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45 lines
1010 B
C++
45 lines
1010 B
C++
/*
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* Unicode manipulation functions
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*
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* by WangLu
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* 2012.11.29
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*/
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#ifndef UNICODE_H__
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#define UNICODE_H__
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#include <iostream>
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#include <GfxFont.h>
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#include <CharTypes.h>
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namespace pdf2htmlEX {
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/*
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* Check if the unicode is valid for HTML
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* http://en.wikipedia.org/wiki/HTML_decimal_character_rendering
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*/
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bool isLegalUnicode(Unicode u);
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Unicode map_to_private(CharCode code);
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/* * Try to determine the Unicode value directly from the information in the font */
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Unicode unicode_from_font (CharCode code, GfxFont * font);
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/*
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* We have to use a single Unicode value to reencode fonts
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* if we got multi-unicode values, it might be expanded ligature, try to restore it
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* if we cannot figure it out at the end, use a private mapping
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*/
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Unicode check_unicode(Unicode * u, int len, CharCode code, GfxFont * font);
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/*
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* Escape necessary characters, and map Unicode to UTF-8
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*/
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void outputUnicodes(std::ostream & out, const Unicode * u, int uLen);
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} // namespace pdf2htmlEX
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#endif //UNICODE_H__
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