mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 03:27:39 +00:00
7e0a09feec
This change ports APE Loader to Linux AARCH64, so that Raspberry Pi users can run programs like redbean, without the executable needing to modify itself. Progress has also slipped into this change on the issue of making progress better conforming to user expectations and industry standards regarding which symbols we're allowed to declare
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
#ifndef DSP_TTY_QUANT_H_
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#define DSP_TTY_QUANT_H_
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#include "dsp/tty/ttyrgb.h"
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#include "libc/assert.h"
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#include "libc/intrin/bits.h"
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#include "libc/limits.h"
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#include "libc/str/str.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define TL 0
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#define TR 1
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#define BL 2
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#define BR 3
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typedef float ttyrgb_m128 __attribute__((__vector_size__(16), __may_alias__));
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typedef ttyrgb_m128 (*tty2rgbf_f)(struct TtyRgb);
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typedef char *(*setbg_f)(char *, struct TtyRgb);
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typedef char *(*setbgfg_f)(char *, struct TtyRgb, struct TtyRgb);
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typedef char *(*setfg_f)(char *, struct TtyRgb);
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typedef struct TtyRgb (*rgb2tty_f)(int, int, int);
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typedef struct TtyRgb (*rgb2ttyf_f)(ttyrgb_m128);
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typedef struct TtyRgb (*tty2rgb_f)(struct TtyRgb);
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typedef struct TtyRgb ttypalette_t[2][8];
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enum TtyQuantizationAlgorithm {
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kTtyQuantAnsi,
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kTtyQuantTrue,
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kTtyQuantXterm256,
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};
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enum TtyBlocksSelection {
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kTtyBlocksUnicode,
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kTtyBlocksCp437,
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};
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enum TtyQuantizationChannels {
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kTtyQuantGrayscale = 1,
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kTtyQuantRgb = 3,
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};
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struct TtyQuant {
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enum TtyQuantizationAlgorithm alg;
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enum TtyBlocksSelection blocks;
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enum TtyQuantizationChannels chans;
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unsigned min;
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unsigned max;
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setbg_f setbg;
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setfg_f setfg;
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setbgfg_f setbgfg;
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rgb2tty_f rgb2tty;
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rgb2ttyf_f rgb2ttyf;
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tty2rgb_f tty2rgb;
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tty2rgbf_f tty2rgbf;
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const ttypalette_t *palette;
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};
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extern const ttypalette_t kCgaPalette;
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extern const ttypalette_t kXtermPalette;
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extern const ttypalette_t kTangoPalette;
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extern const uint8_t kXtermCubeSteps[6];
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extern double g_xterm256_gamma;
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extern struct TtyRgb g_ansi2rgb_[256];
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extern struct TtyQuant g_ttyquant_;
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extern const uint8_t kXtermXlat[2][256];
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extern const uint8_t kXtermCube[6];
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void ttyquantsetup(enum TtyQuantizationAlgorithm, enum TtyQuantizationChannels,
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enum TtyBlocksSelection);
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extern char *ttyraster(char *, const struct TtyRgb *, size_t, size_t,
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struct TtyRgb, struct TtyRgb);
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#ifndef ttyquant
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#define ttyquant() (&g_ttyquant_)
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#define TTYQUANT() __veil("r", &g_ttyquant_)
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#define rgb2tty(...) (ttyquant()->rgb2tty(__VA_ARGS__))
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#define tty2rgb(...) (ttyquant()->tty2rgb(__VA_ARGS__))
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#define rgb2ttyf(...) (ttyquant()->rgb2ttyf(__VA_ARGS__))
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#define tty2rgbf(...) (ttyquant()->tty2rgbf(__VA_ARGS__))
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#define setbg(...) (ttyquant()->setbg(__VA_ARGS__))
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#define setfg(...) (ttyquant()->setfg(__VA_ARGS__))
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#define setbgfg(...) (ttyquant()->setbgfg(__VA_ARGS__))
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#endif /* ttyquant */
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forceinline bool ttyeq(struct TtyRgb x, struct TtyRgb y) {
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return x.r == y.r && x.g == y.g && x.b == y.b;
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}
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* DSP_TTY_QUANT_H_ */
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