/* -*- 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/types.h>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <basegfx/polygon/WaveLine.hxx>
#include <tools/helpers.hxx>
#include <o3tl/hash_combine.hxx>
#include <o3tl/lru_map.hxx>
#include <comphelper/configuration.hxx>
#include <tools/lazydelete.hxx>
#include <vcl/metaact.hxx>
#include <vcl/settings.hxx>
#include <vcl/virdev.hxx>
#include <vcl/skia/SkiaHelper.hxx>
#include <drawmode.hxx>
#include <salgdi.hxx>
#include <impglyphitem.hxx>
#include <cassert>
#define UNDERLINE_LAST LINESTYLE_BOLDWAVE
#define STRIKEOUT_LAST STRIKEOUT_X
namespace {
struct WavyLineCache final
{
WavyLineCache () : m_aItems( 10 ) {}
bool find( Color aLineColor, size_t nLineWidth, size_t nWaveHeight, size_t nWordWidth, BitmapEx& rOutput )
{
Key aKey = { nWaveHeight, sal_uInt32(aLineColor) };
auto item = m_aItems.find( aKey );
if ( item == m_aItems.end() )
return false;
// needs update
if ( item->second.m_aLineWidth != nLineWidth || item->second.m_aWordWidth < nWordWidth )
{
return false;
}
rOutput = item->second.m_Bitmap;
return true;
}
void insert( const BitmapEx& aBitmap, const Color& aLineColor, const size_t nLineWidth, const size_t nWaveHeight, const size_t nWordWidth, BitmapEx& rOutput )
{
Key aKey = { nWaveHeight, sal_uInt32(aLineColor) };
m_aItems.insert( std::pair< Key, WavyLineCacheItem>( aKey, { nLineWidth, nWordWidth, aBitmap } ) );
rOutput = aBitmap;
}
private:
struct WavyLineCacheItem
{
size_t m_aLineWidth;
size_t m_aWordWidth;
BitmapEx m_Bitmap;
};
struct Key
{
size_t m_aFirst;
size_t m_aSecond;
bool operator ==( const Key& rOther ) const
{
return ( m_aFirst == rOther.m_aFirst && m_aSecond == rOther.m_aSecond );
}
};
struct Hash
{
size_t operator() ( const Key& rKey ) const
{
size_t aSeed = 0;
o3tl::hash_combine(aSeed, rKey.m_aFirst);
o3tl::hash_combine(aSeed, rKey.m_aSecond);
return aSeed;
}
};
o3tl::lru_map< Key, WavyLineCacheItem, Hash > m_aItems;
};
}
void OutputDevice::ImplInitTextLineSize()
{
mpFontInstance->mxFontMetric->ImplInitTextLineSize( this );
}
void OutputDevice::ImplInitAboveTextLineSize()
{
mpFontInstance->mxFontMetric->ImplInitAboveTextLineSize( this );
}
void OutputDevice::ImplDrawWavePixel( tools::Long nOriginX, tools::Long nOriginY,
tools::Long nCurX, tools::Long nCurY,
tools::Long nWidth,
Degree10 nOrientation,
SalGraphics* pGraphics,
const OutputDevice& rOutDev,
tools::Long nPixWidth, tools::Long nPixHeight )
{
if (nOrientation)
{
Point aPoint( nOriginX, nOriginY );
aPoint.RotateAround( nCurX, nCurY, nOrientation );
}
if (shouldDrawWavePixelAsRect(nWidth))
{
pGraphics->DrawRect( nCurX, nCurY, nPixWidth, nPixHeight, rOutDev );
}
else
{
pGraphics->DrawPixel( nCurX, nCurY, rOutDev );
}
}
bool OutputDevice::shouldDrawWavePixelAsRect(tools::Long nLineWidth) const
{
if (nLineWidth > 1)
return true;
return false;
}
void OutputDevice::SetWaveLineColors(Color const& rColor, tools::Long nLineWidth)
{
// On printers that output pixel via DrawRect()
if (nLineWidth > 1)
{
if (mbLineColor || mbInitLineColor)
{
mpGraphics->SetLineColor();
mbInitLineColor = true;
}
mpGraphics->SetFillColor( rColor );
mbInitFillColor = true;
}
else
{
mpGraphics->SetLineColor( rColor );
mbInitLineColor = true;
}
}
Size OutputDevice::GetWaveLineSize(tools::Long nLineWidth) const
{
if (nLineWidth > 1)
return Size(nLineWidth, ((nLineWidth*mnDPIX)+(mnDPIY/2))/mnDPIY);
return Size(1, 1);
}
void OutputDevice::ImplDrawWaveLine( tools::Long nBaseX, tools::Long nBaseY,
tools::Long nDistX, tools::Long nDistY,
tools::Long nWidth, tools::Long nHeight,
tools::Long nLineWidth, Degree10 nOrientation,
const Color& rColor )
{
if ( !nHeight )
return;
tools::Long nStartX = nBaseX + nDistX;
tools::Long nStartY = nBaseY + nDistY;
// If the height is 1 pixel, it's enough output a line
if ( (nLineWidth == 1) && (nHeight == 1) )
{
mpGraphics->SetLineColor( rColor );
mbInitLineColor = true;
tools::Long nEndX = nStartX+nWidth;
tools::Long nEndY = nStartY;
if ( nOrientation )
{
Point aOriginPt( nBaseX, nBaseY );
aOriginPt.RotateAround( nStartX, nStartY, nOrientation );
aOriginPt.RotateAround( nEndX, nEndY, nOrientation );
}
mpGraphics->DrawLine( nStartX, nStartY, nEndX, nEndY, *this );
}
else
{
tools::Long nCurX = nStartX;
tools::Long nCurY = nStartY;
tools::Long nDiffX = 2;
tools::Long nDiffY = nHeight-1;
tools::Long nCount = nWidth;
tools::Long nOffY = -1;
SetWaveLineColors(rColor, nLineWidth);
Size aSize(GetWaveLineSize(nLineWidth));
tools::Long nPixWidth = aSize.Width();
tools::Long nPixHeight = aSize.Height();
if ( !nDiffY )
{
while ( nWidth )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nLineWidth, nOrientation,
mpGraphics, *this,
nPixWidth, nPixHeight );
nCurX++;
nWidth--;
}
}
else
{
nCurY += nDiffY;
tools::Long nFreq = nCount / (nDiffX+nDiffY);
while ( nFreq-- )
{
for( tools::Long i = nDiffY; i; --i )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nLineWidth, nOrientation,
mpGraphics, *this,
nPixWidth, nPixHeight );
nCurX++;
nCurY += nOffY;
}
for( tools::Long i = nDiffX; i; --i )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nLineWidth, nOrientation,
mpGraphics, *this,
nPixWidth, nPixHeight );
nCurX++;
}
nOffY = -nOffY;
}
nFreq = nCount % (nDiffX+nDiffY);
if ( nFreq )
{
for( tools::Long i = nDiffY; i && nFreq; --i, --nFreq )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nLineWidth, nOrientation,
mpGraphics, *this,
nPixWidth, nPixHeight );
nCurX++;
nCurY += nOffY;
}
for( tools::Long i = nDiffX; i && nFreq; --i, --nFreq )
{
ImplDrawWavePixel( nBaseX, nBaseY, nCurX, nCurY, nLineWidth, nOrientation,
mpGraphics, *this,
nPixWidth, nPixHeight );
nCurX++;
}
}
}
}
}
void OutputDevice::ImplDrawWaveTextLine( tools::Long nBaseX, tools::Long nBaseY,
tools::Long nDistX, tools::Long nDistY, tools::Long nWidth,
FontLineStyle eTextLine,
Color aColor,
bool bIsAbove )
{
static bool bFuzzing = comphelper::IsFuzzing();
if (bFuzzing && nWidth > 10000)
{
SAL_WARN("vcl.gdi", "drawLine, skipping suspicious WaveTextLine of length: "
<< nWidth << " for fuzzing performance");
return;
}
LogicalFontInstance* pFontInstance = mpFontInstance.get();
tools::Long nLineHeight;
tools::Long nLinePos;
if ( bIsAbove )
{
nLineHeight = pFontInstance->mxFontMetric->GetAboveWavelineUnderlineSize();
nLinePos = pFontInstance->mxFontMetric->GetAboveWavelineUnderlineOffset();
}
else
{
nLineHeight = pFontInstance->mxFontMetric->GetWavelineUnderlineSize();
nLinePos = pFontInstance->mxFontMetric->GetWavelineUnderlineOffset();
}
if ( (eTextLine == LINESTYLE_SMALLWAVE) && (nLineHeight > 3) )
nLineHeight = 3;
tools::Long nLineWidth = mnDPIX / 300;
if ( !nLineWidth )
nLineWidth = 1;
if ( eTextLine == LINESTYLE_BOLDWAVE )
nLineWidth *= 2;
nLinePos += nDistY - (nLineHeight / 2);
tools::Long nLineWidthHeight = ((nLineWidth * mnDPIX) + (mnDPIY / 2)) / mnDPIY;
if ( eTextLine == LINESTYLE_DOUBLEWAVE )
{
tools::Long nOrgLineHeight = nLineHeight;
nLineHeight /= 3;
if ( nLineHeight < 2 )
{
if ( nOrgLineHeight > 1 )
nLineHeight = 2;
else
nLineHeight = 1;
}
tools::Long nLineDY = nOrgLineHeight-(nLineHeight*2);
if ( nLineDY < nLineWidthHeight )
nLineDY = nLineWidthHeight;
tools::Long nLineDY2 = nLineDY/2;
if ( !nLineDY2 )
nLineDY2 = 1;
nLinePos -= nLineWidthHeight-nLineDY2;
ImplDrawWaveLine( nBaseX, nBaseY, nDistX, nLinePos, nWidth, nLineHeight,
nLineWidth, mpFontInstance->mnOrientation, aColor );
nLinePos += nLineWidthHeight+nLineDY;
ImplDrawWaveLine( nBaseX, nBaseY, nDistX, nLinePos, nWidth, nLineHeight,
nLineWidth, mpFontInstance->mnOrientation, aColor );
}
else
{
nLinePos -= nLineWidthHeight/2;
ImplDrawWaveLine( nBaseX, nBaseY, nDistX, nLinePos, nWidth, nLineHeight,
nLineWidth, mpFontInstance->mnOrientation, aColor );
}
}
void OutputDevice::ImplDrawStraightTextLine( tools::Long nBaseX, tools::Long nBaseY,
tools::Long nDistX, tools::Long nDistY, tools::Long nWidth,
FontLineStyle eTextLine,
Color aColor,
bool bIsAbove )
{
static bool bFuzzing = comphelper::IsFuzzing();
if (bFuzzing && nWidth > 25000)
{
SAL_WARN("vcl.gdi", "drawLine, skipping suspicious TextLine of length: "
<< nWidth << " for fuzzing performance");
return;
}
LogicalFontInstance* pFontInstance = mpFontInstance.get();
tools::Long nLineHeight = 0;
tools::Long nLinePos = 0;
tools::Long nLinePos2 = 0;
const tools::Long nY = nDistY;
if ( eTextLine > UNDERLINE_LAST )
eTextLine = LINESTYLE_SINGLE;
switch ( eTextLine )
{
case LINESTYLE_SINGLE:
case LINESTYLE_DOTTED:
case LINESTYLE_DASH:
case LINESTYLE_LONGDASH:
case LINESTYLE_DASHDOT:
case LINESTYLE_DASHDOTDOT:
if ( bIsAbove )
{
nLineHeight = pFontInstance->mxFontMetric->GetAboveUnderlineSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetAboveUnderlineOffset();
}
else
{
nLineHeight = pFontInstance->mxFontMetric->GetUnderlineSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetUnderlineOffset();
}
break;
case LINESTYLE_BOLD:
case LINESTYLE_BOLDDOTTED:
case LINESTYLE_BOLDDASH:
case LINESTYLE_BOLDLONGDASH:
case LINESTYLE_BOLDDASHDOT:
case LINESTYLE_BOLDDASHDOTDOT:
if ( bIsAbove )
{
nLineHeight = pFontInstance->mxFontMetric->GetAboveBoldUnderlineSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetAboveBoldUnderlineOffset();
}
else
{
nLineHeight = pFontInstance->mxFontMetric->GetBoldUnderlineSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetBoldUnderlineOffset();
}
break;
case LINESTYLE_DOUBLE:
if ( bIsAbove )
{
nLineHeight = pFontInstance->mxFontMetric->GetAboveDoubleUnderlineSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetAboveDoubleUnderlineOffset1();
nLinePos2 = nY + pFontInstance->mxFontMetric->GetAboveDoubleUnderlineOffset2();
}
else
{
nLineHeight = pFontInstance->mxFontMetric->GetDoubleUnderlineSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetDoubleUnderlineOffset1();
nLinePos2 = nY + pFontInstance->mxFontMetric->GetDoubleUnderlineOffset2();
}
break;
default:
break;
}
if ( !nLineHeight )
return;
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = true;
}
mpGraphics->SetFillColor( aColor );
mbInitFillColor = true;
tools::Long nLeft = nDistX;
switch ( eTextLine )
{
case LINESTYLE_SINGLE:
case LINESTYLE_BOLD:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
break;
case LINESTYLE_DOUBLE:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos2, nWidth, nLineHeight );
break;
case LINESTYLE_DOTTED:
case LINESTYLE_BOLDDOTTED:
{
tools::Long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
tools::Long nTempWidth = nDotWidth;
tools::Long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempWidth > nEnd )
nTempWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempWidth, nLineHeight );
nLeft += nDotWidth*2;
}
}
break;
case LINESTYLE_DASH:
case LINESTYLE_LONGDASH:
case LINESTYLE_BOLDDASH:
case LINESTYLE_BOLDLONGDASH:
{
tools::Long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
tools::Long nMinDashWidth;
tools::Long nMinSpaceWidth;
tools::Long nSpaceWidth;
tools::Long nDashWidth;
if ( (eTextLine == LINESTYLE_LONGDASH) ||
(eTextLine == LINESTYLE_BOLDLONGDASH) )
{
nMinDashWidth = nDotWidth*6;
nMinSpaceWidth = nDotWidth*2;
nDashWidth = 200;
nSpaceWidth = 100;
}
else
{
nMinDashWidth = nDotWidth*4;
nMinSpaceWidth = (nDotWidth*150)/100;
nDashWidth = 100;
nSpaceWidth = 50;
}
nDashWidth = o3tl::convert(nDashWidth * mnDPIX, o3tl::Length::mm100, o3tl::Length::in);
nSpaceWidth = o3tl::convert(nSpaceWidth * mnDPIX, o3tl::Length::mm100, o3tl::Length::in);
// DashWidth will be increased if the line is getting too thick
// in proportion to the line's length
if ( nDashWidth < nMinDashWidth )
nDashWidth = nMinDashWidth;
if ( nSpaceWidth < nMinSpaceWidth )
nSpaceWidth = nMinSpaceWidth;
tools::Long nTempWidth = nDashWidth;
tools::Long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempWidth > nEnd )
nTempWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempWidth, nLineHeight );
nLeft += nDashWidth+nSpaceWidth;
}
}
break;
case LINESTYLE_DASHDOT:
case LINESTYLE_BOLDDASHDOT:
{
tools::Long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
tools::Long nDashWidth = o3tl::convert(100 * mnDPIX, o3tl::Length::mm100, o3tl::Length::in);
tools::Long nMinDashWidth = nDotWidth*4;
// DashWidth will be increased if the line is getting too thick
// in proportion to the line's length
if ( nDashWidth < nMinDashWidth )
nDashWidth = nMinDashWidth;
tools::Long nTempDotWidth = nDotWidth;
tools::Long nTempDashWidth = nDashWidth;
tools::Long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempDotWidth > nEnd )
nTempDotWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDotWidth, nLineHeight );
nLeft += nDotWidth*2;
if ( nLeft > nEnd )
break;
if ( nLeft+nTempDashWidth > nEnd )
nTempDashWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDashWidth, nLineHeight );
nLeft += nDashWidth+nDotWidth;
}
}
break;
case LINESTYLE_DASHDOTDOT:
case LINESTYLE_BOLDDASHDOTDOT:
{
tools::Long nDotWidth = nLineHeight*mnDPIY;
nDotWidth += mnDPIY/2;
nDotWidth /= mnDPIY;
tools::Long nDashWidth = o3tl::convert(100 * mnDPIX, o3tl::Length::mm100, o3tl::Length::in);
tools::Long nMinDashWidth = nDotWidth*4;
// DashWidth will be increased if the line is getting too thick
// in proportion to the line's length
if ( nDashWidth < nMinDashWidth )
nDashWidth = nMinDashWidth;
tools::Long nTempDotWidth = nDotWidth;
tools::Long nTempDashWidth = nDashWidth;
tools::Long nEnd = nLeft+nWidth;
while ( nLeft < nEnd )
{
if ( nLeft+nTempDotWidth > nEnd )
nTempDotWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDotWidth, nLineHeight );
nLeft += nDotWidth*2;
if ( nLeft > nEnd )
break;
if ( nLeft+nTempDotWidth > nEnd )
nTempDotWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDotWidth, nLineHeight );
nLeft += nDotWidth*2;
if ( nLeft > nEnd )
break;
if ( nLeft+nTempDashWidth > nEnd )
nTempDashWidth = nEnd-nLeft;
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nTempDashWidth, nLineHeight );
nLeft += nDashWidth+nDotWidth;
}
}
break;
default:
break;
}
}
void OutputDevice::ImplDrawStrikeoutLine( tools::Long nBaseX, tools::Long nBaseY,
tools::Long nDistX, tools::Long nDistY, tools::Long nWidth,
FontStrikeout eStrikeout,
Color aColor )
{
LogicalFontInstance* pFontInstance = mpFontInstance.get();
tools::Long nLineHeight = 0;
tools::Long nLinePos = 0;
tools::Long nLinePos2 = 0;
tools::Long nY = nDistY;
if ( eStrikeout > STRIKEOUT_LAST )
eStrikeout = STRIKEOUT_SINGLE;
switch ( eStrikeout )
{
case STRIKEOUT_SINGLE:
nLineHeight = pFontInstance->mxFontMetric->GetStrikeoutSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetStrikeoutOffset();
break;
case STRIKEOUT_BOLD:
nLineHeight = pFontInstance->mxFontMetric->GetBoldStrikeoutSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetBoldStrikeoutOffset();
break;
case STRIKEOUT_DOUBLE:
nLineHeight = pFontInstance->mxFontMetric->GetDoubleStrikeoutSize();
nLinePos = nY + pFontInstance->mxFontMetric->GetDoubleStrikeoutOffset1();
nLinePos2 = nY + pFontInstance->mxFontMetric->GetDoubleStrikeoutOffset2();
break;
default:
break;
}
if ( !nLineHeight )
return;
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = true;
}
mpGraphics->SetFillColor( aColor );
mbInitFillColor = true;
const tools::Long& nLeft = nDistX;
switch ( eStrikeout )
{
case STRIKEOUT_SINGLE:
case STRIKEOUT_BOLD:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
break;
case STRIKEOUT_DOUBLE:
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos, nWidth, nLineHeight );
ImplDrawTextRect( nBaseX, nBaseY, nLeft, nLinePos2, nWidth, nLineHeight );
break;
default:
break;
}
}
void OutputDevice::ImplDrawStrikeoutChar( tools::Long nBaseX, tools::Long nBaseY,
tools::Long nDistX, tools::Long nDistY, tools::Long nWidth,
FontStrikeout eStrikeout,
Color aColor )
{
// See qadevOOo/testdocs/StrikeThrough.odt for examples if you need
// to tweak this
if (!nWidth)
return;
// prepare string for strikeout measurement
const char cStrikeoutChar = eStrikeout == STRIKEOUT_SLASH ? '/' : 'X';
static const int nTestStrLen = 4;
static const int nMaxStrikeStrLen = 2048;
sal_Unicode aChars[nMaxStrikeStrLen+1]; // +1 for valgrind...
for( int i = 0; i < nTestStrLen; ++i)
aChars[i] = cStrikeoutChar;
const OUString aStrikeoutTest(aChars, nTestStrLen);
// calculate approximation of strikeout atom size
tools::Long nStrikeoutWidth = 0;
std::unique_ptr<SalLayout> pLayout = ImplLayout( aStrikeoutTest, 0, nTestStrLen );
if( pLayout )
{
nStrikeoutWidth = pLayout->GetTextWidth() / nTestStrLen;
}
if( nStrikeoutWidth <= 0 ) // sanity check
return;
int nStrikeStrLen = (nWidth+(nStrikeoutWidth-1)) / nStrikeoutWidth;
if( nStrikeStrLen > nMaxStrikeStrLen )
nStrikeStrLen = nMaxStrikeStrLen;
else if (nStrikeStrLen < 0)
nStrikeStrLen = 0;
// build the strikeout string
for( int i = nTestStrLen; i < nStrikeStrLen; ++i)
aChars[i] = cStrikeoutChar;
const OUString aStrikeoutText(aChars, nStrikeStrLen);
if( mpFontInstance->mnOrientation )
{
Point aOriginPt(0, 0);
aOriginPt.RotateAround( nDistX, nDistY, mpFontInstance->mnOrientation );
}
nBaseX += nDistX;
nBaseY += nDistY;
// strikeout text has to be left aligned
vcl::text::ComplexTextLayoutFlags nOrigTLM = mnTextLayoutMode;
mnTextLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiStrong;
pLayout = ImplLayout( aStrikeoutText, 0, aStrikeoutText.getLength() );
mnTextLayoutMode = nOrigTLM;
if( !pLayout )
return;
// draw the strikeout text
const Color aOldColor = GetTextColor();
SetTextColor( aColor );
ImplInitTextColor();
pLayout->DrawBase() = basegfx::B2DPoint(nBaseX + mnTextOffX, nBaseY + mnTextOffY);
tools::Rectangle aPixelRect;
aPixelRect.SetLeft( nBaseX+mnTextOffX );
aPixelRect.SetRight( aPixelRect.Left()+nWidth );
aPixelRect.SetBottom( nBaseY+mpFontInstance->mxFontMetric->GetDescent() );
aPixelRect.SetTop( nBaseY-mpFontInstance->mxFontMetric->GetAscent() );
if (mpFontInstance->mnOrientation)
{
tools::Polygon aPoly( aPixelRect );
aPoly.Rotate( Point(nBaseX+mnTextOffX, nBaseY+mnTextOffY), mpFontInstance->mnOrientation);
aPixelRect = aPoly.GetBoundRect();
}
Push( vcl::PushFlags::CLIPREGION );
IntersectClipRegion( PixelToLogic(aPixelRect) );
if( mbInitClipRegion )
InitClipRegion();
pLayout->DrawText( *mpGraphics );
Pop();
SetTextColor( aOldColor );
ImplInitTextColor();
}
void OutputDevice::ImplDrawTextLine( tools::Long nX, tools::Long nY,
tools::Long nDistX, double nWidth,
FontStrikeout eStrikeout,
FontLineStyle eUnderline,
FontLineStyle eOverline,
bool bUnderlineAbove )
{
if ( !nWidth )
return;
Color aStrikeoutColor = GetTextColor();
Color aUnderlineColor = GetTextLineColor();
Color aOverlineColor = GetOverlineColor();
bool bStrikeoutDone = false;
bool bUnderlineDone = false;
bool bOverlineDone = false;
if ( IsRTLEnabled() )
{
tools::Long nXAdd = nWidth - nDistX;
if( mpFontInstance->mnOrientation )
nXAdd = basegfx::fround<tools::Long>( nXAdd * cos( toRadians(mpFontInstance->mnOrientation) ) );
nX += nXAdd - 1;
}
if ( !IsTextLineColor() )
aUnderlineColor = GetTextColor();
if ( !IsOverlineColor() )
aOverlineColor = GetTextColor();
if ( (eUnderline == LINESTYLE_SMALLWAVE) ||
(eUnderline == LINESTYLE_WAVE) ||
(eUnderline == LINESTYLE_DOUBLEWAVE) ||
(eUnderline == LINESTYLE_BOLDWAVE) )
{
ImplDrawWaveTextLine( nX, nY, nDistX, 0, nWidth, eUnderline, aUnderlineColor, bUnderlineAbove );
bUnderlineDone = true;
}
if ( (eOverline == LINESTYLE_SMALLWAVE) ||
(eOverline == LINESTYLE_WAVE) ||
(eOverline == LINESTYLE_DOUBLEWAVE) ||
(eOverline == LINESTYLE_BOLDWAVE) )
{
ImplDrawWaveTextLine( nX, nY, nDistX, 0, nWidth, eOverline, aOverlineColor, true );
bOverlineDone = true;
}
if ( (eStrikeout == STRIKEOUT_SLASH) ||
(eStrikeout == STRIKEOUT_X) )
{
ImplDrawStrikeoutChar( nX, nY, nDistX, 0, nWidth, eStrikeout, aStrikeoutColor );
bStrikeoutDone = true;
}
if ( !bUnderlineDone )
ImplDrawStraightTextLine( nX, nY, nDistX, 0, nWidth, eUnderline, aUnderlineColor, bUnderlineAbove );
if ( !bOverlineDone )
ImplDrawStraightTextLine( nX, nY, nDistX, 0, nWidth, eOverline, aOverlineColor, true );
if ( !bStrikeoutDone )
ImplDrawStrikeoutLine( nX, nY, nDistX, 0, nWidth, eStrikeout, aStrikeoutColor );
}
void OutputDevice::ImplDrawTextLines( SalLayout& rSalLayout, FontStrikeout eStrikeout,
FontLineStyle eUnderline, FontLineStyle eOverline,
bool bWordLine, bool bUnderlineAbove )
{
if( bWordLine )
{
// draw everything relative to the layout base point
const basegfx::B2DPoint aStartPt = rSalLayout.DrawBase();
// calculate distance of each word from the base point
basegfx::B2DPoint aPos;
double nDist = 0;
double nWidth = 0;
const GlyphItem* pGlyph;
int nStart = 0;
while (rSalLayout.GetNextGlyph(&pGlyph, aPos, nStart))
{
// calculate the boundaries of each word
if (!pGlyph->IsSpacing())
{
if( !nWidth )
{
// get the distance to the base point (as projected to baseline)
nDist = aPos.getX() - aStartPt.getX();
if( mpFontInstance->mnOrientation )
{
const double nDY = aPos.getY() - aStartPt.getY();
const double fRad = toRadians(mpFontInstance->mnOrientation);
nDist = basegfx::fround<tools::Long>(nDist * cos(fRad) - nDY * sin(fRad));
}
}
// update the length of the textline
nWidth += pGlyph->newWidth();
}
else if( nWidth > 0 )
{
// draw the textline for each word
ImplDrawTextLine( aStartPt.getX(), aStartPt.getY(), nDist, nWidth,
eStrikeout, eUnderline, eOverline, bUnderlineAbove );
nWidth = 0;
}
}
// draw textline for the last word
if( nWidth > 0 )
{
ImplDrawTextLine( aStartPt.getX(), aStartPt.getY(), nDist, nWidth,
eStrikeout, eUnderline, eOverline, bUnderlineAbove );
}
}
else
{
basegfx::B2DPoint aStartPt = rSalLayout.GetDrawPosition();
ImplDrawTextLine( aStartPt.getX(), aStartPt.getY(), 0,
rSalLayout.GetTextWidth(),
eStrikeout, eUnderline, eOverline, bUnderlineAbove );
}
}
void OutputDevice::ImplDrawMnemonicLine( tools::Long nX, tools::Long nY, tools::Long nWidth )
{
tools::Long nBaseX = nX;
if( /*HasMirroredGraphics() &&*/ IsRTLEnabled() )
{
// revert the hack that will be done later in ImplDrawTextLine
nX = nBaseX - nWidth - (nX - nBaseX - 1);
}
ImplDrawTextLine( nX, nY, 0, nWidth, STRIKEOUT_NONE, LINESTYLE_SINGLE, LINESTYLE_NONE, false );
}
void OutputDevice::SetTextLineColor()
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLineColorAction( Color(), false ) );
maTextLineColor = COL_TRANSPARENT;
if( mpAlphaVDev )
mpAlphaVDev->SetTextLineColor();
}
void OutputDevice::SetTextLineColor( const Color& rColor )
{
Color aColor(vcl::drawmode::GetTextColor(rColor, GetDrawMode(), GetSettings().GetStyleSettings()));
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLineColorAction( aColor, true ) );
maTextLineColor = aColor;
if( mpAlphaVDev )
mpAlphaVDev->SetTextLineColor( COL_ALPHA_OPAQUE );
}
void OutputDevice::SetOverlineColor()
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaOverlineColorAction( Color(), false ) );
maOverlineColor = COL_TRANSPARENT;
if( mpAlphaVDev )
mpAlphaVDev->SetOverlineColor();
}
void OutputDevice::SetOverlineColor( const Color& rColor )
{
Color aColor(vcl::drawmode::GetTextColor(rColor, GetDrawMode(), GetSettings().GetStyleSettings()));
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaOverlineColorAction( aColor, true ) );
maOverlineColor = aColor;
if( mpAlphaVDev )
mpAlphaVDev->SetOverlineColor( COL_ALPHA_OPAQUE );
}
void OutputDevice::DrawTextLine( const Point& rPos, tools::Long nWidth,
FontStrikeout eStrikeout,
FontLineStyle eUnderline,
FontLineStyle eOverline,
bool bUnderlineAbove )
{
assert(!is_double_buffered_window());
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLineAction( rPos, nWidth, eStrikeout, eUnderline, eOverline ) );
if ( ((eUnderline == LINESTYLE_NONE) || (eUnderline == LINESTYLE_DONTKNOW)) &&
((eOverline == LINESTYLE_NONE) || (eOverline == LINESTYLE_DONTKNOW)) &&
((eStrikeout == STRIKEOUT_NONE) || (eStrikeout == STRIKEOUT_DONTKNOW)) )
{
return;
}
if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
if( mbInitClipRegion )
InitClipRegion();
if( mbOutputClipped )
return;
// initialize font if needed to get text offsets
// TODO: only needed for mnTextOff!=(0,0)
if (!InitFont())
return;
Point aPos = ImplLogicToDevicePixel( rPos );
double fWidth = ImplLogicWidthToDeviceSubPixel(nWidth);
aPos += Point( mnTextOffX, mnTextOffY );
ImplDrawTextLine( aPos.X(), aPos.X(), 0, fWidth, eStrikeout, eUnderline, eOverline, bUnderlineAbove );
if( mpAlphaVDev )
mpAlphaVDev->DrawTextLine( rPos, nWidth, eStrikeout, eUnderline, eOverline, bUnderlineAbove );
}
void OutputDevice::DrawWaveLine(const Point& rStartPos, const Point& rEndPos, tools::Long nLineWidth, tools::Long nWaveHeight)
{
assert(!is_double_buffered_window());
if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
// we need a graphics
if( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if ( mbInitClipRegion )
InitClipRegion();
if ( mbOutputClipped )
return;
if (!InitFont())
return;
Point aStartPt = ImplLogicToDevicePixel(rStartPos);
Point aEndPt = ImplLogicToDevicePixel(rEndPos);
tools::Long nStartX = aStartPt.X();
tools::Long nStartY = aStartPt.Y();
tools::Long nEndX = aEndPt.X();
tools::Long nEndY = aEndPt.Y();
double fOrientation = 0.0;
// handle rotation
if (nStartY != nEndY || nStartX > nEndX)
{
fOrientation = basegfx::rad2deg(std::atan2(nStartY - nEndY, nEndX - nStartX));
// un-rotate the end point
aStartPt.RotateAround(nEndX, nEndY, Degree10(static_cast<sal_Int16>(-fOrientation * 10.0)));
}
// Handle HiDPI
float fScaleFactor = GetDPIScaleFactor();
if (fScaleFactor > 1.0f)
{
nWaveHeight *= fScaleFactor;
nStartY += fScaleFactor - 1; // Shift down additional pixel(s) to create more visual separation.
// odd heights look better than even
if (nWaveHeight % 2 == 0)
{
nWaveHeight--;
}
}
// #109280# make sure the waveline does not exceed the descent to avoid paint problems
LogicalFontInstance* pFontInstance = mpFontInstance.get();
if (nWaveHeight > pFontInstance->mxFontMetric->GetWavelineUnderlineSize()
// tdf#153223 polyline with lineheight >0 not drawn when skia is off
#ifdef MACOSX
|| !SkiaHelper::isVCLSkiaEnabled()
#endif
)
{
nWaveHeight = pFontInstance->mxFontMetric->GetWavelineUnderlineSize();
// tdf#124848 hairline
nLineWidth = 0;
}
if ( fOrientation == 0.0 )
{
static tools::DeleteOnDeinit< WavyLineCache > snLineCache {};
if ( !snLineCache.get() )
return;
WavyLineCache& rLineCache = *snLineCache.get();
BitmapEx aWavylinebmp;
if ( !rLineCache.find( GetLineColor(), nLineWidth, nWaveHeight, nEndX - nStartX, aWavylinebmp ) )
{
size_t nWordLength = nEndX - nStartX;
// start with something big to avoid updating it frequently
nWordLength = nWordLength < 1024 ? 1024 : nWordLength;
ScopedVclPtrInstance< VirtualDevice > pVirtDev( *this, DeviceFormat::WITH_ALPHA );
pVirtDev->SetOutputSizePixel( Size( nWordLength, nWaveHeight * 2 ), false );
pVirtDev->SetLineColor( GetLineColor() );
pVirtDev->SetBackground( Wallpaper( COL_TRANSPARENT ) );
pVirtDev->Erase();
pVirtDev->SetAntialiasing( AntialiasingFlags::Enable );
pVirtDev->ImplDrawWaveLineBezier( 0, 0, nWordLength, 0, nWaveHeight, fOrientation, nLineWidth );
BitmapEx aBitmapEx(pVirtDev->GetBitmapEx(Point(0, 0), pVirtDev->GetOutputSize()));
// Ideally we don't need this block, but in the split rgb surface + separate alpha surface
// with Antialiasing enabled and the svp/cairo backend we get both surfaces antialiased
// so their combination of aliases merge to overly wash-out the color. Hack it by taking just
// the alpha surface and use it to blend the original solid line color
Bitmap aSolidColor(aBitmapEx.GetBitmap());
aSolidColor.Erase(GetLineColor());
aBitmapEx = BitmapEx(aSolidColor, aBitmapEx.GetAlphaMask());
rLineCache.insert( aBitmapEx, GetLineColor(), nLineWidth, nWaveHeight, nWordLength, aWavylinebmp );
}
if ( aWavylinebmp.ImplGetBitmapSalBitmap() != nullptr )
{
Size _size( nEndX - nStartX, aWavylinebmp.GetSizePixel().Height() );
DrawBitmapEx(Point( rStartPos.X(), rStartPos.Y() ), PixelToLogic( _size ), Point(), _size, aWavylinebmp);
}
return;
}
ImplDrawWaveLineBezier( nStartX, nStartY, nEndX, nEndY, nWaveHeight, fOrientation, nLineWidth );
}
void OutputDevice::ImplDrawWaveLineBezier(tools::Long nStartX, tools::Long nStartY, tools::Long nEndX, tools::Long nEndY, tools::Long nWaveHeight, double fOrientation, tools::Long nLineWidth)
{
// we need a graphics
if( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if ( mbInitClipRegion )
InitClipRegion();
if ( mbOutputClipped )
return;
if (!InitFont())
return;
const basegfx::B2DRectangle aWaveLineRectangle(nStartX, nStartY, nEndX, nEndY + nWaveHeight);
const basegfx::B2DPolygon aWaveLinePolygon = basegfx::createWaveLinePolygon(aWaveLineRectangle);
const basegfx::B2DHomMatrix aRotationMatrix = basegfx::utils::createRotateAroundPoint(nStartX, nStartY, basegfx::deg2rad(-fOrientation));
const bool bPixelSnapHairline(mnAntialiasing & AntialiasingFlags::PixelSnapHairline);
mpGraphics->SetLineColor(GetLineColor());
mpGraphics->DrawPolyLine(
aRotationMatrix,
aWaveLinePolygon,
0.0,
nLineWidth,
nullptr, // MM01
basegfx::B2DLineJoin::NONE,
css::drawing::LineCap_BUTT,
basegfx::deg2rad(15.0),
bPixelSnapHairline,
*this);
if( mpAlphaVDev )
mpAlphaVDev->ImplDrawWaveLineBezier(nStartX, nStartY, nEndX, nEndY, nWaveHeight, fOrientation, nLineWidth);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V519 The 'mnTextLayoutMode' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 717, 719.