From 755f49e71564ef7e1d2240c7ea0358adecb2f174 Mon Sep 17 00:00:00 2001
From: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>
Date: Thu, 14 Aug 2014 18:04:25 +0200
Subject: [PATCH] Add "mark_image.py" tool

mark_image.py is a Python script able to write colored text
on any selected position of a .png image.

Change-Id: Ib3b616707bc43d1fd493878cc3e1061dac19ebd1
Signed-off-by: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>
---
 Script/mark_image.py        | 52 +++++++++++++++++++++++++++++++++++++++++++++
 packaging/desktop-skin.spec |  3 +++
 2 files changed, 55 insertions(+)
 create mode 100755 Script/mark_image.py

diff --git a/Script/mark_image.py b/Script/mark_image.py
new file mode 100755
index 0000000..bc84163
--- /dev/null
+++ b/Script/mark_image.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+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)
diff --git a/packaging/desktop-skin.spec b/packaging/desktop-skin.spec
index bfd7686..831428a 100644
--- a/packaging/desktop-skin.spec
+++ b/packaging/desktop-skin.spec
@@ -6,6 +6,8 @@ License:    GPL-2.0+
 Release: 	1
 Source0:        %{name}-%{version}.tar.gz
 
+Requires:       python-cairo
+
 %description
 Provides desktop visuals and test programs
 - desktop background
@@ -22,6 +24,7 @@ Provides desktop visuals and test programs
 mkdir -p %{buildroot}%{_bindir}
 install -m 755 Script/launch_cam.sh %{buildroot}%{_bindir}
 install -m 755 Script/launch_video.sh %{buildroot}%{_bindir}
+install -m 755 Script/mark_image.py %{buildroot}%{_bindir}
 install -m 755 Script/wifi %{buildroot}%{_bindir}
 
 mkdir -p %{buildroot}%{_datadir}/media/videos
-- 
2.7.4