Seite Tide vorbereitet für Wasserstandsvorhersagen

pages/__init__.py

@@ -37,6 +37,7 @@ from .racetracker import RaceTracker
 from .rollpitch import RollPitch
 from .skyview import SkyView
 from .solar import Solar
+from .tide import Tide
 from .rudder import Rudder
 from .voltage import Voltage
 from .wind import Wind

pages/tide.py

@@ -0,0 +1,50 @@
+"""
+
+NAVTEX
+ - Meldungen anzeigen
+
+"""
+
+import cairo
+from .page import Page
+
+class Tide(Page):
+
+    def __init__(self, pageno, cfg, appdata, boatdata):
+        super().__init__(pageno, cfg, appdata, boatdata)
+
+        self.station = "f3c6ee73-5561-4068-96ec-364016e7d9ef" # Schulau
+
+    def draw(self, ctx):
+        # Title
+        ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
+        ctx.set_font_size(24)
+        ctx.move_to(8, 40)
+        ctx.show_text("Tide prediction")
+
+        ctx.set_font_size(16)
+        ctx.set_line_width(2)
+
+        x0 = 40 # links unten
+        y0 = 250
+        x1 = 380 # rechts oben
+        y1 = 60
+
+        # X-Achse
+        ctx.move_to(x0 + 0.5, y0 + 0.5)
+        ctx.line_to(x0 + 0.5, y1 + 0.5)
+        # self.draw_text_center(ctx, x0 - 20, y0 + (y1 -y0) / 2, "Höhe, cm", rotate=True)
+        self.draw_text_center(ctx, 60, 150, "Höhe, cm", rotate=True)
+        #self.draw_text_center(ctx, 100, 100, "Höhe, cm", rotate=False)
+        #ctx.move_to(90, 90) # Rotationsursprung
+        #ctx.line_to(110, 110)
+        #ctx.move_to(90, 110)
+        #ctx.line_to(110, 90)
+        #ctx.stroke()
+
+        # Y-Achse
+        ctx.move_to(x0 + 0.5, y0 + 0.5)
+        ctx.line_to(x1 + 0.5, y0 + 0.5)
+        self.draw_text_center(ctx, x0 + (x1 - x0) / 2, y0 + 12, "Zeit, h")
+        ctx.stroke()
+