Merge pull request #500 from caerffili/advanced_radials

Author: mathoudebine

library/lcd/lcd_comm.py

@@ -445,6 +445,29 @@ def DisplayLineGraph(self, x: int, y: int, width: int, height: int,
 
         self.DisplayPILImage(graph_image, x, y)
 
+    def DrawRadialDecoration(self, draw: ImageDraw, angle: float, radius: float, width: float, color: Tuple[int, int, int] = (0, 0, 0)):
+        i_cos = math.cos(angle*math.pi/180)
+        i_sin = math.sin(angle*math.pi/180)
+        x_f = (i_cos * (radius - width/2)) + radius
+        if math.modf(x_f) == 0.5:
+            if i_cos > 0:
+                x_f = math.floor(x_f)
+            else:
+                x_f = math.ceil(x_f)
+        else:
+             x_f = math.floor(x_f + 0.5) 
+            
+        y_f = (i_sin * (radius - width/2)) + radius 
+        if math.modf(y_f) == 0.5:
+            if i_sin > 0:
+                y_f = math.floor(y_f)
+            else:
+                y_f = math.ceil(y_f)
+        else:
+            y_f = math.floor(y_f + 0.5)            
+        draw.ellipse([x_f - width/2, y_f - width/2, x_f + width/2, y_f - 1 + width/2 - 1], outline=color, fill=color, width=1)   
+      
+
     def DisplayRadialProgressBar(self, xc: int, yc: int, radius: int, bar_width: int,
                                  min_value: int = 0,
                                  max_value: int = 100,
@@ -461,7 +484,12 @@ def DisplayRadialProgressBar(self, xc: int, yc: int, radius: int, bar_width: int
                                  font_color: Tuple[int, int, int] = (0, 0, 0),
                                  bar_color: Tuple[int, int, int] = (0, 0, 0),
                                  background_color: Tuple[int, int, int] = (255, 255, 255),
-                                 background_image: str = None):
+                                 background_image: str = None,
+                                 custom_bbox: Tuple[int, int, int, int] = (0, 0, 0, 0),
+                                 text_offset: Tuple[int, int] = (0,0),
+                                 bar_background_color: Tuple[int, int, int] = (0, 0, 0),
+                                 draw_bar_background: bool = False,
+                                 bar_decoration: str = ""):                                 
         # Generate a radial progress bar and display it
         # Provide the background image path to display progress bar with transparent background
 
@@ -474,6 +502,9 @@ def DisplayRadialProgressBar(self, xc: int, yc: int, radius: int, bar_width: int
         if isinstance(font_color, str):
             font_color = tuple(map(int, font_color.split(', ')))
 
+        if isinstance(bar_background_color, str):
+            bar_background_color = tuple(map(int, bar_background_color.split(', ')))
+
         if angle_start % 361 == angle_end % 361:
             if clockwise:
                 angle_start += 0.1
@@ -525,6 +556,23 @@ def DisplayRadialProgressBar(self, xc: int, yc: int, radius: int, bar_width: int
                 ecart = 360 - angle_start + angle_end
             else:
                 ecart = angle_end - angle_start
+
+            # draw bar background
+            if draw_bar_background:
+                if angle_end < angle_start:
+                    angleE = angle_start + ecart
+                    angleS = angle_start
+                else:
+                    angleS = angle_start
+                    angleE = angle_start + ecart
+                draw.arc([0, 0, diameter - 1, diameter - 1], angleS, angleE, fill=bar_background_color, width=bar_width) 
+                
+            # draw bar decoration
+            if bar_decoration == "Ellipse":
+                self.DrawRadialDecoration(draw = draw, angle = angle_end, radius = radius, width = bar_width, color = bar_background_color)
+                self.DrawRadialDecoration(draw = draw, angle = angle_start, radius = radius, width = bar_width, color = bar_color)
+                self.DrawRadialDecoration(draw = draw, angle = angle_start + pct * ecart, radius = radius, width = bar_width, color = bar_color)
+
             #
             # solid bar case
             if angle_sep == 0:
@@ -558,6 +606,25 @@ def DisplayRadialProgressBar(self, xc: int, yc: int, radius: int, bar_width: int
                 ecart = angle_start - angle_end
             else:
                 ecart = 360 - angle_end + angle_start
+
+            # draw bar background
+            if draw_bar_background:
+                if angle_end < angle_start:
+                    angleE = angle_start
+                    angleS = angle_start - ecart
+                else:
+                    angleS = angle_start - ecart
+                    angleE = angle_start
+                draw.arc([0, 0, diameter - 1, diameter - 1], angleS, angleE, fill=bar_background_color, width=bar_width) 
+
+
+            # draw bar decoration
+            if bar_decoration == "Ellipse":
+                self.DrawRadialDecoration(draw = draw, angle = angle_end, radius = radius, width = bar_width, color = bar_background_color)
+                self.DrawRadialDecoration(draw = draw, angle = angle_start, radius = radius, width = bar_width, color = bar_color)
+                self.DrawRadialDecoration(draw = draw, angle = angle_start - pct * ecart, radius = radius, width = bar_width, color = bar_color)
+
+            #      
             # solid bar case
             if angle_sep == 0:
                 if angle_end < angle_start:
@@ -593,10 +660,14 @@ def DisplayRadialProgressBar(self, xc: int, yc: int, radius: int, bar_width: int
             font = ImageFont.truetype("./res/fonts/" + font, font_size)
             left, top, right, bottom = font.getbbox(text)
             w, h = right - left, bottom - top
-            draw.text((radius - w / 2, radius - top - h / 2), text,
+            draw.text((radius - w / 2 + text_offset[0], radius - top - h / 2 + text_offset[1]), text,
                       font=font, fill=font_color)
 
-        self.DisplayPILImage(bar_image, xc - radius, yc - radius)
+        if custom_bbox[0] != 0 or custom_bbox[1] != 0 or custom_bbox[2] != 0 or custom_bbox[3] != 0:
+            bar_image = bar_image.crop(box=custom_bbox)
+
+        self.DisplayPILImage(bar_image, xc - radius + custom_bbox[0], yc - radius + custom_bbox[1])
+       # self.DisplayPILImage(bar_image, xc - radius, yc - radius)
 
     # Load image from the filesystem, or get from the cache if it has already been loaded previously
     def open_image(self, bitmap_path: str) -> Image:

library/stats.py

@@ -188,7 +188,12 @@ def display_themed_radial_bar(theme_data, value, min_size=0, unit='', custom_tex
         font_size=theme_data.get("FONT_SIZE", 10),
         font_color=theme_data.get("FONT_COLOR", (0, 0, 0)),
         background_color=theme_data.get("BACKGROUND_COLOR", (0, 0, 0)),
-        background_image=get_theme_file_path(theme_data.get("BACKGROUND_IMAGE", None))
+        background_image=get_theme_file_path(theme_data.get("BACKGROUND_IMAGE", None)),
+        custom_bbox=theme_data.get("CUSTOM_BBOX", (0, 0, 0, 0)),
+        text_offset=theme_data.get("TEXT_OFFSET", (0, 0)),
+        bar_background_color = theme_data.get("BAR_BACKGROUND_COLOR", (0, 0, 0)),
+        draw_bar_background = theme_data.get("DRAW_BAR_BACKGROUND", False),
+        bar_decoration = theme_data.get("BAR_DECORATION", "")
     )
 
 

res/themes/Advanced Radials Test/Credits.md

@@ -0,0 +1,4 @@
+### Credits for graphical resources used from freepik
+
+Acknowledgements for resources :
+