author | Tero Marttila <terom@fixme.fi> |
Tue, 29 Dec 2009 16:44:48 +0200 | |
changeset 17 | baf3fe7c6354 |
parent 11 | eb2a1472f084 |
child 18 | f92a24ab046e |
permissions | -rw-r--r-- |
2 | 1 |
#include "shared/log.h" |
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#include "pngtile.h" |
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#include <getopt.h> |
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#include <stdio.h> |
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#include <stdbool.h> |
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/** |
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* Command-line options |
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*/ |
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static const struct option options[] = { |
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{ "help", false, NULL, 'h' }, |
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{ "quiet", false, NULL, 'q' }, |
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{ "verbose", false, NULL, 'v' }, |
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{ "debug", false, NULL, 'D' }, |
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{ "force-update", false, NULL, 'U' }, |
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{ "width", true, NULL, 'W' }, |
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{ "height", true, NULL, 'H' }, |
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{ "x", true, NULL, 'x' }, |
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{ "y", true, NULL, 'y' }, |
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{ 0, 0, 0, 0 } |
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}; |
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/** |
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* Print usage/help info on stderr |
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*/ |
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void help (const char *argv0) |
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{ |
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fprintf(stderr, "Usage: %s [options] <image> [...]\n", argv0); |
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fprintf(stderr, |
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"XXX: Process some image files.\n" |
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"\n" |
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"\t-h, --help show this help and exit\n" |
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"\t-q, --quiet supress informational output\n" |
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"\t-v, --verbose display more informational output\n" |
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"\t-D, --debug equivalent to -v\n" |
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"\t-U, --force-update unconditionally update image caches\n" |
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"\t-W, --width set tile width\n" |
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"\t-H, --height set tile height\n" |
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"\t-x, --x set tile x offset\n" |
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"\t-y, --y set tile z offset\n" |
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); |
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} |
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int main (int argc, char **argv) |
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{ |
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int opt; |
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bool force_update = false; |
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struct pt_tile_info ti = {0, 0, 0, 0}; |
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int err; |
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// parse arguments |
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while ((opt = getopt_long(argc, argv, "hqvDUW:H:x:y:", options, NULL)) != -1) { |
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switch (opt) { |
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case 'h': |
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// display help |
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help(argv[0]); |
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return EXIT_SUCCESS; |
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case 'q': |
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// supress excess log output |
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set_log_level(LOG_WARN); |
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break; |
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case 'v': |
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case 'D': |
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// display additional output |
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set_log_level(LOG_DEBUG); |
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break; |
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case 'U': |
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// force update of image caches |
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force_update = true; |
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break; |
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case 'W': |
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ti.width = strtol(optarg, NULL, 0); break; |
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case 'H': |
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ti.height = strtol(optarg, NULL, 0); break; |
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case 'x': |
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ti.x = strtol(optarg, NULL, 0); break; |
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case 'y': |
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ti.y = strtol(optarg, NULL, 0); break; |
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case '?': |
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// useage error |
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help(argv[0]); |
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return EXIT_FAILURE; |
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default: |
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// getopt??? |
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FATAL("getopt_long returned unknown code %d", opt); |
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} |
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} |
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// end-of-arguments? |
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if (!argv[optind]) |
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EXIT_WARN(EXIT_FAILURE, "No images given"); |
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struct pt_ctx *ctx = NULL; |
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struct pt_image *image = NULL; |
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enum pt_cache_status status; |
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log_debug("Processing %d images...", argc - optind); |
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for (int i = optind; i < argc; i++) { |
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const char *img_path = argv[i]; |
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log_debug("Loading image from: %s...", img_path); |
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// open |
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if ((err = pt_image_open(&image, ctx, img_path, PT_OPEN_UPDATE))) { |
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log_errno("pt_image_open: %s: %s", img_path, pt_strerror(err)); |
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continue; |
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} |
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log_info("Opened image at: %s", img_path); |
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// check if stale |
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if ((status = pt_image_status(image)) < 0) { |
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log_errno("pt_image_status: %s: %s", img_path, pt_strerror(status)); |
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goto error; |
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} |
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// update if stale |
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if (status != PT_CACHE_FRESH || force_update) { |
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if (status == PT_CACHE_NONE) |
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log_debug("Image cache is missing"); |
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else if (status == PT_CACHE_STALE) |
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log_debug("Image cache is stale"); |
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else if (status == PT_CACHE_FRESH) |
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log_debug("Image cache is fresh"); |
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log_debug("Updating image cache..."); |
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if ((err = pt_image_update(image))) { |
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log_warn_errno("pt_image_update: %s: %s", img_path, pt_strerror(err)); |
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} |
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log_info("Updated image cache"); |
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} |
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// show info |
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const struct pt_image_info *img_info; |
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if ((err = pt_image_info(image, &img_info))) |
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log_warn_errno("pt_image_info: %s: %s", img_path, pt_strerror(err)); |
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else |
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log_info("\tImage dimensions: %zux%zu", img_info->width, img_info->height); |
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// render tile? |
166 |
if (ti.width && ti.height) { |
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log_debug("Render tile %zux%zu@(%zu,%zu) -> stdout", ti.width, ti.height, ti.x, ti.y); |
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if ((err = pt_image_tile(image, &ti, stdout))) |
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log_errno("pt_image_tile: %s: %s", img_path, pt_strerror(err)); |
9 | 171 |
} |
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error: |
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// cleanup |
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pt_image_destroy(image); |
2 | 176 |
} |
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// XXX: done |
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return 0; |
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180 |
} |
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