User:Luisa Moura/prototyping/python/raw
< User:Luisa Moura | prototyping/python
Revision as of 14:33, 9 April 2014 by Luisa Moura (talk | contribs) (Created page with "none <source lang="python"> import struct, sys width = 320 height = 240 header = struct.pack("<BBBHHBHHHHBB",0,0,2,0,0,8,0,0,width,height,32,1<...")
import struct, sys
width = 320
height = 240
header = struct.pack("<BBBHHBHHHHBB",0,0,2,0,0,8,0,0,width,height,32,1<<5)
totalframes = 25
for frame in xrange(totalframes):
out = open("frame%04d.tga" % frame, "wb")
out.write(header)
for y in xrange(height):
for x in xrange(width):
r = ((float(frame)/totalframes))*255
g = 0
b = 0
a = 150
if y <= 80:
b = 20
g = 50
if y >= 80 and y <=160:
r = 200
b = 220
if y >= 160:
b = 150
g = 75
if x > 80 and x < 160:
g = r
if x > 160 and x < 240:
g = 50
if x > 240:
g = 200
out.write(struct.pack('B', b))
out.write(struct.pack('B', g))
out.write(struct.pack('B', r))
out.write(struct.pack('B', a))
print r
out.close()
import struct, sys
width = 320
height = 240
header = struct.pack("<BBBHHBHHHHBB",0,0,2,0,0,8,0,0,width,height,32,1<<5)
totalframes = 25
for frame in xrange(totalframes):
out = open("frame%04d.tga" % frame, "wb")
out.write(header)
for y in xrange(height):
for x in xrange(width):
r = (1.0-(float(frame)/totalframes))*255
g = 0
b = 0
a = 255
if x > 80 and x < 160:
g = r
out.write(struct.pack('B', b))
out.write(struct.pack('B', g))
out.write(struct.pack('B', r))
out.write(struct.pack('B', a))
print r
out.close()
#!/usr/bin/env python
#-*- coding:utf-8 -*-
import struct
f = open("image.data", 'w')
data = ''
for x in range(10000):
data += struct.pack('B', 255)
data += struct.pack('B', 0)
data += struct.pack('B', 0)
for x in range(20000):
data += struct.pack('B', 0)
data += struct.pack('B', 75)
data += struct.pack('B', 0)
for x in range(2000):
data += struct.pack('B', 50)
data += struct.pack('B', 50)
data += struct.pack('B', 25)
for x in range(50000):
data += struct.pack('B', 255)
data += struct.pack('B', 0)
data += struct.pack('B', 0)
f.write(data)
f.close()
[[File:image raw 9.jpg|thumbnail]]
import struct
import random
f = open("image.data", 'w')
data = ''
for x in range(random.randint(0,10000)):
if x % 2:
data += struct.pack('B', 255)
data += struct.pack('B', 0)
data += struct.pack('B', 0)
else:
data += struct.pack('B', 0)
data += struct.pack('B', 255)
data += struct.pack('B', 0)
for x in range(random.randint(0,10000)):
if x % 2:
data += struct.pack('B', 50)
data += struct.pack('B', 20)
data += struct.pack('B', 0)
else:
data += struct.pack('B', 0)
data += struct.pack('B', 75)
data += struct.pack('B', 0)
f.write(data)
f.close()
experiments with Henk-Jelle
<source lang="python">
import struct
import random
f = open("image.data", 'w')
data =
for x in range(100000):
varR = random.randint(0,255)
varG = random.randint(0,255)
varB = random.randint(0,255)
data += struct.pack('B', varR)
data += struct.pack('B', varG)
data += struct.pack('B', varB)
f.write(data)
f.close()