1 | /* |
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2 | * cacaplay caca file player |
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3 | * Copyright (c) 2006 Sam Hocevar <sam@zoy.org> |
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4 | * All Rights Reserved |
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5 | * |
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6 | * $Id: cacaplay.c 2821 2008-09-27 13:12:46Z sam $ |
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7 | * |
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8 | * This program is free software. It comes without any warranty, to |
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9 | * the extent permitted by applicable law. You can redistribute it |
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10 | * and/or modify it under the terms of the Do What The Fuck You Want |
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11 | * To Public License, Version 2, as published by Sam Hocevar. See |
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12 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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13 | */ |
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14 | |
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15 | #include "config.h" |
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16 | |
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17 | #if !defined(__KERNEL__) |
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18 | # include <stdio.h> |
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19 | # include <stdlib.h> |
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20 | # include <sys/types.h> |
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21 | # include <sys/stat.h> |
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22 | # include <fcntl.h> |
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23 | # include <string.h> |
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24 | # include <unistd.h> |
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25 | #endif |
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26 | |
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27 | #include "caca.h" |
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28 | |
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29 | int main(int argc, char **argv) |
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30 | { |
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31 | caca_canvas_t *cv, *app; |
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32 | caca_display_t *dp; |
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33 | uint8_t *buf = NULL; |
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34 | long int bytes = 0, total = 0; |
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35 | int fd; |
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36 | |
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37 | if(argc < 2 || !strcmp(argv[1], "-")) |
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38 | { |
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39 | fd = 0; /* use stdin */ |
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40 | } |
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41 | else |
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42 | { |
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43 | fd = open(argv[1], O_RDONLY); |
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44 | if(fd < 0) |
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45 | { |
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46 | fprintf(stderr, "%s: could not open `%s'.\n", argv[0], argv[1]); |
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47 | return 1; |
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48 | } |
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49 | } |
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50 | |
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51 | cv = caca_create_canvas(0, 0); |
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52 | app = caca_create_canvas(0, 0); |
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53 | if(cv == NULL || app == NULL) |
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54 | { |
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55 | printf("Can't created canvas\n"); |
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56 | return -1; |
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57 | } |
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58 | dp = caca_create_display(cv); |
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59 | if(dp == NULL) |
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60 | { |
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61 | printf("Can't create display\n"); |
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62 | return -1; |
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63 | } |
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64 | |
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65 | |
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66 | for(;;) |
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67 | { |
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68 | caca_event_t ev; |
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69 | int ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0); |
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70 | int eof = 0; |
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71 | |
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72 | if(ret && caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS) |
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73 | break; |
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74 | |
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75 | if(bytes == 0) |
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76 | { |
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77 | ssize_t n; |
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78 | buf = realloc(buf, total + 1); |
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79 | n = read(fd, buf + total, 1); |
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80 | if(n < 0) |
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81 | { |
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82 | fprintf(stderr, "%s: read error\n", argv[0]); |
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83 | return -1; |
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84 | } |
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85 | else if(n == 0) |
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86 | { |
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87 | eof = 1; |
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88 | } |
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89 | total += n; |
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90 | } |
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91 | |
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92 | bytes = caca_import_memory(app, buf, total, "caca"); |
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93 | |
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94 | if(bytes > 0) |
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95 | { |
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96 | total -= bytes; |
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97 | memmove(buf, buf + bytes, total); |
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98 | |
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99 | caca_blit(cv, 0, 0, app, NULL); |
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100 | caca_refresh_display(dp); |
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101 | } |
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102 | else if(bytes < 0) |
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103 | { |
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104 | fprintf(stderr, "%s: corrupted caca file\n", argv[0]); |
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105 | break; |
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106 | } |
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107 | |
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108 | if(eof) |
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109 | break; |
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110 | } |
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111 | |
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112 | caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1); |
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113 | |
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114 | /* Clean up */ |
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115 | close(fd); |
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116 | |
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117 | caca_free_display(dp); |
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118 | caca_free_canvas(cv); |
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119 | |
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120 | return 0; |
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121 | } |
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122 | |
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