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/*
* Copyright 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.camera2.params;
import android.hardware.camera2.utils.HashCodeHelpers;
/**
* Immutable class to store an input configuration that is used to create a reprocessable capture
* session.
*
* @see android.hardware.camera2.CameraDevice#createReprocessableCaptureSession
* @see android.hardware.camera2.CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP
*/
public final class InputConfiguration {
private final int mWidth;
private final int mHeight;
private final int mFormat;
/**
* Create an input configration with the width, height, and user-defined format.
*
* <p>Images of an user-defined format are accessible by applications. Use
* {@link android.hardware.camera2.CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP}
* to query supported input formats</p>
*
* @param width Width of the input buffers.
* @param height Height of the input buffers.
* @param format Format of the input buffers. One of ImageFormat or PixelFormat constants.
*
* @see android.graphics.ImageFormat
* @see android.graphics.PixelFormat
* @see android.hardware.camera2.CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP
*/
public InputConfiguration(int width, int height, int format) {
mWidth = width;
mHeight = height;
mFormat = format;
}
/**
* Get the width of this input configration.
*
* @return width of this input configuration.
*/
public int getWidth() {
return mWidth;
}
/**
* Get the height of this input configration.
*
* @return height of this input configuration.
*/
public int getHeight() {
return mHeight;
}
/**
* Get the format of this input configration.
*
* @return format of this input configuration.
*/
public int getFormat() {
return mFormat;
}
/**
* Check if this InputConfiguration is equal to another InputConfiguration.
*
* <p>Two input configurations are equal if and only if they have the same widths, heights, and
* formats.</p>
*
* @param obj the object to compare this instance with.
*
* @return {@code true} if the objects were equal, {@code false} otherwise.
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof InputConfiguration)) {
return false;
}
InputConfiguration otherInputConfig = (InputConfiguration) obj;
if (otherInputConfig.getWidth() == mWidth &&
otherInputConfig.getHeight() == mHeight &&
otherInputConfig.getFormat() == mFormat) {
return true;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return HashCodeHelpers.hashCode(mWidth, mHeight, mFormat);
}
/**
* Return this {@link InputConfiguration} as a string representation.
*
* <p> {@code "InputConfiguration(w:%d, h:%d, format:%d)"}, where {@code %d} represents
* the width, height, and format, respectively.</p>
*
* @return string representation of {@link InputConfiguration}
*/
@Override
public String toString() {
return String.format("InputConfiguration(w:%d, h:%d, format:%d)", mWidth, mHeight, mFormat);
}
}
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