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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 <overlayobject.hxx>
#include <drawinglayer/attribute/fontattribute.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <tools/lineend.hxx>
#include <utility>
#include <vcl/outdev.hxx>
#include <vcl/settings.hxx>
#include <vcl/metric.hxx>
#include <sal/log.hxx>
#define HINT_LINESPACE 2
#define HINT_INDENT 3
#define HINT_MARGIN 4
ScOverlayHint::ScOverlayHint(OUString aTit, const OUString& rMsg, const Color& rColor, vcl::Font aFont)
: OverlayObject(rColor)
, m_aTitle(std::move(aTit))
, m_aMessage(convertLineEnd(rMsg, LINEEND_CR))
, m_aTextFont(std::move(aFont))
, m_aMapMode(MapUnit::MapPixel)
, m_nLeft(0)
, m_nTop(0)
{
}
drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlaySequence(sal_Int32 nLeft, sal_Int32 nTop,
const MapMode &rMapMode,
basegfx::B2DRange &rRange) const
{
OutputDevice* pDefaultDev = Application::GetDefaultDevice();
MapMode aOld = pDefaultDev->GetMapMode();
pDefaultDev->SetMapMode(rMapMode);
const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
const Color& rColor = rStyleSettings.GetLabelTextColor();
vcl::Font aTextFont = m_aTextFont;
aTextFont.SetFontSize(pDefaultDev->PixelToLogic(aTextFont.GetFontSize(), rMapMode));
vcl::Font aHeadFont = aTextFont;
aHeadFont.SetWeight(WEIGHT_BOLD);
// Create the text primitive for the title
basegfx::B2DVector aFontSize;
drawinglayer::attribute::FontAttribute aFontAttr =
drawinglayer::primitive2d::getFontAttributeFromVclFont(aFontSize, aHeadFont, false, false);
FontMetric aFontMetric = pDefaultDev->GetFontMetric(aHeadFont);
Size aHintMargin = pDefaultDev->PixelToLogic(Size(HINT_MARGIN, HINT_MARGIN), rMapMode);
Size aIndent = pDefaultDev->PixelToLogic(Size(HINT_INDENT, HINT_LINESPACE), rMapMode);
double nTextOffsetY = nTop + aHintMargin.Height() + aFontMetric.GetAscent();
Point aTextPos(nLeft + aHintMargin.Width() , nTextOffsetY);
rRange = basegfx::B2DRange(nLeft, nTop, nLeft + aHintMargin.Width(), nTop + aHintMargin.Height());
basegfx::B2DHomMatrix aTextMatrix(basegfx::utils::createScaleTranslateB2DHomMatrix(
aFontSize.getX(), aFontSize.getY(),
aTextPos.X(), aTextPos.Y()));
rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> pTitle =
new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(
aTextMatrix, m_aTitle, 0, m_aTitle.getLength(),
std::vector<double>(), {}, std::move(aFontAttr), css::lang::Locale(),
rColor.getBColor());
Point aTextStart(nLeft + aHintMargin.Width() + aIndent.Width(),
nTop + aHintMargin.Height() + aFontMetric.GetLineHeight() + aIndent.Height());
drawinglayer::geometry::ViewInformation2D aDummy;
rRange.expand(pTitle->getB2DRange(aDummy));
drawinglayer::primitive2d::Primitive2DContainer aSeq { pTitle };
aFontMetric = pDefaultDev->GetFontMetric(aTextFont);
pDefaultDev->SetMapMode(aOld);
nTextOffsetY = aFontMetric.GetAscent();
sal_Int32 nLineHeight = aFontMetric.GetLineHeight();
aFontAttr = drawinglayer::primitive2d::getFontAttributeFromVclFont(aFontSize, aTextFont, false, false);
sal_Int32 nIndex = 0;
Point aLineStart = aTextStart;
sal_Int32 nLineCount = 0;
while (nIndex != -1)
{
OUString aLine = m_aMessage.getToken( 0, '\r', nIndex );
if (aLine.getLength() > 255)
{
// prevent silliness higher up from hanging up the program
SAL_WARN("sc", "ridiculously long line, truncating, len=" << aLine.getLength());
aLine = aLine.copy(0,255);
}
aTextMatrix = basegfx::utils::createScaleTranslateB2DHomMatrix(
aFontSize.getX(), aFontSize.getY(),
aLineStart.X(), aLineStart.Y() + nTextOffsetY);
// Create the text primitive for each line of text
rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> pMessage =
new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(
aTextMatrix, aLine, 0, aLine.getLength(),
std::vector<double>(), {}, aFontAttr, css::lang::Locale(),
rColor.getBColor());
rRange.expand(pMessage->getB2DRange(aDummy));
aSeq.push_back(pMessage);
aLineStart.AdjustY(nLineHeight );
nLineCount++;
if (nLineCount > 50)
{
// prevent silliness higher up from hanging up the program
SAL_WARN("sc", "ridiculously long message, bailing out");
break;
}
}
rRange.expand(basegfx::B2DTuple(rRange.getMaxX() + aHintMargin.Width(),
rRange.getMaxY() + aHintMargin.Height()));
basegfx::B2DPolygon aPoly(basegfx::utils::createPolygonFromRect(rRange));
const drawinglayer::primitive2d::Primitive2DReference aBg(
new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPoly), getBaseColor().getBColor()));
basegfx::BColor aBorderColor(0.5, 0.5, 0.5);
const drawinglayer::primitive2d::Primitive2DReference aBorder(
new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
std::move(aPoly), aBorderColor));
aSeq.insert(aSeq.begin(), aBorder);
aSeq.insert(aSeq.begin(), aBg);
return aSeq;
}
drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlayObjectPrimitive2DSequence()
{
basegfx::B2DRange aRange;
return createOverlaySequence(m_nLeft, m_nTop, m_aMapMode, aRange);
}
Size ScOverlayHint::GetSizePixel() const
{
basegfx::B2DRange aRange;
createOverlaySequence(0, 0, MapMode(MapUnit::MapPixel), aRange);
return Size(aRange.getWidth(), aRange.getHeight());
}
void ScOverlayHint::SetPos(const Point& rPos, const MapMode& rMode)
{
m_nLeft = rPos.X();
m_nTop = rPos.Y();
m_aMapMode = rMode;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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