1 ''' 2 Compares the rendererings of serialized SkPictures to expected images. 3 4 Launch with --help to see more information. 5 6 7 Copyright 2012 Google Inc. 8 9 Use of this source code is governed by a BSD-style license that can be 10 found in the LICENSE file. 11 ''' 12 # common Python modules 13 import os 14 import optparse 15 import sys 16 import shutil 17 import tempfile 18 19 # modules declared within this same directory 20 import test_rendering 21 22 USAGE_STRING = 'Usage: %s input... expectedDir' 23 HELP_STRING = ''' 24 25 Takes input SkPicture files and renders them as PNG files, and then compares 26 those resulting PNG files against PNG files found in expectedDir. 27 28 Each instance of "input" can be either a file (name must end in .skp), or a 29 directory (in which case this script will process all .skp files within the 30 directory). 31 ''' 32 33 def ModeParse(option, opt_str, value, parser): 34 """Parses the --mode option of the commandline. 35 36 The --mode option will either take in three parameters (if tile or 37 pow2tile) or a single parameter (otherwise). 38 """ 39 result = [value] 40 if value == "tile": 41 if (len(parser.rargs) < 2): 42 raise optparse.OptionValueError(("--mode tile mising width" 43 " and/or height parameters")) 44 result.extend(parser.rargs[:2]) 45 del parser.rargs[:2] 46 elif value == "pow2tile": 47 if (len(parser.rargs) < 2): 48 raise optparse.OptionValueError(("--mode pow2tile mising minWidth" 49 " and/or height parameters")) 50 result.extend(parser.rargs[:2]) 51 del parser.rargs[:2] 52 53 setattr(parser.values, option.dest, result) 54 55 56 def Main(args): 57 """Allow other scripts to call this script with fake command-line args. 58 59 @param The commandline argument list 60 """ 61 parser = optparse.OptionParser(USAGE_STRING % '%prog' + HELP_STRING) 62 parser.add_option('--render_dir', dest='render_dir', 63 help = ("specify the location to output the rendered files." 64 " Default is a temp directory.")) 65 parser.add_option('--diff_dir', dest='diff_dir', 66 help = ("specify the location to output the diff files." 67 " Default is a temp directory.")) 68 parser.add_option('--mode', dest='mode', type='string', 69 action="callback", callback=ModeParse, 70 help = ("specify how rendering is to be done.")) 71 parser.add_option('--device', dest='device', 72 help = ("specify the device to render to.")) 73 74 options, arguments = parser.parse_args(args) 75 76 if (len(arguments) < 3): 77 print("Expected at least one input and one ouput folder.") 78 parser.print_help() 79 sys.exit(-1) 80 81 inputs = arguments[1:-1] 82 expected_dir = arguments[-1] 83 84 extra_args = '' 85 86 if (options.mode is not None): 87 extra_args += ' --mode %s' % ' '.join(options.mode) 88 89 if (options.device is not None): 90 extra_args += ' --device %s' % options.device 91 92 test_rendering.TestRenderSkps(inputs, expected_dir, options.render_dir, 93 options.diff_dir, 'render_pictures', 94 extra_args) 95 96 if __name__ == '__main__': 97 Main(sys.argv) 98
