| Prabir Pradhan | 48f8cb9 | 2021-08-26 14:05:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2021 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "DisplayInfo" |
| 18 | |
| 19 | #include <binder/Parcel.h> |
| 20 | #include <gui/DisplayInfo.h> |
| 21 | #include <private/gui/ParcelUtils.h> |
| 22 | |
| 23 | #include <log/log.h> |
| 24 | |
| 25 | namespace android::gui { |
| 26 | |
| 27 | // --- DisplayInfo --- |
| 28 | |
| 29 | status_t DisplayInfo::readFromParcel(const android::Parcel* parcel) { |
| 30 | if (parcel == nullptr) { |
| 31 | ALOGE("%s: Null parcel", __func__); |
| 32 | return BAD_VALUE; |
| 33 | } |
| 34 | |
| 35 | float dsdx, dtdx, tx, dtdy, dsdy, ty; |
| 36 | SAFE_PARCEL(parcel->readInt32, &displayId); |
| 37 | SAFE_PARCEL(parcel->readInt32, &logicalWidth); |
| 38 | SAFE_PARCEL(parcel->readInt32, &logicalHeight); |
| 39 | SAFE_PARCEL(parcel->readFloat, &dsdx); |
| 40 | SAFE_PARCEL(parcel->readFloat, &dtdx); |
| 41 | SAFE_PARCEL(parcel->readFloat, &tx); |
| 42 | SAFE_PARCEL(parcel->readFloat, &dtdy); |
| 43 | SAFE_PARCEL(parcel->readFloat, &dsdy); |
| 44 | SAFE_PARCEL(parcel->readFloat, &ty); |
| 45 | |
| 46 | transform.set({dsdx, dtdx, tx, dtdy, dsdy, ty, 0, 0, 1}); |
| 47 | |
| 48 | return OK; |
| 49 | } |
| 50 | |
| 51 | status_t DisplayInfo::writeToParcel(android::Parcel* parcel) const { |
| 52 | if (parcel == nullptr) { |
| 53 | ALOGE("%s: Null parcel", __func__); |
| 54 | return BAD_VALUE; |
| 55 | } |
| 56 | |
| 57 | SAFE_PARCEL(parcel->writeInt32, displayId); |
| 58 | SAFE_PARCEL(parcel->writeInt32, logicalWidth); |
| 59 | SAFE_PARCEL(parcel->writeInt32, logicalHeight); |
| 60 | SAFE_PARCEL(parcel->writeFloat, transform.dsdx()); |
| 61 | SAFE_PARCEL(parcel->writeFloat, transform.dtdx()); |
| 62 | SAFE_PARCEL(parcel->writeFloat, transform.tx()); |
| 63 | SAFE_PARCEL(parcel->writeFloat, transform.dtdy()); |
| 64 | SAFE_PARCEL(parcel->writeFloat, transform.dsdy()); |
| 65 | SAFE_PARCEL(parcel->writeFloat, transform.ty()); |
| 66 | |
| 67 | return OK; |
| 68 | } |
| 69 | |
| 70 | } // namespace android::gui |