From 8ebd1143be2fcc544660ff7735607915c3619eb4 Mon Sep 17 00:00:00 2001
From: XANTRONIX Industrial <xan@xantronix.com>
Date: Wed, 26 Mar 2025 15:25:28 -0400
Subject: [PATCH] Implement hatched fill areas

---
 lib/xmet/spc.py | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/lib/xmet/spc.py b/lib/xmet/spc.py
index 3fe8ab7..4022479 100644
--- a/lib/xmet/spc.py
+++ b/lib/xmet/spc.py
@@ -517,11 +517,18 @@ class SPCOutlookMap(EquirectMap):
     def __init__(self):
         super().__init__(*MAP_SCREEN_DIMENSIONS, MAP_BOUNDS)
 
+        self.hatched_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 8, 8)
+
+        cr = cairo.Context(self.hatched_surface)
+        cr.move_to(0, 0)
+        cr.line_to(7, 7)
+        cr.stroke()
+
     def draw_logo(self, cr: cairo.Context, path: str):
         cr.save()
 
         width  = self.LOGO_WIDTH
-        height = self.LOGO_HEIGHT
+        height = width * self.LOGO_RATIO
         margin = self.LOGO_MARGIN
 
         x = margin
@@ -574,7 +581,16 @@ class SPCOutlookMap(EquirectMap):
 
             r, g, b = self.__probability_colors__[probability.probability]
 
-            if not probability.sig:
+            if probability.sig:
+                cr.set_source_surface(self.hatched_surface, 0, 0)
+
+                source = cr.get_source()
+                source.set_extend(cairo.EXTEND_REPEAT)
+
+                self.draw_polygon(cr, probability.poly)
+
+                cr.fill()
+            else:
                 cr.set_source_rgba(r, g, b, 0.35)
                 self.draw_polygon(cr, probability.poly)
                 cr.fill()