246 lines
12 KiB
C++
246 lines
12 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: texteffectprimitive2d.cxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: aw $ $Date: 2008-06-24 15:31:08 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_drawinglayer.hxx"
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#include <drawinglayer/primitive2d/texteffectprimitive2d.hxx>
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#include <drawinglayer/geometry/viewinformation2d.hxx>
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#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
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#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
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#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace primitive2d
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{
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static double fDiscreteSize(1.1);
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Primitive2DSequence TextEffectPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
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{
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Primitive2DSequence aRetval;
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// get the distance of one discrete units from target display. Use between 1.0 and sqrt(2) to
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// have good results on rotated objects, too
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const basegfx::B2DVector aDistance(rViewInformation.getInverseObjectToViewTransformation() *
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basegfx::B2DVector(fDiscreteSize, fDiscreteSize));
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const basegfx::B2DVector aDiagonalDistance(aDistance * (1.0 / 1.44));
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switch(getTextEffectStyle2D())
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{
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case TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED:
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case TEXTEFFECTSTYLE2D_RELIEF_ENGRAVED:
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case TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED_DEFAULT:
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case TEXTEFFECTSTYLE2D_RELIEF_ENGRAVED_DEFAULT:
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{
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// prepare transform of sub-group back to (0,0) and align to X-Axis
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basegfx::B2DHomMatrix aBackTransform;
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aBackTransform.translate(-getRotationCenter().getX(), -getRotationCenter().getY());
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aBackTransform.rotate(-getDirection());
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// prepare transform of sub-group back to it's position and rotation
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basegfx::B2DHomMatrix aForwardTransform;
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aForwardTransform.rotate(getDirection());
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aForwardTransform.translate(getRotationCenter().getX(), getRotationCenter().getY());
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// create transformation for one discrete unit
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const bool bEmbossed(
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TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED == getTextEffectStyle2D()
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|| TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED_DEFAULT == getTextEffectStyle2D());
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const bool bDefaultTextColor(
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TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED_DEFAULT == getTextEffectStyle2D()
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|| TEXTEFFECTSTYLE2D_RELIEF_ENGRAVED_DEFAULT == getTextEffectStyle2D());
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basegfx::B2DHomMatrix aTransform(aBackTransform);
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aRetval.realloc(2);
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if(bEmbossed)
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{
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// to bottom-right
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aTransform.translate(aDiagonalDistance.getX(), aDiagonalDistance.getY());
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}
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else
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{
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// to top-left
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aTransform.translate(-aDiagonalDistance.getX(), -aDiagonalDistance.getY());
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}
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aTransform *= aForwardTransform;
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if(bDefaultTextColor)
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{
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// emboss/engrave in black, original forced to white
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const basegfx::BColorModifier aBColorModifierToGray(basegfx::BColor(0.0));
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const Primitive2DReference xModifiedColor(new ModifiedColorPrimitive2D(getChildren(), aBColorModifierToGray));
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aRetval[0] = Primitive2DReference(new TransformPrimitive2D(aTransform, Primitive2DSequence(&xModifiedColor, 1)));
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// add original, too
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const basegfx::BColorModifier aBColorModifierToWhite(basegfx::BColor(1.0));
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aRetval[1] = Primitive2DReference(new ModifiedColorPrimitive2D(getChildren(), aBColorModifierToWhite));
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}
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else
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{
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// emboss/engrave in gray, keep original's color
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const basegfx::BColorModifier aBColorModifierToGray(basegfx::BColor(0.75)); // 192
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const Primitive2DReference xModifiedColor(new ModifiedColorPrimitive2D(getChildren(), aBColorModifierToGray));
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aRetval[0] = Primitive2DReference(new TransformPrimitive2D(aTransform, Primitive2DSequence(&xModifiedColor, 1)));
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// add original, too
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aRetval[1] = Primitive2DReference(new GroupPrimitive2D(getChildren()));
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}
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break;
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}
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case TEXTEFFECTSTYLE2D_OUTLINE:
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{
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// create transform primitives in all directions
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basegfx::B2DHomMatrix aTransform;
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aRetval.realloc(9);
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aTransform.set(0, 2, aDistance.getX());
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aTransform.set(1, 2, 0.0);
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aRetval[0] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, aDiagonalDistance.getX());
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aTransform.set(1, 2, aDiagonalDistance.getY());
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aRetval[1] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, 0.0);
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aTransform.set(1, 2, aDistance.getY());
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aRetval[2] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, -aDiagonalDistance.getX());
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aTransform.set(1, 2, aDiagonalDistance.getY());
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aRetval[3] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, -aDistance.getX());
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aTransform.set(1, 2, 0.0);
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aRetval[4] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, -aDiagonalDistance.getX());
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aTransform.set(1, 2, -aDiagonalDistance.getY());
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aRetval[5] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, 0.0);
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aTransform.set(1, 2, -aDistance.getY());
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aRetval[6] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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aTransform.set(0, 2, aDiagonalDistance.getX());
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aTransform.set(1, 2, -aDiagonalDistance.getY());
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aRetval[7] = Primitive2DReference(new TransformPrimitive2D(aTransform, getChildren()));
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// at last, place original over it, but force to white
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const basegfx::BColorModifier aBColorModifierToWhite(basegfx::BColor(1.0, 1.0, 1.0));
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aRetval[8] = Primitive2DReference(new ModifiedColorPrimitive2D(getChildren(), aBColorModifierToWhite));
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break;
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}
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}
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return aRetval;
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}
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TextEffectPrimitive2D::TextEffectPrimitive2D(
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const Primitive2DSequence& rChildren,
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const basegfx::B2DPoint& rRotationCenter,
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double fDirection,
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TextEffectStyle2D eTextEffectStyle2D)
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: GroupPrimitive2D(rChildren),
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maRotationCenter(rRotationCenter),
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mfDirection(fDirection),
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meTextEffectStyle2D(eTextEffectStyle2D)
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{
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}
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bool TextEffectPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
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{
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if(GroupPrimitive2D::operator==(rPrimitive))
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{
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const TextEffectPrimitive2D& rCompare = (TextEffectPrimitive2D&)rPrimitive;
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return (getRotationCenter() == rCompare.getRotationCenter()
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&& getDirection() == rCompare.getDirection()
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&& getTextEffectStyle2D() == rCompare.getTextEffectStyle2D());
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}
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return false;
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}
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basegfx::B2DRange TextEffectPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
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{
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// get range of content and grow by used fDiscreteSize. That way it is not necessary to ask
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// the whole decomposition for it's ranges (which may be expensive with outline mode which
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// then will ask 9 times at nearly the same content. This may even be refined here using the
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// TextEffectStyle information, e.g. for TEXTEFFECTSTYLE2D_RELIEF the grow needs only to
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// be in two directions
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basegfx::B2DRange aRetval(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation));
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aRetval.grow(fDiscreteSize);
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return aRetval;
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}
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Primitive2DSequence TextEffectPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if(getLocalDecomposition().hasElements())
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{
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if(maLastObjectToViewTransformation != rViewInformation.getObjectToViewTransformation())
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{
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// conditions of last local decomposition have changed, delete
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const_cast< TextEffectPrimitive2D* >(this)->setLocalDecomposition(Primitive2DSequence());
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}
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}
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if(!getLocalDecomposition().hasElements())
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{
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// remember ViewRange and ViewTransformation
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const_cast< TextEffectPrimitive2D* >(this)->maLastObjectToViewTransformation = rViewInformation.getObjectToViewTransformation();
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}
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// use parent implementation
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return BasePrimitive2D::get2DDecomposition(rViewInformation);
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}
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// provide unique ID
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ImplPrimitrive2DIDBlock(TextEffectPrimitive2D, PRIMITIVE2D_ID_TEXTEFFECTPRIMITIVE2D)
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} // end of namespace primitive2d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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