Diagram.py: use color_to_rgba() more consistently

diff --git a/Diagram.py b/Diagram.py
index 0bc3925..457d3ba 100755 (executable)
--- a/Diagram.py
+++ b/Diagram.py
@@ -139,8 +139,8 @@ class Diagram(object):
         cr = self.cr
 
         cr.save()
-        cr.set_source_rgba(fill_color[0], fill_color[1], fill_color[2],
-                           fill_color[3])
+        r, g, b, a = self.color_to_rgba(fill_color)
+        cr.set_source_rgba(r, g, b, a)
         cr.arc(cx, cy, size, 0, 2 * pi)
         cr.fill()
         cr.restore()
@@ -157,8 +157,8 @@ class Diagram(object):
         cr.stroke()
 
     def draw_rect_from_center(self, cx, cy, width, height, theta=0,
-                              fill=True, fill_color=[1, 1, 1],
-                              stroke=False, stroke_color=[0, 0, 0]):
+                              fill=True, fill_color=[1, 1, 1, 0.8],
+                              stroke=False, stroke_color=[0, 0, 0, 0.5]):
         cr = self.cr
 
         mx = width / 2.0
@@ -173,19 +173,21 @@ class Diagram(object):
 
         if fill:
             cr.rectangle(0, 0, width, height)
-            cr.set_source_rgba(fill_color[0], fill_color[1], fill_color[2], 0.8)
+            r, g, b, a = self.color_to_rgba(fill_color)
+            cr.set_source_rgba(r, g, b, a)
             cr.fill()
 
         if stroke:
             cr.rectangle(0, 0, width, height)
-            cr.set_source_rgba(stroke_color[0], stroke_color[1], stroke_color[2], 0.5)
+            r, g, b, a = self.color_to_rgba(stroke_color)
+            cr.set_source_rgba(r, g, b, a)
             cr.stroke()
-            self.draw_dot(0, 0, 3.0, list(stroke_color) + [0.5])
+            self.draw_dot(0, 0, 3.0, stroke_color)
 
         cr.restore()
 
-    def draw_rect(self, x, y, width, height, fill=True, fill_color=[1, 1, 1],
-                  stroke=False, stroke_color=[0, 0, 0]):
+    def draw_rect(self, x, y, width, height, fill=True, fill_color=[1, 1, 1, 0.8],
+                  stroke=False, stroke_color=[0, 0, 0, 0.5]):
         cr = self.cr
 
         cr.save()
@@ -193,14 +195,16 @@ class Diagram(object):
 
         if fill:
             cr.rectangle(0, 0, width, height)
-            cr.set_source_rgba(fill_color[0], fill_color[1], fill_color[2], 0.8)
+            r, g, b, a = self.color_to_rgba(fill_color)
+            cr.set_source_rgba(r, g, b, a)
             cr.fill()
 
         if stroke:
             cr.rectangle(0, 0, width, height)
-            cr.set_source_rgba(stroke_color[0], stroke_color[1], stroke_color[2], 0.5)
+            r, g, b, a = self.color_to_rgba(stroke_color)
+            cr.set_source_rgba(r, g, b, a)
             cr.stroke()
-            self.draw_dot(0, 0, 3.0, list(stroke_color) + [0.5])
+            self.draw_dot(0, 0, 3.0, stroke_color)
 
         cr.restore()
 
@@ -226,8 +230,9 @@ class Diagram(object):
         cr.save()
         cr.translate(rx, ry)
         cr.rotate(theta)
-        self.draw_rect(0, -descent, width, ascent, fill_color=[1, 1, 1, 0.1], stroke=bounding_box)
-        cr.set_source_rgba(color[0], color[1], color[2], 0.8)
+        self.draw_rect(0, -descent, width, ascent, fill_color=[1, 1, 1, 0.8], stroke=bounding_box)
+        r, g, b, a = self.color_to_rgba(color)
+        cr.set_source_rgba(r, g, b, a)
         cr.move_to(0, 0)
         cr.show_text(text)
         cr.fill()