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dwrite: Handle variation selectors 17-256 in MapCharacters().

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
Nikolay Sivov 2022-08-31 23:34:08 +03:00 committed by Alexandre Julliard
parent f49a30167a
commit 5d9f0be001
2 changed files with 54 additions and 21 deletions
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4
dlls/dwrite/analyzer.c
View file

@ -2374,6 +2374,8 @@ static inline BOOL fallback_is_uvs(const struct text_source_context *context)
if (context->ch >= 0x180b && context->ch <= 0x180d) return TRUE;
/* VARIATION SELECTOR-1..16 */
if (context->ch >= 0xfe00 && context->ch <= 0xfe0f) return TRUE;
/* VARIATION SELECTOR-17..256 */
if (context->ch >= 0xe0100 && context->ch <= 0xe01ef) return TRUE;
return FALSE;
}
@ -2434,7 +2436,7 @@ static HRESULT fallback_map_characters(const struct dwrite_fontfallback *fallbac
/* Find a mapping for given locale. */
text_source_get_next_u32_char(&context);
mapping = find_fallback_mapping(data, locale, context.ch);
mapped = 1;
mapped = text_source_get_char_length(&context);
while (!text_source_get_next_u32_char(&context))
{
if (find_fallback_mapping(data, locale, context.ch) != mapping) break;

71
dlls/dwrite/tests/layout.c
View file

@ -4972,23 +4972,43 @@ static void get_font_name(IDWriteFont *font, WCHAR *name, UINT32 size)
IDWriteFontFamily_Release(family);
}
static void utf32_to_utf16(UINT32 C, WCHAR **ptr)
{
if (C > 0xffff)
{
WCHAR X = (WCHAR)C;
UINT32 U = (C >> 16) & ((1 << 5) - 1);
WCHAR W = (WCHAR)U - 1;
**ptr = 0xD800 | (W << 6) | X >> 10; *ptr += 1;
**ptr = (WCHAR)(0xDC00 | (X & ((1 << 10) - 1))); *ptr += 1;
}
else
{
**ptr = C; *ptr += 1;
}
}
static void test_MapCharacters(void)
{
static const WCHAR str2W[] = {'a',0x3058,'b',0};
static const WCHAR variation_selectors[] =
static const UINT32 variation_selectors[] =
{
0x180b, 0x180c, 0x180d,
0xfe00, 0xfe01, 0xfe02, 0xfe03, 0xfe04, 0xfe05, 0xfe06, 0xfe07,
0xfe08, 0xfe09, 0xfe0a, 0xfe0b, 0xfe0c, 0xfe0d, 0xfe0e, 0xfe0f,
0xe0100, 0xe0121, 0xe01ef,
};
IDWriteFontCollectionLoader *resource_collection_loader;
IDWriteFontFileLoader *resource_loader;
IDWriteFontCollection *collection;
IDWriteLocalizedStrings *strings;
UINT32 mappedlength, vs_length;
IDWriteFontFallback *fallback;
IDWriteFactory2 *factory2;
IDWriteFactory *factory;
UINT32 mappedlength;
IDWriteFont *font;
WCHAR buffW[50];
WCHAR name[64];
@ -4996,6 +5016,7 @@ static void test_MapCharacters(void)
HRSRC hrsrc;
BOOL exists;
FLOAT scale;
WCHAR *ptr;
HRESULT hr;
factory = create_factory();
@ -5155,27 +5176,35 @@ static void test_MapCharacters(void)
{
g_source = buffW;
vs_length = variation_selectors[i] > 0xffff ? 2 : 1;
winetest_push_context("Test %#x", variation_selectors[i]);
/* Selector within supported text. */
font = NULL;
buffW[0] = buffW[2] = 'A';
buffW[1] = variation_selectors[i];
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, 3, collection, L"wine_test",
ptr = buffW;
*ptr = 'A'; ptr++;
utf32_to_utf16(variation_selectors[i], &ptr);
*ptr = 'A';
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, vs_length + 1, collection, L"wine_test",
DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, &mappedlength, &font, &scale);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
ok(mappedlength == 3, "Unexpected mapped length %u.\n", mappedlength);
ok(mappedlength == vs_length + 1, "Unexpected mapped length %u.\n", mappedlength);
get_font_name(font, name, ARRAY_SIZE(name));
ok(!wcscmp(name, L"wine_test"), "Unexpected font %s.\n", debugstr_w(name));
IDWriteFont_Release(font);
/* Only selectors. */
font = NULL;
buffW[0] = variation_selectors[i];
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, 1, collection, L"wine_test",
ptr = buffW;
utf32_to_utf16(variation_selectors[i], &ptr);
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, vs_length, collection, L"wine_test",
DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, &mappedlength, &font, &scale);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
ok(mappedlength == 1, "Unexpected mapped length %u.\n", mappedlength);
ok(mappedlength == vs_length, "Unexpected mapped length %u.\n", mappedlength);
if (variation_selectors[i] < 0xfe00)
{
/* Mongolian selectors belong to Mongolian range, and are mapped to a specific font. */
@ -5190,33 +5219,35 @@ static void test_MapCharacters(void)
/* Leading selector. Only use VS-1..16 so we don't hit a valid mapping range. */
if (variation_selectors[i] >= 0xfe00)
{
buffW[0] = variation_selectors[i];
buffW[1] = variation_selectors[i];
buffW[2] = 'A';
ptr = buffW;
utf32_to_utf16(variation_selectors[i], &ptr);
utf32_to_utf16(variation_selectors[i], &ptr);
*ptr = 'A';
font = (void *)0xdeadbeef;
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, 3, collection, L"wine_test",
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, vs_length * 2 + 1, collection, L"wine_test",
DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, &mappedlength, &font, &scale);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
ok(mappedlength == 2, "Unexpected mapped length %u.\n", mappedlength);
ok(mappedlength == vs_length * 2, "Unexpected mapped length %u.\n", mappedlength);
ok(!font, "Unexpected font instance.\n");
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, 3, NULL, NULL,
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, vs_length * 2 + 1, NULL, NULL,
DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, &mappedlength, &font, &scale);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
ok(mappedlength == 2, "Unexpected mapped length %u.\n", mappedlength);
ok(mappedlength == vs_length * 2, "Unexpected mapped length %u.\n", mappedlength);
ok(!font, "Unexpected font instance.\n");
}
/* Trailing selector. */
buffW[0] = 'A';
buffW[1] = variation_selectors[i];
ptr = buffW;
*ptr = 'A'; ptr++;
utf32_to_utf16(variation_selectors[i], &ptr);
font = (void *)0xdeadbeef;
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, 2, collection, L"wine_test",
hr = IDWriteFontFallback_MapCharacters(fallback, &analysissource, 0, vs_length + 1, collection, L"wine_test",
DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, &mappedlength, &font, &scale);
ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
ok(mappedlength == 2, "Unexpected mapped length %u.\n", mappedlength);
ok(mappedlength == vs_length + 1, "Unexpected mapped length %u.\n", mappedlength);
get_font_name(font, name, ARRAY_SIZE(name));
ok(!wcscmp(name, L"wine_test"), "Unexpected font %s.\n", debugstr_w(name));
IDWriteFont_Release(font);