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5
src/libptouch.c
View File

@ -1,7 +1,7 @@
/*
libptouch - functions to help accessing a brother ptouch
Copyright (C) 2013-2025 Dominic Radermacher <dominic@familie-radermacher.ch>
Copyright (C) 2013-2023 Dominic Radermacher <dominic@familie-radermacher.ch>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3 as
@ -45,10 +45,9 @@ struct _pt_tape_info tape_info[]= {
};
struct _pt_dev_info ptdevs[] = {
{0x04f9, 0x2004, "PT-2300", 112, 180, FLAG_RASTER_PACKBITS|FLAG_HAS_PRECUT}, /* 180dpi, 112px printhead */
{0x04f9, 0x2007, "PT-2420PC", 128, 180, FLAG_RASTER_PACKBITS}, /* 180dpi, 128px, maximum tape width 24mm, must send TIFF compressed pixel data */
{0x04f9, 0x2011, "PT-2450PC", 128, 180, FLAG_RASTER_PACKBITS},
{0x04f9, 0x2019, "PT-1950", 112, 180, FLAG_RASTER_PACKBITS}, /* 180dpi, apparently 112px printhead ?, maximum tape width 18mm - unconfirmed if it works */
{0x04f9, 0x2019, "PT-1950", 128, 180, FLAG_RASTER_PACKBITS}, /* 180dpi, apparently 112px printhead ?, maximum tape width 18mm - unconfirmed if it works */
{0x04f9, 0x201f, "PT-2700", 128, 180, FLAG_HAS_PRECUT},
{0x04f9, 0x202c, "PT-1230PC", 128, 180, FLAG_NONE}, /* 180dpi, supports tapes up to 12mm - I don't know how much pixels it can print! */
/* Notes about the PT-1230PC: While it is true that this printer supports

88
src/ptouch-print.c
View File

@ -1,7 +1,7 @@
/*
ptouch-print - Print labels with images or text on a Brother P-Touch
Copyright (C) 2015-2025 Dominic Radermacher <dominic@familie-radermacher.ch>
Copyright (C) 2015-2024 Dominic Radermacher <dominic@familie-radermacher.ch>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3 as
@ -44,8 +44,8 @@ int needed_width(char *text, char *font, int fsz);
int print_img(ptouch_dev ptdev, gdImage *im, int chain);
int write_png(gdImage *im, const char *file);
gdImage *img_append(gdImage *in_1, gdImage *in_2);
gdImage *img_cutmark(int print_width);
gdImage *render_text(char *font, char *line[], int lines, int print_width);
gdImage *img_cutmark(int tape_width);
gdImage *render_text(char *font, char *line[], int lines, int tape_width);
void unsupported_printer(ptouch_dev ptdev);
void usage(char *progname);
int parse_args(int argc, char **argv);
@ -58,7 +58,7 @@ int verbose = 0;
int fontsize = 0;
bool debug = false;
bool chain = false;
int forced_print_width = 0;
int forced_tape_width = 0;
/* --------------------------------------------------------------------
-------------------------------------------------------------------- */
@ -67,7 +67,7 @@ void rasterline_setpixel(uint8_t* rasterline, size_t size, int pixel)
{
// TODO: pixel should be unsigned, since we can't have negative
// if (pixel > ptdev->devinfo->device_max_px) {
if ((pixel < 0) || (pixel >= (int)(size*8))) {
if (pixel > (int)(size*8)) {
return;
}
rasterline[(size-1)-(pixel/8)] |= (uint8_t)(1<<(pixel%8));
@ -76,23 +76,24 @@ void rasterline_setpixel(uint8_t* rasterline, size_t size, int pixel)
int print_img(ptouch_dev ptdev, gdImage *im, int chain)
{
int d,i,k,offset,tape_width;
uint8_t rasterline[(ptdev->devinfo->max_px)/8];
if (!im) {
printf(_("nothing to print\n"));
return -1;
}
int tape_width = ptouch_get_tape_width(ptdev);
size_t max_pixels = ptouch_get_max_width(ptdev);
tape_width=ptouch_get_tape_width(ptdev);
/* find out whether color 0 or color 1 is darker */
int d = (gdImageRed(im,1) + gdImageGreen(im,1) + gdImageBlue(im,1) < gdImageRed(im,0) + gdImageGreen(im,0) + gdImageBlue(im,0))?1:0;
d=(gdImageRed(im,1)+gdImageGreen(im,1)+gdImageBlue(im,1) < gdImageRed(im,0)+gdImageGreen(im,0)+gdImageBlue(im,0))?1:0;
if (gdImageSY(im) > tape_width) {
printf(_("image is too large (%ipx x %ipx)\n"), gdImageSX(im), gdImageSY(im));
printf(_("maximum printing width for this tape is %ipx\n"), tape_width);
return -1;
}
printf(_("image size (%ipx x %ipx)\n"), gdImageSX(im), gdImageSY(im));
int offset = ((int)max_pixels / 2) - (gdImageSY(im)/2); /* always print centered */
//offset=64-(gdImageSY(im)/2); /* always print centered */
size_t max_pixels=ptouch_get_max_width(ptdev);
offset=((int)max_pixels / 2)-(gdImageSY(im)/2); /* always print centered */
printf("max_pixels=%ld, offset=%d\n", max_pixels, offset);
if ((ptdev->devinfo->flags & FLAG_RASTER_PACKBITS) == FLAG_RASTER_PACKBITS) {
if (debug) {
@ -128,14 +129,14 @@ int print_img(ptouch_dev ptdev, gdImage *im, int chain)
printf(_("send precut command\n"));
}
}
for (int k = 0; k < gdImageSX(im); ++k) {
for (k=0; k<gdImageSX(im); k+=1) {
memset(rasterline, 0, sizeof(rasterline));
for (int i = 0; i < gdImageSY(im); ++i) {
for (i=0; i<gdImageSY(im); i+=1) {
if (gdImageGetPixel(im, k, gdImageSY(im)-1-i) == d) {
rasterline_setpixel(rasterline, sizeof(rasterline), offset+i);
}
}
if (ptouch_sendraster(ptdev, rasterline, (ptdev->devinfo->max_px / 8)) != 0) {
if (ptouch_sendraster(ptdev, rasterline, 16) != 0) {
printf(_("ptouch_sendraster() failed\n"));
return -1;
}
@ -200,12 +201,14 @@ int write_png(gdImage *im, const char *file)
int get_baselineoffset(char *text, char *font, int fsz)
{
int brect[8];
int o_offset;
int text_offset;
/* NOTE: This assumes that 'o' is always on the baseline */
gdImageStringFT(NULL, &brect[0], -1, font, fsz, 0.0, 0, 0, "o");
int o_offset = brect[1];
o_offset=brect[1];
gdImageStringFT(NULL, &brect[0], -1, font, fsz, 0.0, 0, 0, text);
int text_offset = brect[1];
text_offset=brect[1];
if (debug) {
printf(_("debug: o baseline offset - %d\n"), o_offset);
printf(_("debug: text baseline offset - %d\n"), text_offset);
@ -259,7 +262,7 @@ int offset_x(char *text, char *font, int fsz)
return -brect[0];
}
gdImage *render_text(char *font, char *line[], int lines, int print_width)
gdImage *render_text(char *font, char *line[], int lines, int tape_width)
{
int brect[8];
int i, black, x=0, tmp=0, fsz=0;
@ -277,7 +280,7 @@ gdImage *render_text(char *font, char *line[], int lines, int print_width)
printf(_("setting font size=%i\n"), fsz);
} else {
for (i=0; i<lines; ++i) {
if ((tmp = find_fontsize(print_width/lines, font, line[i])) < 0) {
if ((tmp=find_fontsize(tape_width/lines, font, line[i])) < 0) {
printf(_("could not estimate needed font size\n"));
return NULL;
}
@ -293,7 +296,7 @@ gdImage *render_text(char *font, char *line[], int lines, int print_width)
x=tmp;
}
}
im = gdImageCreatePalette(x, print_width);
im=gdImageCreatePalette(x, tape_width);
gdImageColorAllocate(im, 255, 255, 255);
black=gdImageColorAllocate(im, 0, 0, 0);
/* gdImageStringFT(im,brect,fg,fontlist,size,angle,x,y,string) */
@ -312,17 +315,17 @@ gdImage *render_text(char *font, char *line[], int lines, int print_width)
if (debug) {
printf("debug: needed (max) height is %ipx\n", max_height);
}
if ((max_height * lines) > print_width) {
if ((max_height * lines) > tape_width) {
printf("Font size %d too large for %d lines\n", fsz, lines);
return NULL;
}
/* calculate unused pixels */
int unused_px = print_width - (max_height * lines);
int unused_px = tape_width - (max_height * lines);
/* now render lines */
for (i=0; i<lines; ++i) {
int ofs=get_baselineoffset(line[i], font_file, fsz);
//int pos = ((i)*(print_width/(lines)))+(max_height)-ofs-1;
int pos = ((i)*(print_width/(lines)))+(max_height)-ofs;
//int pos=((i)*(tape_width/(lines)))+(max_height)-ofs-1;
int pos=((i)*(tape_width/(lines)))+(max_height)-ofs;
pos += (unused_px/lines) / 2;
if (debug) {
printf("debug: line %i pos=%i ofs=%i\n", i+1, pos, ofs);
@ -381,12 +384,12 @@ gdImage *img_append(gdImage *in_1, gdImage *in_2)
return out;
}
gdImage *img_cutmark(int print_width)
gdImage *img_cutmark(int tape_width)
{
gdImage *out=NULL;
int style_dashed[6];
out = gdImageCreatePalette(9, print_width);
out=gdImageCreatePalette(9, tape_width);
if (out == NULL) {
return NULL;
}
@ -399,18 +402,18 @@ gdImage *img_cutmark(int print_width)
style_dashed[4]=black;
style_dashed[5]=black;
gdImageSetStyle(out, style_dashed, 6);
gdImageLine(out, 5, 0, 5, print_width - 1, gdStyled);
gdImageLine(out, 5, 0, 5, tape_width-1, gdStyled);
return out;
}
gdImage *img_padding(int print_width, int length)
gdImage *img_padding(int tape_width, int length)
{
gdImage *out=NULL;
if ((length < 1) || (length > 256)) {
length=1;
}
out = gdImageCreatePalette(length, print_width);
out=gdImageCreatePalette(length, tape_width);
if (out == NULL) {
return NULL;
}
@ -473,7 +476,7 @@ int parse_args(int argc, char **argv)
}
} else if (strcmp(&argv[i][1], "-force-tape-width") == 0) {
if (i+1<argc) {
forced_print_width = strtol(argv[++i], NULL, 10);
forced_tape_width=strtol(argv[++i], NULL, 10);
} else {
usage(argv[0]);
}
@ -520,15 +523,15 @@ int parse_args(int argc, char **argv)
usage(argv[0]);
}
}
if (forced_print_width && !save_png) {
forced_print_width = 0;
if (forced_tape_width && !save_png) {
forced_tape_width = 0;
}
return i;
}
int main(int argc, char *argv[])
{
int i, lines = 0, copies = 1, print_width = 0;
int i, lines = 0, tape_width, copies=1;
char *line[MAX_LINES];
gdImage *im=NULL;
gdImage *out=NULL;
@ -541,9 +544,7 @@ int main(int argc, char *argv[])
if (i != argc) {
usage(argv[0]);
}
int tape_width = ptouch_get_tape_width(ptdev);
int max_print_width = ptouch_get_max_width(ptdev);
if (!forced_print_width) {
if (!forced_tape_width) {
if ((ptouch_open(&ptdev)) < 0) {
return 5;
}
@ -554,13 +555,9 @@ int main(int argc, char *argv[])
printf(_("ptouch_getstatus() failed\n"));
return 1;
}
print_width = tape_width;
tape_width=ptouch_get_tape_width(ptdev);
} else {
print_width = forced_print_width;
}
// do not try to print more pixels than printhead has
if (print_width > max_print_width) {
print_width = max_print_width;
tape_width = forced_tape_width;
}
for (i=1; i<argc; ++i) {
if (*argv[i] != '-') {
@ -579,7 +576,7 @@ int main(int argc, char *argv[])
usage(argv[0]);
}
} else if (strcmp(&argv[i][1], "-force-tape-width") == 0) {
if (forced_print_width && save_png) {
if (forced_tape_width && save_png) {
++i;
continue;
} else {
@ -589,7 +586,6 @@ int main(int argc, char *argv[])
i++;
continue;
} else if (strcmp(&argv[i][1], "-info") == 0) {
printf(_("maximum printing width for this printer is %ipx\n"), max_print_width);
printf(_("maximum printing width for this tape is %ipx\n"), tape_width);
printf("media type = %02x (%s)\n", ptdev->status->media_type, pt_mediatype(ptdev->status->media_type));
printf("media width = %d mm\n", ptdev->status->media_width);
@ -617,7 +613,7 @@ int main(int argc, char *argv[])
line[lines]=argv[i];
}
if (lines) {
if ((im = render_text(font_file, line, lines, print_width)) == NULL) {
if ((im=render_text(font_file, line, lines, tape_width)) == NULL) {
printf(_("could not render text\n"));
return 1;
}
@ -626,13 +622,13 @@ int main(int argc, char *argv[])
im = NULL;
}
} else if (strcmp(&argv[i][1], "-cutmark") == 0) {
im = img_cutmark(print_width);
im=img_cutmark(tape_width);
out=img_append(out, im);
gdImageDestroy(im);
im = NULL;
} else if (strcmp(&argv[i][1], "-pad") == 0) {
int length=strtol(argv[++i], NULL, 10);
im = img_padding(print_width, length);
im=img_padding(tape_width, length);
out=img_append(out, im);
gdImageDestroy(im);
im = NULL;
@ -663,7 +659,7 @@ int main(int argc, char *argv[])
if (im != NULL) {
gdImageDestroy(im);
}
if (!forced_print_width) {
if (!forced_tape_width) {
ptouch_close(ptdev);
}
libusb_exit(NULL);

1
udev/90-usb-ptouch-permissions.rules
View File

@ -1,5 +1,4 @@
# Enable non-root access for known ptouch printers
SUBSYSTEM == "usb", ATTRS{idVendor} == "04f9", ATTRS{idProduct} == "2004", MODE="0660", TAG+="uaccess"
SUBSYSTEM == "usb", ATTRS{idVendor} == "04f9", ATTRS{idProduct} == "2007", MODE="0660", TAG+="uaccess"
SUBSYSTEM == "usb", ATTRS{idVendor} == "04f9", ATTRS{idProduct} == "2011", MODE="0660", TAG+="uaccess"
SUBSYSTEM == "usb", ATTRS{idVendor} == "04f9", ATTRS{idProduct} == "2019", MODE="0660", TAG+="uaccess"