89b1d41e0d
instead of re-using an actual real color value, because it will totally not work when I convert vcl to use alpha instead of transparency Change-Id: I01f043e0b65ffd852989dfe28f2b9d5a43c9c3d7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145075 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
729 lines
24 KiB
C++
729 lines
24 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 <QtGraphics.hxx>
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#include <QtBitmap.hxx>
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#include <QtPainter.hxx>
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#include <sal/log.hxx>
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#include <QtGui/QPainter>
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#include <QtGui/QScreen>
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#include <QtGui/QWindow>
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#include <QtWidgets/QWidget>
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#include <numeric>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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QtGraphicsBackend::QtGraphicsBackend(QtFrame* pFrame, QImage* pQImage)
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: m_pFrame(pFrame)
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, m_pQImage(pQImage)
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, m_oLineColor(std::in_place, 0x00, 0x00, 0x00)
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, m_oFillColor(std::in_place, 0xFF, 0xFF, 0XFF)
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, m_eCompositionMode(QPainter::CompositionMode_SourceOver)
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{
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ResetClipRegion();
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}
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QtGraphicsBackend::~QtGraphicsBackend() {}
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const basegfx::B2DPoint aHalfPointOfs(0.5, 0.5);
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static void AddPolygonToPath(QPainterPath& rPath, const basegfx::B2DPolygon& rPolygon,
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bool bClosePath, bool bPixelSnap, bool bLineDraw)
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{
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const int nPointCount = rPolygon.count();
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// short circuit if there is nothing to do
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if (nPointCount == 0)
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return;
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const bool bHasCurves = rPolygon.areControlPointsUsed();
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for (int nPointIdx = 0, nPrevIdx = 0;; nPrevIdx = nPointIdx++)
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{
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int nClosedIdx = nPointIdx;
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if (nPointIdx >= nPointCount)
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{
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// prepare to close last curve segment if needed
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if (bClosePath && (nPointIdx == nPointCount))
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nClosedIdx = 0;
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else
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break;
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}
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basegfx::B2DPoint aPoint = rPolygon.getB2DPoint(nClosedIdx);
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if (bPixelSnap)
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{
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// snap device coordinates to full pixels
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aPoint.setX(basegfx::fround(aPoint.getX()));
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aPoint.setY(basegfx::fround(aPoint.getY()));
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}
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if (bLineDraw)
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aPoint += aHalfPointOfs;
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if (!nPointIdx)
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{
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// first point => just move there
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rPath.moveTo(aPoint.getX(), aPoint.getY());
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continue;
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}
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bool bPendingCurve = false;
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if (bHasCurves)
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{
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bPendingCurve = rPolygon.isNextControlPointUsed(nPrevIdx);
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bPendingCurve |= rPolygon.isPrevControlPointUsed(nClosedIdx);
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}
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if (!bPendingCurve) // line segment
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rPath.lineTo(aPoint.getX(), aPoint.getY());
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else // cubic bezier segment
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{
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basegfx::B2DPoint aCP1 = rPolygon.getNextControlPoint(nPrevIdx);
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basegfx::B2DPoint aCP2 = rPolygon.getPrevControlPoint(nClosedIdx);
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if (bLineDraw)
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{
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aCP1 += aHalfPointOfs;
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aCP2 += aHalfPointOfs;
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}
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rPath.cubicTo(aCP1.getX(), aCP1.getY(), aCP2.getX(), aCP2.getY(), aPoint.getX(),
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aPoint.getY());
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}
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}
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if (bClosePath)
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rPath.closeSubpath();
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}
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static bool AddPolyPolygonToPath(QPainterPath& rPath, const basegfx::B2DPolyPolygon& rPolyPoly,
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bool bPixelSnap, bool bLineDraw)
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{
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if (rPolyPoly.count() == 0)
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return false;
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for (auto const& rPolygon : rPolyPoly)
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{
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AddPolygonToPath(rPath, rPolygon, true, bPixelSnap, bLineDraw);
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}
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return true;
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}
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void QtGraphicsBackend::setClipRegion(const vcl::Region& rRegion)
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{
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if (rRegion.IsRectangle())
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{
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m_aClipRegion = toQRect(rRegion.GetBoundRect());
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if (!m_aClipPath.isEmpty())
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{
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QPainterPath aPath;
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m_aClipPath.swap(aPath);
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}
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}
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else if (!rRegion.HasPolyPolygonOrB2DPolyPolygon())
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{
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QRegion aQRegion;
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RectangleVector aRectangles;
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rRegion.GetRegionRectangles(aRectangles);
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for (const auto& rRect : aRectangles)
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aQRegion += toQRect(rRect);
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m_aClipRegion = aQRegion;
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if (!m_aClipPath.isEmpty())
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{
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QPainterPath aPath;
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m_aClipPath.swap(aPath);
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}
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}
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else
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{
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QPainterPath aPath;
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const basegfx::B2DPolyPolygon aPolyClip(rRegion.GetAsB2DPolyPolygon());
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AddPolyPolygonToPath(aPath, aPolyClip, !getAntiAlias(), false);
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m_aClipPath.swap(aPath);
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if (!m_aClipRegion.isEmpty())
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{
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QRegion aRegion;
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m_aClipRegion.swap(aRegion);
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}
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}
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}
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void QtGraphicsBackend::ResetClipRegion()
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{
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if (m_pQImage)
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m_aClipRegion = QRegion(m_pQImage->rect());
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else
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m_aClipRegion = QRegion();
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if (!m_aClipPath.isEmpty())
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{
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QPainterPath aPath;
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m_aClipPath.swap(aPath);
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}
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}
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void QtGraphicsBackend::drawPixel(tools::Long nX, tools::Long nY)
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{
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QtPainter aPainter(*this);
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aPainter.drawPoint(nX, nY);
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aPainter.update(nX, nY, 1, 1);
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}
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void QtGraphicsBackend::drawPixel(tools::Long nX, tools::Long nY, Color nColor)
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{
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QtPainter aPainter(*this);
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aPainter.setPen(toQColor(nColor));
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aPainter.setPen(Qt::SolidLine);
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aPainter.drawPoint(nX, nY);
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aPainter.update(nX, nY, 1, 1);
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}
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void QtGraphicsBackend::drawLine(tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2)
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{
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QtPainter aPainter(*this);
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aPainter.drawLine(nX1, nY1, nX2, nY2);
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tools::Long tmp;
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if (nX1 > nX2)
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{
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tmp = nX1;
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nX1 = nX2;
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nX2 = tmp;
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}
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if (nY1 > nY2)
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{
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tmp = nY1;
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nY1 = nY2;
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nY2 = tmp;
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}
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aPainter.update(nX1, nY1, nX2 - nX1 + 1, nY2 - nY1 + 1);
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}
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void QtGraphicsBackend::drawRect(tools::Long nX, tools::Long nY, tools::Long nWidth,
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tools::Long nHeight)
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{
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if (!m_oFillColor && !m_oLineColor)
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return;
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QtPainter aPainter(*this, true);
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if (m_oFillColor)
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aPainter.fillRect(nX, nY, nWidth, nHeight, aPainter.brush());
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if (m_oLineColor)
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aPainter.drawRect(nX, nY, nWidth - 1, nHeight - 1);
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aPainter.update(nX, nY, nWidth, nHeight);
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}
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void QtGraphicsBackend::drawPolyLine(sal_uInt32 nPoints, const Point* pPtAry)
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{
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if (0 == nPoints)
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return;
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QtPainter aPainter(*this);
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QPoint* pPoints = new QPoint[nPoints];
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QPoint aTopLeft(pPtAry->getX(), pPtAry->getY());
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QPoint aBottomRight = aTopLeft;
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for (sal_uInt32 i = 0; i < nPoints; ++i, ++pPtAry)
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{
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pPoints[i] = QPoint(pPtAry->getX(), pPtAry->getY());
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if (pPtAry->getX() < aTopLeft.x())
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aTopLeft.setX(pPtAry->getX());
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if (pPtAry->getY() < aTopLeft.y())
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aTopLeft.setY(pPtAry->getY());
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if (pPtAry->getX() > aBottomRight.x())
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aBottomRight.setX(pPtAry->getX());
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if (pPtAry->getY() > aBottomRight.y())
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aBottomRight.setY(pPtAry->getY());
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}
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aPainter.drawPolyline(pPoints, nPoints);
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delete[] pPoints;
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aPainter.update(QRect(aTopLeft, aBottomRight));
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}
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void QtGraphicsBackend::drawPolygon(sal_uInt32 nPoints, const Point* pPtAry)
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{
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QtPainter aPainter(*this, true);
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QPolygon aPolygon(nPoints);
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for (sal_uInt32 i = 0; i < nPoints; ++i, ++pPtAry)
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aPolygon.setPoint(i, pPtAry->getX(), pPtAry->getY());
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aPainter.drawPolygon(aPolygon);
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aPainter.update(aPolygon.boundingRect());
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}
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void QtGraphicsBackend::drawPolyPolygon(sal_uInt32 nPolyCount, const sal_uInt32* pPoints,
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const Point** ppPtAry)
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{
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// ignore invisible polygons
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if (!m_oFillColor && !m_oLineColor)
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return;
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QPainterPath aPath;
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for (sal_uInt32 nPoly = 0; nPoly < nPolyCount; nPoly++)
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{
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const sal_uInt32 nPoints = pPoints[nPoly];
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if (nPoints > 1)
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{
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const Point* pPtAry = ppPtAry[nPoly];
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aPath.moveTo(pPtAry->getX(), pPtAry->getY());
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pPtAry++;
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for (sal_uInt32 nPoint = 1; nPoint < nPoints; nPoint++, pPtAry++)
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aPath.lineTo(pPtAry->getX(), pPtAry->getY());
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aPath.closeSubpath();
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}
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}
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QtPainter aPainter(*this, true);
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aPainter.drawPath(aPath);
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aPainter.update(aPath.boundingRect());
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}
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bool QtGraphicsBackend::drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice,
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const basegfx::B2DPolyPolygon& rPolyPolygon,
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double fTransparency)
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{
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// ignore invisible polygons
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if (!m_oFillColor && !m_oLineColor)
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return true;
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if ((fTransparency >= 1.0) || (fTransparency < 0))
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return true;
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// Fallback: Transform to DeviceCoordinates
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basegfx::B2DPolyPolygon aPolyPolygon(rPolyPolygon);
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aPolyPolygon.transform(rObjectToDevice);
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QPainterPath aPath;
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// ignore empty polygons
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if (!AddPolyPolygonToPath(aPath, aPolyPolygon, !getAntiAlias(), m_oLineColor.has_value()))
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return true;
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QtPainter aPainter(*this, true, 255 * (1.0 - fTransparency));
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aPainter.drawPath(aPath);
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aPainter.update(aPath.boundingRect());
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return true;
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}
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bool QtGraphicsBackend::drawPolyLineBezier(sal_uInt32 /*nPoints*/, const Point* /*pPtAry*/,
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const PolyFlags* /*pFlgAry*/)
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{
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return false;
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}
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bool QtGraphicsBackend::drawPolygonBezier(sal_uInt32 /*nPoints*/, const Point* /*pPtAry*/,
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const PolyFlags* /*pFlgAry*/)
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{
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return false;
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}
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bool QtGraphicsBackend::drawPolyPolygonBezier(sal_uInt32 /*nPoly*/, const sal_uInt32* /*pPoints*/,
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const Point* const* /*pPtAry*/,
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const PolyFlags* const* /*pFlgAry*/)
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{
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return false;
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}
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bool QtGraphicsBackend::drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice,
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const basegfx::B2DPolygon& rPolyLine, double fTransparency,
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double fLineWidth,
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const std::vector<double>* pStroke, // MM01
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basegfx::B2DLineJoin eLineJoin, css::drawing::LineCap eLineCap,
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double fMiterMinimumAngle, bool bPixelSnapHairline)
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{
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if (!m_oFillColor && !m_oLineColor)
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{
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return true;
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}
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// MM01 check done for simple reasons
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if (!rPolyLine.count() || fTransparency < 0.0 || fTransparency > 1.0)
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{
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return true;
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}
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// MM01 need to do line dashing as fallback stuff here now
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const double fDotDashLength(
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nullptr != pStroke ? std::accumulate(pStroke->begin(), pStroke->end(), 0.0) : 0.0);
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const bool bStrokeUsed(0.0 != fDotDashLength);
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assert(!bStrokeUsed || (bStrokeUsed && pStroke));
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basegfx::B2DPolyPolygon aPolyPolygonLine;
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if (bStrokeUsed)
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{
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// apply LineStyle
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basegfx::utils::applyLineDashing(rPolyLine, // source
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*pStroke, // pattern
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&aPolyPolygonLine, // target for lines
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nullptr, // target for gaps
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fDotDashLength); // full length if available
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}
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else
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{
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// no line dashing, just copy
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aPolyPolygonLine.append(rPolyLine);
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}
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// Transform to DeviceCoordinates, get DeviceLineWidth, execute PixelSnapHairline
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aPolyPolygonLine.transform(rObjectToDevice);
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if (bPixelSnapHairline)
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{
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aPolyPolygonLine = basegfx::utils::snapPointsOfHorizontalOrVerticalEdges(aPolyPolygonLine);
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}
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// tdf#124848 get correct LineWidth in discrete coordinates,
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if (fLineWidth == 0) // hairline
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fLineWidth = 1.0;
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else // Adjust line width for object-to-device scale.
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fLineWidth = (rObjectToDevice * basegfx::B2DVector(fLineWidth, 0)).getLength();
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// setup poly-polygon path
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QPainterPath aPath;
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// MM01 todo - I assume that this is OKAY to be done in one run for Qt,
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// but this NEEDS to be checked/verified
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for (sal_uInt32 a(0); a < aPolyPolygonLine.count(); a++)
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{
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const basegfx::B2DPolygon aPolyLine(aPolyPolygonLine.getB2DPolygon(a));
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AddPolygonToPath(aPath, aPolyLine, aPolyLine.isClosed(), !getAntiAlias(), true);
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}
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QtPainter aPainter(*this, false, 255 * (1.0 - fTransparency));
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// setup line attributes
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QPen aPen = aPainter.pen();
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aPen.setWidth(fLineWidth);
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switch (eLineJoin)
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{
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case basegfx::B2DLineJoin::Bevel:
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aPen.setJoinStyle(Qt::BevelJoin);
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break;
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case basegfx::B2DLineJoin::Round:
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aPen.setJoinStyle(Qt::RoundJoin);
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break;
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case basegfx::B2DLineJoin::NONE:
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case basegfx::B2DLineJoin::Miter:
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aPen.setMiterLimit(1.0 / sin(fMiterMinimumAngle / 2.0));
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aPen.setJoinStyle(Qt::MiterJoin);
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break;
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}
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switch (eLineCap)
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{
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default: // css::drawing::LineCap_BUTT:
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aPen.setCapStyle(Qt::FlatCap);
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break;
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case css::drawing::LineCap_ROUND:
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aPen.setCapStyle(Qt::RoundCap);
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break;
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case css::drawing::LineCap_SQUARE:
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aPen.setCapStyle(Qt::SquareCap);
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break;
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}
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aPainter.setPen(aPen);
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aPainter.drawPath(aPath);
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aPainter.update(aPath.boundingRect());
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return true;
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}
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bool QtGraphicsBackend::drawGradient(const tools::PolyPolygon& /*rPolyPolygon*/,
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const Gradient& /*rGradient*/)
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{
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return false;
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}
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bool QtGraphicsBackend::implDrawGradient(basegfx::B2DPolyPolygon const& /*rPolyPolygon*/,
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SalGradient const& /*rGradient*/)
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{
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return false;
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}
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void QtGraphicsBackend::drawScaledImage(const SalTwoRect& rPosAry, const QImage& rImage)
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{
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QtPainter aPainter(*this);
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QRect aSrcRect(rPosAry.mnSrcX, rPosAry.mnSrcY, rPosAry.mnSrcWidth, rPosAry.mnSrcHeight);
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QRect aDestRect(rPosAry.mnDestX, rPosAry.mnDestY, rPosAry.mnDestWidth, rPosAry.mnDestHeight);
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aPainter.drawImage(aDestRect, rImage, aSrcRect);
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aPainter.update(aDestRect);
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}
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void QtGraphicsBackend::copyArea(tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX,
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tools::Long nSrcY, tools::Long nSrcWidth, tools::Long nSrcHeight,
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bool /*bWindowInvalidate*/)
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{
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if (nDestX == nSrcX && nDestY == nSrcY)
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return;
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SalTwoRect aTR(nSrcX, nSrcY, nSrcWidth, nSrcHeight, nDestX, nDestY, nSrcWidth, nSrcHeight);
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QImage* pImage = m_pQImage;
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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::drawEPS(tools::Long /*nX*/, tools::Long /*nY*/, tools::Long /*nWidth*/,
|
|
tools::Long /*nHeight*/, void* /*pPtr*/, sal_uInt32 /*nSize*/)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
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();
|
|
aAlphaMask.invertPixels();
|
|
|
|
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::hasFastDrawTransformedBitmap() const { return false; }
|
|
|
|
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
|
|
{
|
|
switch (eType)
|
|
{
|
|
case OutDevSupportType::B2DDraw:
|
|
case OutDevSupportType::TransparentRect:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void QtGraphics::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;
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
|
|
QScreen* pScreen = m_pFrame->GetQWidget()->screen();
|
|
#else
|
|
if (!m_pFrame->GetQWidget()->window()->windowHandle())
|
|
return;
|
|
|
|
QScreen* pScreen = m_pFrame->GetQWidget()->window()->windowHandle()->screen();
|
|
#endif
|
|
rDPIX = pScreen->logicalDotsPerInchX() * pScreen->devicePixelRatio() + 0.5;
|
|
rDPIY = pScreen->logicalDotsPerInchY() * pScreen->devicePixelRatio() + 0.5;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|