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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/.
*
*/
#ifndef VCL_INC_SCENEGRAPHNODES_HXX
#define VCL_INC_SCENEGRAPHNODES_HXX
#include <vcl/SceneGraph.hxx>
#include <glm/glm.hpp>
#include <basegfx/range/b2drange.hxx>
#include <o3tl/make_unique.hxx>
namespace vcl
{
namespace sg
{
class VCL_DLLPUBLIC ClippingNode : public Node
{
public:
ClippingNode()
: Node(NodeType::CLIPPING)
{}
basegfx::B2DRange maClipBox;
};
class VCL_DLLPUBLIC TransformNode : public Node
{
public:
glm::mat4 maMatrix;
TransformNode(glm::mat4 aMatrix)
: Node(NodeType::TRANSFORM)
, maMatrix(aMatrix)
{}
};
enum class GeometryNodeType
{
RECTANGLE,
POLYPOLYGON,
BITMAP
};
class VCL_DLLPUBLIC GeometryNode : public Node
{
public:
GeometryNodeType meGeometryType;
bool mbNormalized;
GeometryNode(GeometryNodeType eGeometryType)
: Node(NodeType::GEOMETRY)
, meGeometryType(eGeometryType)
, mbNormalized(false)
{}
protected:
void markAsModified()
{}
};
struct GeometryAttributes
{
SalColor maLineColor;
SalColor maFillColor;
GeometryAttributes(SalColor aLineColor = SALCOLOR_NONE, SalColor aFillColor = SALCOLOR_NONE)
: maLineColor(aLineColor)
, maFillColor(aFillColor)
{}
};
class VCL_DLLPUBLIC RectangleNode : public GeometryNode
{
private:
basegfx::B2DRange maRectangle;
GeometryAttributes maAttributes;
public:
RectangleNode(const basegfx::B2DRange& rRectangle, const GeometryAttributes& rAttributes)
: GeometryNode(GeometryNodeType::RECTANGLE)
, maRectangle(rRectangle)
, maAttributes(rAttributes)
{}
const GeometryAttributes& getAttributes()
{
return maAttributes;
}
const basegfx::B2DRange& getRectangle()
{
return maRectangle;
}
void modifyAttributes(GeometryAttributes& rAttributes)
{
maAttributes = rAttributes;
markAsModified();
}
};
class VCL_DLLPUBLIC PolyPolygonNode : public GeometryNode
{
private:
basegfx::B2DPolyPolygon maPolyPolygon;
GeometryAttributes maAttributes;
public:
PolyPolygonNode(const basegfx::B2DPolyPolygon& rPolyPolygon, const GeometryAttributes& rAttributes)
: GeometryNode(GeometryNodeType::POLYPOLYGON)
, maPolyPolygon(rPolyPolygon)
, maAttributes(rAttributes)
{}
const GeometryAttributes& getAttributes()
{
return maAttributes;
}
const basegfx::B2DPolyPolygon& getPolyPolygon()
{
return maPolyPolygon;
}
void modifyAttributes(GeometryAttributes& rAttributes)
{
maAttributes = rAttributes;
markAsModified();
}
};
class VCL_DLLPUBLIC BitmapNode : public GeometryNode
{
public:
Bitmap maBitmap;
basegfx::B2DRange maRectangle;
BitmapNode(Bitmap aBitmap, basegfx::B2DRange aRectangle)
: GeometryNode(GeometryNodeType::BITMAP)
, maBitmap(aBitmap)
, maRectangle(aRectangle)
{}
};
class SceneGraphFactory
{
private:
std::vector<std::shared_ptr<Node>> maNodeStack;
public:
SceneGraphFactory(const std::shared_ptr<Node>& pRootNode)
: maNodeStack({pRootNode})
{}
Node& getCurrent()
{
return *maNodeStack.back().get();
}
void pushTransform(glm::mat4 aMatrix, const OUString& rName)
{
auto pTransformNode = std::make_shared<vcl::sg::TransformNode>(aMatrix);
pTransformNode->setName(rName);
getCurrent().mChildren.push_back(pTransformNode);
maNodeStack.push_back(pTransformNode);
}
void pop()
{
maNodeStack.pop_back();
}
void addRectangle(const basegfx::B2DRange& rRange, SalColor nLineColor, SalColor nFillColor)
{
GeometryAttributes aAttributes(nLineColor, nFillColor);
getCurrent().mChildren.push_back(std::make_shared<RectangleNode>(rRange, aAttributes));
}
void addNormalizedRectangle(const basegfx::B2DRange& rRange, SalColor nLineColor, SalColor nFillColor)
{
addRectangle(rRange, nLineColor, nFillColor);
std::static_pointer_cast<RectangleNode>(getCurrent().mChildren.back())->mbNormalized = true;
}
void addBitmap(Bitmap& rBitmap, const basegfx::B2DRange& rRange)
{
getCurrent().mChildren.push_back(std::make_shared<BitmapNode>(rBitmap, rRange));
}
void addPolyPolygon(const basegfx::B2DPolyPolygon& rPolyPolygon, SalColor nLineColor, SalColor nFillColor)
{
GeometryAttributes aAttributes(nLineColor, nFillColor);
getCurrent().mChildren.push_back(std::make_shared<PolyPolygonNode>(rPolyPolygon, aAttributes));
}
};
}} // end vcl::sg namespace
#endif // INCLUDED_VCL_INC_SCENEGRAPH_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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