| ''' |
| Copyright 2012 Google Inc. |
| |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| |
| Compares the rendererings of serialized SkPictures to expected result. |
| |
| TODO(epoger): We believe this script is no longer used, so we have disabled it |
| and will remove it on 1 Feb 2014 if nobody objects. |
| See https://code.google.com/p/skia/issues/detail?id=1943#c2 |
| ''' |
| # common Python modules |
| import os |
| import optparse |
| import sys |
| import shutil |
| import tempfile |
| |
| USAGE_STRING = 'Usage: %s input... expectedDir render_app [reander_app_args]' |
| HELP_STRING = ''' |
| |
| Compares the renderings of serialized SkPicture files and directories specified |
| by input with the files in expectedDir. Note, files in directoriers are |
| expected to end with .skp. |
| ''' |
| |
| def _DieBecauseDeprecated(): |
| print ('We believe this script is no longer used, so we have disabled it ' |
| 'and will remove it on 1 Feb 2014 if nobody objects. See ' |
| 'https://code.google.com/p/skia/issues/detail?id=1943#c2') |
| sys.exit(-1) |
| |
| def RunCommand(command): |
| """Run a command. |
| |
| @param command the command as a single string |
| """ |
| _DieBecauseDeprecated() |
| print 'running command [%s]...' % command |
| os.system(command) |
| |
| |
| def FindPathToProgram(program): |
| """Return path to an existing program binary, or raise an exception if we |
| cannot find one. |
| |
| @param program the name of the program that is being looked for |
| """ |
| _DieBecauseDeprecated() |
| trunk_path = os.path.abspath(os.path.join(os.path.dirname(__file__), |
| os.pardir)) |
| possible_paths = [os.path.join(trunk_path, 'out', 'Release', program), |
| os.path.join(trunk_path, 'out', 'Debug', program), |
| os.path.join(trunk_path, 'out', 'Release', |
| program + ".exe"), |
| os.path.join(trunk_path, 'out', 'Debug', |
| program + ".exe")] |
| for try_path in possible_paths: |
| if os.path.isfile(try_path): |
| return try_path |
| raise Exception('cannot find %s in paths %s; maybe you need to ' |
| 'build %s?' % (program, possible_paths, program)) |
| |
| |
| def RenderSkps(inputs, render_dir, render_app, args): |
| """Renders the serialized SkPictures. |
| |
| Uses the render_pictures program to do the rendering. |
| |
| @param inputs the location(s) to read the serlialized SkPictures |
| @param render_dir the location to write out the rendered images |
| """ |
| _DieBecauseDeprecated() |
| renderer_path = FindPathToProgram(render_app) |
| inputs_as_string = " ".join(inputs) |
| command = '%s %s %s' % (renderer_path, inputs_as_string, render_dir) |
| |
| command += args |
| |
| RunCommand(command) |
| |
| |
| def DiffRenderings(expected_dir, comparison_dir, diff_dir): |
| """Diffs the rendered SkPicture files with the baseline files. |
| |
| Uses the skdiff program to do the diffing. |
| |
| @param expected_dir the location of the baseline images. |
| @param comparison_dir the location of the images to comapre with the |
| baseline |
| @param diff_dir the location to write out the diff results |
| """ |
| _DieBecauseDeprecated() |
| skdiff_path = FindPathToProgram('skdiff') |
| RunCommand('%s %s %s %s %s' % |
| (skdiff_path, expected_dir, comparison_dir, diff_dir, |
| '--noprintdirs')) |
| |
| |
| def Cleanup(render_dir_option, diff_dir_option, render_dir, diff_dir): |
| """Deletes any temporary folders and files created. |
| |
| @param foo_option The OptionParser parsed render_dir or diff_dir vars. |
| If these variables are not passed by user we ended up creating |
| temporary directories (render_dir, diff_dir) which we will remove. |
| @param render_dir the directory where the rendered images were written |
| @param diff_dir the directory where the diff results were written |
| """ |
| _DieBecauseDeprecated() |
| if (not render_dir_option): |
| if (os.path.isdir(render_dir)): |
| shutil.rmtree(render_dir) |
| if (not diff_dir_option): |
| if (os.path.isdir(diff_dir)): |
| shutil.rmtree(diff_dir) |
| |
| def TestRenderSkps(inputs, expected_dir, render_dir_option, diff_dir_option, |
| render_app, render_args): |
| _DieBecauseDeprecated() |
| if (render_dir_option): |
| render_dir = render_dir_option |
| else: |
| render_dir = tempfile.mkdtemp() |
| |
| if (diff_dir_option): |
| diff_dir = diff_dir_option |
| else: |
| diff_dir = tempfile.mkdtemp() |
| try: |
| RenderSkps(inputs, render_dir, render_app, render_args) |
| DiffRenderings(expected_dir, render_dir, diff_dir) |
| finally: |
| Cleanup(render_dir_option, diff_dir_option, render_dir, diff_dir) |