xref: /trunk/main/svx/source/sdr/overlay/overlaybitmapex.cxx (revision f6e50924)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <svx/sdr/overlay/overlaybitmapex.hxx>
#include <vcl/salbtype.hxx>
#include <vcl/outdev.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <svx/sdr/overlay/overlaytools.hxx>

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

namespace sdr
{
	namespace overlay
	{
		drawinglayer::primitive2d::Primitive2DSequence OverlayBitmapEx::createOverlayObjectPrimitive2DSequence()
		{
            drawinglayer::primitive2d::Primitive2DReference aReference(
                new drawinglayer::primitive2d::OverlayBitmapExPrimitive(
                    getBitmapEx(),
                    getBasePosition(),
                    getCenterX(),
                    getCenterY()));

			if(basegfx::fTools::more(mfAlpha, 0.0))
			{
				const drawinglayer::primitive2d::Primitive2DSequence aNewTransPrimitiveVector(&aReference, 1L);
				aReference = drawinglayer::primitive2d::Primitive2DReference(
				                new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(aNewTransPrimitiveVector, mfAlpha));
			}

            return drawinglayer::primitive2d::Primitive2DSequence(&aReference, 1);
		}

		OverlayBitmapEx::OverlayBitmapEx(
			const basegfx::B2DPoint& rBasePos,
			const BitmapEx& rBitmapEx,
			sal_uInt16 nCenX, sal_uInt16 nCenY, double fAlpha)
		:	OverlayObjectWithBasePosition(rBasePos, Color(COL_WHITE)),
			maBitmapEx(rBitmapEx),
			mnCenterX(nCenX),
			mnCenterY(nCenY),
			mfAlpha(fAlpha)
		{
		}

		OverlayBitmapEx::~OverlayBitmapEx()
		{
		}

		void OverlayBitmapEx::setBitmapEx(const BitmapEx& rNew)
		{
			if(rNew != maBitmapEx)
			{
				// remember new Bitmap
				maBitmapEx = rNew;

				// register change (after change)
				objectChange();
			}
		}

		void OverlayBitmapEx::setCenterXY(sal_uInt16 nNewX, sal_uInt16 nNewY)
		{
			if(nNewX != mnCenterX || nNewY != mnCenterY)
			{
				// remember new values
				if(nNewX != mnCenterX)
				{
					mnCenterX = nNewX;
				}

				if(nNewY != mnCenterY)
				{
					mnCenterY = nNewY;
				}

				// register change (after change)
				objectChange();
			}
		}
	} // end of namespace overlay
} // end of namespace sdr

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