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usp10: Use passed hdc instead of cached one for ScriptTextOut with test to check.

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This commit is contained in:
Guy Albertelli 2008-04-29 00:15:23 -04:00 committed by Alexandre Julliard
parent 0f7bae5af8
commit c0aa44bb6c
2 changed files with 89 additions and 1 deletions
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88
dlls/usp10/tests/usp10.c
View File

@ -526,6 +526,93 @@ static void test_ScriptTextOut(HDC hdc)
}
}
static void test_ScriptTextOut2(HDC hdc)
{
/* Intent is to validate that the HDC passed into ScriptTextOut is
* used instead of the (possibly) invalid cached one
*/
HRESULT hr;
HDC hdc1, hdc2;
int cInChars;
int cMaxItems;
SCRIPT_ITEM pItem[255];
int pcItems;
WCHAR TestItem1[] = {'T', 'e', 's', 't', 'a', 0};
SCRIPT_CACHE psc;
int cChars;
int cMaxGlyphs;
unsigned short pwOutGlyphs1[256];
WORD pwLogClust[256];
SCRIPT_VISATTR psva[256];
int pcGlyphs;
int piAdvance[256];
GOFFSET pGoffset[256];
ABC pABC[256];
/* Create an extra DC that will be used until the ScriptTextOut */
hdc1 = CreateCompatibleDC(hdc);
ok (hdc1 != 0, "CreateCompatibleDC failed to create a DC\n");
hdc2 = CreateCompatibleDC(hdc);
ok (hdc2 != 0, "CreateCompatibleDC failed to create a DC\n");
/* This is a valid test that will cause parsing to take place */
cInChars = 5;
cMaxItems = 255;
hr = ScriptItemize(TestItem1, cInChars, cMaxItems, NULL, NULL, pItem, &pcItems);
ok (hr == 0, "ScriptItemize should return 0, returned %08x\n", hr);
/* This test is for the interim operation of ScriptItemize where only one SCRIPT_ITEM is *
* returned. */
ok (pcItems > 0, "The number of SCRIPT_ITEMS should be greater than 0\n");
if (pcItems > 0)
ok (pItem[0].iCharPos == 0 && pItem[1].iCharPos == cInChars,
"Start pos not = 0 (%d) or end pos not = %d (%d)\n",
pItem[0].iCharPos, cInChars, pItem[1].iCharPos);
/* It would appear that we have a valid SCRIPT_ANALYSIS and can continue
* ie. ScriptItemize has succeeded and that pItem has been set */
cInChars = 5;
cMaxItems = 255;
if (hr == 0) {
psc = NULL; /* must be null on first call */
cChars = cInChars;
cMaxGlyphs = cInChars;
cMaxGlyphs = 256;
hr = ScriptShape(hdc2, &psc, TestItem1, cChars,
cMaxGlyphs, &pItem[0].a,
pwOutGlyphs1, pwLogClust, psva, &pcGlyphs);
ok (hr == 0, "ScriptShape should return 0 not (%08x)\n", hr);
ok (psc != NULL, "psc should not be null and have SCRIPT_CACHE buffer address\n");
ok (pcGlyphs == cChars, "Chars in (%d) should equal Glyphs out (%d)\n", cChars, pcGlyphs);
if (hr ==0) {
/* Note hdc is needed as glyph info is not yet in psc */
hr = ScriptPlace(hdc2, &psc, pwOutGlyphs1, pcGlyphs, psva, &pItem[0].a, piAdvance,
pGoffset, pABC);
ok (hr == 0, "Should return 0 not (%08x)\n", hr);
/* key part!!! cached dc is being deleted */
hr = DeleteDC(hdc2);
ok(hr == 1, "DeleteDC should return 1 not %08x\n", hr);
/* At this point the cached hdc (hdc2) has been destroyed,
* however, we are passing in a *real* hdc (the original hdc).
* The text should be written to that DC
*/
hr = ScriptTextOut(hdc1, &psc, 0, 0, 0, NULL, &pItem[0].a, NULL, 0, pwOutGlyphs1, pcGlyphs,
piAdvance, NULL, pGoffset);
ok (hr == 0, "ScriptTextOut should return 0 not (%08x)\n", hr);
ok (psc != NULL, "psc should not be null and have SCRIPT_CACHE buffer address\n");
DeleteDC(hdc1);
/* Clean up and go */
ScriptFreeCache(&psc);
ok( psc == NULL, "Expected psc to be NULL, got %p\n", psc);
}
}
}
static void test_ScriptXtoX(void)
/****************************************************************************************
* This routine tests the ScriptXtoCP and ScriptCPtoX functions using static variables *
@ -1282,6 +1369,7 @@ START_TEST(usp10)
test_ScriptGetFontProperties(hdc);
test_ScriptTextOut(hdc);
test_ScriptTextOut2(hdc);
test_ScriptXtoX();
test_ScriptString(hdc);
test_ScriptStringXtoCP_CPtoX(hdc);

2
dlls/usp10/usp10.c
View File

@ -1424,7 +1424,7 @@ HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UIN
if (!psa->fNoGlyphIndex) /* Have Glyphs? */
fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
if (!ExtTextOutW(get_cache_hdc(psc), x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
hr = S_FALSE;
unselect_cached_font(psc, hfont);