584dc1d2d4
Reviewers: #plasma Subscribers: plasma-devel, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D3497
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "scene_qpainter_virtual_backend.h"
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#include "virtual_backend.h"
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#include "cursor.h"
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#include "screens.h"
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#include <QPainter>
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namespace KWin
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{
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VirtualQPainterBackend::VirtualQPainterBackend(VirtualBackend *backend)
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: QPainterBackend()
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, m_backend(backend)
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{
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connect(screens(), &Screens::changed, this, &VirtualQPainterBackend::createOutputs);
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createOutputs();
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}
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VirtualQPainterBackend::~VirtualQPainterBackend() = default;
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QImage *VirtualQPainterBackend::buffer()
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{
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return &m_backBuffers[0];
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}
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QImage *VirtualQPainterBackend::bufferForScreen(int screen)
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{
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return &m_backBuffers[screen];
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}
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bool VirtualQPainterBackend::needsFullRepaint() const
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{
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return true;
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}
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void VirtualQPainterBackend::prepareRenderingFrame()
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{
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}
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void VirtualQPainterBackend::createOutputs()
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{
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m_backBuffers.clear();
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for (int i = 0; i < screens()->count(); ++i) {
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QImage buffer(screens()->size(i) * screens()->scale(i), QImage::Format_RGB32);
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buffer.fill(Qt::black);
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m_backBuffers << buffer;
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}
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}
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void VirtualQPainterBackend::present(int mask, const QRegion &damage)
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{
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Q_UNUSED(mask)
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Q_UNUSED(damage)
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if (m_backend->saveFrames()) {
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for (int i=0; i < m_backBuffers.size() ; i++) {
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m_backBuffers[i].save(QStringLiteral("%1/screen%2-%3.png").arg(m_backend->screenshotDirPath(), QString::number(i), QString::number(m_frameCounter++)));
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}
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}
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}
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bool VirtualQPainterBackend::usesOverlayWindow() const
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{
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return false;
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}
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bool VirtualQPainterBackend::perScreenRendering() const
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{
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return true;
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}
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}
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