From 89c95ee88cf8735211857bffe943548cc4a3ee65 Mon Sep 17 00:00:00 2001
From: Alain Reguera Delgado <alain.reguera@gmail.com>
Date: Jul 31 2011 15:46:48 +0000
Subject: Add `svg_convertPngToBranded.sh'.



---

diff --git a/Scripts/Functions/Render/Svg/svg_convertPngToBranded.sh b/Scripts/Functions/Render/Svg/svg_convertPngToBranded.sh
new file mode 100755
index 0000000..d71ccf9
--- /dev/null
+++ b/Scripts/Functions/Render/Svg/svg_convertPngToBranded.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+#
+# svg_convertPngToBranded.sh -- This function standardizes image
+# branding. Once the base PNG image is rendered and the
+# `--with-brands' option is provided, this function composites a new
+# branded image using the preferences set in the `branding.conf' file.
+# The `branding.conf' file must be stored in the design model root
+# location used as reference to produce the base PNG image.
+#
+# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or (at
+# your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+# ----------------------------------------------------------------------
+# $Id$
+# ----------------------------------------------------------------------
+
+function svg_convertPngToBranded {
+
+    # Verify whether the option `--with-brands' was provided or not to
+    # `centos-art.sh' script command-line.
+    if [[ $FLAG_WITH_BRANDS == 'false' ]];then
+        return
+    fi
+
+    local BRANDING_CONF_FILE=''
+    local BRANDING_CONF_SECTION=''
+    local BRANDING_CONF_VALUES=''
+    local BRANDING_CONF_VALUE=''
+    local BRAND=''
+    local POSITION=''
+    local POSITIONS=''
+
+    # Define absolute path to branding configuration file.
+    BRANDING_CONF_FILE="$(cli_getRepoTLDir)/Identity/Models/Themes/${FLAG_THEME_MODEL}/branding.conf"
+
+    # Define regular expression matching the variable name (i.e., the
+    # left column), inside the configuration line, you want to match
+    # on.
+    BRANDING_CONF_VARNAME=$(echo $TEMPLATE | cut -d/ -f10-)
+
+    # Define list of configuration lines related to current design
+    # model. This are the lines that tell us how and where to apply
+    # branding information on base PNG image. Be sure that only
+    # configuration lines from supported section names (e.g.,
+    # `symbol', `type', `logo') be read, no need to waste resources
+    # with others.
+    BRANDING_CONF_VALUES=$(\
+        for BRANDING_CONF_SECTION in $(echo "types symbols logos");do
+            cli_getConfigValue "${BRANDING_CONF_FILE}" "${BRANDING_CONF_SECTION}" "${BRANDING_CONF_VARNAME}"
+        done)
+
+    for BRANDING_CONF_VALUE in $BRANDING_CONF_VALUES;do
+
+        # Define absolute path to image file used as brand. This is
+        # the image put over the PNG image produced as result of
+        # design models base rendition.
+        BRAND="$(cli_getRepoTLDir)/Identity/Images/Brands/$(echo $BRANDING_CONF_VALUE \
+            | gawk 'BEGIN{ FS=":" } { print $1 }')"
+
+        # Verify absolute path to image file used as brand. Assuming
+        # no brand image file is found, continue with the next
+        # configuration line.
+        if [[ ! -f $BRAND ]];then
+            continue
+        fi
+
+        # Define list of positions using the format of ImageMagick
+        # `-geometry' option argument. 
+        POSITIONS=$(echo "$BRANDING_CONF_VALUE" | cut -d: -f2- | tr ':' ' ')
+
+        # Loop through list of brand image positions and use the
+        # composite command from ImageMagick, to overlap brand image
+        # over unbranded image just rendered.
+        for POSITION in $POSITIONS;do
+            composite -geometry $POSITION $BRAND ${FILE}.png ${FILE}.png
+        done
+
+    done
+
+}