Henri Verbeet : usp10: Explicitly check for zero-width control characters in ScriptShapeOpenType ().
Module: wine Branch: master Commit: 721fbf617b06d2ac3ab44ca7074ca9b0862d6426 URL: http://source.winehq.org/git/wine.git/?a=commit;h=721fbf617b06d2ac3ab44ca707...
Author: Henri Verbeet hverbeet@codeweavers.com Date: Mon Feb 13 22:57:13 2017 +0100
usp10: Explicitly check for zero-width control characters in ScriptShapeOpenType().
Signed-off-by: Henri Verbeet hverbeet@codeweavers.com Signed-off-by: Aric Stewart aric@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/usp10/tests/usp10.c | 105 +++++++++++++++++++++++++++++++---------------- dlls/usp10/usp10.c | 20 +++++++-- 2 files changed, 85 insertions(+), 40 deletions(-)
diff --git a/dlls/usp10/tests/usp10.c b/dlls/usp10/tests/usp10.c index b6fc038..2e87d3c 100644 --- a/dlls/usp10/tests/usp10.c +++ b/dlls/usp10/tests/usp10.c @@ -1614,7 +1614,7 @@ static void test_ScriptShape(HDC hdc) SCRIPT_CACHE sc = NULL; WORD glyphs[4], glyphs2[4], logclust[4], glyphs3[4]; SCRIPT_VISATTR attrs[4]; - SCRIPT_ITEM items[2]; + SCRIPT_ITEM items[4]; int nb, i, j;
hr = ScriptItemize(test1, 4, 2, NULL, NULL, items, NULL); @@ -1744,9 +1744,33 @@ static void test_ScriptShape(HDC hdc) for (i = 0; i < 2; i++) { static const WCHAR space[] = {' ', 0}; - static const WCHAR blanks[] = {'\t', '\r', '\n', 0x001c, 0x001d, 0x001e, 0x001f, - 0x200b, 0x200c, 0x200d, 0x200e, 0x200f, /* ZWSP, ZWNJ, ZWJ, LRM, RLM */ - 0x202a, 0x202b, 0x202c, 0x202d, 0x202e, 0}; /* LRE, RLE, PDF, LRO, RLO */ + static const struct + { + WCHAR c; + unsigned int item_count; + unsigned int item; + } + test_data[] = + { + {0x0009, 3, 1}, /* \t */ + {0x000a, 3, 1}, /* \n */ + {0x000d, 3, 1}, /* \r */ + {0x001c, 3, 1}, /* FS */ + {0x001d, 3, 1}, /* GS */ + {0x001e, 3, 1}, /* RS */ + {0x001f, 3, 1}, /* US */ + {0x200b, 1, 0}, /* ZWSP */ + {0x200c, 1, 0}, /* ZWNJ */ + {0x200d, 1, 0}, /* ZWJ */ + {0x200e, 3, 1}, /* LRM */ + {0x200f, 3, 1}, /* RLM */ + {0x202a, 3, 1}, /* LRE */ + {0x202b, 3, 1}, /* RLE */ + {0x202c, 3, 1}, /* PDF */ + {0x202d, 3, 1}, /* LRO */ + {0x202e, 3, 1}, /* RLO */ + }; + WCHAR chars[3]; HFONT font, oldfont = NULL; LOGFONTA lf;
@@ -1765,43 +1789,52 @@ static void test_ScriptShape(HDC hdc) ok(hr == S_OK, "%s: expected S_OK, got %08x\n", lf.lfFaceName, hr); ok(nb == 1, "%s: expected 1, got %d\n", lf.lfFaceName, nb);
- for (j = 0; blanks[j]; j++) + chars[0] = 'A'; + chars[2] = 'A'; + for (j = 0; j < sizeof(test_data) / sizeof(*test_data); ++j) { - hr = ScriptItemize(&blanks[j], 1, 2, NULL, NULL, items, NULL); - ok(hr == S_OK, "%s: [%02x] expected S_OK, got %08x\n", lf.lfFaceName, blanks[j], hr); - - ok(!items[0].a.fNoGlyphIndex, "%s: [%02x] got unexpected fNoGlyphIndex %#x.\n", - lf.lfFaceName, blanks[j], items[0].a.fNoGlyphIndex); - hr = ScriptShape(hdc, &sc, &blanks[j], 1, 1, &items[0].a, glyphs2, logclust, attrs, &nb); - ok(hr == S_OK, "%s: [%02x] expected S_OK, got %08x\n", lf.lfFaceName, blanks[j], hr); - ok(nb == 1, "%s: [%02x] expected 1, got %d\n", lf.lfFaceName, blanks[j], nb); - ok(!items[0].a.fNoGlyphIndex, "%s: [%02x] got unexpected fNoGlyphIndex %#x.\n", - lf.lfFaceName, blanks[j], items[0].a.fNoGlyphIndex); - - ok(glyphs[0] == glyphs2[0] || - broken(glyphs2[0] == blanks[j] && (blanks[j] < 0x10)), - "%s: [%02x] expected %04x, got %04x\n", lf.lfFaceName, blanks[j], glyphs[0], glyphs2[0]); - ok(attrs[0].fZeroWidth || broken(!attrs[0].fZeroWidth && (blanks[j] < 0x10) /* Vista */), - "%s: [%02x] got unexpected fZeroWidth %#x.\n", lf.lfFaceName, blanks[j], attrs[0].fZeroWidth); - - items[0].a.fNoGlyphIndex = 1; - hr = ScriptShape(hdc, &sc, &blanks[j], 1, 1, &items[0].a, glyphs2, logclust, attrs, &nb); - ok(hr == S_OK, "%s: [%02x] expected S_OK, got %08x\n", lf.lfFaceName, blanks[j], hr); - ok(nb == 1, "%s: [%02x] expected 1, got %d\n", lf.lfFaceName, blanks[j], nb); - - if (blanks[j] == 0x200b || blanks[j] == 0x200c || blanks[j] == 0x200d) + WCHAR c = test_data[j].c; + SCRIPT_ITEM *item; + + chars[1] = c; + hr = ScriptItemize(chars, 3, 4, NULL, NULL, items, &nb); + ok(hr == S_OK, "%s: [%02x] expected S_OK, got %08x\n", lf.lfFaceName, c, hr); + todo_wine_if(c == 0x200b) ok(nb == test_data[j].item_count, "%s: [%02x] Got unexpected item count %d.\n", + lf.lfFaceName, c, nb); + item = &items[test_data[j].item]; + + ok(!item->a.fNoGlyphIndex, "%s: [%02x] got unexpected fNoGlyphIndex %#x.\n", + lf.lfFaceName, c, item->a.fNoGlyphIndex); + hr = ScriptShape(hdc, &sc, chars, 3, 3, &item->a, glyphs2, logclust, attrs, &nb); + ok(hr == S_OK, "%s: [%02x] expected S_OK, got %08x\n", lf.lfFaceName, c, hr); + ok(nb == 3, "%s: [%02x] expected 3, got %d\n", lf.lfFaceName, c, nb); + ok(!item->a.fNoGlyphIndex, "%s: [%02x] got unexpected fNoGlyphIndex %#x.\n", + lf.lfFaceName, c, item->a.fNoGlyphIndex); + + ok(glyphs[0] == glyphs2[1] || + broken(glyphs2[1] == c && (c < 0x10)), + "%s: [%02x] expected %04x, got %04x\n", lf.lfFaceName, c, glyphs[0], glyphs2[1]); + ok(attrs[1].fZeroWidth || broken(!attrs[1].fZeroWidth && (c < 0x10) /* Vista */), + "%s: [%02x] got unexpected fZeroWidth %#x.\n", lf.lfFaceName, c, attrs[1].fZeroWidth); + + item->a.fNoGlyphIndex = 1; + hr = ScriptShape(hdc, &sc, chars, 3, 3, &item->a, glyphs2, logclust, attrs, &nb); + ok(hr == S_OK, "%s: [%02x] expected S_OK, got %08x\n", lf.lfFaceName, c, hr); + ok(nb == 3, "%s: [%02x] expected 1, got %d\n", lf.lfFaceName, c, nb); + + if (c == 0x200b || c == 0x200c || c == 0x200d) { - ok(glyphs2[0] == 0x0020, - "%s: [%02x] got unexpected %04x.\n", lf.lfFaceName, blanks[j], glyphs2[0]); - ok(attrs[0].fZeroWidth, "%s: [%02x] got unexpected fZeroWidth %#x.\n", - lf.lfFaceName, blanks[j], attrs[0].fZeroWidth); + ok(glyphs2[1] == 0x0020, + "%s: [%02x] got unexpected %04x.\n", lf.lfFaceName, c, glyphs2[1]); + ok(attrs[1].fZeroWidth, "%s: [%02x] got unexpected fZeroWidth %#x.\n", + lf.lfFaceName, c, attrs[1].fZeroWidth); } else { - ok(glyphs2[0] == blanks[j], - "%s: [%02x] got unexpected %04x.\n", lf.lfFaceName, blanks[j], glyphs2[0]); - ok(!attrs[0].fZeroWidth, "%s: [%02x] got unexpected fZeroWidth %#x.\n", - lf.lfFaceName, blanks[j], attrs[0].fZeroWidth); + ok(glyphs2[1] == c, + "%s: [%02x] got unexpected %04x.\n", lf.lfFaceName, c, glyphs2[1]); + ok(!attrs[1].fZeroWidth, "%s: [%02x] got unexpected fZeroWidth %#x.\n", + lf.lfFaceName, c, attrs[1].fZeroWidth); } } if (oldfont) diff --git a/dlls/usp10/usp10.c b/dlls/usp10/usp10.c index 0471fc6..221aab4 100644 --- a/dlls/usp10/usp10.c +++ b/dlls/usp10/usp10.c @@ -3123,9 +3123,6 @@ HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc, chInput = mirror_char(pwcChars[idx]); else chInput = pwcChars[idx]; - /* special case for tabs */ - if (chInput == 0x0009) - chInput = 0x0020; rChars[i] = chInput; } else @@ -3165,6 +3162,20 @@ HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc, SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust); SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust); SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps); + + for (i = 0; i < cChars; ++i) + { + /* Special case for tabs and joiners. As control characters, ZWNJ + * and ZWJ would in principle get handled by the corresponding + * shaping functions. However, since ZWNJ and ZWJ can get merged + * into adjoining runs during itemisation, these don't generally + * get classified as Script_Control. */ + if (pwcChars[i] == 0x0009 || pwcChars[i] == ZWSP || pwcChars[i] == ZWNJ || pwcChars[i] == ZWJ) + { + pwOutGlyphs[pwLogClust[i]] = ((ScriptCache *)*psc)->sfp.wgBlank; + pOutGlyphProps[pwLogClust[i]].sva.fZeroWidth = 1; + } + } heap_free(rChars); } else @@ -3189,7 +3200,8 @@ HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc, pOutGlyphProps[i].sva.fZeroWidth = 1; } } - else if (psa->eScript == Script_Control) + else if (psa->eScript == Script_Control || pwcChars[idx] == ZWSP + || pwcChars[idx] == ZWNJ || pwcChars[idx] == ZWJ) { if (pwcChars[idx] == 0x0009 || pwcChars[idx] == 0x000A || pwcChars[idx] == 0x000D || pwcChars[idx] >= 0x001C)
-
Alexandre Julliard