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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 "vclpixelprocessor2d.hxx"
#include <vcl/outdev.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/fillgraphicprimitive2d.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
#include <drawinglayer/primitive2d/wrongspellprimitive2d.hxx>
#include <drawinglayer/primitive2d/controlprimitive2d.hxx>
#include <drawinglayer/primitive2d/borderlineprimitive2d.hxx>
#include <com/sun/star/awt/XWindow2.hpp>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
#include "helperwrongspellrenderer.hxx"
#include <drawinglayer/primitive2d/fillhatchprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <vcl/hatch.hxx>
#include <tools/diagnose_ex.h>
#include <sal/log.hxx>
#include <com/sun/star/awt/PosSize.hpp>
#include <drawinglayer/primitive2d/invertprimitive2d.hxx>
#include <cstdio>
#include <drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/primitive2d/epsprimitive2d.hxx>
#include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>
#include <vcl/window.hxx>
#include <svtools/borderhelper.hxx>
#include <editeng/borderline.hxx>
#include <com/sun/star/table/BorderLineStyle.hpp>
using namespace com::sun::star;
namespace drawinglayer
{
namespace processor2d
{
struct VclPixelProcessor2D::Impl
{
AntialiasingFlags m_nOrigAntiAliasing;
explicit Impl(OutputDevice const& rOutDev)
: m_nOrigAntiAliasing(rOutDev.GetAntialiasing())
{ }
};
VclPixelProcessor2D::VclPixelProcessor2D(const geometry::ViewInformation2D& rViewInformation, OutputDevice& rOutDev)
: VclProcessor2D(rViewInformation, rOutDev)
, m_pImpl(new Impl(rOutDev))
{
// prepare maCurrentTransformation matrix with viewTransformation to target directly to pixels
maCurrentTransformation = rViewInformation.getObjectToViewTransformation();
// prepare output directly to pixels
mpOutputDevice->Push(PushFlags::MAPMODE);
mpOutputDevice->SetMapMode();
// react on AntiAliasing settings
if(getOptionsDrawinglayer().IsAntiAliasing())
{
mpOutputDevice->SetAntialiasing(
m_pImpl->m_nOrigAntiAliasing | AntialiasingFlags::EnableB2dDraw);
}
else
{
mpOutputDevice->SetAntialiasing(
m_pImpl->m_nOrigAntiAliasing & ~AntialiasingFlags::EnableB2dDraw);
}
}
VclPixelProcessor2D::~VclPixelProcessor2D()
{
// restore MapMode
mpOutputDevice->Pop();
// restore AntiAliasing
mpOutputDevice->SetAntialiasing(m_pImpl->m_nOrigAntiAliasing);
}
void VclPixelProcessor2D::tryDrawPolyPolygonColorPrimitive2DDirect(const drawinglayer::primitive2d::PolyPolygonColorPrimitive2D& rSource, double fTransparency)
{
basegfx::B2DPolyPolygon aLocalPolyPolygon(rSource.getB2DPolyPolygon());
if(!aLocalPolyPolygon.count())
{
// no geometry, done
return;
}
const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rSource.getBColor()));
mpOutputDevice->SetFillColor(Color(aPolygonColor));
mpOutputDevice->SetLineColor();
aLocalPolyPolygon.transform(maCurrentTransformation);
mpOutputDevice->DrawTransparent(
aLocalPolyPolygon,
fTransparency);
}
bool VclPixelProcessor2D::tryDrawPolygonHairlinePrimitive2DDirect(const drawinglayer::primitive2d::PolygonHairlinePrimitive2D& rSource, double fTransparency)
{
basegfx::B2DPolygon aLocalPolygon(rSource.getB2DPolygon());
if(!aLocalPolygon.count())
{
// no geometry, done
return true;
}
//Resolves: tdf#105998 if we are a hairline along the very right/bottom edge
//of the canvas then distort the polygon inwards one pixel right/bottom so that
//the hairline falls inside the paintable area and becomes visible
Size aSize = mpOutputDevice->GetOutputSize();
basegfx::B2DRange aRange = aLocalPolygon.getB2DRange();
basegfx::B2DRange aOutputRange = aRange;
aOutputRange.transform(maCurrentTransformation);
if (std::round(aOutputRange.getMaxX()) == aSize.Width() || std::round(aOutputRange.getMaxY()) == aSize.Height())
{
basegfx::B2DRange aOnePixel(0, 0, 1, 1);
aOnePixel.transform(maCurrentTransformation);
double fXOnePixel = 1.0 / aOnePixel.getMaxX();
double fYOnePixel = 1.0 / aOnePixel.getMaxY();
basegfx::B2DPoint aTopLeft(aRange.getMinX(), aRange.getMinY());
basegfx::B2DPoint aTopRight(aRange.getMaxX() - fXOnePixel, aRange.getMinY());
basegfx::B2DPoint aBottomLeft(aRange.getMinX(), aRange.getMaxY() - fYOnePixel);
basegfx::B2DPoint aBottomRight(aRange.getMaxX() - fXOnePixel, aRange.getMaxY() - fYOnePixel);
aLocalPolygon = basegfx::utils::distort(aLocalPolygon, aRange, aTopLeft, aTopRight, aBottomLeft, aBottomRight);
}
const basegfx::BColor aLineColor(maBColorModifierStack.getModifiedColor(rSource.getBColor()));
mpOutputDevice->SetFillColor();
mpOutputDevice->SetLineColor(Color(aLineColor));
aLocalPolygon.transform(maCurrentTransformation);
// try drawing; if it did not work, use standard fallback
return mpOutputDevice->DrawPolyLineDirect( aLocalPolygon, 0.0, fTransparency);
}
bool VclPixelProcessor2D::tryDrawPolygonStrokePrimitive2DDirect(const drawinglayer::primitive2d::PolygonStrokePrimitive2D& rSource, double fTransparency)
{
if(!rSource.getB2DPolygon().count())
{
// no geometry, done
return true;
}
// get geometry data, prepare hairline data
basegfx::B2DPolygon aLocalPolygon(rSource.getB2DPolygon());
basegfx::B2DPolyPolygon aHairLinePolyPolygon;
// simplify curve segments
aLocalPolygon = basegfx::utils::simplifyCurveSegments(aLocalPolygon);
if(rSource.getStrokeAttribute().isDefault() || 0.0 == rSource.getStrokeAttribute().getFullDotDashLen())
{
// no line dashing, just copy
aHairLinePolyPolygon.append(aLocalPolygon);
}
else
{
// apply LineStyle
basegfx::utils::applyLineDashing(
aLocalPolygon,
rSource.getStrokeAttribute().getDotDashArray(),
&aHairLinePolyPolygon,
nullptr,
rSource.getStrokeAttribute().getFullDotDashLen());
}
if(!aHairLinePolyPolygon.count())
{
// no geometry, done
return true;
}
const basegfx::BColor aLineColor(
maBColorModifierStack.getModifiedColor(
rSource.getLineAttribute().getColor()));
double fLineWidth(rSource.getLineAttribute().getWidth());
if(basegfx::fTools::more(fLineWidth, 0.0))
{
basegfx::B2DVector aLineWidth(fLineWidth, 0.0);
aLineWidth = maCurrentTransformation * aLineWidth;
fLineWidth = aLineWidth.getLength();
}
// draw simple hairline for small line widths
// see also RenderPolygonStrokePrimitive2D which is used if this try fails
bool bIsAntiAliasing = getOptionsDrawinglayer().IsAntiAliasing();
if ( (basegfx::fTools::lessOrEqual(fLineWidth, 1.0) && bIsAntiAliasing)
|| (basegfx::fTools::lessOrEqual(fLineWidth, 1.5) && !bIsAntiAliasing))
{
// draw simple hairline
fLineWidth = 0.0;
}
//Related: tdf#105998 cut and paste as bitmap of shape from draw to
//writer. If we are a hairline along the very right/bottom edge of
//the canvas then fallback to defaults which can distort the
//hairline inside the paintable area
if (fLineWidth == 0.0)
{
Size aSize = mpOutputDevice->GetOutputSize();
basegfx::B2DRange aRange = aHairLinePolyPolygon.getB2DRange();
basegfx::B2DRange aOutputRange = aRange;
aOutputRange.transform(maCurrentTransformation);
if (std::round(aOutputRange.getMaxX()) == aSize.Width() || std::round(aOutputRange.getMaxY()) == aSize.Height())
return false;
}
mpOutputDevice->SetFillColor();
mpOutputDevice->SetLineColor(Color(aLineColor));
aHairLinePolyPolygon.transform(maCurrentTransformation);
bool bHasPoints(false);
bool bTryWorked(false);
for(sal_uInt32 a(0); a < aHairLinePolyPolygon.count(); a++)
{
const basegfx::B2DPolygon aSingle(aHairLinePolyPolygon.getB2DPolygon(a));
if(aSingle.count())
{
bHasPoints = true;
if(mpOutputDevice->DrawPolyLineDirect(
aSingle,
fLineWidth,
fTransparency,
rSource.getLineAttribute().getLineJoin(),
rSource.getLineAttribute().getLineCap(),
rSource.getLineAttribute().getMiterMinimumAngle()
/* false bBypassAACheck, default*/))
{
bTryWorked = true;
}
}
}
if(!bTryWorked && !bHasPoints)
{
// no geometry despite try
bTryWorked = true;
}
return bTryWorked;
}
void VclPixelProcessor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
{
switch(rCandidate.getPrimitive2DID())
{
case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
{
processWrongSpellPrimitive2D(static_cast<const primitive2d::WrongSpellPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
{
processTextSimplePortionPrimitive2D(static_cast<const primitive2d::TextSimplePortionPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
{
processTextDecoratedPortionPrimitive2D(static_cast<const primitive2d::TextSimplePortionPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
{
processPolygonHairlinePrimitive2D(static_cast<const primitive2d::PolygonHairlinePrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
{
// direct draw of transformed BitmapEx primitive
processBitmapPrimitive2D(static_cast<const primitive2d::BitmapPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_FILLGRAPHICPRIMITIVE2D :
{
// direct draw of fillBitmapPrimitive
RenderFillGraphicPrimitive2D(static_cast< const primitive2d::FillGraphicPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D :
{
processPolyPolygonGradientPrimitive2D(static_cast<const primitive2d::PolyPolygonGradientPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D :
{
// direct draw of bitmap
RenderPolyPolygonGraphicPrimitive2D(static_cast< const primitive2d::PolyPolygonGraphicPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
{
processPolyPolygonColorPrimitive2D(static_cast<const primitive2d::PolyPolygonColorPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
{
processMetaFilePrimitive2D(rCandidate);
break;
}
case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
{
// mask group.
RenderMaskPrimitive2DPixel(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
{
// modified color group. Force output to unified color.
RenderModifiedColorPrimitive2D(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_UNIFIEDTRANSPARENCEPRIMITIVE2D :
{
processUnifiedTransparencePrimitive2D(static_cast<const primitive2d::UnifiedTransparencePrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D :
{
// sub-transparence group. Draw to VDev first.
RenderTransparencePrimitive2D(static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
{
// transform group.
RenderTransformPrimitive2D(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D :
{
// new XDrawPage for ViewInformation2D
RenderPagePreviewPrimitive2D(static_cast< const primitive2d::PagePreviewPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
{
// marker array
RenderMarkerArrayPrimitive2D(static_cast< const primitive2d::MarkerArrayPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
{
// point array
RenderPointArrayPrimitive2D(static_cast< const primitive2d::PointArrayPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_CONTROLPRIMITIVE2D :
{
processControlPrimitive2D(static_cast<const primitive2d::ControlPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D:
{
processPolygonStrokePrimitive2D(static_cast<const primitive2d::PolygonStrokePrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_FILLHATCHPRIMITIVE2D :
{
processFillHatchPrimitive2D(static_cast<const primitive2d::FillHatchPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_BACKGROUNDCOLORPRIMITIVE2D :
{
processBackgroundColorPrimitive2D(static_cast<const primitive2d::BackgroundColorPrimitive2D&>(rCandidate));
break;
}
case PRIMITIVE2D_ID_TEXTHIERARCHYEDITPRIMITIVE2D :
{
// #i97628#
// This primitive means that the content is derived from an active text edit,
// not from model data itself. Some renderers need to suppress this content, e.g.
// the pixel renderer used for displaying the edit view (like this one). It's
// not to be suppressed by the MetaFile renderers, so that the edited text is
// part of the MetaFile, e.g. needed for presentation previews.
// Action: Ignore here, do nothing.
break;
}
case PRIMITIVE2D_ID_INVERTPRIMITIVE2D :
{
processInvertPrimitive2D(rCandidate);
break;
}
case PRIMITIVE2D_ID_EPSPRIMITIVE2D :
{
RenderEpsPrimitive2D(static_cast< const primitive2d::EpsPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_SVGLINEARATOMPRIMITIVE2D:
{
RenderSvgLinearAtomPrimitive2D(static_cast< const primitive2d::SvgLinearAtomPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_SVGRADIALATOMPRIMITIVE2D:
{
RenderSvgRadialAtomPrimitive2D(static_cast< const primitive2d::SvgRadialAtomPrimitive2D& >(rCandidate));
break;
}
case PRIMITIVE2D_ID_BORDERLINEPRIMITIVE2D:
{
processBorderLinePrimitive2D(static_cast<const drawinglayer::primitive2d::BorderLinePrimitive2D&>(rCandidate));
break;
}
default :
{
SAL_INFO("drawinglayer", "default case for " << drawinglayer::primitive2d::idToString(rCandidate.getPrimitive2DID()));
// process recursively
process(rCandidate);
break;
}
}
}
void VclPixelProcessor2D::processWrongSpellPrimitive2D(const primitive2d::WrongSpellPrimitive2D& rWrongSpellPrimitive)
{
// directdraw of wrong spell primitive; added test possibility to check wrong spell decompose
static bool bHandleWrongSpellDirectly(true);
if(bHandleWrongSpellDirectly)
{
if(!renderWrongSpellPrimitive2D(
rWrongSpellPrimitive,
*mpOutputDevice,
maCurrentTransformation,
maBColorModifierStack))
{
// fallback to decomposition (MetaFile)
process(rWrongSpellPrimitive);
}
}
else
{
process(rWrongSpellPrimitive);
}
}
void VclPixelProcessor2D::processTextSimplePortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D& rCandidate)
{
// directdraw of text simple portion; added test possibility to check text decompose
static bool bForceSimpleTextDecomposition(false);
// Adapt evtl. used special DrawMode
const DrawModeFlags nOriginalDrawMode(mpOutputDevice->GetDrawMode());
adaptTextToFillDrawMode();
if(!bForceSimpleTextDecomposition && getOptionsDrawinglayer().IsRenderSimpleTextDirect())
{
RenderTextSimpleOrDecoratedPortionPrimitive2D(rCandidate);
}
else
{
process(rCandidate);
}
// restore DrawMode
mpOutputDevice->SetDrawMode(nOriginalDrawMode);
}
void VclPixelProcessor2D::processTextDecoratedPortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D& rCandidate)
{
// directdraw of decorated text portion; added test possibility to check text decompose
static bool bForceComplexTextDecomposition(false);
// Adapt evtl. used special DrawMode
const DrawModeFlags nOriginalDrawMode(mpOutputDevice->GetDrawMode());
adaptTextToFillDrawMode();
if(!bForceComplexTextDecomposition && getOptionsDrawinglayer().IsRenderDecoratedTextDirect())
{
RenderTextSimpleOrDecoratedPortionPrimitive2D(rCandidate);
}
else
{
process(rCandidate);
}
// restore DrawMode
mpOutputDevice->SetDrawMode(nOriginalDrawMode);
}
void VclPixelProcessor2D::processPolygonHairlinePrimitive2D(const primitive2d::PolygonHairlinePrimitive2D& rPolygonHairlinePrimitive2D)
{
// try to use directly
static bool bAllowed(true);
if(bAllowed && tryDrawPolygonHairlinePrimitive2DDirect(rPolygonHairlinePrimitive2D, 0.0))
{
return;
}
// direct draw of hairline
RenderPolygonHairlinePrimitive2D(rPolygonHairlinePrimitive2D, true);
}
void VclPixelProcessor2D::processBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D& rBitmapCandidate)
{
// check if graphic content is inside discrete local ViewPort
const basegfx::B2DRange& rDiscreteViewPort(getViewInformation2D().getDiscreteViewport());
const basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rBitmapCandidate.getTransform());
if(!rDiscreteViewPort.isEmpty())
{
basegfx::B2DRange aUnitRange(0.0, 0.0, 1.0, 1.0);
aUnitRange.transform(aLocalTransform);
if(!aUnitRange.overlaps(rDiscreteViewPort))
{
// content is outside discrete local ViewPort
return;
}
}
RenderBitmapPrimitive2D(rBitmapCandidate);
}
void VclPixelProcessor2D::processPolyPolygonGradientPrimitive2D(const primitive2d::PolyPolygonGradientPrimitive2D& rPolygonCandidate)
{
// direct draw of gradient
const attribute::FillGradientAttribute& rGradient(rPolygonCandidate.getFillGradient());
basegfx::BColor aStartColor(maBColorModifierStack.getModifiedColor(rGradient.getStartColor()));
basegfx::BColor aEndColor(maBColorModifierStack.getModifiedColor(rGradient.getEndColor()));
basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
if(aLocalPolyPolygon.count())
{
aLocalPolyPolygon.transform(maCurrentTransformation);
if(aStartColor == aEndColor)
{
// no gradient at all, draw as polygon in AA and non-AA case
mpOutputDevice->SetLineColor();
mpOutputDevice->SetFillColor(Color(aStartColor));
mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
}
else
{
// use the primitive decomposition of the metafile
process(rPolygonCandidate);
}
}
}
void VclPixelProcessor2D::processPolyPolygonColorPrimitive2D(const primitive2d::PolyPolygonColorPrimitive2D& rPolyPolygonColorPrimitive2D)
{
// try to use directly
basegfx::B2DPolyPolygon aLocalPolyPolygon;
static bool bAllowed(true);
if(bAllowed)
{
tryDrawPolyPolygonColorPrimitive2DDirect(rPolyPolygonColorPrimitive2D, 0.0);
// okay, done. In this case no gaps should have to be repaired, too
}
else
{
// direct draw of tools::PolyPolygon with color
const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rPolyPolygonColorPrimitive2D.getBColor()));
mpOutputDevice->SetFillColor(Color(aPolygonColor));
mpOutputDevice->SetLineColor();
aLocalPolyPolygon = rPolyPolygonColorPrimitive2D.getB2DPolyPolygon();
aLocalPolyPolygon.transform(maCurrentTransformation);
mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
}
// when AA is on and this filled polygons are the result of stroked line geometry,
// draw the geometry once extra as lines to avoid AA 'gaps' between partial polygons
// Caution: This is needed in both cases (!)
if(mnPolygonStrokePrimitive2D
&& getOptionsDrawinglayer().IsAntiAliasing()
&& (mpOutputDevice->GetAntialiasing() & AntialiasingFlags::EnableB2dDraw))
{
const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rPolyPolygonColorPrimitive2D.getBColor()));
sal_uInt32 nCount(aLocalPolyPolygon.count());
if(!nCount)
{
aLocalPolyPolygon = rPolyPolygonColorPrimitive2D.getB2DPolyPolygon();
aLocalPolyPolygon.transform(maCurrentTransformation);
nCount = aLocalPolyPolygon.count();
}
mpOutputDevice->SetFillColor();
mpOutputDevice->SetLineColor(Color(aPolygonColor));
for(sal_uInt32 a(0); a < nCount; a++)
{
mpOutputDevice->DrawPolyLine(aLocalPolyPolygon.getB2DPolygon(a), 0.0);
}
}
}
void VclPixelProcessor2D::processUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D& rUniTransparenceCandidate)
{
// Detect if a single PolyPolygonColorPrimitive2D is contained; in that case,
// use the faster OutputDevice::DrawTransparent method
const primitive2d::Primitive2DContainer& rContent = rUniTransparenceCandidate.getChildren();
if(!rContent.empty())
{
if(0.0 == rUniTransparenceCandidate.getTransparence())
{
// not transparent at all, use content
process(rUniTransparenceCandidate.getChildren());
}
else if(rUniTransparenceCandidate.getTransparence() > 0.0 && rUniTransparenceCandidate.getTransparence() < 1.0)
{
bool bDrawTransparentUsed(false);
// since DEV300 m33 DrawTransparent is supported in VCL (for some targets
// natively), so i am now enabling this shortcut
static bool bAllowUsingDrawTransparent(true);
if(bAllowUsingDrawTransparent && 1 == rContent.size())
{
const primitive2d::Primitive2DReference xReference(rContent[0]);
const primitive2d::BasePrimitive2D* pBasePrimitive = dynamic_cast< const primitive2d::BasePrimitive2D* >(xReference.get());
if(pBasePrimitive)
{
switch(pBasePrimitive->getPrimitive2DID())
{
case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D:
{
// single transparent tools::PolyPolygon identified, use directly
const primitive2d::PolyPolygonColorPrimitive2D* pPoPoColor = static_cast< const primitive2d::PolyPolygonColorPrimitive2D* >(pBasePrimitive);
OSL_ENSURE(pPoPoColor, "OOps, PrimitiveID and PrimitiveType do not match (!)");
bDrawTransparentUsed = true;
tryDrawPolyPolygonColorPrimitive2DDirect(*pPoPoColor, rUniTransparenceCandidate.getTransparence());
break;
}
case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D:
{
// single transparent PolygonHairlinePrimitive2D identified, use directly
const primitive2d::PolygonHairlinePrimitive2D* pPoHair = static_cast< const primitive2d::PolygonHairlinePrimitive2D* >(pBasePrimitive);
OSL_ENSURE(pPoHair, "OOps, PrimitiveID and PrimitiveType do not match (!)");
// do no tallow by default - problem is that self-overlapping parts of this geometry will
// not be in a all-same transparency but will already alpha-cover themselves with blending.
// This is not what the UnifiedTransparencePrimitive2D defines: It requires all its
// content to be uniformely transparent.
// For hairline the effect is pretty minimal, but still not correct.
static bool bAllowed(false);
bDrawTransparentUsed = bAllowed && tryDrawPolygonHairlinePrimitive2DDirect(*pPoHair, rUniTransparenceCandidate.getTransparence());
break;
}
case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D:
{
// single transparent PolygonStrokePrimitive2D identified, use directly
const primitive2d::PolygonStrokePrimitive2D* pPoStroke = static_cast< const primitive2d::PolygonStrokePrimitive2D* >(pBasePrimitive);
OSL_ENSURE(pPoStroke, "OOps, PrimitiveID and PrimitiveType do not match (!)");
// do no tallow by default - problem is that self-overlapping parts of this geometry will
// not be in a all-same transparency but will already alpha-cover themselves with blending.
// This is not what the UnifiedTransparencePrimitive2D defines: It requires all its
// content to be uniformely transparent.
// To check, activate and draw a wide transparent self-crossing line/curve
static bool bAllowed(false);
bDrawTransparentUsed = bAllowed && tryDrawPolygonStrokePrimitive2DDirect(*pPoStroke, rUniTransparenceCandidate.getTransparence());
break;
}
default:
SAL_INFO("drawinglayer", "default case for " << drawinglayer::primitive2d::idToString(rUniTransparenceCandidate.getPrimitive2DID()));
break;
}
}
}
if(!bDrawTransparentUsed)
{
// unified sub-transparence. Draw to VDev first.
RenderUnifiedTransparencePrimitive2D(rUniTransparenceCandidate);
}
}
}
}
void VclPixelProcessor2D::processControlPrimitive2D(const primitive2d::ControlPrimitive2D& rControlPrimitive)
{
// control primitive
const uno::Reference< awt::XControl >& rXControl(rControlPrimitive.getXControl());
try
{
// remember old graphics and create new
uno::Reference< awt::XView > xControlView(rXControl, uno::UNO_QUERY_THROW);
const uno::Reference< awt::XGraphics > xOriginalGraphics(xControlView->getGraphics());
const uno::Reference< awt::XGraphics > xNewGraphics(mpOutputDevice->CreateUnoGraphics());
if(xNewGraphics.is())
{
// link graphics and view
xControlView->setGraphics(xNewGraphics);
// get position
const basegfx::B2DHomMatrix aObjectToPixel(maCurrentTransformation * rControlPrimitive.getTransform());
const basegfx::B2DPoint aTopLeftPixel(aObjectToPixel * basegfx::B2DPoint(0.0, 0.0));
// find out if the control is already visualized as a VCL-ChildWindow. If yes,
// it does not need to be painted at all.
uno::Reference< awt::XWindow2 > xControlWindow(rXControl, uno::UNO_QUERY_THROW);
const bool bControlIsVisibleAsChildWindow(rXControl->getPeer().is() && xControlWindow->isVisible());
if(!bControlIsVisibleAsChildWindow)
{
// draw it. Do not forget to use the evtl. offsetted origin of the target device,
// e.g. when used with mask/transparence buffer device
const Point aOrigin(mpOutputDevice->GetMapMode().GetOrigin());
xControlView->draw(
aOrigin.X() + basegfx::fround(aTopLeftPixel.getX()),
aOrigin.Y() + basegfx::fround(aTopLeftPixel.getY()));
}
// restore original graphics
xControlView->setGraphics(xOriginalGraphics);
}
}
catch(const uno::Exception&)
{
// #i116763# removing since there is a good alternative when the xControlView
// is not found and it is allowed to happen
// DBG_UNHANDLED_EXCEPTION();
// process recursively and use the decomposition as Bitmap
process(rControlPrimitive);
}
}
void VclPixelProcessor2D::processPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokePrimitive2D)
{
// try to use directly
if(tryDrawPolygonStrokePrimitive2DDirect(rPolygonStrokePrimitive2D, 0.0))
{
return;
}
// the stroke primitive may be decomposed to filled polygons. To keep
// evtl. set DrawModes aka DrawModeFlags::BlackLine, DrawModeFlags::GrayLine,
// DrawModeFlags::GhostedLine, DrawModeFlags::WhiteLine or DrawModeFlags::SettingsLine
// working, these need to be copied to the corresponding fill modes
const DrawModeFlags nOriginalDrawMode(mpOutputDevice->GetDrawMode());
adaptLineToFillDrawMode();
// polygon stroke primitive
static bool bSuppressFatToHairlineCorrection(false);
if(bSuppressFatToHairlineCorrection)
{
// remember that we enter a PolygonStrokePrimitive2D decomposition,
// used for AA thick line drawing
mnPolygonStrokePrimitive2D++;
// with AA there is no need to handle thin lines special
process(rPolygonStrokePrimitive2D);
// leave PolygonStrokePrimitive2D
mnPolygonStrokePrimitive2D--;
}
else
{
// Lines with 1 and 2 pixel width without AA need special treatment since their vsiualisation
// as filled polygons is geometrically correct but looks wrong since polygon filling avoids
// the right and bottom pixels. The used method evaluates that and takes the correct action,
// including calling recursively with decomposition if line is wide enough
RenderPolygonStrokePrimitive2D(rPolygonStrokePrimitive2D);
}
// restore DrawMode
mpOutputDevice->SetDrawMode(nOriginalDrawMode);
}
void VclPixelProcessor2D::processFillHatchPrimitive2D(const primitive2d::FillHatchPrimitive2D& rFillHatchPrimitive)
{
static bool bForceIgnoreHatchSmoothing(false);
if(bForceIgnoreHatchSmoothing || getOptionsDrawinglayer().IsAntiAliasing())
{
// if AA is used (or ignore smoothing is on), there is no need to smooth
// hatch painting, use decomposition
process(rFillHatchPrimitive);
}
else
{
// without AA, use VCL to draw the hatch. It snaps hatch distances to the next pixel
// and forces hatch distance to be >= 3 pixels to make the hatch display look smoother.
// This is wrong in principle, but looks nicer. This could also be done here directly
// without VCL usage if needed
const attribute::FillHatchAttribute& rFillHatchAttributes = rFillHatchPrimitive.getFillHatch();
// create hatch polygon in range size and discrete coordinates
basegfx::B2DRange aHatchRange(rFillHatchPrimitive.getOutputRange());
aHatchRange.transform(maCurrentTransformation);
const basegfx::B2DPolygon aHatchPolygon(basegfx::utils::createPolygonFromRect(aHatchRange));
if(rFillHatchAttributes.isFillBackground())
{
// #i111846# background fill is active; draw fill polygon
const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rFillHatchPrimitive.getBColor()));
mpOutputDevice->SetFillColor(Color(aPolygonColor));
mpOutputDevice->SetLineColor();
mpOutputDevice->DrawPolygon(aHatchPolygon);
}
// set hatch line color
const basegfx::BColor aHatchColor(maBColorModifierStack.getModifiedColor(rFillHatchPrimitive.getBColor()));
mpOutputDevice->SetFillColor();
mpOutputDevice->SetLineColor(Color(aHatchColor));
// get hatch style
HatchStyle eHatchStyle(HatchStyle::Single);
switch(rFillHatchAttributes.getStyle())
{
default : // HatchStyle::Single
{
break;
}
case attribute::HatchStyle::Double :
{
eHatchStyle = HatchStyle::Double;
break;
}
case attribute::HatchStyle::Triple :
{
eHatchStyle = HatchStyle::Triple;
break;
}
}
// create hatch
const basegfx::B2DVector aDiscreteDistance(maCurrentTransformation * basegfx::B2DVector(rFillHatchAttributes.getDistance(), 0.0));
const sal_uInt32 nDistance(basegfx::fround(aDiscreteDistance.getLength()));
const sal_uInt16 nAngle10(static_cast<sal_uInt16>(basegfx::fround(rFillHatchAttributes.getAngle() / F_PI1800)));
::Hatch aVCLHatch(eHatchStyle, Color(rFillHatchAttributes.getColor()), nDistance, nAngle10);
// draw hatch using VCL
mpOutputDevice->DrawHatch(::tools::PolyPolygon(::tools::Polygon(aHatchPolygon)), aVCLHatch);
}
}
void VclPixelProcessor2D::processBackgroundColorPrimitive2D(const primitive2d::BackgroundColorPrimitive2D& rPrimitive)
{
// #i98404# Handle directly, especially when AA is active
const AntialiasingFlags nOriginalAA(mpOutputDevice->GetAntialiasing());
// switch AA off in all cases
mpOutputDevice->SetAntialiasing(mpOutputDevice->GetAntialiasing() & ~AntialiasingFlags::EnableB2dDraw);
// create color for fill
const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rPrimitive.getBColor()));
Color aFillColor(aPolygonColor);
aFillColor.SetTransparency(sal_uInt8((rPrimitive.getTransparency() * 255.0) + 0.5));
mpOutputDevice->SetFillColor(aFillColor);
mpOutputDevice->SetLineColor();
// create rectangle for fill
const basegfx::B2DRange& aViewport(getViewInformation2D().getDiscreteViewport());
const ::tools::Rectangle aRectangle(
static_cast<sal_Int32>(floor(aViewport.getMinX())), static_cast<sal_Int32>(floor(aViewport.getMinY())),
static_cast<sal_Int32>(ceil(aViewport.getMaxX())), static_cast<sal_Int32>(ceil(aViewport.getMaxY())));
mpOutputDevice->DrawRect(aRectangle);
// restore AA setting
mpOutputDevice->SetAntialiasing(nOriginalAA);
}
void VclPixelProcessor2D::processBorderLinePrimitive2D(const drawinglayer::primitive2d::BorderLinePrimitive2D& rBorder)
{
// process recursively, but switch off AntiAliasing for
// horizontal/vertical lines (*not* diagonal lines).
// Checked using AntialiasingFlags::PixelSnapHairline instead,
// but with AntiAliasing on the display really is too 'ghosty' when
// using fine stroking. Correct, but 'ghosty'.
if (rBorder.isHorizontalOrVertical(getViewInformation2D()))
{
AntialiasingFlags nAntiAliasing = mpOutputDevice->GetAntialiasing();
mpOutputDevice->SetAntialiasing(nAntiAliasing & ~AntialiasingFlags::EnableB2dDraw);
process(rBorder);
mpOutputDevice->SetAntialiasing(nAntiAliasing);
}
else
{
process(rBorder);
}
}
void VclPixelProcessor2D::processInvertPrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
{
// invert primitive (currently only used for HighContrast fallback for selection in SW and SC).
// (Not true, also used at least for the drawing of dragged column and row boundaries in SC.)
// Set OutDev to XOR and switch AA off (XOR does not work with AA)
mpOutputDevice->Push();
mpOutputDevice->SetRasterOp( RasterOp::Xor );
const AntialiasingFlags nAntiAliasing(mpOutputDevice->GetAntialiasing());
mpOutputDevice->SetAntialiasing(nAntiAliasing & ~AntialiasingFlags::EnableB2dDraw);
// process content recursively
process(rCandidate);
// restore OutDev
mpOutputDevice->Pop();
mpOutputDevice->SetAntialiasing(nAntiAliasing);
}
void VclPixelProcessor2D::processMetaFilePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
{
// #i98289#
const bool bForceLineSnap(getOptionsDrawinglayer().IsAntiAliasing() && getOptionsDrawinglayer().IsSnapHorVerLinesToDiscrete());
const AntialiasingFlags nOldAntiAliase(mpOutputDevice->GetAntialiasing());
if(bForceLineSnap)
{
mpOutputDevice->SetAntialiasing(nOldAntiAliase | AntialiasingFlags::PixelSnapHairline);
}
process(rCandidate);
if(bForceLineSnap)
{
mpOutputDevice->SetAntialiasing(nOldAntiAliase);
}
}
} // end of namespace processor2d
} // end of namespace drawinglayer
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