mirror of
https://github.com/openharmony/ability_ability_runtime.git
synced 2026-08-25 12:23:20 -04:00
wangzhen
b1a6b475f9
Co-Authored-By: Agent Signed-off-by: wangzhen <wangzhen416@huawei.com> 🤖 AI[0%] 👌 AI Adopted[0%] 🧑 Human[100%] Change-Id: I261a1b0698d57d291c4790fd4e99994e982cc5c2
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2026 Huawei Device Co., Ltd.
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef OHOS_ABILITY_RUNTIME_PIXEL_MAP_BRIDGE_H
|
|
#define OHOS_ABILITY_RUNTIME_PIXEL_MAP_BRIDGE_H
|
|
|
|
#include <mutex>
|
|
|
|
namespace OHOS {
|
|
class Parcel;
|
|
namespace Media {
|
|
class PixelMap;
|
|
}
|
|
namespace AAFwk {
|
|
|
|
// Function pointer types matching the C exports of libimage_native_wrap.z.so.
|
|
// Parcel and PixelMap are only forward-declared here, so the bridge SO never
|
|
// needs the full image_native/parcel headers and stays free of that dependency.
|
|
using ReadPixelMapFunc = Media::PixelMap *(*)(Parcel *parcelPtr);
|
|
using WritePixelMapFunc = bool (*)(Media::PixelMap *pixelMapPtr, Parcel *parcelPtr);
|
|
using DestroyPixelMapFunc = void (*)(Media::PixelMap *pixelMapPtr);
|
|
|
|
// Bridge singleton that dlopen()'s libimage_native_wrap.z.so and caches the
|
|
// resolved function pointers.
|
|
//
|
|
// All methods are thread safe. The wrapped library is loaded lazily on first
|
|
// use; if it is unavailable every accessor degrades to a no-op / failure.
|
|
class PixelMapBridge {
|
|
public:
|
|
static PixelMapBridge &GetInstance();
|
|
~PixelMapBridge();
|
|
|
|
// Reads a PixelMap from the given Parcel.
|
|
Media::PixelMap *ReadPixelMapFromParcel(Parcel *parcelPtr);
|
|
// Writes a PixelMap into the given Parcel. Returns false on failure.
|
|
bool WritePixelMapToParcel(Media::PixelMap *pixelMapPtr, Parcel *parcelPtr);
|
|
// Destroys a PixelMap.
|
|
void DestroyPixelMap(Media::PixelMap *pixelMapPtr);
|
|
|
|
private:
|
|
PixelMapBridge();
|
|
bool LoadLibrary();
|
|
void UnloadLibrary();
|
|
|
|
std::mutex mutex_;
|
|
void *handle_ = nullptr;
|
|
ReadPixelMapFunc readFunc_ = nullptr;
|
|
WritePixelMapFunc writeFunc_ = nullptr;
|
|
DestroyPixelMapFunc destroyFunc_ = nullptr;
|
|
bool loadAttempted_ = false;
|
|
};
|
|
} // namespace AAFwk
|
|
} // namespace OHOS
|
|
|
|
#endif // OHOS_ABILITY_RUNTIME_PIXEL_MAP_BRIDGE_H
|