Nikolay Sivov : dwrite: Add support for dlng/slng metadata.
Module: wine Branch: master Commit: 0a5747bfa1dfc5f0c4df084fe1d8bad17dce7d05 URL: https://source.winehq.org/git/wine.git/?a=commit;h=0a5747bfa1dfc5f0c4df084fe... Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Mon Jan 27 08:52:48 2020 +0300 dwrite: Add support for dlng/slng metadata. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/dwrite/dwrite_private.h | 2 +- dlls/dwrite/font.c | 6 +- dlls/dwrite/main.c | 11 ++-- dlls/dwrite/opentype.c | 149 ++++++++++++++++++++++++++++++++++++++++--- 4 files changed, 152 insertions(+), 16 deletions(-) diff --git a/dlls/dwrite/dwrite_private.h b/dlls/dwrite/dwrite_private.h index 6adba28280..e5ca5306c2 100644 --- a/dlls/dwrite/dwrite_private.h +++ b/dlls/dwrite/dwrite_private.h @@ -231,7 +231,7 @@ struct dwrite_fontface FONTSIGNATURE fontsig; UINT32 glyph_image_formats; - IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_WEIGHT_STRETCH_STYLE_FAMILY_NAME + 1]; + IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG + 1]; IDWriteLocalizedStrings *family_names; IDWriteLocalizedStrings *names; diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c index 8bcbe11fcb..847070816b 100644 --- a/dlls/dwrite/font.c +++ b/dlls/dwrite/font.c @@ -82,7 +82,7 @@ struct dwrite_font_data struct dwrite_font_propvec propvec; DWRITE_FONT_METRICS1 metrics; - IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_WEIGHT_STRETCH_STYLE_FAMILY_NAME + 1]; + IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG + 1]; IDWriteLocalizedStrings *family_names; IDWriteLocalizedStrings *names; @@ -1291,8 +1291,8 @@ static HRESULT get_font_info_strings(const struct file_stream_desc *stream_desc, *exists = FALSE; *ret = NULL; - if (stringid > DWRITE_INFORMATIONAL_STRING_WEIGHT_STRETCH_STYLE_FAMILY_NAME - || stringid == DWRITE_INFORMATIONAL_STRING_NONE) + if (stringid > DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG + || stringid <= DWRITE_INFORMATIONAL_STRING_NONE) { return S_OK; } diff --git a/dlls/dwrite/main.c b/dlls/dwrite/main.c index 283cccb76c..b940d0d801 100644 --- a/dlls/dwrite/main.c +++ b/dlls/dwrite/main.c @@ -446,10 +446,13 @@ HRESULT add_localizedstring(IDWriteLocalizedStrings *iface, const WCHAR *locale, struct localizedstrings *strings = impl_from_IDWriteLocalizedStrings(iface); size_t i, count = strings->count; - /* make sure there's no duplicates */ - for (i = 0; i < count; i++) - if (!strcmpW(strings->data[i].locale, locale)) - return S_OK; + /* Make sure there's no duplicates, unless it's empty. This is used by dlng/slng entries of 'meta' table. */ + if (*locale) + { + for (i = 0; i < count; i++) + if (!strcmpW(strings->data[i].locale, locale)) + return S_OK; + } if (!dwrite_array_reserve((void **)&strings->data, &strings->size, strings->count + 1, sizeof(*strings->data))) return E_OUTOFMEMORY; diff --git a/dlls/dwrite/opentype.c b/dlls/dwrite/opentype.c index fd420e4360..23d7669eb6 100644 --- a/dlls/dwrite/opentype.c +++ b/dlls/dwrite/opentype.c @@ -46,6 +46,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(dwrite); #define MS_MAXP_TAG DWRITE_MAKE_OPENTYPE_TAG('m','a','x','p') #define MS_CBLC_TAG DWRITE_MAKE_OPENTYPE_TAG('C','B','L','C') #define MS_CMAP_TAG DWRITE_MAKE_OPENTYPE_TAG('c','m','a','p') +#define MS_META_TAG DWRITE_MAKE_OPENTYPE_TAG('m','e','t','a') /* 'sbix' formats */ #define MS_PNG__TAG DWRITE_MAKE_OPENTYPE_TAG('p','n','g',' ') @@ -55,6 +56,10 @@ WINE_DEFAULT_DEBUG_CHANNEL(dwrite); #define MS_WOFF_TAG DWRITE_MAKE_OPENTYPE_TAG('w','O','F','F') #define MS_WOF2_TAG DWRITE_MAKE_OPENTYPE_TAG('w','O','F','2') +/* 'meta' tags */ +#define MS_DLNG_TAG DWRITE_MAKE_OPENTYPE_TAG('d','l','n','g') +#define MS_SLNG_TAG DWRITE_MAKE_OPENTYPE_TAG('s','l','n','g') + #ifdef WORDS_BIGENDIAN #define GET_BE_WORD(x) (x) #define GET_BE_DWORD(x) (x) @@ -1164,6 +1169,22 @@ struct colr_layer_record USHORT palette_index; }; +struct meta_data_map +{ + DWORD tag; + DWORD offset; + DWORD length; +}; + +struct meta_header +{ + DWORD version; + DWORD flags; + DWORD reserved; + DWORD data_maps_count; + struct meta_data_map maps[1]; +}; + static const void *table_read_ensure(const struct dwrite_fonttable *table, unsigned int offset, unsigned int size) { if (size > table->size || offset > table->size - size) @@ -2109,23 +2130,135 @@ static HRESULT opentype_get_font_strings_from_id(const void *table_data, enum OP return exists ? S_OK : E_FAIL; } -/* Provides a conversion from DWRITE to OpenType name ids, input id should be valid, it's not checked. */ -HRESULT opentype_get_font_info_strings(const struct file_stream_desc *stream_desc, DWRITE_INFORMATIONAL_STRING_ID id, - IDWriteLocalizedStrings **strings) +static WCHAR *meta_get_lng_name(WCHAR *str, WCHAR **ctx) { - struct dwrite_fonttable name; + static const WCHAR delimW[] = {',',' ',0}; + WCHAR *ret; + + if (!str) str = *ctx; + while (*str && strchrW(delimW, *str)) str++; + if (!*str) return NULL; + ret = str++; + while (*str && !strchrW(delimW, *str)) str++; + if (*str) *str++ = 0; + *ctx = str; + + return ret; +} + +static HRESULT opentype_get_font_strings_from_meta(const struct file_stream_desc *stream_desc, + DWRITE_INFORMATIONAL_STRING_ID id, IDWriteLocalizedStrings **ret) +{ + static const WCHAR emptyW[] = { 0 }; + const struct meta_data_map *maps; + IDWriteLocalizedStrings *strings; + struct dwrite_fonttable meta; + DWORD version, i, count, tag; HRESULT hr; - opentype_get_font_table(stream_desc, MS_NAME_TAG, &name); + *ret = NULL; - hr = opentype_get_font_strings_from_id(name.data, dwriteid_to_opentypeid[id], strings); + hr = create_localizedstrings(&strings); + if (FAILED(hr)) + return hr; - if (name.context) - IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, name.context); + switch (id) + { + case DWRITE_INFORMATIONAL_STRING_DESIGN_SCRIPT_LANGUAGE_TAG: + tag = MS_DLNG_TAG; + break; + case DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG: + tag = MS_SLNG_TAG; + break; + default: + WARN("Unexpected id %d.\n", id); + return S_OK; + } + + opentype_get_font_table(stream_desc, MS_META_TAG, &meta); + + if (meta.data) + { + version = table_read_be_dword(&meta, 0); + if (version != 1) + { + WARN("Unexpected meta table version %d.\n", version); + goto end; + } + + count = table_read_be_dword(&meta, FIELD_OFFSET(struct meta_header, data_maps_count)); + if (!(maps = table_read_ensure(&meta, FIELD_OFFSET(struct meta_header, maps), + count * sizeof(struct meta_data_map)))) + goto end; + + for (i = 0; i < count; ++i) + { + const char *data; + + if (maps[i].tag == tag && maps[i].length) + { + DWORD length = GET_BE_DWORD(maps[i].length), j; + + if ((data = table_read_ensure(&meta, GET_BE_DWORD(maps[i].offset), length))) + { + WCHAR *ptrW = heap_alloc((length + 1) * sizeof(WCHAR)), *ctx, *token; + + if (!ptrW) + { + hr = E_OUTOFMEMORY; + goto end; + } + + /* Data is stored in comma separated list, ASCII range only. */ + for (j = 0; j < length; ++j) + ptrW[j] = data[j]; + ptrW[length] = 0; + + token = meta_get_lng_name(ptrW, &ctx); + + while (token) + { + add_localizedstring(strings, emptyW, token); + token = meta_get_lng_name(NULL, &ctx); + } + + heap_free(ptrW); + } + } + } +end: + IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, meta.context); + } + + if (IDWriteLocalizedStrings_GetCount(strings)) + *ret = strings; + else + IDWriteLocalizedStrings_Release(strings); return hr; } +HRESULT opentype_get_font_info_strings(const struct file_stream_desc *stream_desc, DWRITE_INFORMATIONAL_STRING_ID id, + IDWriteLocalizedStrings **strings) +{ + struct dwrite_fonttable name; + + switch (id) + { + case DWRITE_INFORMATIONAL_STRING_DESIGN_SCRIPT_LANGUAGE_TAG: + case DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG: + opentype_get_font_strings_from_meta(stream_desc, id, strings); + break; + default: + opentype_get_font_table(stream_desc, MS_NAME_TAG, &name); + opentype_get_font_strings_from_id(name.data, dwriteid_to_opentypeid[id], strings); + if (name.context) + IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, name.context); + } + + return S_OK; +} + /* FamilyName locating order is WWS Family Name -> Preferred Family Name -> Family Name. If font claims to have 'Preferred Family Name' in WWS format, then WWS name is not used. */ HRESULT opentype_get_font_familyname(struct file_stream_desc *stream_desc, IDWriteLocalizedStrings **names)
participants (1)
-
Alexandre Julliard