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::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             Primitive2DContainer&& aChildren,
  41             bool bIsTextAnimation)
  42         :   GroupPrimitive2D(std::move(aChildren)),
  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.visit(xRef);
  81         }
  82
  83         // provide unique ID
  84         sal_uInt32 AnimatedSwitchPrimitive2D::getPrimitive2DID() const
  85         {
  86             return PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D;
  87         }
  88
  89 } // end of namespace drawinglayer::primitive2d
  90
  91
  92 namespace drawinglayer::primitive2d
  93 {
  94         AnimatedBlinkPrimitive2D::AnimatedBlinkPrimitive2D(
  95             const animation::AnimationEntry& rAnimationEntry,
  96             Primitive2DContainer&& aChildren)
  97         :   AnimatedSwitchPrimitive2D(rAnimationEntry, std::move(aChildren), true/*bIsTextAnimation*/)
  98         {
  99         }
 100
 101         void AnimatedBlinkPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
 102         {
 103             if(!getChildren().empty())
 104             {
 105                 const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
 106
 107                 if(fState < 0.5)
 108                 {
 109                     getChildren(rVisitor);
 110                 }
 111             }
 112         }
 113
 114         // provide unique ID
 115         sal_uInt32 AnimatedBlinkPrimitive2D::getPrimitive2DID() const
 116         {
 117             return PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D;
 118         }
 119
 120 } // end of namespace drawinglayer::primitive2d
 121
 122
 123 namespace drawinglayer::primitive2d
 124 {
 125         AnimatedInterpolatePrimitive2D::AnimatedInterpolatePrimitive2D(
 126             const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack,
 127             const animation::AnimationEntry& rAnimationEntry,
 128             Primitive2DContainer&& aChildren)
 129         :   AnimatedSwitchPrimitive2D(rAnimationEntry, std::move(aChildren), true/*bIsTextAnimation*/)
 130         {
 131             // copy matrices to locally pre-decomposed matrix stack
 132             const sal_uInt32 nCount(rmMatrixStack.size());
 133             maMatrixStack.reserve(nCount);
 134
 135             for(const auto& a : rmMatrixStack)
 136             {
 137                 maMatrixStack.emplace_back(a);
 138             }
 139         }
 140
 141         void AnimatedInterpolatePrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
 142         {
 143             const sal_uInt32 nSize(maMatrixStack.size());
 144
 145             if(nSize)
 146             {
 147                 double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
 148
 149                 if(fState < 0.0)
 150                 {
 151                     fState = 0.0;
 152                 }
 153                 else if(fState > 1.0)
 154                 {
 155                     fState = 1.0;
 156                 }
 157
 158                 const double fIndex(fState * static_cast<double>(nSize - 1));
 159                 const sal_uInt32 nIndA(sal_uInt32(floor(fIndex)));
 160                 const double fOffset(fIndex - static_cast<double>(nIndA));
 161                 basegfx::B2DHomMatrix aTargetTransform;
 162                 std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatA(maMatrixStack.begin() + nIndA);
 163
 164                 if(basegfx::fTools::equalZero(fOffset))
 165                 {
 166                     // use matrix from nIndA directly
 167                     aTargetTransform = aMatA->getB2DHomMatrix();
 168                 }
 169                 else
 170                 {
 171                     // interpolate. Get involved buffered decomposed matrices
 172                     const sal_uInt32 nIndB((nIndA + 1) % nSize);
 173                     std::vector< basegfx::utils::B2DHomMatrixBufferedDecompose >::const_iterator aMatB(maMatrixStack.begin() + nIndB);
 174
 175                     // interpolate for fOffset [0.0 .. 1.0[
 176                     const basegfx::B2DVector aScale(basegfx::interpolate(aMatA->getScale(), aMatB->getScale(), fOffset));
 177                     const basegfx::B2DVector aTranslate(basegfx::interpolate(aMatA->getTranslate(), aMatB->getTranslate(), fOffset));
 178                     const double fRotate(((aMatB->getRotate() - aMatA->getRotate()) * fOffset) + aMatA->getRotate());
 179                     const double fShearX(((aMatB->getShearX() - aMatA->getShearX()) * fOffset) + aMatA->getShearX());
 180
 181                     // build matrix for state
 182                     aTargetTransform = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
 183                         aScale, fShearX, fRotate, aTranslate);
 184                 }
 185
 186                 // create new transform primitive reference, return new sequence
 187                 Primitive2DReference xRef(new TransformPrimitive2D(aTargetTransform, Primitive2DContainer(getChildren())));
 188                 rVisitor.visit(xRef);
 189             }
 190             else
 191             {
 192                 getChildren(rVisitor);
 193             }
 194         }
 195
 196         // provide unique ID
 197         sal_uInt32 AnimatedInterpolatePrimitive2D::getPrimitive2DID() const
 198         {
 199             return PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D;
 200         }
 201 } // end of namespace
 202
 203 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */