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backend: define z_alloca() and use for both Unix and Windows;

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replace double-slash comments with old-skool slash asterisk ones;
  define uint16_t etc for Windows ourselves and remove ms_stdint.h &
  stdint_msvc.h as no longer used;
  (backend (excepting test suite) now C89 compatible)
LICENSE: move from backend to root and move COPYING to frontend, with
  copies in frontend_qt & backend_qt, so in where it applies;
  add LICENSE section from manual to root README
This commit is contained in:
gitlost 2022-07-14 16:01:30 +01:00
parent 5ee3895bca
commit 930f458979
70 changed files with 2650 additions and 2038 deletions
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69
backend/ps.c
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@ -32,69 +32,66 @@
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <math.h>
#ifdef _MSC_VER
#include <malloc.h>
#endif
#include <stdio.h>
#include "common.h"
static void colour_to_pscolor(int option, int colour, char *output) {
*output = '\0';
if ((option & CMYK_COLOUR) == 0) {
// Use RGB colour space
/* Use RGB colour space */
switch (colour) {
case 1: // Cyan
case 1: /* Cyan */
strcat(output, "0.00 1.00 1.00");
break;
case 2: // Blue
case 2: /* Blue */
strcat(output, "0.00 0.00 1.00");
break;
case 3: // Magenta
case 3: /* Magenta */
strcat(output, "1.00 0.00 1.00");
break;
case 4: // Red
case 4: /* Red */
strcat(output, "1.00 0.00 0.00");
break;
case 5: // Yellow
case 5: /* Yellow */
strcat(output, "1.00 1.00 0.00");
break;
case 6: // Green
case 6: /* Green */
strcat(output, "0.00 1.00 0.00");
break;
case 8: // White
case 8: /* White */
strcat(output, "1.00 1.00 1.00");
break;
default: // Black
default: /* Black */
strcat(output, "0.00 0.00 0.00");
break;
}
strcat(output, " setrgbcolor");
} else {
// Use CMYK colour space
/* Use CMYK colour space */
switch (colour) {
case 1: // Cyan
case 1: /* Cyan */
strcat(output, "1.00 0.00 0.00 0.00");
break;
case 2: // Blue
case 2: /* Blue */
strcat(output, "1.00 1.00 0.00 0.00");
break;
case 3: // Magenta
case 3: /* Magenta */
strcat(output, "0.00 1.00 0.00 0.00");
break;
case 4: // Red
case 4: /* Red */
strcat(output, "0.00 1.00 1.00 0.00");
break;
case 5: // Yellow
case 5: /* Yellow */
strcat(output, "0.00 0.00 1.00 0.00");
break;
case 6: // Green
case 6: /* Green */
strcat(output, "1.00 0.00 1.00 0.00");
break;
case 8: // White
case 8: /* White */
strcat(output, "0.00 0.00 0.00 0.00");
break;
default: // Black
default: /* Black */
strcat(output, "0.00 0.00 0.00 1.00");
break;
}
@ -161,9 +158,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
int iso_latin1 = 0;
int have_circles_with_width = 0, have_circles_without_width = 0;
const int output_to_stdout = symbol->output_options & BARCODE_STDOUT;
#ifdef _MSC_VER
unsigned char *ps_string;
#endif
if (symbol->vector == NULL) {
strcpy(symbol->errtxt, "646: Vector header NULL");
@ -263,11 +258,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
}
}
#ifndef _MSC_VER
unsigned char ps_string[ps_len + 1];
#else
ps_string = (unsigned char *) _alloca(ps_len + 1);
#endif
ps_string = (unsigned char *) z_alloca(ps_len + 1);
/* Check for circle widths */
for (circle = symbol->vector->circles; circle; circle = circle->next) {
@ -314,7 +305,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
/* Now the actual representation */
// Background
/* Background */
if (draw_background) {
if ((symbol->output_options & CMYK_COLOUR) == 0) {
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
@ -334,14 +325,14 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
}
}
// Rectangles
/* Rectangles */
if (symbol->symbology == BARCODE_ULTRA) {
colour_rect_flag = 0;
rect = symbol->vector->rectangles;
while (rect) {
if (rect->colour == -1) { // Foreground
if (rect->colour == -1) { /* Foreground */
if (colour_rect_flag == 0) {
// Set foreground colour
/* Set foreground colour */
if ((symbol->output_options & CMYK_COLOUR) == 0) {
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
} else {
@ -362,7 +353,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
while (rect) {
if (rect->colour == colour_index) {
if (colour_rect_flag == 0) {
// Set new colour
/* Set new colour */
colour_to_pscolor(symbol->output_options, colour_index, ps_color);
fprintf(feps, "%s\n", ps_color);
colour_rect_flag = 1;
@ -384,7 +375,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
}
}
// Hexagons
/* Hexagons */
previous_diameter = radius = half_radius = half_sqrt3_radius = 0.0f;
hex = symbol->vector->hexagons;
while (hex) {
@ -426,7 +417,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
hex = hex->next;
}
// Circles
/* Circles */
previous_diameter = radius = 0.0f;
circle = symbol->vector->circles;
while (circle) {
@ -435,7 +426,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
radius = (float) (0.5 * previous_diameter);
}
if (circle->colour) {
// A 'white' circle
/* A 'white' circle */
if ((symbol->output_options & CMYK_COLOUR) == 0) {
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
} else {
@ -456,7 +447,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
}
}
} else {
// A 'black' circle
/* A 'black' circle */
if (circle->width) {
fprintf(feps, "%.2f %.2f %.3f %.3f TC\n",
circle->x, (symbol->vector->height - circle->y), radius, circle->width);
@ -467,7 +458,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
circle = circle->next;
}
// Text
/* Text */
string = symbol->vector->strings;