/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <svsys.h>
#include <vcl/salgdi.hxx>
#include <tools/debug.hxx>
#include <vcl/svdata.hxx>
#include <vcl/gradient.hxx>
#include <vcl/metaact.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/outdata.hxx>
#include <tools/poly.hxx>
#include <vcl/salbtype.hxx>
#include <tools/line.hxx>
#include <vcl/hatch.hxx>
#include <vcl/window.hxx>
#include <vcl/virdev.hxx>
#include <vcl/outdev.hxx>
#include "pdfwriter_impl.hxx"
#include "vcl/window.h"
#include "vcl/salframe.hxx"
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
// -----------
// - Defines -
// -----------
#define HATCH_MAXPOINTS 1024
#define GRADIENT_DEFAULT_STEPCOUNT 0
// ----------------
// - Cmp-Function -
// ----------------
extern "C" int __LOADONCALLAPI ImplHatchCmpFnc( const void* p1, const void* p2 )
{
const long nX1 = ( (Point*) p1 )->X();
const long nX2 = ( (Point*) p2 )->X();
const long nY1 = ( (Point*) p1 )->Y();
const long nY2 = ( (Point*) p2 )->Y();
return ( nX1 > nX2 ? 1 : nX1 == nX2 ? nY1 > nY2 ? 1: nY1 == nY2 ? 0 : -1 : -1 );
}
// =======================================================================
DBG_NAMEEX( OutputDevice )
DBG_NAMEEX( Gradient )
// =======================================================================
void OutputDevice::ImplDrawPolygon( const Polygon& rPoly, const PolyPolygon* pClipPolyPoly )
{
if( pClipPolyPoly )
ImplDrawPolyPolygon( rPoly, pClipPolyPoly );
else
{
USHORT nPoints = rPoly.GetSize();
if ( nPoints < 2 )
return;
const SalPoint* pPtAry = (const SalPoint*)rPoly.GetConstPointAry();
mpGraphics->DrawPolygon( nPoints, pPtAry, this );
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawPolyPolygon( const PolyPolygon& rPolyPoly, const PolyPolygon* pClipPolyPoly )
{
PolyPolygon* pPolyPoly;
if( pClipPolyPoly )
{
pPolyPoly = new PolyPolygon;
rPolyPoly.GetIntersection( *pClipPolyPoly, *pPolyPoly );
}
else
pPolyPoly = (PolyPolygon*) &rPolyPoly;
if( pPolyPoly->Count() == 1 )
{
const Polygon rPoly = pPolyPoly->GetObject( 0 );
USHORT nSize = rPoly.GetSize();
if( nSize >= 2 )
{
const SalPoint* pPtAry = (const SalPoint*)rPoly.GetConstPointAry();
mpGraphics->DrawPolygon( nSize, pPtAry, this );
}
}
else if( pPolyPoly->Count() )
{
USHORT nCount = pPolyPoly->Count();
sal_uInt32* pPointAry = new sal_uInt32[nCount];
PCONSTSALPOINT* pPointAryAry = new PCONSTSALPOINT[nCount];
USHORT i = 0;
do
{
const Polygon& rPoly = pPolyPoly->GetObject( i );
USHORT nSize = rPoly.GetSize();
if ( nSize )
{
pPointAry[i] = nSize;
pPointAryAry[i] = (PCONSTSALPOINT)rPoly.GetConstPointAry();
i++;
}
else
nCount--;
}
while( i < nCount );
if( nCount == 1 )
mpGraphics->DrawPolygon( *pPointAry, *pPointAryAry, this );
else
mpGraphics->DrawPolyPolygon( nCount, pPointAry, pPointAryAry, this );
delete[] pPointAry;
delete[] pPointAryAry;
}
if( pClipPolyPoly )
delete pPolyPoly;
}
// -----------------------------------------------------------------------
inline UINT8 ImplGetGradientColorValue( long nValue )
{
if ( nValue < 0 )
return 0;
else if ( nValue > 0xFF )
return 0xFF;
else
return (UINT8)nValue;
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawLinearGradient( const Rectangle& rRect,
const Gradient& rGradient,
BOOL bMtf, const PolyPolygon* pClipPolyPoly )
{
// rotiertes BoundRect ausrechnen
Rectangle aRect;
Point aCenter;
USHORT nAngle = rGradient.GetAngle() % 3600;
rGradient.GetBoundRect( rRect, aRect, aCenter );
// Rand berechnen und Rechteck neu setzen
Rectangle aFullRect = aRect;
long nBorder = (long)rGradient.GetBorder() * aRect.GetHeight() / 100;
// Rand berechnen und Rechteck neu setzen fuer linearen Farbverlauf
bool bLinear = (rGradient.GetStyle() == GRADIENT_LINEAR);
if ( bLinear )
{
aRect.Top() += nBorder;
}
// Rand berechnen und Rechteck neu setzen fuer axiale Farbverlauf
else
{
nBorder >>= 1;
aRect.Top() += nBorder;
aRect.Bottom() -= nBorder;
}
// Top darf nicht groesser als Bottom sein
aRect.Top() = Min( aRect.Top(), (long)(aRect.Bottom() - 1) );
long nMinRect = aRect.GetHeight();
// Intensitaeten von Start- und Endfarbe ggf. aendern und
// Farbschrittweiten berechnen
long nFactor;
Color aStartCol = rGradient.GetStartColor();
Color aEndCol = rGradient.GetEndColor();
long nStartRed = aStartCol.GetRed();
long nStartGreen = aStartCol.GetGreen();
long nStartBlue = aStartCol.GetBlue();
long nEndRed = aEndCol.GetRed();
long nEndGreen = aEndCol.GetGreen();
long nEndBlue = aEndCol.GetBlue();
nFactor = rGradient.GetStartIntensity();
nStartRed = (nStartRed * nFactor) / 100;
nStartGreen = (nStartGreen * nFactor) / 100;
nStartBlue = (nStartBlue * nFactor) / 100;
nFactor = rGradient.GetEndIntensity();
nEndRed = (nEndRed * nFactor) / 100;
nEndGreen = (nEndGreen * nFactor) / 100;
nEndBlue = (nEndBlue * nFactor) / 100;
long nRedSteps = nEndRed - nStartRed;
long nGreenSteps = nEndGreen - nStartGreen;
long nBlueSteps = nEndBlue - nStartBlue;
long nStepCount = rGradient.GetSteps();
// Bei nicht linearen Farbverlaeufen haben wir nur die halben Steps
// pro Farbe
if ( !bLinear )
{
nRedSteps <<= 1;
nGreenSteps <<= 1;
nBlueSteps <<= 1;
}
// Anzahl der Schritte berechnen, falls nichts uebergeben wurde
if ( !nStepCount )
{
long nInc;
if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
{
nInc = (nMinRect < 50) ? 2 : 4;
}
else
{
// #105998# Use display-equivalent step size calculation
nInc = (nMinRect < 800) ? 10 : 20;
}
if ( !nInc )
nInc = 1;
nStepCount = nMinRect / nInc;
}
// minimal drei Schritte und maximal die Anzahl der Farbunterschiede
long nSteps = Max( nStepCount, 2L );
long nCalcSteps = Abs( nRedSteps );
long nTempSteps = Abs( nGreenSteps );
if ( nTempSteps > nCalcSteps )
nCalcSteps = nTempSteps;
nTempSteps = Abs( nBlueSteps );
if ( nTempSteps > nCalcSteps )
nCalcSteps = nTempSteps;
if ( nCalcSteps < nSteps )
nSteps = nCalcSteps;
if ( !nSteps )
nSteps = 1;
// Falls axialer Farbverlauf, muss die Schrittanzahl ungerade sein
if ( !bLinear && !(nSteps & 1) )
nSteps++;
// Berechnung ueber Double-Addition wegen Genauigkeit
double fScanLine = aRect.Top();
double fScanInc = (double)aRect.GetHeight() / (double)nSteps;
// Startfarbe berechnen und setzen
UINT8 nRed;
UINT8 nGreen;
UINT8 nBlue;
long nSteps2;
long nStepsHalf = 0;
if ( bLinear )
{
// Um 1 erhoeht, um die Border innerhalb der Schleife
// zeichnen zu koennen
nSteps2 = nSteps + 1;
nRed = (UINT8)nStartRed;
nGreen = (UINT8)nStartGreen;
nBlue = (UINT8)nStartBlue;
}
else
{
// Um 2 erhoeht, um die Border innerhalb der Schleife
// zeichnen zu koennen
nSteps2 = nSteps + 2;
nRed = (UINT8)nEndRed;
nGreen = (UINT8)nEndGreen;
nBlue = (UINT8)nEndBlue;
nStepsHalf = nSteps >> 1;
}
if ( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
// Startpolygon erzeugen (== Borderpolygon)
Polygon aPoly( 4 );
Polygon aTempPoly( 2 );
aPoly[0] = aFullRect.TopLeft();
aPoly[1] = aFullRect.TopRight();
aPoly[2] = aRect.TopRight();
aPoly[3] = aRect.TopLeft();
aPoly.Rotate( aCenter, nAngle );
// Schleife, um rotierten Verlauf zu fuellen
for ( long i = 0; i < nSteps2; i++ )
{
// berechnetesPolygon ausgeben
if ( bMtf )
mpMetaFile->AddAction( new MetaPolygonAction( aPoly ) );
else
ImplDrawPolygon( aPoly, pClipPolyPoly );
// neues Polygon berechnen
aRect.Top() = (long)(fScanLine += fScanInc);
// unteren Rand komplett fuellen
if ( i == nSteps )
{
aTempPoly[0] = aFullRect.BottomLeft();
aTempPoly[1] = aFullRect.BottomRight();
}
else
{
aTempPoly[0] = aRect.TopLeft();
aTempPoly[1] = aRect.TopRight();
}
aTempPoly.Rotate( aCenter, nAngle );
aPoly[0] = aPoly[3];
aPoly[1] = aPoly[2];
aPoly[2] = aTempPoly[1];
aPoly[3] = aTempPoly[0];
// Farbintensitaeten aendern...
// fuer lineare FV
if ( bLinear )
{
nRed = ImplGetGradientColorValue( nStartRed+((nRedSteps*i)/nSteps2) );
nGreen = ImplGetGradientColorValue( nStartGreen+((nGreenSteps*i)/nSteps2) );
nBlue = ImplGetGradientColorValue( nStartBlue+((nBlueSteps*i)/nSteps2) );
}
// fuer radiale FV
else
{
// fuer axiale FV muss die letzte Farbe der ersten
// Farbe entsprechen
// #107350# Setting end color one step earlier, as the
// last time we get here, we drop out of the loop later
// on.
if ( i >= nSteps )
{
nRed = (UINT8)nEndRed;
nGreen = (UINT8)nEndGreen;
nBlue = (UINT8)nEndBlue;
}
else
{
if ( i <= nStepsHalf )
{
nRed = ImplGetGradientColorValue( nEndRed-((nRedSteps*i)/nSteps2) );
nGreen = ImplGetGradientColorValue( nEndGreen-((nGreenSteps*i)/nSteps2) );
nBlue = ImplGetGradientColorValue( nEndBlue-((nBlueSteps*i)/nSteps2) );
}
// genau die Mitte und hoeher
else
{
long i2 = i - nStepsHalf;
nRed = ImplGetGradientColorValue( nStartRed+((nRedSteps*i2)/nSteps2) );
nGreen = ImplGetGradientColorValue( nStartGreen+((nGreenSteps*i2)/nSteps2) );
nBlue = ImplGetGradientColorValue( nStartBlue+((nBlueSteps*i2)/nSteps2) );
}
}
}
if ( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawComplexGradient( const Rectangle& rRect,
const Gradient& rGradient,
BOOL bMtf, const PolyPolygon* pClipPolyPoly )
{
// Feststellen ob Ausgabe ueber Polygon oder PolyPolygon
// Bei Rasteroperationen ungleich Overpaint immer PolyPolygone,
// da es zu falschen Ergebnissen kommt, wenn man mehrfach uebereinander
// ausgibt
// Bei Druckern auch immer PolyPolygone, da nicht alle Drucker
// das Uebereinanderdrucken von Polygonen koennen
// Virtuelle Device werden auch ausgeklammert, da einige Treiber
// ansonsten zu langsam sind
PolyPolygon* pPolyPoly;
Rectangle aRect;
Point aCenter;
Color aStartCol( rGradient.GetStartColor() );
Color aEndCol( rGradient.GetEndColor() );
long nStartRed = ( (long) aStartCol.GetRed() * rGradient.GetStartIntensity() ) / 100;
long nStartGreen = ( (long) aStartCol.GetGreen() * rGradient.GetStartIntensity() ) / 100;
long nStartBlue = ( (long) aStartCol.GetBlue() * rGradient.GetStartIntensity() ) / 100;
long nEndRed = ( (long) aEndCol.GetRed() * rGradient.GetEndIntensity() ) / 100;
long nEndGreen = ( (long) aEndCol.GetGreen() * rGradient.GetEndIntensity() ) / 100;
long nEndBlue = ( (long) aEndCol.GetBlue() * rGradient.GetEndIntensity() ) / 100;
long nRedSteps = nEndRed - nStartRed;
long nGreenSteps = nEndGreen - nStartGreen;
long nBlueSteps = nEndBlue - nStartBlue;
long nStepCount = rGradient.GetSteps();
USHORT nAngle = rGradient.GetAngle() % 3600;
rGradient.GetBoundRect( rRect, aRect, aCenter );
if( (meRasterOp != ROP_OVERPAINT) || (meOutDevType != OUTDEV_WINDOW) || bMtf )
pPolyPoly = new PolyPolygon( 2 );
else
pPolyPoly = NULL;
long nMinRect = Min( aRect.GetWidth(), aRect.GetHeight() );
// Anzahl der Schritte berechnen, falls nichts uebergeben wurde
if( !nStepCount )
{
long nInc;
if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
{
nInc = ( nMinRect < 50 ) ? 2 : 4;
}
else
{
// #105998# Use display-equivalent step size calculation
nInc = (nMinRect < 800) ? 10 : 20;
}
if( !nInc )
nInc = 1;
nStepCount = nMinRect / nInc;
}
// minimal drei Schritte und maximal die Anzahl der Farbunterschiede
long nSteps = Max( nStepCount, 2L );
long nCalcSteps = Abs( nRedSteps );
long nTempSteps = Abs( nGreenSteps );
if ( nTempSteps > nCalcSteps )
nCalcSteps = nTempSteps;
nTempSteps = Abs( nBlueSteps );
if ( nTempSteps > nCalcSteps )
nCalcSteps = nTempSteps;
if ( nCalcSteps < nSteps )
nSteps = nCalcSteps;
if ( !nSteps )
nSteps = 1;
// Ausgabebegrenzungen und Schrittweite fuer jede Richtung festlegen
Polygon aPoly;
double fScanLeft = aRect.Left();
double fScanTop = aRect.Top();
double fScanRight = aRect.Right();
double fScanBottom = aRect.Bottom();
double fScanInc = (double) nMinRect / (double) nSteps * 0.5;
UINT8 nRed = (UINT8) nStartRed, nGreen = (UINT8) nStartGreen, nBlue = (UINT8) nStartBlue;
bool bPaintLastPolygon( false ); // #107349# Paint last polygon only if loop has generated any output
if( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
if( pPolyPoly )
{
pPolyPoly->Insert( aPoly = rRect );
pPolyPoly->Insert( aPoly );
}
else
{
// extend rect, to avoid missing bounding line
Rectangle aExtRect( rRect );
aExtRect.Left() -= 1;
aExtRect.Top() -= 1;
aExtRect.Right() += 1;
aExtRect.Bottom() += 1;
ImplDrawPolygon( aPoly = aExtRect, pClipPolyPoly );
}
// Schleife, um nacheinander die Polygone/PolyPolygone auszugeben
for( long i = 1; i < nSteps; i++ )
{
// neues Polygon berechnen
aRect.Left() = (long)( fScanLeft += fScanInc );
aRect.Top() = (long)( fScanTop += fScanInc );
aRect.Right() = (long)( fScanRight -= fScanInc );
aRect.Bottom() = (long)( fScanBottom -= fScanInc );
if( ( aRect.GetWidth() < 2 ) || ( aRect.GetHeight() < 2 ) )
break;
if( rGradient.GetStyle() == GRADIENT_RADIAL || rGradient.GetStyle() == GRADIENT_ELLIPTICAL )
aPoly = Polygon( aRect.Center(), aRect.GetWidth() >> 1, aRect.GetHeight() >> 1 );
else
aPoly = Polygon( aRect );
aPoly.Rotate( aCenter, nAngle );
// Farbe entsprechend anpassen
const long nStepIndex = ( ( pPolyPoly != NULL ) ? i : ( i + 1 ) );
nRed = ImplGetGradientColorValue( nStartRed + ( ( nRedSteps * nStepIndex ) / nSteps ) );
nGreen = ImplGetGradientColorValue( nStartGreen + ( ( nGreenSteps * nStepIndex ) / nSteps ) );
nBlue = ImplGetGradientColorValue( nStartBlue + ( ( nBlueSteps * nStepIndex ) / nSteps ) );
// entweder langsame PolyPolygon-Ausgaben oder schnelles Polygon-Painting
if( pPolyPoly )
{
bPaintLastPolygon = true; // #107349# Paint last polygon only if loop has generated any output
pPolyPoly->Replace( pPolyPoly->GetObject( 1 ), 0 );
pPolyPoly->Replace( aPoly, 1 );
if( bMtf )
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
else
ImplDrawPolyPolygon( *pPolyPoly, pClipPolyPoly );
// #107349# Set fill color _after_ geometry painting:
// pPolyPoly's geometry is the band from last iteration's
// aPoly to current iteration's aPoly. The window outdev
// path (see else below), on the other hand, paints the
// full aPoly. Thus, here, we're painting the band before
// the one painted in the window outdev path below. To get
// matching colors, have to delay color setting here.
if( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
}
else
{
// #107349# Set fill color _before_ geometry painting
if( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
ImplDrawPolygon( aPoly, pClipPolyPoly );
}
}
// Falls PolyPolygon-Ausgabe, muessen wir noch ein letztes inneres Polygon zeichnen
if( pPolyPoly )
{
const Polygon& rPoly = pPolyPoly->GetObject( 1 );
if( !rPoly.GetBoundRect().IsEmpty() )
{
// #107349# Paint last polygon with end color only if loop
// has generated output. Otherwise, the current
// (i.e. start) color is taken, to generate _any_ output.
if( bPaintLastPolygon )
{
nRed = ImplGetGradientColorValue( nEndRed );
nGreen = ImplGetGradientColorValue( nEndGreen );
nBlue = ImplGetGradientColorValue( nEndBlue );
}
if( bMtf )
{
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
mpMetaFile->AddAction( new MetaPolygonAction( rPoly ) );
}
else
{
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
ImplDrawPolygon( rPoly, pClipPolyPoly );
}
}
delete pPolyPoly;
}
}
// -----------------------------------------------------------------------
void OutputDevice::DrawGradient( const Rectangle& rRect,
const Gradient& rGradient )
{
DBG_TRACE( "OutputDevice::DrawGradient()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
DBG_CHKOBJ( &rGradient, Gradient, NULL );
if ( mnDrawMode & DRAWMODE_NOGRADIENT )
return;
else if ( mnDrawMode & ( DRAWMODE_BLACKGRADIENT | DRAWMODE_WHITEGRADIENT | DRAWMODE_SETTINGSGRADIENT) )
{
Color aColor;
if ( mnDrawMode & DRAWMODE_BLACKGRADIENT )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITEGRADIENT )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_SETTINGSGRADIENT )
aColor = GetSettings().GetStyleSettings().GetWindowColor();
if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
{
aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
( aColor.GetGreen() >> 1 ) | 0x80,
( aColor.GetBlue() >> 1 ) | 0x80 );
}
Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
SetLineColor( aColor );
SetFillColor( aColor );
DrawRect( rRect );
Pop();
return;
}
Gradient aGradient( rGradient );
if ( mnDrawMode & ( DRAWMODE_GRAYGRADIENT | DRAWMODE_GHOSTEDGRADIENT ) )
{
Color aStartCol( aGradient.GetStartColor() );
Color aEndCol( aGradient.GetEndColor() );
if ( mnDrawMode & DRAWMODE_GRAYGRADIENT )
{
BYTE cStartLum = aStartCol.GetLuminance(), cEndLum = aEndCol.GetLuminance();
aStartCol = Color( cStartLum, cStartLum, cStartLum );
aEndCol = Color( cEndLum, cEndLum, cEndLum );
}
if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
{
aStartCol = Color( ( aStartCol.GetRed() >> 1 ) | 0x80,
( aStartCol.GetGreen() >> 1 ) | 0x80,
( aStartCol.GetBlue() >> 1 ) | 0x80 );
aEndCol = Color( ( aEndCol.GetRed() >> 1 ) | 0x80,
( aEndCol.GetGreen() >> 1 ) | 0x80,
( aEndCol.GetBlue() >> 1 ) | 0x80 );
}
aGradient.SetStartColor( aStartCol );
aGradient.SetEndColor( aEndCol );
}
if( mpMetaFile )
mpMetaFile->AddAction( new MetaGradientAction( rRect, aGradient ) );
if( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
// Rechteck in Pixel umrechnen
Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
aRect.Justify();
// Wenn Rechteck leer ist, brauchen wir nichts machen
if ( !aRect.IsEmpty() )
{
// Clip Region sichern
Push( PUSH_CLIPREGION );
IntersectClipRegion( rRect );
// because we draw with no border line, we have to expand gradient
// rect to avoid missing lines on the right and bottom edge
aRect.Left()--;
aRect.Top()--;
aRect.Right()++;
aRect.Bottom()++;
// we need a graphics
if ( !mpGraphics )
{
if ( !ImplGetGraphics() )
return;
}
if ( mbInitClipRegion )
ImplInitClipRegion();
if ( !mbOutputClipped )
{
// Gradienten werden ohne Umrandung gezeichnet
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = TRUE;
}
mbInitFillColor = TRUE;
// calculate step count if neccessary
if ( !aGradient.GetSteps() )
aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
if( aGradient.GetStyle() == GRADIENT_LINEAR || aGradient.GetStyle() == GRADIENT_AXIAL )
ImplDrawLinearGradient( aRect, aGradient, FALSE, NULL );
else
ImplDrawComplexGradient( aRect, aGradient, FALSE, NULL );
}
Pop();
}
if( mpAlphaVDev )
{
// #i32109#: Make gradient area opaque
mpAlphaVDev->ImplFillOpaqueRectangle( rRect );
}
}
// -----------------------------------------------------------------------
void OutputDevice::DrawGradient( const PolyPolygon& rPolyPoly,
const Gradient& rGradient )
{
DBG_TRACE( "OutputDevice::DrawGradient()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
DBG_CHKOBJ( &rGradient, Gradient, NULL );
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped )
return;
if( !mpGraphics )
if( !ImplGetGraphics() )
return;
if( rPolyPoly.Count() && rPolyPoly[ 0 ].GetSize() && !( mnDrawMode & DRAWMODE_NOGRADIENT ) )
{
if ( mnDrawMode & ( DRAWMODE_BLACKGRADIENT | DRAWMODE_WHITEGRADIENT | DRAWMODE_SETTINGSGRADIENT) )
{
Color aColor;
if ( mnDrawMode & DRAWMODE_BLACKGRADIENT )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITEGRADIENT )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_SETTINGSGRADIENT )
aColor = GetSettings().GetStyleSettings().GetWindowColor();
if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
{
aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
( aColor.GetGreen() >> 1 ) | 0x80,
( aColor.GetBlue() >> 1 ) | 0x80 );
}
Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
SetLineColor( aColor );
SetFillColor( aColor );
DrawPolyPolygon( rPolyPoly );
Pop();
return;
}
if( mpMetaFile )
{
const Rectangle aRect( rPolyPoly.GetBoundRect() );
mpMetaFile->AddAction( new MetaCommentAction( "XGRAD_SEQ_BEGIN" ) );
mpMetaFile->AddAction( new MetaGradientExAction( rPolyPoly, rGradient ) );
if( OUTDEV_PRINTER == meOutDevType )
{
Push( PUSH_CLIPREGION );
IntersectClipRegion( rPolyPoly );
DrawGradient( aRect, rGradient );
Pop();
}
else
{
const BOOL bOldOutput = IsOutputEnabled();
EnableOutput( FALSE );
Push( PUSH_RASTEROP );
SetRasterOp( ROP_XOR );
DrawGradient( aRect, rGradient );
SetFillColor( COL_BLACK );
SetRasterOp( ROP_0 );
DrawPolyPolygon( rPolyPoly );
SetRasterOp( ROP_XOR );
DrawGradient( aRect, rGradient );
Pop();
EnableOutput( bOldOutput );
}
mpMetaFile->AddAction( new MetaCommentAction( "XGRAD_SEQ_END" ) );
}
if( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
Gradient aGradient( rGradient );
if ( mnDrawMode & ( DRAWMODE_GRAYGRADIENT | DRAWMODE_GHOSTEDGRADIENT ) )
{
Color aStartCol( aGradient.GetStartColor() );
Color aEndCol( aGradient.GetEndColor() );
if ( mnDrawMode & DRAWMODE_GRAYGRADIENT )
{
BYTE cStartLum = aStartCol.GetLuminance(), cEndLum = aEndCol.GetLuminance();
aStartCol = Color( cStartLum, cStartLum, cStartLum );
aEndCol = Color( cEndLum, cEndLum, cEndLum );
}
if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
{
aStartCol = Color( ( aStartCol.GetRed() >> 1 ) | 0x80,
( aStartCol.GetGreen() >> 1 ) | 0x80,
( aStartCol.GetBlue() >> 1 ) | 0x80 );
aEndCol = Color( ( aEndCol.GetRed() >> 1 ) | 0x80,
( aEndCol.GetGreen() >> 1 ) | 0x80,
( aEndCol.GetBlue() >> 1 ) | 0x80 );
}
aGradient.SetStartColor( aStartCol );
aGradient.SetEndColor( aEndCol );
}
if( OUTDEV_PRINTER == meOutDevType || ImplGetSVData()->maGDIData.mbNoXORClipping )
{
const Rectangle aBoundRect( rPolyPoly.GetBoundRect() );
if( !Rectangle( PixelToLogic( Point() ), GetOutputSize() ).IsEmpty() )
{
// Rechteck in Pixel umrechnen
Rectangle aRect( ImplLogicToDevicePixel( aBoundRect ) );
aRect.Justify();
// Wenn Rechteck leer ist, brauchen wir nichts machen
if ( !aRect.IsEmpty() )
{
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if( !mbOutputClipped )
{
PolyPolygon aClipPolyPoly( ImplLogicToDevicePixel( rPolyPoly ) );
// Gradienten werden ohne Umrandung gezeichnet
if( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = TRUE;
}
mbInitFillColor = TRUE;
// calculate step count if neccessary
if ( !aGradient.GetSteps() )
aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
if( aGradient.GetStyle() == GRADIENT_LINEAR || aGradient.GetStyle() == GRADIENT_AXIAL )
ImplDrawLinearGradient( aRect, aGradient, FALSE, &aClipPolyPoly );
else
ImplDrawComplexGradient( aRect, aGradient, FALSE, &aClipPolyPoly );
}
}
}
}
else
{
const PolyPolygon aPolyPoly( LogicToPixel( rPolyPoly ) );
const Rectangle aBoundRect( aPolyPoly.GetBoundRect() );
Point aPoint;
Rectangle aDstRect( aPoint, GetOutputSizePixel() );
aDstRect.Intersection( aBoundRect );
if( OUTDEV_WINDOW == meOutDevType )
{
const Region aPaintRgn( ( (Window*) this )->GetPaintRegion() );
if( !aPaintRgn.IsNull() )
aDstRect.Intersection( LogicToPixel( aPaintRgn ).GetBoundRect() );
}
if( !aDstRect.IsEmpty() )
{
VirtualDevice* pVDev;
const Size aDstSize( aDstRect.GetSize() );
if( HasAlpha() )
{
// #110958# Pay attention to alpha VDevs here, otherwise,
// background will be wrong: Temp VDev has to have alpha, too.
pVDev = new VirtualDevice( *this, 0, GetAlphaBitCount() > 1 ? 0 : 1 );
}
else
{
// nothing special here. Plain VDev
pVDev = new VirtualDevice();
}
if( pVDev->SetOutputSizePixel( aDstSize) )
{
MapMode aVDevMap;
const BOOL bOldMap = mbMap;
EnableMapMode( FALSE );
pVDev->DrawOutDev( Point(), aDstSize, aDstRect.TopLeft(), aDstSize, *this );
pVDev->SetRasterOp( ROP_XOR );
aVDevMap.SetOrigin( Point( -aDstRect.Left(), -aDstRect.Top() ) );
pVDev->SetMapMode( aVDevMap );
pVDev->DrawGradient( aBoundRect, aGradient );
pVDev->SetFillColor( COL_BLACK );
pVDev->SetRasterOp( ROP_0 );
pVDev->DrawPolyPolygon( aPolyPoly );
pVDev->SetRasterOp( ROP_XOR );
pVDev->DrawGradient( aBoundRect, aGradient );
aVDevMap.SetOrigin( Point() );
pVDev->SetMapMode( aVDevMap );
DrawOutDev( aDstRect.TopLeft(), aDstSize, Point(), aDstSize, *pVDev );
EnableMapMode( bOldMap );
}
delete pVDev;
}
}
}
if( mpAlphaVDev )
mpAlphaVDev->DrawPolyPolygon( rPolyPoly );
}
// -----------------------------------------------------------------------
void OutputDevice::AddGradientActions( const Rectangle& rRect, const Gradient& rGradient,
GDIMetaFile& rMtf )
{
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
DBG_CHKOBJ( &rGradient, Gradient, NULL );
Rectangle aRect( rRect );
aRect.Justify();
// Wenn Rechteck leer ist, brauchen wir nichts machen
if ( !aRect.IsEmpty() )
{
Gradient aGradient( rGradient );
GDIMetaFile* pOldMtf = mpMetaFile;
mpMetaFile = &rMtf;
mpMetaFile->AddAction( new MetaPushAction( PUSH_ALL ) );
mpMetaFile->AddAction( new MetaISectRectClipRegionAction( aRect ) );
mpMetaFile->AddAction( new MetaLineColorAction( Color(), FALSE ) );
// because we draw with no border line, we have to expand gradient
// rect to avoid missing lines on the right and bottom edge
aRect.Left()--;
aRect.Top()--;
aRect.Right()++;
aRect.Bottom()++;
// calculate step count if neccessary
if ( !aGradient.GetSteps() )
aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
if( aGradient.GetStyle() == GRADIENT_LINEAR || aGradient.GetStyle() == GRADIENT_AXIAL )
ImplDrawLinearGradient( aRect, aGradient, TRUE, NULL );
else
ImplDrawComplexGradient( aRect, aGradient, TRUE, NULL );
mpMetaFile->AddAction( new MetaPopAction() );
mpMetaFile = pOldMtf;
}
}
// -----------------------------------------------------------------------
void OutputDevice::DrawHatch( const PolyPolygon& rPolyPoly, const Hatch& rHatch )
{
DBG_TRACE( "OutputDevice::DrawHatch()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
Hatch aHatch( rHatch );
if ( mnDrawMode & ( DRAWMODE_BLACKLINE | DRAWMODE_WHITELINE |
DRAWMODE_GRAYLINE | DRAWMODE_GHOSTEDLINE |
DRAWMODE_SETTINGSLINE ) )
{
Color aColor( rHatch.GetColor() );
if ( mnDrawMode & DRAWMODE_BLACKLINE )
aColor = Color( COL_BLACK );
else if ( mnDrawMode & DRAWMODE_WHITELINE )
aColor = Color( COL_WHITE );
else if ( mnDrawMode & DRAWMODE_GRAYLINE )
{
const UINT8 cLum = aColor.GetLuminance();
aColor = Color( cLum, cLum, cLum );
}
else if( mnDrawMode & DRAWMODE_SETTINGSLINE )
{
aColor = GetSettings().GetStyleSettings().GetFontColor();
}
if ( mnDrawMode & DRAWMODE_GHOSTEDLINE )
{
aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
( aColor.GetGreen() >> 1 ) | 0x80,
( aColor.GetBlue() >> 1 ) | 0x80);
}
aHatch.SetColor( aColor );
}
if( mpMetaFile )
mpMetaFile->AddAction( new MetaHatchAction( rPolyPoly, aHatch ) );
if( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped )
return;
if( rPolyPoly.Count() )
{
PolyPolygon aPolyPoly( LogicToPixel( rPolyPoly ) );
GDIMetaFile* pOldMetaFile = mpMetaFile;
BOOL bOldMap = mbMap;
aPolyPoly.Optimize( POLY_OPTIMIZE_NO_SAME );
aHatch.SetDistance( ImplLogicWidthToDevicePixel( aHatch.GetDistance() ) );
mpMetaFile = NULL;
EnableMapMode( FALSE );
Push( PUSH_LINECOLOR );
SetLineColor( aHatch.GetColor() );
ImplInitLineColor();
ImplDrawHatch( aPolyPoly, aHatch, FALSE );
Pop();
EnableMapMode( bOldMap );
mpMetaFile = pOldMetaFile;
}
if( mpAlphaVDev )
mpAlphaVDev->DrawHatch( rPolyPoly, rHatch );
}
// -----------------------------------------------------------------------
void OutputDevice::AddHatchActions( const PolyPolygon& rPolyPoly, const Hatch& rHatch,
GDIMetaFile& rMtf )
{
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
PolyPolygon aPolyPoly( rPolyPoly );
aPolyPoly.Optimize( POLY_OPTIMIZE_NO_SAME | POLY_OPTIMIZE_CLOSE );
if( aPolyPoly.Count() )
{
GDIMetaFile* pOldMtf = mpMetaFile;
mpMetaFile = &rMtf;
mpMetaFile->AddAction( new MetaPushAction( PUSH_ALL ) );
mpMetaFile->AddAction( new MetaLineColorAction( rHatch.GetColor(), TRUE ) );
ImplDrawHatch( aPolyPoly, rHatch, TRUE );
mpMetaFile->AddAction( new MetaPopAction() );
mpMetaFile = pOldMtf;
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawHatch( const PolyPolygon& rPolyPoly, const Hatch& rHatch, BOOL bMtf )
{
Rectangle aRect( rPolyPoly.GetBoundRect() );
const long nLogPixelWidth = ImplDevicePixelToLogicWidth( 1 );
const long nWidth = ImplDevicePixelToLogicWidth( Max( ImplLogicWidthToDevicePixel( rHatch.GetDistance() ), 3L ) );
Point* pPtBuffer = new Point[ HATCH_MAXPOINTS ];
Point aPt1, aPt2, aEndPt1;
Size aInc;
// Single hatch
aRect.Left() -= nLogPixelWidth; aRect.Top() -= nLogPixelWidth; aRect.Right() += nLogPixelWidth; aRect.Bottom() += nLogPixelWidth;
ImplCalcHatchValues( aRect, nWidth, rHatch.GetAngle(), aPt1, aPt2, aInc, aEndPt1 );
do
{
ImplDrawHatchLine( Line( aPt1, aPt2 ), rPolyPoly, pPtBuffer, bMtf );
aPt1.X() += aInc.Width(); aPt1.Y() += aInc.Height();
aPt2.X() += aInc.Width(); aPt2.Y() += aInc.Height();
}
while( ( aPt1.X() <= aEndPt1.X() ) && ( aPt1.Y() <= aEndPt1.Y() ) );
if( ( rHatch.GetStyle() == HATCH_DOUBLE ) || ( rHatch.GetStyle() == HATCH_TRIPLE ) )
{
// Double hatch
ImplCalcHatchValues( aRect, nWidth, rHatch.GetAngle() + 900, aPt1, aPt2, aInc, aEndPt1 );
do
{
ImplDrawHatchLine( Line( aPt1, aPt2 ), rPolyPoly, pPtBuffer, bMtf );
aPt1.X() += aInc.Width(); aPt1.Y() += aInc.Height();
aPt2.X() += aInc.Width(); aPt2.Y() += aInc.Height();
}
while( ( aPt1.X() <= aEndPt1.X() ) && ( aPt1.Y() <= aEndPt1.Y() ) );
if( rHatch.GetStyle() == HATCH_TRIPLE )
{
// Triple hatch
ImplCalcHatchValues( aRect, nWidth, rHatch.GetAngle() + 450, aPt1, aPt2, aInc, aEndPt1 );
do
{
ImplDrawHatchLine( Line( aPt1, aPt2 ), rPolyPoly, pPtBuffer, bMtf );
aPt1.X() += aInc.Width(); aPt1.Y() += aInc.Height();
aPt2.X() += aInc.Width(); aPt2.Y() += aInc.Height();
}
while( ( aPt1.X() <= aEndPt1.X() ) && ( aPt1.Y() <= aEndPt1.Y() ) );
}
}
delete[] pPtBuffer;
}
// -----------------------------------------------------------------------
void OutputDevice::ImplCalcHatchValues( const Rectangle& rRect, long nDist, USHORT nAngle10,
Point& rPt1, Point& rPt2, Size& rInc, Point& rEndPt1 )
{
Point aRef;
long nAngle = nAngle10 % 1800;
long nOffset = 0;
if( nAngle > 900 )
nAngle -= 1800;
aRef = ( !IsRefPoint() ? rRect.TopLeft() : GetRefPoint() );
if( 0 == nAngle )
{
rInc = Size( 0, nDist );
rPt1 = rRect.TopLeft();
rPt2 = rRect.TopRight();
rEndPt1 = rRect.BottomLeft();
if( aRef.Y() <= rRect.Top() )
nOffset = ( ( rRect.Top() - aRef.Y() ) % nDist );
else
nOffset = ( nDist - ( ( aRef.Y() - rRect.Top() ) % nDist ) );
rPt1.Y() -= nOffset;
rPt2.Y() -= nOffset;
}
else if( 900 == nAngle )
{
rInc = Size( nDist, 0 );
rPt1 = rRect.TopLeft();
rPt2 = rRect.BottomLeft();
rEndPt1 = rRect.TopRight();
if( aRef.X() <= rRect.Left() )
nOffset = ( rRect.Left() - aRef.X() ) % nDist;
else
nOffset = nDist - ( ( aRef.X() - rRect.Left() ) % nDist );
rPt1.X() -= nOffset;
rPt2.X() -= nOffset;
}
else if( nAngle >= -450 && nAngle <= 450 )
{
const double fAngle = F_PI1800 * labs( nAngle );
const double fTan = tan( fAngle );
const long nYOff = FRound( ( rRect.Right() - rRect.Left() ) * fTan );
long nPY;
rInc = Size( 0, nDist = FRound( nDist / cos( fAngle ) ) );
if( nAngle > 0 )
{
rPt1 = rRect.TopLeft();
rPt2 = Point( rRect.Right(), rRect.Top() - nYOff );
rEndPt1 = Point( rRect.Left(), rRect.Bottom() + nYOff );
nPY = FRound( aRef.Y() - ( ( rPt1.X() - aRef.X() ) * fTan ) );
}
else
{
rPt1 = rRect.TopRight();
rPt2 = Point( rRect.Left(), rRect.Top() - nYOff );
rEndPt1 = Point( rRect.Right(), rRect.Bottom() + nYOff );
nPY = FRound( aRef.Y() + ( ( rPt1.X() - aRef.X() ) * fTan ) );
}
if( nPY <= rPt1.Y() )
nOffset = ( rPt1.Y() - nPY ) % nDist;
else
nOffset = nDist - ( ( nPY - rPt1.Y() ) % nDist );
rPt1.Y() -= nOffset;
rPt2.Y() -= nOffset;
}
else
{
const double fAngle = F_PI1800 * labs( nAngle );
const double fTan = tan( fAngle );
const long nXOff = FRound( ( rRect.Bottom() - rRect.Top() ) / fTan );
long nPX;
rInc = Size( nDist = FRound( nDist / sin( fAngle ) ), 0 );
if( nAngle > 0 )
{
rPt1 = rRect.TopLeft();
rPt2 = Point( rRect.Left() - nXOff, rRect.Bottom() );
rEndPt1 = Point( rRect.Right() + nXOff, rRect.Top() );
nPX = FRound( aRef.X() - ( ( rPt1.Y() - aRef.Y() ) / fTan ) );
}
else
{
rPt1 = rRect.BottomLeft();
rPt2 = Point( rRect.Left() - nXOff, rRect.Top() );
rEndPt1 = Point( rRect.Right() + nXOff, rRect.Bottom() );
nPX = FRound( aRef.X() + ( ( rPt1.Y() - aRef.Y() ) / fTan ) );
}
if( nPX <= rPt1.X() )
nOffset = ( rPt1.X() - nPX ) % nDist;
else
nOffset = nDist - ( ( nPX - rPt1.X() ) % nDist );
rPt1.X() -= nOffset;
rPt2.X() -= nOffset;
}
}
// ------------------------------------------------------------------------
void OutputDevice::ImplDrawHatchLine( const Line& rLine, const PolyPolygon& rPolyPoly,
Point* pPtBuffer, BOOL bMtf )
{
double fX, fY;
long nAdd, nPCounter = 0;
for( long nPoly = 0, nPolyCount = rPolyPoly.Count(); nPoly < nPolyCount; nPoly++ )
{
const Polygon& rPoly = rPolyPoly[ (USHORT) nPoly ];
if( rPoly.GetSize() > 1 )
{
Line aCurSegment( rPoly[ 0 ], Point() );
for( long i = 1, nCount = rPoly.GetSize(); i <= nCount; i++ )
{
aCurSegment.SetEnd( rPoly[ (USHORT)( i % nCount ) ] );
nAdd = 0;
if( rLine.Intersection( aCurSegment, fX, fY ) )
{
if( ( fabs( fX - aCurSegment.GetStart().X() ) <= 0.0000001 ) &&
( fabs( fY - aCurSegment.GetStart().Y() ) <= 0.0000001 ) )
{
const Line aPrevSegment( rPoly[ (USHORT)( ( i > 1 ) ? ( i - 2 ) : ( nCount - 1 ) ) ], aCurSegment.GetStart() );
const double fPrevDistance = rLine.GetDistance( aPrevSegment.GetStart() );
const double fCurDistance = rLine.GetDistance( aCurSegment.GetEnd() );
if( ( fPrevDistance <= 0.0 && fCurDistance > 0.0 ) ||
( fPrevDistance > 0.0 && fCurDistance < 0.0 ) )
{
nAdd = 1;
}
}
else if( ( fabs( fX - aCurSegment.GetEnd().X() ) <= 0.0000001 ) &&
( fabs( fY - aCurSegment.GetEnd().Y() ) <= 0.0000001 ) )
{
const Line aNextSegment( aCurSegment.GetEnd(), rPoly[ (USHORT)( ( i + 1 ) % nCount ) ] );
if( ( fabs( rLine.GetDistance( aNextSegment.GetEnd() ) ) <= 0.0000001 ) &&
( rLine.GetDistance( aCurSegment.GetStart() ) > 0.0 ) )
{
nAdd = 1;
}
}
else
nAdd = 1;
if( nAdd )
pPtBuffer[ nPCounter++ ] = Point( FRound( fX ), FRound( fY ) );
}
aCurSegment.SetStart( aCurSegment.GetEnd() );
}
}
}
if( nPCounter > 1 )
{
qsort( pPtBuffer, nPCounter, sizeof( Point ), ImplHatchCmpFnc );
if( nPCounter & 1 )
nPCounter--;
if( bMtf )
{
for( long i = 0; i < nPCounter; i += 2 )
mpMetaFile->AddAction( new MetaLineAction( pPtBuffer[ i ], pPtBuffer[ i + 1 ] ) );
}
else
{
for( long i = 0; i < nPCounter; i += 2 )
{
if( mpPDFWriter )
{
mpPDFWriter->drawLine( pPtBuffer[ i ], pPtBuffer[ i+1 ] );
}
else
{
const Point aPt1( ImplLogicToDevicePixel( pPtBuffer[ i ] ) );
const Point aPt2( ImplLogicToDevicePixel( pPtBuffer[ i + 1 ] ) );
mpGraphics->DrawLine( aPt1.X(), aPt1.Y(), aPt2.X(), aPt2.Y(), this );
}
}
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */