Rework the Loopy grid drawing algorithm so that it doesn't assume when

[sgt/puzzles] / puzzles.h

diff --git a/puzzles.h b/puzzles.h
index a97746c..971cb29 100644 (file)
--- a/puzzles.h
+++ b/puzzles.h
@@ -184,6 +184,8 @@ void draw_polygon(drawing *dr, int *coords, int npoints,
                   int fillcolour, int outlinecolour);
 void draw_circle(drawing *dr, int cx, int cy, int radius,
                  int fillcolour, int outlinecolour);
+void draw_thick_line(drawing *dr, float thickness,
+                    float x1, float y1, float x2, float y2, int colour);
 void clip(drawing *dr, int x, int y, int w, int h);
 void unclip(drawing *dr);
 void start_draw(drawing *dr);
@@ -519,6 +521,9 @@ struct drawing_api {
     void (*line_dotted)(void *handle, int dotted);
     char *(*text_fallback)(void *handle, const char *const *strings,
                           int nstrings);
+    void (*draw_thick_line)(void *handle, float thickness,
+                           float x1, float y1, float x2, float y2,
+                           int colour);
 };
 
 /*