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libreoffice/vcl/source/gdi/outdev4.cxx

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initial import
2000-09-18 16:07:07 +00:00
/*************************************************************************
*
* $RCSfile: outdev4.cxx,v $
*
optimized hatch output
2001-03-16 16:56:44 +00:00
* $Revision: 1.2 $
initial import
2000-09-18 16:07:07 +00:00
*
optimized hatch output
2001-03-16 16:56:44 +00:00
* last change: $Author: ka $ $Date: 2001-03-16 17:56:44 $
initial import
2000-09-18 16:07:07 +00:00
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#define _SV_OUTDEV_CXX
#include <math.h>
#ifndef REMOTE_APPSERVER
#ifndef _SV_SVSYS_HXX
#include <svsys.h>
#endif
#endif
#ifndef REMOTE_APPSERVER
#ifndef _SV_SALGDI_HXX
#include <salgdi.hxx>
#endif
#else
#ifndef _SV_RMOUTDEV_HXX
#include <rmoutdev.hxx>
#endif
#endif
#ifndef _DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _SV_SVDATA_HXX
#include <svdata.hxx>
#endif
#ifndef _SV_GRADIENT_HXX
#include <gradient.hxx>
#endif
#ifndef _SV_METAACT_HXX
#include <metaact.hxx>
#endif
#ifndef _SV_GDIMTF_HXX
#include <gdimtf.hxx>
#endif
#ifndef _SV_OUTDATA_HXX
#include <outdata.hxx>
#endif
#ifndef _SV_POLY_H
#include <poly.h>
#endif
#ifndef _SV_POLY_HXX
#include <poly.hxx>
#endif
#ifndef _SV_SALBTYPE_HXX
#include <salbtype.hxx>
#endif
#ifndef _SV_LINE_HXX
#include <line.hxx>
#endif
#ifndef _SV_HATCH_HXX
#include <hatch.hxx>
#endif
#ifndef _SV_WINDOW_HXX
#include <window.hxx>
#endif
#ifndef _SV_VIRDEV_HXX
#include <virdev.hxx>
#endif
#ifndef _SV_OUTDEV_HXX
#include <outdev.hxx>
#endif
// -----------
// - 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 );
// =======================================================================
#ifndef REMOTE_APPSERVER
void OutputDevice::ImplDrawPolygon( const Polygon& rPoly )
{
USHORT nPoints = rPoly.GetSize();
if ( nPoints < 2 )
return;
const SalPoint* pPtAry = (const SalPoint*)rPoly.ImplGetConstPointAry();
mpGraphics->DrawPolygon( nPoints, pPtAry );
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawPolyPolygon( const PolyPolygon& rPolyPoly )
{
USHORT nPoly = rPolyPoly.Count();
if ( !nPoly )
return;
if ( nPoly == 1 )
{
const Polygon rPoly = rPolyPoly.GetObject( 0 );
USHORT nSize = rPoly.GetSize();
if ( nSize >= 2 )
{
const SalPoint* pPtAry = (const SalPoint*)rPoly.ImplGetConstPointAry();
mpGraphics->DrawPolygon( nSize, pPtAry );
}
}
else
{
ULONG* pPointAry = new ULONG[nPoly];
PCONSTSALPOINT* pPointAryAry = new PCONSTSALPOINT[nPoly];
USHORT i = 0;
do
{
const Polygon& rPoly = rPolyPoly.GetObject( i );
USHORT nSize = rPoly.GetSize();
if ( nSize )
{
pPointAry[i] = nSize;
pPointAryAry[i] = (PCONSTSALPOINT)rPoly.ImplGetConstPointAry();
i++;
}
else
nPoly--;
}
while ( i < nPoly );
if ( nPoly == 1 )
mpGraphics->DrawPolygon( *pPointAry, *pPointAryAry );
else
mpGraphics->DrawPolyPolygon( nPoly, pPointAry, pPointAryAry );
delete pPointAry;
delete pPointAryAry;
}
}
#endif
// -----------------------------------------------------------------------
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 )
{
// rotiertes BoundRect ausrechnen
Rectangle aRect = rRect;
aRect.Left()--;
aRect.Top()--;
aRect.Right()++;
aRect.Bottom()++;
USHORT nAngle = rGradient.GetAngle();
double fAngle = (nAngle % 3600) * F_PI1800;
double fWidth = aRect.GetWidth();
double fHeight = aRect.GetHeight();
double fDX = fWidth * fabs( cos( fAngle ) ) +
fHeight * fabs( sin( fAngle ) );
double fDY = fHeight * fabs( cos( fAngle ) ) +
fWidth * fabs( sin( fAngle ) );
fDX = (fDX - fWidth) * 0.5 + 0.5;
fDY = (fDY - fHeight) * 0.5 + 0.5;
aRect.Left() -= (long)fDX;
aRect.Right() += (long)fDX;
aRect.Top() -= (long)fDY;
aRect.Bottom() += (long)fDY;
// Rand berechnen und Rechteck neu setzen
Point aCenter = rRect.Center();
Rectangle aFullRect = aRect;
long nBorder = (long)rGradient.GetBorder() * aRect.GetHeight() / 100;
BOOL bLinear;
// Rand berechnen und Rechteck neu setzen fuer linearen Farbverlauf
if ( rGradient.GetStyle() == GRADIENT_LINEAR )
{
bLinear = TRUE;
aRect.Top() += nBorder;
}
// Rand berechnen und Rechteck neu setzen fuer axiale Farbverlauf
else
{
bLinear = FALSE;
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;
// 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
USHORT nStepCount = rGradient.GetSteps();
if ( !nStepCount )
{
long nInc;
if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
nInc = (nMinRect < 50) ? 2 : 4;
else
nInc = ((nMinRect >> 9) + 1) << 3;
if ( !nInc )
nInc = 1;
nStepCount = (USHORT)(nMinRect / nInc);
}
// minimal drei Schritte und maximal die Anzahl der Farbunterschiede
long nSteps = Max( nStepCount, (USHORT)3 );
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;
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 ) );
#ifndef REMOTE_APPSERVER
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
#endif
// 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 ) );
#ifndef REMOTE_APPSERVER
else
ImplDrawPolygon( aPoly );
#endif
// 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
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 ) );
#ifndef REMOTE_APPSERVER
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
#endif
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawRadialGradient( const Rectangle& rRect,
const Gradient& rGradient,
BOOL bMtf )
{
// 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;
if ( (meRasterOp != ROP_OVERPAINT) || (meOutDevType != OUTDEV_WINDOW) || bMtf )
pPolyPoly = new PolyPolygon( 2 );
else
pPolyPoly = NULL;
// Radien-Berechnung fuer Kreisausgabe (Kreis schliesst Rechteck ein)
USHORT nAngle = rGradient.GetAngle();
Rectangle aFullRect = rRect;
Rectangle aRect = rRect;
long nZWidth = aRect.GetWidth() * (long)rGradient.GetOfsX() / 100;
long nZHeight= aRect.GetHeight() * (long)rGradient.GetOfsY() / 100;
Size aSize = aRect.GetSize();
Point aCenter( aRect.Left() + nZWidth, aRect.Top() + nZHeight );
if ( rGradient.GetStyle() == GRADIENT_RADIAL )
{
aSize.Width() = (long)(0.5 + sqrt((double)aSize.Width()*(double)aSize.Width() +
(double)aSize.Height()*(double)aSize.Height()));
aSize.Height() = aSize.Width();
}
// Radien-Berechnung fuer Ellipse
else
{
aSize.Width() = (long)(0.5 + (double)aSize.Width() * 1.4142);
aSize.Height() = (long)(0.5 + (double)aSize.Height() * 1.4142);
}
// Border berechnen
long nBorderX = (long)rGradient.GetBorder() * aSize.Width() / 100;
long nBorderY = (long)rGradient.GetBorder() * aSize.Height() / 100;
aSize.Width() -= nBorderX;
aSize.Height() -= nBorderY;
aRect.Left() = aCenter.X() - (aSize.Width() >> 1);
aRect.Top() = aCenter.Y() - (aSize.Height() >> 1);
aRect.SetSize( aSize );
long nMinRect = Min( aRect.GetWidth(), 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;
// Anzahl der Schritte berechnen, falls nichts uebergeben wurde
USHORT nStepCount = rGradient.GetSteps();
if ( !nStepCount )
{
long nInc;
if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
nInc = (nMinRect < 50) ? 2 : 4;
else
nInc = ((nMinRect >> 9) + 1) << 3;
if ( !nInc )
nInc = 1;
nStepCount = (USHORT)(nMinRect / nInc);
}
// minimal drei Schritte und maximal die Anzahl der Farbunterschiede
long nSteps = Max( nStepCount, (USHORT)3 );
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
double fScanLeft = aRect.Left();
double fScanTop = aRect.Top();
double fScanRight = aRect.Right();
double fScanBottom = aRect.Bottom();
double fScanInc = (double)nMinRect / (double)nSteps * 0.5;
// Startfarbe berechnen und setzen
UINT8 nRed = (UINT8)nStartRed;
UINT8 nGreen = (UINT8)nStartGreen;
UINT8 nBlue = (UINT8)nStartBlue;
if ( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
#ifndef REMOTE_APPSERVER
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
#endif
// Recteck erstmal ausgeben
aFullRect.Bottom()++;
aFullRect.Right()++;
Polygon aPoly( aFullRect );
#ifndef REMOTE_APPSERVER
if ( pPolyPoly )
{
pPolyPoly->Insert( aPoly );
aPoly = Polygon( aRect );
aPoly.Rotate( aCenter, nAngle );
pPolyPoly->Insert( aPoly );
// erstes Polygon zeichnen (entspricht Rechteck)
if ( bMtf )
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
else
ImplDrawPolyPolygon( *pPolyPoly );
}
else
ImplDrawPolygon( aPoly );
#else
pPolyPoly->Insert( aPoly );
aPoly = Polygon( aRect );
aPoly.Rotate( aCenter, nAngle );
pPolyPoly->Insert( aPoly );
// erstes Polygon zeichnen (entspricht Rechteck)
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
#endif
// Schleife, um nacheinander die Polygone/PolyPolygone auszugeben
for ( long i = 0; 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;
// ... Evt. eine maximale Anzahl von Stuetztstellen fuer W16
aPoly = Polygon( aRect.Center(),
aRect.GetWidth() >> 1,
aRect.GetHeight() >> 1 );
aPoly.Rotate( aCenter, nAngle );
// entweder langsame PolyPolygon-Ausgaben oder
// schnelles Polygon-Painting
#ifndef REMOTE_APPSERVER
if ( pPolyPoly )
{
pPolyPoly->Replace( pPolyPoly->GetObject( 1 ), 0 );
pPolyPoly->Replace( aPoly, 1 );
if ( bMtf )
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
else
ImplDrawPolyPolygon( *pPolyPoly );
}
else
ImplDrawPolygon( aPoly );
#else
pPolyPoly->Replace( pPolyPoly->GetObject( 1 ), 0 );
pPolyPoly->Replace( aPoly, 1 );
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
#endif
// Farbe entsprechend anpassen
nRed = ImplGetGradientColorValue( nStartRed+((nRedSteps*i)/nSteps) );
nGreen = ImplGetGradientColorValue( nStartGreen+((nGreenSteps*i)/nSteps) );
nBlue = ImplGetGradientColorValue( nStartBlue+((nBlueSteps*i)/nSteps) );
if ( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
#ifndef REMOTE_APPSERVER
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
#endif
}
// Falls PolyPolygon-Ausgabe, muessen wir noch ein letztes
// inneres Polygon zeichnen
if ( pPolyPoly )
{
const Polygon rPoly = pPolyPoly->GetObject( 1 );
if ( !rPoly.GetBoundRect().IsEmpty() )
{
if ( bMtf )
mpMetaFile->AddAction( new MetaPolygonAction( rPoly ) );
#ifndef REMOTE_APPSERVER
else
ImplDrawPolygon( rPoly );
#endif
}
delete pPolyPoly;
}
}
// -----------------------------------------------------------------------
void OutputDevice::ImplDrawRectGradient( const Rectangle& rRect,
const Gradient& rGradient,
BOOL bMtf )
{
// 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;
if ( (meRasterOp != ROP_OVERPAINT) || (meOutDevType != OUTDEV_WINDOW) || bMtf )
pPolyPoly = new PolyPolygon( 2 );
else
pPolyPoly = NULL;
// rotiertes BoundRect ausrechnen
Rectangle aRect( rRect );
aRect.Left()--;
aRect.Top()--;
aRect.Right()++;
aRect.Bottom()++;
Rectangle aFullRect( aRect );
USHORT nAngle = rGradient.GetAngle();
double fAngle = (nAngle % 3600) * F_PI1800;
double fWidth = aRect.GetWidth();
double fHeight = aRect.GetHeight();
double fDX = fWidth * fabs( cos( fAngle ) ) +
fHeight * fabs( sin( fAngle ) );
double fDY = fHeight * fabs( cos( fAngle ) ) +
fWidth * fabs( sin( fAngle ) );
fDX = (fDX - fWidth) * 0.5 + 0.5;
fDY = (fDY - fHeight) * 0.5 + 0.5;
