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@@ -23,6 +23,12 @@ |
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#include "cucul.h" |
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#include "cucul_internals.h" |
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static const uint16_t ansitab[16] = |
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{ |
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0xf000, 0xf008, 0xf080, 0xf088, 0xf800, 0xf808, 0xf880, 0xf888, |
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0xf444, 0xf44f, 0xf4f4, 0xf4ff, 0xff44, 0xff4f, 0xfff4, 0xffff, |
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}; |
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/* FIXME: could this be inlined? */ |
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uint8_t _cucul_argb32_to_ansi8(uint32_t c) |
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@@ -43,3 +49,25 @@ uint8_t _cucul_argb32_to_ansi4bg(uint32_t c) |
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return (c & 0x000f0000) >> 16; |
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} |
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void _cucul_argb32_to_argb4(uint32_t c, uint8_t argb[8]) |
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{ |
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uint16_t fg = c & 0xffff; |
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uint16_t bg = c >> 16; |
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if(fg < 0x0016) |
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fg = ansitab[fg]; |
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if(bg < 0x0016) |
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bg = ansitab[bg]; |
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argb[0] = bg >> 12; |
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argb[1] = (bg >> 8) & 0xf; |
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argb[2] = (bg >> 4) & 0xf; |
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argb[3] = bg & 0xf; |
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argb[4] = fg >> 12; |
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argb[5] = (fg >> 8) & 0xf; |
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argb[6] = (fg >> 4) & 0xf; |
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argb[7] = fg & 0xf; |
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} |
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