Maybe it could be useful for someone else (it must be saved as "draw-colors.py" and copied to GIMP 2/lib/gimp/2.0/plug-ins folder):
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from gimpfu import *
def readColors(ifile):
"""Read colors from input file and return a python list with all them"""
a = []
fd = open(ifile,"r")
for i in fd:
if not i.startswith('//'):
a.append(i)
return a
def rgb2html(col):
"""Converts a color: from (255,255,255) to #ffffff"""
r,g,b = col
return "#%x%x%x" % (r,g,b)
def html2rgb(col):
"""Converts a color: from #ffffff to (255,255,255)"""
s=col.strip('#')
r=int(s[:2],16)
g=int(s[2:4],16)
b=int(s[4:6],16)
return r,g,b
def nextColor():
"""Gets next html color from color list"""
col = html2rgb(nextColor.array[nextColor.counter])
nextColor.counter +=1
return col
def isNextColor():
"""Is there another color or list is over?"""
return nextColor.counter<isNextColor.colorslenght
def isPageEnded(y,sizey):
"""Is there enough room to draw another square?"""
return (y+100)>=sizey
def newPage(sizex,sizey):
"""Returns a new image"""
image = pdb.gimp_image_new(sizex, sizey, RGB)
layer = pdb.gimp_layer_new(image, sizex, sizey, RGB, "layer", 0, 0)
pdb.gimp_image_add_layer(image, layer, 0)
drw = pdb.gimp_image_active_drawable(image)
pdb.gimp_context_set_background((255,255,255))
pdb.gimp_drawable_fill(drw, BACKGROUND_FILL)
pdb.gimp_context_set_brush('Circle (01)')
return image
def savePage(image,filename):
"""Saves composed image to filename"""
layers = image.layers
last_layer = len(layers)-1
try:
disable=pdb.gimp_image_undo_disable(image)
pdb.gimp_layer_add_alpha(layers[0])
pdb.plug_in_colortoalpha(image,image.active_layer,(0,0,0))
layer = pdb.gimp_image_merge_visible_layers(image, 1)
enable = pdb.gimp_image_undo_enable(image)
pdb.file_png_save(image, image.active_layer, filename, filename, 0,9,1,0,0,1,1)
except Exception as e:
raise e
def drawRect(x,y,color,image):
"""draw a single square"""
text = rgb2html(color)
pdb.gimp_image_select_rectangle(image, 2, x, y, 100, 100)
pdb.gimp_context_set_background(color)
pdb.gimp_edit_fill(image.active_layer, 1)
try:
text_layer = pdb.gimp_text_fontname(image, None, x, y+(100/2), text, 2, 1, 18, 0, "Sans")
pdb.gimp_image_merge_down(image, text_layer, 0)
except Exception as e:
raise e
def draw(ifile,odir,prefix,sizex,sizey):
"""Main method. it manage page's room, slicing it in several 100x100 squares"""
colorArray = readColors(ifile)
nextColor.counter = 0
nextColor.array = colorArray
isNextColor.colorslenght = len(colorArray)
pc = x = y = 0
image = newPage(sizex,sizey)
try:
while(isNextColor()):
pdb.gimp_context_push()
drawRect(x,y,nextColor(),image)
x += 100#cambia colonna
if x+100>=sizex:#cambia riga
x = 0
y += 100
if isPageEnded(y,sizey):#salva pagina
savePage(image,odir+'\\'+prefix+str(pc)+".png")
pc += 1
image = newPage(sizex,sizey)
x = y = 0
savePage(image,odir+'\\'+prefix+str(pc)+".png")
pdb.gimp_context_pop()
except Exception as e:
raise e
register(
"draw-colors",
N_("Create a color map from a text color file"),
"Create a color map from a text color file",
"Alberto",
"@Copyright Alberto 2014",
"2014/10/21",
N_("Draw Colors..."),
"",
[
(PF_FILE, "ifile", N_("Color input file:"), 'default\\input\\colorfile\\path\\colorlist.txt'),
(PF_DIRNAME, "odir", N_("Path for png export:"), 'default\\output\\path'),
(PF_STRING, "prefix", N_("Filename prefix for export:"), "table"),
(PF_INT8, "sizex", N_("Image's x size:"), 1024),
(PF_INT8, "sizey", N_("Image's y size:"), 1024)
],
[],
draw, #main method call
menu="<Image>/Filters/Alberto",
domain=("gimp20-python", gimp.locale_directory)
)
main()
Output example: