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Diffstat (limited to 'vcl/qt5/QtSvpGraphics.cxx')
-rw-r--r-- | vcl/qt5/QtSvpGraphics.cxx | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/vcl/qt5/QtSvpGraphics.cxx b/vcl/qt5/QtSvpGraphics.cxx new file mode 100644 index 0000000000..903fee1f56 --- /dev/null +++ b/vcl/qt5/QtSvpGraphics.cxx @@ -0,0 +1,114 @@ +/* -*- 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/. + */ + +#include <sal/config.h> +#include <sal/log.hxx> +#include <salbmp.hxx> + +#include <config_cairo_canvas.h> + +#include <QtData.hxx> +#include <QtFrame.hxx> +#include <QtGraphics_Controls.hxx> +#include <QtSvpGraphics.hxx> +#include <QtSvpSurface.hxx> +#include <QtTools.hxx> + +#include <QtGui/QScreen> +#include <QtGui/QWindow> +#include <QtWidgets/QWidget> + +QtSvpGraphics::QtSvpGraphics(QtFrame* pFrame) + : m_pFrame(pFrame) +{ + if (!QtData::noNativeControls()) + m_pWidgetDraw.reset(new QtGraphics_Controls(*this)); + if (m_pFrame) + setDevicePixelRatioF(m_pFrame->devicePixelRatioF()); +} + +QtSvpGraphics::~QtSvpGraphics() {} + +void QtSvpGraphics::updateQWidget() const +{ + if (!m_pFrame) + return; + QWidget* pQWidget = m_pFrame->GetQWidget(); + if (pQWidget) + pQWidget->update(pQWidget->rect()); +} + +#if ENABLE_CAIRO_CANVAS + +bool QtSvpGraphics::SupportsCairo() const { return true; } + +cairo::SurfaceSharedPtr +QtSvpGraphics::CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const +{ + return std::make_shared<cairo::QtSvpSurface>(rSurface); +} + +cairo::SurfaceSharedPtr QtSvpGraphics::CreateSurface(const OutputDevice& /*rRefDevice*/, int x, + int y, int width, int height) const +{ + return std::make_shared<cairo::QtSvpSurface>(this, x, y, width, height); +} + +#endif + +static void QImage2BitmapBuffer(QImage& rImg, BitmapBuffer& rBuf) +{ + assert(rImg.width()); + assert(rImg.height()); + + rBuf.mnWidth = rImg.width(); + rBuf.mnHeight = rImg.height(); + rBuf.mnBitCount = getFormatBits(rImg.format()); + rBuf.mpBits = rImg.bits(); + rBuf.mnScanlineSize = rImg.bytesPerLine(); +} + +void QtSvpGraphics::handleDamage(const tools::Rectangle& rDamagedRegion) +{ + assert(m_pWidgetDraw); + assert(dynamic_cast<QtGraphics_Controls*>(m_pWidgetDraw.get())); + assert(!rDamagedRegion.IsEmpty()); + + QImage* pImage = static_cast<QtGraphics_Controls*>(m_pWidgetDraw.get())->getImage(); + assert(pImage); + if (pImage->width() == 0 || pImage->height() == 0) + return; + + BitmapBuffer aBuffer; + QImage2BitmapBuffer(*pImage, aBuffer); + SalTwoRect aTR(0, 0, pImage->width(), pImage->height(), rDamagedRegion.Left(), + rDamagedRegion.Top(), rDamagedRegion.GetWidth(), rDamagedRegion.GetHeight()); + + getSvpBackend()->drawBitmapBuffer(aTR, &aBuffer, CAIRO_OPERATOR_OVER); +} + +void QtSvpGraphics::GetResolution(sal_Int32& rDPIX, sal_Int32& rDPIY) +{ + char* pForceDpi; + if ((pForceDpi = getenv("SAL_FORCEDPI"))) + { + OString sForceDPI(pForceDpi); + rDPIX = rDPIY = sForceDPI.toInt32(); + return; + } + + if (!m_pFrame) + return; + + QScreen* pScreen = m_pFrame->GetQWidget()->screen(); + rDPIX = pScreen->logicalDotsPerInchX() * pScreen->devicePixelRatio() + 0.5; + rDPIY = pScreen->logicalDotsPerInchY() * pScreen->devicePixelRatio() + 0.5; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |