m/ptouch-print
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Code Issues Releases Activity

preparing for support of printers with 360 dpi

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This commit is contained in:
Dominic Radermacher
2026-03-08 10:26:46 +01:00
parent 25e7a8c876
commit 9cd8a5bc22
6 changed files with 278 additions and 135 deletions
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src/ptouch-print.c
+10 -3
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@@ -35,7 +35,7 @@
#define _(s) gettext(s)
#define MAX_LINES 4 /* maybe this should depend on tape size */
#define MAX_LINES 4 /* this should be calculated depending on tape size */
#define P_NAME "ptouch-print"
@@ -56,6 +56,7 @@ struct arguments {
int verbose;
int timeout;
};
typedef enum { JOB_CUTMARK, JOB_IMAGE, JOB_PAD, JOB_TEXT, JOB_UNDEFINED } job_type_t;
typedef struct job {
@@ -91,7 +92,8 @@ static struct argp_option options[] = {
{ "font", 2, "<file>", 0, "Use font <file> or <name>", 1},
{ "fontsize", 3, "<size>", 0, "Manually set font size, or ...", 1},
{ "fontmargin", 4, "<size>", 0, "Manually set font top/bottom margin (in px)", 1},
{ "writepng", 5, "<file>", 0, "Instead of printing, write output to png <file>", 1},
{ "write-png", 5, "<file>", 0, "Instead of printing, write output to png <file>", 1},
{ "writepng", 5, "<file>", OPTION_ALIAS, "alias for write-png", 1},
{ "force-tape-width", 6, "<px>", 0, "Set tape width in pixels, use together with --writepng without a printer connected", 1},
{ "copies", 7, "<number>", 0, "Sets the number of identical prints", 1},
{ "timeout", 8, "<seconds>", 0, "Set timeout waiting for finishing previous job. Default:1, 0 means infinity", 1},
@@ -298,7 +300,11 @@ int get_baselineoffset(char *text, char *font, int fsz)
{
int brect[8];
/* NOTE: This assumes that 'z' is always on the baseline */
/* NOTE: This assumes that 'z' is on the baseline for the selected font.
'z' was choosen instead of 'o' because letters withstraight baseline
are the better choice for the majority of fonts here.
If this makes problems with non-latin fonts with lots of vertically
protruding serifs or decorations, change 'z' to 'o' */
gdImageStringFT_180dpi(NULL, &brect[0], -1, font, fsz, 0.0, 0, 0, "z");
int z_offset = brect[1];
gdImageStringFT_180dpi(NULL, &brect[0], -1, font, fsz, 0.0, 0, 0, text);
@@ -743,6 +749,7 @@ int main(int argc, char *argv[])
}
if (arguments.info) {
printf(_("printer has %d dpi\n"), ptouch_get_dpi(ptdev));
printf(_("maximum printing width for this printer is %ldpx\n"), ptouch_get_max_width(ptdev));
printf(_("maximum printing width for this tape is %ldpx\n"), ptouch_get_tape_width(ptdev));
printf("media type = 0x%02x (%s)\n", ptdev->status->media_type, pt_mediatype(ptdev->status->media_type));