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