mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 14:16:09 -06:00
290 lines
7.9 KiB
C++
290 lines
7.9 KiB
C++
#include "Draw.h"
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NAMESPACE_UPP
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enum {
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CG_NONE,
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CG_CAPITAL,
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CG_SMALL
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};
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enum {
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CG_GRAVE = 0x60,
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CG_ACUTE = 0xb4,
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CG_CEDILLA = 0xb8,
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CG_MACRON = 175,
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CG_CIRCUMFLEX = 0x2c6,
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CG_TILDE = 0x2dc,
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CG_DOT_ABOVE = 0x2d9,
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CG_OGONEK = 0x2db,
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CG_STROKE = '-',
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CG_BREVE = 0x2d8,
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CG_CARON = 0x2c7,
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CG_MIDDLE_DOT = 0xb7,
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CG_DOUBLE_ACUTE = 0x2dd,
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CG_DIAERESIS = 0xa8,
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CG_RING_ABOVE = 0x2da,
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CG_COMMA_T = ',',
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CG_COMMA_UR = 1,
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CG_COMMA_URI,
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};
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struct CGInfo {
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byte type;
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char ascii;
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wchar mark;
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}
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gc_info[128] = {
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{ CG_CAPITAL, 'A', CG_MACRON },
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{ CG_SMALL, 'a', CG_MACRON },
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{ CG_CAPITAL, 'A', CG_BREVE },
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{ CG_SMALL, 'a', CG_BREVE },
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{ CG_CAPITAL, 'A', CG_OGONEK },
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{ CG_SMALL, 'a', CG_OGONEK },
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{ CG_CAPITAL, 'C', CG_ACUTE },
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{ CG_SMALL, 'c', CG_ACUTE },
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{ CG_CAPITAL, 'C', CG_CIRCUMFLEX },
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{ CG_SMALL, 'c', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'C', CG_DOT_ABOVE },
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{ CG_SMALL, 'c', CG_DOT_ABOVE },
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{ CG_CAPITAL, 'C', CG_CARON },
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{ CG_SMALL, 'c', CG_CARON },
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{ CG_CAPITAL, 'D', CG_CARON },
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{ CG_SMALL, 'd', CG_COMMA_UR },
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{ CG_CAPITAL, 'D', CG_STROKE },
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{ CG_SMALL, 'd', CG_STROKE },
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{ CG_CAPITAL, 'E', CG_MACRON },
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{ CG_SMALL, 'e', CG_MACRON },
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{ CG_CAPITAL, 'E', CG_BREVE },
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{ CG_SMALL, 'e', CG_BREVE },
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{ CG_CAPITAL, 'E', CG_DOT_ABOVE },
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{ CG_SMALL, 'e', CG_DOT_ABOVE },
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{ CG_CAPITAL, 'E', CG_OGONEK },
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{ CG_SMALL, 'e', CG_OGONEK },
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{ CG_CAPITAL, 'E', CG_CARON },
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{ CG_SMALL, 'e', CG_CARON },
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{ CG_CAPITAL, 'G', CG_CIRCUMFLEX },
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{ CG_SMALL, 'g', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'G', CG_BREVE },
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{ CG_SMALL, 'g', CG_BREVE },
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{ CG_CAPITAL, 'G', CG_DOT_ABOVE },
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{ CG_SMALL, 'g', CG_DOT_ABOVE },
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{ CG_CAPITAL, 'G', CG_CEDILLA },
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{ CG_SMALL, 'g', CG_CEDILLA },
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{ CG_CAPITAL, 'H', CG_CIRCUMFLEX },
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{ CG_SMALL, 'h', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'H', CG_STROKE },
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{ CG_SMALL, 'h', CG_STROKE },
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{ CG_CAPITAL, 'I', CG_TILDE },
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{ CG_SMALL, 'i', CG_TILDE },
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{ CG_CAPITAL, 'I', CG_MACRON },
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{ CG_SMALL, 'i', CG_MACRON },
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{ CG_CAPITAL, 'I', CG_BREVE },
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{ CG_SMALL, 'i', CG_BREVE },
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{ CG_CAPITAL, 'I', CG_OGONEK },
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{ CG_SMALL, 'i', CG_OGONEK },
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{ CG_CAPITAL, 'I', CG_DOT_ABOVE },
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{ CG_NONE, 0, 0 }, // , CG_SMALL, 'DOTLESS I
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{ CG_NONE, 0, 0 }, // LATIN CAPITAL LIGATURE IJ
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{ CG_NONE, 0, 0 }, // LATIN SMALL LIGATURE IJ
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{ CG_CAPITAL, 'J', CG_CIRCUMFLEX },
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{ CG_SMALL, 'j', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'K', CG_CEDILLA },
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{ CG_SMALL, 'k', CG_CEDILLA },
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{ CG_NONE, 0, 0 }, // CG_SMALL, 'KRA
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{ CG_CAPITAL, 'L', CG_ACUTE },
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{ CG_SMALL, 'l', CG_ACUTE },
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{ CG_CAPITAL, 'L', CG_CEDILLA },
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{ CG_SMALL, 'l', CG_CEDILLA },
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{ CG_CAPITAL, 'L', CG_COMMA_URI },
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{ CG_SMALL, 'l', CG_COMMA_UR },
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{ CG_CAPITAL, 'L', CG_MIDDLE_DOT },
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{ CG_SMALL, 'l', CG_MIDDLE_DOT },
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{ CG_CAPITAL, 'L', CG_STROKE },
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{ CG_SMALL, 'l', CG_STROKE },
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{ CG_CAPITAL, 'N', CG_ACUTE },
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{ CG_SMALL, 'n', CG_ACUTE },
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{ CG_CAPITAL, 'N', CG_CEDILLA },
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{ CG_SMALL, 'n', CG_CEDILLA },
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{ CG_CAPITAL, 'N', CG_CARON },
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{ CG_SMALL, 'n', CG_CARON },
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{ CG_NONE, 0, 0 }, // CG_SMALL, 'N PRECEDED BY APOSTROPHE
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{ CG_NONE, 0, 0 }, //CG_CAPITAL, 'ENG
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{ CG_NONE, 0, 0 }, //CG_SMALL, 'ENG
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{ CG_CAPITAL, 'O', CG_MACRON },
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{ CG_SMALL, 'o', CG_MACRON },
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{ CG_CAPITAL, 'O', CG_BREVE },
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{ CG_SMALL, 'o', CG_BREVE },
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{ CG_CAPITAL, 'O', CG_DOUBLE_ACUTE },
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{ CG_SMALL, 'o', CG_DOUBLE_ACUTE },
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{ CG_NONE, 0, 0 }, // LATIN CAPITAL LIGATURE OE
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{ CG_NONE, 0, 0 }, // LATIN SMALL LIGATURE OE
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{ CG_CAPITAL, 'R', CG_ACUTE },
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{ CG_SMALL, 'r', CG_ACUTE },
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{ CG_CAPITAL, 'R', CG_CEDILLA },
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{ CG_SMALL, 'r', CG_CEDILLA },
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{ CG_CAPITAL, 'R', CG_CARON },
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{ CG_SMALL, 'r', CG_CARON },
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{ CG_CAPITAL, 'S', CG_ACUTE },
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{ CG_SMALL, 's', CG_ACUTE },
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{ CG_CAPITAL, 'S', CG_CIRCUMFLEX },
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{ CG_SMALL, 's', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'S', CG_CEDILLA },
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{ CG_SMALL, 's', CG_CEDILLA },
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{ CG_CAPITAL, 'S', CG_CARON },
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{ CG_SMALL, 's', CG_CARON },
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{ CG_CAPITAL, 'T', CG_CEDILLA },
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{ CG_SMALL, 't', CG_CEDILLA },
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{ CG_CAPITAL, 'T', CG_CARON },
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{ CG_SMALL, 't', CG_COMMA_T },
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{ CG_CAPITAL, 'T', CG_STROKE },
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{ CG_SMALL, 't', CG_STROKE },
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{ CG_CAPITAL, 'U', CG_TILDE },
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{ CG_SMALL, 'u', CG_TILDE },
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{ CG_CAPITAL, 'U', CG_MACRON },
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{ CG_SMALL, 'u', CG_MACRON },
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{ CG_CAPITAL, 'U', CG_BREVE },
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{ CG_SMALL, 'u', CG_BREVE },
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{ CG_CAPITAL, 'U', CG_RING_ABOVE },
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{ CG_SMALL, 'u', CG_RING_ABOVE },
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{ CG_CAPITAL, 'U', CG_DOUBLE_ACUTE },
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{ CG_SMALL, 'u', CG_DOUBLE_ACUTE },
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{ CG_CAPITAL, 'U', CG_OGONEK },
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{ CG_SMALL, 'u', CG_OGONEK },
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{ CG_CAPITAL, 'W', CG_CIRCUMFLEX },
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{ CG_SMALL, 'w', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'Y', CG_CIRCUMFLEX },
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{ CG_SMALL, 'y', CG_CIRCUMFLEX },
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{ CG_CAPITAL, 'Y', CG_DIAERESIS },
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{ CG_CAPITAL, 'Z', CG_ACUTE },
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{ CG_SMALL, 'z', CG_ACUTE },
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{ CG_CAPITAL, 'Z', CG_DOT_ABOVE },
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{ CG_SMALL, 'z', CG_DOT_ABOVE },
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{ CG_CAPITAL, 'Z', CG_CARON },
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{ CG_SMALL, 'z', CG_CARON },
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{ CG_NONE, 0, 0 } // CG_SMALL, 'LONG S
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};
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bool Compose(Font font, int chr, ComposedGlyph& cg)
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{
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if(chr < 256 || chr > 256 + 128)
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return false;
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CGInfo f = gc_info[chr - 256];
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if(f.type == CG_NONE)
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return false;
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GlyphInfo gi = GetGlyphInfo(font, f.ascii);
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if(!gi.IsNormal())
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return false;
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int cw = gi.width;
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CommonFontInfo fi = GetFontInfo(font);
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gi = GetGlyphInfo(font, f.mark);
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if(!gi.IsNormal())
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return false;
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int mw = gi.width;
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cg.mark_font = font;
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cg.mark_pos.x = cg.mark_pos.y = 0;
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cg.basic_char = f.ascii;
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cg.mark_char = f.mark;
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if(cg.mark_char == CG_COMMA_UR && fi.fixedpitch)
