Seiten umbenannt entsprechend ESP32-Code

pages/wind.py

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+import os
+import cairo
+import math
+from .page import Page
+
+class Wind(Page):
+
+    def __init__(self, pageno, cfg, appdata, boatdata):
+        super().__init__(pageno, cfg, appdata, boatdata)
+        self.buttonlabel[1] = 'MODE'
+        self.mode = 'L' # (W)ind (L)ens
+        try:
+            self.symbol = cairo.ImageSurface.create_from_png(os.path.join(cfg['imgpath'], "front.png"))
+        except:
+            self.symbol = None
+            print("Warning: Missing image: {}".format(os.path.join(cfg['imgpath'], "front.png")))
+
+    def handle_key(self, buttonid):
+        if buttonid == 1:
+            if self.mode == 'W':
+                self.mode = 'L'
+            else:
+                self.mode = 'W'
+            return True
+        return False
+
+    def draw_wind(self, ctx):
+        # Name
+        ctx.set_font_size(40) 
+        ctx.move_to(20, 100)
+        ctx.show_text("Apparent Wind")
+
+    def draw_lens(self, ctx):
+        if self.symbol:
+            ctx.save()
+            ctx.set_source_surface(self.symbol, 140, 30)
+            ctx.paint()
+            ctx.restore()
+
+        ctx.set_line_width(2)
+
+        # Analoginstrument
+        cx = 200
+        cy = 150
+        r = 135
+        ctx.arc(cx, cy, r, math.radians(110), math.radians(250))
+        ctx.stroke()
+        ctx.arc(cx, cy, r, math.radians(-70), math.radians(70))
+        ctx.stroke()
+
+        # Windstärke als Digitalwert
+        ctx.select_font_face("DSEG7 Classic")
+        ctx.set_font_size(40)
+        self.draw_text_center(ctx, cx, cy + 80, "14.3", fix1=True)
+
+    def draw(self, ctx):
+        ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
+        if self.mode == 'W':
+            self.draw_wind(ctx)
+        else:
+            self.draw_lens(ctx)