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gdi32: Factor out the code to call FT_Load_Sfnt_Table.

This commit is contained in:
Huw Davies 2007-10-12 14:06:24 +01:00 committed by Alexandre Julliard
parent b4678b7b10
commit 6ee7182ebb
1 changed files with 60 additions and 43 deletions
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97
dlls/gdi32/freetype.c
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@ -944,6 +944,58 @@ static WCHAR *get_familyname(FT_Face ft_face)
}
/*****************************************************************
* load_sfnt_table
*
* Wrapper around FT_Load_Sfnt_Table to cope with older versions
* of FreeType that don't export this function.
*
*/
static FT_Error load_sfnt_table(FT_Face ft_face, FT_ULong table, FT_Long offset, FT_Byte *buf, FT_ULong *len)
{
FT_Error err;
/* If the FT_Load_Sfnt_Table function is there we'll use it */
if(pFT_Load_Sfnt_Table)
{
err = pFT_Load_Sfnt_Table(ft_face, table, offset, buf, len);
}
#ifdef HAVE_FREETYPE_INTERNAL_SFNT_H
else /* Do it the hard way */
{
TT_Face tt_face = (TT_Face) ft_face;
SFNT_Interface *sfnt;
if (FT_Version.major==2 && FT_Version.minor==0)
{
/* 2.0.x */
sfnt = *(SFNT_Interface**)((char*)tt_face + 528);
}
else
{
/* A field was added in the middle of the structure in 2.1.x */
sfnt = *(SFNT_Interface**)((char*)tt_face + 532);
}
err = sfnt->load_any(tt_face, table, offset, buf, len);
}
#else
else
{
static int msg;
if(!msg)
{
MESSAGE("This version of Wine was compiled with freetype headers later than 2.2.0\n"
"but is being run with a freetype library without the FT_Load_Sfnt_Table function.\n"
"Please upgrade your freetype library.\n");
msg++;
}
err = FT_Err_Unimplemented_Feature;
}
#endif
return err;
}
#define ADDFONT_EXTERNAL_FONT 0x01
#define ADDFONT_FORCE_BITMAP 0x02
static INT AddFontToList(const char *file, void *font_data_ptr, DWORD font_data_size, char *fake_family, const WCHAR *target_family, DWORD flags)
@ -4564,50 +4616,15 @@ DWORD WineEngGetFontData(GdiFont *font, DWORD table, DWORD offset, LPVOID buf,
(table >> 8 & 0xff00) | (table << 8 & 0xff0000);
}
/* If the FT_Load_Sfnt_Table function is there we'll use it */
if(pFT_Load_Sfnt_Table) {
/* make sure value of len is the value freetype says it needs */
if( buf && len) {
if(buf && len)
{
FT_ULong needed = 0;
err = pFT_Load_Sfnt_Table(ft_face, table, offset, NULL, &needed);
err = 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);
}
#ifdef HAVE_FREETYPE_INTERNAL_SFNT_H
else { /* Do it the hard way */
TT_Face tt_face = (TT_Face) ft_face;
SFNT_Interface *sfnt;
if (FT_Version.major==2 && FT_Version.minor==0)
{
/* 2.0.x */
sfnt = *(SFNT_Interface**)((char*)tt_face + 528);
}
else
{
/* A field was added in the middle of the structure in 2.1.x */
sfnt = *(SFNT_Interface**)((char*)tt_face + 532);
}
/* make sure value of len is the value freetype says it needs */
if( buf && len) {
FT_ULong needed = 0;
err = sfnt->load_any(tt_face, table, offset, NULL, &needed);
if( !err && needed < len) len = needed;
}
err = sfnt->load_any(tt_face, table, offset, buf, &len);
}
#else
else {
static int msg;
if(!msg) {
MESSAGE("This version of Wine was compiled with freetype headers later than 2.2.0\n"
"but is being run with a freetype library without the FT_Load_Sfnt_Table function.\n"
"Please upgrade your freetype library.\n");
msg++;
}
err = FT_Err_Unimplemented_Feature;
}
#endif
err = load_sfnt_table(ft_face, table, offset, buf, &len);
if(err) {
TRACE("Can't find table %c%c%c%c\n",
/* bytes were reversed */