office-gobmx/drawinglayer/source/primitive2d/polygonprimitive2d.cxx
Tomaž Vajngerl 81e3d9daed drawinglayer: remove ImplPrimitive2DIDBlock macro
We can just implement the simple getPrimitive2DID method in all
primitives. The ImplPrimitive2DIDBlock macro doesn't save us
anything.

Change-Id: I02f44d4891d7b340220890bf52a7ebfc8e41850a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117509
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
2021-06-20 14:07:20 +02:00

616 lines
22 KiB
C++

/* -*- 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 <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <basegfx/polygon/b2dlinegeometry.hxx>
#include <com/sun/star/drawing/LineCap.hpp>
using namespace com::sun::star;
using namespace std;
namespace drawinglayer::primitive2d
{
PolygonHairlinePrimitive2D::PolygonHairlinePrimitive2D(const basegfx::B2DPolygon& rPolygon,
const basegfx::BColor& rBColor)
: BasePrimitive2D()
, maPolygon(rPolygon)
, maBColor(rBColor)
{
}
bool PolygonHairlinePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if (BasePrimitive2D::operator==(rPrimitive))
{
const PolygonHairlinePrimitive2D& rCompare
= static_cast<const PolygonHairlinePrimitive2D&>(rPrimitive);
return (getB2DPolygon() == rCompare.getB2DPolygon() && getBColor() == rCompare.getBColor());
}
return false;
}
basegfx::B2DRange
PolygonHairlinePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
// this is a hairline, thus the line width is view-dependent. Get range of polygon
// as base size
basegfx::B2DRange aRetval(getB2DPolygon().getB2DRange());
if (!aRetval.isEmpty())
{
// Calculate view-dependent hairline width
const basegfx::B2DVector aDiscreteSize(
rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0));
const double fDiscreteHalfLineWidth(aDiscreteSize.getLength() * 0.5);
if (basegfx::fTools::more(fDiscreteHalfLineWidth, 0.0))
{
aRetval.grow(fDiscreteHalfLineWidth);
}
}
// return range
return aRetval;
}
// provide unique ID
sal_uInt32 PolygonHairlinePrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D;
}
void PolygonMarkerPrimitive2D::create2DDecomposition(
Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
{
// calculate logic DashLength
const basegfx::B2DVector aDashVector(rViewInformation.getInverseObjectToViewTransformation()
* basegfx::B2DVector(getDiscreteDashLength(), 0.0));
const double fLogicDashLength(aDashVector.getX());
if (fLogicDashLength > 0.0 && !getRGBColorA().equal(getRGBColorB()))
{
// apply dashing; get line and gap snippets
std::vector<double> aDash;
basegfx::B2DPolyPolygon aDashedPolyPolyA;
basegfx::B2DPolyPolygon aDashedPolyPolyB;
aDash.push_back(fLogicDashLength);
aDash.push_back(fLogicDashLength);
basegfx::utils::applyLineDashing(getB2DPolygon(), aDash, &aDashedPolyPolyA,
&aDashedPolyPolyB, 2.0 * fLogicDashLength);
rContainer.push_back(new PolyPolygonHairlinePrimitive2D(aDashedPolyPolyA, getRGBColorA()));
rContainer.push_back(new PolyPolygonHairlinePrimitive2D(aDashedPolyPolyB, getRGBColorB()));
}
else
{
rContainer.push_back(new PolygonHairlinePrimitive2D(getB2DPolygon(), getRGBColorA()));
}
}
PolygonMarkerPrimitive2D::PolygonMarkerPrimitive2D(const basegfx::B2DPolygon& rPolygon,
const basegfx::BColor& rRGBColorA,
const basegfx::BColor& rRGBColorB,
double fDiscreteDashLength)
: BufferedDecompositionPrimitive2D()
, maPolygon(rPolygon)
, maRGBColorA(rRGBColorA)
, maRGBColorB(rRGBColorB)
, mfDiscreteDashLength(fDiscreteDashLength)
, maLastInverseObjectToViewTransformation()
{
}
bool PolygonMarkerPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
{
const PolygonMarkerPrimitive2D& rCompare
= static_cast<const PolygonMarkerPrimitive2D&>(rPrimitive);
return (getB2DPolygon() == rCompare.getB2DPolygon()
&& getRGBColorA() == rCompare.getRGBColorA()
&& getRGBColorB() == rCompare.getRGBColorB()
&& getDiscreteDashLength() == rCompare.getDiscreteDashLength());
}
return false;
}
basegfx::B2DRange
PolygonMarkerPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
// this is a hairline, thus the line width is view-dependent. Get range of polygon
// as base size
basegfx::B2DRange aRetval(getB2DPolygon().getB2DRange());
if (!aRetval.isEmpty())
{
// Calculate view-dependent hairline width
const basegfx::B2DVector aDiscreteSize(
rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0));
const double fDiscreteHalfLineWidth(aDiscreteSize.getLength() * 0.5);
if (basegfx::fTools::more(fDiscreteHalfLineWidth, 0.0))
{
aRetval.grow(fDiscreteHalfLineWidth);
}
}
// return range
return aRetval;
}
void PolygonMarkerPrimitive2D::get2DDecomposition(
Primitive2DDecompositionVisitor& rVisitor,
const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard(m_aMutex);
bool bNeedNewDecomposition(false);
if (!getBuffered2DDecomposition().empty())
{
if (rViewInformation.getInverseObjectToViewTransformation()
!= maLastInverseObjectToViewTransformation)
{
bNeedNewDecomposition = true;
}
}
if (bNeedNewDecomposition)
{
// conditions of last local decomposition have changed, delete
const_cast<PolygonMarkerPrimitive2D*>(this)->setBuffered2DDecomposition(
Primitive2DContainer());
}
if (getBuffered2DDecomposition().empty())
{
// remember last used InverseObjectToViewTransformation
PolygonMarkerPrimitive2D* pThat = const_cast<PolygonMarkerPrimitive2D*>(this);
pThat->maLastInverseObjectToViewTransformation
= rViewInformation.getInverseObjectToViewTransformation();
}
// use parent implementation
BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
}
// provide unique ID
sal_uInt32 PolygonMarkerPrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_POLYGONMARKERPRIMITIVE2D;
}
} // end of namespace
namespace drawinglayer::primitive2d
{
void PolygonStrokePrimitive2D::create2DDecomposition(
Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
{
if (!getB2DPolygon().count())
return;
// #i102241# try to simplify before usage
const basegfx::B2DPolygon aB2DPolygon(basegfx::utils::simplifyCurveSegments(getB2DPolygon()));
basegfx::B2DPolyPolygon aHairLinePolyPolygon;
if (getStrokeAttribute().isDefault() || 0.0 == getStrokeAttribute().getFullDotDashLen())
{
// no line dashing, just copy
aHairLinePolyPolygon.append(aB2DPolygon);
}
else
{
// apply LineStyle
basegfx::utils::applyLineDashing(aB2DPolygon, getStrokeAttribute().getDotDashArray(),
&aHairLinePolyPolygon, nullptr,
getStrokeAttribute().getFullDotDashLen());
}
const sal_uInt32 nCount(aHairLinePolyPolygon.count());
if (!getLineAttribute().isDefault() && getLineAttribute().getWidth())
{
// create fat line data
const double fHalfLineWidth(getLineAttribute().getWidth() / 2.0);
const basegfx::B2DLineJoin aLineJoin(getLineAttribute().getLineJoin());
const css::drawing::LineCap aLineCap(getLineAttribute().getLineCap());
basegfx::B2DPolyPolygon aAreaPolyPolygon;
const double fMiterMinimumAngle(getLineAttribute().getMiterMinimumAngle());
for (sal_uInt32 a(0); a < nCount; a++)
{
// New version of createAreaGeometry; now creates bezier polygons
aAreaPolyPolygon.append(basegfx::utils::createAreaGeometry(
aHairLinePolyPolygon.getB2DPolygon(a), fHalfLineWidth, aLineJoin, aLineCap,
basegfx::deg2rad(12.5) /* default fMaxAllowedAngle*/,
0.4 /* default fMaxPartOfEdge*/, fMiterMinimumAngle));
}
// create primitive
for (sal_uInt32 b(0); b < aAreaPolyPolygon.count(); b++)
{
// put into single polyPolygon primitives to make clear that this is NOT meant
// to be painted as a single tools::PolyPolygon (XORed as fill rule). Alternatively, a
// melting process may be used here one day.
