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-rw-r--r--src/main.c333
1 files changed, 168 insertions, 165 deletions
diff --git a/src/main.c b/src/main.c
index 9f1217d..2c23bf1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -18,103 +18,116 @@
static bool timed_out = false;
void on_alarm(int ignored)
{
- (void)ignored;
- timed_out = true;
+ (void)ignored;
+ timed_out = true;
}
-
void syntax(void)
{
- fprintf(stderr,
-"Syntax:\n"
-" qlprint [-p lp] -i\n"
-" [-p lp] [-m margin] [-a] [-C|-D] [-W width] [-L length] [-Q] [-n num] [-t threshold] [-x timeout] png...\n"
-"Where:\n"
-" -p lp Printer port (default /dev/usb/lp0)\n"
-" -i Print status information only, then exit\n"
-" -m margin Margin (dots)\n"
-" -a Enable auto-cut\n"
-" -C Request continuous-length-tape when printing (error if not)\n"
-" -D Request die-cut-labels when printing (error if not)\n"
-" -W width Request particular width media when printing (error if not)\n"
-" -L length Request particular length media when printing (error if not)\n"
-" -Q Prioritise quality of speed\n"
-" -n num Print num copies\n"
-" -t threshold Threshold for black-vs-white (default 128, i.e. 0-127=black)\n"
-" -x timeout Time to wait for successful print, in seconds (default 5)\n"
-" png... One or more png files to print\n"
-"\n");
-
- exit(EXIT_FAILURE);
+ fprintf(stderr,
+ "Syntax:\n"
+ " qlprint [-p lp] -i\n"
+ " [-p lp] [-m margin] [-a] [-C|-D] [-W width] [-L length] [-Q] [-n num] [-t threshold] [-x timeout] png...\n"
+ "Where:\n"
+ " -p lp Printer port (default /dev/usb/lp0)\n"
+ " -i Print status information only, then exit\n"
+ " -m margin Margin (dots)\n"
+ " -a Enable auto-cut\n"
+ " -C Request continuous-length-tape when printing (error if not)\n"
+ " -D Request die-cut-labels when printing (error if not)\n"
+ " -W width Request particular width media when printing (error if not)\n"
+ " -L length Request particular length media when printing (error if not)\n"
+ " -Q Prioritise quality of speed\n"
+ " -n num Print num copies\n"
+ " -t threshold Threshold for black-vs-white (default 128, i.e. 0-127=black)\n"
+ " -x timeout Time to wait for successful print, in seconds (default 5)\n"
+ " png... One or more png files to print\n" "\n");
+
+ exit(EXIT_FAILURE);
}
-int main (int argc, char *argv[])
+int main(int argc, char *argv[])
{
- bool info_only = false;
- int32_t margin = -1;
- bool autocut = false;
- int num = 1;
- ql_print_cfg_t cfg = {
- .threshold = 0x80,
- .flags = 0
- };
- const char *printer = "/dev/usb/lp0";
- unsigned timeout = 5;
- int opt;
- while ((opt = getopt(argc, argv, "ip:m:an:CDW:L:Qx:")) != -1)
- {
- switch(opt)
- {
- case 'i': info_only = true; break;
- case 'p': printer = optarg; break;
- case 'm': margin = atoi(optarg); break;
- case 'a': autocut = true; break;
- case 'n': num = atoi(optarg); break;
- case 'C': cfg.media_type = QL_MEDIA_TYPE_CONTINUOUS;
- cfg.flags |= QL_PRINT_CFG_MEDIA_TYPE; break;
- case 'D': cfg.media_type = QL_MEDIA_TYPE_DIECUT_LABELS;
- cfg.flags |= QL_PRINT_CFG_MEDIA_TYPE; break;
- case 'W': cfg.media_width = atoi(optarg);
- cfg.flags |= QL_PRINT_CFG_MEDIA_WIDTH; break;
- case 'L': cfg.media_length = atoi(optarg);
