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#!/usr/bin/env python
from __future__ import division
import sys
import cairo
if len(sys.argv) < 8:
print "Usage: mark_image.py <file>.png <text> <color> <X1> <Y1> <X2> <Y2> (000000 < color < ffffff) (0 < X/Y < 100)"
sys.exit (0)
file = str(sys.argv[1])
text = str(sys.argv[2])
c_red = (int(sys.argv[3], 16) >> 16) & 0xff;
c_green = (int(sys.argv[3], 16) >> 8) & 0xff;
c_blue = int(sys.argv[3], 16) & 0xff;
x1 = int(sys.argv[4])
y1 = int(sys.argv[5])
x2 = int(sys.argv[6])
y2 = int(sys.argv[7])
if x1 >= x2:
print "<X2> has to be bigger than <X1> !"
sys.exit (1)
if y1 >= y2:
print "<Y2> has to be bigger than <Y1> !"
sys.exit (1)
surface = cairo.ImageSurface.create_from_png (file)
context = cairo.Context (surface)
width = surface.get_width ()
height = surface.get_height ()
size = 6
context.set_font_size (size)
xext,yext,wext,hext,xaext,yaext = context.text_extents (text)
while ((x2-x1)*width)/100 > wext:
size += 1
context.set_font_size (size)
xext,yext,wext,hext,xaext,yaext = context.text_extents (text)
context.move_to ((x1*width)/100, (y1*height)/100)
context.set_source_rgb (c_red/255, c_green/255, c_blue/255)
context.show_text (text)
surface.write_to_png (file)
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