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Merge pull request #15 from spoonconsulting/remove-spectrum
remove spectrum
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package com.spoon.spectrum.utils; | ||
| /* | ||
| * Copyright (c) 2004-present, Facebook, Inc. | ||
| * | ||
| * This source code is licensed under the MIT license found in the LICENSE | ||
| * file in the root directory of this source tree. | ||
| * | ||
| */ | ||
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| import static java.lang.annotation.RetentionPolicy.CLASS; | ||
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| import java.lang.annotation.ElementType; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.Target; | ||
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| /** | ||
| * Add this annotation to a class, method, or field to instruct Proguard to not strip it out. | ||
| * | ||
| * <p>This is useful for methods called via reflection that could appear as unused to Proguard. | ||
| */ | ||
| @Target({ElementType.TYPE, ElementType.FIELD, ElementType.METHOD, ElementType.CONSTRUCTOR}) | ||
| @Retention(CLASS) | ||
| public @interface DoNotStrip {} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* | ||
| * Copyright (c) Facebook, Inc. and its affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
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| package com.spoon.spectrum.utils; | ||
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| import javax.annotation.concurrent.Immutable; | ||
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| /** Represents a rectangular area defined by its width and height. */ | ||
| @DoNotStrip | ||
| @Immutable | ||
| public class ImageSize { | ||
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| /** | ||
| * Setting to 2**16 as this is the smallest common denominator for all common image libraries that | ||
| * we are interested in. | ||
| */ | ||
| @DoNotStrip static final int MAX_IMAGE_SIDE_DIMENSION = 65536; | ||
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| /** The size's width. */ | ||
| @DoNotStrip public final int width; | ||
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| /** The size's height. */ | ||
| @DoNotStrip public final int height; | ||
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| /** | ||
| * Creates a new {@link ImageSize} | ||
| * | ||
| * @param width Must be within [0, {@link #MAX_IMAGE_SIDE_DIMENSION}] | ||
| * @param height Must be within [0, {@link #MAX_IMAGE_SIDE_DIMENSION}] | ||
| */ | ||
| @DoNotStrip | ||
| public ImageSize(final int width, final int height) { | ||
| Preconditions.checkArgument(width >= 0 && width <= MAX_IMAGE_SIDE_DIMENSION); | ||
| Preconditions.checkArgument(height >= 0 && height <= MAX_IMAGE_SIDE_DIMENSION); | ||
| this.width = width; | ||
| this.height = height; | ||
| } | ||
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| @Override | ||
| public boolean equals(final Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
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| final ImageSize that = (ImageSize) o; | ||
| return width == that.width && height == that.height; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| int result = width; | ||
| result = 31 * result + height; | ||
| return result; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "ImageSize{" + "width=" + width + ", height=" + height + '}'; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Copyright (c) Facebook, Inc. and its affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
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| package com.spoon.spectrum.utils; | ||
|
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| import androidx.annotation.Nullable; | ||
|
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| /** Light-weight implementation for Precondition checks. */ | ||
| public final class Preconditions { | ||
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| private Preconditions() {} | ||
|
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| /** | ||
| * Asserts that the given reference is not null. | ||
| * | ||
| * @param reference A reference that might be null | ||
| * @return reference if reference is not <code>null</code> | ||
| * @throws NullPointerException if the given reference is <code>null</code> | ||
| */ | ||
| public static <T> T checkNotNull(@Nullable final T reference) { | ||
| if (reference == null) { | ||
| throw new NullPointerException(); | ||
| } | ||
| return reference; | ||
| } | ||
|
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| /** | ||
| * Asserts that the given assertion about an argument is true. | ||
| * | ||
| * @param assertion The assertion to check | ||
| * @throws IllegalArgumentException if the given assertion is <code>false</code> | ||
| */ | ||
| public static void checkArgument(final boolean assertion) { | ||
| if (!assertion) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Asserts that the given assertion about a state is true. | ||
| * | ||
| * @param assertion The assertion to check | ||
| * @throws IllegalStateException if the given assertion is <code>false</code> | ||
| */ | ||
| public static void checkState(final boolean assertion) { | ||
| if (!assertion) { | ||
| throw new IllegalStateException(); | ||
| } | ||
| } | ||
| } |
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