diagram: factor out a generic drawing test
[flexagon-toolkit.git] / src / diagram / cairo_diagram.py
index 9aab30e..bf35d59 100755 (executable)
@@ -143,20 +143,6 @@ class CairoDiagram(Diagram):
         cr.line_to(x2, y2)
         self._stroke(stroke_color)
 
-    def draw_rect_from_center(self, cx, cy, width, height, theta=0.0,
-                              stroke_color=None,
-                              fill_color=(1, 1, 1, 0.8)):
-        # the position of the center of a rectangle at (0,0)
-        mx = width / 2.0
-        my = height / 2.0
-
-        # calculate the position of the bottom-left corner after rotating the
-        # rectangle around the center
-        rx = cx - (mx * cos(theta) - my * sin(theta))
-        ry = cy - (mx * sin(theta) + my * cos(theta))
-
-        self.draw_rect(rx, ry, width, height, theta, stroke_color, fill_color)
-
     def draw_rect(self, x, y, width, height, theta=0,
                   stroke_color=None,
                   fill_color=(1, 1, 1, 0.8)):
@@ -222,84 +208,7 @@ class CairoDiagram(Diagram):
 def test():
     diagram = CairoDiagram(400, 400)
 
-    diagram.clear()
-
-    x = 40
-    y = 200
-
-    x_offset = x
-
-    theta = 0
-
-    diagram.draw_line(0, y, 400, y, (1, 0, 0, 1))
-
-    advance = diagram.draw_centered_text(x_offset, y, "Ciao", theta,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "____", theta + pi / 4,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "jxpqdlf", theta + pi / 2,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "pppp", theta + 3 * pi / 4,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "dddd", theta + pi,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "Jjjj", theta + 5 * pi / 4,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "1369", theta + 3 * pi / 2,
-                                         color=(0, 1, 0),
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    advance = diagram.draw_centered_text(x_offset, y, "qqqq", theta + 7 * pi / 4,
-                                         align_baseline=True,
-                                         bb_stroke_color=(0, 0, 0, 0.5),
-                                         bb_fill_color=(1, 1, 1, 0.8))
-    x_offset += advance
-
-    diagram.draw_rect(40, 40, 300, 100, stroke_color=(0, 0, 0, 0.8))
-    diagram.draw_rect(40, 40, 300, 100, pi / 30, stroke_color=(0, 0, 0, 0.8))
-
-    verts = diagram.draw_regular_polygon(190, 90, 3, 20)
-
-    diagram.draw_rect(40, 250, 300, 100, stroke_color=(0, 0, 0, 0.8))
-    diagram.draw_rect_from_center(40 + 150, 250 + 50, 300, 100, theta=(pi / 40),
-                                  stroke_color=(1, 0, 0),
-                                  fill_color=None)
-
-    verts = diagram.draw_regular_polygon(190, 300, 6, 20, pi / 3., (0, 0, 1, 0.5), (0, 1, 0.5))
-    diagram.draw_apothem_star(190, 300, 6, 20, 0, (1, 0, 1))
-
-    diagram.draw_star_by_verts(190, 300, verts, (1, 0, 0, 0.5))
-    diagram.draw_star(190, 300, 6, 25, 0, (1, 0, 1, 0.2))
-
-    diagram.draw_circle(190, 300, 30, (0, 1, 0, 0.5), None)
-    diagram.draw_circle(100, 300, 30, (1, 0, 0, 0.5), (0, 1, 1, 0.5))
+    Diagram.test(diagram)
 
     diagram.show()