mirrors/zint-barcode-generator
1
0
Fork 0
mirror of https://git.code.sf.net/p/zint/code synced 2025-05-29 22:35:27 -04:00
Code Issues Projects Releases Packages Wiki Activity

Add BARCODE_MEMORY_FILE to symbol->output_options to allow

Browse source 
outputting to in-memory buffer `symbol->memfile` instead of to
  file `symbol->outfile`, ticket 
Add "README.clang-tidy" and ".clang-tidy" options file
Suppress some warnings
This commit is contained in:
gitlost 2023-12-27 19:20:19 +00:00
parent 070162214b
commit 98f86727cc
59 changed files with 2407 additions and 1262 deletions
backend
bmp.c

65
backend/bmp.c
View file

@ -33,11 +33,8 @@
#include <errno.h>
#include <math.h>
#include <stdio.h>
#ifdef _MSC_VER
#include <io.h>
#include <fcntl.h>
#endif
#include "common.h"
#include "filemem.h"
#include "output.h"
#include "bmp.h" /* Bitmap header structure */
@ -47,7 +44,8 @@ INTERNAL int bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
int colour_count;
int resolution;
size_t row_size, data_offset, file_size;
FILE *bmp_file;
struct filemem fm;
struct filemem *const fmp = &fm;
bitmap_file_header_t file_header;
bitmap_info_header_t info_header;
color_ref_t bg;
@ -55,7 +53,6 @@ INTERNAL int bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
color_ref_t palette[8];
int ultra_fg_index = 9;
unsigned char map[128];
const int output_to_stdout = symbol->output_options & BARCODE_STDOUT; /* Suppress gcc -fanalyzer warning */
unsigned char *rowbuf;
(void) out_colour_get_rgb(symbol->fgcolour, &fg.red, &fg.green, &fg.blue, NULL /*alpha*/);
@ -119,36 +116,25 @@ INTERNAL int bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
info_header.important_colours = colour_count;
/* Open output file in binary mode */
if (output_to_stdout) {
#ifdef _MSC_VER
if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {
sprintf(symbol->errtxt, "600: Could not set stdout to binary (%d: %.30s)", errno, strerror(errno));
free(rowbuf);
return ZINT_ERROR_FILE_ACCESS;
}
#endif
bmp_file = stdout;
} else {
if (!(bmp_file = out_fopen(symbol->outfile, "wb"))) {
sprintf(symbol->errtxt, "601: Could not open output file (%d: %.30s)", errno, strerror(errno));
free(rowbuf);
return ZINT_ERROR_FILE_ACCESS;
}
if (!fm_open(fmp, symbol, "wb")) {
sprintf(symbol->errtxt, "601: Could not open output file (%d: %.30s)", fmp->err, strerror(fmp->err));
free(rowbuf);
return ZINT_ERROR_FILE_ACCESS;
}
fwrite(&file_header, sizeof(bitmap_file_header_t), 1, bmp_file);
fwrite(&info_header, sizeof(bitmap_info_header_t), 1, bmp_file);
fm_write(&file_header, sizeof(bitmap_file_header_t), 1, fmp);
fm_write(&info_header, sizeof(bitmap_info_header_t), 1, fmp);
fwrite(&bg, sizeof(color_ref_t), 1, bmp_file);
fm_write(&bg, sizeof(color_ref_t), 1, fmp);
if (bits_per_pixel == 4) {
for (i = 0; i < 8; i++) {
fwrite(&palette[i], sizeof(color_ref_t), 1, bmp_file);
fm_write(&palette[i], sizeof(color_ref_t), 1, fmp);
}
if (ultra_fg_index == 9) {
fwrite(&fg, sizeof(color_ref_t), 1, bmp_file);
fm_write(&fg, sizeof(color_ref_t), 1, fmp);
}
} else {
fwrite(&fg, sizeof(color_ref_t), 1, bmp_file);
fm_write(&fg, sizeof(color_ref_t), 1, fmp);
}
/* Pixel Plotting */
@ -159,7 +145,7 @@ INTERNAL int bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
for (column = 0; column < symbol->bitmap_width; column++) {
rowbuf[column >> 1] |= map[pb[column]] << (!(column & 1) << 2);
}
fwrite(rowbuf, 1, row_size, bmp_file);
fm_write(rowbuf, 1, row_size, fmp);
}
} else { /* bits_per_pixel == 1 */
for (row = 0; row < symbol->bitmap_height; row++) {
@ -168,29 +154,20 @@ INTERNAL int bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char *pix
for (column = 0; column < symbol->bitmap_width; column++) {
rowbuf[column >> 3] |= map[pb[column]] >> (column & 7);
}
fwrite(rowbuf, 1, row_size, bmp_file);
fm_write(rowbuf, 1, row_size, fmp);
}
}
free(rowbuf);
if (ferror(bmp_file)) {
sprintf(symbol->errtxt, "603: Incomplete write to output (%d: %.30s)", errno, strerror(errno));
if (!output_to_stdout) {
(void) fclose(bmp_file);
}
if (fm_error(fmp)) {
sprintf(symbol->errtxt, "603: Incomplete write to output (%d: %.30s)", fmp->err, strerror(fmp->err));
(void) fm_close(fmp, symbol);
return ZINT_ERROR_FILE_WRITE;
}
if (output_to_stdout) {
if (fflush(bmp_file) != 0) {
sprintf(symbol->errtxt, "604: Incomplete flush to output (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
} else {
if (fclose(bmp_file) != 0) {
sprintf(symbol->errtxt, "605: Failure on closing output file (%d: %.30s)", errno, strerror(errno));
return ZINT_ERROR_FILE_WRITE;
}
if (!fm_close(fmp, symbol)) {
sprintf(symbol->errtxt, "605: Failure on closing output file (%d: %.30s)", fmp->err, strerror(fmp->err));
return ZINT_ERROR_FILE_WRITE;
}
return 0;