From faf6417bac0f13079463fe06f2d555d7a1e60b4f Mon Sep 17 00:00:00 2001 From: Sam Hocevar Date: Thu, 16 Mar 2006 12:58:55 +0000 Subject: [PATCH] * Duplicated the conio.h Unicode->CP437 conversion into the VGA driver. * Cosmetic code changes. --- caca/driver_conio.c | 4 --- caca/driver_vga.c | 75 ++++++++++++++++++++++++++++++++++++++++----- 2 files changed, 68 insertions(+), 11 deletions(-) diff --git a/caca/driver_conio.c b/caca/driver_conio.c index 1daad82..afa11ff 100644 --- a/caca/driver_conio.c +++ b/caca/driver_conio.c @@ -190,16 +190,12 @@ static uint8_t conio_utf32_to_cp437(uint32_t c) return c; for(i = 0; i < sizeof(lookup1) / sizeof(*lookup1); i++) - { if(lookup1[i] == c) return 0x01 + i; - } for(i = 0; i < sizeof(lookup2) / sizeof(*lookup2); i++) - { if(lookup2[i] == c) return 0x7f + i; - } return '?'; } diff --git a/caca/driver_vga.c b/caca/driver_vga.c index 6cc3a94..bc27dcc 100644 --- a/caca/driver_vga.c +++ b/caca/driver_vga.c @@ -26,6 +26,8 @@ #include "cucul.h" #include "cucul_internals.h" +static uint8_t vga_utf32_to_cp437(uint32_t); + /* Address of the VGA screen */ #define VGA_SCREEN ((char *)(intptr_t)0x000b8000) @@ -122,13 +124,7 @@ static void vga_display(caca_t *kk) for(n = kk->qq->height * kk->qq->width; n--; ) { - uint32_t c = *chars++; - - if(c > 0x00000020 && c < 0x00000080) - *screen++ = (char)c; - else - *screen++ = ' '; - + *screen++ = vga_utf32_to_cp437(*chars++); *screen++ = *attr++; } } @@ -146,6 +142,71 @@ static unsigned int vga_get_event(caca_t *kk) return CACA_EVENT_NONE; } +/* + * XXX: following functions are local + */ + +static uint8_t vga_utf32_to_cp437(uint32_t c) +{ + static uint32_t const lookup1[] = + { + /* 0x01 - 0x0f: ☺ ☻ ♥ ♦ ♣ ♠ • ◘ ○ ◙ ♂ ♀ ♪ ♫ ☼ */ + 0x263a, 0x263b, 0x2665, 0x2666, 0x2663, 0x2660, 0x2022, + 0x25d8, 0x25cb, 0x25d9, 0x2642, 0x2640, 0x266a, 0x266b, 0x263c, + /* 0x10 - 0x1f: ► ◄ ↕ ‼ ¶ § ▬ ↨ ↑ ↓ → ← ∟ ↔ ▲ ▼ */ + 0x25ba, 0x25c4, 0x2195, 0x203c, 0xb6, 0xa7, 0x25ac, 0x21a8, + 0x2191, 0x2193, 0x2192, 0x2190, 0x221f, 0x2194, 0x25b2, 0x25bc + }; + + static uint32_t const lookup2[] = + { + /* 0x7f: ⌂ */ + 0x2302, + /* 0x80 - 0x8f: Ç ü é â ä à å ç ê ë è ï î ì Ä Å */ + 0xc7, 0xfc, 0xe9, 0xe2, 0xe4, 0xe0, 0xe5, 0xe7, + 0xea, 0xeb, 0xe8, 0xef, 0xee, 0xec, 0xc4, 0xc5, + /* 0x90 - 0x9f: É æ Æ ô ö ò û ù ÿ Ö Ü ¢ £ ¥ ₧ ƒ */ + 0xc9, 0xe6, 0xc6, 0xf4, 0xf6, 0xf2, 0xfb, 0xf9, + 0xff, 0xd6, 0xdc, 0xa2, 0xa3, 0xa5, 0x20a7, 0x192, + /* 0xa0 - 0xaf: á í ó ú ñ Ñ ª º ¿ ⌐ ¬ ½ ¼ ¡ « » */ + 0xe1, 0xed, 0xf3, 0xfa, 0xf1, 0xd1, 0xaa, 0xba, + 0xbf, 0x2310, 0xac, 0xbd, 0xbc, 0xa1, 0xab, 0xbb, + /* 0xb0 - 0xbf: ░ ▒ ▓ │ ┤ ╡ ╢ ╖ ╕ ╣ ║ ╗ ╝ ╜ ╛ ┐ */ + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, + 0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510, + /* 0xc0 - 0xcf: └ ┴ ┬ ├ ─ ┼ ╞ ╟ ╚ ╔ ╩ ╦ ╠ ═ ╬ ╧ */ + 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f, + 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567, + /* 0xd0 - 0xdf: ╨ ╤ ╥ ╙ ╘ ╒ ╓ ╫ ╪ ┘ ┌ █ ▄ ▌ ▐ ▀ */ + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256b, + 0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258c, 0x2590, 0x2580, + /* 0xe0 - 0xef: α ß Γ π Σ σ µ τ Φ Θ Ω δ ∞ φ ε ∩ */ + 0x3b1, 0xdf, 0x393, 0x3c0, 0x3a3, 0x3c3, 0xb5, 0x3c4, + 0x3a6, 0x398, 0x3a9, 0x3b4, 0x221e, 0x3c6, 0x3b5, 0x2229, + /* 0xf0 - 0xff: ≡ ± ≥ ≤ ⌠ ⌡ ÷ ≈ ° ∙ · √ ⁿ ² ■ */ + 0x2261, 0xb1, 0x2265, 0x2264, 0x2320, 0x2321, 0xf7, 0x2248, + 0xb0, 0x2219, 0xb7, 0x221a, 0x207f, 0xb2, 0x25a0, 0xa0 + }; + + unsigned int i; + + if(c < 0x00000020) + return '?'; + + if(c < 0x00000080) + return c; + + for(i = 0; i < sizeof(lookup1) / sizeof(*lookup1); i++) + if(lookup1[i] == c) + return 0x01 + i; + + for(i = 0; i < sizeof(lookup2) / sizeof(*lookup2); i++) + if(lookup2[i] == c) + return 0x7f + i; + + return '?'; +} + /* * Driver initialisation */