textPixel.c (2958B)
1 #! /usr/bin/env sheepy 2 /* or direct path to sheepy: #! /usr/local/bin/sheepy */ 3 4 /* Libsheepy documentation: https://spartatek.se/libsheepy/ */ 5 #include "libsheepyObject.h" 6 7 int argc; char **argv; 8 9 /* enable/disable logging */ 10 /* #undef pLog */ 11 /* #define pLog(...) */ 12 13 typ struct {u16 rows; u16 cols;} winSizet; 14 winSizet wsize (void); 15 u32 text2Color(char *s); 16 17 int main(int ARGC, char** ARGV) { 18 19 argc = ARGC; argv = ARGV; 20 21 initLibsheepy(ARGV[0]); 22 setLogMode(LOG_FUNC); 23 //openProgLogFile(); 24 //setLogSymbols(LOG_UTF8); 25 //disableLibsheepyErrorLogs; 26 27 if (argc < 2) { 28 logE("Image name missing."); 29 logI("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer."); 30 XFAILURE; 31 } 32 33 if (not isPath(argv[1])) { 34 logE("File not found '%s'.", argv[1]); 35 logI("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer."); 36 XFAILURE; 37 } 38 39 i32 width = 0; 40 41 if (argc > 2) { 42 if (argc != 4) { 43 logE("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer."); 44 XFAILURE; 45 } 46 if (not eqG(argv[2], "-w")) { 47 logE("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer."); 48 XFAILURE; 49 } 50 width = parseInt(argv[3]); 51 if (not width) { 52 logE("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer."); 53 XFAILURE; 54 } 55 } 56 57 // find terminal size 58 winSizet sz = wsize(); // window cols 59 60 if (not width) width = sz.cols; 61 62 var r = execOutf("convert %s -resize %d txt:-", argv[1], width); 63 //logG(r); 64 65 // r is a list of pixels like this: 66 // 99,132: (22616,22616,22616) #585858 srgb(88,88,88) 67 68 rune rectangle = 0x2584; 69 char rect[6] = init0Var; 70 bRune2CodeUTF8(rect, rectangle); 71 //printf("%K%k%s"RST, 0xFFFFFF, 0x99BBFF, rect); // print unicode character for 2 pixels 72 73 74 // delete first line (not a pixel) 75 delElemG(&r, 0); 76 77 u64 count = 0; 78 u64 line = 0; 79 bool skip100 = no; 80 var len = lenG(r); 81 // loop on pixels 82 forEachS(r, s) { 83 if (not skip100) { 84 #define bottomPixel (count+ line*(width*2) +width) 85 if (bottomPixel >= len) break; 86 u32 colorUp = text2Color(s); 87 u32 colorDown = text2Color(r[bottomPixel]); 88 printf("%K%k%s"RST, colorUp, colorDown, rect); 89 } 90 count++; 91 if (count == width) { 92 if (not skip100) { 93 //printf("$"); // end of line 94 put; 95 line++; 96 } 97 count = 0; 98 skip100 = skip100 ? no : yes; 99 } 100 } // pixel loop 101 } 102 103 u32 text2Color(char *s) { 104 char *color = findG(s, "#")-1; 105 color[0] = '0'; 106 color[1] = 'x'; 107 char *end = findG(color, " "); 108 *end = 0; 109 //logVarG(color); 110 u32 r = parseHex(color); 111 //printf("%x\n",hexColor); 112 ret r; 113 } 114 115 /* terminal window size */ 116 #include <sys/ioctl.h> 117 #include <unistd.h> 118 119 winSizet wsize (void) 120 { 121 struct winsize w; 122 ioctl(STDOUT_FILENO, TIOCGWINSZ, &w); 123 124 return (winSizet){w.ws_row, w.ws_col}; 125 } 126 127 // vim: set expandtab ts=2 sw=2: