terom@2: #include "lib/pngtile.h"
terom@2: #include "shared/log.h"
terom@2: 
terom@2: #include <getopt.h>
terom@2: #include <stdio.h>
terom@2: #include <stdbool.h>
terom@2: 
terom@2: /**
terom@2:  * Command-line options
terom@2:  */
terom@2: static const struct option options[] = {
terom@6:     { "help",           false,  NULL,   'h' },
terom@6:     { "quiet",          false,  NULL,   'q' },
terom@6:     { "verbose",        false,  NULL,   'v' },
terom@6:     { "debug",          false,  NULL,   'D' },
terom@6:     { "force-update",   false,  NULL,   'U' },
terom@9:     { "width",          true,   NULL,   'W' },
terom@9:     { "height",         true,   NULL,   'H' },
terom@9:     { "x",              true,   NULL,   'x' },
terom@9:     { "y",              true,   NULL,   'y' },
terom@6:     { 0,                0,      0,      0   }
terom@2: };
terom@2: 
terom@2: /**
terom@2:  * Print usage/help info on stderr
terom@2:  */
terom@2: void help (const char *argv0)
terom@2: {
terom@2:     fprintf(stderr, "Usage: %s [options] <image> [...]\n", argv0);
terom@2:     fprintf(stderr,
terom@2:         "XXX: Process some image files.\n"
terom@2:         "\n"
terom@2:         "\t-h, --help           show this help and exit\n"
terom@2:         "\t-q, --quiet          supress informational output\n"
terom@2:         "\t-v, --verbose        display more informational output\n"
terom@2:         "\t-D, --debug          equivalent to -v\n"
terom@6:         "\t-U, --force-update   unconditionally update image caches\n"
terom@9:         "\t-W, --width          set tile width\n"
terom@9:         "\t-H, --height         set tile height\n"
terom@9:         "\t-x, --x              set tile x offset\n"
terom@9:         "\t-y, --y              set tile z offset\n"
terom@2:     );
terom@2: }
terom@2: 
terom@2: int main (int argc, char **argv)
terom@2: {
terom@2:     int opt;
terom@6:     bool force_update = false;
terom@9:     struct pt_tile_info ti = {0, 0, 0, 0};
terom@2:     
terom@2:     // parse arguments
terom@9:     while ((opt = getopt_long(argc, argv, "hqvDUW:H:x:y:", options, NULL)) != -1) {
terom@2:         switch (opt) {
terom@2:             case 'h':
terom@2:                 // display help
terom@2:                 help(argv[0]);
terom@2:                 
terom@2:                 return EXIT_SUCCESS;
terom@2: 
terom@2:             case 'q':
terom@2:                 // supress excess log output
terom@2:                 set_log_level(LOG_WARN);
terom@2: 
terom@2:                 break;
terom@2: 
terom@2:             case 'v':
terom@2:             case 'D':
terom@2:                 // display additional output
terom@2:                 set_log_level(LOG_DEBUG);
terom@2: 
terom@2:                 break;
terom@6:             
terom@6:             case 'U':
terom@6:                 // force update of image caches
terom@6:                 force_update = true;
terom@6:                 
terom@6:                 break;
terom@2: 
terom@9:             case 'W':
terom@9:                 ti.width = strtol(optarg, NULL, 0); break;
terom@9: 
terom@9:             case 'H':
terom@9:                 ti.height = strtol(optarg, NULL, 0); break;
terom@9: 
terom@9:             case 'x':
terom@9:                 ti.x = strtol(optarg, NULL, 0); break;
terom@9: 
terom@9:             case 'y':
terom@9:                 ti.y = strtol(optarg, NULL, 0); break;
terom@9: 
terom@2:             case '?':
terom@2:                 // useage error
terom@2:                 help(argv[0]);
terom@2: 
terom@2:                 return EXIT_FAILURE;
terom@2: 
terom@2:             default:
terom@2:                 // getopt???
terom@2:                 FATAL("getopt_long returned unknown code %d", opt);
terom@2:         }
terom@2:     }
terom@2:     
terom@2:     // end-of-arguments?
terom@2:     if (!argv[optind])
terom@2:         EXIT_WARN(EXIT_FAILURE, "No images given");
terom@2:     
terom@2: 
terom@2: 
terom@2:     struct pt_ctx *ctx = NULL;
terom@5:     struct pt_image *image = NULL;
terom@8:     enum pt_cache_status status;
terom@2: 
terom@2:     log_debug("Processing %d images...", argc - optind);
terom@2: 
terom@2:     for (int i = optind; i < argc; i++) {
terom@2:         const char *img_path = argv[i];
terom@2: 
terom@5:         log_debug("Loading image from: %s...", img_path);
terom@2: 
terom@2:         // open
terom@6:         if (pt_image_open(&image, ctx, img_path, PT_IMG_WRITE)) {
terom@2:             log_errno("pt_image_open: %s", img_path);
terom@2:             continue;
terom@5:         }
terom@2: 
terom@5:         log_info("Opened image at: %s", img_path);
terom@5:         
terom@5:         // check if stale
terom@8:         if ((status = pt_image_status(image)) < 0) {
terom@8:             log_errno("pt_image_status: %s", img_path);
terom@5:             goto error;
terom@5:         }
terom@5:         
terom@5:         // update if stale
terom@8:         if (status != PT_CACHE_FRESH || force_update) {
terom@8:             if (status == PT_CACHE_NONE)
terom@8:                 log_debug("Image cache is missing");
terom@8: 
terom@8:             else if (status == PT_CACHE_STALE)
terom@8:                 log_debug("Image cache is stale");
terom@8: 
terom@8:             else if (status == PT_CACHE_FRESH)
terom@8:                 log_debug("Image cache is fresh");
terom@8: 
terom@8:             log_debug("Updating image cache...");
terom@2: 
terom@5:             if (pt_image_update(image)) {
terom@5:                 log_warn_errno("pt_image_update: %s", img_path);
terom@5:             }
terom@5: 
terom@6:             log_info("Updated image cache");
terom@2:         }
terom@5: 
terom@7:         // show info
terom@7:         const struct pt_image_info *img_info;
terom@7:         
terom@7:         if (pt_image_info(image, &img_info))
terom@7:             log_warn_errno("pt_image_info: %s", img_path);
terom@7: 
terom@7:         else
terom@7:             log_info("\tImage dimensions: %zux%zu", img_info->width, img_info->height);
terom@7: 
terom@9:         // render tile?
terom@9:         if (ti.width && ti.height) {
terom@9:             log_debug("Render tile %zux%zu@(%zu,%zu) -> stdout", ti.width, ti.height, ti.x, ti.y);
terom@9: 
terom@9:             if (pt_image_tile(image, &ti, stdout))
terom@9:                 log_errno("pt_image_tile: %s", img_path);
terom@9:         }
terom@5: 
terom@5: error:
terom@5:         // cleanup
terom@5:         pt_image_destroy(image);
terom@2:     }
terom@2: 
terom@2:     // XXX: done
terom@2:     return 0;
terom@2: }
terom@2: