xref: /trunk/main/drawinglayer/source/primitive2d/shadowprimitive2d.cxx (revision e38dead8)

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

#include <drawinglayer/primitive2d/shadowprimitive2d.hxx>
#include <basegfx/color/bcolormodifier.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>

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

using namespace com::sun::star;

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

namespace drawinglayer
{
	namespace primitive2d
	{
		ShadowPrimitive2D::ShadowPrimitive2D(
			const basegfx::B2DHomMatrix& rShadowTransform,
			const basegfx::BColor& rShadowColor,
			const Primitive2DSequence& rChildren)
		:	GroupPrimitive2D(rChildren),
			maShadowTransform(rShadowTransform),
			maShadowColor(rShadowColor)
		{
		}

		bool ShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
		{
			if(BasePrimitive2D::operator==(rPrimitive))
			{
				const ShadowPrimitive2D& rCompare = static_cast< const ShadowPrimitive2D& >(rPrimitive);

				return (getShadowTransform() == rCompare.getShadowTransform()
					&& getShadowColor() == rCompare.getShadowColor());
			}

			return false;
		}

		basegfx::B2DRange ShadowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
		{
			basegfx::B2DRange aRetval(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation));
			aRetval.transform(getShadowTransform());
			return aRetval;
		}

		Primitive2DSequence ShadowPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
		{
			Primitive2DSequence aRetval;

			if(getChildren().hasElements())
			{
				// create a modifiedColorPrimitive containing the shadow color and the content
				const basegfx::BColorModifierSharedPtr aBColorModifier(
					new basegfx::BColorModifier_replace(
						getShadowColor()));
				const Primitive2DReference xRefA(
					new ModifiedColorPrimitive2D(
						getChildren(),
						aBColorModifier));
				const Primitive2DSequence aSequenceB(&xRefA, 1L);

				// build transformed primitiveVector with shadow offset and add to target
				const Primitive2DReference xRefB(new TransformPrimitive2D(getShadowTransform(), aSequenceB));
				aRetval = Primitive2DSequence(&xRefB, 1L);
			}

			return aRetval;
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(ShadowPrimitive2D, PRIMITIVE2D_ID_SHADOWPRIMITIVE2D)

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

/* vim: set noet sw=4 ts=4: */