xref: /trunk/main/drawinglayer/source/primitive2d/animatedprimitive2d.cxx (revision 464702f4)

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/animation/animationtiming.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>

//////////////////////////////////////////////////////////////////////////////

using namespace com::sun::star;

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace primitive2d
	{
		AnimatedSwitchPrimitive2D::AnimatedSwitchPrimitive2D(
			const animation::AnimationEntry& rAnimationEntry,
			const Primitive2DSequence& rChildren,
			bool bIsTextAnimation)
		:	GroupPrimitive2D(rChildren),
			mpAnimationEntry(0),
			mbIsTextAnimation(bIsTextAnimation)
		{
			// clone given animation description
			mpAnimationEntry = rAnimationEntry.clone();
		}

		AnimatedSwitchPrimitive2D::~AnimatedSwitchPrimitive2D()
		{
			// delete cloned animation description
			delete mpAnimationEntry;
		}

		bool AnimatedSwitchPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
		{
			if(GroupPrimitive2D::operator==(rPrimitive))
			{
				const AnimatedSwitchPrimitive2D& rCompare = static_cast< const AnimatedSwitchPrimitive2D& >(rPrimitive);

				return (getAnimationEntry() == rCompare.getAnimationEntry());
			}

			return false;
		}

		Primitive2DSequence AnimatedSwitchPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
		{
			if(getChildren().hasElements())
			{
				const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
				const sal_uInt32 nLen(getChildren().getLength());
				sal_uInt32 nIndex(basegfx::fround(fState * (double)nLen));

				if(nIndex >= nLen)
				{
					nIndex = nLen - 1L;
				}

				const Primitive2DReference xRef(getChildren()[nIndex], uno::UNO_QUERY_THROW);
				return Primitive2DSequence(&xRef, 1L);
			}

			return Primitive2DSequence();
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(AnimatedSwitchPrimitive2D, PRIMITIVE2D_ID_ANIMATEDSWITCHPRIMITIVE2D)

	} // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace primitive2d
	{
		AnimatedBlinkPrimitive2D::AnimatedBlinkPrimitive2D(
			const animation::AnimationEntry& rAnimationEntry,
			const Primitive2DSequence& rChildren,
			bool bIsTextAnimation)
		:	AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, bIsTextAnimation)
		{
		}

		Primitive2DSequence AnimatedBlinkPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
		{
			if(getChildren().hasElements())
			{
				const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));

				if(fState < 0.5)
				{
					return getChildren();
				}
			}

			return Primitive2DSequence();
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(AnimatedBlinkPrimitive2D, PRIMITIVE2D_ID_ANIMATEDBLINKPRIMITIVE2D)

	} // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace primitive2d
	{
		AnimatedInterpolatePrimitive2D::AnimatedInterpolatePrimitive2D(
			const std::vector< basegfx::B2DHomMatrix >& rmMatrixStack,
			const animation::AnimationEntry& rAnimationEntry,
			const Primitive2DSequence& rChildren,
			bool bIsTextAnimation)
		:	AnimatedSwitchPrimitive2D(rAnimationEntry, rChildren, bIsTextAnimation),
			maMatrixStack()
		{
			// copy matrices to locally pre-decomposed matrix stack
			const sal_uInt32 nCount(rmMatrixStack.size());
            maMatrixStack.reserve(nCount);

			for(sal_uInt32 a(0L); a < nCount; a++)
			{
				maMatrixStack.push_back(basegfx::tools::B2DHomMatrixBufferedDecompose(rmMatrixStack[a]));
			}
		}

		Primitive2DSequence AnimatedInterpolatePrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
		{
			const sal_uInt32 nSize(maMatrixStack.size());

			if(nSize)
			{
				double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));

				if(fState < 0.0)
				{
					fState = 0.0;
				}
				else if(fState > 1.0)
				{
					fState = 1.0;
				}

				const double fIndex(fState * (double)(nSize - 1L));
				const sal_uInt32 nIndA(sal_uInt32(floor(fIndex)));
				const double fOffset(fIndex - (double)nIndA);
				basegfx::B2DHomMatrix aTargetTransform;
				std::vector< basegfx::tools::B2DHomMatrixBufferedDecompose >::const_iterator aMatA(maMatrixStack.begin() + nIndA);

				if(basegfx::fTools::equalZero(fOffset))
				{
					// use matrix from nIndA directly
					aTargetTransform = aMatA->getB2DHomMatrix();
				}
				else
				{
					// interpolate. Get involved buffered decomposed matrices
					const sal_uInt32 nIndB((nIndA + 1L) % nSize);
					std::vector< basegfx::tools::B2DHomMatrixBufferedDecompose >::const_iterator aMatB(maMatrixStack.begin() + nIndB);

					// interpolate for fOffset [0.0 .. 1.0[
					const basegfx::B2DVector aScale(basegfx::interpolate(aMatA->getScale(), aMatB->getScale(), fOffset));
					const basegfx::B2DVector aTranslate(basegfx::interpolate(aMatA->getTranslate(), aMatB->getTranslate(), fOffset));
					const double fRotate(((aMatB->getRotate() - aMatA->getRotate()) * fOffset) + aMatA->getRotate());
					const double fShearX(((aMatB->getShearX() - aMatA->getShearX()) * fOffset) + aMatA->getShearX());

					// build matrix for state
					aTargetTransform = basegfx::tools::createScaleShearXRotateTranslateB2DHomMatrix(
						aScale, fShearX, fRotate, aTranslate);
				}

				// create new transform primitive reference, return new sequence
				const Primitive2DReference xRef(new TransformPrimitive2D(aTargetTransform, getChildren()));
				return Primitive2DSequence(&xRef, 1L);
			}
			else
			{
				return getChildren();
			}
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(AnimatedInterpolatePrimitive2D, PRIMITIVE2D_ID_ANIMATEDINTERPOLATEPRIMITIVE2D)

	} // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof