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81 lines
2.3 KiB
81 lines
2.3 KiB
/******************************************************************** |
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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) 2014 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 "decorationrenderer.h" |
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#include "decoratedclient.h" |
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#include "deleted.h" |
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#include <KDecoration2/Decoration> |
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#include <KDecoration2/DecoratedClient> |
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#include <QDebug> |
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#include <QPainter> |
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namespace KWin |
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{ |
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namespace Decoration |
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{ |
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Renderer::Renderer(DecoratedClientImpl *client) |
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: QObject(client) |
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, m_client(client) |
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, m_imageSizesDirty(true) |
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{ |
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auto markImageSizesDirty = [this]{ m_imageSizesDirty = true; }; |
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connect(client->decoration(), &KDecoration2::Decoration::bordersChanged, this, markImageSizesDirty); |
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connect(client->decoratedClient(), &KDecoration2::DecoratedClient::widthChanged, this, markImageSizesDirty); |
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connect(client->decoratedClient(), &KDecoration2::DecoratedClient::heightChanged, this, markImageSizesDirty); |
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} |
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Renderer::~Renderer() = default; |
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void Renderer::schedule(const QRect &rect) |
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{ |
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m_scheduled = m_scheduled.united(rect); |
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emit renderScheduled(rect); |
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} |
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QRegion Renderer::getScheduled() |
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{ |
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QRegion region = m_scheduled; |
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m_scheduled = QRegion(); |
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return region; |
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} |
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QImage Renderer::renderToImage(const QRect &geo) |
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{ |
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Q_ASSERT(m_client); |
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QImage image(geo.width(), geo.height(), QImage::Format_ARGB32_Premultiplied); |
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image.fill(Qt::transparent); |
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QPainter p(&image); |
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p.setRenderHint(QPainter::Antialiasing); |
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p.setWindow(geo); |
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p.setClipRect(geo); |
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client()->decoration()->paint(&p, geo); |
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return image; |
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} |
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void Renderer::reparent(Deleted *deleted) |
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{ |
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setParent(deleted); |
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m_client = nullptr; |
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} |
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} |
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}
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