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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/rectenum.hxx>
#include <vcl/svapp.hxx>
#include <vcl/outdev.hxx>
#include <vcl/bitmap.hxx>
///////////////////////////////////////////////////////////////////////////////
void ImpCalcBmpFillSizes( Size& rStartOffset,
Size& rBmpOutputSize,
const Rectangle& rOutputRect,
const MapMode& rOutputMapMode,
const Bitmap& rFillBitmap,
const Size& rBmpSize,
const Size& rBmpPerCent,
const Size& rBmpOffPerCent,
BOOL bBmpLogSize,
BOOL bBmpTile,
BOOL bBmpStretch,
RECT_POINT eBmpRectPoint )
{
BOOL bOriginalSize = FALSE, bScaleSize = FALSE;
// Falls keine Groessen gegeben sind ( z.B. alte Dokumente )
// berechnen wir uns die Groesse selber aus der Bitmap
// ==> altes Verhalten;
// wenn nur eine Groesse gegeben ist, wird die andere
// Groesse angepasst berechnet
if( bBmpLogSize )
{
if( !rBmpSize.Width() && !rBmpSize.Height() )
bOriginalSize = TRUE;
else if( !rBmpSize.Width() || !rBmpSize.Height() )
bScaleSize = TRUE;
}
else
{
if( !rBmpPerCent.Width() && !rBmpPerCent.Height() )
bOriginalSize = TRUE;
else if( !rBmpPerCent.Width() || !rBmpPerCent.Height() )
bScaleSize = TRUE;
}
// entweder Originalgroesse oder angepasste Groesse
if( bOriginalSize || bScaleSize )
{
MapMode aBmpPrefMapMode( rFillBitmap.GetPrefMapMode() );
Size aBmpPrefSize( rFillBitmap.GetPrefSize() );
// Falls keine gesetzt ist, nehmen wir Pixel
if( !aBmpPrefSize.Width() || !aBmpPrefSize.Height() )
{
aBmpPrefSize = rFillBitmap.GetSizePixel();
aBmpPrefMapMode = MAP_PIXEL;
}
if( bOriginalSize )
{
if( MAP_PIXEL == aBmpPrefMapMode.GetMapUnit() )
rBmpOutputSize = Application::GetDefaultDevice()->PixelToLogic( aBmpPrefSize, rOutputMapMode );
else
rBmpOutputSize = OutputDevice::LogicToLogic( aBmpPrefSize, aBmpPrefMapMode, rOutputMapMode );
}
else
{
if( bBmpLogSize )
{
rBmpOutputSize = rBmpSize;
if( !rBmpSize.Width() )
rBmpOutputSize.Width() = basegfx::fround( (double) rBmpSize.Height() * aBmpPrefSize.Width() / aBmpPrefSize.Height() );
else
rBmpOutputSize.Height() = basegfx::fround( (double) rBmpSize.Width() * aBmpPrefSize.Height() / aBmpPrefSize.Width() );
}
else
{
if( !rBmpPerCent.Width() )
{
rBmpOutputSize.Height() = basegfx::fround( (double) rOutputRect.GetHeight() * rBmpPerCent.Height() / 100. );
rBmpOutputSize.Width() = basegfx::fround( (double) rBmpOutputSize.Height() * aBmpPrefSize.Width() / aBmpPrefSize.Height() );
}
else
{
rBmpOutputSize.Width() = basegfx::fround( (double) rOutputRect.GetWidth() * rBmpPerCent.Width() / 100. );
rBmpOutputSize.Height() = basegfx::fround( (double) rBmpOutputSize.Width() * aBmpPrefSize.Height() / aBmpPrefSize.Width() );
}
}
}
}
// ansonsten koennen wir die Groesse leicht selber berechnen
else
{
if( bBmpLogSize )
rBmpOutputSize = rBmpSize;
else
{
rBmpOutputSize.Width() = basegfx::fround( (double) rOutputRect.GetWidth() * rBmpPerCent.Width() / 100. );
rBmpOutputSize.Height() = basegfx::fround( (double) rOutputRect.GetHeight() * rBmpPerCent.Height() / 100. );
}
}
// nur bei Kachelung die anderen Positionen berechnen
if( bBmpTile )
{
Point aStartPoint;
// Grundposition der ersten Kachel berechen;
// Diese Position wird spaeter zur Berechnung der absoluten
// Startposition links oberhalb des Objektes benutzt
switch( eBmpRectPoint )
{
case( RP_MT ):
{
aStartPoint.X() = rOutputRect.Left() + ( ( rOutputRect.GetWidth() - rBmpOutputSize.Width() ) >> 1 );
aStartPoint.Y() = rOutputRect.Top();
}
break;
case( RP_RT ):
{
aStartPoint.X() = rOutputRect.Right() - rBmpOutputSize.Width();
aStartPoint.Y() = rOutputRect.Top();
}
break;
case( RP_LM ):
{
aStartPoint.X() = rOutputRect.Left();
aStartPoint.Y() = rOutputRect.Top() + ( ( rOutputRect.GetHeight() - rBmpOutputSize.Height() ) >> 1 );
}
break;
case( RP_MM ):
{
aStartPoint.X() = rOutputRect.Left() + ( ( rOutputRect.GetWidth() - rBmpOutputSize.Width() ) >> 1 );
aStartPoint.Y() = rOutputRect.Top() + ( ( rOutputRect.GetHeight() - rBmpOutputSize.Height() ) >> 1 );
}
break;
case( RP_RM ):
{
aStartPoint.X() = rOutputRect.Right() - rBmpOutputSize.Width();
aStartPoint.Y() = rOutputRect.Top() + ( ( rOutputRect.GetHeight() - rBmpOutputSize.Height() ) >> 1 );
}
break;
case( RP_LB ):
{
aStartPoint.X() = rOutputRect.Left();
aStartPoint.Y() = rOutputRect.Bottom() - rBmpOutputSize.Height();
}
break;
case( RP_MB ):
{
aStartPoint.X() = rOutputRect.Left() + ( ( rOutputRect.GetWidth() - rBmpOutputSize.Width() ) >> 1 );
aStartPoint.Y() = rOutputRect.Bottom() - rBmpOutputSize.Height();
}
break;
case( RP_RB ):
{
aStartPoint.X() = rOutputRect.Right() - rBmpOutputSize.Width();
aStartPoint.Y() = rOutputRect.Bottom() - rBmpOutputSize.Height();
}
break;
// default linke obere Ecke
default:
aStartPoint = rOutputRect.TopLeft();
break;
}
// X- oder Y-Positionsoffset beruecksichtigen
if( rBmpOffPerCent.Width() )
aStartPoint.X() += ( rBmpOutputSize.Width() * rBmpOffPerCent.Width() / 100 );
if( rBmpOffPerCent.Height() )
aStartPoint.Y() += ( rBmpOutputSize.Height() * rBmpOffPerCent.Height() / 100 );
// echten Startpunkt berechnen ( links oben )
if( rBmpOutputSize.Width() && rBmpOutputSize.Height() )
{
const long nDiffX = aStartPoint.X() - rOutputRect.Left();
const long nDiffY = aStartPoint.Y() - rOutputRect.Top();
if ( nDiffX )
{
long nCount = nDiffX / rBmpOutputSize.Width() + 1;
if ( rBmpOffPerCent.Height() && ( nCount & 1L ) )
nCount++;
aStartPoint.X() -= ( nCount * rBmpOutputSize.Width() );
}
if ( nDiffY )
{
long nCount = nDiffY / rBmpOutputSize.Height() + 1;
if ( rBmpOffPerCent.Width() && ( nCount & 1L ) )
nCount++;
aStartPoint.Y() -= ( nCount * rBmpOutputSize.Height() );
}
}
rStartOffset = Size( aStartPoint.X() - rOutputRect.Left(),
aStartPoint.Y() - rOutputRect.Top() );
}
else
{
if( bBmpStretch )
{
rStartOffset = Size(0, 0);
rBmpOutputSize = rOutputRect.GetSize();
}
else
{
rStartOffset = Size( ( rOutputRect.GetWidth() - rBmpOutputSize.Width() ) >> 1,
( rOutputRect.GetHeight() - rBmpOutputSize.Height() ) >> 1 );
}
}
}
//////////////////////////////////////////////////////////////////////////////
// eof
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