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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/.
+ *
+ * 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 "vclprocessor2d.hxx"
+
+#include "getdigitlanguage.hxx"
+#include "vclhelperbufferdevice.hxx"
+#include <cmath>
+#include <comphelper/string.hxx>
+#include <svtools/optionsdrawinglayer.hxx>
+#include <tools/debug.hxx>
+#include <vcl/graph.hxx>
+#include <vcl/outdev.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <basegfx/polygon/b2dpolygonclipper.hxx>
+#include <basegfx/color/bcolor.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <drawinglayer/primitive2d/textprimitive2d.hxx>
+#include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
+#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
+#include <drawinglayer/primitive2d/fillgraphicprimitive2d.hxx>
+#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
+#include <drawinglayer/primitive2d/PolygonStrokePrimitive2D.hxx>
+#include <drawinglayer/primitive2d/PolyPolygonGraphicPrimitive2D.hxx>
+#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
+#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
+#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
+#include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
+#include <drawinglayer/primitive2d/textenumsprimitive2d.hxx>
+#include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>
+// for support of Title/Description in all apps when embedding pictures
+#include <drawinglayer/primitive2d/objectinfoprimitive2d.hxx>
+// control support
+#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
+
+#include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
+#include <drawinglayer/primitive2d/epsprimitive2d.hxx>
+
+using namespace com::sun::star;
+
+namespace
+{
+sal_uInt32 calculateStepsForSvgGradient(const basegfx::BColor& rColorA,
+ const basegfx::BColor& rColorB, double fDelta,
+ double fDiscreteUnit)
+{
+ // use color distance, assume to do every color step
+ sal_uInt32 nSteps(basegfx::fround(rColorA.getDistance(rColorB) * 255.0));
+
+ if (nSteps)
+ {
+ // calc discrete length to change color each discrete unit (pixel)
+ const sal_uInt32 nDistSteps(basegfx::fround(fDelta / fDiscreteUnit));
+
+ nSteps = std::min(nSteps, nDistSteps);
+ }
+
+ // reduce quality to 3 discrete units or every 3rd color step for rendering
+ nSteps /= 2;
+
+ // roughly cut when too big or too small (not full quality, reduce complexity)
+ nSteps = std::min(nSteps, sal_uInt32(255));
+ nSteps = std::max(nSteps, sal_uInt32(1));
+
+ return nSteps;
+}
+}
+
+namespace drawinglayer::processor2d
+{
+// rendering support
+
+// directdraw of text simple portion or decorated portion primitive. When decorated, all the extra
+// information is translated to VCL parameters and set at the font.
+// Acceptance is restricted to no shearing and positive scaling in X and Y (no font mirroring
+// for VCL)
+void VclProcessor2D::RenderTextSimpleOrDecoratedPortionPrimitive2D(
+ const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate)
+{
+ // decompose matrix to have position and size of text
+ basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation
+ * rTextCandidate.getTextTransform());
+ basegfx::B2DVector aFontScaling, aTranslate;
+ double fRotate, fShearX;
+ aLocalTransform.decompose(aFontScaling, aTranslate, fRotate, fShearX);
+ bool bPrimitiveAccepted(false);
+
+ // tdf#95581: Assume tiny shears are rounding artefacts or whatever and can be ignored,
+ // especially if the effect is less than a pixel.
+ if (std::abs(aFontScaling.getY() * fShearX) < 1)
+ {
+ if (basegfx::fTools::less(aFontScaling.getX(), 0.0)
+ && basegfx::fTools::less(aFontScaling.getY(), 0.0))
+ {
+ // handle special case: If scale is negative in (x,y) (3rd quadrant), it can
+ // be expressed as rotation by PI. Use this since the Font rendering will not
+ // apply the negative scales in any form
+ aFontScaling = basegfx::absolute(aFontScaling);
+ fRotate += M_PI;
+ }
+
+ if (basegfx::fTools::more(aFontScaling.getX(), 0.0)
+ && basegfx::fTools::more(aFontScaling.getY(), 0.0))
+ {
+ // Get the VCL font (use FontHeight as FontWidth)
+ vcl::Font aFont(primitive2d::getVclFontFromFontAttribute(
+ rTextCandidate.getFontAttribute(), aFontScaling.getX(), aFontScaling.getY(),
+ fRotate, rTextCandidate.getLocale()));
+
+ // Don't draw fonts without height
+ if (aFont.GetFontHeight() <= 0)
+ return;
+
+ // set FillColor Attribute
+ const Color aFillColor(rTextCandidate.getTextFillColor());
+ if (aFillColor != COL_TRANSPARENT)
+ {
+ aFont.SetFillColor(aFillColor);
+ aFont.SetTransparent(false);
+ }
+
+ // handle additional font attributes
+ const primitive2d::TextDecoratedPortionPrimitive2D* pTCPP = nullptr;
+ if (rTextCandidate.getPrimitive2DID() == PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D)
+ pTCPP = static_cast<const primitive2d::TextDecoratedPortionPrimitive2D*>(
+ &rTextCandidate);
+
+ if (pTCPP != nullptr)
+ {
+ // set the color of text decorations
+ const basegfx::BColor aTextlineColor
+ = maBColorModifierStack.getModifiedColor(pTCPP->getTextlineColor());
+ mpOutputDevice->SetTextLineColor(Color(aTextlineColor));
+
+ // set Overline attribute
+ const FontLineStyle eFontOverline(
+ primitive2d::mapTextLineToFontLineStyle(pTCPP->getFontOverline()));
+ if (eFontOverline != LINESTYLE_NONE)
+ {
+ aFont.SetOverline(eFontOverline);
+ const basegfx::BColor aOverlineColor
+ = maBColorModifierStack.getModifiedColor(pTCPP->getOverlineColor());
+ mpOutputDevice->SetOverlineColor(Color(aOverlineColor));
+ if (pTCPP->getWordLineMode())
+ aFont.SetWordLineMode(true);
+ }
+
+ // set Underline attribute
+ const FontLineStyle eFontLineStyle(
+ primitive2d::mapTextLineToFontLineStyle(pTCPP->getFontUnderline()));
+ if (eFontLineStyle != LINESTYLE_NONE)
+ {
+ aFont.SetUnderline(eFontLineStyle);
+ if (pTCPP->getWordLineMode())
+ aFont.SetWordLineMode(true);
+ }
+
+ // set Strikeout attribute
+ const FontStrikeout eFontStrikeout(
+ primitive2d::mapTextStrikeoutToFontStrikeout(pTCPP->getTextStrikeout()));
+
+ if (eFontStrikeout != STRIKEOUT_NONE)
+ aFont.SetStrikeout(eFontStrikeout);
+
+ // set EmphasisMark attribute
+ FontEmphasisMark eFontEmphasisMark = FontEmphasisMark::NONE;
+ switch (pTCPP->getTextEmphasisMark())
+ {
+ default:
+ SAL_WARN("drawinglayer",
+ "Unknown EmphasisMark style " << pTCPP->getTextEmphasisMark());
+ [[fallthrough]];
+ case primitive2d::TEXT_FONT_EMPHASIS_MARK_NONE:
+ eFontEmphasisMark = FontEmphasisMark::NONE;
+ break;
+ case primitive2d::TEXT_FONT_EMPHASIS_MARK_DOT:
+ eFontEmphasisMark = FontEmphasisMark::Dot;
+ break;
+ case primitive2d::TEXT_FONT_EMPHASIS_MARK_CIRCLE:
+ eFontEmphasisMark = FontEmphasisMark::Circle;
+ break;
+ case primitive2d::TEXT_FONT_EMPHASIS_MARK_DISC:
+ eFontEmphasisMark = FontEmphasisMark::Disc;
+ break;
+ case primitive2d::TEXT_FONT_EMPHASIS_MARK_ACCENT:
+ eFontEmphasisMark = FontEmphasisMark::Accent;
+ break;
+ }
+
+ if (eFontEmphasisMark != FontEmphasisMark::NONE)
+ {
+ DBG_ASSERT((pTCPP->getEmphasisMarkAbove() != pTCPP->getEmphasisMarkBelow()),
+ "DrawingLayer: Bad EmphasisMark position!");
+ if (pTCPP->getEmphasisMarkAbove())
+ eFontEmphasisMark |= FontEmphasisMark::PosAbove;
+ else
+ eFontEmphasisMark |= FontEmphasisMark::PosBelow;
+ aFont.SetEmphasisMark(eFontEmphasisMark);
+ }
+
+ // set Relief attribute
+ FontRelief eFontRelief = FontRelief::NONE;
+ switch (pTCPP->getTextRelief())
+ {
+ default:
+ SAL_WARN("drawinglayer", "Unknown Relief style " << pTCPP->getTextRelief());
+ [[fallthrough]];
+ case primitive2d::TEXT_RELIEF_NONE:
+ eFontRelief = FontRelief::NONE;
+ break;
+ case primitive2d::TEXT_RELIEF_EMBOSSED:
+ eFontRelief = FontRelief::Embossed;
+ break;
+ case primitive2d::TEXT_RELIEF_ENGRAVED:
+ eFontRelief = FontRelief::Engraved;
+ break;
+ }
+
+ if (eFontRelief != FontRelief::NONE)
+ aFont.SetRelief(eFontRelief);
+
+ // set Shadow attribute
+ if (pTCPP->getShadow())
+ aFont.SetShadow(true);
+ }
+
+ // create transformed integer DXArray in view coordinate system
+ std::vector<sal_Int32> aTransformedDXArray;
+
+ if (!rTextCandidate.getDXArray().empty())
+ {
+ aTransformedDXArray.reserve(rTextCandidate.getDXArray().size());
+ const basegfx::B2DVector aPixelVector(maCurrentTransformation
+ * basegfx::B2DVector(1.0, 0.0));
+ const double fPixelVectorFactor(aPixelVector.getLength());
+
+ for (auto const& elem : rTextCandidate.getDXArray())
+ {
+ aTransformedDXArray.push_back(basegfx::fround(elem * fPixelVectorFactor));
+ }
+ }
+
+ // set parameters and paint text snippet
+ const basegfx::BColor aRGBFontColor(
+ maBColorModifierStack.getModifiedColor(rTextCandidate.getFontColor()));
+ const basegfx::B2DPoint aPoint(aLocalTransform * basegfx::B2DPoint(0.0, 0.0));
+ const Point aStartPoint(basegfx::fround(aPoint.getX()), basegfx::fround(aPoint.getY()));
+ const vcl::text::ComplexTextLayoutFlags nOldLayoutMode(mpOutputDevice->GetLayoutMode());
+
+ if (rTextCandidate.getFontAttribute().getRTL())
+ {
+ vcl::text::ComplexTextLayoutFlags nRTLLayoutMode(
+ nOldLayoutMode & ~vcl::text::ComplexTextLayoutFlags::BiDiStrong);
+ nRTLLayoutMode |= vcl::text::ComplexTextLayoutFlags::BiDiRtl
+ | vcl::text::ComplexTextLayoutFlags::TextOriginLeft;
+ mpOutputDevice->SetLayoutMode(nRTLLayoutMode);
+ }
+
+ mpOutputDevice->SetFont(aFont);
+ mpOutputDevice->SetTextColor(Color(aRGBFontColor));
+
+ OUString aText(rTextCandidate.getText());
+ sal_Int32 nPos = rTextCandidate.getTextPosition();
+ sal_Int32 nLen = rTextCandidate.getTextLength();
+
+ if (rTextCandidate.isFilled())
+ {
+ basegfx::B2DVector aOldFontScaling, aOldTranslate;
+ double fOldRotate, fOldShearX;
+ rTextCandidate.getTextTransform().decompose(aOldFontScaling, aOldTranslate,
+ fOldRotate, fOldShearX);
+
+ tools::Long nWidthToFill = static_cast<tools::Long>(
+ rTextCandidate.getWidthToFill() * aFontScaling.getX() / aOldFontScaling.getX());
+
+ tools::Long nWidth = mpOutputDevice->GetTextArray(rTextCandidate.getText(),
+ &aTransformedDXArray, 0, 1);
+ sal_Int32 nChars = 2;
+ if (nWidth)
+ nChars = nWidthToFill / nWidth;
+
+ OUStringBuffer aFilled(nChars);
+ comphelper::string::padToLength(aFilled, nChars, aText[0]);
+ aText = aFilled.makeStringAndClear();
+ nPos = 0;
+ nLen = nChars;
+
+ if (!aTransformedDXArray.empty())
+ {
+ sal_Int32 nDX = aTransformedDXArray[0];
+ aTransformedDXArray.resize(nLen);
+ for (sal_Int32 i = 1; i < nLen; ++i)
+ aTransformedDXArray[i] = aTransformedDXArray[i - 1] + nDX;
+ }
+ }
+
+ if (!aTransformedDXArray.empty())
+ {
+ mpOutputDevice->DrawTextArray(aStartPoint, aText, aTransformedDXArray, nPos, nLen);
+ }
+ else
+ {
+ mpOutputDevice->DrawText(aStartPoint, aText, nPos, nLen);
+ }
+
+ if (rTextCandidate.getFontAttribute().getRTL())
+ {
+ mpOutputDevice->SetLayoutMode(nOldLayoutMode);
+ }
+
+ bPrimitiveAccepted = true;
+ }
+ }
+
+ if (!bPrimitiveAccepted)
+ {
+ // let break down
+ process(rTextCandidate);
+ }
+}
+
+// direct draw of hairline
+void VclProcessor2D::RenderPolygonHairlinePrimitive2D(
+ const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate, bool bPixelBased)
+{
+ const basegfx::BColor aHairlineColor(
+ maBColorModifierStack.getModifiedColor(rPolygonCandidate.getBColor()));
+ mpOutputDevice->SetLineColor(Color(aHairlineColor));
+ mpOutputDevice->SetFillColor();
+
+ basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
+ aLocalPolygon.transform(maCurrentTransformation);
+
+ if (bPixelBased && SvtOptionsDrawinglayer::IsAntiAliasing()
+ && SvtOptionsDrawinglayer::IsSnapHorVerLinesToDiscrete())
+ {
+ // #i98289#
+ // when a Hairline is painted and AntiAliasing is on the option SnapHorVerLinesToDiscrete
+ // allows to suppress AntiAliasing for pure horizontal or vertical lines. This is done since
+ // not-AntiAliased such lines look more pleasing to the eye (e.g. 2D chart content). This
+ // NEEDS to be done in discrete coordinates, so only useful for pixel based rendering.
+ aLocalPolygon = basegfx::utils::snapPointsOfHorizontalOrVerticalEdges(aLocalPolygon);
+ }
+
+ mpOutputDevice->DrawPolyLine(aLocalPolygon, 0.0);
+}
+
+// direct draw of transformed BitmapEx primitive
+void VclProcessor2D::RenderBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D& rBitmapCandidate)
+{
+ BitmapEx aBitmapEx(VCLUnoHelper::GetBitmap(rBitmapCandidate.getXBitmap()));
+ const basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation
+ * rBitmapCandidate.getTransform());
+
+ if (maBColorModifierStack.count())
+ {
+ aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
+
+ if (aBitmapEx.IsEmpty())
+ {
+ // color gets completely replaced, get it
+ const basegfx::BColor aModifiedColor(
+ maBColorModifierStack.getModifiedColor(basegfx::BColor()));
+ basegfx::B2DPolygon aPolygon(basegfx::utils::createUnitPolygon());
+ aPolygon.transform(aLocalTransform);
+
+ mpOutputDevice->SetFillColor(Color(aModifiedColor));
+ mpOutputDevice->SetLineColor();
+ mpOutputDevice->DrawPolygon(aPolygon);
+
+ return;
+ }
+ }
+
+ // #122923# do no longer add Alpha channel here; the right place to do this is when really
+ // the own transformer is used (see OutputDevice::DrawTransformedBitmapEx).
+
+ // draw using OutputDevice'sDrawTransformedBitmapEx
+ mpOutputDevice->DrawTransformedBitmapEx(aLocalTransform, aBitmapEx);
+}
+
+void VclProcessor2D::RenderFillGraphicPrimitive2D(
+ const primitive2d::FillGraphicPrimitive2D& rFillBitmapCandidate)
+{
+ const attribute::FillGraphicAttribute& rFillGraphicAttribute(
+ rFillBitmapCandidate.getFillGraphic());
+ bool bPrimitiveAccepted(false);
+
+ // #121194# when tiling is used and content is bitmap-based, do direct tiling in the
+ // renderer on pixel base to ensure tight fitting. Do not do this when
+ // the fill is rotated or sheared.
+ if (rFillGraphicAttribute.getTiling())
+ {
+ // content is bitmap(ex)
+ //
+ // for Vector Graphic Data (SVG, EMF+) support, force decomposition when present. This will lead to use
+ // the primitive representation of the vector data directly.
+ //
+ // when graphic is animated, force decomposition to use the correct graphic, else
+ // fill style will not be animated
+ if (GraphicType::Bitmap == rFillGraphicAttribute.getGraphic().GetType()
+ && !rFillGraphicAttribute.getGraphic().getVectorGraphicData()
+ && !rFillGraphicAttribute.getGraphic().IsAnimated())
+ {
+ // decompose matrix to check for shear, rotate and mirroring
+ basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation
+ * rFillBitmapCandidate.getTransformation());
+ basegfx::B2DVector aScale, aTranslate;
+ double fRotate, fShearX;
+ aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);
+
+ // when nopt rotated/sheared
+ if (basegfx::fTools::equalZero(fRotate) && basegfx::fTools::equalZero(fShearX))
+ {
+ // no shear or rotate, draw direct in pixel coordinates
+ bPrimitiveAccepted = true;
+
+ // transform object range to device coordinates (pixels). Use
+ // the device transformation for better accuracy
+ basegfx::B2DRange aObjectRange(aTranslate, aTranslate + aScale);
+ aObjectRange.transform(mpOutputDevice->GetViewTransformation());
+
+ // extract discrete size of object
+ const sal_Int32 nOWidth(basegfx::fround(aObjectRange.getWidth()));
+ const sal_Int32 nOHeight(basegfx::fround(aObjectRange.getHeight()));
+
+ // only do something when object has a size in discrete units
+ if (nOWidth > 0 && nOHeight > 0)
+ {
+ // transform graphic range to device coordinates (pixels). Use
+ // the device transformation for better accuracy
+ basegfx::B2DRange aGraphicRange(rFillGraphicAttribute.getGraphicRange());
+ aGraphicRange.transform(mpOutputDevice->GetViewTransformation()
+ * aLocalTransform);
+
+ // extract discrete size of graphic
+ // caution: when getting to zero, nothing would be painted; thus, do not allow this
+ const sal_Int32 nBWidth(
+ std::max(sal_Int32(1), basegfx::fround(aGraphicRange.getWidth())));
+ const sal_Int32 nBHeight(
+ std::max(sal_Int32(1), basegfx::fround(aGraphicRange.getHeight())));
+
+ // only do something when bitmap fill has a size in discrete units
+ if (nBWidth > 0 && nBHeight > 0)
+ {
+ // nBWidth, nBHeight is the pixel size of the needed bitmap. To not need to scale it
+ // in vcl many times, create a size-optimized version
+ const Size aNeededBitmapSizePixel(nBWidth, nBHeight);
+ BitmapEx aBitmapEx(rFillGraphicAttribute.getGraphic().GetBitmapEx());
+ const bool bPreScaled(nBWidth * nBHeight < (250 * 250));
+
+ // ... but only up to a maximum size, else it gets too expensive
+ if (bPreScaled)
+ {
+ // if color depth is below 24bit, expand before scaling for better quality.
+ // This is even needed for low colors, else the scale will produce
+ // a bitmap in gray or Black/White (!)
+ if (isPalettePixelFormat(aBitmapEx.getPixelFormat()))
+ {
+ aBitmapEx.Convert(BmpConversion::N24Bit);
+ }
+
+ aBitmapEx.Scale(aNeededBitmapSizePixel, BmpScaleFlag::Interpolate);
+ }
+
+ bool bPainted(false);
+
+ if (maBColorModifierStack.count())
+ {
+ // when color modifier, apply to bitmap
+ aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
+
+ // impModifyBitmapEx uses empty bitmap as sign to return that
+ // the content will be completely replaced to mono color, use shortcut
+ if (aBitmapEx.IsEmpty())
+ {
+ // color gets completely replaced, get it
+ const basegfx::BColor aModifiedColor(
+ maBColorModifierStack.getModifiedColor(basegfx::BColor()));
+ basegfx::B2DPolygon aPolygon(basegfx::utils::createUnitPolygon());
+ aPolygon.transform(aLocalTransform);
+
+ mpOutputDevice->SetFillColor(Color(aModifiedColor));
+ mpOutputDevice->SetLineColor();
+ mpOutputDevice->DrawPolygon(aPolygon);
+
+ bPainted = true;
+ }
+ }
+
+ if (!bPainted)
+ {
+ sal_Int32 nBLeft(basegfx::fround(aGraphicRange.getMinX()));
+ sal_Int32 nBTop(basegfx::fround(aGraphicRange.getMinY()));
+ const sal_Int32 nOLeft(basegfx::fround(aObjectRange.getMinX()));
+ const sal_Int32 nOTop(basegfx::fround(aObjectRange.getMinY()));
+ sal_Int32 nPosX(0);
+ sal_Int32 nPosY(0);
+
+ if (nBLeft > nOLeft)
+ {
+ const sal_Int32 nDiff((nBLeft / nBWidth) + 1);
+
+ nPosX -= nDiff;
+ nBLeft -= nDiff * nBWidth;
+ }
+
+ if (nBLeft + nBWidth <= nOLeft)
+ {
+ const sal_Int32 nDiff(-nBLeft / nBWidth);
+
+ nPosX += nDiff;
+ nBLeft += nDiff * nBWidth;
+ }
+
+ if (nBTop > nOTop)
+ {
+ const sal_Int32 nDiff((nBTop / nBHeight) + 1);
+
+ nPosY -= nDiff;
+ nBTop -= nDiff * nBHeight;
+ }
+
+ if (nBTop + nBHeight <= nOTop)
+ {
+ const sal_Int32 nDiff(-nBTop / nBHeight);
+
+ nPosY += nDiff;
+ nBTop += nDiff * nBHeight;
+ }
+
+ // prepare OutDev
+ const Point aEmptyPoint(0, 0);
+ const ::tools::Rectangle aVisiblePixel(
+ aEmptyPoint, mpOutputDevice->GetOutputSizePixel());
+ const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
+ mpOutputDevice->EnableMapMode(false);
+
+ // check if offset is used
+ const sal_Int32 nOffsetX(
+ basegfx::fround(rFillGraphicAttribute.getOffsetX() * nBWidth));
+
+ if (nOffsetX)
+ {
+ // offset in X, so iterate over Y first and draw lines
+ for (sal_Int32 nYPos(nBTop); nYPos < nOTop + nOHeight;
+ nYPos += nBHeight, nPosY++)
+ {
+ for (sal_Int32 nXPos((nPosY % 2) ? nBLeft - nBWidth + nOffsetX
+ : nBLeft);
+ nXPos < nOLeft + nOWidth; nXPos += nBWidth)
+ {
+ const ::tools::Rectangle aOutRectPixel(
+ Point(nXPos, nYPos), aNeededBitmapSizePixel);
+
+ if (aOutRectPixel.Overlaps(aVisiblePixel))
+ {
+ if (bPreScaled)
+ {
+ mpOutputDevice->DrawBitmapEx(
+ aOutRectPixel.TopLeft(), aBitmapEx);
+ }
+ else
+ {
+ mpOutputDevice->DrawBitmapEx(
+ aOutRectPixel.TopLeft(), aNeededBitmapSizePixel,
+ aBitmapEx);
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ // check if offset is used
+ const sal_Int32 nOffsetY(
+ basegfx::fround(rFillGraphicAttribute.getOffsetY() * nBHeight));
+
+ // possible offset in Y, so iterate over X first and draw columns
+ for (sal_Int32 nXPos(nBLeft); nXPos < nOLeft + nOWidth;
+ nXPos += nBWidth, nPosX++)
+ {
+ for (sal_Int32 nYPos((nPosX % 2) ? nBTop - nBHeight + nOffsetY
+ : nBTop);
+ nYPos < nOTop + nOHeight; nYPos += nBHeight)
+ {
+ const ::tools::Rectangle aOutRectPixel(
+ Point(nXPos, nYPos), aNeededBitmapSizePixel);
+
+ if (aOutRectPixel.Overlaps(aVisiblePixel))
+ {
+ if (bPreScaled)
+ {
+ mpOutputDevice->DrawBitmapEx(
+ aOutRectPixel.TopLeft(), aBitmapEx);
+ }
+ else
+ {
+ mpOutputDevice->DrawBitmapEx(
+ aOutRectPixel.TopLeft(), aNeededBitmapSizePixel,
+ aBitmapEx);
+ }
+ }
+ }
+ }
+ }
+
+ // restore OutDev
+ mpOutputDevice->EnableMapMode(bWasEnabled);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (!bPrimitiveAccepted)
+ {
+ // do not accept, use decomposition
+ process(rFillBitmapCandidate);
+ }
+}
+
+// direct draw of Graphic
+void VclProcessor2D::RenderPolyPolygonGraphicPrimitive2D(
+ const primitive2d::PolyPolygonGraphicPrimitive2D& rPolygonCandidate)
+{
+ bool bDone(false);
+ const basegfx::B2DPolyPolygon& rPolyPolygon = rPolygonCandidate.getB2DPolyPolygon();
+
+ // #121194# Todo: check if this works
+ if (!rPolyPolygon.count())
+ {
+ // empty polyPolygon, done
+ bDone = true;
+ }
+ else
+ {
+ const attribute::FillGraphicAttribute& rFillGraphicAttribute
+ = rPolygonCandidate.getFillGraphic();
+
+ // try to catch cases where the graphic will be color-modified to a single
+ // color (e.g. shadow)
+ switch (rFillGraphicAttribute.getGraphic().GetType())
+ {
+ case GraphicType::GdiMetafile:
+ {
+ // metafiles are potentially transparent, cannot optimize, not done
+ break;
+ }
+ case GraphicType::Bitmap:
+ {
+ if (!rFillGraphicAttribute.getGraphic().IsTransparent()
+ && !rFillGraphicAttribute.getGraphic().IsAlpha())
+ {
+ // bitmap is not transparent and has no alpha
+ const sal_uInt32 nBColorModifierStackCount(maBColorModifierStack.count());
+
+ if (nBColorModifierStackCount)
+ {
+ const basegfx::BColorModifierSharedPtr& rTopmostModifier
+ = maBColorModifierStack.getBColorModifier(nBColorModifierStackCount
+ - 1);
+ const basegfx::BColorModifier_replace* pReplacer
+ = dynamic_cast<const basegfx::BColorModifier_replace*>(
+ rTopmostModifier.get());
+
+ if (pReplacer)
+ {
+ // the bitmap fill is in unified color, so we can replace it with
+ // a single polygon fill. The form of the fill depends on tiling
+ if (rFillGraphicAttribute.getTiling())
+ {
+ // with tiling, fill the whole tools::PolyPolygon with the modifier color
+ basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolyPolygon);
+
+ aLocalPolyPolygon.transform(maCurrentTransformation);
+ mpOutputDevice->SetLineColor();
+ mpOutputDevice->SetFillColor(Color(pReplacer->getBColor()));
+ mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
+ }
+ else
+ {
+ // without tiling, only the area common to the bitmap tile and the
+ // tools::PolyPolygon is filled. Create the bitmap tile area in object
+ // coordinates. For this, the object transformation needs to be created
+ // from the already scaled PolyPolygon. The tile area in object
+ // coordinates will always be non-rotated, so it's not necessary to
+ // work with a polygon here
+ basegfx::B2DRange aTileRange(
+ rFillGraphicAttribute.getGraphicRange());
+ const basegfx::B2DRange aPolyPolygonRange(
+ rPolyPolygon.getB2DRange());
+ const basegfx::B2DHomMatrix aNewObjectTransform(
+ basegfx::utils::createScaleTranslateB2DHomMatrix(
+ aPolyPolygonRange.getRange(),
+ aPolyPolygonRange.getMinimum()));
+
+ aTileRange.transform(aNewObjectTransform);
+
+ // now clip the object polyPolygon against the tile range
+ // to get the common area
+ basegfx::B2DPolyPolygon aTarget
+ = basegfx::utils::clipPolyPolygonOnRange(
+ rPolyPolygon, aTileRange, true, false);
+
+ if (aTarget.count())
+ {
+ aTarget.transform(maCurrentTransformation);
+ mpOutputDevice->SetLineColor();
+ mpOutputDevice->SetFillColor(Color(pReplacer->getBColor()));
+ mpOutputDevice->DrawPolyPolygon(aTarget);
+ }
+ }
+
+ // simplified output executed, we are done
+ bDone = true;
+ }
+ }
+ }
+ break;
+ }
+ default: //GraphicType::NONE, GraphicType::Default
+ {
+ // empty graphic, we are done
+ bDone = true;
+ break;
+ }
+ }
+ }
+
+ if (!bDone)
+ {
+ // use default decomposition
+ process(rPolygonCandidate);
+ }
+}
+
+// mask group
+void VclProcessor2D::RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D& rMaskCandidate)
+{
+ if (rMaskCandidate.getChildren().empty())
+ return;
+
+ basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
+
+ if (!aMask.count())
+ return;
+
+ aMask.transform(maCurrentTransformation);
+
+ // Unless smooth edges are needed, simply use clipping.
+ if (basegfx::utils::isRectangle(aMask) || !SvtOptionsDrawinglayer::IsAntiAliasing())
+ {
+ mpOutputDevice->Push(vcl::PushFlags::CLIPREGION);
+ mpOutputDevice->IntersectClipRegion(vcl::Region(aMask));
+ process(rMaskCandidate.getChildren());
+ mpOutputDevice->Pop();
+ return;
+ }
+
+ const basegfx::B2DRange aRange(basegfx::utils::getRange(aMask));
+ impBufferDevice aBufferDevice(*mpOutputDevice, aRange);
+
+ if (!aBufferDevice.isVisible())
+ return;
+
+ // remember last OutDev and set to content
+ OutputDevice* pLastOutputDevice = mpOutputDevice;
+ mpOutputDevice = &aBufferDevice.getContent();
+
+ // paint to it
+ process(rMaskCandidate.getChildren());
+
+ // back to old OutDev
+ mpOutputDevice = pLastOutputDevice;
+
+ // draw mask
+ VirtualDevice& rMask = aBufferDevice.getTransparence();
+ rMask.SetLineColor();
+ rMask.SetFillColor(COL_BLACK);
+ rMask.DrawPolyPolygon(aMask);
+
+ // dump buffer to outdev
+ aBufferDevice.paint();
+}
+
+// modified color group. Force output to unified color.
+void VclProcessor2D::RenderModifiedColorPrimitive2D(
+ const primitive2d::ModifiedColorPrimitive2D& rModifiedCandidate)
+{
+ if (!rModifiedCandidate.getChildren().empty())
+ {
+ maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
+ process(rModifiedCandidate.getChildren());
+ maBColorModifierStack.pop();
+ }
+}
+
+// unified sub-transparence. Draw to VDev first.
+void VclProcessor2D::RenderUnifiedTransparencePrimitive2D(
+ const primitive2d::UnifiedTransparencePrimitive2D& rTransCandidate)
+{
+ if (rTransCandidate.getChildren().empty())
+ return;
+
+ if (0.0 == rTransCandidate.getTransparence())
+ {
+ // no transparence used, so just use the content
+ process(rTransCandidate.getChildren());
+ }
+ else if (rTransCandidate.getTransparence() > 0.0 && rTransCandidate.getTransparence() < 1.0)
+ {
+ // transparence is in visible range
+ basegfx::B2DRange aRange(rTransCandidate.getChildren().getB2DRange(getViewInformation2D()));
+ aRange.transform(maCurrentTransformation);
+ impBufferDevice aBufferDevice(*mpOutputDevice, aRange);
+
+ if (aBufferDevice.isVisible())
+ {
+ // remember last OutDev and set to content
+ OutputDevice* pLastOutputDevice = mpOutputDevice;
+ mpOutputDevice = &aBufferDevice.getContent();
+
+ // paint content to it
+ process(rTransCandidate.getChildren());
+
+ // back to old OutDev
+ mpOutputDevice = pLastOutputDevice;
+
+ // dump buffer to outdev using given transparence
+ aBufferDevice.paint(rTransCandidate.getTransparence());
+ }
+ }
+}
+
+// sub-transparence group. Draw to VDev first.
+void VclProcessor2D::RenderTransparencePrimitive2D(
+ const primitive2d::TransparencePrimitive2D& rTransCandidate)
+{
+ if (rTransCandidate.getChildren().empty())
+ return;
+
+ basegfx::B2DRange aRange(rTransCandidate.getChildren().getB2DRange(getViewInformation2D()));
+ aRange.transform(maCurrentTransformation);
+ impBufferDevice aBufferDevice(*mpOutputDevice, aRange);
+
+ if (!aBufferDevice.isVisible())
+ return;
+
+ // remember last OutDev and set to content
+ OutputDevice* pLastOutputDevice = mpOutputDevice;
+ mpOutputDevice = &aBufferDevice.getContent();
+
+ // paint content to it
+ process(rTransCandidate.getChildren());
+
+ // set to mask
+ mpOutputDevice = &aBufferDevice.getTransparence();
+
+ // when painting transparence masks, reset the color stack
+ basegfx::BColorModifierStack aLastBColorModifierStack(maBColorModifierStack);
+ maBColorModifierStack = basegfx::BColorModifierStack();
+
+ // paint mask to it (always with transparence intensities, evtl. with AA)
+ process(rTransCandidate.getTransparence());
+
+ // back to old color stack
+ maBColorModifierStack = aLastBColorModifierStack;
+
+ // back to old OutDev
+ mpOutputDevice = pLastOutputDevice;
+
+ // dump buffer to outdev
+ aBufferDevice.paint();
+}
+
+// transform group.
+void VclProcessor2D::RenderTransformPrimitive2D(
+ const primitive2d::TransformPrimitive2D& rTransformCandidate)
+{
+ // remember current transformation and ViewInformation
+ const basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);
+ const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
+
+ // create new transformations for CurrentTransformation
+ // and for local ViewInformation2D
+ maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();
+ const geometry::ViewInformation2D aViewInformation2D(
+ getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
+ getViewInformation2D().getViewTransformation(), getViewInformation2D().getViewport(),
+ getViewInformation2D().getVisualizedPage(), getViewInformation2D().getViewTime());
+ updateViewInformation(aViewInformation2D);
+
+ // process content
+ process(rTransformCandidate.getChildren());
+
+ // restore transformations
+ maCurrentTransformation = aLastCurrentTransformation;
+ updateViewInformation(aLastViewInformation2D);
+}
+
+// new XDrawPage for ViewInformation2D
+void VclProcessor2D::RenderPagePreviewPrimitive2D(
+ const primitive2d::PagePreviewPrimitive2D& rPagePreviewCandidate)
+{
+ // remember current transformation and ViewInformation
+ const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
+
+ // create new local ViewInformation2D
+ const geometry::ViewInformation2D aViewInformation2D(
+ getViewInformation2D().getObjectTransformation(),
+ getViewInformation2D().getViewTransformation(), getViewInformation2D().getViewport(),
+ rPagePreviewCandidate.getXDrawPage(), getViewInformation2D().getViewTime());
+ updateViewInformation(aViewInformation2D);
+
+ // process decomposed content
+ process(rPagePreviewCandidate);
+
+ // restore transformations
+ updateViewInformation(aLastViewInformation2D);
+}
+
+// marker
+void VclProcessor2D::RenderMarkerArrayPrimitive2D(
+ const primitive2d::MarkerArrayPrimitive2D& rMarkArrayCandidate)
+{
+ // get data
+ const std::vector<basegfx::B2DPoint>& rPositions = rMarkArrayCandidate.getPositions();
+ const sal_uInt32 nCount(rPositions.size());
+
+ if (!nCount || rMarkArrayCandidate.getMarker().IsEmpty())
+ return;
+
+ // get pixel size
+ const BitmapEx& rMarker(rMarkArrayCandidate.getMarker());
+ const Size aBitmapSize(rMarker.GetSizePixel());
+
+ if (!(aBitmapSize.Width() && aBitmapSize.Height()))
+ return;
+
+ // get discrete half size
+ const basegfx::B2DVector aDiscreteHalfSize((aBitmapSize.getWidth() - 1.0) * 0.5,
+ (aBitmapSize.getHeight() - 1.0) * 0.5);
+ const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
+
+ // do not forget evtl. moved origin in target device MapMode when
+ // switching it off; it would be missing and lead to wrong positions.
+ // All his could be done using logic sizes and coordinates, too, but
+ // we want a 1:1 bitmap rendering here, so it's more safe and faster
+ // to work with switching off MapMode usage completely.
+ const Point aOrigin(mpOutputDevice->GetMapMode().GetOrigin());
+
+ mpOutputDevice->EnableMapMode(false);
+
+ for (auto const& pos : rPositions)
+ {
+ const basegfx::B2DPoint aDiscreteTopLeft((maCurrentTransformation * pos)
+ - aDiscreteHalfSize);
+ const Point aDiscretePoint(basegfx::fround(aDiscreteTopLeft.getX()),
+ basegfx::fround(aDiscreteTopLeft.getY()));
+
+ mpOutputDevice->DrawBitmapEx(aDiscretePoint + aOrigin, rMarker);
+ }
+
+ mpOutputDevice->EnableMapMode(bWasEnabled);
+}
+
+// point
+void VclProcessor2D::RenderPointArrayPrimitive2D(
+ const primitive2d::PointArrayPrimitive2D& rPointArrayCandidate)
+{
+ const std::vector<basegfx::B2DPoint>& rPositions = rPointArrayCandidate.getPositions();
+ const basegfx::BColor aRGBColor(
+ maBColorModifierStack.getModifiedColor(rPointArrayCandidate.getRGBColor()));
+ const Color aVCLColor(aRGBColor);
+
+ for (auto const& pos : rPositions)
+ {
+ const basegfx::B2DPoint aViewPosition(maCurrentTransformation * pos);
+ const Point aPos(basegfx::fround(aViewPosition.getX()),
+ basegfx::fround(aViewPosition.getY()));
+
+ mpOutputDevice->DrawPixel(aPos, aVCLColor);
+ }
+}
+
+void VclProcessor2D::RenderPolygonStrokePrimitive2D(
+ const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokeCandidate)
+{
+ // #i101491# method restructured to clearly use the DrawPolyLine
+ // calls starting from a defined line width
+ const attribute::LineAttribute& rLineAttribute = rPolygonStrokeCandidate.getLineAttribute();
+ const double fLineWidth(rLineAttribute.getWidth());
+ bool bDone(false);
+
+ if (basegfx::fTools::more(fLineWidth, 0.0))
+ {
+ const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation
+ * basegfx::B2DVector(fLineWidth, 0.0));
+ const double fDiscreteLineWidth(aDiscreteUnit.getLength());
+ const attribute::StrokeAttribute& rStrokeAttribute
+ = rPolygonStrokeCandidate.getStrokeAttribute();
+ const basegfx::BColor aHairlineColor(
+ maBColorModifierStack.getModifiedColor(rLineAttribute.getColor()));
+ basegfx::B2DPolyPolygon aHairlinePolyPolygon;
+
+ mpOutputDevice->SetLineColor(Color(aHairlineColor));
+ mpOutputDevice->SetFillColor();
+
+ if (0.0 == rStrokeAttribute.getFullDotDashLen())
+ {
+ // no line dashing, just copy
+ aHairlinePolyPolygon.append(rPolygonStrokeCandidate.getB2DPolygon());
+ }
+ else
+ {
+ // else apply LineStyle
+ basegfx::utils::applyLineDashing(
+ rPolygonStrokeCandidate.getB2DPolygon(), rStrokeAttribute.getDotDashArray(),
+ &aHairlinePolyPolygon, nullptr, rStrokeAttribute.getFullDotDashLen());
+ }
+
+ const sal_uInt32 nCount(aHairlinePolyPolygon.count());
+
+ if (nCount)
+ {
+ const bool bAntiAliased(SvtOptionsDrawinglayer::IsAntiAliasing());
+ aHairlinePolyPolygon.transform(maCurrentTransformation);
+
+ if (bAntiAliased)
+ {
+ if (basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.0))
+ {
+ // line in range ]0.0 .. 1.0[
+ // paint as simple hairline
+ for (sal_uInt32 a(0); a < nCount; a++)
+ {
+ mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
+ }
+
+ bDone = true;
+ }
+ else if (basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.0))
+ {
+ // line in range [1.0 .. 2.0[
+ // paint as 2x2 with dynamic line distance
+ basegfx::B2DHomMatrix aMat;
+ const double fDistance(fDiscreteLineWidth - 1.0);
+ const double fHalfDistance(fDistance * 0.5);
+
+ for (sal_uInt32 a(0); a < nCount; a++)
+ {
+ basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
+
+ aMat.set(0, 2, -fHalfDistance);
+ aMat.set(1, 2, -fHalfDistance);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, fDistance);
+ aMat.set(1, 2, 0.0);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, 0.0);
+ aMat.set(1, 2, fDistance);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, -fDistance);
+ aMat.set(1, 2, 0.0);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+ }
+
+ bDone = true;
+ }
+ else if (basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 3.0))
+ {
+ // line in range [2.0 .. 3.0]
+ // paint as cross in a 3x3 with dynamic line distance
+ basegfx::B2DHomMatrix aMat;
+ const double fDistance((fDiscreteLineWidth - 1.0) * 0.5);
+
+ for (sal_uInt32 a(0); a < nCount; a++)
+ {
+ basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
+
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, -fDistance);
+ aMat.set(1, 2, 0.0);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, fDistance);
+ aMat.set(1, 2, -fDistance);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, fDistance);
+ aMat.set(1, 2, fDistance);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, -fDistance);
+ aMat.set(1, 2, fDistance);
+ aCandidate.transform(aMat);
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+ }
+
+ bDone = true;
+ }
+ else
+ {
+ // #i101491# line width above 3.0
+ }
+ }
+ else
+ {
+ if (basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.5))
+ {
+ // line width below 1.5, draw the basic hairline polygon
+ for (sal_uInt32 a(0); a < nCount; a++)
+ {
+ mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
+ }
+
+ bDone = true;
+ }
+ else if (basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.5))
+ {
+ // line width is in range ]1.5 .. 2.5], use four hairlines
+ // drawn in a square
+ for (sal_uInt32 a(0); a < nCount; a++)
+ {
+ basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
+ basegfx::B2DHomMatrix aMat;
+
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, 1.0);
+ aMat.set(1, 2, 0.0);
+ aCandidate.transform(aMat);
+
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, 0.0);
+ aMat.set(1, 2, 1.0);
+ aCandidate.transform(aMat);
+
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+
+ aMat.set(0, 2, -1.0);
+ aMat.set(1, 2, 0.0);
+ aCandidate.transform(aMat);
+
+ mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
+ }
+
+ bDone = true;
+ }
+ else
+ {
+ // #i101491# line width is above 2.5
+ }
+ }
+
+ if (!bDone && rPolygonStrokeCandidate.getB2DPolygon().count() > 1000)
+ {
+ // #i101491# If the polygon complexity uses more than a given amount, do
+ // use OutputDevice::DrawPolyLine directly; this will avoid buffering all
+ // decompositions in primitives (memory) and fallback to old line painting
+ // for very complex polygons, too
+ for (sal_uInt32 a(0); a < nCount; a++)
+ {
+ mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a),
+ fDiscreteLineWidth, rLineAttribute.getLineJoin(),
+ rLineAttribute.getLineCap(),
+ rLineAttribute.getMiterMinimumAngle());
+ }
+
+ bDone = true;
+ }
+ }
+ }
+
+ if (!bDone)
+ {
+ // remember that we enter a PolygonStrokePrimitive2D decomposition,
+ // used for AA thick line drawing
+ mnPolygonStrokePrimitive2D++;
+
+ // line width is big enough for standard filled polygon visualisation or zero
+ process(rPolygonStrokeCandidate);
+
+ // leave PolygonStrokePrimitive2D
+ mnPolygonStrokePrimitive2D--;
+ }
+}
+
+void VclProcessor2D::RenderEpsPrimitive2D(const primitive2d::EpsPrimitive2D& rEpsPrimitive2D)
+{
+ // The new decomposition of Metafiles made it necessary to add an Eps
+ // primitive to handle embedded Eps data. On some devices, this can be
+ // painted directly (mac, printer).
+ // To be able to handle the replacement correctly, i need to handle it myself
+ // since DrawEPS will not be able e.g. to rotate the replacement. To be able
+ // to do that, i added a boolean return to OutputDevice::DrawEPS(..)
+ // to know when EPS was handled directly already.
+ basegfx::B2DRange aRange(0.0, 0.0, 1.0, 1.0);
+ aRange.transform(maCurrentTransformation * rEpsPrimitive2D.getEpsTransform());
+
+ if (aRange.isEmpty())
+ return;
+
+ const ::tools::Rectangle aRectangle(static_cast<sal_Int32>(floor(aRange.getMinX())),
+ static_cast<sal_Int32>(floor(aRange.getMinY())),
+ static_cast<sal_Int32>(ceil(aRange.getMaxX())),
+ static_cast<sal_Int32>(ceil(aRange.getMaxY())));
+
+ if (aRectangle.IsEmpty())
+ return;
+
+ bool bWillReallyRender = mpOutputDevice->IsDeviceOutputNecessary();
+ // try to paint EPS directly without fallback visualisation
+ const bool bEPSPaintedDirectly
+ = bWillReallyRender
+ && mpOutputDevice->DrawEPS(aRectangle.TopLeft(), aRectangle.GetSize(),
+ rEpsPrimitive2D.getGfxLink());
+
+ if (!bEPSPaintedDirectly)
+ {
+ // use the decomposition which will correctly handle the
+ // fallback visualisation using full transformation (e.g. rotation)
+ process(rEpsPrimitive2D);
+ }
+}
+
+void VclProcessor2D::RenderSvgLinearAtomPrimitive2D(
+ const primitive2d::SvgLinearAtomPrimitive2D& rCandidate)
+{
+ const double fDelta(rCandidate.getOffsetB() - rCandidate.getOffsetA());
+
+ if (!basegfx::fTools::more(fDelta, 0.0))
+ return;
+
+ const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
+ const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
+
+ // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
+ const basegfx::B2DVector aDiscreteVector(
+ getViewInformation2D().getInverseObjectToViewTransformation()
+ * basegfx::B2DVector(1.0, 1.0));
+ const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / M_SQRT2));
+
+ // use color distance and discrete lengths to calculate step count
+ const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDelta, fDiscreteUnit));
+
+ // switch off line painting
+ mpOutputDevice->SetLineColor();
+
+ // prepare polygon in needed width at start position (with discrete overlap)
+ const basegfx::B2DPolygon aPolygon(basegfx::utils::createPolygonFromRect(
+ basegfx::B2DRange(rCandidate.getOffsetA() - fDiscreteUnit, 0.0,
+ rCandidate.getOffsetA() + (fDelta / nSteps) + fDiscreteUnit, 1.0)));
+
+ // prepare loop ([0.0 .. 1.0[)
+ double fUnitScale(0.0);
+ const double fUnitStep(1.0 / nSteps);
+
+ // loop and paint
+ for (sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
+ {
+ basegfx::B2DPolygon aNew(aPolygon);
+
+ aNew.transform(maCurrentTransformation
+ * basegfx::utils::createTranslateB2DHomMatrix(fDelta * fUnitScale, 0.0));
+ mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorA, aColorB, fUnitScale)));
+ mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
+ }
+}
+
+void VclProcessor2D::RenderSvgRadialAtomPrimitive2D(
+ const primitive2d::SvgRadialAtomPrimitive2D& rCandidate)
+{
+ const double fDeltaScale(rCandidate.getScaleB() - rCandidate.getScaleA());
+
+ if (!basegfx::fTools::more(fDeltaScale, 0.0))
+ return;
+
+ const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
+ const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
+
+ // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
+ const basegfx::B2DVector aDiscreteVector(
+ getViewInformation2D().getInverseObjectToViewTransformation()
+ * basegfx::B2DVector(1.0, 1.0));
+ const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / M_SQRT2));
+
+ // use color distance and discrete lengths to calculate step count
+ const sal_uInt32 nSteps(
+ calculateStepsForSvgGradient(aColorA, aColorB, fDeltaScale, fDiscreteUnit));
+
+ // switch off line painting
+ mpOutputDevice->SetLineColor();
+
+ // prepare loop ([0.0 .. 1.0[, full polygons, no polypolygons with holes)
+ double fUnitScale(0.0);
+ const double fUnitStep(1.0 / nSteps);
+
+ for (sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
+ {
+ basegfx::B2DHomMatrix aTransform;
+ const double fEndScale(rCandidate.getScaleB() - (fDeltaScale * fUnitScale));
+
+ if (rCandidate.isTranslateSet())
+ {
+ const basegfx::B2DVector aTranslate(basegfx::interpolate(
+ rCandidate.getTranslateB(), rCandidate.getTranslateA(), fUnitScale));
+
+ aTransform = basegfx::utils::createScaleTranslateB2DHomMatrix(
+ fEndScale, fEndScale, aTranslate.getX(), aTranslate.getY());
+ }
+ else
+ {
+ aTransform = basegfx::utils::createScaleB2DHomMatrix(fEndScale, fEndScale);
+ }
+
+ basegfx::B2DPolygon aNew(basegfx::utils::createPolygonFromUnitCircle());
+
+ aNew.transform(maCurrentTransformation * aTransform);
+ mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorB, aColorA, fUnitScale)));
+ mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
+ }
+}
+
+void VclProcessor2D::adaptLineToFillDrawMode() const
+{
+ const DrawModeFlags nOriginalDrawMode(mpOutputDevice->GetDrawMode());
+
+ if (!(nOriginalDrawMode
+ & (DrawModeFlags::BlackLine | DrawModeFlags::GrayLine | DrawModeFlags::WhiteLine
+ | DrawModeFlags::SettingsLine)))
+ return;
+
+ DrawModeFlags nAdaptedDrawMode(nOriginalDrawMode);
+
+ if (nOriginalDrawMode & DrawModeFlags::BlackLine)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::BlackFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::BlackFill;
+ }
+
+ if (nOriginalDrawMode & DrawModeFlags::GrayLine)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::GrayFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::GrayFill;
+ }
+
+ if (nOriginalDrawMode & DrawModeFlags::WhiteLine)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::WhiteFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::WhiteFill;
+ }
+
+ if (nOriginalDrawMode & DrawModeFlags::SettingsLine)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::SettingsFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::SettingsFill;
+ }
+
+ mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
+}
+
+void VclProcessor2D::adaptTextToFillDrawMode() const
+{
+ const DrawModeFlags nOriginalDrawMode(mpOutputDevice->GetDrawMode());
+ if (!(nOriginalDrawMode
+ & (DrawModeFlags::BlackText | DrawModeFlags::GrayText | DrawModeFlags::WhiteText
+ | DrawModeFlags::SettingsText)))
+ return;
+
+ DrawModeFlags nAdaptedDrawMode(nOriginalDrawMode);
+
+ if (nOriginalDrawMode & DrawModeFlags::BlackText)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::BlackFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::BlackFill;
+ }
+
+ if (nOriginalDrawMode & DrawModeFlags::GrayText)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::GrayFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::GrayFill;
+ }
+
+ if (nOriginalDrawMode & DrawModeFlags::WhiteText)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::WhiteFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::WhiteFill;
+ }
+
+ if (nOriginalDrawMode & DrawModeFlags::SettingsText)
+ {
+ nAdaptedDrawMode |= DrawModeFlags::SettingsFill;
+ }
+ else
+ {
+ nAdaptedDrawMode &= ~DrawModeFlags::SettingsFill;
+ }
+
+ mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
+}
+
+// process support
+
+VclProcessor2D::VclProcessor2D(const geometry::ViewInformation2D& rViewInformation,
+ OutputDevice& rOutDev,
+ const basegfx::BColorModifierStack& rInitStack)
+ : BaseProcessor2D(rViewInformation)
+ , mpOutputDevice(&rOutDev)
+ , maBColorModifierStack(rInitStack)
+ , mnPolygonStrokePrimitive2D(0)
+{
+ // set digit language, derived from SvtCTLOptions to have the correct
+ // number display for arabic/hindi numerals
+ rOutDev.SetDigitLanguage(drawinglayer::detail::getDigitLanguage());
+}
+
+VclProcessor2D::~VclProcessor2D() {}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */