office-gobmx/vcl/qt5/QtGraphics_GDI.cxx
Noel Grandin 75799dae6e use default implementation for drawEPS
so only the one that implements it needs to override it

Change-Id: I19e79c5746dbbebbf5914922587016fd03a902d4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/176848
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2024-11-21 13:11:04 +01:00

673 lines
22 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 <QtGraphics.hxx>
#include <QtBitmap.hxx>
#include <QtPainter.hxx>
#include <sal/log.hxx>
#include <QtGui/QPainter>
#include <numeric>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <o3tl/string_view.hxx>
QtGraphicsBackend::QtGraphicsBackend(QtFrame* pFrame, QImage* pQImage)
: m_pFrame(pFrame)
, m_pQImage(pQImage)
, m_oLineColor(std::in_place, 0x00, 0x00, 0x00)
, m_oFillColor(std::in_place, 0xFF, 0xFF, 0XFF)
, m_eCompositionMode(QPainter::CompositionMode_SourceOver)
{
ResetClipRegion();
}
QtGraphicsBackend::~QtGraphicsBackend() {}
const basegfx::B2DPoint aHalfPointOfs(0.5, 0.5);
static void AddPolygonToPath(QPainterPath& rPath, const basegfx::B2DPolygon& rPolygon,
bool bClosePath, bool bPixelSnap, bool bLineDraw)
{
const int nPointCount = rPolygon.count();
// short circuit if there is nothing to do
if (nPointCount == 0)
return;
const bool bHasCurves = rPolygon.areControlPointsUsed();
for (int nPointIdx = 0, nPrevIdx = 0;; nPrevIdx = nPointIdx++)
{
int nClosedIdx = nPointIdx;
if (nPointIdx >= nPointCount)
{
// prepare to close last curve segment if needed
if (bClosePath && (nPointIdx == nPointCount))
nClosedIdx = 0;
else
break;
}
basegfx::B2DPoint aPoint = rPolygon.getB2DPoint(nClosedIdx);
if (bPixelSnap)
{
// snap device coordinates to full pixels
aPoint.setX(basegfx::fround(aPoint.getX()));
aPoint.setY(basegfx::fround(aPoint.getY()));
}
if (bLineDraw)
aPoint += aHalfPointOfs;
if (!nPointIdx)
{
// first point => just move there
rPath.moveTo(aPoint.getX(), aPoint.getY());
continue;
}
bool bPendingCurve = false;
if (bHasCurves)
{
bPendingCurve = rPolygon.isNextControlPointUsed(nPrevIdx);
bPendingCurve |= rPolygon.isPrevControlPointUsed(nClosedIdx);
}
if (!bPendingCurve) // line segment
rPath.lineTo(aPoint.getX(), aPoint.getY());
else // cubic bezier segment
{
basegfx::B2DPoint aCP1 = rPolygon.getNextControlPoint(nPrevIdx);
basegfx::B2DPoint aCP2 = rPolygon.getPrevControlPoint(nClosedIdx);
if (bLineDraw)
{
aCP1 += aHalfPointOfs;
aCP2 += aHalfPointOfs;
}
rPath.cubicTo(aCP1.getX(), aCP1.getY(), aCP2.getX(), aCP2.getY(), aPoint.getX(),
aPoint.getY());
}
}
if (bClosePath)
rPath.closeSubpath();
}
static bool AddPolyPolygonToPath(QPainterPath& rPath, const basegfx::B2DPolyPolygon& rPolyPoly,
bool bPixelSnap, bool bLineDraw)
{
if (rPolyPoly.count() == 0)
return false;
for (auto const& rPolygon : rPolyPoly)
{
AddPolygonToPath(rPath, rPolygon, true, bPixelSnap, bLineDraw);
}
return true;
}
void QtGraphicsBackend::setClipRegion(const vcl::Region& rRegion)
{
if (rRegion.IsRectangle())
{
m_aClipRegion = toQRect(rRegion.GetBoundRect());
if (!m_aClipPath.isEmpty())
{
QPainterPath aPath;
m_aClipPath.swap(aPath);
}
}
else if (!rRegion.HasPolyPolygonOrB2DPolyPolygon())
{
QRegion aQRegion;
RectangleVector aRectangles;
rRegion.GetRegionRectangles(aRectangles);
for (const auto& rRect : aRectangles)
aQRegion += toQRect(rRect);
m_aClipRegion = aQRegion;
if (!m_aClipPath.isEmpty())
{
QPainterPath aPath;
m_aClipPath.swap(aPath);
}
}
else
{
QPainterPath aPath;
const basegfx::B2DPolyPolygon aPolyClip(rRegion.GetAsB2DPolyPolygon());
AddPolyPolygonToPath(aPath, aPolyClip, !getAntiAlias(), false);
m_aClipPath.swap(aPath);
if (!m_aClipRegion.isEmpty())
{
QRegion aRegion;
m_aClipRegion.swap(aRegion);
}
}
}
void QtGraphicsBackend::ResetClipRegion()
{
if (m_pQImage)
m_aClipRegion = QRegion(m_pQImage->rect());
else
m_aClipRegion = QRegion();
if (!m_aClipPath.isEmpty())
{
QPainterPath aPath;
m_aClipPath.swap(aPath);
}
}
void QtGraphicsBackend::drawPixel(tools::Long nX, tools::Long nY)
{
QtPainter aPainter(*this);
aPainter.drawPoint(nX, nY);
aPainter.update(nX, nY, 1, 1);
}
void QtGraphicsBackend::drawPixel(tools::Long nX, tools::Long nY, Color nColor)
{
QtPainter aPainter(*this);
aPainter.setPen(toQColor(nColor));
aPainter.setPen(Qt::SolidLine);
aPainter.drawPoint(nX, nY);
aPainter.update(nX, nY, 1, 1);
}
void QtGraphicsBackend::drawLine(tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2)
{
QtPainter aPainter(*this);
aPainter.drawLine(nX1, nY1, nX2, nY2);
if (nX1 > nX2)
std::swap(nX1, nX2);
if (nY1 > nY2)
std::swap(nY1, nY2);
aPainter.update(nX1, nY1, nX2 - nX1 + 1, nY2 - nY1 + 1);
}
void QtGraphicsBackend::drawRect(tools::Long nX, tools::Long nY, tools::Long nWidth,
tools::Long nHeight)
{
if (!m_oFillColor && !m_oLineColor)
return;
QtPainter aPainter(*this, true);
if (m_oFillColor)
aPainter.fillRect(nX, nY, nWidth, nHeight, aPainter.brush());
if (m_oLineColor)
aPainter.drawRect(nX, nY, nWidth - 1, nHeight - 1);
aPainter.update(nX, nY, nWidth, nHeight);
}
void QtGraphicsBackend::drawPolyLine(sal_uInt32 nPoints, const Point* pPtAry)
{
if (0 == nPoints)
return;
QtPainter aPainter(*this);
QPoint* pPoints = new QPoint[nPoints];
QPoint aTopLeft(pPtAry->getX(), pPtAry->getY());
QPoint aBottomRight = aTopLeft;
for (sal_uInt32 i = 0; i < nPoints; ++i, ++pPtAry)
{
pPoints[i] = QPoint(pPtAry->getX(), pPtAry->getY());
if (pPtAry->getX() < aTopLeft.x())
aTopLeft.setX(pPtAry->getX());
if (pPtAry->getY() < aTopLeft.y())
aTopLeft.setY(pPtAry->getY());
if (pPtAry->getX() > aBottomRight.x())
aBottomRight.setX(pPtAry->getX());
if (pPtAry->getY() > aBottomRight.y())
aBottomRight.setY(pPtAry->getY());
}
aPainter.drawPolyline(pPoints, nPoints);
delete[] pPoints;
aPainter.update(QRect(aTopLeft, aBottomRight));
}
void QtGraphicsBackend::drawPolygon(sal_uInt32 nPoints, const Point* pPtAry)
{
QtPainter aPainter(*this, true);
QPolygon aPolygon(nPoints);
for (sal_uInt32 i = 0; i < nPoints; ++i, ++pPtAry)
aPolygon.setPoint(i, pPtAry->getX(), pPtAry->getY());
aPainter.drawPolygon(aPolygon);
aPainter.update(aPolygon.boundingRect());
}
void QtGraphicsBackend::drawPolyPolygon(sal_uInt32 nPolyCount, const sal_uInt32* pPoints,
const Point** ppPtAry)
{
// ignore invisible polygons
if (!m_oFillColor && !m_oLineColor)
return;
QPainterPath aPath;
for (sal_uInt32 nPoly = 0; nPoly < nPolyCount; nPoly++)
{
const sal_uInt32 nPoints = pPoints[nPoly];
if (nPoints > 1)
{
const Point* pPtAry = ppPtAry[nPoly];
aPath.moveTo(pPtAry->getX(), pPtAry->getY());
pPtAry++;
for (sal_uInt32 nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++)
aPath.lineTo(pPtAry->getX(), pPtAry->getY());
aPath.closeSubpath();
}
}
QtPainter aPainter(*this, true);
aPainter.drawPath(aPath);
aPainter.update(aPath.boundingRect());
}
void QtGraphicsBackend::drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice,
const basegfx::B2DPolyPolygon& rPolyPolygon,
double fTransparency)
{
// ignore invisible polygons
if (!m_oFillColor && !m_oLineColor)
return;
if ((fTransparency >= 1.0) || (fTransparency < 0))
return;
// Fallback: Transform to DeviceCoordinates
basegfx::B2DPolyPolygon aPolyPolygon(rPolyPolygon);
aPolyPolygon.transform(rObjectToDevice);
QPainterPath aPath;
// ignore empty polygons
if (!AddPolyPolygonToPath(aPath, aPolyPolygon, !getAntiAlias(), m_oLineColor.has_value()))
return;
QtPainter aPainter(*this, true, 255 * (1.0 - fTransparency));
aPainter.drawPath(aPath);
aPainter.update(aPath.boundingRect());
}
bool QtGraphicsBackend::drawPolyLineBezier(sal_uInt32 /*nPoints*/, const Point* /*pPtAry*/,
const PolyFlags* /*pFlgAry*/)
{
return false;
}
bool QtGraphicsBackend::drawPolygonBezier(sal_uInt32 /*nPoints*/, const Point* /*pPtAry*/,
const PolyFlags* /*pFlgAry*/)
{
return false;
}
bool QtGraphicsBackend::drawPolyPolygonBezier(sal_uInt32 /*nPoly*/, const sal_uInt32* /*pPoints*/,
const Point* const* /*pPtAry*/,
const PolyFlags* const* /*pFlgAry*/)
{
return false;
}
bool QtGraphicsBackend::drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice,
const basegfx::B2DPolygon& rPolyLine, double fTransparency,
double fLineWidth,
const std::vector<double>* pStroke, // MM01
basegfx::B2DLineJoin eLineJoin, css::drawing::LineCap eLineCap,
double fMiterMinimumAngle, bool bPixelSnapHairline)
{
if (!m_oFillColor && !m_oLineColor)
{
return true;
}
// MM01 check done for simple reasons
if (!rPolyLine.count() || fTransparency < 0.0 || fTransparency > 1.0)
{
return true;
}
// MM01 need to do line dashing as fallback stuff here now
const double fDotDashLength(
nullptr != pStroke ? std::accumulate(pStroke->begin(), pStroke->end(), 0.0) : 0.0);
const bool bStrokeUsed(0.0 != fDotDashLength);
assert(!bStrokeUsed || (bStrokeUsed && pStroke));
basegfx::B2DPolyPolygon aPolyPolygonLine;
if (bStrokeUsed)
{
// apply LineStyle
basegfx::utils::applyLineDashing(rPolyLine, // source
*pStroke, // pattern
&aPolyPolygonLine, // target for lines
nullptr, // target for gaps
fDotDashLength); // full length if available
}
else
{
// no line dashing, just copy
aPolyPolygonLine.append(rPolyLine);
}
// Transform to DeviceCoordinates, get DeviceLineWidth, execute PixelSnapHairline
aPolyPolygonLine.transform(rObjectToDevice);
if (bPixelSnapHairline)
{
aPolyPolygonLine = basegfx::utils::snapPointsOfHorizontalOrVerticalEdges(aPolyPolygonLine);
}
// tdf#124848 get correct LineWidth in discrete coordinates,
if (fLineWidth == 0) // hairline
fLineWidth = 1.0;
else // Adjust line width for object-to-device scale.
fLineWidth = (rObjectToDevice * basegfx::B2DVector(fLineWidth, 0)).getLength();
// setup poly-polygon path
QPainterPath aPath;
// MM01 todo - I assume that this is OKAY to be done in one run for Qt,
// but this NEEDS to be checked/verified
for (sal_uInt32 a(0); a < aPolyPolygonLine.count(); a++)
{
const basegfx::B2DPolygon& aPolyLine(aPolyPolygonLine.getB2DPolygon(a));
AddPolygonToPath(aPath, aPolyLine, aPolyLine.isClosed(), !getAntiAlias(), true);
}
QtPainter aPainter(*this, false, 255 * (1.0 - fTransparency));
// setup line attributes
QPen aPen = aPainter.pen();
aPen.setWidth(fLineWidth);
switch (eLineJoin)
{
case basegfx::B2DLineJoin::Bevel:
aPen.setJoinStyle(Qt::BevelJoin);
break;
case basegfx::B2DLineJoin::Round:
aPen.setJoinStyle(Qt::RoundJoin);
break;
case basegfx::B2DLineJoin::NONE:
case basegfx::B2DLineJoin::Miter:
aPen.setMiterLimit(1.0 / sin(fMiterMinimumAngle / 2.0));
aPen.setJoinStyle(Qt::MiterJoin);
break;
}
switch (eLineCap)
{
default: // css::drawing::LineCap_BUTT:
aPen.setCapStyle(Qt::FlatCap);
break;
case css::drawing::LineCap_ROUND:
aPen.setCapStyle(Qt::RoundCap);
break;
case css::drawing::LineCap_SQUARE:
aPen.setCapStyle(Qt::SquareCap);
break;
}
aPainter.setPen(aPen);
aPainter.drawPath(aPath);
aPainter.update(aPath.boundingRect());
return true;
}
bool QtGraphicsBackend::drawGradient(const tools::PolyPolygon& /*rPolyPolygon*/,
const Gradient& /*rGradient*/)
{
return false;
}
bool QtGraphicsBackend::implDrawGradient(basegfx::B2DPolyPolygon const& /*rPolyPolygon*/,
SalGradient const& /*rGradient*/)
{
return false;
}
void QtGraphicsBackend::drawScaledImage(const SalTwoRect& rPosAry, const QImage& rImage)
{
QtPainter aPainter(*this);
QRect aSrcRect(rPosAry.mnSrcX, rPosAry.mnSrcY, rPosAry.mnSrcWidth, rPosAry.mnSrcHeight);
QRect aDestRect(rPosAry.mnDestX, rPosAry.mnDestY, rPosAry.mnDestWidth, rPosAry.mnDestHeight);
aPainter.drawImage(aDestRect, rImage, aSrcRect);
aPainter.update(aDestRect);
}
void QtGraphicsBackend::copyArea(tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX,
tools::Long nSrcY, tools::Long nSrcWidth, tools::Long nSrcHeight,
bool /*bWindowInvalidate*/)
{
if (nDestX == nSrcX && nDestY == nSrcY)
return;
SalTwoRect aTR(nSrcX, nSrcY, nSrcWidth, nSrcHeight, nDestX, nDestY, nSrcWidth, nSrcHeight);
QImage* pImage = m_pQImage;
QImage aImage = pImage->copy(aTR.mnSrcX, aTR.mnSrcY, aTR.mnSrcWidth, aTR.mnSrcHeight);
pImage = &aImage;
aTR.mnSrcX = 0;
aTR.mnSrcY = 0;
drawScaledImage(aTR, *pImage);
}
void QtGraphicsBackend::copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics)
{
if (rPosAry.mnSrcWidth <= 0 || rPosAry.mnSrcHeight <= 0 || rPosAry.mnDestWidth <= 0
|| rPosAry.mnDestHeight <= 0)
return;
QImage aImage, *pImage;
SalTwoRect aPosAry = rPosAry;
if (!pSrcGraphics)
{
pImage = m_pQImage;
aImage
= pImage->copy(rPosAry.mnSrcX, rPosAry.mnSrcY, rPosAry.mnSrcWidth, rPosAry.mnSrcHeight);
pImage = &aImage;
aPosAry.mnSrcX = 0;
aPosAry.mnSrcY = 0;
}
else
pImage = static_cast<QtGraphics*>(pSrcGraphics)->getQImage();
drawScaledImage(aPosAry, *pImage);
}
void QtGraphicsBackend::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
{
if (rPosAry.mnSrcWidth <= 0 || rPosAry.mnSrcHeight <= 0 || rPosAry.mnDestWidth <= 0
|| rPosAry.mnDestHeight <= 0)
return;
const QImage* pImage = static_cast<const QtBitmap*>(&rSalBitmap)->GetQImage();
assert(pImage);
drawScaledImage(rPosAry, *pImage);
}
void QtGraphicsBackend::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& /*rSalBitmap*/,
const SalBitmap& /*rTransparentBitmap*/)
{
if (rPosAry.mnSrcWidth <= 0 || rPosAry.mnSrcHeight <= 0 || rPosAry.mnDestWidth <= 0
|| rPosAry.mnDestHeight <= 0)
return;
assert(rPosAry.mnSrcWidth == rPosAry.mnDestWidth);
assert(rPosAry.mnSrcHeight == rPosAry.mnDestHeight);
}
void QtGraphicsBackend::drawMask(const SalTwoRect& rPosAry, const SalBitmap& /*rSalBitmap*/,
Color /*nMaskColor*/)
{
if (rPosAry.mnSrcWidth <= 0 || rPosAry.mnSrcHeight <= 0 || rPosAry.mnDestWidth <= 0
|| rPosAry.mnDestHeight <= 0)
return;
assert(rPosAry.mnSrcWidth == rPosAry.mnDestWidth);
assert(rPosAry.mnSrcHeight == rPosAry.mnDestHeight);
}
std::shared_ptr<SalBitmap> QtGraphicsBackend::getBitmap(tools::Long nX, tools::Long nY,
tools::Long nWidth, tools::Long nHeight)
{
return std::make_shared<QtBitmap>(m_pQImage->copy(nX, nY, nWidth, nHeight));
}
Color QtGraphicsBackend::getPixel(tools::Long nX, tools::Long nY)
{
return Color(ColorTransparency, m_pQImage->pixel(nX, nY));
}
void QtGraphicsBackend::invert(tools::Long nX, tools::Long nY, tools::Long nWidth,
tools::Long nHeight, SalInvert nFlags)
{
QtPainter aPainter(*this);
if (SalInvert::N50 & nFlags)
{
aPainter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
QBrush aBrush(Qt::white, Qt::Dense4Pattern);
aPainter.fillRect(nX, nY, nWidth, nHeight, aBrush);
}
else
{
if (SalInvert::TrackFrame & nFlags)
{
aPainter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
QPen aPen(Qt::white);
aPen.setStyle(Qt::DotLine);
aPainter.setPen(aPen);
aPainter.drawRect(nX, nY, nWidth, nHeight);
}
else
{
aPainter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
aPainter.fillRect(nX, nY, nWidth, nHeight, Qt::white);
}
}
aPainter.update(nX, nY, nWidth, nHeight);
}
void QtGraphicsBackend::invert(sal_uInt32 /*nPoints*/, const Point* /*pPtAry*/,
SalInvert /*nFlags*/)
{
}
bool QtGraphicsBackend::blendBitmap(const SalTwoRect&, const SalBitmap& /*rBitmap*/)
{
return false;
}
bool QtGraphicsBackend::blendAlphaBitmap(const SalTwoRect&, const SalBitmap& /*rSrcBitmap*/,
const SalBitmap& /*rMaskBitmap*/,
const SalBitmap& /*rAlphaBitmap*/)
{
return false;
}
static QImage getAlphaImage(const SalBitmap& rSourceBitmap, const SalBitmap& rAlphaBitmap)
{
assert(rSourceBitmap.GetSize() == rAlphaBitmap.GetSize());
