office-gobmx/vcl/qt5/Qt5SvpGraphics.cxx

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/* -*- 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 <Qt5Data.hxx>
#include <Qt5Frame.hxx>
#include <Qt5Graphics_Controls.hxx>
#include <Qt5SvpGraphics.hxx>
#include <Qt5SvpSurface.hxx>
#include <Qt5Tools.hxx>
#include <QtGui/QScreen>
#include <QtGui/QWindow>
#include <QtWidgets/QWidget>
Qt5SvpGraphics::Qt5SvpGraphics(Qt5Frame* pFrame)
: SvpSalGraphics()
, m_pFrame(pFrame)
{
if (!Qt5Data::noNativeControls())
m_pWidgetDraw.reset(new Qt5Graphics_Controls());
}
Qt5SvpGraphics::~Qt5SvpGraphics() {}
void Qt5SvpGraphics::updateQWidget() const
{
if (!m_pFrame)
return;
QWidget* pQWidget = m_pFrame->GetQWidget();
if (pQWidget)
pQWidget->update(pQWidget->rect());
}
#if ENABLE_CAIRO_CANVAS
bool Qt5SvpGraphics::SupportsCairo() const { return true; }
cairo::SurfaceSharedPtr
Qt5SvpGraphics::CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const
{
return cairo::SurfaceSharedPtr(new cairo::Qt5SvpSurface(rSurface));
}
cairo::SurfaceSharedPtr Qt5SvpGraphics::CreateSurface(const OutputDevice& /*rRefDevice*/, int x,
int y, int width, int height) const
{
return cairo::SurfaceSharedPtr(new cairo::Qt5SvpSurface(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 Qt5SvpGraphics::handleDamage(const tools::Rectangle& rDamagedRegion)
{
assert(m_pWidgetDraw);
assert(dynamic_cast<Qt5Graphics_Controls*>(m_pWidgetDraw.get()));
assert(!rDamagedRegion.IsEmpty());
QImage* pImage = static_cast<Qt5Graphics_Controls*>(m_pWidgetDraw.get())->getImage();
assert(pImage);
BitmapBuffer aBuffer;
QImage2BitmapBuffer(*pImage, aBuffer);
SalTwoRect aTR(0, 0, pImage->width(), pImage->height(), rDamagedRegion.getX(),
rDamagedRegion.getY(), rDamagedRegion.GetWidth(), rDamagedRegion.GetHeight());
drawBitmap(aTR, &aBuffer, CAIRO_OPERATOR_OVER);
}
void Qt5SvpGraphics::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 || !m_pFrame->GetQWidget()->window()->windowHandle())
return;
QScreen* pScreen = m_pFrame->GetQWidget()->window()->windowHandle()->screen();
rDPIX = pScreen->logicalDotsPerInchX() * pScreen->devicePixelRatio() + 0.5;
rDPIY = pScreen->logicalDotsPerInchY() * pScreen->devicePixelRatio() + 0.5;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */