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| -rw-r--r-- | drawinglayer/source/primitive2d/textstrikeoutprimitive2d.cxx | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/textstrikeoutprimitive2d.cxx b/drawinglayer/source/primitive2d/textstrikeoutprimitive2d.cxx new file mode 100644 index 000000000..ecd66b7a8 --- /dev/null +++ b/drawinglayer/source/primitive2d/textstrikeoutprimitive2d.cxx @@ -0,0 +1,259 @@ +/* -*- 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 <primitive2d/textstrikeoutprimitive2d.hxx> +#include <drawinglayer/primitive2d/textlayoutdevice.hxx> +#include <drawinglayer/primitive2d/textprimitive2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include <drawinglayer/attribute/lineattribute.hxx> +#include <drawinglayer/primitive2d/PolygonStrokePrimitive2D.hxx> +#include <drawinglayer/primitive2d/transformprimitive2d.hxx> +#include <osl/diagnose.h> +#include <rtl/ustrbuf.hxx> + + +namespace drawinglayer::primitive2d +{ + BaseTextStrikeoutPrimitive2D::BaseTextStrikeoutPrimitive2D( + const basegfx::B2DHomMatrix& rObjectTransformation, + double fWidth, + const basegfx::BColor& rFontColor) + : maObjectTransformation(rObjectTransformation), + mfWidth(fWidth), + maFontColor(rFontColor) + { + } + + bool BaseTextStrikeoutPrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const + { + if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) + { + const BaseTextStrikeoutPrimitive2D& rCompare = static_cast<const BaseTextStrikeoutPrimitive2D&>(rPrimitive); + + return (getObjectTransformation() == rCompare.getObjectTransformation() + && getWidth() == rCompare.getWidth() + && getFontColor() == rCompare.getFontColor()); + } + + return false; + } + + + void TextCharacterStrikeoutPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const + { + // strikeout with character + const OUString aSingleCharString(getStrikeoutChar()); + basegfx::B2DVector aScale, aTranslate; + double fRotate, fShearX; + + // get decomposition + getObjectTransformation().decompose(aScale, aTranslate, fRotate, fShearX); + + // prepare TextLayouter + TextLayouterDevice aTextLayouter; + + aTextLayouter.setFontAttribute( + getFontAttribute(), + aScale.getX(), + aScale.getY(), + getLocale()); + + const double fStrikeCharWidth(aTextLayouter.getTextWidth(aSingleCharString, 0, 1)); + const double fStrikeCharCount(fabs(getWidth()/fStrikeCharWidth)); + const sal_uInt32 nStrikeCharCount(static_cast< sal_uInt32 >(fStrikeCharCount + 0.5)); + std::vector<double> aDXArray(nStrikeCharCount); + OUStringBuffer aStrikeoutString; + + for(sal_uInt32 a(0); a < nStrikeCharCount; a++) + { + aStrikeoutString.append(aSingleCharString); + aDXArray[a] = (a + 1) * fStrikeCharWidth; + } + + auto len = aStrikeoutString.getLength(); + rContainer.push_back( + new TextSimplePortionPrimitive2D( + getObjectTransformation(), + aStrikeoutString.makeStringAndClear(), + 0, + len, + std::move(aDXArray), + getFontAttribute(), + getLocale(), + getFontColor())); + } + + TextCharacterStrikeoutPrimitive2D::TextCharacterStrikeoutPrimitive2D( + const basegfx::B2DHomMatrix& rObjectTransformation, + double fWidth, + const basegfx::BColor& rFontColor, + sal_Unicode aStrikeoutChar, + const attribute::FontAttribute& rFontAttribute, + const css::lang::Locale& rLocale) + : BaseTextStrikeoutPrimitive2D(rObjectTransformation, fWidth, rFontColor), + maStrikeoutChar(aStrikeoutChar), + maFontAttribute(rFontAttribute), + maLocale(rLocale) + { + } + + bool TextCharacterStrikeoutPrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const + { + if(BaseTextStrikeoutPrimitive2D::operator==(rPrimitive)) + { + const TextCharacterStrikeoutPrimitive2D& rCompare = static_cast<const TextCharacterStrikeoutPrimitive2D&>(rPrimitive); + + return (getStrikeoutChar() == rCompare.getStrikeoutChar() + && getFontAttribute() == rCompare.getFontAttribute() + && LocalesAreEqual(getLocale(), rCompare.getLocale())); + } + + return false; + } + + // provide unique ID + sal_uInt32 TextCharacterStrikeoutPrimitive2D::getPrimitive2DID() const + { + return PRIMITIVE2D_ID_TEXTCHARACTERSTRIKEOUTPRIMITIVE2D; + } + + void TextGeometryStrikeoutPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const + { + OSL_ENSURE(TEXT_STRIKEOUT_SLASH != getTextStrikeout() && TEXT_STRIKEOUT_X != getTextStrikeout(), + "Wrong TEXT_STRIKEOUT type; a TextCharacterStrikeoutPrimitive2D should be used (!)"); + + // strikeout with geometry + double fStrikeoutHeight(getHeight()); + double fStrikeoutOffset(getOffset()); + bool bDoubleLine(false); + + // get decomposition + basegfx::B2DVector aScale, aTranslate; + double fRotate, fShearX; + getObjectTransformation().decompose(aScale, aTranslate, fRotate, fShearX); + + // set line attribute + switch(getTextStrikeout()) + { + default : // case primitive2d::TEXT_STRIKEOUT_SINGLE: + { + break; + } + case primitive2d::TEXT_STRIKEOUT_DOUBLE: + { + bDoubleLine = true; + break; + } + case primitive2d::TEXT_STRIKEOUT_BOLD: + { + fStrikeoutHeight *= 2.0; + break; + } + } + + if(bDoubleLine) + { + fStrikeoutOffset -= 0.50 * fStrikeoutHeight; + fStrikeoutHeight *= 0.64; + } + + // create base polygon and new primitive + basegfx::B2DPolygon aStrikeoutLine; + + aStrikeoutLine.append(basegfx::B2DPoint(0.0, -fStrikeoutOffset)); + aStrikeoutLine.append(basegfx::B2DPoint(getWidth(), -fStrikeoutOffset)); + + const basegfx::B2DHomMatrix aUnscaledTransform( + basegfx::utils::createShearXRotateTranslateB2DHomMatrix( + fShearX, fRotate, aTranslate)); + + aStrikeoutLine.transform(aUnscaledTransform); + + // add primitive + const attribute::LineAttribute aLineAttribute(getFontColor(), fStrikeoutHeight, basegfx::B2DLineJoin::NONE); + Primitive2DContainer xRetval(1); + xRetval[0] = new PolygonStrokePrimitive2D(aStrikeoutLine, aLineAttribute); + + if(bDoubleLine) + { + // double line, create 2nd primitive with offset using TransformPrimitive based on + // already created NewPrimitive + const double fLineDist(2.0 * fStrikeoutHeight); + + // move base point of text to 0.0 and de-rotate + basegfx::B2DHomMatrix aTransform(basegfx::utils::createTranslateB2DHomMatrix( + -aTranslate.getX(), -aTranslate.getY())); + aTransform.rotate(-fRotate); + + // translate in Y by offset + aTransform.translate(0.0, -fLineDist); + + // move back and rotate + aTransform.rotate(fRotate); + aTransform.translate(aTranslate.getX(), aTranslate.getY()); + + // add transform primitive + xRetval.push_back( + new TransformPrimitive2D( + aTransform, + Primitive2DContainer(xRetval))); + } + + rContainer.append(std::move(xRetval)); + } + + TextGeometryStrikeoutPrimitive2D::TextGeometryStrikeoutPrimitive2D( + const basegfx::B2DHomMatrix& rObjectTransformation, + double fWidth, + const basegfx::BColor& rFontColor, + double fHeight, + double fOffset, + TextStrikeout eTextStrikeout) + : BaseTextStrikeoutPrimitive2D(rObjectTransformation, fWidth, rFontColor), + mfHeight(fHeight), + mfOffset(fOffset), + meTextStrikeout(eTextStrikeout) + { + } + + bool TextGeometryStrikeoutPrimitive2D::operator==( const BasePrimitive2D& rPrimitive ) const + { + if(BaseTextStrikeoutPrimitive2D::operator==(rPrimitive)) + { + const TextGeometryStrikeoutPrimitive2D& rCompare = static_cast<const TextGeometryStrikeoutPrimitive2D&>(rPrimitive); + + return (getHeight() == rCompare.getHeight() + && getOffset() == rCompare.getOffset() + && getTextStrikeout() == rCompare.getTextStrikeout()); + } + + return false; + } + + // provide unique ID + sal_uInt32 TextGeometryStrikeoutPrimitive2D::getPrimitive2DID() const + { + return PRIMITIVE2D_ID_TEXTGEOMETRYSTRIKEOUTPRIMITIVE2D; + } + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |