From 382a051cb5569e230f2e8ccce4fb705ed9a7bf08 Mon Sep 17 00:00:00 2001
From: Robin Stuart <rstuart114@gmail.com>
Date: Mon, 3 Aug 2020 07:37:27 +0100
Subject: [PATCH] Extend no background option to EPS

---
 backend/ps.c    | 24 ++++++++++++++++++------
 docs/manual.txt |  6 +++---
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/backend/ps.c b/backend/ps.c
index 31a2f39d..943ad0e1 100644
--- a/backend/ps.c
+++ b/backend/ps.c
@@ -112,6 +112,13 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
     float radius;
     int colour_index, colour_rect_counter;
     char ps_color[30];
+    int draw_background = 1;
+    
+    if (strlen(symbol->bgcolour) > 6) {
+        if ((ctoi(symbol->bgcolour[6]) == 0) && (ctoi(symbol->bgcolour[7]) == 0)) {
+            draw_background = 0;
+        }
+    }
 
     struct zint_vector_rect *rect;
     struct zint_vector_hexagon *hex;
@@ -210,14 +217,19 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
     fprintf(feps, "newpath\n");
 
     /* Now the actual representation */
-    if ((symbol->output_options & CMYK_COLOUR) == 0) {
-        fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
-    } else {
-        fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n", cyan_paper, magenta_paper, yellow_paper, black_paper);
+    
+    //Background
+    if (draw_background) {
+        if ((symbol->output_options & CMYK_COLOUR) == 0) {
+            fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
+        } else {
+            fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n", cyan_paper, magenta_paper, yellow_paper, black_paper);
+        }
+        
+        fprintf(feps, "%.2f 0.00 TB 0.00 %.2f TR\n", symbol->vector->height, symbol->vector->width);
+        fprintf(feps, "TE\n");
     }
-    fprintf(feps, "%.2f 0.00 TB 0.00 %.2f TR\n", symbol->vector->height, symbol->vector->width);
 
-    fprintf(feps, "TE\n");
     if (symbol->symbology != BARCODE_ULTRA) {
         if ((symbol->output_options & CMYK_COLOUR) == 0) {
             fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
diff --git a/docs/manual.txt b/docs/manual.txt
index b56451dd..14c8f448 100644
--- a/docs/manual.txt
+++ b/docs/manual.txt
@@ -419,7 +419,7 @@ will give different results for PNG and SVG. Experimentation is advised!
 Also note that these options don't work properly with Maxicode yet.
 
 In addition the --nobackground option will simply remove the background from
-PNG, SVG and EMF files.
+PNG, SVG, EMF and EPS files.
 
 4.8 Rotating the Symbol
 -----------------------
@@ -926,8 +926,8 @@ int main(int argc, char **argv)
     return 0;
 }
 
-Background removal for PNG, SVG and EMF files can be achieved by setting the
-background alpha to "00" where the values for R, G and B will be ignored:
+Background removal for PNG, SVG, EMF and EPS files can be achieved by setting
+the background alpha to "00" where the values for R, G and B will be ignored:
 
 strcpy(my_symbol->bgcolour, "55555500");