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/*
* Copyright 2021 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.
*/
#define LOG_TAG "DisplayInfo"
#include <binder/Parcel.h>
#include <gui/DisplayInfo.h>
#include <private/gui/ParcelUtils.h>
#include <android-base/stringprintf.h>
#include <log/log.h>
#include <inttypes.h>
#define INDENT " "
namespace android::gui {
// --- DisplayInfo ---
status_t DisplayInfo::readFromParcel(const android::Parcel* parcel) {
if (parcel == nullptr) {
ALOGE("%s: Null parcel", __func__);
return BAD_VALUE;
}
int32_t displayIdInt;
float dsdx, dtdx, tx, dtdy, dsdy, ty;
SAFE_PARCEL(parcel->readInt32, &displayIdInt);
SAFE_PARCEL(parcel->readInt32, &logicalWidth);
SAFE_PARCEL(parcel->readInt32, &logicalHeight);
SAFE_PARCEL(parcel->readFloat, &dsdx);
SAFE_PARCEL(parcel->readFloat, &dtdx);
SAFE_PARCEL(parcel->readFloat, &tx);
SAFE_PARCEL(parcel->readFloat, &dtdy);
SAFE_PARCEL(parcel->readFloat, &dsdy);
SAFE_PARCEL(parcel->readFloat, &ty);
displayId = ui::LogicalDisplayId{displayIdInt};
transform.set({dsdx, dtdx, tx, dtdy, dsdy, ty, 0, 0, 1});
return OK;
}
status_t DisplayInfo::writeToParcel(android::Parcel* parcel) const {
if (parcel == nullptr) {
ALOGE("%s: Null parcel", __func__);
return BAD_VALUE;
}
SAFE_PARCEL(parcel->writeInt32, displayId.val());
SAFE_PARCEL(parcel->writeInt32, logicalWidth);
SAFE_PARCEL(parcel->writeInt32, logicalHeight);
SAFE_PARCEL(parcel->writeFloat, transform.dsdx());
SAFE_PARCEL(parcel->writeFloat, transform.dtdx());
SAFE_PARCEL(parcel->writeFloat, transform.tx());
SAFE_PARCEL(parcel->writeFloat, transform.dtdy());
SAFE_PARCEL(parcel->writeFloat, transform.dsdy());
SAFE_PARCEL(parcel->writeFloat, transform.ty());
return OK;
}
void DisplayInfo::dump(std::string& out, const char* prefix) const {
using android::base::StringAppendF;
out += prefix;
StringAppendF(&out, "DisplayViewport[id=%s]\n", displayId.toString().c_str());
out += prefix;
StringAppendF(&out, INDENT "Width=%" PRId32 ", Height=%" PRId32 "\n", logicalWidth,
logicalHeight);
std::string transformPrefix(prefix);
transformPrefix.append(INDENT);
transform.dump(out, "Transform", transformPrefix.c_str());
}
} // namespace android::gui
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