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- // Copyright 2016 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "remoting/test/scroll_frame_generator.h"
- #include "remoting/test/frame_generator_util.h"
- #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
- namespace remoting {
- namespace test {
- namespace {
- int kScrollSpeedPixelsPerSecond = 500;
- } // namespace
- ScrollFrameGenerator::ScrollFrameGenerator()
- : base_frame_(LoadDesktopFrameFromPng("test_frame2.png")),
- start_time_(base::TimeTicks::Now()) {}
- ScrollFrameGenerator::~ScrollFrameGenerator() = default;
- std::unique_ptr<webrtc::DesktopFrame> ScrollFrameGenerator::GenerateFrame(
- webrtc::SharedMemoryFactory* shared_memory_factory) {
- base::TimeTicks now = base::TimeTicks::Now();
- int position = static_cast<int>(kScrollSpeedPixelsPerSecond *
- (now - start_time_).InSecondsF()) %
- base_frame_->size().height();
- std::unique_ptr<webrtc::DesktopFrame> result(
- new webrtc::BasicDesktopFrame(base_frame_->size()));
- int top_height = base_frame_->size().height() - position;
- result->CopyPixelsFrom(*base_frame_, webrtc::DesktopVector(0, position),
- webrtc::DesktopRect::MakeLTRB(
- 0, 0, base_frame_->size().width(), top_height));
- result->CopyPixelsFrom(
- *base_frame_, webrtc::DesktopVector(0, 0),
- webrtc::DesktopRect::MakeLTRB(0, top_height, base_frame_->size().width(),
- base_frame_->size().height()));
- result->mutable_updated_region()->SetRect(
- webrtc::DesktopRect::MakeSize(result->size()));
- return result;
- }
- protocol::InputEventTimestamps ScrollFrameGenerator::TakeLastEventTimestamps() {
- base::TimeTicks now = base::TimeTicks::Now();
- return protocol::InputEventTimestamps{now, now};
- }
- } // namespace test
- } // namespace remoting
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