svx/source/sdr/primitive2d/sdrgrafprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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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 <drawinglayer/primitive2d/groupprimitive2d.hxx>
  23 #include <drawinglayer/primitive2d/exclusiveeditviewprimitive2d.hxx>
  24 #include <basegfx/polygon/b2dpolygontools.hxx>
  25 #include <sdr/primitive2d/sdrdecompositiontools.hxx>
  26 #include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
  27 #include <basegfx/polygon/b2dpolygon.hxx>
  28 #include <utility>
  29
  30 namespace drawinglayer::primitive2d
  31 {
  32 Primitive2DReference SdrGrafPrimitive2D::create2DDecomposition(
  33     const geometry::ViewInformation2D& /*aViewInformation*/) const
  34 {
  35     Primitive2DContainer aRetval;
  36
  37     // create unit outline polygon
  38     const basegfx::B2DPolygon& aUnitOutline(basegfx::utils::createUnitPolygon());
  39
  40     // add fill, but only when graphic is transparent
  41     if (!getSdrLFSTAttribute().getFill().isDefault() && isTransparent())
  42     {
  43         basegfx::B2DPolyPolygon aTransformed(aUnitOutline);
  44
  45         aTransformed.transform(getTransform());
  46         aRetval.push_back(
  47             createPolyPolygonFillPrimitive(aTransformed, getSdrLFSTAttribute().getFill(),
  48                                            getSdrLFSTAttribute().getFillFloatTransGradient()));
  49     }
  50
  51     // add graphic content
  52     if (0 != getGraphicAttr().GetAlpha())
  53     {
  54         // standard graphic fill
  55         const Primitive2DReference xGraphicContentPrimitive(
  56             new GraphicPrimitive2D(getTransform(), getGraphicObject(), getGraphicAttr()));
  57         aRetval.push_back(xGraphicContentPrimitive);
  58     }
  59
  60     // add line
  61     if (!getSdrLFSTAttribute().getLine().isDefault())
  62     {
  63         // if line width is given, polygon needs to be grown by half of it to make the
  64         // outline to be outside of the bitmap
  65         if (0.0 != getSdrLFSTAttribute().getLine().getWidth())
  66         {
  67             // decompose to get scale
  68             basegfx::B2DVector aScale, aTranslate;
  69             double fRotate, fShearX;
  70             getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
  71
  72             // create expanded range (add relative half line width to unit rectangle)
  73             double fHalfLineWidth(getSdrLFSTAttribute().getLine().getWidth() * 0.5);
  74             double fScaleX(0.0 != aScale.getX() ? fHalfLineWidth / fabs(aScale.getX()) : 1.0);
  75             double fScaleY(0.0 != aScale.getY() ? fHalfLineWidth / fabs(aScale.getY()) : 1.0);
  76             const basegfx::B2DRange aExpandedRange(-fScaleX, -fScaleY, 1.0 + fScaleX,
  77                                                    1.0 + fScaleY);
  78             basegfx::B2DPolygon aExpandedUnitOutline(
  79                 basegfx::utils::createPolygonFromRect(aExpandedRange));
  80
  81             aExpandedUnitOutline.transform(getTransform());
  82             aRetval.push_back(createPolygonLinePrimitive(aExpandedUnitOutline,
  83                                                          getSdrLFSTAttribute().getLine(),
  84                                                          attribute::SdrLineStartEndAttribute()));
  85         }
  86         else
  87         {
  88             basegfx::B2DPolygon aTransformed(aUnitOutline);
  89
  90             aTransformed.transform(getTransform());
  91             aRetval.push_back(createPolygonLinePrimitive(aTransformed,
  92                                                          getSdrLFSTAttribute().getLine(),
  93                                                          attribute::SdrLineStartEndAttribute()));
  94         }
  95     }
  96
  97     // Soft edges should be before text, since text is not affected by soft edges
  98     if (!aRetval.empty() && getSdrLFSTAttribute().getSoftEdgeRadius())
  99     {
 100         aRetval = createEmbeddedSoftEdgePrimitive(std::move(aRetval),
 101                                                   getSdrLFSTAttribute().getSoftEdgeRadius());
 102     }
 103
 104     // add text
 105     if (!getSdrLFSTAttribute().getText().isDefault())
 106     {
 107         const drawinglayer::primitive2d::Primitive2DReference xReferenceA = createTextPrimitive(
 108             basegfx::B2DPolyPolygon(aUnitOutline), getTransform(), getSdrLFSTAttribute().getText(),
 109             getSdrLFSTAttribute().getLine(), false, false);
 110
 111         if (!mbPlaceholderImage)
 112         {
 113             aRetval.push_back(xReferenceA);
 114         }
 115         else
 116         {
 117             const drawinglayer::primitive2d::Primitive2DReference aEmbedded(
 118                 new drawinglayer::primitive2d::ExclusiveEditViewPrimitive2D(
 119                     drawinglayer::primitive2d::Primitive2DContainer{ xReferenceA }));
 120
 121             aRetval.push_back(aEmbedded);
 122         }
 123     }
 124
 125     // tdf#132199: put glow before shadow, to have shadow of the glow, not the opposite
 126     if (!aRetval.empty() && !getSdrLFSTAttribute().getGlow().isDefault())
 127     {
 128         // glow
 129         aRetval = createEmbeddedGlowPrimitive(std::move(aRetval), getSdrLFSTAttribute().getGlow());
 130     }
 131
 132     // add shadow
 133     if (!getSdrLFSTAttribute().getShadow().isDefault())
 134     {
 135         aRetval = createEmbeddedShadowPrimitive(std::move(aRetval),
 136                                                 getSdrLFSTAttribute().getShadow(), getTransform());
 137     }
 138
 139     return new GroupPrimitive2D(std::move(aRetval));
 140 }
 141
 142 SdrGrafPrimitive2D::SdrGrafPrimitive2D(
 143     basegfx::B2DHomMatrix aTransform,
 144     const attribute::SdrLineFillEffectsTextAttribute& rSdrLFSTAttribute,
 145     const GraphicObject& rGraphicObject, const GraphicAttr& rGraphicAttr,
 146     bool bPlaceholderImage /* = false */)
 147     : maTransform(std::move(aTransform))
 148     , maSdrLFSTAttribute(rSdrLFSTAttribute)
 149     , maGraphicObject(rGraphicObject)
 150     , maGraphicAttr(rGraphicAttr)
 151     , mbPlaceholderImage(bPlaceholderImage)
 152 {
 153     // activate callback to flush buffered decomposition content
 154     setCallbackSeconds(20);
 155
 156     // reset some values from GraphicAttr which are part of transformation already
 157     maGraphicAttr.SetRotation(0_deg10);
 158 }
 159
 160 bool SdrGrafPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 161 {
 162     if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
 163     {
 164         const SdrGrafPrimitive2D& rCompare = static_cast<const SdrGrafPrimitive2D&>(rPrimitive);
 165
 166         return (getTransform() == rCompare.getTransform()
 167                 && getSdrLFSTAttribute() == rCompare.getSdrLFSTAttribute()
 168                 && getGraphicObject() == rCompare.getGraphicObject()
 169                 && getGraphicAttr() == rCompare.getGraphicAttr());
 170     }
 171
 172     return false;
 173 }
 174
 175 bool SdrGrafPrimitive2D::isTransparent() const
 176 {
 177     return ((255 != getGraphicAttr().GetAlpha()) || (getGraphicObject().IsTransparent()));
 178 }
 179
 180 // provide unique ID
 181 sal_uInt32 SdrGrafPrimitive2D::getPrimitive2DID() const
 182 {
 183     return PRIMITIVE2D_ID_SDRGRAFPRIMITIVE2D;
 184 }
 185
 186 } // end of namespace
 187
 188 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */