[Telemetry] Migrate bitmap.py from bitmaptools.cc to numpy

tools/telemetry/telemetry/core/bitmap_unittest.py

Index: tools/telemetry/telemetry/core/bitmap_unittest.py
diff --git a/tools/telemetry/telemetry/core/bitmap_unittest.py b/tools/telemetry/telemetry/core/bitmap_unittest.py
deleted file mode 100644
index 9d3c25a2e54da5668c88d16373c0b8273d03b627..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/bitmap_unittest.py
+++ /dev/null
@@ -1,239 +0,0 @@
-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import os
-import tempfile
-import unittest
-
-from telemetry import decorators
-from telemetry.core import bitmap
-from telemetry.core import util
-
-# This is a simple base64 encoded 2x2 PNG which contains, in order, a single
-# Red, Yellow, Blue, and Green pixel.
-test_png = """
-iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91
-JpzAAAAAXNSR0IArs4c6QAAAAlwSFlzAAALEwAACx
-MBAJqcGAAAABZJREFUCNdj/M/AwPCfgYGB4T/DfwY
-AHAAD/iOWZXsAAAAASUVORK5CYII=
-"""
-test_png_path = os.path.join(util.GetUnittestDataDir(), 'test_png.png')
-test_png_2_path = os.path.join(util.GetUnittestDataDir(), 'test_png_2.png')
-
-
-class HistogramDistanceTest(unittest.TestCase):
-  def testNoData(self):
-    hist1 = []
-    hist2 = []
-    self.assertRaises(
-        ValueError, lambda: bitmap.HistogramDistance(hist1, hist2))
-
-    hist1 = [0, 0, 0]
-    hist2 = [0, 0, 0]
-    self.assertRaises(
-        ValueError, lambda: bitmap.HistogramDistance(hist1, hist2))
-
-  def testWrongSizes(self):
-    hist1 = [1]
-    hist2 = [1, 0]
-    self.assertRaises(
-        ValueError, lambda: bitmap.HistogramDistance(hist1, hist2))
-
-  def testNoDistance(self):
-    hist1 = [2, 4, 1, 8, 0, -1]
-    hist2 = [2, 4, 1, 8, 0, -1]
-    self.assertEqual(bitmap.HistogramDistance(hist1, hist2), 0)
-
-  def testNormalizeCounts(self):
-    hist1 = [0, 0, 1, 0, 0]
-    hist2 = [0, 0, 0, 0, 7]
-    self.assertEqual(bitmap.HistogramDistance(hist1, hist2), 2)
-    self.assertEqual(bitmap.HistogramDistance(hist2, hist1), 2)
-
-  def testDistance(self):
-    hist1 = [2, 0, 1, 3, 4]
-    hist2 = [3, 1, 2, 4, 0]
-    self.assertEqual(bitmap.HistogramDistance(hist1, hist2), 1)
-    self.assertEqual(bitmap.HistogramDistance(hist2, hist1), 1)
-
-    hist1 = [0, 1, 3, 1]
-    hist2 = [2, 2, 1, 0]
-    self.assertEqual(bitmap.HistogramDistance(hist1, hist2), 1.2)
-    self.assertEqual(bitmap.HistogramDistance(hist2, hist1), 1.2)
-
-
-class BitmapTest(unittest.TestCase):
-
-  # pylint: disable=C0324
-
-  def testReadFromBase64Png(self):
-    bmp = bitmap.Bitmap.FromBase64Png(test_png)
-
-    self.assertEquals(2, bmp.width)
-    self.assertEquals(2, bmp.height)
-
-    bmp.GetPixelColor(0, 0).AssertIsRGB(255, 0, 0)
-    bmp.GetPixelColor(1, 1).AssertIsRGB(0, 255, 0)
-    bmp.GetPixelColor(0, 1).AssertIsRGB(0, 0, 255)
-    bmp.GetPixelColor(1, 0).AssertIsRGB(255, 255, 0)
-
-  def testReadFromPngFile(self):
-    file_bmp = bitmap.Bitmap.FromPngFile(test_png_path)
-
-    self.assertEquals(2, file_bmp.width)
-    self.assertEquals(2, file_bmp.height)
-
-    file_bmp.GetPixelColor(0, 0).AssertIsRGB(255, 0, 0)
-    file_bmp.GetPixelColor(1, 1).AssertIsRGB(0, 255, 0)
-    file_bmp.GetPixelColor(0, 1).AssertIsRGB(0, 0, 255)
-    file_bmp.GetPixelColor(1, 0).AssertIsRGB(255, 255, 0)
-
-  def testWritePngToPngFile(self):
-    orig = bitmap.Bitmap.FromPngFile(test_png_path)
-    temp_file = tempfile.NamedTemporaryFile().name
-    orig.WritePngFile(temp_file)
-    new_file = bitmap.Bitmap.FromPngFile(temp_file)
-    self.assertTrue(orig.IsEqual(new_file))
-
-  @decorators.Disabled
-  def testWriteCroppedBmpToPngFile(self):
-    pixels = [255,0,0, 255,255,0, 0,0,0,
-              255,255,0, 0,255,0, 0,0,0]
-    orig = bitmap.Bitmap(3, 3, 2, pixels)
-    orig.Crop(0, 0, 2, 2)
-    temp_file = tempfile.NamedTemporaryFile().name
-    orig.WritePngFile(temp_file)
-    new_file = bitmap.Bitmap.FromPngFile(temp_file)
-    self.assertTrue(orig.IsEqual(new_file))
-
-  def testIsEqual(self):
-    bmp = bitmap.Bitmap.FromBase64Png(test_png)
-    file_bmp = bitmap.Bitmap.FromPngFile(test_png_path)
-    self.assertTrue(bmp.IsEqual(file_bmp))
-
-  def testDiff(self):
-    file_bmp = bitmap.Bitmap.FromPngFile(test_png_path)
-    file_bmp_2 = bitmap.Bitmap.FromPngFile(test_png_2_path)
-
-    diff_bmp = file_bmp.Diff(file_bmp)
-
-    self.assertEquals(2, diff_bmp.width)
-    self.assertEquals(2, diff_bmp.height)
-
-    diff_bmp.GetPixelColor(0, 0).AssertIsRGB(0, 0, 0)
-    diff_bmp.GetPixelColor(1, 1).AssertIsRGB(0, 0, 0)
-    diff_bmp.GetPixelColor(0, 1).AssertIsRGB(0, 0, 0)
-    diff_bmp.GetPixelColor(1, 0).AssertIsRGB(0, 0, 0)
-
-    diff_bmp = file_bmp.Diff(file_bmp_2)
-
-    self.assertEquals(3, diff_bmp.width)
-    self.assertEquals(3, diff_bmp.height)
-
-    diff_bmp.GetPixelColor(0, 0).AssertIsRGB(0, 255, 255)
-    diff_bmp.GetPixelColor(1, 1).AssertIsRGB(255, 0, 255)
-    diff_bmp.GetPixelColor(0, 1).AssertIsRGB(255, 255, 0)
-    diff_bmp.GetPixelColor(1, 0).AssertIsRGB(0, 0, 255)
-
-    diff_bmp.GetPixelColor(0, 2).AssertIsRGB(255, 255, 255)
-    diff_bmp.GetPixelColor(1, 2).AssertIsRGB(255, 255, 255)
-    diff_bmp.GetPixelColor(2, 0).AssertIsRGB(255, 255, 255)
-    diff_bmp.GetPixelColor(2, 1).AssertIsRGB(255, 255, 255)
-    diff_bmp.GetPixelColor(2, 2).AssertIsRGB(255, 255, 255)
-
-  @decorators.Disabled
-  def testGetBoundingBox(self):
-    pixels = [0,0,0, 0,0,0, 0,0,0, 0,0,0,
-              0,0,0, 1,0,0, 1,0,0, 0,0,0,
-              0,0,0, 0,0,0, 0,0,0, 0,0,0]
-    bmp = bitmap.Bitmap(3, 4, 3, pixels)
-    box, count = bmp.GetBoundingBox(bitmap.RgbaColor(1, 0, 0))
-    self.assertEquals(box, (1, 1, 2, 1))
-    self.assertEquals(count, 2)
-
-    box, count = bmp.GetBoundingBox(bitmap.RgbaColor(0, 1, 0))
-    self.assertEquals(box, None)
-    self.assertEquals(count, 0)
-
-  @decorators.Disabled
-  def testCrop(self):
-    pixels = [0,0,0, 1,0,0, 2,0,0, 3,0,0,
-              0,1,0, 1,1,0, 2,1,0, 3,1,0,
-              0,2,0, 1,2,0, 2,2,0, 3,2,0]
-    bmp = bitmap.Bitmap(3, 4, 3, pixels)
-    bmp.Crop(1, 2, 2, 1)
-
-    self.assertEquals(bmp.width, 2)
-    self.assertEquals(bmp.height, 1)
-    bmp.GetPixelColor(0, 0).AssertIsRGB(1, 2, 0)
-    bmp.GetPixelColor(1, 0).AssertIsRGB(2, 2, 0)
-    self.assertEquals(bmp.pixels, bytearray([1,2,0, 2,2,0]))
-
-  @decorators.Disabled
-  def testHistogram(self):
-    pixels = [1,2,3, 1,2,3, 1,2,3, 1,2,3,
-              1,2,3, 8,7,6, 5,4,6, 1,2,3,
-              1,2,3, 8,7,6, 5,4,6, 1,2,3]
-    bmp = bitmap.Bitmap(3, 4, 3, pixels)
-    bmp.Crop(1, 1, 2, 2)
-
-    histogram = bmp.ColorHistogram()
-    for i in xrange(3):
-      self.assertEquals(sum(histogram[i]), bmp.width * bmp.height)
-    self.assertEquals(histogram.r[1], 0)
-    self.assertEquals(histogram.r[5], 2)
-    self.assertEquals(histogram.r[8], 2)
-    self.assertEquals(histogram.g[2], 0)
-    self.assertEquals(histogram.g[4], 2)
-    self.assertEquals(histogram.g[7], 2)
-    self.assertEquals(histogram.b[3], 0)
-    self.assertEquals(histogram.b[6], 4)
-
-  @decorators.Disabled
-  def testHistogramIgnoreColor(self):
-    pixels = [1,2,3, 1,2,3, 1,2,3, 1,2,3,
-              1,2,3, 8,7,6, 5,4,6, 1,2,3,
-              1,2,3, 8,7,6, 5,4,6, 1,2,3]
-    bmp = bitmap.Bitmap(3, 4, 3, pixels)
-
-    histogram = bmp.ColorHistogram(ignore_color=bitmap.RgbaColor(1, 2, 3))
-    self.assertEquals(histogram.r[1], 0)
-    self.assertEquals(histogram.r[5], 2)
-    self.assertEquals(histogram.r[8], 2)
-    self.assertEquals(histogram.g[2], 0)
-    self.assertEquals(histogram.g[4], 2)
-    self.assertEquals(histogram.g[7], 2)
-    self.assertEquals(histogram.b[3], 0)
-    self.assertEquals(histogram.b[6], 4)
-
-  @decorators.Disabled
-  def testHistogramIgnoreColorTolerance(self):
-    pixels = [1,2,3, 4,5,6,
-              7,8,9, 8,7,6]
-    bmp = bitmap.Bitmap(3, 2, 2, pixels)
-
-    histogram = bmp.ColorHistogram(ignore_color=bitmap.RgbaColor(0, 1, 2),
-                                   tolerance=1)
-    self.assertEquals(histogram.r[1], 0)
-    self.assertEquals(histogram.r[4], 1)
-    self.assertEquals(histogram.r[7], 1)
-    self.assertEquals(histogram.r[8], 1)
-    self.assertEquals(histogram.g[2], 0)
-    self.assertEquals(histogram.g[5], 1)
-    self.assertEquals(histogram.g[7], 1)
-    self.assertEquals(histogram.g[8], 1)
-    self.assertEquals(histogram.b[3], 0)
-    self.assertEquals(histogram.b[6], 2)
-    self.assertEquals(histogram.b[9], 1)
-
-  @decorators.Disabled
-  def testHistogramDistanceIgnoreColor(self):
-    pixels = [1,2,3, 1,2,3,
-              1,2,3, 1,2,3]
-    bmp = bitmap.Bitmap(3, 2, 2, pixels)
-
-    hist1 = bmp.ColorHistogram(ignore_color=bitmap.RgbaColor(1, 2, 3))
-    hist2 = bmp.ColorHistogram()
-
-    self.assertEquals(hist1.Distance(hist2), 0)