from gimpfu import *
def do_message_box(msg):
handler = pdb.gimp_message_get_handler()
pdb.gimp_message_set_handler(MESSAGE_BOX) #{ MESSAGE-BOX (0), CONSOLE (1), ERROR-CONSOLE (2) }
pdb.gimp_message(msg)
pdb.gimp_message_set_handler(handler)
def add_steg_text(image, layer, text):
length = len(text)
# limit length of message to 255
if length > 255:
do_message_box("text too long! (don't exeed 255 characters)")
return
pdb.gimp_image_undo_group_start(image)
newlayer = layer.copy()
image.add_layer(newlayer, -1)
pr = newlayer.get_pixel_rgn(0,0,newlayer.width,newlayer.height)
for index in range(length+1):
col = (index) / layer.height
row = (index) % layer.height
if index == 0: #store length in first pixel
newpixel = chr(length)
else: #store string in subsequent pixels
newpixel = text[index-1]
newpixel += pr[col,row][1] + pr[col,row][2]
if layer.has_alpha:
newpixel += pr[col,row][3]
pr[col,row] = newpixel
newlayer.flush()
layer.merge_shadow(True)
newlayer.update(0, 0, newlayer.width, newlayer.height)
pdb.gimp_image_undo_group_end(image)
gimp.displays_flush()
def read_steg_text(image, layer, outputmode):
pr = layer.get_pixel_rgn(0,0,layer.width,layer.height)
length = ord(pr[0,0][0])
msg = ""
for index in range(length):
col = (index+1) / layer.height
row = (index+1) % layer.height
msg += pr[col,row][0]
if outputmode == 0:
do_message_box("%s" %msg)
register(
"python_fu_simple_steg_text_add",
"Adds a simple 'hidden message' to an RGB image",
"Adds a simple 'hidden message' to an RGB image",
"",
"",
"Version 1.0 (25-3-2015)",
"Add message",
"RGB*",
[
(PF_IMAGE, "image", "Input image", None),
(PF_DRAWABLE, "drawable", "Input layer", None),
(PF_STRING, "text", "Text:", "")
],
[],
add_steg_text,
menu="<Image>/MyScripts/Steg/Text Steganography")
register(
"python_fu_simple_steg_text_read",
"Reads a simple 'hidden message' added to an RGB image",
"Reads a simple 'hidden message' added to an RGB image",
"",
"",
"Version 1.0 (25-3-2015)",
"Display message",
"RGB*",
[
(PF_IMAGE, "image", "Input image", None),
(PF_DRAWABLE, "drawable", "Input layer", None),
(PF_OPTION, "outputmode", "Output mode", 0, ("Display in a message box", "None"))
],
[],
read_steg_text,
menu="<Image>/MyScripts/Steg/Text Steganography")
main()
jismy jose 0 Newbie Poster
jismy jose 0 Newbie Poster
from gimpfu import *
#import math, random, os, sys
def do_message_box(msg):
handler = pdb.gimp_message_get_handler()
pdb.gimp_message_set_handler(MESSAGE_BOX) #{ MESSAGE-BOX (0), CONSOLE (1), ERROR-CONSOLE (2) }
pdb.gimp_message(msg)
pdb.gimp_message_set_handler(handler)
def hide_image(image, layer, carrier, radix):
if layer.width > carrier.width or layer.height > carrier.height:
do_message_box("Carrier image must be at least as large as the image to be hidden!!")
return
s = int(radix)
pdb.gimp_image_undo_group_start(image)
newlayer = pdb.gimp_layer_new_from_drawable(carrier, image)
image.add_layer(newlayer, -1)
gimp.progress_init("Hiding image...")
ntx = int( (layer.width+63)/64 ) # number of tiles horizontally
nty = int( (layer.height+63)/64 ) # number of tiles vertically
for i in range(ntx):
for j in range(nty): # for each tile...
srcTile = layer.get_tile(False, j, i)
carTile = carrier.get_tile(False, j, i)
dstTile = newlayer.get_tile(False, j, i)
for x in range(srcTile.ewidth): # for each pixel in tile..
for y in range(srcTile.eheight):
spixel = srcTile[x,y]
cpixel = carTile[x,y]
r = min(255, ord(cpixel[0]) - (ord(cpixel[0]) % s) + int(s * ord(spixel[0]) / 256))
g = min(255, ord(cpixel[1]) - (ord(cpixel[1]) % s) + int(s * ord(spixel[1]) / 256))
b = min(255, ord(cpixel[2]) - (ord(cpixel[2]) % s) + int(s * ord(spixel[2]) / 256))
dstTile[x,y] = chr(r) + chr(g) + chr(b)
gimp.progress_update(float(i)/ntx)
newlayer.flush()
newlayer.update(0, 0, newlayer.width, newlayer.height)
pdb.gimp_image_resize_to_layers(image)
pdb.gimp_image_undo_group_end(image)
gimp.displays_flush()
def recover_image(image, layer, radix):
s = int(radix)
pdb.gimp_image_undo_group_start(image)
newlayer = layer.copy()
image.add_layer(newlayer, -1)
gimp.progress_init("Recovering image...")
ntx = int( (layer.width+63)/64 ) # number of tiles horizontally
nty = int( (layer.height+63)/64 ) # number of tiles vertically
for i in range(ntx):
for j in range(nty): # for each tile...
srcTile = layer.get_tile(False, j, i)
dstTile = newlayer.get_tile(False, j, i)
for x in range(srcTile.ewidth): # for each pixel in tile..
for y in range(srcTile.eheight):
pixel = srcTile[x,y]
r = (ord(pixel[0]) % s) * 256 / s
g = (ord(pixel[1]) % s) * 256 / s
b = (ord(pixel[2]) % s) * 256 / s
dstTile[x,y] = chr(r) + chr(g) + chr(b)
gimp.progress_update(float(i)/ntx)
newlayer.flush()
newlayer.update(0, 0, newlayer.width, newlayer.height)
pdb.gimp_image_undo_group_end(image)
gimp.displays_flush()
register(
"python_fu_simple_steg_hide_image",
"Hides an RGB image in another RGB image",
"Hides an RGB image in another RGB image",
"",
"",
"Version 1.0 (2-4-2015)",
"Hide image",
"RGB",
[
(PF_IMAGE, "image", "Input image", None),
(PF_DRAWABLE, "drawable", "Input layer", None),
(PF_DRAWABLE, "carrier", "Carrier image", None),
(PF_SPINNER, "radix", "Radix", 4, (2, 64, 1))
],
[],
hide_image,
menu="<Image>/MyScripts/Steg/Image Steganography")
register(
"python_fu_simple_steg_recover_image",
"Recovers a 'hidden image' from an RGB image",
"Recovers a 'hidden image' from an RGB image",
"",
"",
"Version 1.0 (2-4-2015)",
"Recover image",
"RGB",
[
(PF_IMAGE, "image", "Input image", None),
(PF_DRAWABLE, "drawable", "Input layer", None),
(PF_SPINNER, "radix", "Radix", 4, (2, 64, 1))
],
[],
recover_image,
menu="<Image>/MyScripts/Steg/Image Steganography")
main()
vegaseat 1,735 DaniWeb's Hypocrite Team Colleague
Your problem is?
Oh, I see, you also added it to the snippet.
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