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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 <drawinglayer/primitive2d/fillhatchprimitive2d.hxx>
#include <texture/texture.hxx>
#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
using namespace com::sun::star;
namespace drawinglayer::primitive2d
{
void FillHatchPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
{
if(getFillHatch().isDefault())
return;
// create hatch
const basegfx::BColor aHatchColor(getFillHatch().getColor());
const double fAngle(getFillHatch().getAngle());
std::vector< basegfx::B2DHomMatrix > aMatrices;
double fDistance(getFillHatch().getDistance());
const bool bAdaptDistance(0 != getFillHatch().getMinimalDiscreteDistance());
// #i120230# evtl. adapt distance
if(bAdaptDistance)
{
const double fDiscreteDistance(getFillHatch().getDistance() / getDiscreteUnit());
if(fDiscreteDistance < static_cast<double>(getFillHatch().getMinimalDiscreteDistance()))
{
fDistance = static_cast<double>(getFillHatch().getMinimalDiscreteDistance()) * getDiscreteUnit();
}
}
// get hatch transformations
switch(getFillHatch().getStyle())
{
case attribute::HatchStyle::Triple:
{
// rotated 45 degrees
texture::GeoTexSvxHatch aHatch(
getDefinitionRange(),
getOutputRange(),
fDistance,
fAngle - M_PI_4);
aHatch.appendTransformations(aMatrices);
[[fallthrough]];
}
case attribute::HatchStyle::Double:
{
// rotated 90 degrees
texture::GeoTexSvxHatch aHatch(
getDefinitionRange(),
getOutputRange(),
fDistance,
fAngle - M_PI_2);
aHatch.appendTransformations(aMatrices);
[[fallthrough]];
}
case attribute::HatchStyle::Single:
{
// angle as given
texture::GeoTexSvxHatch aHatch(
getDefinitionRange(),
getOutputRange(),
fDistance,
fAngle);
aHatch.appendTransformations(aMatrices);
}
}
// prepare return value
const bool bFillBackground(getFillHatch().isFillBackground());
// evtl. create filled background
if(bFillBackground)
{
// create primitive for background
rContainer.push_back(
new PolyPolygonColorPrimitive2D(
basegfx::B2DPolyPolygon(
basegfx::utils::createPolygonFromRect(getOutputRange())), getBColor()));
}
// create primitives
const basegfx::B2DPoint aStart(0.0, 0.0);
const basegfx::B2DPoint aEnd(1.0, 0.0);
for (const auto &a : aMatrices)
{
const basegfx::B2DHomMatrix& rMatrix = a;
basegfx::B2DPolygon aNewLine;
aNewLine.append(rMatrix * aStart);
aNewLine.append(rMatrix * aEnd);
// create hairline
rContainer.push_back(new PolygonHairlinePrimitive2D(aNewLine, aHatchColor));
}
}
FillHatchPrimitive2D::FillHatchPrimitive2D(
const basegfx::B2DRange& rOutputRange,
const basegfx::BColor& rBColor,
const attribute::FillHatchAttribute& rFillHatch)
: maOutputRange(rOutputRange),
maDefinitionRange(rOutputRange),
maFillHatch(rFillHatch),
maBColor(rBColor)
{
}
FillHatchPrimitive2D::FillHatchPrimitive2D(
const basegfx::B2DRange& rOutputRange,
const basegfx::B2DRange& rDefinitionRange,
const basegfx::BColor& rBColor,
const attribute::FillHatchAttribute& rFillHatch)
: maOutputRange(rOutputRange),
maDefinitionRange(rDefinitionRange),
maFillHatch(rFillHatch),
maBColor(rBColor)
{
}
bool FillHatchPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
{
const FillHatchPrimitive2D& rCompare = static_cast<const FillHatchPrimitive2D&>(rPrimitive);
return (getOutputRange() == rCompare.getOutputRange()
&& getDefinitionRange() == rCompare.getDefinitionRange()
&& getFillHatch() == rCompare.getFillHatch()
&& getBColor() == rCompare.getBColor());
}
return false;
}
basegfx::B2DRange FillHatchPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
{
// return the geometrically visible area
return getOutputRange();
}
void FillHatchPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
{
bool bAdaptDistance(0 != getFillHatch().getMinimalDiscreteDistance());
if(bAdaptDistance)
{
// behave view-dependent
DiscreteMetricDependentPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
}
else
{
// behave view-independent
BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
}
}
// provide unique ID
sal_uInt32 FillHatchPrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_FILLHATCHPRIMITIVE2D;
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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