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- added a few more character fallbacks and fixed the StringWidth function
This checked character size without substituting missing characters, resulting in bad return values.
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parent
9f5b0001fe
commit
0200edd392
2 changed files with 61 additions and 15 deletions
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@ -708,6 +708,15 @@ int FFont::GetCharCode(int code, bool needpic) const
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{
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return code;
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}
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// Special handling for the ß which may only exist as lowercase, so for this we need an additional upper -> lower check for all fonts aside from the generic substitution logic.
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if (code == 0x1e9e)
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{
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if (LastChar <= 0xdf && (!needpic || Chars[0xdf - FirstChar].TranslatedPic != nullptr))
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{
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return 0xdf;
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}
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}
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// Use different substitution logic based on the fonts content:
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// In a font which has both upper and lower case, prefer unaccented small characters over capital ones.
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@ -780,23 +789,15 @@ int FFont::GetCharCode(int code, bool needpic) const
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FTexture *FFont::GetChar (int code, int translation, int *const width, bool *redirected) const
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{
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code = GetCharCode(code, false);
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code = GetCharCode(code, true);
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int xmove = SpaceWidth;
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if (code >= 0)
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{
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code -= FirstChar;
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xmove = Chars[code].XMove;
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if (Chars[code].TranslatedPic == nullptr)
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{
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code = GetCharCode(code + FirstChar, true);
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if (code >= 0)
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{
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code -= FirstChar;
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xmove = Chars[code].XMove;
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}
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}
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}
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if (width != nullptr)
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{
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*width = xmove;
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@ -827,8 +828,9 @@ FTexture *FFont::GetChar (int code, int translation, int *const width, bool *red
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int FFont::GetCharWidth (int code) const
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{
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code = GetCharCode(code, false);
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return (code < 0) ? SpaceWidth : Chars[code - FirstChar].XMove;
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code = GetCharCode(code, true);
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if (code >= 0) return Chars[code - FirstChar].XMove;
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return SpaceWidth;
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}
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//==========================================================================
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@ -808,6 +808,7 @@ int stripaccent(int code)
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return 'z';
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if (code == 0x9f) // Latin capital letter Y with diaeresis
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return 'Y';
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if (code == 0xab || code == 0xbb) return '"'; // typographic quotation marks.
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if (code == 0xff) // Latin small letter Y with diaeresis
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return 'y';
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// Every other accented character has the high two bits set.
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@ -857,10 +858,53 @@ int stripaccent(int code)
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static const uint16_t u200map[] = {0xc4, 0xe4, 0xc2, 0xe2, 0xcb, 0xeb, 0xca, 0xea, 0xcf, 0xef, 0xce, 0xee, 0xd6, 0xf6, 0xd4, 0xe4, 'R', 'r', 'R', 'r', 0xdc, 0xfc, 0xdb, 0xfb, 0x15e, 0x15f, 0x162, 0x163};
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return u200map[code - 0x200];
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}
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else if (code == 0x201d)
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else switch (code)
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{
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// Map the typographic upper quotation mark to the generic form
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code = '"';
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case 0x2014:
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return '-'; // long hyphen
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case 0x201c:
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case 0x201d:
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case 0x201e:
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return '"'; // typographic quotation marks
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// Cyrillic characters with equivalents in the Latin alphabet.
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case 0x400:
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return 0xc8;
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case 0x401:
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return 0xcb;
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case 0x405:
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return 'S';
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case 0x406:
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return 'I';
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case 0x407:
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return 0xcf;
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case 0x408:
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return 'J';
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case 0x450:
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return 0xe8;
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case 0x451:
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return 0xeb;
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case 0x455:
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return 's';
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case 0x456:
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return 'i';
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case 0x457:
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return 0xef;
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case 0x458:
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return 'j';
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}
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// skip the rest of Latin characters because none of them are relevant for modern languages.
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