drawinglayer/source/primitive2d/animatedprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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
  31 {
  32     namespace primitive2d
  33     {
  34         void AnimatedSwitchPrimitive2D::setAnimationEntry(const animation::AnimationEntry& rNew)
  35         {
  36             // clone given animation description
  37             mpAnimationEntry = rNew.clone();
  38         }
  39
  40         AnimatedSwitchPrimitive2D::AnimatedSwitchPrimitive2D(
  41             const animation::AnimationEntry& rAnimationEntry,
  42             const Primitive2DContainer& rChildren,
  43             bool bIsTextAnimation)
  44         :   GroupPrimitive2D(rChildren),
  45             mbIsTextAnimation(bIsTextAnimation)
  46         {
  47             // clone given animation description
  48             mpAnimationEntry = rAnimationEntry.clone();
  49         }
  50
  51         AnimatedSwitchPrimitive2D::~AnimatedSwitchPrimitive2D()
  52         {
  53         }
  54
  55         bool AnimatedSwitchPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
  56         {
  57             if(GroupPrimitive2D::operator==(rPrimitive))
  58             {
  59                 const AnimatedSwitchPrimitive2D& rCompare = static_cast< const AnimatedSwitchPrimitive2D& >(rPrimitive);
  60
  61                 return (getAnimationEntry() == rCompare.getAnimationEntry());
  62             }
  63
  64             return false;
  65         }
  66
  67         void AnimatedSwitchPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
  68         {
  69             if(!getChildren().empty())
  70             {
  71                 const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
  72                 const sal_uInt32 nLen(getChildren().size());
  73                 sal_uInt32 nIndex(basegfx::fround(fState * static_cast<double>(nLen)));
  74
  75                 if(nIndex >= nLen)
  76                 {
  77                     nIndex = nLen - 1;
  78                 }
  79
  80                 const Primitive2DReference xRef(getChildren()[nIndex], uno::UNO_SET_THROW);
  81                 rVisitor.append(xRef);
  82             }
  83         }
  84
  85         // provide unique ID
  86         ImplPrimitive2DIDBlock(AnimatedSwitchPrimitive2D, PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D)
  87
  88     } // end of namespace primitive2d
  89 } // end of namespace drawinglayer
  90
  91
  92 namespace drawinglayer
  93 {
  94     namespace primitive2d
  95     {
  96         AnimatedBlinkPrimitive2D::AnimatedBlinkPrimitive2D(
  97             const animation::AnimationEntry& rAnimationEntry,
  98             const Primitive2DContainer& rChildren)
  99         :   AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, true/*bIsTextAnimation*/)
 100         {
 101         }
 102
 103         void AnimatedBlinkPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
 104         {
 105             if(!getChildren().empty())
 106             {
 107                 const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
 108
 109                 if(fState < 0.5)
 110                 {
 111                     getChildren(rVisitor);
 112                 }
 113             }
 114         }
 115
 116         // provide unique ID
 117         ImplPrimitive2DIDBlock(AnimatedBlinkPrimitive2D, PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D)
 118
 119     } // end of namespace primitive2d
 120 } // end of namespace drawinglayer
 121
 122
 123 namespace drawinglayer
 124 {
 125     namespace primitive2d
 126     {
 127         AnimatedInterpolatePrimitive2D::AnimatedInterpolatePrimitive2D(
 128             const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack,
 129             const animation::AnimationEntry& rAnimationEntry,
 130             const Primitive2DContainer& rChildren)
 131         :   AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, true/*bIsTextAnimation*/),
 132             maMatrixStack()
 133         {
 134             // copy matrices to locally pre-decomposed matrix stack
 135             const sal_uInt32 nCount(rmMatrixStack.size());
 136             maMatrixStack.reserve(nCount);
 137
 138             for(sal_uInt32 a(0); a < nCount; a++)
 139             {
 140                 maMatrixStack.emplace_back(rmMatrixStack[a]);
 141             }
 142         }
 143
 144         void AnimatedInterpolatePrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
 145         {
 146             const sal_uInt32 nSize(maMatrixStack.size());
 147
 148             if(nSize)
 149             {
 150                 double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
 151
 152                 if(fState < 0.0)
 153                 {
 154                     fState = 0.0;
 155                 }
 156                 else if(fState > 1.0)
 157                 {
 158                     fState = 1.0;
 159                 }
 160
 161                 const double fIndex(fState * static_cast<double>(nSize - 1));
 162                 const sal_uInt32 nIndA(sal_uInt32(floor(fIndex)));
 163                 const double fOffset(fIndex - static_cast<double>(nIndA));
 164                 basegfx::B2DHomMatrix aTargetTransform;
 165                 std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatA(maMatrixStack.begin() + nIndA);
 166
 167                 if(basegfx::fTools::equalZero(fOffset))
 168                 {
 169                     // use matrix from nIndA directly
 170                     aTargetTransform = aMatA->getB2DHomMatrix();
 171                 }
 172                 else
 173                 {
 174                     // interpolate. Get involved buffered decomposed matrices
 175                     const sal_uInt32 nIndB((nIndA + 1) % nSize);
 176                     std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatB(maMatrixStack.begin() + nIndB);
 177
 178                     // interpolate for fOffset [0.0 .. 1.0[
 179                     const basegfx::B2DVector aScale(basegfx::interpolate(aMatA->getScale(), aMatB->getScale(), fOffset));
 180                     const basegfx::B2DVector aTranslate(basegfx::interpolate(aMatA->getTranslate(), aMatB->getTranslate(), fOffset));
 181                     const double fRotate(((aMatB->getRotate() - aMatA->getRotate()) * fOffset) + aMatA->getRotate());
 182                     const double fShearX(((aMatB->getShearX() - aMatA->getShearX()) * fOffset) + aMatA->getShearX());
 183
 184                     // build matrix for state
 185                     aTargetTransform = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
 186                         aScale, fShearX, fRotate, aTranslate);
 187                 }
 188
 189                 // create new transform primitive reference, return new sequence
 190                 const Primitive2DReference xRef(new TransformPrimitive2D(aTargetTransform, getChildren()));
 191                 rVisitor.append(xRef);
 192             }
 193             else
 194             {
 195                 getChildren(rVisitor);
 196             }
 197         }
 198
 199         // provide unique ID
 200         ImplPrimitive2DIDBlock(AnimatedInterpolatePrimitive2D, PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D)
 201
 202     } // end of namespace primitive2d
 203 } // end of namespace drawinglayer
 204
 205 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */