add bleed margin in print menu

src/data/format/image.cpp

@@ -55,9 +55,10 @@ Image export_image(const SetP& set, const CardP& card, const bool write_metadata
 
   /// rotate
   img = rotate_image(img, angle_radians);
-  int width = img.GetWidth(), height = img.GetHeight();
 
   /// add print bleed edge
+  int width = img.GetWidth(), height = img.GetHeight();
+  bleed = max(0, min(width-1, min(height-1, bleed)));
   if (size.width < bleed + 2 || size.height < bleed + 2) {
     queue_message(MESSAGE_ERROR, _("Image too small to add bleed edge"));
   }
@@ -200,7 +201,7 @@ Image export_image( const SetP& set, const vector<CardP>& cards,
   Byte* pixels = global_img.GetData();
   Byte* alpha = global_img.GetAlpha();
   // fill with transparent
-  for (UInt i = 0; i < global_width*global_height; ++i) {
+  for (int i = 0; i < global_width*global_height; ++i) {
     pixels[3 * i + 0] = 0;
     pixels[3 * i + 1] = 0;
     pixels[3 * i + 2] = 0;

src/data/settings.cpp

@@ -197,6 +197,7 @@ Settings::Settings()
   , symbol_grid              (true)
   , symbol_grid_snap         (false)
   , print_spacing            (0.33)
+  , print_bleed              (0.0)
   , print_cutter_lines       (CUTTER_ALL)
   , dark_mode_type           (DARKMODE_SYSTEM)
   , import_scale_selection   (0)
@@ -334,6 +335,7 @@ IMPLEMENT_REFLECTION_NO_SCRIPT(Settings) {
   REFLECT(symbol_grid_snap);
   REFLECT(default_game);
   REFLECT(print_spacing);
+  REFLECT(print_bleed);
   REFLECT(print_cutter_lines);
   REFLECT(dark_mode_type);
   REFLECT(apprentice_location);

src/data/settings.hpp

@@ -209,6 +209,7 @@ public:
   // --------------------------------------------------- : Printing
 
   double print_spacing;
+  double print_bleed;
   CutterLinesType print_cutter_lines;
 
   // --------------------------------------------------- : Dark Mode