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Add q keyboard shortcut to printvideo.com (#37)

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This commit is contained in:
Justine Tunney 2021-02-03 15:53:33 -08:00
parent 4e56d89dcd
commit 28135b7a20
7 changed files with 33 additions and 24 deletions
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2
ape/ape.S
View file

@ -663,7 +663,7 @@ ape.macho:
.quad 0 # r13
.quad 0 # r14
.quad 0 # r15
.quad _start_xnu # rip
.quad _xnu # rip
.quad 0 # rflags
.quad 0 # cs
.quad 0 # fs

4
libc/bits/likely.h
View file

@ -2,8 +2,8 @@
#define COSMOPOLITAN_LIBC_BITS_LIKELY_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#define likely(expr) __builtin_expect(!!(expr), 1)
#define unlikely(expr) __builtin_expect(!!(expr), 0)
#define LIKELY(expr) __builtin_expect(!!(expr), 1)
#define UNLIKELY(expr) __builtin_expect(!!(expr), 0)
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_BITS_LIKELY_H_ */

5
libc/crt/crt.S
View file

@ -62,7 +62,6 @@ _start: test %rdi,%rdi
/ @param rsp is [n,argv₀..argvₙ₋₁,0,envp₀..,0,auxv₀..,0,..]
/ @note FreeBSD is special (see freebsd/lib/csu/amd64/...)
/ @noreturn
_start_xnu:
movb $XNU,__hostos(%rip)
_xnu: movb $XNU,__hostos(%rip)
jmp 0b
.endfn _start_xnu,weak,hidden
.endfn _xnu,weak,hidden

9
libc/intrin/asan.c
View file

@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/alg/reverse.h"
#include "libc/bits/bits.h"
#include "libc/bits/likely.h"
#include "libc/bits/weaken.h"
#include "libc/calls/calls.h"
#include "libc/dce.h"
@ -321,11 +322,11 @@ static size_t __asan_int2str(int64_t i, char *a) {
return 1 + __asan_uint2str(-i, a);
}
void __asan_poison(uintptr_t p, size_t n, int kind) {
flattenout void __asan_poison(uintptr_t p, size_t n, int kind) {
int k;
char *s;
if (!n) return;
if (p & 7) {
if (UNLIKELY(p & 7)) {
k = MIN(8 - (p & 7), n);
s = SHADOW(p);
if (*s == 0 || *s > (p & 7)) {
@ -343,11 +344,11 @@ void __asan_poison(uintptr_t p, size_t n, int kind) {
}
}
void __asan_unpoison(uintptr_t p, size_t n) {
flattenout void __asan_unpoison(uintptr_t p, size_t n) {
int k;
char *s;
if (!n) return;
if (p & 7) {
if (UNLIKELY(p & 7)) {
k = MIN(8 - (p & 7), n);
s = SHADOW(p);
*s = 0;

5
libc/stubs/xnu.S
View file

@ -19,6 +19,5 @@
#include "libc/macros.h"
.source __FILE__
_start_xnu:
ud2
.endfn _start_xnu,weak
_xnu: ud2
.endfn _xnu,weak

20
libc/unicode/wcwidth.c
View file

@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/likely.h"
#include "libc/unicode/unicode.h"
extern const uint8_t kEastAsianWidth[];
@ -26,15 +27,18 @@ extern const uint32_t kCombiningCharsBits;
/**
* Returns cell width of monospace character.
*/
int wcwidth(wchar_t ucs) {
if (ucs == 0) return 0;
if ((0 <= ucs && ucs < 32) || (0x7f <= ucs && ucs < 0xA0)) {
return -1;
} else if ((0 <= ucs && ucs < kCombiningCharsBits) &&
!!(kCombiningChars[ucs >> 3] & (1 << (ucs & 7)))) {
int wcwidth(wchar_t c) {
if (LIKELY(32 <= c && c < 127)) {
return 1;
} else if (!c) {
return 0;
} else if (0 <= ucs && ucs < kEastAsianWidthBits) {
return 1 + !!(kEastAsianWidth[ucs >> 3] & (1 << (ucs & 7)));
} else if ((0 < c && c < 32) || (0x7f <= c && c < 0xA0)) {
return -1;
} else if ((0 <= c && c < kCombiningCharsBits) &&
!!(kCombiningChars[c >> 3] & (1 << (c & 7)))) {
return 0;
} else if (0 <= c && c < kEastAsianWidthBits) {
return 1 + !!(kEastAsianWidth[c >> 3] & (1 << (c & 7)));
} else {
return 1;
}

12
tool/viz/printvideo.c
View file

@ -127,12 +127,17 @@ Flags & Keyboard Shortcuts:\n\
CTRL+L redraw [keyboard]\n\
CTRL+Z suspend [keyboard]\n\
CTRL+C exit [keyboard]\n\
q quit [keyboard]\n\
\n\
Effects Shortcuts:\n\
\n\
H +Hue ALT+H -Hue\n\
S +Saturation ALT+S -Saturation\n\
L +Lightness ALT+L -Lightness\n\
S Toggle Swing (TV, PC)\n\
Y Toggle Black/White Mode\n\
p Toggle Primaries (BT.601, BT.709)\n\
g +Gamma G -Gamma\n\
l +Illumination L -Illumination\n\
k +LumaKernel K -LumaKernel\n\
j +ChromaKernel J -ChromaKernel\n\
CTRL-G {Unsharp,Sharp}\n\
\n\
Environment Variables:\n\
@ -1018,6 +1023,7 @@ static optimizesize void ReadKeyboard(void) {
chromakernel_ = MOD(sgn + chromakernel_, ARRAYLEN(kMagkern));
memcpy(g_magkern, kMagkern[chromakernel_], sizeof(kMagkern[0]));
break;
case 'q':
case CTRL('C'):
longjmp(jb_, 1);
break;