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gdi32: Support special 'ttcf' tag in GetFontData().

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2016-08-12 13:14:50 +03:00 committed by Alexandre Julliard
parent cd68821780
commit 7e50116b52
1 changed files with 31 additions and 0 deletions
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31
dlls/gdi32/freetype.c
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@ -210,8 +210,10 @@ MAKE_FUNCPTR(FcPatternGetString);
#ifdef WORDS_BIGENDIAN
#define GET_BE_WORD(x) (x)
#define GET_BE_DWORD(x) (x)
#else
#define GET_BE_WORD(x) RtlUshortByteSwap(x)
#define GET_BE_DWORD(x) RtlUlongByteSwap(x)
#endif
#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
@ -223,6 +225,7 @@ MAKE_FUNCPTR(FcPatternGetString);
#define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
#define MS_GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
#define MS_KERN_TAG MS_MAKE_TAG('k', 'e', 'r', 'n')
#define MS_TTCF_TAG MS_MAKE_TAG('t', 't', 'c', 'f')
#define MS_VDMX_TAG MS_MAKE_TAG('V', 'D', 'M', 'X')
/* 'gasp' flags */
@ -424,6 +427,7 @@ struct tagGdiFont {
GdiFont *base_font;
VOID *GSUB_Table;
const VOID *vert_feature;
ULONG ttc_item_offset; /* 0 if font is not a part of TrueType collection */
DWORD cache_num;
DWORD instance_id;
struct font_fileinfo *fileinfo;
@ -4549,6 +4553,9 @@ static FT_Face OpenFontFace(GdiFont *font, Face *face, LONG width, LONG height)
font->ft_face = ft_face;
if(FT_IS_SCALABLE(ft_face)) {
FT_ULong len;
DWORD header;
/* load the VDMX table if we have one */
font->ppem = load_VDMX(font, height);
if(font->ppem == 0)
@ -4557,6 +4564,20 @@ static FT_Face OpenFontFace(GdiFont *font, Face *face, LONG width, LONG height)
if((err = pFT_Set_Pixel_Sizes(ft_face, 0, font->ppem)) != 0)
WARN("FT_Set_Pixel_Sizes %d, %d rets %x\n", 0, font->ppem, err);
/* see if it's a TTC */
len = sizeof(header);
if (!pFT_Load_Sfnt_Table(ft_face, 0, 0, (void*)&header, &len)) {
if (header == MS_TTCF_TAG)
{
len = sizeof(font->ttc_item_offset);
if (pFT_Load_Sfnt_Table(ft_face, 0, (3 + face->face_index) * sizeof(DWORD),
(void*)&font->ttc_item_offset, &len))
font->ttc_item_offset = 0;
else
font->ttc_item_offset = GET_BE_DWORD(font->ttc_item_offset);
}
}
} else {
font->ppem = height;
if((err = pFT_Set_Pixel_Sizes(ft_face, width, height)) != 0)
@ -4666,6 +4687,16 @@ static DWORD get_font_data( GdiFont *font, DWORD table, DWORD offset, LPVOID buf
else
len = cbData;
/* if font is a member of TTC, 'ttcf' tag allows reading from beginning of TTC file,
0 tag means to read from start of collection member data. */
if (font->ttc_item_offset)
{
if (table == MS_TTCF_TAG)
table = 0;
else if (table == 0)
offset += font->ttc_item_offset;
}
table = RtlUlongByteSwap( table ); /* MS tags differ in endianness from FT ones */
/* make sure value of len is the value freetype says it needs */