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'''
Compares the rendererings of serialized SkPictures to expected images.
Launch with --help to see more information.
Copyright 2012 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
'''
# common Python modules
import os
import optparse
import sys
import shutil
import tempfile
import test_rendering
USAGE_STRING = 'Usage: %s input... expectedDir'
HELP_STRING = '''
Takes input SkPicture files and renders them as PDF files, and then compares
those resulting PDF files against PDF files found in expectedDir.
Each instance of "input" can be either a file (name must end in .skp), or a
directory (in which case this script will process all .skp files within the
directory).
'''
def Main(args):
"""Allow other scripts to call this script with fake command-line args.
@param The commandline argument list
"""
parser = optparse.OptionParser(USAGE_STRING % '%prog' + HELP_STRING)
parser.add_option('--render_dir', dest='render_dir',
help = ('specify the location to output the rendered '
'files. Default is a temp directory.'))
parser.add_option('--diff_dir', dest='diff_dir',
help = ('specify the location to output the diff files. '
'Default is a temp directory.'))
options, arguments = parser.parse_args(args)
if (len(arguments) < 3):
print("Expected at least one input and one ouput folder.")
parser.print_help()
sys.exit(-1)
inputs = arguments[1:-1]
expected_dir = arguments[-1]
test_rendering.TestRenderSkps(inputs, expected_dir, options.render_dir,
options.diff_dir, 'render_pdfs', '')
if __name__ == '__main__':
Main(sys.argv)
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