testing.tools.pngdiffer.PNGDiffer Class Reference

Collaboration diagram for testing.tools.pngdiffer.PNGDiffer:

Public Member Functions
	__init__ (self, finder, reverse_byte_order, rendering_option, default_renderer)
	CheckMissingTools (self, regenerate_expected)
	GetActualFiles (self, input_filename, source_dir, working_dir)
	ComputeDifferences (self, input_filename, source_dir, working_dir, image_matching_algorithm)
	Regenerate (self, input_filename, source_dir, working_dir, image_matching_algorithm)

Public Attributes
	pdfium_diff_path = finder.ExecutablePath('pdfium_diff')
	os_name = finder.os_name
	reverse_byte_order = reverse_byte_order
	suffix_order = None

Protected Member Functions
	_RunCommand (self, cmd)
	_RunImageCompareCommand (self, image_diff, image_matching_algorithm)
	_RunImageDiffCommand (self, image_diff)

Detailed Description

Definition at line 44 of file pngdiffer.py.

Constructor & Destructor Documentation

__init__()

testing.tools.pngdiffer.PNGDiffer.__init__	(		self,
			finder,
			reverse_byte_order,
			rendering_option,
			default_renderer )

Definition at line 46 of file pngdiffer.py.

Member Function Documentation

_RunCommand()

testing.tools.pngdiffer.PNGDiffer._RunCommand ( self, cmd )

protected

Definition at line 84 of file pngdiffer.py.

Referenced by _RunImageCompareCommand(), _RunImageDiffCommand(), and Regenerate().

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_RunImageCompareCommand()

testing.tools.pngdiffer.PNGDiffer._RunImageCompareCommand ( self, image_diff, image_matching_algorithm )

protected

Definition at line 91 of file pngdiffer.py.

References _RunCommand(), pdfium_diff_path, Options.reverse_byte_order, and reverse_byte_order.

Referenced by ComputeDifferences(), and Regenerate().

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_RunImageDiffCommand()

testing.tools.pngdiffer.PNGDiffer._RunImageDiffCommand ( self, image_diff )

protected

Definition at line 100 of file pngdiffer.py.

References _RunCommand(), and pdfium_diff_path.

Referenced by ComputeDifferences().

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CheckMissingTools()

testing.tools.pngdiffer.PNGDiffer.CheckMissingTools	(		self,
			regenerate_expected )

Definition at line 66 of file pngdiffer.py.

ComputeDifferences()

testing.tools.pngdiffer.PNGDiffer.ComputeDifferences	(		self,
			input_filename,
			source_dir,
			working_dir,
			image_matching_algorithm )

Computes differences between actual and expected image files.

Returns:
  A list of `ImageDiff` instances, one per differing page.

Definition at line 107 of file pngdiffer.py.

References _RunImageCompareCommand(), _RunImageDiffCommand(), testing.tools.common.DirectoryFinder.os_name, os_name, print(), str, and suffix_order.

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GetActualFiles()

testing.tools.pngdiffer.PNGDiffer.GetActualFiles	(		self,
			input_filename,
			source_dir,
			working_dir )

Definition at line 71 of file pngdiffer.py.

References testing.tools.common.DirectoryFinder.os_name, os_name, and suffix_order.

Regenerate()

testing.tools.pngdiffer.PNGDiffer.Regenerate	(		self,
			input_filename,
			source_dir,
			working_dir,
			image_matching_algorithm )

Definition at line 157 of file pngdiffer.py.

References _RunCommand(), _RunImageCompareCommand(), testing.tools.common.DirectoryFinder.os_name, os_name, print(), and suffix_order.

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Member Data Documentation

os_name

testing.tools.pngdiffer.PNGDiffer.os_name = finder.os_name

Definition at line 49 of file pngdiffer.py.

Referenced by ComputeDifferences(), GetActualFiles(), and Regenerate().

pdfium_diff_path

testing.tools.pngdiffer.PNGDiffer.pdfium_diff_path = finder.ExecutablePath('pdfium_diff')

Definition at line 48 of file pngdiffer.py.

Referenced by _RunImageCompareCommand(), and _RunImageDiffCommand().

reverse_byte_order

testing.tools.pngdiffer.PNGDiffer.reverse_byte_order = reverse_byte_order

Definition at line 50 of file pngdiffer.py.

Referenced by _RunImageCompareCommand().

suffix_order

testing.tools.pngdiffer.PNGDiffer.suffix_order = None

Definition at line 52 of file pngdiffer.py.

Referenced by ComputeDifferences(), GetActualFiles(), and Regenerate().

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The documentation for this class was generated from the following file:

• qtwebengine/src/3rdparty/chromium/third_party/pdfium/testing/tools/pngdiffer.py (ada9ddbf8c604585ac344b72f7bb63ac27c84726)