const basegfx::B2DPolyPolygon aNewPolyPolygon(aAreaPolyPolygon.getB2DPolygon(b));
const basegfx::BColor aColor(getLineAttribute().getColor());
rContainer.push_back(new PolyPolygonColorPrimitive2D(aNewPolyPolygon, aColor));
}
}
else
{
rContainer.push_back(new PolyPolygonHairlinePrimitive2D(aHairLinePolyPolygon,
getLineAttribute().getColor()));
}
}
PolygonStrokePrimitive2D::PolygonStrokePrimitive2D(
const basegfx::B2DPolygon& rPolygon, const attribute::LineAttribute& rLineAttribute,
const attribute::StrokeAttribute& rStrokeAttribute)
: BufferedDecompositionPrimitive2D()
, maPolygon(rPolygon)
, maLineAttribute(rLineAttribute)
, maStrokeAttribute(rStrokeAttribute)
{
// MM01: keep these - these are no curve-decompposers but just checks
// simplify curve segments: moved here to not need to use it
// at VclPixelProcessor2D::tryDrawPolygonStrokePrimitive2DDirect
maPolygon = basegfx::utils::simplifyCurveSegments(maPolygon);
}
PolygonStrokePrimitive2D::PolygonStrokePrimitive2D(const basegfx::B2DPolygon& rPolygon,
const attribute::LineAttribute& rLineAttribute)
: BufferedDecompositionPrimitive2D()
, maPolygon(rPolygon)
, maLineAttribute(rLineAttribute)
, maStrokeAttribute()
{
// MM01: keep these - these are no curve-decompposers but just checks
// simplify curve segments: moved here to not need to use it
// at VclPixelProcessor2D::tryDrawPolygonStrokePrimitive2DDirect
maPolygon = basegfx::utils::simplifyCurveSegments(maPolygon);
}
bool PolygonStrokePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
{
const PolygonStrokePrimitive2D& rCompare
= static_cast<const PolygonStrokePrimitive2D&>(rPrimitive);
return (getB2DPolygon() == rCompare.getB2DPolygon()
&& getLineAttribute() == rCompare.getLineAttribute()
&& getStrokeAttribute() == rCompare.getStrokeAttribute());
}
return false;
}
basegfx::B2DRange
PolygonStrokePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
basegfx::B2DRange aRetval;
if (getLineAttribute().getWidth())
{
bool bUseDecomposition(false);
if (basegfx::B2DLineJoin::Miter == getLineAttribute().getLineJoin())
{
// if line is mitered, use parent call since mitered line
// geometry may use more space than the geometry grown by half line width
bUseDecomposition = true;
}
if (!bUseDecomposition && css::drawing::LineCap_SQUARE == getLineAttribute().getLineCap())
{
// when drawing::LineCap_SQUARE is used the below method to grow the polygon
// range by half line width will not work, so use decomposition. Interestingly,
// the grow method below works perfectly for LineCap_ROUND since the grow is in
// all directions and the rounded cap needs the same grow in all directions independent
// from its orientation. Unfortunately this is not the case for drawing::LineCap_SQUARE
bUseDecomposition = true;
}
if (bUseDecomposition)
{
// get correct range by using the decomposition fallback, reasons see above cases
// ofz#947 to optimize calculating the range, turn any slow dashes into a solid line
// when just calculating bounds
attribute::StrokeAttribute aOrigStrokeAttribute = maStrokeAttribute;
const_cast<PolygonStrokePrimitive2D*>(this)->maStrokeAttribute
= attribute::StrokeAttribute();
aRetval = BufferedDecompositionPrimitive2D::getB2DRange(rViewInformation);
const_cast<PolygonStrokePrimitive2D*>(this)->maStrokeAttribute = aOrigStrokeAttribute;
}
else
{
// for all other B2DLINEJOIN_* get the range from the base geometry
// and expand by half the line width
aRetval = getB2DPolygon().getB2DRange();
aRetval.grow(getLineAttribute().getWidth() * 0.5);
}
}
else
{
// this is a hairline, thus the line width is view-dependent. Get range of polygon
// as base size
aRetval = getB2DPolygon().getB2DRange();
if (!aRetval.isEmpty())
{
// Calculate view-dependent hairline width
const basegfx::B2DVector aDiscreteSize(
rViewInformation.getInverseObjectToViewTransformation()
* basegfx::B2DVector(1.0, 0.0));
const double fDiscreteHalfLineWidth(aDiscreteSize.getLength() * 0.5);
if (basegfx::fTools::more(fDiscreteHalfLineWidth, 0.0))
{
aRetval.grow(fDiscreteHalfLineWidth);
}
}
}
return aRetval;
}
// provide unique ID
sal_uInt32 PolygonStrokePrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D;
}
void PolygonWavePrimitive2D::create2DDecomposition(
Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
{
if (!getB2DPolygon().count())
return;
const bool bHasWidth(!basegfx::fTools::equalZero(getWaveWidth()));
const bool bHasHeight(!basegfx::fTools::equalZero(getWaveHeight()));
if (bHasWidth && bHasHeight)
{
// create waveline curve
const basegfx::B2DPolygon aWaveline(
basegfx::utils::createWaveline(getB2DPolygon(), getWaveWidth(), getWaveHeight()));
rContainer.push_back(
new PolygonStrokePrimitive2D(aWaveline, getLineAttribute(), getStrokeAttribute()));
}
else
{
// flat waveline, decompose to simple line primitive
rContainer.push_back(new PolygonStrokePrimitive2D(getB2DPolygon(), getLineAttribute(),
getStrokeAttribute()));
}
}
PolygonWavePrimitive2D::PolygonWavePrimitive2D(const basegfx::B2DPolygon& rPolygon,
const attribute::LineAttribute& rLineAttribute,
const attribute::StrokeAttribute& rStrokeAttribute,
double fWaveWidth, double fWaveHeight)
: PolygonStrokePrimitive2D(rPolygon, rLineAttribute, rStrokeAttribute)
, mfWaveWidth(fWaveWidth)
, mfWaveHeight(fWaveHeight)
{
if (mfWaveWidth < 0.0)
{
mfWaveWidth = 0.0;
}
if (mfWaveHeight < 0.0)
{
mfWaveHeight = 0.0;
}
}
PolygonWavePrimitive2D::PolygonWavePrimitive2D(const basegfx::B2DPolygon& rPolygon,
const attribute::LineAttribute& rLineAttribute,
double fWaveWidth, double fWaveHeight)
: PolygonStrokePrimitive2D(rPolygon, rLineAttribute)
, mfWaveWidth(fWaveWidth)
, mfWaveHeight(fWaveHeight)
{
if (mfWaveWidth < 0.0)
{
mfWaveWidth = 0.0;
}
if (mfWaveHeight < 0.0)
{
mfWaveHeight = 0.0;
}
}
bool PolygonWavePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if (PolygonStrokePrimitive2D::operator==(rPrimitive))
{
const PolygonWavePrimitive2D& rCompare
= static_cast<const PolygonWavePrimitive2D&>(rPrimitive);
return (getWaveWidth() == rCompare.getWaveWidth()
&& getWaveHeight() == rCompare.getWaveHeight());
}
return false;
}
basegfx::B2DRange
PolygonWavePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
// get range of parent
basegfx::B2DRange aRetval(PolygonStrokePrimitive2D::getB2DRange(rViewInformation));
// if WaveHeight, grow by it
if (basegfx::fTools::more(getWaveHeight(), 0.0))
{
aRetval.grow(getWaveHeight());
}
// if line width, grow by it
if (basegfx::fTools::more(getLineAttribute().getWidth(), 0.0))
{
aRetval.grow(getLineAttribute().getWidth() * 0.5);
}
return aRetval;
}
// provide unique ID
sal_uInt32 PolygonWavePrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_POLYGONWAVEPRIMITIVE2D;
}
void PolygonStrokeArrowPrimitive2D::create2DDecomposition(
Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
{
// copy local polygon, it may be changed
basegfx::B2DPolygon aLocalPolygon(getB2DPolygon());
aLocalPolygon.removeDoublePoints();
basegfx::B2DPolyPolygon aArrowA;
basegfx::B2DPolyPolygon aArrowB;
if (!aLocalPolygon.isClosed() && aLocalPolygon.count() > 1)
{
// apply arrows
const double fPolyLength(basegfx::utils::getLength(aLocalPolygon));
double fStart(0.0);
double fEnd(0.0);
double fStartOverlap(0.0);
double fEndOverlap(0.0);
if (!getStart().isDefault() && getStart().isActive())
{
// create start arrow primitive and consume
aArrowA = basegfx::utils::createAreaGeometryForLineStartEnd(
aLocalPolygon, getStart().getB2DPolyPolygon(), true, getStart().getWidth(),
fPolyLength, getStart().isCentered() ? 0.5 : 0.0, &fStart);
// create some overlapping, compromise between straight and peaked markers
// for marker width 0.3cm and marker line width 0.02cm
fStartOverlap = getStart().getWidth() / 15.0;
}
if (!getEnd().isDefault() && getEnd().isActive())
{
// create end arrow primitive and consume
aArrowB = basegfx::utils::createAreaGeometryForLineStartEnd(
aLocalPolygon, getEnd().getB2DPolyPolygon(), false, getEnd().getWidth(),
fPolyLength, getEnd().isCentered() ? 0.5 : 0.0, &fEnd);
// create some overlapping
fEndOverlap = getEnd().getWidth() / 15.0;
}
if (0.0 != fStart || 0.0 != fEnd)
{
// build new poly, consume something from old poly
aLocalPolygon
= basegfx::utils::getSnippetAbsolute(aLocalPolygon, fStart - fStartOverlap,
fPolyLength - fEnd + fEndOverlap, fPolyLength);
}
}
// add shaft
rContainer.push_back(
new PolygonStrokePrimitive2D(aLocalPolygon, getLineAttribute(), getStrokeAttribute()));
if (aArrowA.count())
{
rContainer.push_back(
new PolyPolygonColorPrimitive2D(aArrowA, getLineAttribute().getColor()));
}
if (aArrowB.count())
{
rContainer.push_back(
new PolyPolygonColorPrimitive2D(aArrowB, getLineAttribute().getColor()));
}
}
PolygonStrokeArrowPrimitive2D::PolygonStrokeArrowPrimitive2D(
const basegfx::B2DPolygon& rPolygon, const attribute::LineAttribute& rLineAttribute,
const attribute::StrokeAttribute& rStrokeAttribute,
const attribute::LineStartEndAttribute& rStart, const attribute::LineStartEndAttribute& rEnd)
: PolygonStrokePrimitive2D(rPolygon, rLineAttribute, rStrokeAttribute)
, maStart(rStart)
, maEnd(rEnd)
{
}
PolygonStrokeArrowPrimitive2D::PolygonStrokeArrowPrimitive2D(
const basegfx::B2DPolygon& rPolygon, const attribute::LineAttribute& rLineAttribute,
const attribute::LineStartEndAttribute& rStart, const attribute::LineStartEndAttribute& rEnd)
: PolygonStrokePrimitive2D(rPolygon, rLineAttribute)
, maStart(rStart)
, maEnd(rEnd)
{
}
bool PolygonStrokeArrowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if (PolygonStrokePrimitive2D::operator==(rPrimitive))
{
const PolygonStrokeArrowPrimitive2D& rCompare
= static_cast<const PolygonStrokeArrowPrimitive2D&>(rPrimitive);
return (getStart() == rCompare.getStart() && getEnd() == rCompare.getEnd());
}
return false;
}
basegfx::B2DRange PolygonStrokeArrowPrimitive2D::getB2DRange(
const geometry::ViewInformation2D& rViewInformation) const
{
if (getStart().isActive() || getEnd().isActive())
{
// use decomposition when line start/end is used
return BufferedDecompositionPrimitive2D::getB2DRange(rViewInformation);
}
else
{
// get range from parent
return PolygonStrokePrimitive2D::getB2DRange(rViewInformation);
}
}
// provide unique ID
sal_uInt32 PolygonStrokeArrowPrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D;
}
} // end of namespace
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