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gdi32: Implement GetFontData as a standard driver entry point.

This commit is contained in:
Alexandre Julliard 2011-10-20 17:58:09 +02:00
parent 441d6cfcd4
commit e31c51b65e
3 changed files with 60 additions and 61 deletions
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8
dlls/gdi32/font.c
View File

@ -2759,13 +2759,13 @@ DWORD WINAPI GetFontData(HDC hdc, DWORD table, DWORD offset,
LPVOID buffer, DWORD length)
{
DC *dc = get_dc_ptr(hdc);
DWORD ret = GDI_ERROR;
PHYSDEV dev;
DWORD ret;
if(!dc) return GDI_ERROR;
if(dc->gdiFont)
ret = WineEngGetFontData(dc->gdiFont, table, offset, buffer, length);
dev = GET_DC_PHYSDEV( dc, pGetFontData );
ret = dev->funcs->pGetFontData( dev, table, offset, buffer, length );
release_dc_ptr( dc );
return ret;
}

110
dlls/gdi32/freetype.c
View File

@ -3440,6 +3440,40 @@ static void free_font(GdiFont *font)
}
static DWORD get_font_data( GdiFont *font, DWORD table, DWORD offset, LPVOID buf, DWORD cbData)
{
FT_Face ft_face = font->ft_face;
FT_ULong len;
FT_Error err;
if (!FT_IS_SFNT(ft_face)) return GDI_ERROR;
if(!buf)
len = 0;
else
len = cbData;
table = RtlUlongByteSwap( table ); /* MS tags differ in endianness from FT ones */
/* make sure value of len is the value freetype says it needs */
if (buf && len)
{
FT_ULong needed = 0;
err = pFT_Load_Sfnt_Table(ft_face, table, offset, NULL, &needed);
if( !err && needed < len) len = needed;
}
err = pFT_Load_Sfnt_Table(ft_face, table, offset, buf, &len);
if (err)
{
TRACE("Can't find table %c%c%c%c\n",
/* bytes were reversed */
HIBYTE(HIWORD(table)), LOBYTE(HIWORD(table)),
HIBYTE(LOWORD(table)), LOBYTE(LOWORD(table)));
return GDI_ERROR;
}
return len;
}
/*************************************************************
* load_VDMX
*
@ -3477,7 +3511,7 @@ static LONG load_VDMX(GdiFont *font, LONG height)
LONG ppem = 0;
int i;
result = WineEngGetFontData(font, MS_VDMX_TAG, 0, hdr, 6);
result = get_font_data(font, MS_VDMX_TAG, 0, hdr, 6);
if(result == GDI_ERROR) /* no vdmx table present, use linear scaling */
return ppem;
@ -3494,7 +3528,7 @@ static LONG load_VDMX(GdiFont *font, LONG height)
Ratios ratio;
offset = (3 * 2) + (i * sizeof(Ratios));
WineEngGetFontData(font, MS_VDMX_TAG, offset, &ratio, sizeof(Ratios));
get_font_data(font, MS_VDMX_TAG, offset, &ratio, sizeof(Ratios));
offset = -1;
TRACE("Ratios[%d] %d %d : %d -> %d\n", i, ratio.bCharSet, ratio.xRatio, ratio.yStartRatio, ratio.yEndRatio);
@ -3507,7 +3541,7 @@ static LONG load_VDMX(GdiFont *font, LONG height)
devYRatio <= ratio.yEndRatio))
{
offset = (3 * 2) + (numRatios * 4) + (i * 2);
WineEngGetFontData(font, MS_VDMX_TAG, offset, &tmp, 2);
get_font_data(font, MS_VDMX_TAG, offset, &tmp, 2);
offset = GET_BE_WORD(tmp);
break;
}
@ -3518,7 +3552,7 @@ static LONG load_VDMX(GdiFont *font, LONG height)
return ppem;
}
if(WineEngGetFontData(font, MS_VDMX_TAG, offset, &group, 4) != GDI_ERROR) {
if(get_font_data(font, MS_VDMX_TAG, offset, &group, 4) != GDI_ERROR) {
USHORT recs;
BYTE startsz, endsz;
WORD *vTable;
@ -3530,7 +3564,7 @@ static LONG load_VDMX(GdiFont *font, LONG height)
TRACE("recs=%d startsz=%d endsz=%d\n", recs, startsz, endsz);
vTable = HeapAlloc(GetProcessHeap(), 0, recs * 6);
result = WineEngGetFontData(font, MS_VDMX_TAG, offset + 4, vTable, recs * 6);
result = get_font_data(font, MS_VDMX_TAG, offset + 4, vTable, recs * 6);
if(result == GDI_ERROR) {
FIXME("Failed to retrieve vTable\n");
goto end;
@ -4217,11 +4251,11 @@ found_face:
if (lf.lfFaceName[0]=='@') /* We need to try to load the GSUB table */
{
int length = WineEngGetFontData (ret, GSUB_TAG , 0, NULL, 0);
int length = get_font_data(ret, GSUB_TAG , 0, NULL, 0);
if (length != GDI_ERROR)
{
ret->GSUB_Table = HeapAlloc(GetProcessHeap(),0,length);
WineEngGetFontData(ret, GSUB_TAG , 0, ret->GSUB_Table, length);
get_font_data(ret, GSUB_TAG , 0, ret->GSUB_Table, length);
TRACE("Loaded GSUB table of %i bytes\n",length);
}
}
@ -6548,50 +6582,23 @@ static BOOL freetype_GetTextExtentExPointI( PHYSDEV dev, const WORD *indices, IN
}
/*************************************************************
* WineEngGetFontData
*
* freetype_GetFontData
*/
DWORD WineEngGetFontData(GdiFont *font, DWORD table, DWORD offset, LPVOID buf,
DWORD cbData)
static DWORD freetype_GetFontData( PHYSDEV dev, DWORD table, DWORD offset, LPVOID buf, DWORD cbData )
{
FT_Face ft_face = font->ft_face;
FT_ULong len;
FT_Error err;
struct freetype_physdev *physdev = get_freetype_dev( dev );
if (!physdev->font)
{
dev = GET_NEXT_PHYSDEV( dev, pGetFontData );
return dev->funcs->pGetFontData( dev, table, offset, buf, cbData );
}
TRACE("font=%p, table=%c%c%c%c, offset=0x%x, buf=%p, cbData=0x%x\n",
font, LOBYTE(LOWORD(table)), HIBYTE(LOWORD(table)),
physdev->font, LOBYTE(LOWORD(table)), HIBYTE(LOWORD(table)),
LOBYTE(HIWORD(table)), HIBYTE(HIWORD(table)), offset, buf, cbData);
if(!FT_IS_SFNT(ft_face))
return GDI_ERROR;
if(!buf)
len = 0;
else
len = cbData;
if(table) { /* MS tags differ in endianness from FT ones */
table = table >> 24 | table << 24 |
(table >> 8 & 0xff00) | (table << 8 & 0xff0000);
}
/* make sure value of len is the value freetype says it needs */
if(buf && len)
{
FT_ULong needed = 0;
err = pFT_Load_Sfnt_Table(ft_face, table, offset, NULL, &needed);
if( !err && needed < len) len = needed;
}
err = pFT_Load_Sfnt_Table(ft_face, table, offset, buf, &len);
if(err) {
TRACE("Can't find table %c%c%c%c\n",
/* bytes were reversed */
HIBYTE(HIWORD(table)), LOBYTE(HIWORD(table)),
HIBYTE(LOWORD(table)), LOBYTE(LOWORD(table)));
return GDI_ERROR;
}
return len;
return get_font_data( physdev->font, table, offset, buf, cbData );
}
/*************************************************************
@ -6963,7 +6970,7 @@ static DWORD freetype_GetKerningPairs( PHYSDEV dev, DWORD cPairs, KERNINGPAIR *k
font->total_kern_pairs = 0;
length = WineEngGetFontData(font, MS_KERN_TAG, 0, NULL, 0);
length = get_font_data(font, MS_KERN_TAG, 0, NULL, 0);
if (length == GDI_ERROR)
{
@ -6980,7 +6987,7 @@ static DWORD freetype_GetKerningPairs( PHYSDEV dev, DWORD cPairs, KERNINGPAIR *k
return 0;
}
WineEngGetFontData(font, MS_KERN_TAG, 0, buf, length);
get_font_data(font, MS_KERN_TAG, 0, buf, length);
/* build a glyph index to char code map */
glyph_to_char = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(USHORT) * 65536);
@ -7132,7 +7139,7 @@ static const struct gdi_dc_funcs freetype_funcs =
freetype_GetCharWidth, /* pGetCharWidth */
NULL, /* pGetDeviceCaps */
NULL, /* pGetDeviceGammaRamp */
NULL, /* pGetFontData */
freetype_GetFontData, /* pGetFontData */
freetype_GetFontUnicodeRanges, /* pGetFontUnicodeRanges */
freetype_GetGlyphIndices, /* pGetGlyphIndices */
freetype_GetGlyphOutline, /* pGetGlyphOutline */
@ -7236,13 +7243,6 @@ BOOL WineEngDestroyFontInstance(HFONT hfont)
return FALSE;
}
DWORD WineEngGetFontData(GdiFont *font, DWORD table, DWORD offset, LPVOID buf,
DWORD cbData)
{
ERR("called but we don't have FreeType\n");
return GDI_ERROR;
}
INT WineEngAddFontResourceEx(LPCWSTR file, DWORD flags, PVOID pdv)
{
FIXME("(%s, %x, %p): stub\n", debugstr_w(file), flags, pdv);

1
dlls/gdi32/gdi_private.h
View File

@ -292,7 +292,6 @@ typedef struct
extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
extern DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;