- cfg.flags |= QL_PRINT_CFG_MEDIA_LENGTH; break;
- case 'Q': cfg.flags |= QL_PRINT_CFG_QUALITY_PRIO; break;
- case 'x': timeout = atoi(optarg); break;
- default: syntax();
- }
- }
-
- if (optind >= argc && !info_only)
- syntax();
-
- ql_ctx_t ctx = ql_open(printer);
- if (!ctx)
- {
- fprintf(stderr, "Unable to open '%s': %s\n", printer, strerror(errno));
- return EXIT_FAILURE;
- }
-
- if (!ql_init(ctx))
- {
- fprintf(stderr, "Failed to send initialisation sequence to printer: %s\n",
- strerror(errno));
- return EXIT_FAILURE;
- }
-
- if (!ql_request_status(ctx))
- {
- fprintf(stderr, "Failed to request status from printer: %s\n",
- strerror(errno));
- return EXIT_FAILURE;
- }
-
- ql_status_t status = { 0, };
- if (!ql_read_status(ctx, &status))
- {
- fprintf(stderr, "Failed to read status from printer: %s\n",
- strerror(errno));
- return EXIT_FAILURE;
- }
+ bool info_only = false;
+ int32_t margin = -1;
+ bool autocut = false;
+ int num = 1;
+ ql_print_cfg_t cfg = {
+ .threshold = 0x80,
+ .flags = 0
+ };
+ const char *printer = "/dev/usb/lp0";
+ unsigned timeout = 5;
+ int opt;
+ while ((opt = getopt(argc, argv, "ip:m:an:CDW:L:Qx:")) != -1) {
+ switch (opt) {
+ case 'i':
+ info_only = true;
+ break;
+ case 'p':
+ printer = optarg;
+ break;
+ case 'm':
+ margin = atoi(optarg);
+ break;
+ case 'a':
+ autocut = true;
+ break;
+ case 'n':
+ num = atoi(optarg);
+ break;
+ case 'C':
+ cfg.media_type = QL_MEDIA_TYPE_CONTINUOUS;
+ cfg.flags |= QL_PRINT_CFG_MEDIA_TYPE;
+ break;
+ case 'D':
+ cfg.media_type = QL_MEDIA_TYPE_DIECUT_LABELS;
+ cfg.flags |= QL_PRINT_CFG_MEDIA_TYPE;
+ break;
+ case 'W':
+ cfg.media_width = atoi(optarg);
+ cfg.flags |= QL_PRINT_CFG_MEDIA_WIDTH;
+ break;
+ case 'L':
+ cfg.media_length = atoi(optarg);
+ cfg.flags |= QL_PRINT_CFG_MEDIA_LENGTH;
+ break;
+ case 'Q':
+ cfg.flags |= QL_PRINT_CFG_QUALITY_PRIO;
+ break;
+ case 'x':
+ timeout = atoi(optarg);
+ break;
+ default:
+ syntax();
+ }
+ }
+
+ if (optind >= argc && !info_only)
+ syntax();
+
+ ql_ctx_t ctx = ql_open(printer);
+ if (!ctx) {
+ fprintf(stderr, "Unable to open '%s': %s\n", printer, strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ if (!ql_init(ctx)) {
+ fprintf(stderr, "Failed to send initialisation sequence to printer: %s\n",
+ strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ if (!ql_request_status(ctx)) {
+ fprintf(stderr, "Failed to request status from printer: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ ql_status_t status = { 0, };
+ if (!ql_read_status(ctx, &status)) {
+ fprintf(stderr, "Failed to read status from printer: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
/*
for (int i = 0; i < 32; ++i)
@@ -122,44 +135,37 @@ for (int i = 0; i < 32; ++i)
printf("\n");
*/
- if (info_only)
- {
- ql_decode_print_status(stdout, &status,
- QL_DECODE_MODEL | QL_DECODE_MEDIA | QL_DECODE_ERROR | QL_DECODE_MODE);
- return EXIT_SUCCESS;
- }
-
- if (margin >= 0 && !ql_set_margin(ctx, (uint16_t)margin))
- {
- fprintf(stderr, "Failed to set margin: %s\n", strerror(errno));
- return EXIT_FAILURE;
- }
- if (autocut &&
- (!ql_set_mode(ctx, QL_MODE_AUTOCUT) ||
- !ql_set_autocut_every_n(ctx, argc - optind)))
- {
- fprintf(stderr, "Failed to set autocut: %s\n", strerror(errno));
