diff options
| -rw-r--r-- | autistdraw.c | 113 |
1 files changed, 100 insertions, 13 deletions
diff --git a/autistdraw.c b/autistdraw.c index 05fdfd9..18ff297 100644 --- a/autistdraw.c +++ b/autistdraw.c @@ -518,6 +518,8 @@ end: *h = my_h - my_y; } +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + static const char * color_to_ansi (uint8_t color) { @@ -555,6 +557,7 @@ export_ansi (app_context_t *app) if (!fp) { display ("Error opening file for writing."); + beep (); return; } @@ -582,6 +585,8 @@ export_ansi (app_context_t *app) fclose (fp); } +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + enum { MIRC_NONE = -1, @@ -631,6 +636,7 @@ export_irc (app_context_t *app) if (!fp) { display ("Error opening file for writing."); + beep (); return; } @@ -655,6 +661,93 @@ export_irc (app_context_t *app) fclose (fp); } +// --- Loading, saving --------------------------------------------------------- + +static void +load (app_context_t *app) +{ + FILE *fp = fopen ("drawing.bin", "rb"); + if (!fp) + { + display ("Error opening file for reading."); + beep (); + return; + } + + // Client cannot load at all, the server would have send the new bitmap out + if (app->mode != NETWORK_MODE_STANDALONE) + { + display ("Cannot load bitmaps in networked mode."); + beep (); + return; + } + + // Some way of loading/saving is better than no way, let's just do our job. + // The format neither standardised nor effective but it works for us. + // We just eat everything and make sure to not crash. + + int x, y; + size_t w, h; + if (fscanf (fp, "%d %d %zu %zu", &x, &y, &w, &h) != 4) + goto error; + + size_t size = w * h; + uint8_t *bitmap = calloc (size, sizeof *bitmap); + if (!bitmap) + goto error; + + char c; + uint8_t pixel = 0; + bool have_nibble = false; + size_t loaded = 0; + + while (loaded < size && (c = fgetc (fp)) != EOF) + { + static const char digits[] = "0123456789abcdef"; + const char *value = strchr (digits, c); + if (value && c != '\0') + { + pixel = pixel << 4 | (value - digits); + if (have_nibble) + bitmap[loaded++] = pixel; + have_nibble = !have_nibble; + } + } + + free (app->bitmap); + app->bitmap = bitmap; + app->bitmap_h = h; app->bitmap_x = x; + app->bitmap_w = w; app->bitmap_y = y; + redraw_canvas (app); + +error: + fclose (fp); +} + +static void +save (app_context_t *app) +{ + FILE *fp = fopen ("drawing.bin", "wb"); + if (!fp) + { + display ("Error opening file for writing."); + return; + } + + int x = app->bitmap_x, y = app->bitmap_y; + size_t w = app->bitmap_w, h = app->bitmap_h; + fprintf (fp, "%d %d %zu %zu\n", x, y, w, h); + + for (size_t row = 0; row < h; row++) + { + for (size_t column = 0; column < w; column++) + fprintf (fp, "%02x", BITMAP_PIXEL (app, column, row)); + fputc ('\n', fp); + } + + fclose (fp); +} + // --- Event handlers ---------------------------------------------------------- static void @@ -730,19 +823,11 @@ on_key (app_context_t *app, termo_key_t *key) switch (key->code.sym) { - case TERMO_SYM_UP: - move_canvas (app, 0, -1); - break; - case TERMO_SYM_DOWN: - move_canvas (app, 0, 1); - break; - case TERMO_SYM_LEFT: - move_canvas (app, -1, 0); - break; - case TERMO_SYM_RIGHT: - move_canvas (app, 1, 0); - default: - break; + case TERMO_SYM_UP: move_canvas (app, 0, -1); break; + case TERMO_SYM_DOWN: move_canvas (app, 0, 1); break; + case TERMO_SYM_LEFT: move_canvas (app, -1, 0); break; + case TERMO_SYM_RIGHT: move_canvas (app, 1, 0); break; + default: break; } return true; } @@ -756,6 +841,8 @@ on_key (app_context_t *app, termo_key_t *key) if (key->modifiers) return true; + if (key->code.codepoint == 'l') load (app); + if (key->code.codepoint == 's') save (app); if (key->code.codepoint == 'e') export_ansi (app); if (key->code.codepoint == 'E') export_irc (app); return true; |