svgio/inc/svgsvgnode.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include "svgstyleattributes.hxx"
  23 #include <memory>
  24
  25 namespace svgio::svgreader
  26     {
  27         class SvgSvgNode final : public SvgNode
  28         {
  29         private:
  30             /// use styles
  31             SvgStyleAttributes      maSvgStyleAttributes;
  32
  33             /// variable scan values, dependent of given XAttributeList
  34             std::unique_ptr<basegfx::B2DRange>
  35                                     mpViewBox;
  36             SvgAspectRatio          maSvgAspectRatio;
  37             SvgNumber               maX;
  38             SvgNumber               maY;
  39             SvgNumber               maWidth;
  40             SvgNumber               maHeight;
  41             SvgNumber               maVersion;
  42
  43             /// #i125258# bitfield
  44             bool                    mbStyleAttributesInitialized : 1;
  45
  46             // #i125258# on-demand init hard attributes when this is the outmost svg element
  47             // and more (see implementation)
  48             void initializeStyleAttributes();
  49
  50         public:
  51             SvgSvgNode(
  52                 SvgDocument& rDocument,
  53                 SvgNode* pParent);
  54             virtual ~SvgSvgNode() override;
  55
  56             virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
  57             virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) override;
  58             virtual void decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool bReferenced) const override;
  59
  60             /// Seeks width and height of viewport, which is current before the new viewport is set.
  61             // needed for percentage unit in x, y, width or height
  62             void seekReferenceWidth(double& fWidth, bool& bHasFound) const;
  63             void seekReferenceHeight(double& fHeight, bool& bHasFound) const;
  64
  65             /// InfoProvider support for % values in children
  66             // The returned 'CurrentViewPort' is the viewport as it is set by this svg element
  67             // and as it is needed to resolve relative values in children
  68             // The method does not check for invalid width and height
  69             virtual basegfx::B2DRange getCurrentViewPort() const override;
  70
  71             /// viewBox content
  72             const basegfx::B2DRange* getViewBox() const { return mpViewBox.get(); }
  73             void setViewBox(const basegfx::B2DRange* pViewBox) { mpViewBox.reset(); if(pViewBox) mpViewBox.reset( new basegfx::B2DRange(*pViewBox) ); }
  74
  75             /// SvgAspectRatio content
  76             const SvgAspectRatio& getSvgAspectRatio() const { return maSvgAspectRatio; }
  77
  78             /// x content
  79             const SvgNumber& getX() const { return maX; }
  80
  81             /// y content
  82             const SvgNumber& getY() const { return maY; }
  83
  84             /// width content
  85             const SvgNumber& getWidth() const { return maWidth; }
  86
  87             /// height content
  88             const SvgNumber& getHeight() const { return maHeight; }
  89         };
  90
  91 } // end of namespace svgio::svgreader
  92
  93 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */