drawinglayer/source/primitive2d/animatedprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  10  *
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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 <drawinglayer/primitive2d/animatedprimitive2d.hxx>
  21 #include <drawinglayer/animation/animationtiming.hxx>
  22 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  23 #include <drawinglayer/geometry/viewinformation2d.hxx>
  24 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  25
  26
  27 using namespace com::sun::star;
  28
  29
  30 namespace drawinglayer::primitive2d
  31 {
  32         void AnimatedSwitchPrimitive2D::setAnimationEntry(const animation::AnimationEntry& rNew)
  33         {
  34             // clone given animation description
  35             mpAnimationEntry = rNew.clone();
  36         }
  37
  38         AnimatedSwitchPrimitive2D::AnimatedSwitchPrimitive2D(
  39             const animation::AnimationEntry& rAnimationEntry,
  40             const Primitive2DContainer& rChildren,
  41             bool bIsTextAnimation)
  42         :   GroupPrimitive2D(rChildren),
  43             mbIsTextAnimation(bIsTextAnimation)
  44         {
  45             // clone given animation description
  46             mpAnimationEntry = rAnimationEntry.clone();
  47         }
  48
  49         AnimatedSwitchPrimitive2D::~AnimatedSwitchPrimitive2D()
  50         {
  51         }
  52
  53         bool AnimatedSwitchPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  54         {
  55             if(GroupPrimitive2D::operator==(rPrimitive))
  56             {
  57                 const AnimatedSwitchPrimitive2D& rCompare = static_cast< const AnimatedSwitchPrimitive2D& >(rPrimitive);
  58
  59                 return (getAnimationEntry() == rCompare.getAnimationEntry());
  60             }
  61
  62             return false;
  63         }
  64
  65         void AnimatedSwitchPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
  66         {
  67             if(getChildren().empty())
  68                 return;
  69
  70             const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
  71             const sal_uInt32 nLen(getChildren().size());
  72             sal_uInt32 nIndex(basegfx::fround(fState * static_cast<double>(nLen)));
  73
  74             if(nIndex >= nLen)
  75             {
  76                 nIndex = nLen - 1;
  77             }
  78
  79             const Primitive2DReference xRef(getChildren()[nIndex], uno::UNO_SET_THROW);
  80             rVisitor.append(xRef);
  81         }
  82
  83         // provide unique ID
  84         ImplPrimitive2DIDBlock(AnimatedSwitchPrimitive2D, PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D)
  85
  86 } // end of namespace drawinglayer::primitive2d
  87
  88
  89 namespace drawinglayer::primitive2d
  90 {
  91         AnimatedBlinkPrimitive2D::AnimatedBlinkPrimitive2D(
  92             const animation::AnimationEntry& rAnimationEntry,
  93             const Primitive2DContainer& rChildren)
  94         :   AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, true/*bIsTextAnimation*/)
  95         {
  96         }
  97
  98         void AnimatedBlinkPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
  99         {
 100             if(!getChildren().empty())
 101             {
 102                 const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
 103
 104                 if(fState < 0.5)
 105                 {
 106                     getChildren(rVisitor);
 107                 }
 108             }
 109         }
 110
 111         // provide unique ID
 112         ImplPrimitive2DIDBlock(AnimatedBlinkPrimitive2D, PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D)
 113
 114 } // end of namespace drawinglayer::primitive2d
 115
 116
 117 namespace drawinglayer::primitive2d
 118 {
 119         AnimatedInterpolatePrimitive2D::AnimatedInterpolatePrimitive2D(
 120             const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack,
 121             const animation::AnimationEntry& rAnimationEntry,
 122             const Primitive2DContainer& rChildren)
 123         :   AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, true/*bIsTextAnimation*/),
 124             maMatrixStack()
 125         {
 126             // copy matrices to locally pre-decomposed matrix stack
 127             const sal_uInt32 nCount(rmMatrixStack.size());
 128             maMatrixStack.reserve(nCount);
 129
 130             for(sal_uInt32 a(0); a < nCount; a++)
 131             {
 132                 maMatrixStack.emplace_back(rmMatrixStack[a]);
 133             }
 134         }
 135
 136         void AnimatedInterpolatePrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
 137         {
 138             const sal_uInt32 nSize(maMatrixStack.size());
 139
 140             if(nSize)
 141             {
 142                 double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
 143
 144                 if(fState < 0.0)
 145                 {
 146                     fState = 0.0;
 147                 }
 148                 else if(fState > 1.0)
 149                 {
 150                     fState = 1.0;
 151                 }
 152
 153                 const double fIndex(fState * static_cast<double>(nSize - 1));
 154                 const sal_uInt32 nIndA(sal_uInt32(floor(fIndex)));
 155                 const double fOffset(fIndex - static_cast<double>(nIndA));
 156                 basegfx::B2DHomMatrix aTargetTransform;
 157                 std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatA(maMatrixStack.begin() + nIndA);
 158
 159                 if(basegfx::fTools::equalZero(fOffset))
 160                 {
 161                     // use matrix from nIndA directly
 162                     aTargetTransform = aMatA->getB2DHomMatrix();
 163                 }
 164                 else
 165                 {
 166                     // interpolate. Get involved buffered decomposed matrices
 167                     const sal_uInt32 nIndB((nIndA + 1) % nSize);
 168                     std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatB(maMatrixStack.begin() + nIndB);
 169
 170                     // interpolate for fOffset [0.0 .. 1.0[
 171                     const basegfx::B2DVector aScale(basegfx::interpolate(aMatA->getScale(), aMatB->getScale(), fOffset));
 172                     const basegfx::B2DVector aTranslate(basegfx::interpolate(aMatA->getTranslate(), aMatB->getTranslate(), fOffset));
 173                     const double fRotate(((aMatB->getRotate() - aMatA->getRotate()) * fOffset) + aMatA->getRotate());
 174                     const double fShearX(((aMatB->getShearX() - aMatA->getShearX()) * fOffset) + aMatA->getShearX());
 175
 176                     // build matrix for state
 177                     aTargetTransform = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
 178                         aScale, fShearX, fRotate, aTranslate);
 179                 }
 180
 181                 // create new transform primitive reference, return new sequence
 182                 const Primitive2DReference xRef(new TransformPrimitive2D(aTargetTransform, getChildren()));
 183                 rVisitor.append(xRef);
 184             }
 185             else
 186             {
 187                 getChildren(rVisitor);
 188             }
 189         }
 190
 191         // provide unique ID
 192         ImplPrimitive2DIDBlock(AnimatedInterpolatePrimitive2D, PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D)
 193
 194 } // end of namespace
 195
 196 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */