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dwrite: Validate simulation flags and fail face/reference creation. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2016-05-05 14:35:24 +03:00 committed by Alexandre Julliard
parent bda5f57008
commit 890312ccfd
4 changed files with 24 additions and 1 deletions
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6
dlls/dwrite/dwrite_private.h
View File

@ -111,6 +111,12 @@ static inline FLOAT get_scaled_advance_width(INT32 advance, FLOAT emSize, const
return (FLOAT)advance * emSize / (FLOAT)metrics->designUnitsPerEm;
}
static inline BOOL is_simulation_valid(DWRITE_FONT_SIMULATIONS simulations)
{
return (simulations & ~(DWRITE_FONT_SIMULATIONS_NONE | DWRITE_FONT_SIMULATIONS_BOLD |
DWRITE_FONT_SIMULATIONS_OBLIQUE)) == 0;
}
struct gdiinterop
{
IDWriteGdiInterop1 IDWriteGdiInterop1_iface;

3
dlls/dwrite/font.c
View File

@ -5568,6 +5568,9 @@ HRESULT create_fontfacereference(IDWriteFactory3 *factory, IDWriteFontFile *file
*ret = NULL;
if (!is_simulation_valid(simulations))
return E_INVALIDARG;
ref = heap_alloc(sizeof(*ref));
if (!ref)
return E_OUTOFMEMORY;

3
dlls/dwrite/main.c
View File

@ -839,6 +839,9 @@ static HRESULT WINAPI dwritefactory_CreateFontFace(IDWriteFactory3 *iface,
if (req_facetype != DWRITE_FONT_FACE_TYPE_TRUETYPE_COLLECTION && index)
return E_INVALIDARG;
if (!is_simulation_valid(simulations))
return E_INVALIDARG;
/* check actual file/face type */
is_supported = FALSE;
face_type = DWRITE_FONT_FACE_TYPE_UNKNOWN;

13
dlls/dwrite/tests/font.c
View File

@ -1524,6 +1524,13 @@ if (0) /* crashes on native */
ok(face_type == DWRITE_FONT_FACE_TYPE_TRUETYPE, "got %i\n", face_type);
ok(count == 1, "got %i\n", count);
/* invalid simulation flags */
hr = IDWriteFactory_CreateFontFace(factory, DWRITE_FONT_FACE_TYPE_CFF, 1, &file, 0, ~0u, &fontface);
ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
hr = IDWriteFactory_CreateFontFace(factory, DWRITE_FONT_FACE_TYPE_CFF, 1, &file, 0, 0xf, &fontface);
ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
/* try mismatching face type, the one that's not supported */
hr = IDWriteFactory_CreateFontFace(factory, DWRITE_FONT_FACE_TYPE_CFF, 1, &file, 0, DWRITE_FONT_SIMULATIONS_NONE, &fontface);
ok(hr == DWRITE_E_FILEFORMAT, "got 0x%08x\n", hr);
@ -5869,7 +5876,11 @@ static void test_CreateFontFaceReference(void)
hr = IDWriteFactory3_CreateFontFaceReference(factory3, NULL, NULL, 0, DWRITE_FONT_SIMULATIONS_NONE, &ref);
ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
/* test file is not a collection, but reference could still be created */
/* out of range simulation flags */
hr = IDWriteFactory3_CreateFontFaceReference(factory3, path, NULL, 0, ~0u, &ref);
ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
/* test file is not a collection, but reference could still be created with non-zero face index */
hr = IDWriteFactory3_CreateFontFaceReference(factory3, path, NULL, 1, DWRITE_FONT_SIMULATIONS_NONE, &ref);
ok(hr == S_OK, "got 0x%08x\n", hr);