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/* -*- 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 <sal/config.h>
#include <vcl/outdev.hxx>
#include <font/EmphasisMark.hxx>
#include <impglyphitem.hxx>
#include <vcl/vcllayout.hxx>
void OutputDevice::createEmphasisMarks(
FontEmphasisMark nEmphasisMark, tools::Long nEmphasisHeight, SalLayout& rSalLayout,
const std::function<void(const basegfx::B2DPoint&, const basegfx::B2DPolyPolygon&, bool,
const tools::Rectangle&, const tools::Rectangle&)>& rCallback) const
{
// tooling method to create geometry data for EmphasisMarks. It does the same
// as OutputDevice::ImplDrawEmphasisMarks, but feeds the data into the
// callback for further usage
vcl::font::EmphasisMark aEmphasisMark(nEmphasisMark, nEmphasisHeight, GetDPIY());
Point aOffset(0, 0);
Point aOffsetVert(0, 0);
if (nEmphasisMark & FontEmphasisMark::PosBelow)
{
aOffset.AdjustY(mpFontInstance->mxFontMetric->GetDescent() + aEmphasisMark.GetYOffset());
aOffsetVert = aOffset;
}
else
{
aOffset.AdjustY(-(mpFontInstance->mxFontMetric->GetAscent() + aEmphasisMark.GetYOffset()));
// Todo: use ideographic em-box or ideographic character face information.
aOffsetVert.AdjustY(-(mpFontInstance->mxFontMetric->GetAscent()
+ mpFontInstance->mxFontMetric->GetDescent()
+ aEmphasisMark.GetYOffset()));
}
tools::Long nEmphasisWidth2 = aEmphasisMark.GetWidth() / 2;
tools::Long nEmphasisHeight2 = nEmphasisHeight / 2;
aOffset += Point(nEmphasisWidth2, nEmphasisHeight2);
basegfx::B2DPolyPolygon aShape(aEmphasisMark.GetShape().getB2DPolyPolygon());
basegfx::B2DPoint aOutPoint;
basegfx::B2DRectangle aRectangle;
const GlyphItem* pGlyph;
const LogicalFontInstance* pGlyphFont;
int nStart = 0;
while (rSalLayout.GetNextGlyph(&pGlyph, aOutPoint, nStart, &pGlyphFont))
{
if (!pGlyph->GetGlyphBoundRect(pGlyphFont, aRectangle))
continue;
if (!pGlyph->IsSpacing())
{
Point aAdjPoint;
if (pGlyph->IsVertical())
{
aAdjPoint = aOffsetVert;
aAdjPoint.AdjustX((-pGlyph->origWidth() + aEmphasisMark.GetWidth()) / 2);
}
else
{
aAdjPoint = aOffset;
aAdjPoint.AdjustX(aRectangle.getMinX()
+ (aRectangle.getWidth() - aEmphasisMark.GetWidth()) / 2);
}
if (mpFontInstance->mnOrientation)
{
Point aOriginPt(0, 0);
aOriginPt.RotateAround(aAdjPoint, mpFontInstance->mnOrientation);
}
aOutPoint.adjustX(aAdjPoint.X() - nEmphasisWidth2);
aOutPoint.adjustY(aAdjPoint.Y() - nEmphasisHeight2);
// use callback to propagate the data to where it was requested from
rCallback(aOutPoint, aShape, aEmphasisMark.IsShapePolyLine(), aEmphasisMark.GetRect1(),
aEmphasisMark.GetRect2());
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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