diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /vcl/qt5/Qt5VirtualDevice.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/qt5/Qt5VirtualDevice.cxx')
-rw-r--r-- | vcl/qt5/Qt5VirtualDevice.cxx | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/vcl/qt5/Qt5VirtualDevice.cxx b/vcl/qt5/Qt5VirtualDevice.cxx new file mode 100644 index 000000000..f1c7d9606 --- /dev/null +++ b/vcl/qt5/Qt5VirtualDevice.cxx @@ -0,0 +1,93 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you 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 . + */ + +#include <Qt5VirtualDevice.hxx> + +#include <Qt5Graphics.hxx> +#include <Qt5Tools.hxx> + +#include <QtGui/QImage> + +Qt5VirtualDevice::Qt5VirtualDevice(DeviceFormat eFormat, double fScale) + : m_eFormat(eFormat) + , m_fScale(fScale) +{ +} + +SalGraphics* Qt5VirtualDevice::AcquireGraphics() +{ + assert(m_pImage); + Qt5Graphics* pGraphics = new Qt5Graphics(m_pImage.get()); + m_aGraphics.push_back(pGraphics); + return pGraphics; +} + +void Qt5VirtualDevice::ReleaseGraphics(SalGraphics* pGraphics) +{ + m_aGraphics.remove(dynamic_cast<Qt5Graphics*>(pGraphics)); + delete pGraphics; +} + +bool Qt5VirtualDevice::SetSize(long nNewDX, long nNewDY) +{ + return SetSizeUsingBuffer(nNewDX, nNewDY, nullptr); +} + +bool Qt5VirtualDevice::SetSizeUsingBuffer(long nNewDX, long nNewDY, sal_uInt8* pBuffer) +{ + if (nNewDX == 0) + nNewDX = 1; + if (nNewDY == 0) + nNewDY = 1; + + if (m_pImage && m_aFrameSize.width() == nNewDX && m_aFrameSize.height() == nNewDY) + return true; + + m_aFrameSize = QSize(nNewDX, nNewDY); + + nNewDX *= m_fScale; + nNewDY *= m_fScale; + + if (m_eFormat == DeviceFormat::BITMASK) + { + m_pImage.reset(new QImage(nNewDX, nNewDY, QImage::Format_Mono)); + } + else + { + if (pBuffer) + m_pImage.reset(new QImage(pBuffer, nNewDX, nNewDY, Qt5_DefaultFormat32)); + else + m_pImage.reset(new QImage(nNewDX, nNewDY, Qt5_DefaultFormat32)); + } + + m_pImage->fill(Qt::transparent); + m_pImage->setDevicePixelRatio(m_fScale); + + // update device in existing graphics + for (auto pQt5Graph : m_aGraphics) + pQt5Graph->ChangeQImage(m_pImage.get()); + + return true; +} + +long Qt5VirtualDevice::GetWidth() const { return m_pImage ? m_aFrameSize.width() : 0; } + +long Qt5VirtualDevice::GetHeight() const { return m_pImage ? m_aFrameSize.height() : 0; } + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |