svgio/inc/svgcharacternode.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  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 <sal/config.h>
  23 #include <rtl/ref.hxx>
  24
  25 #include <string_view>
  26
  27 #include "svgnode.hxx"
  28
  29 namespace drawinglayer::primitive2d { class TextSimplePortionPrimitive2D; }
  30
  31 namespace svgio::svgreader
  32     {
  33         class SvgTextPositions
  34         {
  35         private:
  36             SvgNumberVector         maX;
  37             SvgNumberVector         maY;
  38             SvgNumberVector         maDx;
  39             SvgNumberVector         maDy;
  40             SvgNumberVector         maRotate;
  41             SvgNumber               maTextLength;
  42
  43             bool                    mbLengthAdjust : 1; // true = spacing, false = spacingAndGlyphs
  44
  45         public:
  46             SvgTextPositions();
  47
  48             void parseTextPositionAttributes(SVGToken aSVGToken, const OUString& aContent);
  49
  50             /// X content
  51             const SvgNumberVector& getX() const { return maX; }
  52             void setX(const SvgNumberVector& aX) { maX = aX; }
  53
  54             /// Y content
  55             const SvgNumberVector& getY() const { return maY; }
  56             void setY(const SvgNumberVector& aY) { maY = aY; }
  57
  58             /// Dx content
  59             const SvgNumberVector& getDx() const { return maDx; }
  60             void setDx(const SvgNumberVector& aDx) { maDx = aDx; }
  61
  62             /// Dy content
  63             const SvgNumberVector& getDy() const { return maDy; }
  64             void setDy(const SvgNumberVector& aDy) { maDy = aDy; }
  65
  66             /// Rotate content
  67             const SvgNumberVector& getRotate() const { return maRotate; }
  68             void setRotate(const SvgNumberVector& aRotate) { maRotate = aRotate; }
  69
  70             /// TextLength content
  71             const SvgNumber& getTextLength() const { return maTextLength; }
  72             void setTextLength(const SvgNumber& rTextLength) { maTextLength = rTextLength; }
  73
  74             /// LengthAdjust content
  75             bool getLengthAdjust() const { return mbLengthAdjust; }
  76             void setLengthAdjust(bool bNew) { mbLengthAdjust = bNew; }
  77         };
  78
  79         class SvgTextPosition
  80         {
  81         private:
  82             SvgTextPosition*            mpParent;
  83             ::std::vector< double >     maX;
  84             ::std::vector< double >     maY;
  85             ::std::vector< double >     maRotate;
  86             double                      mfTextLength;
  87
  88             // absolute, current, advancing position
  89             basegfx::B2DPoint           maPosition;
  90
  91             // advancing rotation index
  92             sal_uInt32                  mnRotationIndex;
  93
  94             bool                        mbLengthAdjust : 1; // true = spacing, false = spacingAndGlyphs
  95             bool                        mbAbsoluteX : 1;
  96
  97         public:
  98             SvgTextPosition(
  99                 SvgTextPosition* pParent,
 100                 const InfoProvider& rInfoProvider,
 101                 const SvgTextPositions& rSvgTextPositions);
 102
 103             // data read access
 104             const SvgTextPosition* getParent() const { return mpParent; }
 105             const ::std::vector< double >& getX() const { return maX; }
 106             double getTextLength() const { return mfTextLength; }
 107             bool getLengthAdjust() const { return mbLengthAdjust; }
 108             bool getAbsoluteX() const { return mbAbsoluteX; }
 109
 110             // get/set absolute, current, advancing position
 111             const basegfx::B2DPoint& getPosition() const { return maPosition; }
 112             void setPosition(const basegfx::B2DPoint& rNew) { maPosition = rNew; }
 113
 114             // rotation handling
 115             bool isRotated() const;
 116             double consumeRotation();
 117         };
 118
 119         class SvgCharacterNode final : public SvgNode
 120         {
 121         private:
 122             /// the string data
 123             OUString           maText;
 124
 125             /// local helpers
 126             rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> createSimpleTextPrimitive(
 127                 SvgTextPosition& rSvgTextPosition,
 128                 const SvgStyleAttributes& rSvgStyleAttributes) const;
 129             void decomposeTextWithStyle(
 130                 drawinglayer::primitive2d::Primitive2DContainer& rTarget,
 131                 SvgTextPosition& rSvgTextPosition,
 132                 const SvgStyleAttributes& rSvgStyleAttributes) const;
 133
 134         public:
 135             SvgCharacterNode(
 136                 SvgDocument& rDocument,
 137                 SvgNode* pParent,
 138                 const OUString& rText);
 139             virtual ~SvgCharacterNode() override;
 140
 141             virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
 142             void decomposeText(drawinglayer::primitive2d::Primitive2DContainer& rTarget, SvgTextPosition& rSvgTextPosition) const;
 143             void whiteSpaceHandling();
 144             void addGap();
 145             void concatenate(std::u16string_view rText);
 146
 147             /// Text content
 148             const OUString& getText() const { return maText; }
 149         };
 150
 151 } // end of namespace svgio::svgreader
 152
 153
 154 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */