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#!/usr/bin/env python
############################################################################
#
# Copyright (C) 2016 The Qt Company Ltd.
# Contact: https://www.qt.io/licensing/
#
# 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 The Qt Company. For licensing terms
# and conditions see https://www.qt.io/terms-conditions. For further
# information use the contact form at https://www.qt.io/contact-us.
#
# GNU General Public License Usage
# Alternatively, this file may be used under the terms of the GNU
# General Public License version 3 as published by the Free Software
# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
# included in the packaging of this file. Please review the following
# information to ensure the GNU General Public License requirements will
# be met: https://www.gnu.org/licenses/gpl-3.0.html.
#
############################################################################
# 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.
import sys, os, subprocess, re, xml.etree.ElementTree as ET
from distutils import spawn
scriptDir = os.path.dirname(os.path.abspath(sys.argv[0])) + '/'
# QTC_SRC is expected to point to the source root of Qt Creator
qtcSourceRoot = os.getenv('QTC_SRC', os.path.abspath(scriptDir + '../../..')) \
.replace('\\', '/') + '/'
svgElementFilter = ""
if len(sys.argv) > 1:
svgElementFilter = sys.argv[1]
# Inkscape is required by this script
inkscapeExecutable = spawn.find_executable("inkscape")
if not inkscapeExecutable:
sys.stderr.write("Inkscape was not found in PATH\n")
sys.exit(1)
# The svg element IDs of images to export. They correspond to the
# path and base name of each image in the Qt Creator sources.
svgIDs = []
svgTree = ET.ElementTree()
svgTree.parse(scriptDir + "qtcreatoricons.svg")
svgTreeRoot = svgTree.getroot()
for svgElement in svgTreeRoot.iter():
try:
svgElementID = svgElement.attrib['id']
if svgElementID.startswith(('src/', 'share/')):
if svgElementFilter != "":
pattern = re.compile(svgElementFilter)
if pattern.match(svgElementID):
svgIDs.append(svgElementID)
else:
svgIDs.append(svgElementID)
except:
pass
for id in svgIDs:
pngFile = qtcSourceRoot + id + ".png"
pngAt2XFile = qtcSourceRoot + id + "@2x.png"
if not (os.path.isfile(pngFile) or os.path.isfile(pngAt2XFile)):
sys.stderr.write(id + " has not yet been exported as .png.\n")
# The shell mode of Inkscape is used to execute several export commands
# with one launch of Inkscape.
inkscapeShellCommands = ""
pngFiles = []
for id in svgIDs:
for scale in [1, 2]:
pngFile = qtcSourceRoot + id + ("" if scale is 1 else "@%dx" % scale) + ".png"
pngFiles.append(pngFile)
inkscapeShellCommands += "qtcreatoricons.svg --export-id=" + id + " --export-id-only --export-png=" + pngFile + " --export-dpi=%d\n" % (scale * 96)
inkscapeShellCommands += "quit\n"
inkscapeProcess = subprocess.Popen(['inkscape', '--shell'], stdin=subprocess.PIPE, shell=True, cwd=scriptDir)
inkscapeProcess.communicate(input=inkscapeShellCommands.encode())
# Optimizing pngs via optipng
optipngExecutable = spawn.find_executable("optipng")
if not optipngExecutable:
sys.stderr.write("optipng was not found in PATH. Please do not push the unoptimized .pngs to the main repository.\n")
else:
for pngFile in pngFiles:
subprocess.call(["optipng", "-o7", "-strip", "all", pngFile])
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