HRESULT create_textlayout(const WCHAR *str, UINT32 len, IDWriteTextFormat *format, IDWriteTextLayout **layout)
{
struct dwrite_textlayout *This;
UINT32 locale_len;
*layout = NULL;
This = heap_alloc(sizeof(struct dwrite_textlayout));
if (!This) return E_OUTOFMEMORY;
This->IDWriteTextLayout_iface.lpVtbl = &dwritetextlayoutvtbl;
This->ref = 1;
This->str = heap_strdupnW(str, len);
This->len = len;
memset(&This->format, 0, sizeof(This->format));
/* reference is not kept here, instead copy all underlying data */
IDWriteTextFormat_GetFontCollection(format, &This->format.collection);
/* locale name and length */
locale_len = IDWriteTextFormat_GetLocaleNameLength(format);
This->format.locale = heap_alloc((locale_len+1)*sizeof(WCHAR));
IDWriteTextFormat_GetLocaleName(format, This->format.locale, locale_len+1);
This->format.locale_len = locale_len;
This->format.weight = IDWriteTextFormat_GetFontWeight(format);
This->format.style = IDWriteTextFormat_GetFontStyle(format);
This->format.stretch = IDWriteTextFormat_GetFontStretch(format);
This->format.size = IDWriteTextFormat_GetFontSize(format);
*layout = &This->IDWriteTextLayout_iface;
return S_OK;
}
HRESULT opentype_get_font_strings_from_id(const void *table_data, DWRITE_INFORMATIONAL_STRING_ID id, IDWriteLocalizedStrings **strings)
{
const TT_NAME_V0 *header;
BYTE *storage_area = 0;
USHORT count = 0;
UINT16 name_id;
BOOL exists;
HRESULT hr;
int i;
if (!table_data)
return E_FAIL;
hr = create_localizedstrings(strings);
if (FAILED(hr)) return hr;
header = table_data;
storage_area = (LPBYTE)table_data + GET_BE_WORD(header->stringOffset);
count = GET_BE_WORD(header->count);
name_id = dwriteid_to_opentypeid[id];
exists = FALSE;
for (i = 0; i < count; i++) {
const TT_NameRecord *record = &header->nameRecord[i];
USHORT lang_id, length, offset, encoding, platform;
if (GET_BE_WORD(record->nameID) != name_id)
continue;
exists = TRUE;
/* Right now only accept unicode and windows encoded fonts */
platform = GET_BE_WORD(record->platformID);
if (platform != OPENTYPE_PLATFORM_UNICODE &&
platform != OPENTYPE_PLATFORM_MAC &&
platform != OPENTYPE_PLATFORM_WIN)
{
FIXME("platform %i not supported\n", platform);
continue;
}
lang_id = GET_BE_WORD(record->languageID);
length = GET_BE_WORD(record->length);
offset = GET_BE_WORD(record->offset);
encoding = GET_BE_WORD(record->encodingID);
if (lang_id < 0x8000) {
WCHAR locale[LOCALE_NAME_MAX_LENGTH];
WCHAR *name_string;
UINT codepage;
codepage = get_name_record_codepage(platform, encoding);
get_name_record_locale(platform, lang_id, locale, sizeof(locale)/sizeof(WCHAR));
if (codepage) {
DWORD len = MultiByteToWideChar(codepage, 0, (LPSTR)(storage_area + offset), length, NULL, 0);
name_string = heap_alloc(sizeof(WCHAR) * (len+1));
MultiByteToWideChar(codepage, 0, (LPSTR)(storage_area + offset), length, name_string, len);
name_string[len] = 0;
}
else {
int i;
length /= sizeof(WCHAR);
name_string = heap_strdupnW((LPWSTR)(storage_area + offset), length);
for (i = 0; i < length; i++)
name_string[i] = GET_BE_WORD(name_string[i]);
}
TRACE("string %s for locale %s found\n", debugstr_w(name_string), debugstr_w(locale));
add_localizedstring(*strings, locale, name_string);
heap_free(name_string);
}
else {
FIXME("handle NAME format 1");
continue;
}
}
if (!exists) {
IDWriteLocalizedStrings_Release(*strings);
*strings = NULL;
}
return hr;
}
