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- BMP/EMF/EPS/GIF/PCX/PNG/SVG/TIF/TXT: check for errors on writing

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to output file; ZBarcode_Encode_File: check `fseek()` for errors
  (ticket #275)
- man page: fix Code 11 check digit info
- manual/man page: document octal escape; Code 128 subset/mode ->
  Code Set
This commit is contained in:
gitlost 2022-12-19 16:28:15 +00:00
parent a54bdc0299
commit 268fdd7fc2
18 changed files with 318 additions and 140 deletions
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59
backend/svg.c
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@ -136,6 +136,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
char colour_code[7];
int len, html_len;
const int output_to_stdout = symbol->output_options & BARCODE_STDOUT;
char *html_string;
for (i = 0; i < 6; i++) {
@ -181,7 +182,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
strcpy(symbol->errtxt, "681: Vector header NULL");
return ZINT_ERROR_INVALID_DATA;
}
if (symbol->output_options & BARCODE_STDOUT) {
if (output_to_stdout) {
fsvg = stdout;
} else {
if (!(fsvg = out_fopen(symbol->outfile, "w"))) {
@ -193,14 +194,14 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
locale = setlocale(LC_ALL, "C");
/* Start writing the header */
fprintf(fsvg, "<?xml version=\"1.0\" standalone=\"no\"?>\n");
fprintf(fsvg, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
fprintf(fsvg, " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
fputs("<?xml version=\"1.0\" standalone=\"no\"?>\n"
"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n"
" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n", fsvg);
fprintf(fsvg, "<svg width=\"%d\" height=\"%d\" version=\"1.1\"\n",
(int) ceilf(symbol->vector->width), (int) ceilf(symbol->vector->height));
fprintf(fsvg, " xmlns=\"http://www.w3.org/2000/svg\">\n");
fprintf(fsvg, " <desc>Zint Generated Symbol\n");
fprintf(fsvg, " </desc>\n");
fputs(" xmlns=\"http://www.w3.org/2000/svg\">\n"
" <desc>Zint Generated Symbol\n"
" </desc>\n", fsvg);
fprintf(fsvg, "\n <g id=\"barcode\" fill=\"#%s\">\n", fgcolour_string);
if (bg_alpha != 0) {
@ -209,7 +210,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
if (bg_alpha != 0xff) {
fprintf(fsvg, " opacity=\"%.3f\"", bg_alpha_opacity);
}
fprintf(fsvg, " />\n");
fputs(" />\n", fsvg);
}
rect = symbol->vector->rectangles;
@ -223,7 +224,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
if (fg_alpha != 0xff) {
fprintf(fsvg, " opacity=\"%.3f\"", fg_alpha_opacity);
}
fprintf(fsvg, " />\n");
fputs(" />\n", fsvg);
rect = rect->next;
}
@ -268,7 +269,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
if (fg_alpha != 0xff) {
fprintf(fsvg, " opacity=\"%.3f\"", fg_alpha_opacity);
}
fprintf(fsvg, " />\n");
fputs(" />\n", fsvg);
hex = hex->next;
}
@ -300,7 +301,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
fprintf(fsvg, " opacity=\"%.3f\"", fg_alpha_opacity);
}
}
fprintf(fsvg, " />\n");
fputs(" />\n", fsvg);
circle = circle->next;
}
@ -312,7 +313,7 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"%s\"\n", string->x, string->y, halign);
fprintf(fsvg, " font-family=\"%s\" font-size=\"%.1f\"", font_family, string->fsize);
if (bold) {
fprintf(fsvg, " font-weight=\"bold\"");
fputs(" font-weight=\"bold\"", fsvg);
}
if (fg_alpha != 0xff) {
fprintf(fsvg, " opacity=\"%.3f\"", fg_alpha_opacity);
@ -320,25 +321,39 @@ INTERNAL int svg_plot(struct zint_symbol *symbol) {
if (string->rotation != 0) {
fprintf(fsvg, " transform=\"rotate(%d,%.2f,%.2f)\"", string->rotation, string->x, string->y);
}
fprintf(fsvg, " >\n");
fputs(" >\n", fsvg);
make_html_friendly(string->text, html_string);
fprintf(fsvg, " %s\n", html_string);
fprintf(fsvg, " </text>\n");
fputs(" </text>\n", fsvg);
string = string->next;
}
fprintf(fsvg, " </g>\n");
fprintf(fsvg, "</svg>\n");
if (symbol->output_options & BARCODE_STDOUT) {
fflush(fsvg);
} else {
fclose(fsvg);
}
fputs(" </g>\n"
"</svg>\n", fsvg);
if (locale)
setlocale(LC_ALL, locale);
if (ferror(fsvg)) {
sprintf(symbol->errtxt, "682: Incomplete write to output (%d: %.30s)", errno, strerror(errno));
if (!output_to_stdout) {
(void) fclose(fsvg);
}
return ZINT_ERROR_FILE_WRITE;
}
if (output_to_stdout) {
if (fflush(fsvg) != 0) {
sprintf(symbol->errtxt, "683: Incomplete flush to output (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
} else {
if (fclose(fsvg) != 0) {
sprintf(symbol->errtxt, "684: Failure on closing output file (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
}
return error_number;
}