svx/source/sdr/overlay/overlayobject.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
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  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 <svx/sdr/overlay/overlayobject.hxx>
  21 #include <svx/sdr/overlay/overlaymanager.hxx>
  22 #include <basegfx/matrix/b2dhommatrix.hxx>
  23 #include <basegfx/vector/b2dvector.hxx>
  24 #include <vcl/outdev.hxx>
  25 #include <basegfx/polygon/b2dpolygon.hxx>
  26 #include <basegfx/polygon/b2dpolypolygon.hxx>
  27 #include <basegfx/polygon/b2dpolygontools.hxx>
  28 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  29 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  30
  31
  32
  33 namespace sdr
  34 {
  35     namespace overlay
  36     {
  37         void OverlayObject::objectChange()
  38         {
  39             const basegfx::B2DRange aPreviousRange(maBaseRange);
  40             maBaseRange.reset();
  41             setPrimitive2DSequence(drawinglayer::primitive2d::Primitive2DSequence());
  42
  43             if(getOverlayManager() && !aPreviousRange.isEmpty())
  44             {
  45                 getOverlayManager()->invalidateRange(aPreviousRange);
  46             }
  47
  48             const basegfx::B2DRange& rCurrentRange = getBaseRange();
  49
  50             if(getOverlayManager() && rCurrentRange != aPreviousRange && !rCurrentRange.isEmpty())
  51             {
  52                 getOverlayManager()->invalidateRange(rCurrentRange);
  53             }
  54         }
  55
  56         // OverlayObject implementations.
  57         drawinglayer::primitive2d::Primitive2DSequence OverlayObject::createOverlayObjectPrimitive2DSequence()
  58         {
  59             // Default implementation has to assert a missing implementation. It cannot
  60             // be useful to have overlay object derivations which have no visualisation
  61             // at all
  62             OSL_FAIL("OverlayObject derivation without visualisation definition (missing createOverlayObjectPrimitive2DSequence implementation) (!)");
  63             return drawinglayer::primitive2d::Primitive2DSequence();
  64         }
  65
  66         sal_uInt32 OverlayObject::impCheckBlinkTimeValueRange(sal_uInt64 nBlinkTime)
  67         {
  68             if(nBlinkTime < 25)
  69             {
  70                 nBlinkTime = 25;
  71             }
  72             else if(nBlinkTime > 10000)
  73             {
  74                 nBlinkTime = 10000;
  75             }
  76
  77             return nBlinkTime;
  78         }
  79
  80         void OverlayObject::allowAntiAliase(bool bNew)
  81         {
  82             if(bNew != (bool)mbAllowsAntiAliase)
  83             {
  84                 // remember new value
  85                 mbAllowsAntiAliase = bNew;
  86
  87                 // register change (after change)
  88                 objectChange();
  89             }
  90         }
  91
  92         OverlayObject::OverlayObject(Color aBaseColor)
  93         :   Event(0),
  94             mpOverlayManager(0),
  95             maBaseColor(aBaseColor),
  96             mbIsVisible(true),
  97             mbIsHittable(true),
  98             mbAllowsAnimation(false),
  99             mbAllowsAntiAliase(true)
 100         {
 101         }
 102
 103         OverlayObject::~OverlayObject()
 104         {
 105             OSL_ENSURE(0 == getOverlayManager(), "OverlayObject is destructed which is still registered at OverlayManager (!)");
 106         }
 107
 108         drawinglayer::primitive2d::Primitive2DSequence OverlayObject::getOverlayObjectPrimitive2DSequence() const
 109         {
 110             if(!getPrimitive2DSequence().hasElements())
 111             {
 112                 // no existing sequence; create one
 113                 const_cast< OverlayObject* >(this)->setPrimitive2DSequence(
 114                     const_cast< OverlayObject* >(this)->createOverlayObjectPrimitive2DSequence());
 115             }
 116
 117             return getPrimitive2DSequence();
 118         }
 119
 120         const basegfx::B2DRange& OverlayObject::getBaseRange() const
 121         {
 122             if(getOverlayManager() && maBaseRange.isEmpty())
 123             {
 124                 const drawinglayer::primitive2d::Primitive2DSequence& rSequence = getOverlayObjectPrimitive2DSequence();
 125
 126                 if(rSequence.hasElements())
 127                 {
 128                     const drawinglayer::geometry::ViewInformation2D aViewInformation2D(getOverlayManager()->getCurrentViewInformation2D());
 129
 130                     const_cast< sdr::overlay::OverlayObject* >(this)->maBaseRange =
 131                         drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(rSequence, aViewInformation2D);
 132                 }
 133             }
 134
 135             return maBaseRange;
 136         }
 137
 138         void OverlayObject::setVisible(bool bNew)
 139         {
 140             if(bNew != (bool)mbIsVisible)
 141             {
 142                 // remember new value
 143                 mbIsVisible = bNew;
 144
 145                 // register change (after change)
 146                 objectChange();
 147             }
 148         }
 149
 150         void OverlayObject::setHittable(bool bNew)
 151         {
 152             if(bNew != (bool)mbIsHittable)
 153             {
 154                 // remember new value
 155                 mbIsHittable = bNew;
 156
 157                 // register change (after change)
 158                 objectChange();
 159             }
 160         }
 161
 162         void OverlayObject::setBaseColor(Color aNew)
 163         {
 164             if(aNew != maBaseColor)
 165             {
 166                 // remember new value
 167                 maBaseColor = aNew;
 168
 169                 // register change (after change)
 170                 objectChange();
 171             }
 172         }
 173
 174         void OverlayObject::Trigger(sal_uInt32 /*nTime*/)
 175         {
 176             // default does not register again
 177         }
 178
 179         void OverlayObject::stripeDefinitionHasChanged()
 180         {
 181             // default does not need to do anything
 182         }
 183     } // end of namespace overlay
 184 } // end of namespace sdr
 185
 186
 187
 188 namespace sdr
 189 {
 190     namespace overlay
 191     {
 192         OverlayObjectWithBasePosition::OverlayObjectWithBasePosition(const basegfx::B2DPoint& rBasePos, Color aBaseColor)
 193         :   OverlayObject(aBaseColor),
 194             maBasePosition(rBasePos)
 195         {
 196         }
 197
 198         OverlayObjectWithBasePosition::~OverlayObjectWithBasePosition()
 199         {
 200         }
 201
 202         void OverlayObjectWithBasePosition::setBasePosition(const basegfx::B2DPoint& rNew)
 203         {
 204             if(rNew != maBasePosition)
 205             {
 206                 // remember new value
 207                 maBasePosition = rNew;
 208
 209                 // register change (after change)
 210                 objectChange();
 211             }
 212         }
 213     } // end of namespace overlay
 214 } // end of namespace sdr
 215
 216 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */