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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@ -152,10 +152,10 @@ int print_img(ptouch_dev ptdev, gdImage *im, int chain)
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gdImage *image_load(const char *file)
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{
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const uint8_t png[8]={0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
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const uint8_t png[8] = {0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
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char d[10];
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FILE *f;
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gdImage *img=NULL;
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gdImage *img = NULL;
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if (!strcmp(file, "-")) {
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f = stdin;
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@ -166,14 +166,14 @@ gdImage *image_load(const char *file)
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return NULL;
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}
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if (fseek(f, 0L, SEEK_SET)) { /* file is not seekable. eg 'stdin' */
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img=gdImageCreateFromPng(f);
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img = gdImageCreateFromPng(f);
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} else {
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if (fread(d, sizeof(d), 1, f) != 1) {
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return NULL;
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}
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rewind(f);
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if (memcmp(d, png, 8) == 0) {
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img=gdImageCreateFromPng(f);
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img = gdImageCreateFromPng(f);
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}
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}
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fclose(f);
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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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@ -222,7 +220,7 @@ int get_baselineoffset(char *text, char *font, int fsz)
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-------------------------------------------------------------------- */
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int find_fontsize(int want_px, char *font, char *text)
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{
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int save=0;
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int save = 0;
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int brect[8];
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for (int i=4; ; ++i) {
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@ -230,7 +228,7 @@ int find_fontsize(int want_px, char *font, char *text)
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break;
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}
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if (brect[1]-brect[5] <= want_px) {
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save=i;
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save = i;
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} else {
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break;
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}
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@ -261,12 +259,12 @@ 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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int i, black, x = 0, tmp = 0, fsz = 0;
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char *p;
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gdImage *im=NULL;
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gdImage *im = NULL;
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if (debug) {
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printf(_("render_text(): %i lines, font = '%s'\n"), lines, font);
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@ -275,11 +273,11 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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printf(_("warning: font config not available\n"));
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}
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if (fontsize > 0) {
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fsz=fontsize;
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fsz = fontsize;
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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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for (i = 0; i < lines; ++i) {
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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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@ -289,48 +287,48 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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}
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printf(_("choosing font size=%i\n"), fsz);
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}
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for(i=0; i<lines; ++i) {
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tmp=needed_width(line[i], font_file, fsz);
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for(i = 0; i < lines; ++i) {
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tmp = needed_width(line[i], font_file, fsz);
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if (tmp > x) {
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x=tmp;
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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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black = gdImageColorAllocate(im, 0, 0, 0);
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/* gdImageStringFT(im,brect,fg,fontlist,size,angle,x,y,string) */
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/* find max needed line height for ALL lines */
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int max_height=0;
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for (i=0; i<lines; ++i) {
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if ((p=gdImageStringFT(NULL, &brect[0], -black, font, fsz, 0.0, 0, 0, line[i])) != NULL) {
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for (i = 0; i < lines; ++i) {
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if ((p = gdImageStringFT(NULL, &brect[0], -black, font, fsz, 0.0, 0, 0, line[i])) != NULL) {
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printf(_("error in gdImageStringFT: %s\n"), p);
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}
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//int ofs=get_baselineoffset(line[i], font_file, fsz);
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int lineheight=brect[1]-brect[5];
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//int ofs = get_baselineoffset(line[i], font_file, fsz);
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int lineheight = brect[1]-brect[5];
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if (lineheight > max_height) {
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max_height=lineheight;
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max_height = lineheight;
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}
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}
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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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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)*(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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}
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int off_x = offset_x(line[i], font_file, fsz);
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if ((p=gdImageStringFT(im, &brect[0], -black, font, fsz, 0.0, off_x, pos, line[i])) != NULL) {
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if ((p = gdImageStringFT(im, &brect[0], -black, font, fsz, 0.0, off_x, pos, line[i])) != NULL) {
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printf(_("error in gdImageStringFT: %s\n"), p);
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}
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}
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@ -339,27 +337,27 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
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gdImage *img_append(gdImage *in_1, gdImage *in_2)
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{
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gdImage *out=NULL;
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int width=0;
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int i_1_x=0;
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int length=0;
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gdImage *out = NULL;
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int width = 0;
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int i_1_x = 0;
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int length = 0;
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if (in_1 != NULL) {
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width=gdImageSY(in_1);
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length=gdImageSX(in_1);
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i_1_x=gdImageSX(in_1);
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width = gdImageSY(in_1);
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length = gdImageSX(in_1);
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i_1_x = gdImageSX(in_1);
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}
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if (in_2 != NULL) {
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length += gdImageSX(in_2);
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/* width should be the same, but let's be sure */
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if (gdImageSY(in_2) > width) {
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width=gdImageSY(in_2);
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width = gdImageSY(in_2);
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}
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}
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if ((width == 0) || (length == 0)) {
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return NULL;
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}
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out=gdImageCreatePalette(length, width);
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out = gdImageCreatePalette(length, width);
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if (out == NULL) {
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return NULL;
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}
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@ -383,36 +381,36 @@ 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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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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gdImageColorAllocate(out, 255, 255, 255);
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int black=gdImageColorAllocate(out, 0, 0, 0);
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style_dashed[0]=gdTransparent;
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style_dashed[1]=gdTransparent;
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style_dashed[2]=gdTransparent;
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style_dashed[3]=black;
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style_dashed[4]=black;
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style_dashed[5]=black;
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int black = gdImageColorAllocate(out, 0, 0, 0);
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style_dashed[0] = gdTransparent;
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style_dashed[1] = gdTransparent;
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style_dashed[2] = gdTransparent;
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style_dashed[3] = black;
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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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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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@ -451,62 +449,62 @@ int parse_args(int argc, char **argv)
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{
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int lines, i;
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for (i=1; i<argc; ++i) {
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for (i = 1; i < argc; ++i) {
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if (*argv[i] != '-') {
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break;
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}
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if (strcmp(&argv[i][1], "-font") == 0) {
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if (i+1<argc) {
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font_file=argv[++i];
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if (i+1 < argc) {
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font_file = argv[++i];
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} else {
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-fontsize") == 0) {
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if (i+1<argc) {
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if (i+1 < argc) {
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++i;
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} else {
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-writepng") == 0) {
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if (i+1<argc) {
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save_png=argv[++i];
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if (i+1 < argc) {
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save_png = argv[++i];
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} else {
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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 (i+1<argc) {
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forced_tape_width=strtol(argv[++i], NULL, 10);
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if (i+1 < argc) {
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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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} else if (strcmp(&argv[i][1], "-cutmark") == 0) {
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continue; /* not done here */
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} else if (strcmp(&argv[i][1], "-chain") == 0) {
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chain=true;
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chain = true;
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} else if (strcmp(&argv[i][1], "-debug") == 0) {
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debug=true;
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debug = true;
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} else if (strcmp(&argv[i][1], "-info") == 0) {
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continue; /* not done here */
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} else if (strcmp(&argv[i][1], "-copies") == 0) {
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if (i+1<argc) {
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if (i+1 < argc) {
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++i;
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} else {
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-image") == 0) {
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if (i+1<argc) {
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if (i+1 < argc) {
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++i;
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} else {
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-pad") == 0) {
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if (i+1<argc) {
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if (i+1 < argc) {
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++i;
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} else {
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-text") == 0) {
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for (lines=0; (lines < MAX_LINES) && (i < argc); ++lines) {
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for (lines = 0; (lines < MAX_LINES) && (i < argc); ++lines) {
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if ((i+1 >= argc) || (argv[i+1][0] == '-')) {
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break;
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}
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@ -522,28 +520,30 @@ 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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ptouch_dev ptdev=NULL;
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gdImage *im = NULL;
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gdImage *out = NULL;
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ptouch_dev ptdev = NULL;
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setlocale(LC_ALL, "");
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bindtextdomain("ptouch-print", "/usr/share/locale/");
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textdomain("ptouch-print");
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i=parse_args(argc, argv);
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i = parse_args(argc, 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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@ -554,28 +554,32 @@ 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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for (i=1; i<argc; ++i) {
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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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break;
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}
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if (strcmp(&argv[i][1], "-font") == 0) {
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if (i+1<argc) {
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font_file=argv[++i];
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if (i+1 < argc) {
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font_file = argv[++i];
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} else {
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usage(argv[0]);
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}
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} else if (strcmp(&argv[i][1], "-fontsize") == 0) {
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if (i+1<argc) {
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fontsize=strtol(argv[++i], NULL, 10);
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if (i+1 < argc) {
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fontsize = strtol(argv[++i], NULL, 10);
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} else {
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usage(argv[0]);
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}
|
||||
} else if (strcmp(&argv[i][1], "-force-tape-width") == 0) {
|
||||
if (forced_tape_width && save_png) {
|
||||
if (forced_print_width && save_png) {
|
||||
++i;
|
||||
continue;
|
||||
} else {
|
||||
@ -585,6 +589,7 @@ 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);
|
||||
@ -596,39 +601,39 @@ int main(int argc, char *argv[])
|
||||
}
|
||||
exit(0);
|
||||
} else if (strcmp(&argv[i][1], "-image") == 0) {
|
||||
if ((im=image_load(argv[++i])) == NULL) {
|
||||
if ((im = image_load(argv[++i])) == NULL) {
|
||||
printf(_("failed to load image file\n"));
|
||||
return 1;
|
||||
}
|
||||
out=img_append(out, im);
|
||||
out = img_append(out, im);
|
||||
gdImageDestroy(im);
|
||||
im = NULL;
|
||||
} else if (strcmp(&argv[i][1], "-text") == 0) {
|
||||
for (lines=0; (lines < MAX_LINES) && (i < argc); ++lines) {
|
||||
for (lines = 0; (lines < MAX_LINES) && (i < argc); ++lines) {
|
||||
if ((i+1 >= argc) || (argv[i+1][0] == '-')) {
|
||||
break;
|
||||
}
|
||||
++i;
|
||||
line[lines]=argv[i];
|
||||
line[lines] = argv[i];
|
||||
}
|
||||
if (lines) {
|
||||
if ((im=render_text(font_file, line, lines, tape_width)) == NULL) {
|
||||
if ((im = render_text(font_file, line, lines, print_width)) == NULL) {
|
||||
printf(_("could not render text\n"));
|
||||
return 1;
|
||||
}
|
||||
out=img_append(out, im);
|
||||
out = img_append(out, im);
|
||||
gdImageDestroy(im);
|
||||
im = NULL;
|
||||
}
|
||||
} else if (strcmp(&argv[i][1], "-cutmark") == 0) {
|
||||
im=img_cutmark(tape_width);
|
||||
out=img_append(out, im);
|
||||
im = img_cutmark(print_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(tape_width, length);
|
||||
out=img_append(out, im);
|
||||
im = img_padding(print_width, length);
|
||||
out = img_append(out, im);
|
||||
gdImageDestroy(im);
|
||||
im = NULL;
|
||||
} else if (strcmp(&argv[i][1], "-chain") == 0) {
|
||||
@ -645,7 +650,7 @@ int main(int argc, char *argv[])
|
||||
if (save_png) {
|
||||
write_png(out, save_png);
|
||||
} else {
|
||||
for (i=0; i<copies; ++i) {
|
||||
for (i = 0; i < copies; ++i) {
|
||||
print_img(ptdev, out, chain);
|
||||
if (ptouch_finalize(ptdev, ( chain || (i < copies-1) ) ) != 0) {
|
||||
printf(_("ptouch_finalize(%d) failed\n"), chain);
|
||||
@ -658,7 +663,7 @@ int main(int argc, char *argv[])
|
||||
if (im != NULL) {
|
||||
gdImageDestroy(im);
|
||||
}
|
||||
if (!forced_tape_width) {
|
||||
if (!forced_print_width) {
|
||||
ptouch_close(ptdev);
|
||||
}
|
||||
libusb_exit(NULL);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user