/* -*- 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 #include #include #include #include #include namespace drawinglayer { namespace primitive2d { static const double fDiscreteSize(1.1); void TextEffectPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const { // get the distance of one discrete units from target display. Use between 1.0 and sqrt(2) to // have good results on rotated objects, too const basegfx::B2DVector aDistance(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(fDiscreteSize, fDiscreteSize)); const basegfx::B2DVector aDiagonalDistance(aDistance * (1.0 / 1.44)); switch(getTextEffectStyle2D()) { case TextEffectStyle2D::ReliefEmbossed: case TextEffectStyle2D::ReliefEngraved: case TextEffectStyle2D::ReliefEmbossedDefault: case TextEffectStyle2D::ReliefEngravedDefault: { // prepare transform of sub-group back to (0,0) and align to X-Axis basegfx::B2DHomMatrix aBackTransform(basegfx::utils::createTranslateB2DHomMatrix( -getRotationCenter().getX(), -getRotationCenter().getY())); aBackTransform.rotate(-getDirection()); // prepare transform of sub-group back to its position and rotation basegfx::B2DHomMatrix aForwardTransform(basegfx::utils::createRotateB2DHomMatrix(getDirection())); aForwardTransform.translate(getRotationCenter().getX(), getRotationCenter().getY()); // create transformation for one discrete unit const bool bEmbossed( TextEffectStyle2D::ReliefEmbossed == getTextEffectStyle2D() || TextEffectStyle2D::ReliefEmbossedDefault == getTextEffectStyle2D()); const bool bDefaultTextColor( TextEffectStyle2D::ReliefEmbossedDefault == getTextEffectStyle2D() || TextEffectStyle2D::ReliefEngravedDefault == getTextEffectStyle2D()); basegfx::B2DHomMatrix aTransform(aBackTransform); if(bEmbossed) { // to bottom-right aTransform.translate(aDiagonalDistance.getX(), aDiagonalDistance.getY()); } else { // to top-left aTransform.translate(-aDiagonalDistance.getX(), -aDiagonalDistance.getY()); } aTransform *= aForwardTransform; if(bDefaultTextColor) { // emboss/engrave in black, original forced to white const basegfx::BColorModifierSharedPtr aBColorModifierToGray( new basegfx::BColorModifier_replace( basegfx::BColor(0.0))); const Primitive2DReference xModifiedColor( new ModifiedColorPrimitive2D( getTextContent(), aBColorModifierToGray)); rContainer.push_back( new TransformPrimitive2D( aTransform, Primitive2DContainer { xModifiedColor })); // add original, too const basegfx::BColorModifierSharedPtr aBColorModifierToWhite( new basegfx::BColorModifier_replace( basegfx::BColor(1.0))); rContainer.push_back( new ModifiedColorPrimitive2D( getTextContent(), aBColorModifierToWhite)); } else { // emboss/engrave in gray, keep original's color const basegfx::BColorModifierSharedPtr aBColorModifierToGray( new basegfx::BColorModifier_replace( basegfx::BColor(0.75))); // 192 const Primitive2DReference xModifiedColor( new ModifiedColorPrimitive2D( getTextContent(), aBColorModifierToGray)); rContainer.push_back( new TransformPrimitive2D( aTransform, Primitive2DContainer { xModifiedColor })); // add original, too rContainer.push_back(new GroupPrimitive2D(getTextContent())); } break; } case TextEffectStyle2D::Outline: { // create transform primitives in all directions basegfx::B2DHomMatrix aTransform; aTransform.set(0, 2, aDistance.getX()); aTransform.set(1, 2, 0.0); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, aDiagonalDistance.getX()); aTransform.set(1, 2, aDiagonalDistance.getY()); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, 0.0); aTransform.set(1, 2, aDistance.getY()); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, -aDiagonalDistance.getX()); aTransform.set(1, 2, aDiagonalDistance.getY()); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, -aDistance.getX()); aTransform.set(1, 2, 0.0); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, -aDiagonalDistance.getX()); aTransform.set(1, 2, -aDiagonalDistance.getY()); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, 0.0); aTransform.set(1, 2, -aDistance.getY()); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); aTransform.set(0, 2, aDiagonalDistance.getX()); aTransform.set(1, 2, -aDiagonalDistance.getY()); rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent())); // at last, place original over it, but force to white const basegfx::BColorModifierSharedPtr aBColorModifierToWhite( new basegfx::BColorModifier_replace( basegfx::BColor(1.0, 1.0, 1.0))); rContainer.push_back( new ModifiedColorPrimitive2D( getTextContent(), aBColorModifierToWhite)); break; } } } TextEffectPrimitive2D::TextEffectPrimitive2D( const Primitive2DContainer& rTextContent, const basegfx::B2DPoint& rRotationCenter, double fDirection, TextEffectStyle2D eTextEffectStyle2D) : BufferedDecompositionPrimitive2D(), maTextContent(rTextContent), maRotationCenter(rRotationCenter), mfDirection(fDirection), meTextEffectStyle2D(eTextEffectStyle2D) { } bool TextEffectPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const { if(BasePrimitive2D::operator==(rPrimitive)) { const TextEffectPrimitive2D& rCompare = static_cast(rPrimitive); return (getTextContent() == rCompare.getTextContent() && getRotationCenter() == rCompare.getRotationCenter() && getDirection() == rCompare.getDirection() && getTextEffectStyle2D() == rCompare.getTextEffectStyle2D()); } return false; } basegfx::B2DRange TextEffectPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const { // get range of content and grow by used fDiscreteSize. That way it is not necessary to ask // the whole decomposition for its ranges (which may be expensive with outline mode which // then will ask 9 times at nearly the same content. This may even be refined here using the // TextEffectStyle information, e.g. for TEXTEFFECTSTYLE2D_RELIEF the grow needs only to // be in two directions basegfx::B2DRange aRetval(getTextContent().getB2DRange(rViewInformation)); aRetval.grow(fDiscreteSize); return aRetval; } void TextEffectPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const { ::osl::MutexGuard aGuard( m_aMutex ); if(!getBuffered2DDecomposition().empty()) { if(maLastObjectToViewTransformation != rViewInformation.getObjectToViewTransformation()) { // conditions of last local decomposition have changed, delete const_cast< TextEffectPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer()); } } if(getBuffered2DDecomposition().empty()) { // remember ViewRange and ViewTransformation const_cast< TextEffectPrimitive2D* >(this)->maLastObjectToViewTransformation = rViewInformation.getObjectToViewTransformation(); } // use parent implementation BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation); } // provide unique ID ImplPrimitive2DIDBlock(TextEffectPrimitive2D, PRIMITIVE2D_ID_TEXTEFFECTPRIMITIVE2D) } // end of namespace primitive2d } // end of namespace drawinglayer /* vim:set shiftwidth=4 softtabstop=4 expandtab: */