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Add hb_buffer_add_hxstring

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To properly handle encoding conversions, we need to do it in native
code. This new function performs this role.

This is useful for hxcpp which may have either ascii or utf16 encoding,
but this can only be checked via the native api and it is not possible
on the haxe side.
This commit is contained in:
Tobiasz Laskowski
2025-03-10 02:10:43 +00:00
parent 9f9a5b9f31
commit ca770337cb
3 changed files with 39 additions and 0 deletions
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24
project/src/text/harfbuzz/HarfbuzzBindings.cpp
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@@ -242,6 +242,28 @@ namespace lime {
}
void lime_hb_buffer_add_hxstring(value buffer, HxString text, int itemOffset, int itemLength) {
if (hxs_encoding (text) == hx::StringUtf16) {
hb_buffer_add_utf16 ((hb_buffer_t*)val_data(buffer), (const uint16_t*)text.c_str (), text.length, itemOffset, itemLength);
} else {
hb_buffer_add_utf8 ((hb_buffer_t*)val_data(buffer), text.c_str (), text.length, itemOffset, itemLength);
}
}
HL_PRIM void HL_NAME(hl_hb_buffer_add_hxstring) (HL_CFFIPointer* buffer, hl_vstring* text, int itemOffset, int itemLength) {
hb_buffer_add_utf16 ((hb_buffer_t*)buffer->ptr, text ? (const uint16_t*)text->bytes : NULL, text ? text->length : 0, itemOffset, itemLength);
}
void lime_hb_buffer_add_codepoints (value buffer, double text, int textLength, int itemOffset, int itemLength) {
hb_buffer_add_codepoints ((hb_buffer_t*)val_data (buffer), (const hb_codepoint_t*)(uintptr_t)text, textLength, itemOffset, itemLength);
@@ -2058,6 +2080,7 @@ namespace lime {
DEFINE_PRIME1 (lime_hb_blob_is_immutable);
DEFINE_PRIME1v (lime_hb_blob_make_immutable);
DEFINE_PRIME3v (lime_hb_buffer_add);
DEFINE_PRIME4v (lime_hb_buffer_add_hxstring);
DEFINE_PRIME5v (lime_hb_buffer_add_codepoints);
DEFINE_PRIME4v (lime_hb_buffer_add_utf8);
DEFINE_PRIME5v (lime_hb_buffer_add_utf16);
@@ -2175,6 +2198,7 @@ namespace lime {
DEFINE_HL_PRIM (_BOOL, hl_hb_blob_is_immutable, _TCFFIPOINTER);
DEFINE_HL_PRIM (_VOID, hl_hb_blob_make_immutable, _TCFFIPOINTER);
DEFINE_HL_PRIM (_VOID, hl_hb_buffer_add, _TCFFIPOINTER _I32 _I32);
DEFINE_HL_PRIM (_VOID, hl_hb_buffer_add_hxstring, _TCFFIPOINTER _STRING _I32 _I32);
DEFINE_HL_PRIM (_VOID, hl_hb_buffer_add_codepoints, _TCFFIPOINTER _F64 _I32 _I32 _I32);
DEFINE_HL_PRIM (_VOID, hl_hb_buffer_add_utf8, _TCFFIPOINTER _STRING _I32 _I32);
DEFINE_HL_PRIM (_VOID, hl_hb_buffer_add_utf16, _TCFFIPOINTER _F64 _I32 _I32 _I32);