Index: tools/telemetry/telemetry/util/image_util.py |
diff --git a/tools/telemetry/telemetry/util/image_util.py b/tools/telemetry/telemetry/util/image_util.py |
deleted file mode 100644 |
index 809dc57db60e741d1d75da6c9d0e70c79326af91..0000000000000000000000000000000000000000 |
--- a/tools/telemetry/telemetry/util/image_util.py |
+++ /dev/null |
@@ -1,121 +0,0 @@ |
-# Copyright 2014 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. |
- |
-"""Provides implementations of basic image processing functions. |
- |
-Implements basic image processing functions, such as reading/writing images, |
-cropping, finding the bounding box of a color and diffing images. |
- |
-When numpy is present, image_util_numpy_impl is used for the implementation of |
-this interface. The old bitmap implementation (image_util_bitmap_impl) is used |
-as a fallback when numpy is not present.""" |
- |
-import base64 |
- |
-from telemetry.internal.util import external_modules |
- |
-np = external_modules.ImportOptionalModule('numpy') |
- |
-if np is None: |
- from telemetry.internal.image_processing import image_util_bitmap_impl |
- impl = image_util_bitmap_impl |
-else: |
- from telemetry.internal.image_processing import image_util_numpy_impl |
- impl = image_util_numpy_impl |
- |
- |
-def Channels(image): |
- """Number of color channels in the image.""" |
- return impl.Channels(image) |
- |
-def Width(image): |
- """Width of the image.""" |
- return impl.Width(image) |
- |
-def Height(image): |
- """Height of the image.""" |
- return impl.Height(image) |
- |
-def Pixels(image): |
- """Flat RGB pixel array of the image.""" |
- return impl.Pixels(image) |
- |
-def GetPixelColor(image, x, y): |
- """Returns a RgbaColor for the pixel at (x, y).""" |
- return impl.GetPixelColor(image, x, y) |
- |
-def WritePngFile(image, path): |
- """Write an image to a PNG file. |
- |
- Args: |
- image: an image object. |
- path: The path to the PNG file. Must end in 'png' or an |
- AssertionError will be raised.""" |
- assert path.endswith('png') |
- return impl.WritePngFile(image, path) |
- |
-def FromRGBPixels(width, height, pixels, bpp=3): |
- """Create an image from an array of rgb pixels. |
- |
- Ignores alpha channel if present. |
- |
- Args: |
- width, height: int, the width and height of the image. |
- pixels: The flat array of pixels in the form of [r,g,b[,a],r,g,b[,a],...] |
- bpp: 3 for RGB, 4 for RGBA.""" |
- return impl.FromRGBPixels(width, height, pixels, bpp) |
- |
-def FromPng(png_data): |
- """Create an image from raw PNG data.""" |
- return impl.FromPng(png_data) |
- |
-def FromPngFile(path): |
- """Create an image from a PNG file. |
- |
- Args: |
- path: The path to the PNG file.""" |
- return impl.FromPngFile(path) |
- |
-def FromBase64Png(base64_png): |
- """Create an image from raw PNG data encoded in base64.""" |
- return FromPng(base64.b64decode(base64_png)) |
- |
-def AreEqual(image1, image2, tolerance=0, likely_equal=True): |
- """Determines whether two images are identical within a given tolerance. |
- Setting likely_equal to False enables short-circuit equality testing, which |
- is about 2-3x slower for equal images, but can be image height times faster |
- if the images are not equal.""" |
- return impl.AreEqual(image1, image2, tolerance, likely_equal) |
- |
-def Diff(image1, image2): |
- """Returns a new image that represents the difference between this image |
- and another image.""" |
- return impl.Diff(image1, image2) |
- |
-def GetBoundingBox(image, color, tolerance=0): |
- """Finds the minimum box surrounding all occurrences of bgr |color|. |
- |
- Ignores the alpha channel. |
- |
- Args: |
- color: RbgaColor, bounding box color. |
- tolerance: int, per-channel tolerance for the bounding box color. |
- |
- Returns: |
- (top, left, width, height), match_count""" |
- return impl.GetBoundingBox(image, color, tolerance) |
- |
-def Crop(image, left, top, width, height): |
- """Crops the current image down to the specified box.""" |
- return impl.Crop(image, left, top, width, height) |
- |
-def GetColorHistogram(image, ignore_color=None, tolerance=0): |
- """Computes a histogram of the pixel colors in this image. |
- Args: |
- ignore_color: An RgbaColor to exclude from the bucket counts. |
- tolerance: A tolerance for the ignore_color. |
- |
- Returns: |
- A ColorHistogram namedtuple with 256 integers in each field: r, g, and b.""" |
- return impl.GetColorHistogram(image, ignore_color, tolerance) |