X-Git-Url: https://git.ao2.it/flexagon-toolkit.git/blobdiff_plain/b0d293a76ed3a595754b643f48b2f2d1b03395f6..3c262fada99001bdfe050581a708d1416b0926f2:/src/diagram/diagram.py

diff --git a/src/diagram/diagram.py b/src/diagram/diagram.py
index eee9fc6..43e3a93 100755
--- a/src/diagram/diagram.py
+++ b/src/diagram/diagram.py
@@ -32,6 +32,87 @@ class Diagram(object):
         raise NotImplementedError
 
     @staticmethod
+    def test(diagram):
+        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))
+
+    @staticmethod
     def color_to_rgba(color):
         assert len(color) >= 3
 
@@ -86,3 +167,22 @@ class Diagram(object):
         apothem_angle = theta + pi / sides
 
         return self.draw_star(cx, cy, sides, apothem, apothem_angle, stroke_color)
+
+    def draw_rect(self, x, y, width, height, theta=0,
+                  stroke_color=None,
+                  fill_color=(1, 1, 1, 0.8)):
+        raise NotImplementedError
+
+    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)