libs/ui/include/ui/BlurRegion.h

/*
 * Copyright 2020 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.
 */

#pragma once

#include <inttypes.h>
#include <iosfwd>
#include <iostream>

#include <math/HashCombine.h>

namespace android {

struct BlurRegion {
    uint32_t blurRadius;
    float cornerRadiusTL;
    float cornerRadiusTR;
    float cornerRadiusBL;
    float cornerRadiusBR;
    float alpha;
    int left;
    int top;
    int right;
    int bottom;

    inline bool operator==(const BlurRegion& other) const {
        return blurRadius == other.blurRadius && cornerRadiusTL == other.cornerRadiusTL &&
                cornerRadiusTR == other.cornerRadiusTR && cornerRadiusBL == other.cornerRadiusBL &&
                cornerRadiusBR == other.cornerRadiusBR && alpha == other.alpha &&
                left == other.left && top == other.top && right == other.right &&
                bottom == other.bottom;
    }

    inline bool operator!=(const BlurRegion& other) const { return !(*this == other); }
};

static inline void PrintTo(const BlurRegion& blurRegion, ::std::ostream* os) {
    *os << "BlurRegion {";
    *os << "\n    .blurRadius = " << blurRegion.blurRadius;
    *os << "\n    .cornerRadiusTL = " << blurRegion.cornerRadiusTL;
    *os << "\n    .cornerRadiusTR = " << blurRegion.cornerRadiusTR;
    *os << "\n    .cornerRadiusBL = " << blurRegion.cornerRadiusBL;
    *os << "\n    .cornerRadiusBR = " << blurRegion.cornerRadiusBR;
    *os << "\n    .alpha = " << blurRegion.alpha;
    *os << "\n    .left = " << blurRegion.left;
    *os << "\n    .top = " << blurRegion.top;
    *os << "\n    .right = " << blurRegion.right;
    *os << "\n    .bottom = " << blurRegion.bottom;
    *os << "\n}";
}

} // namespace android

namespace std {
template <>
struct hash<android::BlurRegion> {
    size_t operator()(const android::BlurRegion& region) const {
        return android::hashCombine(region.blurRadius, region.cornerRadiusTL, region.cornerRadiusTR,
                                    region.cornerRadiusBL, region.cornerRadiusBR, region.alpha,
                                    region.left, region.top, region.right, region.bottom);
    }
};
} // namespace std