xref: /AOO41X/main/svx/source/sdr/overlay/overlaytools.cxx (revision 6de8cae65ecb10f3206aa5e2283af92ef8b79ebc)

/**************************************************************
 *
 * 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 <svx/sdr/overlay/overlaytools.hxx>
#include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>

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

namespace drawinglayer
{
	namespace primitive2d
	{
        OverlayBitmapExPrimitive::OverlayBitmapExPrimitive(
			const BitmapEx& rBitmapEx,
			const basegfx::B2DPoint& rBasePosition,
			sal_uInt16 nCenterX,
			sal_uInt16 nCenterY)
		:   DiscreteMetricDependentPrimitive2D(),
			maBitmapEx(rBitmapEx),
			maBasePosition(rBasePosition),
			mnCenterX(nCenterX),
			mnCenterY(nCenterY)
		{}

		Primitive2DSequence OverlayBitmapExPrimitive::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
		{
            Primitive2DSequence aRetval;
			const Size aBitmapSize(getBitmapEx().GetSizePixel());

            if(aBitmapSize.Width() && aBitmapSize.Height() && basegfx::fTools::more(getDiscreteUnit(), 0.0))
			{
                // calculate back from internal bitmap's extreme coordinates (the edges)
                // to logical coordinates. Only use a unified scaling value (getDiscreteUnit(),
                // the prepared one which expresses how many logic units form a discrete unit)
                // for this step. This primitive is to be displayed always unscaled (in it's pixel size)
                // and unrotated, more like a marker
                const double fLeft(((0.0 - getCenterX()) * getDiscreteUnit()) + getBasePosition().getX());
                const double fTop(((0.0 - getCenterY()) * getDiscreteUnit()) + getBasePosition().getY());
                const double fRight(((aBitmapSize.getWidth() - getCenterX()) * getDiscreteUnit()) + getBasePosition().getX());
                const double fBottom(((aBitmapSize.getHeight() - getCenterY()) * getDiscreteUnit()) + getBasePosition().getY());

                // create a BitmapPrimitive2D using those positions
				basegfx::B2DHomMatrix aTransform;

				aTransform.set(0, 0, fRight - fLeft);
				aTransform.set(1, 1, fBottom - fTop);
				aTransform.set(0, 2, fLeft);
				aTransform.set(1, 2, fTop);

                const Primitive2DReference aPrimitive(new BitmapPrimitive2D(getBitmapEx(), aTransform));
                aRetval = Primitive2DSequence(&aPrimitive, 1);
            }

            return aRetval;
		}

		bool OverlayBitmapExPrimitive::operator==( const BasePrimitive2D& rPrimitive ) const
		{
			if(DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
			{
				const OverlayBitmapExPrimitive& rCompare = static_cast< const OverlayBitmapExPrimitive& >(rPrimitive);

				return (getBitmapEx() == rCompare.getBitmapEx()
					&& getBasePosition() == rCompare.getBasePosition()
					&& getCenterX() == rCompare.getCenterX()
					&& getCenterY() == rCompare.getCenterY());
			}

			return false;
		}

		ImplPrimitrive2DIDBlock(OverlayBitmapExPrimitive, PRIMITIVE2D_ID_OVERLAYBITMAPEXPRIMITIVE)

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

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

namespace drawinglayer
{
	namespace primitive2d
	{
        OverlayCrosshairPrimitive::OverlayCrosshairPrimitive(
            const basegfx::B2DPoint& rBasePosition,
			const basegfx::BColor& rRGBColorA,
			const basegfx::BColor& rRGBColorB,
			double fDiscreteDashLength)
        :   ViewportDependentPrimitive2D(),
			maBasePosition(rBasePosition),
			maRGBColorA(rRGBColorA),
			maRGBColorB(rRGBColorB),
			mfDiscreteDashLength(fDiscreteDashLength)
        {}

		Primitive2DSequence OverlayCrosshairPrimitive::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
		{
            // use the prepared Viewport information accessible using getViewport()
            Primitive2DSequence aRetval;

            if(!getViewport().isEmpty())
            {
                aRetval.realloc(2);
                basegfx::B2DPolygon aPolygon;

                aPolygon.append(basegfx::B2DPoint(getViewport().getMinX(), getBasePosition().getY()));
                aPolygon.append(basegfx::B2DPoint(getViewport().getMaxX(), getBasePosition().getY()));

                aRetval[0] = Primitive2DReference(
                    new PolygonMarkerPrimitive2D(
                        aPolygon,
                        getRGBColorA(),
                        getRGBColorB(),
                        getDiscreteDashLength()));

                aPolygon.clear();
                aPolygon.append(basegfx::B2DPoint(getBasePosition().getX(), getViewport().getMinY()));
                aPolygon.append(basegfx::B2DPoint(getBasePosition().getX(), getViewport().getMaxY()));

                aRetval[1] = Primitive2DReference(
                    new PolygonMarkerPrimitive2D(
                        aPolygon,
                        getRGBColorA(),
                        getRGBColorB(),
                        getDiscreteDashLength()));
            }

            return aRetval;
		}

		bool OverlayCrosshairPrimitive::operator==( const BasePrimitive2D& rPrimitive ) const
		{
			if(ViewportDependentPrimitive2D::operator==(rPrimitive))
			{
				const OverlayCrosshairPrimitive& rCompare = static_cast< const OverlayCrosshairPrimitive& >(rPrimitive);

				return (getBasePosition() == rCompare.getBasePosition()
					&& getRGBColorA() == rCompare.getRGBColorA()
					&& getRGBColorB() == rCompare.getRGBColorB()
                    && getDiscreteDashLength() == rCompare.getDiscreteDashLength());
			}

			return false;
		}

		ImplPrimitrive2DIDBlock(OverlayCrosshairPrimitive, PRIMITIVE2D_ID_OVERLAYCROSSHAIRPRIMITIVE)

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

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

namespace drawinglayer
{
	namespace primitive2d
	{
        OverlayHatchRectanglePrimitive::OverlayHatchRectanglePrimitive(
            const basegfx::B2DRange& rObjectRange,
			double fDiscreteHatchDistance,
			double fHatchRotation,
			const basegfx::BColor& rHatchColor,
            double fDiscreteGrow,
            double fDiscreteShrink,
            double fRotation)
        :   DiscreteMetricDependentPrimitive2D(),
            maObjectRange(rObjectRange),
			mfDiscreteHatchDistance(fDiscreteHatchDistance),
			mfHatchRotation(fHatchRotation),
			maHatchColor(rHatchColor),
            mfDiscreteGrow(fDiscreteGrow),
            mfDiscreteShrink(fDiscreteShrink),
            mfRotation(fRotation)
        {}

		Primitive2DSequence OverlayHatchRectanglePrimitive::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
		{
            Primitive2DSequence aRetval;

            if(basegfx::fTools::more(getDiscreteUnit(), 0.0))
            {
			    basegfx::B2DRange aInnerRange(getObjectRange());
			    basegfx::B2DRange aOuterRange(getObjectRange());
			    basegfx::B2DPolyPolygon aHatchPolyPolygon;

			    aOuterRange.grow(getDiscreteUnit() * getDiscreteGrow());
			    aInnerRange.grow(getDiscreteUnit() * -getDiscreteShrink());

			    aHatchPolyPolygon.append(basegfx::tools::createPolygonFromRect(aOuterRange));

				if(!aInnerRange.isEmpty())
				{
				    aHatchPolyPolygon.append(basegfx::tools::createPolygonFromRect(aInnerRange));
				}

			    if(!basegfx::fTools::equalZero(getRotation()))
			    {
                    const basegfx::B2DHomMatrix aTransform(basegfx::tools::createRotateAroundPoint(
                        getObjectRange().getMinX(), getObjectRange().getMinY(), getRotation()));

                    aHatchPolyPolygon.transform(aTransform);
			    }

                const basegfx::BColor aEmptyColor(0.0, 0.0, 0.0);
				const drawinglayer::attribute::FillHatchAttribute aFillHatchAttribute(
					drawinglayer::attribute::HATCHSTYLE_SINGLE,
					getDiscreteHatchDistance() * getDiscreteUnit(),
					getHatchRotation() - getRotation(),
					getHatchColor(),
                    3, // same default as VCL, a minimum of three discrete units (pixels) offset
					false);
                const Primitive2DReference aPrimitive(
                    new PolyPolygonHatchPrimitive2D(
                        aHatchPolyPolygon,
                        aEmptyColor,
                        aFillHatchAttribute));

                aRetval = Primitive2DSequence(&aPrimitive, 1);
            }

            return aRetval;
		}

		bool OverlayHatchRectanglePrimitive::operator==( const BasePrimitive2D& rPrimitive ) const
		{
			if(DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
			{
				const OverlayHatchRectanglePrimitive& rCompare = static_cast< const OverlayHatchRectanglePrimitive& >(rPrimitive);

				return (getObjectRange() == rCompare.getObjectRange()
					&& getDiscreteHatchDistance() == rCompare.getDiscreteHatchDistance()
					&& getHatchRotation() == rCompare.getHatchRotation()
					&& getHatchColor() == rCompare.getHatchColor()
					&& getDiscreteGrow() == rCompare.getDiscreteGrow()
					&& getDiscreteShrink() == rCompare.getDiscreteShrink()
					&& getRotation() == rCompare.getRotation());
			}

			return false;
		}

		ImplPrimitrive2DIDBlock(OverlayHatchRectanglePrimitive, PRIMITIVE2D_ID_OVERLAYHATCHRECTANGLEPRIMITIVE)

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

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

namespace drawinglayer
{
	namespace primitive2d
	{
        OverlayHelplineStripedPrimitive::OverlayHelplineStripedPrimitive(
            const basegfx::B2DPoint& rBasePosition,
            HelplineStyle eStyle,
			const basegfx::BColor& rRGBColorA,
			const basegfx::BColor& rRGBColorB,
			double fDiscreteDashLength)
        :   ViewportDependentPrimitive2D(),
			maBasePosition(rBasePosition),
            meStyle(eStyle),
			maRGBColorA(rRGBColorA),
			maRGBColorB(rRGBColorB),
			mfDiscreteDashLength(fDiscreteDashLength)
        {}

		Primitive2DSequence OverlayHelplineStripedPrimitive::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
		{
            // use the prepared Viewport information accessible using getViewport()
            Primitive2DSequence aRetval;

            if(!getViewport().isEmpty())
            {
			    switch(getStyle())
			    {
				    case HELPLINESTYLE_VERTICAL :
				    {
                        aRetval.realloc(1);
                        basegfx::B2DPolygon aLine;

                        aLine.append(basegfx::B2DPoint(getBasePosition().getX(), getViewport().getMinY()));
					    aLine.append(basegfx::B2DPoint(getBasePosition().getX(), getViewport().getMaxY()));

                        aRetval[0] = Primitive2DReference(
                            new PolygonMarkerPrimitive2D(
                                aLine,
                                getRGBColorA(),
                                getRGBColorB(),
                                getDiscreteDashLength()));
					    break;
				    }

				    case HELPLINESTYLE_HORIZONTAL :
				    {
                        aRetval.realloc(1);
                        basegfx::B2DPolygon aLine;

                        aLine.append(basegfx::B2DPoint(getViewport().getMinX(), getBasePosition().getY()));
					    aLine.append(basegfx::B2DPoint(getViewport().getMaxX(), getBasePosition().getY()));

                        aRetval[0] = Primitive2DReference(
                            new PolygonMarkerPrimitive2D(
                                aLine,
                                getRGBColorA(),
                                getRGBColorB(),
                                getDiscreteDashLength()));
					    break;
				    }

                    default: // case HELPLINESTYLE_POINT :
				    {
            			const double fDiscreteUnit((rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0)).getLength());
                        aRetval.realloc(2);
                        basegfx::B2DPolygon aLineA, aLineB;

					    aLineA.append(basegfx::B2DPoint(getBasePosition().getX(), getBasePosition().getY() - fDiscreteUnit));
					    aLineA.append(basegfx::B2DPoint(getBasePosition().getX(), getBasePosition().getY() + fDiscreteUnit));

                        aRetval[0] = Primitive2DReference(
                            new PolygonMarkerPrimitive2D(
                                aLineA,
                                getRGBColorA(),
                                getRGBColorB(),
                                getDiscreteDashLength()));

					    aLineB.append(basegfx::B2DPoint(getBasePosition().getX() - fDiscreteUnit, getBasePosition().getY()));
					    aLineB.append(basegfx::B2DPoint(getBasePosition().getX() + fDiscreteUnit, getBasePosition().getY()));

                        aRetval[1] = Primitive2DReference(
                            new PolygonMarkerPrimitive2D(
                                aLineB,
                                getRGBColorA(),
                                getRGBColorB(),
                                getDiscreteDashLength()));

					    break;
				    }
			    }
            }

            return aRetval;
		}

		bool OverlayHelplineStripedPrimitive::operator==( const BasePrimitive2D& rPrimitive ) const
		{
			if(ViewportDependentPrimitive2D::operator==(rPrimitive))
			{
				const OverlayHelplineStripedPrimitive& rCompare = static_cast< const OverlayHelplineStripedPrimitive& >(rPrimitive);

				return (getBasePosition() == rCompare.getBasePosition()
                    && getStyle() == rCompare.getStyle()
					&& getRGBColorA() == rCompare.getRGBColorA()
					&& getRGBColorB() == rCompare.getRGBColorB()
                    && getDiscreteDashLength() == rCompare.getDiscreteDashLength());
			}

			return false;
		}

		ImplPrimitrive2DIDBlock(OverlayHelplineStripedPrimitive, PRIMITIVE2D_ID_OVERLAYHELPLINESTRIPEDPRIMITIVE)

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

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

namespace drawinglayer
{
	namespace primitive2d
	{
        OverlayRollingRectanglePrimitive::OverlayRollingRectanglePrimitive(
            const basegfx::B2DRange& aRollingRectangle,
			const basegfx::BColor& rRGBColorA,
			const basegfx::BColor& rRGBColorB,
			double fDiscreteDashLength)
        :   ViewportDependentPrimitive2D(),
			maRollingRectangle(aRollingRectangle),
			maRGBColorA(rRGBColorA),
			maRGBColorB(rRGBColorB),
			mfDiscreteDashLength(fDiscreteDashLength)
        {}

		Primitive2DSequence OverlayRollingRectanglePrimitive::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
		{
            // use the prepared Viewport information accessible using getViewport()
            Primitive2DSequence aRetval;

            if(!getViewport().isEmpty())
            {
                basegfx::B2DPolygon aLine;
                aRetval.realloc(8);

				// Left lines
                aLine.append(basegfx::B2DPoint(getViewport().getMinX(), getRollingRectangle().getMinY()));
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMinX(), getRollingRectangle().getMinY()));
                aRetval[0] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

                aLine.clear();
                aLine.append(basegfx::B2DPoint(getViewport().getMinX(), getRollingRectangle().getMaxY()));
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMinX(), getRollingRectangle().getMaxY()));
                aRetval[1] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

				// Right lines
                aLine.clear();
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMaxX(), getRollingRectangle().getMinY()));
                aLine.append(basegfx::B2DPoint(getViewport().getMaxX(), getRollingRectangle().getMinY()));
                aRetval[2] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

                aLine.clear();
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMaxX(), getRollingRectangle().getMaxY()));
                aLine.append(basegfx::B2DPoint(getViewport().getMaxX(), getRollingRectangle().getMaxY()));
                aRetval[3] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

				// Top lines
                aLine.clear();
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMinX(), getViewport().getMinY()));
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMinX(), getRollingRectangle().getMinY()));
                aRetval[4] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

                aLine.clear();
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMaxX(), getViewport().getMinY()));
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMaxX(), getRollingRectangle().getMinY()));
                aRetval[5] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

				// Bottom lines
                aLine.clear();
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMinX(), getRollingRectangle().getMaxY()));
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMinX(), getViewport().getMaxY()));
                aRetval[6] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));

                aLine.clear();
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMaxX(), getRollingRectangle().getMaxY()));
                aLine.append(basegfx::B2DPoint(getRollingRectangle().getMaxX(), getViewport().getMaxY()));
                aRetval[7] = Primitive2DReference(new PolygonMarkerPrimitive2D(aLine, getRGBColorA(), getRGBColorB(), getDiscreteDashLength()));
            }

            return aRetval;
		}

		bool OverlayRollingRectanglePrimitive::operator==( const BasePrimitive2D& rPrimitive ) const
		{
			if(ViewportDependentPrimitive2D::operator==(rPrimitive))
			{
				const OverlayRollingRectanglePrimitive& rCompare = static_cast< const OverlayRollingRectanglePrimitive& >(rPrimitive);

				return (getRollingRectangle() == rCompare.getRollingRectangle()
					&& getRGBColorA() == rCompare.getRGBColorA()
					&& getRGBColorB() == rCompare.getRGBColorB()
                    && getDiscreteDashLength() == rCompare.getDiscreteDashLength());
			}

			return false;
		}

		ImplPrimitrive2DIDBlock(OverlayRollingRectanglePrimitive, PRIMITIVE2D_ID_OVERLAYROLLINGRECTANGLEPRIMITIVE)

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

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