diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 121 |
1 files changed, 102 insertions, 19 deletions
@@ -2,6 +2,7 @@ #include <stdlib.h> #include <stdint.h> #include <math.h> +#include <string.h> #include "bitmap.h" @@ -32,6 +33,17 @@ #define CHAR_SIZE_X 2 //How many pixels should form one ASCII char? #define CHAR_SIZE_Y (2 * CHAR_SIZE_X) +struct prog_param +{ + char *filename; + unsigned int charsize_x; + unsigned int charsize_y; +}; + +struct prog_param parse_args(int argc, char *argv[]); + +void print_help( void ); + const char map[] = {' ', ' ', '.', ',', '`', '-', '~', '"', '*', ':', ';', '<', '!', '/', '?', '%', '&', '=', '$', '#'}; //const char map[] = {' ', '`', '.', ',', ':', ';', '\"', '+', '#', '@'}; @@ -47,6 +59,8 @@ char calc_char(uint8_t _c, uint8_t _min, uint8_t _max); int main(int argc, char *argv[]) { + struct prog_param args = parse_args(argc, argv); + char **ascii_buff; uint8_t b_max = 0x00; @@ -54,13 +68,8 @@ int main(int argc, char *argv[]) struct bitmap_pixel_data bitmap; - if(argc != 3) - { - printf("Usage: %s <input> <output>\n", argv[0]); - return 1; - } - bitmap = bitmap_read(argv[1]); + bitmap = bitmap_read(args.filename); if(bitmap.error) { @@ -70,8 +79,8 @@ int main(int argc, char *argv[]) //Calculate Averages of CHAR_SIZE x CHAR_SIZE blocks unsigned int size_x,size_y; - size_x = bitmap.x / CHAR_SIZE_X; - size_y = bitmap.y / CHAR_SIZE_Y; + size_x = bitmap.x / args.charsize_x; + size_y = bitmap.y / args.charsize_y; DEBUG_PRINTF("Creating ASCII File %u x %u\n", size_x, size_y); @@ -86,20 +95,20 @@ int main(int argc, char *argv[]) { for(int y = 0; y < size_y; y++) { - char b[CHAR_SIZE_X][CHAR_SIZE_Y]; + char b[args.charsize_x][args.charsize_y]; - for(int r = 0; r < CHAR_SIZE_Y; r++) + for(int r = 0; r < args.charsize_y; r++) { - int row = y * CHAR_SIZE_Y + r; - for(int c = 0; c < CHAR_SIZE_X; c++) + int row = y * args.charsize_y + r; + for(int c = 0; c < args.charsize_x; c++) { - int col = x * CHAR_SIZE_X + c; + int col = x * args.charsize_x + c; //b[c][r] = avg(3, (char*)&bitmap_buff[row][col]); b[c][r] = rgb_avg(bitmap.R[col][row],bitmap.G[col][row],bitmap.B[col][row]); } } - ascii_buff[x][y] = avg(CHAR_SIZE_X * CHAR_SIZE_Y, (char*)&b); + ascii_buff[x][y] = avg(args.charsize_x * args.charsize_y, (char*)&b); if((uint8_t)ascii_buff[x][y] < b_min) b_min = ascii_buff[x][y]; @@ -111,23 +120,25 @@ int main(int argc, char *argv[]) DEBUG_PRINTF("Brightness Values: Min: %u Max: %u\n", b_min, b_max); //Write Output - DEBUG_PRINTF("Opening %s for writing.\n", argv[2]); + /*DEBUG_PRINTF("Opening %s for writing.\n", argv[2]); FILE *out = fopen(argv[2], "w"); if(!out) { printf("Error opening output File. Check writing permissions.\n"); return 1; - } + }*/ for(int y = 0; y<size_y; y++) { for(int x = 0; x < size_x; x++) { - fputc( calc_char(ascii_buff[x][y], b_min, b_max) , out); + printf("%c", calc_char(ascii_buff[x][y], b_min, b_max)); + //fputc( calc_char(ascii_buff[x][y], b_min, b_max) , out); } DEBUG_PRINTF("."); - fputc('\n', out); + //fputc('\n', out); + printf("\n"); } DEBUG_PRINTF("\n"); @@ -148,7 +159,7 @@ int main(int argc, char *argv[]) free(bitmap.G); free(bitmap.B); - fclose(out); + //fclose(out); return 0; }//main @@ -181,3 +192,75 @@ char rgb_avg(uint8_t R, uint8_t G, uint8_t B) return ret; } + +struct prog_param parse_args(int argc, char *argv[]) +{ + struct prog_param ret; + + ret.filename = NULL; + ret.charsize_x = CHAR_SIZE_X; + ret.charsize_y = 0; + + for (int i = 1; i < argc; i++) + { + if(argv[i][0] == '-') + { + int icpy = i; + for(int o = 1; o < strlen(argv[icpy]); o++) + { + switch(argv[icpy][o]) + { + case 'h': + print_help(); + exit(1); + break; + case 'x': + DEBUG_PRINTF("x\n"); + i++; + ret.charsize_x = atoi(argv[i]); + break; + case 'y': + DEBUG_PRINTF("y\n"); + i++; + ret.charsize_y = atoi(argv[i]); + break; + default: + printf("Unrecognized Option\n"); + print_help(); + exit(1); + + }; + } + } + else if(ret.filename == NULL) + { + ret.filename = argv[i]; + } + else + { + printf("Wrong number of arguments\n"); + print_help(); + exit(1); + } + } + + if(ret.filename == NULL) + { + printf("No input file.\n"); + print_help(); + exit(1); + } + + if(!ret.charsize_y) + ret.charsize_y = 2 * ret.charsize_x; + + return ret; +} + +void print_help( void ) +{ + printf("ASCIIMap\n(c) 2019 Jonas Gunz, github.com/kompetenzbolzen/AsciiMap\n"); + printf("ASCIIMap prints a ASCII representation of a bitmap image\n\nUsage: [OPTIONS] FILENAME\n"); + printf("Options:\n -h: Print this help message\n -x VAL: set the width of block wich makes up one character. Default: %i\n", CHAR_SIZE_X); + printf(" -y VAL: set the height of block wich makes up one character. Default: 2*x\n\n"); +} |