1 files changed, 45 insertions, 0 deletions
diff --git a/doc/python_api/epy/testbgl.py b/doc/python_api/epy/testbgl.py
new file mode 100644
index 00000000000..e895d01df69
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+++ b/doc/python_api/epy/testbgl.py
@@ -0,0 +1,45 @@
+# Testing the BGL module
+
+import Blender
+from Blender.BGL import *
+from Blender import Draw
+
+R = G = B = 0
+A = 1
+
+instructions = "Hold mouse buttons to change the background color."
+quitting = " Press ESC or q to quit."
+
+def show_win():
+  glClearColor(R,G,B,A)                # define color used to clear buffers 
+  glClear(GL_COLOR_BUFFER_BIT)         # use it to clear the color buffer
+  glColor3f(1,1,1)                     # change default color
+  glRasterPos2i(50,100)                # move cursor to x = 50, y = 100
+  Draw.Text("Testing BGL  + Draw")     # draw this text there
+  glRasterPos2i(350,20)                # move cursor again
+  Draw.Text(instructions + quitting)   # draw another msg
+  glBegin(GL_LINE_LOOP)                # begin a vertex-data list
+  glVertex2i(46,92)
+  glVertex2i(120,92)
+  glVertex2i(120,115)
+  glVertex2i(46,115)
+  glEnd()                              # close this list
+  glColor3f(0.35,0.18,0.92)            # change default color again
+  glBegin(GL_POLYGON)                  # another list, for a polygon
+  glVertex2i(315, 292)
+  glVertex2i(412, 200)
+  glVertex2i(264, 256)
+  glEnd()
+  Draw.Redraw(1)                       # make changes visible.
+
+def ev(evt, val):                      # this is a callback for Draw.Register()
+  global R,G,B,A                       # it handles input events
+  if evt == Draw.ESCKEY or evt == Draw.QKEY:
+    Draw.Exit()                        # this quits the script
+  elif evt == Draw.LEFTMOUSE: R = 1 - R
+  elif evt == Draw.MIDDLEMOUSE: G = 1 - G
+  elif evt == Draw.RIGHTMOUSE: B = 1 - B
+  else:
+    Draw.Register(show_win, ev, None)
+
+Draw.Register(show_win, ev, None)      # start the main loop