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#!/bin/sh
#############################################################################
##
## Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
## Contact: http://www.qt-project.org/legal
##
## This file is part of Qt Creator.
##
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and Digia. For licensing terms and
## conditions see http://qt.digia.com/licensing. For further information
## use the contact form at http://qt.digia.com/contact-us.
##
## GNU Lesser General Public License Usage
## Alternatively, this file may be used under the terms of the GNU Lesser
## General Public License version 2.1 as published by the Free Software
## Foundation and appearing in the file LICENSE.LGPL included in the
## packaging of this file. Please review the following information to
## ensure the GNU Lesser General Public License version 2.1 requirements
## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, Digia gives you certain additional
## rights. These rights are described in the Digia Qt LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
#############################################################################
# This script calls Inkscape to rasterize several images into png files.
# The images end up in the final position of the source tree.
# Each images is generated as normal and high resolution variant.
# Each png file is afterwards optimized with optipng.
cd `dirname $0`
# QTC_SRC is expected to point to the source root of Qt Creator
if [ -z "$QTC_SRC" ]; then
QTC_SRC=$(cd ../../..; pwd)
fi
# Inkscape is required by this script
if ! hash inkscape 2>/dev/null; then
echo "Inkscape was not found in PATH" >&2
exit 1
fi
# The svg element IDs of images to export. They correspond to the
# path and base name of each image in the Qt Creator sources.
ids=$(sed -n 's,^[[:space:]]*id="\(src/[^"]*\)".*$,\1,p' qtcreatoricons.svg)
# The shell mode of Inkscape is used to execute several export commands
# with one launch of Inkscape. The commands are first all written into a
# file "inkscape_commands" and then piped into Inkscape's shell.
for i in $ids; do
# The normal resolution (default = 90 dpi)
echo "qtcreatoricons.svg --export-id=$i --export-id-only --export-png=$QTC_SRC/$i.png"
# The "@2x" resolution
echo "qtcreatoricons.svg --export-id=$i --export-id-only --export-png=$QTC_SRC/$i@2x.png --export-dpi=180"
done | inkscape --shell
if hash optipng 2>/dev/null; then
# Optimizing pngs via optipng
for i in $ids; do
optipng -o7 -strip "all" $QTC_SRC/$i.png
optipng -o7 -strip "all" $QTC_SRC/$i@2x.png
done
else
echo "optipng was not found in PATH. Please do not push the unoptimized .pngs to the main repository." >&2
fi
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