aRect.Left() -= (long)fDX;
aRect.Right() += (long)fDX;
aRect.Top() -= (long)fDY;
aRect.Bottom() += (long)fDY;
// Quadratisch machen, wenn angefordert;
Size aSize = aRect.GetSize();
if ( rGradient.GetStyle() == GRADIENT_SQUARE )
{
if ( aSize.Width() > aSize.Height() )
aSize.Height() = aSize.Width();
else
aSize.Width() = aSize.Height();
}
// neue Mittelpunkte berechnen
long nZWidth = aRect.GetWidth() * (long)rGradient.GetOfsX() / 100;
long nZHeight = aRect.GetHeight() * (long)rGradient.GetOfsY() / 100;
long nBorderX = (long)rGradient.GetBorder() * aSize.Width() / 100;
long nBorderY = (long)rGradient.GetBorder() * aSize.Height() / 100;
Point aCenter( aRect.Left() + nZWidth, aRect.Top() + nZHeight );
// Rand beruecksichtigen
aSize.Width() -= nBorderX;
aSize.Height() -= nBorderY;
// Ausgaberechteck neu setzen
aRect.Left() = aCenter.X() - (aSize.Width() >> 1);
aRect.Top() = aCenter.Y() - (aSize.Height() >> 1);
aRect.SetSize( aSize );
long nMinRect = Min( aRect.GetWidth(), 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;
// Anzahl der Schritte berechnen, falls nichts uebergeben wurde
USHORT nStepCount = rGradient.GetSteps();
if ( !nStepCount )
{
long nInc;
if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
nInc = (nMinRect < 50) ? 2 : 4;
else
nInc = ((nMinRect >> 9) + 1) << 3;
if ( !nInc )
nInc = 1;
nStepCount = (USHORT)(nMinRect / nInc);
}
// minimal drei Schritte und maximal die Anzahl der Farbunterschiede
long nSteps = Max( nStepCount, (USHORT)3 );
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
double fScanLeft = aRect.Left();
double fScanTop = aRect.Top();
double fScanRight = aRect.Right();
double fScanBottom = aRect.Bottom();
double fScanInc = (double)nMinRect / (double)nSteps * 0.5;
// Startfarbe berechnen und setzen
UINT8 nRed = (UINT8)nStartRed;
UINT8 nGreen = (UINT8)nStartGreen;
UINT8 nBlue = (UINT8)nStartBlue;
if ( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
#ifndef REMOTE_APPSERVER
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
#endif
// Recteck erstmal ausgeben
Polygon aPoly( aFullRect );
#ifndef REMOTE_APPSERVER
if ( pPolyPoly )
{
pPolyPoly->Insert( aPoly );
aPoly = Polygon( aRect );
aPoly.Rotate( aCenter, nAngle );
pPolyPoly->Insert( aPoly );
// erstes Polygon zeichnen (entspricht Rechteck)
if ( bMtf )
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
else
ImplDrawPolyPolygon( *pPolyPoly );
}
else
ImplDrawPolygon( aPoly );
#else
pPolyPoly->Insert( aPoly );
aPoly = Polygon( aRect );
aPoly.Rotate( aCenter, nAngle );
pPolyPoly->Insert( aPoly );
// erstes Polygon zeichnen (entspricht Rechteck)
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
#endif
// Schleife, um nacheinander die Polygone/PolyPolygone auszugeben
for ( long i = 0; 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;
aPoly = Polygon( aRect );
aPoly.Rotate( aCenter, nAngle );
#ifndef REMOTE_APPSERVER
// entweder langsame PolyPolygon-Ausgaben oder
// schnelles Polygon-Painting
if ( pPolyPoly )
{
pPolyPoly->Replace( pPolyPoly->GetObject( 1 ), 0 );
pPolyPoly->Replace( aPoly, 1 );
if ( bMtf )
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
else
ImplDrawPolyPolygon( *pPolyPoly );
}
else
ImplDrawPolygon( aPoly );
#else
pPolyPoly->Replace( pPolyPoly->GetObject( 1 ), 0 );
pPolyPoly->Replace( aPoly, 1 );
mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
#endif
// Farbe entsprechend anpassen
nRed = ImplGetGradientColorValue( nStartRed+((nRedSteps*i)/nSteps) );
nGreen = ImplGetGradientColorValue( nStartGreen+((nGreenSteps*i)/nSteps) );
nBlue = ImplGetGradientColorValue( nStartBlue+((nBlueSteps*i)/nSteps) );
if ( bMtf )
mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
#ifndef REMOTE_APPSERVER
else
mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
#endif
}
// Falls PolyPolygon-Ausgabe, muessen wir noch ein letztes
// inneres Polygon zeichnen
if ( pPolyPoly )
{
const Polygon rPoly = pPolyPoly->GetObject( 1 );
if ( !rPoly.GetBoundRect().IsEmpty() )
{
if ( bMtf )
mpMetaFile->AddAction( new MetaPolygonAction( rPoly ) );
#ifndef REMOTE_APPSERVER
else
ImplDrawPolygon( rPoly );
#endif
}
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 ) )
{
BYTE cCmpVal;
if ( mnDrawMode & DRAWMODE_BLACKGRADIENT )
cCmpVal = ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT ) ? 0x80 : 0;
else
cCmpVal = 255;
Color aCol( cCmpVal, cCmpVal, cCmpVal );
Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
SetLineColor( aCol );
SetFillColor( aCol );
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() )
return;
// Rechteck in Pixel umrechnen
Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
aRect.Justify();
// Wenn Rechteck leer ist, brauchen wir nichts machen
if ( !aRect.IsEmpty() )
{
#ifndef REMOTE_APPSERVER
// Clip Region sichern
Push( PUSH_CLIPREGION );
IntersectClipRegion( rRect );
// 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 );
// Farbverlauf ausgeben
switch( aGradient.GetStyle() )
{
case GRADIENT_LINEAR:
case GRADIENT_AXIAL:
ImplDrawLinearGradient( aRect, aGradient, FALSE );
break;
case GRADIENT_RADIAL:
case GRADIENT_ELLIPTICAL:
ImplDrawRadialGradient( aRect, aGradient, FALSE );
break;
case GRADIENT_SQUARE:
case GRADIENT_RECT:
ImplDrawRectGradient( aRect, aGradient, FALSE );
break;
}
}
Pop();
#else
ImplServerGraphics* pGraphics = ImplGetServerGraphics();
if ( pGraphics )
pGraphics->DrawGradient( aRect, aGradient );
#endif
}
}
// -----------------------------------------------------------------------
void OutputDevice::DrawGradient( const PolyPolygon& rPolyPoly,
const Gradient& rGradient )
{
DBG_TRACE( "OutputDevice::DrawGradient()" );
DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
DBG_CHKOBJ( &rGradient, Gradient, NULL );
if( rPolyPoly.Count() && rPolyPoly[ 0 ].GetSize() && !( mnDrawMode & DRAWMODE_NOGRADIENT ) )
{
if( mnDrawMode & ( DRAWMODE_BLACKGRADIENT | DRAWMODE_WHITEGRADIENT ) )
{
BYTE cCmpVal;
if ( mnDrawMode & DRAWMODE_BLACKGRADIENT )
cCmpVal = ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT ) ? 0x80 : 0;
else
cCmpVal = 255;
Color aCol( cCmpVal, cCmpVal, cCmpVal );
Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
SetLineColor( aCol );
SetFillColor( aCol );
DrawPolyPolygon( rPolyPoly );
Pop();
return;
}
if( mpMetaFile )
{
const Rectangle aRect( rPolyPoly.GetBoundRect() );
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 );
}
}
if( !IsDeviceOutputNecessary() )
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 );
}
#ifndef REMOTE_APPSERVER
if( OUTDEV_PRINTER == meOutDevType )
{
Push( PUSH_CLIPREGION );
IntersectClipRegion( rPolyPoly );
DrawGradient( rPolyPoly.GetBoundRect(), aGradient );
Pop();
}
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 aVDev;
const Size aDstSize( aDstRect.GetSize() );
if( aVDev.SetOutputSizePixel( aDstSize) )
{
MapMode aVDevMap;
const RasterOp eOldROP = GetRasterOp();
const BOOL bOldMap = mbMap;
mbMap = FALSE;
aVDev.DrawOutDev( Point(), aDstSize, aDstRect.TopLeft(), aDstSize, *this );
DrawGradient( aBoundRect, aGradient );
aVDev.SetRasterOp( ROP_XOR );
aVDev.DrawOutDev( Point(), aDstSize, aDstRect.TopLeft(), aDstSize, *this );
aVDev.SetFillColor( COL_BLACK );
aVDev.SetRasterOp( ROP_0 );
aVDevMap.SetOrigin( Point( -aDstRect.Left(), -aDstRect.Top() ) );
aVDev.SetMapMode( aVDevMap );
aVDev.DrawPolyPolygon( aPolyPoly );
aVDevMap.SetOrigin( Point() );
aVDev.SetMapMode( aVDevMap );
SetRasterOp( ROP_XOR );
DrawOutDev( aDstRect.TopLeft(), aDstSize, Point(), aDstSize, aVDev );
SetRasterOp( eOldROP );
mbMap = bOldMap;
}
}
}
#else
ImplServerGraphics* pGraphics = ImplGetServerGraphics();
if ( pGraphics )
pGraphics->DrawGradient( ImplLogicToDevicePixel( rPolyPoly ), aGradient );
#endif
}
}
// -----------------------------------------------------------------------
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 ) );
// calculate step count if neccessary
if ( !aGradient.GetSteps() )
aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
// Farbverlaufactions aufzeichnen
switch( rGradient.GetStyle() )
{
case GRADIENT_LINEAR:
case GRADIENT_AXIAL:
ImplDrawLinearGradient( aRect, aGradient, TRUE );
break;
case GRADIENT_RADIAL:
case GRADIENT_ELLIPTICAL:
ImplDrawRadialGradient( aRect, aGradient, TRUE );
break;
case GRADIENT_SQUARE:
case GRADIENT_RECT:
ImplDrawRectGradient( aRect, aGradient, TRUE );
break;
}
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 ) )
{
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 );
}
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() )
return;
#ifndef REMOTE_APPSERVER
if( !mpGraphics && !ImplGetGraphics() )
return;
if( mbInitClipRegion )
ImplInitClipRegion();
if( mbOutputClipped )
return;
#endif
optimized hatch output
2001-03-16 16:56:44 +00:00
if( rPolyPoly.Count() )
initial import
2000-09-18 16:07:07 +00:00
{
#ifndef REMOTE_APPSERVER
optimized hatch output
2001-03-16 16:56:44 +00:00
PolyPolygon aPolyPoly( LogicToPixel( rPolyPoly ) );
GDIMetaFile* pOldMetaFile = mpMetaFile;
BOOL bOldMap = mbMap;
aPolyPoly.Optimize( POLY_OPTIMIZE_NO_SAME );
aHatch.SetDistance( ImplLogicWidthToDevicePixel( aHatch.GetDistance() ) );
initial import
2000-09-18 16:07:07 +00:00
mpMetaFile = NULL;
optimized hatch output
2001-03-16 16:56:44 +00:00
mbMap = FALSE;
initial import
2000-09-18 16:07:07 +00:00
Push( PUSH_LINECOLOR );
SetLineColor( aHatch.GetColor() );
ImplInitLineColor();
ImplDrawHatch( aPolyPoly, aHatch, FALSE );
Pop();
optimized hatch output
2001-03-16 16:56:44 +00:00
mbMap = bOldMap;
initial import
2000-09-18 16:07:07 +00:00
mpMetaFile = pOldMetaFile;
#else
ImplServerGraphics* pGraphics = ImplGetServerGraphics();
if ( pGraphics )
{
optimized hatch output
2001-03-16 16:56:44 +00:00
PolyPolygon aPolyPoly( ImplLogicToDevicePixel( rPolyPoly ) );
aPolyPoly.Optimize( POLY_OPTIMIZE_NO_SAME );
initial import
2000-09-18 16:07:07 +00:00
aHatch.SetDistance( ImplLogicWidthToDevicePixel( aHatch.GetDistance() ) );
optimized hatch output
2001-03-16 16:56:44 +00:00
pGraphics->DrawHatch( aPolyPoly, aHatch );
initial import
2000-09-18 16:07:07 +00:00
}
#endif
}
}
// -----------------------------------------------------------------------
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() ), 5L ) );
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 )
{
optimized hatch output
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double fX, fY;
long nAdd, nPCounter = 0;
initial import
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for( long nPoly = 0, nPolyCount = rPolyPoly.Count(); nPoly < nPolyCount; nPoly++ )
{
optimized hatch output
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const Polygon& rPoly = rPolyPoly[ (USHORT) nPoly ];
initial import
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if( rPoly.GetSize() > 1 )
{
Point aIntersection;
optimized hatch output
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Line aCurSegment( rPoly[ 0 ], Point() );
initial import
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optimized hatch output
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for( long i = 1, nCount = rPoly.GetSize(); i <= nCount; i++ )
initial import
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{
optimized hatch output
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aCurSegment.SetEnd( rPoly[ (USHORT)( i % nCount ) ] );
nAdd = 0;
initial import
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optimized hatch output
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if( rLine.Intersection( aCurSegment, fX, fY ) )
initial import
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{
optimized hatch output
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if( ( fabs( fX - aCurSegment.GetStart().X() ) <= 0.0000001 ) &&
( fabs( fY - aCurSegment.GetStart().Y() ) <= 0.0000001 ) )
initial import
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{
optimized hatch output
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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() );
initial import
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optimized hatch output
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if( ( fPrevDistance <= 0.0 && fCurDistance > 0.0 ) ||
( fPrevDistance > 0.0 && fCurDistance < 0.0 ) )
initial import
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{
optimized hatch output
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nAdd = 1;
initial import
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}
}
optimized hatch output
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else if( ( fabs( fX - aCurSegment.GetEnd().X() ) <= 0.0000001 ) &&
( fabs( fY - aCurSegment.GetEnd().Y() ) <= 0.0000001 ) )
initial import
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{
optimized hatch output
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const Line aNextSegment( aCurSegment.GetEnd(), rPoly[ (USHORT)( ( i + 1 ) % nCount ) ] );
initial import
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optimized hatch output
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if( ( fabs( rLine.GetDistance( aNextSegment.GetEnd() ) ) <= 0.0000001 ) &&
( rLine.GetDistance( aCurSegment.GetStart() ) > 0.0 ) )
initial import
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{
optimized hatch output
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nAdd = 1;
initial import
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}
}
else
optimized hatch output
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nAdd = 1;
if( nAdd )
pPtBuffer[ nPCounter++ ] = Point( FRound( fX ), FRound( fY ) );
initial import
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}
optimized hatch output
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aCurSegment.SetStart( aCurSegment.GetEnd() );
initial import
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}
}
}
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
{
optimized hatch output
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#ifndef REMOTE_APPSERVER
initial import
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for( long i = 0; i < nPCounter; i += 2 )
{
const Point aPt1( ImplLogicToDevicePixel( pPtBuffer[ i ] ) );
const Point aPt2( ImplLogicToDevicePixel( pPtBuffer[ i + 1 ] ) );
mpGraphics->DrawLine( aPt1.X(), aPt1.Y(), aPt2.X(), aPt2.Y() );
}
optimized hatch output
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#endif
initial import
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}
}
}
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