assert(rAlphaBitmap.GetBitCount() == 8 || rAlphaBitmap.GetBitCount() == 1);
QImage aAlphaMask = *static_cast<const QtBitmap*>(&rAlphaBitmap)->GetQImage();
const QImage* pBitmap = static_cast<const QtBitmap*>(&rSourceBitmap)->GetQImage();
QImage aImage = pBitmap->convertToFormat(Qt_DefaultFormat32);
aImage.setAlphaChannel(aAlphaMask);
return aImage;
}
bool QtGraphicsBackend::drawAlphaBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSourceBitmap,
const SalBitmap& rAlphaBitmap)
{
drawScaledImage(rPosAry, getAlphaImage(rSourceBitmap, rAlphaBitmap));
return true;
}
bool QtGraphicsBackend::drawTransformedBitmap(const basegfx::B2DPoint& rNull,
const basegfx::B2DPoint& rX,
const basegfx::B2DPoint& rY,
const SalBitmap& rSourceBitmap,
const SalBitmap* pAlphaBitmap, double fAlpha)
{
QImage aImage;
if (!pAlphaBitmap)
aImage = *static_cast<const QtBitmap*>(&rSourceBitmap)->GetQImage();
else
aImage = getAlphaImage(rSourceBitmap, *pAlphaBitmap);
const basegfx::B2DVector aXRel = rX - rNull;
const basegfx::B2DVector aYRel = rY - rNull;
QtPainter aPainter(*this);
aPainter.setOpacity(fAlpha);
aPainter.setTransform(QTransform(aXRel.getX() / aImage.width(), aXRel.getY() / aImage.width(),
aYRel.getX() / aImage.height(), aYRel.getY() / aImage.height(),
rNull.getX(), rNull.getY()));
aPainter.drawImage(QPoint(0, 0), aImage);
aPainter.update(aImage.rect());
return true;
}
bool QtGraphicsBackend::drawAlphaRect(tools::Long nX, tools::Long nY, tools::Long nWidth,
tools::Long nHeight, sal_uInt8 nTransparency)
{
if (!m_oFillColor && !m_oLineColor)
return true;
assert(nTransparency <= 100);
if (nTransparency > 100)
nTransparency = 100;
QtPainter aPainter(*this, true, (100 - nTransparency) * (255.0 / 100));
if (m_oFillColor)
aPainter.fillRect(nX, nY, nWidth, nHeight, aPainter.brush());
if (m_oLineColor)
aPainter.drawRect(nX, nY, nWidth - 1, nHeight - 1);
aPainter.update(nX, nY, nWidth, nHeight);
return true;
}
sal_uInt16 QtGraphicsBackend::GetBitCount() const { return getFormatBits(m_pQImage->format()); }
tools::Long QtGraphicsBackend::GetGraphicsWidth() const { return m_pQImage->width(); }
void QtGraphicsBackend::SetLineColor() { m_oLineColor = std::nullopt; }
void QtGraphicsBackend::SetLineColor(Color nColor) { m_oLineColor = nColor; }
void QtGraphicsBackend::SetFillColor() { m_oFillColor = std::nullopt; }
void QtGraphicsBackend::SetFillColor(Color nColor) { m_oFillColor = nColor; }
void QtGraphicsBackend::SetXORMode(bool bSet, bool)
{
if (bSet)
m_eCompositionMode = QPainter::CompositionMode_Xor;
else
m_eCompositionMode = QPainter::CompositionMode_SourceOver;
}
void QtGraphicsBackend::SetROPLineColor(SalROPColor /*nROPColor*/) {}
void QtGraphicsBackend::SetROPFillColor(SalROPColor /*nROPColor*/) {}
bool QtGraphicsBackend::supportsOperation(OutDevSupportType /*eType*/) const { return false; }
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */