs->user_data.name); \
} }
IMPLEMENT (unsigned int, combining_class) HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
IMPLEMENT (unsigned int, eastasian_width) #undef HB_UNICODE_FUNC_IMPLEMENT
IMPLEMENT (hb_unicode_general_category_t, general_category)
IMPLEMENT (hb_codepoint_t, mirroring)
IMPLEMENT (hb_script_t, script)
#undef IMPLEMENT
HB_END_DECLS HB_END_DECLS
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