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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/processor3d/geometry2dextractor.hxx>
#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
#include <drawinglayer/primitive3d/transformprimitive3d.hxx>
#include <drawinglayer/primitive3d/modifiedcolorprimitive3d.hxx>
#include <drawinglayer/primitive3d/polygonprimitive3d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive3d/textureprimitive3d.hxx>
using namespace com::sun::star;
namespace drawinglayer
{
namespace processor3d
{
// as tooling, the process() implementation takes over API handling and calls this
// virtual render method when the primitive implementation is BasePrimitive3D-based.
void Geometry2DExtractingProcessor::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate)
{
// it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch
switch(rCandidate.getPrimitive3DID())
{
case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D :
{
// transform group. Remember current transformations
const primitive3d::TransformPrimitive3D& rPrimitive = static_cast< const primitive3d::TransformPrimitive3D& >(rCandidate);
const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D());
// create new transformation; add new object transform from right side
const geometry::ViewInformation3D aNewViewInformation3D(
aLastViewInformation3D.getObjectTransformation() * rPrimitive.getTransformation(),
aLastViewInformation3D.getOrientation(),
aLastViewInformation3D.getProjection(),
aLastViewInformation3D.getDeviceToView(),
aLastViewInformation3D.getViewTime(),
aLastViewInformation3D.getExtendedInformationSequence());
updateViewInformation(aNewViewInformation3D);
// let break down recursively
process(rPrimitive.getChildren());
// restore transformations
updateViewInformation(aLastViewInformation3D);
break;
}
case PRIMITIVE3D_ID_MODIFIEDCOLORPRIMITIVE3D :
{
// ModifiedColorPrimitive3D; push, process and pop
const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate = static_cast< const primitive3d::ModifiedColorPrimitive3D& >(rCandidate);
const primitive3d::Primitive3DContainer& rSubSequence = rModifiedCandidate.getChildren();
if(!rSubSequence.empty())
{
maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
process(rModifiedCandidate.getChildren());
maBColorModifierStack.pop();
}
break;
}
case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D :
{
// PolygonHairlinePrimitive3D
const primitive3d::PolygonHairlinePrimitive3D& rPrimitive = static_cast< const primitive3d::PolygonHairlinePrimitive3D& >(rCandidate);
basegfx::B2DPolygon a2DHairline(basegfx::tools::createB2DPolygonFromB3DPolygon(rPrimitive.getB3DPolygon(), getViewInformation3D().getObjectToView()));
if(a2DHairline.count())
{
a2DHairline.transform(getObjectTransformation());
const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getBColor()));
const primitive2d::Primitive2DReference xRef(new primitive2d::PolygonHairlinePrimitive2D(a2DHairline, aModifiedColor));
maPrimitive2DSequence.push_back(xRef);
}
break;
}
case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D :
{
// PolyPolygonMaterialPrimitive3D
const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rCandidate);
basegfx::B2DPolyPolygon a2DFill(basegfx::tools::createB2DPolyPolygonFromB3DPolyPolygon(rPrimitive.getB3DPolyPolygon(), getViewInformation3D().getObjectToView()));
if(a2DFill.count())
{
a2DFill.transform(getObjectTransformation());
const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getMaterial().getColor()));
const primitive2d::Primitive2DReference xRef(new primitive2d::PolyPolygonColorPrimitive2D(a2DFill, aModifiedColor));
maPrimitive2DSequence.push_back(xRef);
}
break;
}
case PRIMITIVE3D_ID_GRADIENTTEXTUREPRIMITIVE3D :
case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D :
case PRIMITIVE3D_ID_BITMAPTEXTUREPRIMITIVE3D :
case PRIMITIVE3D_ID_TRANSPARENCETEXTUREPRIMITIVE3D :
case PRIMITIVE3D_ID_UNIFIEDTRANSPARENCETEXTUREPRIMITIVE3D :
{
// TexturePrimitive3D: Process children, do not try to decompose
const primitive3d::TexturePrimitive3D& rTexturePrimitive = static_cast< const primitive3d::TexturePrimitive3D& >(rCandidate);
const primitive3d::Primitive3DContainer& aChildren(rTexturePrimitive.getChildren());
if(!aChildren.empty())
{
process(aChildren);
}
break;
}
case PRIMITIVE3D_ID_SHADOWPRIMITIVE3D :
{
// accept but ignore labels and shadow; these should be extracted separately
break;
}
default :
{
// process recursively
process(rCandidate.get3DDecomposition(getViewInformation3D()));
break;
}
}
}
Geometry2DExtractingProcessor::Geometry2DExtractingProcessor(
const geometry::ViewInformation3D& rViewInformation,
const basegfx::B2DHomMatrix& rObjectTransformation)
: BaseProcessor3D(rViewInformation),
maPrimitive2DSequence(),
maObjectTransformation(rObjectTransformation),
maBColorModifierStack()
{
}
} // end of namespace processor3d
} // end of namespace drawinglayer
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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