C++ (Cpp) android_graphics_Region_getSkRegion示例

示例#1

文件： android_view_SurfaceControl.cpp 项目： debian-pkg-android-tools/android-platform-frameworks-base

static void nativeSetTransparentRegionHint(JNIEnv* env, jclass clazz, jlong nativeObject, jobject regionObj) {
    SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
    SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj);
    if (!region) {
        doThrowIAE(env);
        return;
    }

    const SkIRect& b(region->getBounds());
    Region reg(Rect(b.fLeft, b.fTop, b.fRight, b.fBottom));
    if (region->isComplex()) {
        SkRegion::Iterator it(*region);
        while (!it.done()) {
            const SkIRect& r(it.rect());
            reg.addRectUnchecked(r.fLeft, r.fTop, r.fRight, r.fBottom);
            it.next();
        }
    }

    status_t err = ctrl->setTransparentRegionHint(reg);
    if (err < 0 && err != NO_INIT) {
        doThrowIAE(env);
    }
}

示例#2

文件： com_android_server_input_InputWindowHandle.cpp 项目： AFreeTeam/android_frameworks_base

bool NativeInputWindowHandle::updateInfo() {
    JNIEnv* env = AndroidRuntime::getJNIEnv();
    jobject obj = env->NewLocalRef(mObjWeak);
    if (!obj) {
        releaseInfo();
        return false;
    }

    if (!mInfo) {
        mInfo = new InputWindowInfo();
    }

    jobject inputChannelObj = env->GetObjectField(obj,
            gInputWindowHandleClassInfo.inputChannel);
    if (inputChannelObj) {
        mInfo->inputChannel = android_view_InputChannel_getInputChannel(env, inputChannelObj);
        env->DeleteLocalRef(inputChannelObj);
    } else {
        mInfo->inputChannel.clear();
    }

    jstring nameObj = jstring(env->GetObjectField(obj,
            gInputWindowHandleClassInfo.name));
    if (nameObj) {
        const char* nameStr = env->GetStringUTFChars(nameObj, NULL);
        mInfo->name.setTo(nameStr);
        env->ReleaseStringUTFChars(nameObj, nameStr);
        env->DeleteLocalRef(nameObj);
    } else {
        mInfo->name.setTo("<null>");
    }

    mInfo->layoutParamsFlags = env->GetIntField(obj,
            gInputWindowHandleClassInfo.layoutParamsFlags);
    mInfo->layoutParamsPrivateFlags = env->GetIntField(obj,
            gInputWindowHandleClassInfo.layoutParamsPrivateFlags);
    mInfo->layoutParamsType = env->GetIntField(obj,
            gInputWindowHandleClassInfo.layoutParamsType);
    mInfo->dispatchingTimeout = env->GetLongField(obj,
            gInputWindowHandleClassInfo.dispatchingTimeoutNanos);
    mInfo->frameLeft = env->GetIntField(obj,
            gInputWindowHandleClassInfo.frameLeft);
    mInfo->frameTop = env->GetIntField(obj,
            gInputWindowHandleClassInfo.frameTop);
    mInfo->frameRight = env->GetIntField(obj,
            gInputWindowHandleClassInfo.frameRight);
    mInfo->frameBottom = env->GetIntField(obj,
            gInputWindowHandleClassInfo.frameBottom);
    mInfo->scaleFactor = env->GetFloatField(obj,
            gInputWindowHandleClassInfo.scaleFactor);

    jobject regionObj = env->GetObjectField(obj,
            gInputWindowHandleClassInfo.touchableRegion);
    if (regionObj) {
        SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj);
        mInfo->touchableRegion.set(*region);
        env->DeleteLocalRef(regionObj);
    } else {
        mInfo->touchableRegion.setEmpty();
    }

    mInfo->visible = env->GetBooleanField(obj,
            gInputWindowHandleClassInfo.visible);
    mInfo->canReceiveKeys = env->GetBooleanField(obj,
            gInputWindowHandleClassInfo.canReceiveKeys);
    mInfo->hasFocus = env->GetBooleanField(obj,
            gInputWindowHandleClassInfo.hasFocus);
    mInfo->hasWallpaper = env->GetBooleanField(obj,
            gInputWindowHandleClassInfo.hasWallpaper);
    mInfo->paused = env->GetBooleanField(obj,
            gInputWindowHandleClassInfo.paused);
    mInfo->layer = env->GetIntField(obj,
            gInputWindowHandleClassInfo.layer);
    mInfo->ownerPid = env->GetIntField(obj,
            gInputWindowHandleClassInfo.ownerPid);
    mInfo->ownerUid = env->GetIntField(obj,
            gInputWindowHandleClassInfo.ownerUid);
    mInfo->inputFeatures = env->GetIntField(obj,
            gInputWindowHandleClassInfo.inputFeatures);
    mInfo->displayId = env->GetIntField(obj,
            gInputWindowHandleClassInfo.displayId);

    env->DeleteLocalRef(obj);
    return true;
}