- return EXIT_FAILURE;
- }
-
- if (ql_needs_mode_switch(&status) && !ql_switch_to_raster_mode(ctx))
- {
- fprintf(stderr, "Failed to set raster mode: %s\n", strerror(errno));
- return EXIT_FAILURE;
- }
-
- signal(SIGALRM, on_alarm);
- while (num--)
- {
- cfg.first_page = true;
- for (int i = optind; i < argc; ++i)
- {
- ql_raster_image_t *img = loadpng(argv[i]);
- if (!img)
- {
- fprintf(stderr, "Failed to load image '%s'\n", argv[i]);
- return EXIT_FAILURE;
- }
+ if (info_only) {
+ ql_decode_print_status(stdout, &status,
+ QL_DECODE_MODEL | QL_DECODE_MEDIA | QL_DECODE_ERROR |
+ QL_DECODE_MODE);
+ return EXIT_SUCCESS;
+ }
+
+ if (margin >= 0 && !ql_set_margin(ctx, (uint16_t) margin)) {
+ fprintf(stderr, "Failed to set margin: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
+ if (autocut && (!ql_set_mode(ctx, QL_MODE_AUTOCUT)
+ || !ql_set_autocut_every_n(ctx, argc - optind))) {
+ fprintf(stderr, "Failed to set autocut: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ if (ql_needs_mode_switch(&status) && !ql_switch_to_raster_mode(ctx)) {
+ fprintf(stderr, "Failed to set raster mode: %s\n", strerror(errno));
+ return EXIT_FAILURE;
+ }
+
+ signal(SIGALRM, on_alarm);
+ while (num--) {
+ cfg.first_page = true;
+ for (int i = optind; i < argc; ++i) {
+ ql_raster_image_t *img = loadpng(argv[i]);
+ if (!img) {
+ fprintf(stderr, "Failed to load image '%s'\n", argv[i]);
+ return EXIT_FAILURE;
+ }
/*
for(int i = 0; i < img->height; ++i)
{
@@ -168,41 +174,38 @@ for(int i = 0; i < img->height; ++i)
printf("\n");
}
*/
- if (!ql_print_raster_image(ctx, &status, img, &cfg))
- {
- fprintf(stderr, "Failed to print '%s' (%ux%u)\n",
- argv[i], img->width, img->height);
- return EXIT_FAILURE;
- }
- alarm(timeout);
- do {
- if (!ql_read_status(ctx, &status))
- {
- if (!timed_out) // try again, soon
- {
- usleep(50);
- continue;
- }
- fprintf(stderr, "Printer stopped responding!\n");
- return EXIT_FAILURE;
- }
- if (status.err_info_1 || status.err_info_2)
- {
- fprintf(stderr, "Printer reported error(s): %s\n",
- ql_decode_errors(&status));
- return EXIT_FAILURE;
- }
- } while (status.status_type != QL_STATUS_TYPE_PRINTING_DONE);
- alarm(0);
-
- printf("%s (%ux%u) OK\n", argv[i], img->width, img->height);
-
- free(img);
- cfg.first_page = false;
- }
- }
-
- ql_close(ctx);
-
- return EXIT_SUCCESS;
+ if (!ql_print_raster_image(ctx, &status, img, &cfg)) {
+ fprintf(stderr, "Failed to print '%s' (%ux%u)\n", argv[i],
+ img->width, img->height);
+ return EXIT_FAILURE;
+ }
+ alarm(timeout);
+ do {
+ if (!ql_read_status(ctx, &status)) {
+ if (!timed_out) // try again, soon
+ {
+ usleep(50);
+ continue;
+ }
+ fprintf(stderr, "Printer stopped responding!\n");
+ return EXIT_FAILURE;
+ }
+ if (status.err_info_1 || status.err_info_2) {
+ fprintf(stderr, "Printer reported error(s): %s\n",
+ ql_decode_errors(&status));
+ return EXIT_FAILURE;
+ }
+ } while (status.status_type != QL_STATUS_TYPE_PRINTING_DONE);
+ alarm(0);
+
+ printf("%s (%ux%u) OK\n", argv[i], img->width, img->height);
+
+ free(img);
+ cfg.first_page = false;
+ }
+ }
+
+ ql_close(ctx);
+
+ return EXIT_SUCCESS;
}
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