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cg.mark_char = CG_CARON;
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if(cg.mark_char == CG_COMMA_T) {
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cg.mark_pos.y -= 3 * font.GetHeight() / 4;
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cg.mark_pos.x += 4 * cw / 10;
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if(font.IsItalic())
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cg.mark_pos.x += mw / 2;
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}
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else
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if(cg.mark_char == CG_COMMA_UR) {
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cg.mark_pos.y -= 2 * font.GetHeight() / 3;
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cg.mark_pos.x += cw - mw / 4;
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cg.mark_char = ',';
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if(font.IsItalic())
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cg.mark_pos.x += mw / 3;
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}
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else
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if(cg.mark_char == CG_COMMA_URI) {
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cg.mark_pos.y -= 2 * font.GetHeight() / 3;
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cg.mark_pos.x += cw - mw / 2;
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cg.mark_char = ',';
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if(font.IsItalic())
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cg.mark_pos.x += mw / 3;
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}
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else
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if(cg.mark_char != CG_STROKE) {
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if(cg.mark_char != CG_OGONEK && cg.mark_char != CG_CEDILLA && f.type == CG_CAPITAL) {
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cg.mark_font = font(9 * font.GetHeight() / 10);
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mw = GetGlyphInfo(cg.mark_font, f.mark).width;
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cg.mark_pos.y -= cg.mark_char == CG_RING_ABOVE ? font.GetHeight() / 19
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: font.GetHeight() / 10;
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}
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cg.mark_pos.x += (cw - mw) / 2;
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if(font.IsItalic())
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cg.mark_pos.x += mw / 5;
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}
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return true;
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}
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static const char *sFontReplacements[] = {
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"sans-serif",
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"Arial",
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"Arial Unicode MS",
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"Symbol",
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"???????",
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"?????",
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"MS UI Gothic",
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"MS Mincho",
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"Arial",
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"AlArabiya"
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"FreeSerif",
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"Kochi Mincho",
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"Kochi Gothic",
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"Sazanami Mincho",
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"Sazanami Gothic",
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"Gulim",
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"SimSun",
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"PMingLiU",
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};
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struct sFontMetricsReplacement {
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Font src;
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Font dst;
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Font mdst;
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};
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bool Replace(Font fnt, int chr, Font& rfnt)
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{
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static Vector<int> rface;
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ONCELOCK {
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for(int i = 0; i < __countof(sFontReplacements) && rface.GetCount() < 20; i++) {
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int q = Font::FindFaceNameIndex(sFontReplacements[i]);
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if(q > 0)
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rface.Add(q);
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}
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}
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Font f = fnt;
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for(int i = 0; i < rface.GetCount(); i++)
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if(IsNormal(f.Face(rface[i]), chr)) {
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int a = fnt.GetAscent();
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int d = fnt.GetDescent();
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if(f.GetAscent() > a || f.GetDescent() > d) {
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static sFontMetricsReplacement cache[256];
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int q = CombineHash(fnt, f) & 255;
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if(cache[q].src != fnt || cache[q].dst != f) {
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cache[q].src = fnt;
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cache[q].dst = f;
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while((f.GetAscent() > a || f.GetDescent() > d) && f.GetHeight() > 1) {
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f.Height(max(1, min(f.GetHeight() - 1, f.GetHeight() * 9 / 10)));
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}
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cache[q].mdst = f;
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}
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else
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f = cache[q].mdst;
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}
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rfnt = f;
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return true;
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}
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return false;
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}
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END_UPP_NAMESPACE
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