63d676e755
Change-Id: Ie9bb9ce20f27162bcb7d7d25dcad99107675e2be Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159709 Tested-by: Jenkins Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <QtVirtualDevice.hxx>
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#include <QtGraphics.hxx>
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#include <QtTools.hxx>
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#include <QtGui/QImage>
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QtVirtualDevice::QtVirtualDevice(double fScale)
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: m_fScale(fScale)
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{
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}
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SalGraphics* QtVirtualDevice::AcquireGraphics()
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{
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assert(m_pImage);
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QtGraphics* pGraphics = new QtGraphics(m_pImage.get());
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m_aGraphics.push_back(pGraphics);
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return pGraphics;
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}
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void QtVirtualDevice::ReleaseGraphics(SalGraphics* pGraphics)
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{
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std::erase(m_aGraphics, dynamic_cast<QtGraphics*>(pGraphics));
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delete pGraphics;
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}
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bool QtVirtualDevice::SetSize(tools::Long nNewDX, tools::Long nNewDY)
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{
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return SetSizeUsingBuffer(nNewDX, nNewDY, nullptr);
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}
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bool QtVirtualDevice::SetSizeUsingBuffer(tools::Long nNewDX, tools::Long nNewDY, sal_uInt8* pBuffer)
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{
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if (nNewDX == 0)
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nNewDX = 1;
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if (nNewDY == 0)
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nNewDY = 1;
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if (m_pImage && m_aFrameSize.width() == nNewDX && m_aFrameSize.height() == nNewDY)
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return true;
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m_aFrameSize = QSize(nNewDX, nNewDY);
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nNewDX *= m_fScale;
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nNewDY *= m_fScale;
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if (pBuffer)
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m_pImage.reset(new QImage(pBuffer, nNewDX, nNewDY, Qt_DefaultFormat32));
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else
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m_pImage.reset(new QImage(nNewDX, nNewDY, Qt_DefaultFormat32));
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m_pImage->fill(Qt::transparent);
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m_pImage->setDevicePixelRatio(m_fScale);
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// update device in existing graphics
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for (auto pQtGraph : m_aGraphics)
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pQtGraph->ChangeQImage(m_pImage.get());
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return true;
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}
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tools::Long QtVirtualDevice::GetWidth() const { return m_pImage ? m_aFrameSize.width() : 0; }
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tools::Long QtVirtualDevice::GetHeight() const { return m_pImage ? m_aFrameSize.height() : 0; }
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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