User:Luisa Moura/prototyping/python/raw

From Media Design: Networked & Lens-Based wiki
Jump to navigation Jump to search
Chessboard.gif
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()

Color.gif

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()
Raw image.jpg
#!/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

Raw image 6.jpg

<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()