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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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/.
*/
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/StrokeAttributes.hpp>
#include <com/sun/star/rendering/PathJoinType.hpp>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <outdevstate.hxx>
#include "textlineshelper.hxx"
#include "mtftools.hxx"
using namespace ::com::sun::star;
namespace
{
void initLineStyleWaveline(sal_uInt32 nLineStyle, bool& bIsWaveline, bool& bIsBold)
{
bIsWaveline = nLineStyle == LINESTYLE_DOUBLEWAVE || nLineStyle == LINESTYLE_SMALLWAVE
|| nLineStyle == LINESTYLE_BOLDWAVE || nLineStyle == LINESTYLE_WAVE;
bIsBold = nLineStyle == LINESTYLE_BOLDWAVE;
}
}
namespace cppcanvas
{
namespace internal
{
TextLinesHelper::TextLinesHelper(const CanvasSharedPtr& rCanvas, const OutDevState& rState)
: mpCanvas(rCanvas)
, mbIsOverlineColorSet(rState.isTextOverlineColorSet)
, maOverlineColor(rState.textOverlineColor)
, mbIsUnderlineColorSet(rState.isTextLineColorSet)
, maUnderlineColor(rState.textLineColor)
, mbOverlineWaveline(false)
, mbUnderlineWaveline(false)
, mbOverlineWavelineBold(false)
, mbUnderlineWavelineBold(false)
{
}
void TextLinesHelper::init(double nLineWidth, const tools::TextLineInfo& rLineInfo)
{
::basegfx::B2DRange aRange; // default is empty.
::basegfx::B2DPolyPolygon aOverline, aUnderline, aStrikeout;
tools::createTextLinesPolyPolygon(0.0, nLineWidth, rLineInfo, aOverline, aUnderline,
aStrikeout);
mxOverline.clear();
mxUnderline.clear();
mxStrikeout.clear();
uno::Reference<rendering::XGraphicDevice> xDevice = mpCanvas->getUNOCanvas()->getDevice();
if (aOverline.count())
{
aRange.expand(::basegfx::utils::getRange(aOverline));
mxOverline = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(xDevice, aOverline);
}
if (aUnderline.count())
{
aRange.expand(::basegfx::utils::getRange(aUnderline));
mxUnderline = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(xDevice, aUnderline);
}
if (aStrikeout.count())
{
aRange.expand(::basegfx::utils::getRange(aStrikeout));
mxStrikeout = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(xDevice, aStrikeout);
}
maOverallSize = aRange.getRange();
initLineStyleWaveline(rLineInfo.mnOverlineStyle, mbOverlineWaveline, mbOverlineWavelineBold);
initLineStyleWaveline(rLineInfo.mnUnderlineStyle, mbUnderlineWaveline, mbUnderlineWavelineBold);
}
void TextLinesHelper::render(const rendering::RenderState& rRenderState, bool bNormalText) const
{
const rendering::ViewState& rViewState(mpCanvas->getViewState());
const uno::Reference<rendering::XCanvas>& xCanvas(mpCanvas->getUNOCanvas());
rendering::StrokeAttributes aStrokeAttributes;
aStrokeAttributes.JoinType = rendering::PathJoinType::ROUND;
if (mxOverline.is())
{
rendering::RenderState aLocalState(rRenderState);
if (bNormalText && mbIsOverlineColorSet)
aLocalState.DeviceColor = maOverlineColor;
if (mbOverlineWaveline)
{
aStrokeAttributes.StrokeWidth = mbOverlineWavelineBold ? 2.0 : 1.0;
xCanvas->strokePolyPolygon(mxOverline, rViewState, aLocalState, aStrokeAttributes);
}
else
xCanvas->fillPolyPolygon(mxOverline, rViewState, aLocalState);
}
if (mxUnderline.is())
{
rendering::RenderState aLocalState(rRenderState);
if (bNormalText && mbIsUnderlineColorSet)
aLocalState.DeviceColor = maUnderlineColor;
if (mbUnderlineWaveline)
{
aStrokeAttributes.StrokeWidth = mbUnderlineWavelineBold ? 2.0 : 1.0;
xCanvas->strokePolyPolygon(mxUnderline, rViewState, aLocalState, aStrokeAttributes);
}
else
xCanvas->fillPolyPolygon(mxUnderline, rViewState, aLocalState);
}
if (mxStrikeout.is())
xCanvas->fillPolyPolygon(mxStrikeout, rViewState, rRenderState);
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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