try this:
for a in range(10):
r, g, b = pixel[1030*(y-a) + x]
if g > r and g > b:
box += 1
This is an example of "unpacking" a tuple into separate variables, r, g and
b.
On 7/19/07, elis aeris <[EMAIL PROTECTED]> wrote:
# pixel[] is a list of tuples: (r,g,b)
# pixel[1030*(y-a) + x][0] = r
# pixel[1030*(y-a) + x][1] = g
# pixel[1030*(y-a) + x][2] = b
for a in range(0, 10):
if pixel[1030*(y-a) + x][1] > pixel[1030*(y-a) + x][0] and
pixel[1030*(y-a) + x][1] > pixel[1030*(y-a) + x][2]:
box = box + 1
print box
i have never used double conditions before, is this correct?
I want box++ when the g is both bigger than r and b.
import time
import ImageGrab # Part of PIL
from ctypes import *
# Load up the Win32 APIs we need to use.
class RECT(Structure):
_fields_ = [
('left', c_ulong),
('top', c_ulong),
('right', c_ulong),
('bottom', c_ulong)
]
# time.sleep(2)
GetForegroundWindow = windll.user32.GetForegroundWindow
GetWindowRect = windll.user32.GetWindowRect
# Sleep for 2 seconds - click the window you want to grab.
#time.sleep(2)
# Grab the foreground window's screen rectangle.
rect = RECT()
foreground_window = GetForegroundWindow()
GetWindowRect(foreground_window, byref(rect))
image = ImageGrab.grab((rect.left, rect.top, rect.right, rect.bottom))
# Save the screenshot as a BMP.
time.sleep(2)
image.save("c:\python_codes\screenshot.bmp")
# Get the pixel 10 pixels along the top of the foreground window - this
# will be a piece of the window border.
# print time.time()
start = time.time()
pixels = image.getdata()
for x in xrange(0, 500):
for y in xrange(0, 500):
rgb = pixels[500 * x + y]
print pixels[1][0]
print ( time.time() - start )
# PIL returns colours as RGB values packed into a triple:
#print "RGB(%d, %d, %d)" % (rgb[0], rgb[1], rgb[2]) # This prints RGB(0,
74, 216) on my XP machine
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