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gdi32: Use vertical orientation table to determine rotation.

oldstable
Aric Stewart 2013-11-15 10:37:45 -06:00 committed by Alexandre Julliard
parent 742cde4fab
commit ff0717d004
1 changed files with 5 additions and 45 deletions
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50
dlls/gdi32/freetype.c
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@ -6139,54 +6139,15 @@ static inline BYTE get_max_level( UINT format )
return 255;
}
static const struct { WCHAR lower; WCHAR upper;} unrotate_ranges[] =
{
{0x0000, 0x10FF},
/* Hangul Jamo */
{0x1200, 0x17FF},
/* Mongolian */
{0x18B0, 0x1FFF},
/* General Punctuation */
{0x2070, 0x209F},
/* Currency Symbols */
/* Combining Diacritical Marks for Symbols */
/* Letterlike Symbols */
{0x2150, 0x245F},
/* Enclosed Alphanumerics */
{0x2500, 0x259F},
/* Geometric Shapes */
/* Miscellaneous Symbols */
/* Dingbats */
/* Miscellaneous Mathematical Symbols-A */
/* Supplemental Arrows-A */
{0x2800, 0x2E7F},
/* East Asian scripts and symbols */
{0xA000, 0xABFF},
/* Hangul Syllables */
/* Hangul Jamo Extended-B */
{0xD800, 0xDFFF},
/* Private Use Area */
/* CJK Compatibility Ideographs */
{0xFB00, 0xFE0F},
/* Vertical Forms */
/* Combining Half Marks */
/* CJK Compatibility Forms */
{0xFE50, 0xFEFF},
/* Halfwidth and Fullwidth Forms */
{0xFFEF, 0xFFFF},
};
extern const unsigned short vertical_orientation_table[];
static BOOL check_unicode_tategaki(WCHAR uchar)
{
int i;
for (i = 0 ;; i++)
{
if (uchar < unrotate_ranges[i].lower)
return TRUE;
unsigned short orientation = vertical_orientation_table[vertical_orientation_table[vertical_orientation_table[uchar >> 8]+((uchar >> 4) & 0x0f)]+ (uchar & 0xf)];
if (uchar >= unrotate_ranges[i].lower && uchar <= unrotate_ranges[i].upper)
return FALSE;
}
/* We only reach this code if typographical substitution did not occur */
/* Type: U or Type: Tu */
return (orientation == 1 || orientation == 3);
}
static const BYTE masks[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
@ -6238,7 +6199,6 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
get_glyph_index_linked(incoming_font, glyph, &font, &glyph_index, &vert);
ft_face = font->ft_face;
original_index = glyph_index;
/* We know what unicode ranges get rotated */
if (!vert && tategaki)
tategaki = check_unicode_tategaki(glyph);
}