forked from enlightenment/efl
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
#ifndef _EVAS_FONT_PRIVATE_H
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# define _EVAS_FONT_PRIVATE_H
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#include "evas_font_ot.h"
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extern LK(lock_font_draw); // for freetype2 API calls
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extern LK(lock_bidi); // for fribidi API calls
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extern LK(lock_ot); // for harfbuzz calls
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# define FTLOCK() LKL(lock_font_draw)
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# define FTUNLOCK() LKU(lock_font_draw)
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# define BIDILOCK() LKL(lock_bidi)
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# define BIDIUNLOCK() LKU(lock_bidi)
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/* Macros for text walking */
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# define OTLOCK() LKL(lock_ot)
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# define OTUNLOCK() LKU(lock_ot)
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void evas_common_font_source_unload(RGBA_Font_Source *fs);
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void evas_common_font_source_reload(RGBA_Font_Source *fs);
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void evas_common_font_int_promote(RGBA_Font_Int *fi);
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void evas_common_font_int_use_increase(int size);
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void evas_common_font_int_use_trim(void);
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void evas_common_font_int_unload(RGBA_Font_Int *fi);
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void evas_common_font_int_reload(RGBA_Font_Int *fi);
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/* 6th bit is on is the same as frac part >= 0.5 */
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# define EVAS_FONT_ROUND_26_6_TO_INT(x) \
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(((x + 0x20) & -0x40) >> 6)
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# define EVAS_FONT_CHARACTER_IS_INVISIBLE(x) ( \
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((0x200C <= (x)) && ((x) <= 0x200D)) || /* ZWNJ..ZWH */ \
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((0x200E <= (x)) && ((x) <= 0x200F)) || /* BIDI stuff */ \
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((0x202A <= (x)) && ((x) <= 0x202E)) /* BIDI stuff */ \
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)
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# if 1
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// do proper round (up or down like 1.4 -> 1 and 1.6 -> 2 etc
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# define FONT_METRIC_CONV(val, dv, scale) \
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(((long long)((val) * (scale)) + (long long)((dv) * (dv) / 2LL)) \
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/ (long long)((dv) * (dv)))
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# define FONT_METRIC_ROUNDUP(val) \
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(((val) + 31) >> 6)
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# else
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// truncate/round down
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# define FONT_METRIC_CONV(val, dv, scale) \
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(((val) * (scale)) / ((dv) * (dv)))
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# define FONT_METRIC_ROUNDUP(val) \
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((val) >> 6)
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# endif
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# include "evas_font_default_walk.x"
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#endif /* !_EVAS_FONT_PRIVATE_H */
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