summaryrefslogtreecommitdiffstats
path: root/basegfx/source/tools/canvastools.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--basegfx/source/tools/canvastools.cxx474
1 files changed, 474 insertions, 0 deletions
diff --git a/basegfx/source/tools/canvastools.cxx b/basegfx/source/tools/canvastools.cxx
new file mode 100644
index 000000000..11ebe70de
--- /dev/null
+++ b/basegfx/source/tools/canvastools.cxx
@@ -0,0 +1,474 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * 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 .
+ */
+
+#include <com/sun/star/geometry/RealSize2D.hpp>
+#include <com/sun/star/geometry/RealPoint2D.hpp>
+#include <com/sun/star/geometry/RealRectangle2D.hpp>
+#include <com/sun/star/geometry/RealRectangle3D.hpp>
+#include <com/sun/star/geometry/RealBezierSegment2D.hpp>
+#include <com/sun/star/geometry/AffineMatrix2D.hpp>
+#include <com/sun/star/geometry/AffineMatrix3D.hpp>
+#include <com/sun/star/geometry/IntegerSize2D.hpp>
+#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <basegfx/utils/unopolypolygon.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/range/b3drange.hxx>
+#include <basegfx/range/b2irange.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/utils/canvastools.hxx>
+
+using namespace ::com::sun::star;
+
+namespace basegfx::unotools
+{
+ namespace
+ {
+ uno::Sequence< geometry::RealBezierSegment2D > bezierSequenceFromB2DPolygon(const ::basegfx::B2DPolygon& rPoly)
+ {
+ const sal_uInt32 nPointCount(rPoly.count());
+ uno::Sequence< geometry::RealBezierSegment2D > outputSequence(nPointCount);
+ geometry::RealBezierSegment2D* pOutput = outputSequence.getArray();
+
+ // fill sequences and imply closed polygon on this implementation layer
+ for(sal_uInt32 a(0); a < nPointCount; a++)
+ {
+ const basegfx::B2DPoint aStart(rPoly.getB2DPoint(a));
+ const basegfx::B2DPoint aControlA(rPoly.getNextControlPoint(a));
+ const basegfx::B2DPoint aControlB(rPoly.getPrevControlPoint((a + 1) % nPointCount));
+
+ pOutput[a] = geometry::RealBezierSegment2D(
+ aStart.getX(), aStart.getY(),
+ aControlA.getX(), aControlA.getY(),
+ aControlB.getX(), aControlB.getY());
+ }
+
+ return outputSequence;
+ }
+
+ uno::Sequence< geometry::RealPoint2D > pointSequenceFromB2DPolygon( const ::basegfx::B2DPolygon& rPoly )
+ {
+ const sal_uInt32 nNumPoints( rPoly.count() );
+
+ uno::Sequence< geometry::RealPoint2D > outputSequence( nNumPoints );
+ geometry::RealPoint2D* pOutput = outputSequence.getArray();
+
+ // fill sequence from polygon
+ sal_uInt32 i;
+ for( i=0; i<nNumPoints; ++i )
+ {
+ const ::basegfx::B2DPoint aPoint( rPoly.getB2DPoint(i) );
+
+ pOutput[i] = geometry::RealPoint2D( aPoint.getX(),
+ aPoint.getY() );
+ }
+
+ return outputSequence;
+ }
+ }
+
+ uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > bezierSequenceSequenceFromB2DPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly )
+ {
+ const sal_uInt32 nNumPolies( rPolyPoly.count() );
+ sal_uInt32 i;
+
+ uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > outputSequence( nNumPolies );
+ uno::Sequence< geometry::RealBezierSegment2D >* pOutput = outputSequence.getArray();
+
+ for( i=0; i<nNumPolies; ++i )
+ {
+ pOutput[i] = bezierSequenceFromB2DPolygon( rPolyPoly.getB2DPolygon(i) );
+ }
+
+ return outputSequence;
+ }
+
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > pointSequenceSequenceFromB2DPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly )
+ {
+ const sal_uInt32 nNumPolies( rPolyPoly.count() );
+ sal_uInt32 i;
+
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > outputSequence( nNumPolies );
+ uno::Sequence< geometry::RealPoint2D >* pOutput = outputSequence.getArray();
+
+ for( i=0; i<nNumPolies; ++i )
+ {
+ pOutput[i] = pointSequenceFromB2DPolygon( rPolyPoly.getB2DPolygon(i) );
+ }
+
+ return outputSequence;
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > xPolyPolygonFromB2DPolygon( const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
+ const ::basegfx::B2DPolygon& rPoly )
+ {
+ uno::Reference< rendering::XPolyPolygon2D > xRes;
+
+ if( !xGraphicDevice.is() )
+ return xRes;
+
+ if( rPoly.areControlPointsUsed() )
+ {
+ uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > outputSequence{ bezierSequenceFromB2DPolygon( rPoly )};
+
+ xRes = xGraphicDevice->createCompatibleBezierPolyPolygon( outputSequence );
+ }
+ else
+ {
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > outputSequence{
+ pointSequenceFromB2DPolygon( rPoly )};
+
+ xRes = xGraphicDevice->createCompatibleLinePolyPolygon( outputSequence );
+ }
+
+ if( xRes.is() && rPoly.isClosed() )
+ xRes->setClosed( 0, true );
+
+ return xRes;
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > xPolyPolygonFromB2DPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice,
+ const ::basegfx::B2DPolyPolygon& rPolyPoly )
+ {
+ uno::Reference< rendering::XPolyPolygon2D > xRes;
+
+ if( !xGraphicDevice.is() )
+ return xRes;
+
+ const sal_uInt32 nNumPolies( rPolyPoly.count() );
+ sal_uInt32 i;
+
+ if( rPolyPoly.areControlPointsUsed() )
+ {
+ xRes = xGraphicDevice->createCompatibleBezierPolyPolygon(
+ bezierSequenceSequenceFromB2DPolyPolygon( rPolyPoly ) );
+ }
+ else
+ {
+ xRes = xGraphicDevice->createCompatibleLinePolyPolygon(
+ pointSequenceSequenceFromB2DPolyPolygon( rPolyPoly ) );
+ }
+
+ for( i=0; i<nNumPolies; ++i )
+ {
+ xRes->setClosed( i, rPolyPoly.getB2DPolygon(i).isClosed() );
+ }
+
+ return xRes;
+ }
+
+ ::basegfx::B2DPolygon polygonFromPoint2DSequence( const uno::Sequence< geometry::RealPoint2D >& points )
+ {
+ const sal_Int32 nCurrSize( points.getLength() );
+
+ ::basegfx::B2DPolygon aPoly;
+
+ for( sal_Int32 nCurrPoint=0; nCurrPoint<nCurrSize; ++nCurrPoint )
+ aPoly.append( b2DPointFromRealPoint2D( points[nCurrPoint] ) );
+
+ return aPoly;
+ }
+
+ ::basegfx::B2DPolyPolygon polyPolygonFromPoint2DSequenceSequence( const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points )
+ {
+ ::basegfx::B2DPolyPolygon aRes;
+
+ for( const auto & p : points )
+ {
+ aRes.append( polygonFromPoint2DSequence( p ) );
+ }
+
+ return aRes;
+ }
+
+ ::basegfx::B2DPolygon polygonFromBezier2DSequence( const uno::Sequence< geometry::RealBezierSegment2D >& curves )
+ {
+ const sal_Int32 nSize(curves.getLength());
+ basegfx::B2DPolygon aRetval;
+
+ if(nSize)
+ {
+ // prepare start with providing a start point. Use the first point from
+ // the sequence for this
+ const geometry::RealBezierSegment2D& rFirstSegment(curves[0]); // #i79917# first segment, not last
+ aRetval.append(basegfx::B2DPoint(rFirstSegment.Px, rFirstSegment.Py));
+
+ for(sal_Int32 a(0); a < nSize; a++)
+ {
+ const geometry::RealBezierSegment2D& rCurrSegment(curves[a]);
+ const geometry::RealBezierSegment2D& rNextSegment(curves[(a + 1) % nSize]);
+
+ // append curved edge with the control points and the next point
+ aRetval.appendBezierSegment(
+ basegfx::B2DPoint(rCurrSegment.C1x, rCurrSegment.C1y),
+ basegfx::B2DPoint(rCurrSegment.C2x, rCurrSegment.C2y), // #i79917# Argh! An x for an y!!
+ basegfx::B2DPoint(rNextSegment.Px, rNextSegment.Py));
+ }
+
+ // rescue the control point and remove the now double-added point
+ aRetval.setPrevControlPoint(0, aRetval.getPrevControlPoint(aRetval.count() - 1));
+ aRetval.remove(aRetval.count() - 1);
+ }
+
+ return aRetval;
+ }
+
+ ::basegfx::B2DPolyPolygon polyPolygonFromBezier2DSequenceSequence( const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& curves )
+ {
+ ::basegfx::B2DPolyPolygon aRes;
+
+ for( const auto & c : curves )
+ {
+ aRes.append( polygonFromBezier2DSequence( c ) );
+ }
+
+ return aRes;
+ }
+
+ ::basegfx::B2DPolyPolygon b2DPolyPolygonFromXPolyPolygon2D( const uno::Reference< rendering::XPolyPolygon2D >& xPoly )
+ {
+ ::basegfx::unotools::UnoPolyPolygon* pPolyImpl =
+ dynamic_cast< ::basegfx::unotools::UnoPolyPolygon* >( xPoly.get() );
+
+ if( pPolyImpl )
+ {
+ return pPolyImpl->getPolyPolygon();
+ }
+ else
+ {
+ // not a known implementation object - try data source
+ // interfaces
+ const sal_Int32 nPolys( xPoly->getNumberOfPolygons() );
+
+ uno::Reference< rendering::XBezierPolyPolygon2D > xBezierPoly(
+ xPoly,
+ uno::UNO_QUERY );
+
+ if( xBezierPoly.is() )
+ {
+ return ::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence(
+ xBezierPoly->getBezierSegments( 0,
+ nPolys,
+ 0,
+ -1 ) );
+ }
+ else
+ {
+ uno::Reference< rendering::XLinePolyPolygon2D > xLinePoly(
+ xPoly,
+ uno::UNO_QUERY );
+
+ // no implementation class and no data provider
+ // found - contract violation.
+ if( !xLinePoly.is() )
+ {
+ throw lang::IllegalArgumentException(
+ "basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(): Invalid input"
+ "poly-polygon, cannot retrieve vertex data",
+ uno::Reference< uno::XInterface >(),
+ 0 );
+ }
+
+ return ::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence(
+ xLinePoly->getPoints( 0,
+ nPolys,
+ 0,
+ -1 ));
+ }
+ }
+ }
+
+ ::basegfx::B2DHomMatrix& homMatrixFromAffineMatrix( ::basegfx::B2DHomMatrix& output,
+ const geometry::AffineMatrix2D& input )
+ {
+ // ensure last row is [0,0,1] (and optimized away)
+ output.identity();
+
+ output.set(0,0, input.m00);
+ output.set(0,1, input.m01);
+ output.set(0,2, input.m02);
+ output.set(1,0, input.m10);
+ output.set(1,1, input.m11);
+ output.set(1,2, input.m12);
+
+ return output;
+ }
+
+ ::basegfx::B3DHomMatrix homMatrixFromAffineMatrix3D( const ::css::geometry::AffineMatrix3D& input )
+ {
+ ::basegfx::B3DHomMatrix output;
+
+ output.set(0,0, input.m00);
+ output.set(0,1, input.m01);
+ output.set(0,2, input.m02);
+ output.set(0,3, input.m03);
+
+ output.set(1,0, input.m10);
+ output.set(1,1, input.m11);
+ output.set(1,2, input.m12);
+ output.set(1,3, input.m13);
+
+ output.set(2,0, input.m20);
+ output.set(2,1, input.m21);
+ output.set(2,2, input.m22);
+ output.set(2,3, input.m23);
+
+ return output;
+ }
+
+ geometry::AffineMatrix2D& affineMatrixFromHomMatrix( geometry::AffineMatrix2D& output,
+ const ::basegfx::B2DHomMatrix& input)
+ {
+ output.m00 = input.get(0,0);
+ output.m01 = input.get(0,1);
+ output.m02 = input.get(0,2);
+ output.m10 = input.get(1,0);
+ output.m11 = input.get(1,1);
+ output.m12 = input.get(1,2);
+
+ return output;
+ }
+
+ geometry::AffineMatrix3D& affineMatrixFromHomMatrix3D(
+ geometry::AffineMatrix3D& output,
+ const ::basegfx::B3DHomMatrix& input)
+ {
+ output.m00 = input.get(0,0);
+ output.m01 = input.get(0,1);
+ output.m02 = input.get(0,2);
+ output.m03 = input.get(0,3);
+
+ output.m10 = input.get(1,0);
+ output.m11 = input.get(1,1);
+ output.m12 = input.get(1,2);
+ output.m13 = input.get(1,3);
+
+ output.m20 = input.get(2,0);
+ output.m21 = input.get(2,1);
+ output.m22 = input.get(2,2);
+ output.m23 = input.get(2,3);
+
+ return output;
+ }
+
+ geometry::RealSize2D size2DFromB2DSize( const ::basegfx::B2DVector& rVec )
+ {
+ return geometry::RealSize2D( rVec.getX(),
+ rVec.getY() );
+ }
+
+ geometry::RealPoint2D point2DFromB2DPoint( const ::basegfx::B2DPoint& rPoint )
+ {
+ return geometry::RealPoint2D( rPoint.getX(),
+ rPoint.getY() );
+ }
+
+ geometry::RealRectangle2D rectangle2DFromB2DRectangle( const ::basegfx::B2DRange& rRect )
+ {
+ return geometry::RealRectangle2D( rRect.getMinX(),
+ rRect.getMinY(),
+ rRect.getMaxX(),
+ rRect.getMaxY() );
+ }
+
+ geometry::RealRectangle3D rectangle3DFromB3DRectangle( const ::basegfx::B3DRange& rRect )
+ {
+ return geometry::RealRectangle3D( rRect.getMinX(),
+ rRect.getMinY(),
+ rRect.getMinZ(),
+ rRect.getMaxX(),
+ rRect.getMaxY(),
+ rRect.getMaxZ());
+ }
+
+ ::basegfx::B2DPoint b2DPointFromRealPoint2D( const geometry::RealPoint2D& rPoint )
+ {
+ return ::basegfx::B2DPoint( rPoint.X,
+ rPoint.Y );
+ }
+
+ ::basegfx::B2DRange b2DRectangleFromRealRectangle2D( const geometry::RealRectangle2D& rRect )
+ {
+ return ::basegfx::B2DRange( rRect.X1,
+ rRect.Y1,
+ rRect.X2,
+ rRect.Y2 );
+ }
+
+ ::basegfx::B3DRange b3DRectangleFromRealRectangle3D( const geometry::RealRectangle3D& rRect )
+ {
+ return ::basegfx::B3DRange( rRect.X1,
+ rRect.Y1,
+ rRect.Z1,
+ rRect.X2,
+ rRect.Y2,
+ rRect.Z2);
+ }
+
+ geometry::IntegerSize2D integerSize2DFromB2ISize( const ::basegfx::B2IVector& rSize )
+ {
+ return geometry::IntegerSize2D( rSize.getX(),
+ rSize.getY() );
+ }
+
+ ::basegfx::B2IVector b2ISizeFromIntegerSize2D( const geometry::IntegerSize2D& rSize )
+ {
+ return ::basegfx::B2IVector( rSize.Width,
+ rSize.Height );
+ }
+
+ ::basegfx::B2IRange b2IRectangleFromIntegerRectangle2D( const geometry::IntegerRectangle2D& rRectangle )
+ {
+ return ::basegfx::B2IRange( rRectangle.X1, rRectangle.Y1,
+ rRectangle.X2, rRectangle.Y2 );
+ }
+
+ ::basegfx::B2IRange b2IRectangleFromAwtRectangle( const awt::Rectangle& rRect )
+ {
+ return ::basegfx::B2IRange( rRect.X,
+ rRect.Y,
+ rRect.X + rRect.Width,
+ rRect.Y + rRect.Height );
+ }
+
+ ::basegfx::B2IRange b2ISurroundingRangeFromB2DRange( const ::basegfx::B2DRange& rRange )
+ {
+ return ::basegfx::B2IRange( static_cast<sal_Int32>( floor(rRange.getMinX()) ),
+ static_cast<sal_Int32>( floor(rRange.getMinY()) ),
+ static_cast<sal_Int32>( ceil(rRange.getMaxX()) ),
+ static_cast<sal_Int32>( ceil(rRange.getMaxY()) ) );
+ }
+
+ ::basegfx::B2DRange b2DSurroundingIntegerRangeFromB2DRange( const ::basegfx::B2DRange& rRange )
+ {
+ return ::basegfx::B2DRange( floor(rRange.getMinX()),
+ floor(rRange.getMinY()),
+ ceil(rRange.getMaxX()),
+ ceil(rRange.getMaxY()) );
+ }
+
+} // namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */