/usr/share/pyshared/fltk/test/image.py is in python-fltk 1.3.0-1.
This file is owned by root:root, with mode 0o644.
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# "$Id: image.py 436 2008-10-27 07:39:41Z andreasheld $"
#
# Image 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 and others.
#
# 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 *
from math import *
import sys
width = 100
height = 100
image = []
def make_image():
#image = new uchar[4*width*height];
#uchar *p = image;
p = image
index = 0
y = 0
while y < height:
dy = float(y)/(height-1)
x = 0
while x < width:
dx = float(x)/(width-1)
#print 255*((1.0-dx)*(1.0-dy))
p.append(int(255*((1.0-dx)*(1.0-dy))))
index = index+1
p.append(int(255*((1.0-dx)*dy)))
index = index+1
p.append(int(255*(dx*dy)))
index = index+1
dx = dx-0.5
dy = dy-0.5
alpha = int(255*sqrt(dx*dx+dy*dy))
if alpha < 255:
p.append(alpha)
else:
p.append(255)
index = index+1
dy = dy+0.5
x = x+1
y = y+1
print "make_image done"
return None
#globals
leftb = None
rightb = None
topb = None
bottomb = None
insideb = None
overb = None
inactb = None
b = None
w = None
def button_cb(ptr):
global b, w
i = 0
if leftb.value():
i = i + FL_ALIGN_LEFT
if rightb.value():
i = i + FL_ALIGN_RIGHT
if topb.value():
i = i + FL_ALIGN_TOP
if bottomb.value():
i = i + FL_ALIGN_BOTTOM
if insideb.value():
i = i + FL_ALIGN_INSIDE
if overb.value():
i = i + FL_ALIGN_TEXT_OVER_IMAGE
b.align(i)
if inactb.value():
b.deactivate()
else:
b.activate()
w.redraw()
def make_window():
global leftb, rightb, topb, bottomb, insideb, overb, inactb, w, b
window = Fl_Window(400,400)
w = window
window.color(FL_WHITE)
b = Fl_Button(140,160,120,120,"Image w/Alpha")
rgb = None
dergb = None
make_image()
rgb = Fl_RGB_Image(image, width, height,4)
print sys.getrefcount(rgb)-1
dergb = rgb.copy()
print sys.getrefcount(dergb)-1
dergb.inactive()
b.image(rgb)
b.deimage(dergb)
leftb = Fl_Toggle_Button(25,50,50,25,"left")
leftb.callback(button_cb)
rightb = Fl_Toggle_Button(75,50,50,25,"right")
rightb.callback(button_cb)
topb = Fl_Toggle_Button(125,50,50,25,"top")
topb.callback(button_cb)
bottomb = Fl_Toggle_Button(175,50,50,25,"bottom");
bottomb.callback(button_cb)
insideb = Fl_Toggle_Button(225,50,50,25,"inside")
insideb.callback(button_cb)
overb = Fl_Toggle_Button(25,75,100,25,"text over")
overb.callback(button_cb)
inactb = Fl_Toggle_Button(125,75,100,25,"inactive")
inactb.callback(button_cb)
window.end()
return window
window = make_window()
window.resizable(window)
window.show(len(sys.argv), sys.argv)
#window.show()
Fl.run()
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