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	blind-coordinate-field.c - blind - suckless command-line video editing utility
	git clone git://git.suckless.org/blind
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	---
	blind-coordinate-field.c (1446B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #ifndef TYPE
	3 #include "common.h"
	4
	5 USAGE("[-f frames \| -f 'inf'] [-F pixel-format] -w width -h height")
	6
	7 static struct stream stream = { .width = 0, .height = 0, .frames = 1 };
	8 static int inf = 0;
	9
	10 #define FILE "blind-coordinate-field.c"
	11 #include "define-functions.h"
	12
	13 int
	14 main(int argc, char *argv[])
	15 {
	16 char *arg;
	17 const char *pixfmt = "xyza";
	18 void (*process)(void);
	19
	20 ARGBEGIN {
	21 case 'f':
	22 arg = UARGF();
	23 if (!strcmp(arg, "inf"))
	24 inf = 1, stream.frames = 0;
	25 else
	26 stream.frames = etozu_flag('f', arg, 1, SIZE_MAX…
	27 break;
	28 case 'F':
	29 pixfmt = UARGF();
	30 break;
	31 case 'w':
	32 stream.width = etozu_flag('w', UARGF(), 1, SIZE_MAX);
	33 break;
	34 case 'h':
	35 stream.height = etozu_flag('h', UARGF(), 1, SIZE_MAX);
	36 break;
	37 default:
	38 usage();
	39 } ARGEND;
	40
	41 if (!stream.width \|\| !stream.height \|\| argc)
	42 usage();
	43
	44 if (inf)
	45 einf_check_fd(STDOUT_FILENO, "<stdout>");
	46
	47 eset_pixel_format(&stream, pixfmt);
	48 SELECT_PROCESS_FUNCTION(&stream);
	49 CHECK_N_CHAN(&stream, 4, 4);
	50
	51 fprint_stream_head(stdout, &stream);
	52 efflush(stdout, "<stdout>");
	53 process();
	54 return 0;
	55 }
	56
	57 #else
	58
	59 static void
	60 PROCESS(void)
	61 {
	62 TYPE buf[4] = {0, 0, 0, 0};
	63 size_t x, y;
	64 while (inf \|\| stream.frames--) {
	65 for (y = 0; y < stream.height; y++) {
	66 buf[1] = (TYPE)y;
	67 for (x = 0; x < stream.width; x++) {
	68 buf[0] = (TYPE)x;
	69 ewrite(STDOUT_FILENO, buf, sizeof(buf), …
	70 }
	71 }
	72 }
	73 }
	74
	75 #endif