mirror of
https://git.familie-radermacher.ch/linux/ptouch-print.git
synced 2025-05-13 15:22:56 +00:00
for printers with less than 128px printhead, make sure we dont print too much pixels
This commit is contained in:
Dominic Radermacher
parent
a6c67df2c9
commit
140bf0a6cc
@ -44,8 +44,8 @@ int needed_width(char *text, char *font, int fsz);
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int print_img(ptouch_dev ptdev, gdImage *im, int chain);
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int write_png(gdImage *im, const char *file);
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gdImage *img_append(gdImage *in_1, gdImage *in_2);
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gdImage *img_cutmark(int tape_width);
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gdImage *render_text(char *font, char *line[], int lines, int tape_width);
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gdImage *img_cutmark(int print_width);
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gdImage *render_text(char *font, char *line[], int lines, int print_width);
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void unsupported_printer(ptouch_dev ptdev);
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void usage(char *progname);
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int parse_args(int argc, char **argv);
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@ -58,7 +58,7 @@ int verbose = 0;
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int fontsize = 0;
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bool debug = false;
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bool chain = false;
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int forced_tape_width = 0;
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int forced_print_width = 0;
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/* --------------------------------------------------------------------
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-------------------------------------------------------------------- */
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@ -200,14 +200,12 @@ int write_png(gdImage *im, const char *file)
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int get_baselineoffset(char *text, char *font, int fsz)
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{
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int brect[8];
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int o_offset;
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int text_offset;
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/* NOTE: This assumes that 'o' is always on the baseline */
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gdImageStringFT(NULL, &brect[0], -1, font, fsz, 0.0, 0, 0, "o");
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o_offset=brect[1];
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int o_offset = brect[1];
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gdImageStringFT(NULL, &brect[0], -1, font, fsz, 0.0, 0, 0, text);
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text_offset=brect[1];
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int text_offset = brect[1];
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if (debug) {
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printf(_("debug: o baseline offset - %d\n"), o_offset);
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printf(_("debug: text baseline offset - %d\n"), text_offset);
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@ -261,7 +259,7 @@ int offset_x(char *text, char *font, int fsz)
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return -brect[0];
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}
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gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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gdImage *render_text(char *font, char *line[], int lines, int print_width)
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{
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int brect[8];
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int i, black, x = 0, tmp = 0, fsz = 0;
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@ -279,7 +277,7 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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printf(_("setting font size=%i\n"), fsz);
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} else {
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for (i = 0; i < lines; ++i) {
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if ((tmp=find_fontsize(tape_width/lines, font, line[i])) < 0) {
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if ((tmp = find_fontsize(print_width/lines, font, line[i])) < 0) {
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printf(_("could not estimate needed font size\n"));
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return NULL;
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}
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@ -295,7 +293,7 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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x = tmp;
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}
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}
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im=gdImageCreatePalette(x, tape_width);
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im = gdImageCreatePalette(x, print_width);
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gdImageColorAllocate(im, 255, 255, 255);
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black = gdImageColorAllocate(im, 0, 0, 0);
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/* gdImageStringFT(im,brect,fg,fontlist,size,angle,x,y,string) */
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@ -314,17 +312,17 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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if (debug) {
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printf("debug: needed (max) height is %ipx\n", max_height);
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}
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if ((max_height * lines) > tape_width) {
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if ((max_height * lines) > print_width) {
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printf("Font size %d too large for %d lines\n", fsz, lines);
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return NULL;
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}
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/* calculate unused pixels */
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int unused_px = tape_width - (max_height * lines);
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int unused_px = print_width - (max_height * lines);
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/* now render lines */
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for (i = 0; i < lines; ++i) {
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int ofs = get_baselineoffset(line[i], font_file, fsz);
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//int pos=((i)*(tape_width/(lines)))+(max_height)-ofs-1;
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int pos=((i)*(tape_width/(lines)))+(max_height)-ofs;
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//int pos = ((i)*(print_width/(lines)))+(max_height)-ofs-1;
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int pos = ((i)*(print_width/(lines)))+(max_height)-ofs;
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pos += (unused_px/lines) / 2;
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if (debug) {
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printf("debug: line %i pos=%i ofs=%i\n", i+1, pos, ofs);
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@ -383,12 +381,12 @@ gdImage *img_append(gdImage *in_1, gdImage *in_2)
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return out;
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}
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gdImage *img_cutmark(int tape_width)
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gdImage *img_cutmark(int print_width)
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{
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gdImage *out = NULL;
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int style_dashed[6];
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out=gdImageCreatePalette(9, tape_width);
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out = gdImageCreatePalette(9, print_width);
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if (out == NULL) {
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return NULL;
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}
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@ -401,18 +399,18 @@ gdImage *img_cutmark(int tape_width)
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style_dashed[4] = black;
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style_dashed[5] = black;
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gdImageSetStyle(out, style_dashed, 6);
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gdImageLine(out, 5, 0, 5, tape_width-1, gdStyled);
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gdImageLine(out, 5, 0, 5, print_width - 1, gdStyled);
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return out;
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}
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gdImage *img_padding(int tape_width, int length)
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gdImage *img_padding(int print_width, int length)
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{
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gdImage *out = NULL;
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if ((length < 1) || (length > 256)) {
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length=1;
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}
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out=gdImageCreatePalette(length, tape_width);
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out = gdImageCreatePalette(length, print_width);
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if (out == NULL) {
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return NULL;
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}
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@ -475,7 +473,7 @@ int parse_args(int argc, char **argv)
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}
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} else if (strcmp(&argv[i][1], "-force-tape-width") == 0) {
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if (i+1 < argc) {
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forced_tape_width=strtol(argv[++i], NULL, 10);
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forced_print_width = strtol(argv[++i], NULL, 10);
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} else {
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usage(argv[0]);
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}
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@ -522,15 +520,15 @@ int parse_args(int argc, char **argv)
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usage(argv[0]);
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}
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}
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if (forced_tape_width && !save_png) {
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forced_tape_width = 0;
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if (forced_print_width && !save_png) {
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forced_print_width = 0;
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}
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return i;
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}
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int main(int argc, char *argv[])
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{
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int i, lines = 0, tape_width, copies=1;
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int i, lines = 0, copies = 1, print_width = 0;
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char *line[MAX_LINES];
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gdImage *im = NULL;
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gdImage *out = NULL;
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@ -543,7 +541,9 @@ int main(int argc, char *argv[])
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if (i != argc) {
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usage(argv[0]);
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}
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if (!forced_tape_width) {
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int tape_width = ptouch_get_tape_width(ptdev);
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int max_print_width = ptouch_get_max_width(ptdev);
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if (!forced_print_width) {
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if ((ptouch_open(&ptdev)) < 0) {
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return 5;
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}
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@ -554,9 +554,13 @@ int main(int argc, char *argv[])
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printf(_("ptouch_getstatus() failed\n"));
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return 1;
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}
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tape_width=ptouch_get_tape_width(ptdev);
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print_width = tape_width;
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} else {
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tape_width = forced_tape_width;
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print_width = forced_print_width;
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}
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// do not try to print more pixels than printhead has
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if (print_width > max_print_width) {
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print_width = max_print_width;
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}
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for (i = 1; i < argc; ++i) {
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if (*argv[i] != '-') {
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@ -575,7 +579,7 @@ int main(int argc, char *argv[])
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-force-tape-width") == 0) {
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if (forced_tape_width && save_png) {
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if (forced_print_width && save_png) {
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++i;
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continue;
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} else {
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@ -585,6 +589,7 @@ int main(int argc, char *argv[])
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i++;
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continue;
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} else if (strcmp(&argv[i][1], "-info") == 0) {
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printf(_("maximum printing width for this printer is %ipx\n"), max_print_width);
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printf(_("maximum printing width for this tape is %ipx\n"), tape_width);
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printf("media type = %02x (%s)\n", ptdev->status->media_type, pt_mediatype(ptdev->status->media_type));
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printf("media width = %d mm\n", ptdev->status->media_width);
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@ -612,7 +617,7 @@ int main(int argc, char *argv[])
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line[lines] = argv[i];
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}
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if (lines) {
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if ((im=render_text(font_file, line, lines, tape_width)) == NULL) {
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if ((im = render_text(font_file, line, lines, print_width)) == NULL) {
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printf(_("could not render text\n"));
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return 1;
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}
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@ -621,13 +626,13 @@ int main(int argc, char *argv[])
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im = NULL;
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}
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} else if (strcmp(&argv[i][1], "-cutmark") == 0) {
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im=img_cutmark(tape_width);
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im = img_cutmark(print_width);
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out = img_append(out, im);
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gdImageDestroy(im);
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im = NULL;
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} else if (strcmp(&argv[i][1], "-pad") == 0) {
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int length=strtol(argv[++i], NULL, 10);
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im=img_padding(tape_width, length);
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im = img_padding(print_width, length);
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out = img_append(out, im);
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gdImageDestroy(im);
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im = NULL;
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@ -658,7 +663,7 @@ int main(int argc, char *argv[])
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if (im != NULL) {
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gdImageDestroy(im);
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}
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if (!forced_tape_width) {
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if (!forced_print_width) {
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ptouch_close(ptdev);
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}
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libusb_exit(NULL);
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