#
# "$Id: shapeGL.py,v 1.8 2003/10/19 15:00:37 andreasheld Exp $"
#
# OpenGL test program for pyFLTK the Python bindings
# for the Fast Light Tool Kit (FLTK).
#
# FLTK copyright 1998-1999 by Bill Spitzak and others.
# pyFLTK copyright 2003 by Andreas Held.
#
# This library is free software you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
#
# Please report all bugs and problems to "pyfltk-user@lists.sourceforge.net".
#

from fltk import *
import sys, math, time

#sleep(5)

try:
    class ShapeWindow(Fl_Gl_Window):

	def __init__(self, x, y, w, h, l):
		Fl_Gl_Window.__init__(self, x,y,w,h,l)
		self.sides = 3

	def draw(self):
		#// draw an amazing graphic:
		glClear(0x00004000) #GL_COLOR_BUFFER_BIT)
		glColor3f(0.5,0.6,0.7)
		glBegin(9) #GL_POLYGON)
		for i in range(int(self.sides)):
			ang = i*2.0*3.141/self.sides
			x = math.cos(ang)
			y = math.sin(ang)
			glVertex3f( x, y, 0.0)
		glEnd()

#	def handle(self, event):
#		if event == FL_PUSH:
#			print "Mouse pushed!"
#			return 1
#		else:
#			return 0


	def sides_cb(self, slider):
		self.sides = slider.value()
		self.redraw()

except NameError:
	fl_message("This demo requires OpenGL.  Reconfigure and rebuild with OpenGl enabled.")
	sys.exit(0)	
 
window = Fl_Window(10, 10, 300, 330, sys.argv[0])

sw = ShapeWindow(10,10,280,280, "Shape Window")
window.resizable(sw)

slider = Fl_Hor_Slider(50, 295, window.w()-60, 30, "Sides")
slider.align(FL_ALIGN_LEFT)
slider.callback(sw.sides_cb)
slider.value(float(sw.sides))
slider.step(1)
slider.bounds(3, 40)

window.end()
window.show(len(sys.argv), sys.argv)
sw.show()

Fl.run()