svx/source/sdr/primitive2d/sdrgrafprimitive2d.cxx

   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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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   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
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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 #include <sdr/primitive2d/sdrgrafprimitive2d.hxx>
  21 #include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23 #include <sdr/primitive2d/sdrdecompositiontools.hxx>
  24 #include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
  25 #include <basegfx/polygon/b2dpolygon.hxx>
  26 #include <utility>
  27
  28 namespace drawinglayer::primitive2d
  29 {
  30 void SdrGrafPrimitive2D::create2DDecomposition(
  31     Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*aViewInformation*/) const
  32 {
  33     Primitive2DContainer aRetval;
  34
  35     // create unit outline polygon
  36     const basegfx::B2DPolygon& aUnitOutline(basegfx::utils::createUnitPolygon());
  37
  38     // add fill, but only when graphic is transparent
  39     if (!getSdrLFSTAttribute().getFill().isDefault() && isTransparent())
  40     {
  41         basegfx::B2DPolyPolygon aTransformed(aUnitOutline);
  42
  43         aTransformed.transform(getTransform());
  44         aRetval.push_back(
  45             createPolyPolygonFillPrimitive(aTransformed, getSdrLFSTAttribute().getFill(),
  46                                            getSdrLFSTAttribute().getFillFloatTransGradient()));
  47     }
  48
  49     // add graphic content
  50     if (0 != getGraphicAttr().GetAlpha())
  51     {
  52         // standard graphic fill
  53         const Primitive2DReference xGraphicContentPrimitive(
  54             new GraphicPrimitive2D(getTransform(), getGraphicObject(), getGraphicAttr()));
  55         aRetval.push_back(xGraphicContentPrimitive);
  56     }
  57
  58     // add line
  59     if (!getSdrLFSTAttribute().getLine().isDefault())
  60     {
  61         // if line width is given, polygon needs to be grown by half of it to make the
  62         // outline to be outside of the bitmap
  63         if (0.0 != getSdrLFSTAttribute().getLine().getWidth())
  64         {
  65             // decompose to get scale
  66             basegfx::B2DVector aScale, aTranslate;
  67             double fRotate, fShearX;
  68             getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
  69
  70             // create expanded range (add relative half line width to unit rectangle)
  71             double fHalfLineWidth(getSdrLFSTAttribute().getLine().getWidth() * 0.5);
  72             double fScaleX(0.0 != aScale.getX() ? fHalfLineWidth / fabs(aScale.getX()) : 1.0);
  73             double fScaleY(0.0 != aScale.getY() ? fHalfLineWidth / fabs(aScale.getY()) : 1.0);
  74             const basegfx::B2DRange aExpandedRange(-fScaleX, -fScaleY, 1.0 + fScaleX,
  75                                                    1.0 + fScaleY);
  76             basegfx::B2DPolygon aExpandedUnitOutline(
  77                 basegfx::utils::createPolygonFromRect(aExpandedRange));
  78
  79             aExpandedUnitOutline.transform(getTransform());
  80             aRetval.push_back(createPolygonLinePrimitive(aExpandedUnitOutline,
  81                                                          getSdrLFSTAttribute().getLine(),
  82                                                          attribute::SdrLineStartEndAttribute()));
  83         }
  84         else
  85         {
  86             basegfx::B2DPolygon aTransformed(aUnitOutline);
  87
  88             aTransformed.transform(getTransform());
  89             aRetval.push_back(createPolygonLinePrimitive(aTransformed,
  90                                                          getSdrLFSTAttribute().getLine(),
  91                                                          attribute::SdrLineStartEndAttribute()));
  92         }
  93     }
  94
  95     // Soft edges should be before text, since text is not affected by soft edges
  96     if (!aRetval.empty() && getSdrLFSTAttribute().getSoftEdgeRadius())
  97     {
  98         aRetval = createEmbeddedSoftEdgePrimitive(std::move(aRetval),
  99                                                   getSdrLFSTAttribute().getSoftEdgeRadius());
 100     }
 101
 102     // add text
 103     if (!getSdrLFSTAttribute().getText().isDefault())
 104     {
 105         aRetval.push_back(createTextPrimitive(basegfx::B2DPolyPolygon(aUnitOutline), getTransform(),
 106                                               getSdrLFSTAttribute().getText(),
 107                                               getSdrLFSTAttribute().getLine(), false, false));
 108     }
 109
 110     // tdf#132199: put glow before shadow, to have shadow of the glow, not the opposite
 111     if (!aRetval.empty() && !getSdrLFSTAttribute().getGlow().isDefault())
 112     {
 113         // glow
 114         aRetval = createEmbeddedGlowPrimitive(std::move(aRetval), getSdrLFSTAttribute().getGlow());
 115     }
 116
 117     // add shadow
 118     if (!getSdrLFSTAttribute().getShadow().isDefault())
 119     {
 120         aRetval = createEmbeddedShadowPrimitive(std::move(aRetval),
 121                                                 getSdrLFSTAttribute().getShadow(), getTransform());
 122     }
 123
 124     rContainer.append(std::move(aRetval));
 125 }
 126
 127 SdrGrafPrimitive2D::SdrGrafPrimitive2D(
 128     basegfx::B2DHomMatrix aTransform,
 129     const attribute::SdrLineFillEffectsTextAttribute& rSdrLFSTAttribute,
 130     const GraphicObject& rGraphicObject, const GraphicAttr& rGraphicAttr)
 131     : maTransform(std::move(aTransform))
 132     , maSdrLFSTAttribute(rSdrLFSTAttribute)
 133     , maGraphicObject(rGraphicObject)
 134     , maGraphicAttr(rGraphicAttr)
 135 {
 136     // reset some values from GraphicAttr which are part of transformation already
 137     maGraphicAttr.SetRotation(0_deg10);
 138 }
 139
 140 bool SdrGrafPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 141 {
 142     if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
 143     {
 144         const SdrGrafPrimitive2D& rCompare = static_cast<const SdrGrafPrimitive2D&>(rPrimitive);
 145
 146         return (getTransform() == rCompare.getTransform()
 147                 && getSdrLFSTAttribute() == rCompare.getSdrLFSTAttribute()
 148                 && getGraphicObject() == rCompare.getGraphicObject()
 149                 && getGraphicAttr() == rCompare.getGraphicAttr());
 150     }
 151
 152     return false;
 153 }
 154
 155 bool SdrGrafPrimitive2D::isTransparent() const
 156 {
 157     return ((255 != getGraphicAttr().GetAlpha()) || (getGraphicObject().IsTransparent()));
 158 }
 159
 160 // provide unique ID
 161 sal_uInt32 SdrGrafPrimitive2D::getPrimitive2DID() const
 162 {
 163     return PRIMITIVE2D_ID_SDRGRAFPRIMITIVE2D;
 164 }
 165
 166 } // end of namespace
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */