You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
4.0 KiB
110 lines
4.0 KiB
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "DisplayRenderArea.h"
|
|
#include "DisplayDevice.h"
|
|
|
|
namespace android {
|
|
namespace {
|
|
|
|
RenderArea::RotationFlags applyDeviceOrientation(bool useIdentityTransform,
|
|
const DisplayDevice& display) {
|
|
if (!useIdentityTransform) {
|
|
return RenderArea::RotationFlags::ROT_0;
|
|
}
|
|
|
|
return ui::Transform::toRotationFlags(display.getOrientation());
|
|
}
|
|
|
|
} // namespace
|
|
|
|
std::unique_ptr<RenderArea> DisplayRenderArea::create(wp<const DisplayDevice> displayWeak,
|
|
const Rect& sourceCrop, ui::Size reqSize,
|
|
ui::Dataspace reqDataSpace,
|
|
bool useIdentityTransform,
|
|
bool allowSecureLayers) {
|
|
if (auto display = displayWeak.promote()) {
|
|
// Using new to access a private constructor.
|
|
return std::unique_ptr<DisplayRenderArea>(
|
|
new DisplayRenderArea(std::move(display), sourceCrop, reqSize, reqDataSpace,
|
|
useIdentityTransform, allowSecureLayers));
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
DisplayRenderArea::DisplayRenderArea(sp<const DisplayDevice> display, const Rect& sourceCrop,
|
|
ui::Size reqSize, ui::Dataspace reqDataSpace,
|
|
bool useIdentityTransform, bool allowSecureLayers)
|
|
: RenderArea(reqSize, CaptureFill::OPAQUE, reqDataSpace, display->getLayerStackSpaceRect(),
|
|
allowSecureLayers, applyDeviceOrientation(useIdentityTransform, *display)),
|
|
mDisplay(std::move(display)),
|
|
mSourceCrop(sourceCrop) {}
|
|
|
|
const ui::Transform& DisplayRenderArea::getTransform() const {
|
|
return mTransform;
|
|
}
|
|
|
|
Rect DisplayRenderArea::getBounds() const {
|
|
return mDisplay->getBounds();
|
|
}
|
|
|
|
int DisplayRenderArea::getHeight() const {
|
|
return mDisplay->getHeight();
|
|
}
|
|
|
|
int DisplayRenderArea::getWidth() const {
|
|
return mDisplay->getWidth();
|
|
}
|
|
|
|
bool DisplayRenderArea::isSecure() const {
|
|
return mAllowSecureLayers && mDisplay->isSecure();
|
|
}
|
|
|
|
sp<const DisplayDevice> DisplayRenderArea::getDisplayDevice() const {
|
|
return mDisplay;
|
|
}
|
|
|
|
bool DisplayRenderArea::needsFiltering() const {
|
|
// check if the projection from the logical render area
|
|
// to the physical render area requires filtering
|
|
const Rect& sourceCrop = getSourceCrop();
|
|
int width = sourceCrop.width();
|
|
int height = sourceCrop.height();
|
|
if (getRotationFlags() & ui::Transform::ROT_90) {
|
|
std::swap(width, height);
|
|
}
|
|
return width != getReqWidth() || height != getReqHeight();
|
|
}
|
|
|
|
Rect DisplayRenderArea::getSourceCrop() const {
|
|
// use the projected display viewport by default.
|
|
if (mSourceCrop.isEmpty()) {
|
|
return mDisplay->getLayerStackSpaceRect();
|
|
}
|
|
|
|
// Correct for the orientation when the screen capture request contained
|
|
// useIdentityTransform. This will cause the rotation flag to be non 0 since
|
|
// it needs to rotate based on the screen orientation to allow the screenshot
|
|
// to be taken in the ROT_0 orientation
|
|
const auto flags = getRotationFlags();
|
|
int width = mDisplay->getLayerStackSpaceRect().getWidth();
|
|
int height = mDisplay->getLayerStackSpaceRect().getHeight();
|
|
ui::Transform rotation;
|
|
rotation.set(flags, width, height);
|
|
return rotation.transform(mSourceCrop);
|
|
}
|
|
|
|
} // namespace android
|