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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_vcl.hxx"
#include <vcl/event.hxx>
#include <vcl/imgctrl.hxx>
#include <tools/rcid.h>
#include <com/sun/star/awt/ImageScaleMode.hdl>
namespace ImageScaleMode = ::com::sun::star::awt::ImageScaleMode;
// -----------------------------------------------------------------------
ImageControl::ImageControl( Window* pParent, WinBits nStyle )
:FixedImage( pParent, nStyle )
,mnScaleMode( ImageScaleMode::Anisotropic )
{
}
// -----------------------------------------------------------------------
ImageControl::ImageControl( Window* pParent, const ResId& rResId )
:FixedImage( pParent, rResId )
,mnScaleMode( ImageScaleMode::Anisotropic )
{
}
// -----------------------------------------------------------------------
void ImageControl::SetScaleMode( const ::sal_Int16 _nMode )
{
if ( _nMode != mnScaleMode )
{
mnScaleMode = _nMode;
Invalidate();
}
}
// -----------------------------------------------------------------------
void ImageControl::Resize()
{
Invalidate();
}
// -----------------------------------------------------------------------
namespace
{
static Size lcl_calcPaintSize( const Rectangle& _rPaintRect, const Size& _rBitmapSize )
{
const Size aPaintSize = _rPaintRect.GetSize();
const double nRatioX = 1.0 * aPaintSize.Width() / _rBitmapSize.Width();
const double nRatioY = 1.0 * aPaintSize.Height() / _rBitmapSize.Height();
const double nRatioMin = ::std::min( nRatioX, nRatioY );
return Size( long( _rBitmapSize.Width() * nRatioMin ), long( _rBitmapSize.Height() * nRatioMin ) );
}
static Point lcl_centerWithin( const Rectangle& _rArea, const Size& _rObjectSize )
{
Point aPos( _rArea.TopLeft() );
aPos.X() += ( _rArea.GetWidth() - _rObjectSize.Width() ) / 2;
aPos.Y() += ( _rArea.GetHeight() - _rObjectSize.Height() ) / 2;
return aPos;
}
}
// -----------------------------------------------------------------------
void ImageControl::UserDraw( const UserDrawEvent& rUDEvt )
{
USHORT nStyle = 0;
BitmapEx* pBitmap = &maBmp;
if( !!maBmpHC )
{
if( GetSettings().GetStyleSettings().GetHighContrastMode() )
pBitmap = &maBmpHC;
}
if ( !*pBitmap )
{
String sText( GetText() );
if ( !sText.Len() )
return;
WinBits nWinStyle = GetStyle();
USHORT nTextStyle = FixedText::ImplGetTextStyle( nWinStyle );
if ( !IsEnabled() )
nTextStyle |= TEXT_DRAW_DISABLE;
DrawText( rUDEvt.GetRect(), sText, nTextStyle );
return;
}
const Rectangle& rPaintRect = rUDEvt.GetRect();
const Size& rBitmapSize = maBmp.GetSizePixel();
if( nStyle & IMAGE_DRAW_COLORTRANSFORM )
{
// only images support IMAGE_DRAW_COLORTRANSFORM
Image aImage( *pBitmap );
if ( !!aImage )
{
switch ( mnScaleMode )
{
case ImageScaleMode::None:
{
rUDEvt.GetDevice()->DrawImage(
lcl_centerWithin( rPaintRect, rBitmapSize ), aImage, nStyle );
}
break;
case ImageScaleMode::Isotropic:
{
const Size aPaintSize = lcl_calcPaintSize( rPaintRect, rBitmapSize );
rUDEvt.GetDevice()->DrawImage(
lcl_centerWithin( rPaintRect, aPaintSize ),
aPaintSize,
aImage, nStyle );
}
break;
case ImageScaleMode::Anisotropic:
{
rUDEvt.GetDevice()->DrawImage(
rPaintRect.TopLeft(),
rPaintRect.GetSize(),
aImage, nStyle );
}
break;
default:
OSL_ENSURE( false, "ImageControl::UserDraw: unhandled scale mode!" );
break;
} // switch ( mnScaleMode )
}
}
else
{
switch ( mnScaleMode )
{
case ImageScaleMode::None:
{
pBitmap->Draw( rUDEvt.GetDevice(), lcl_centerWithin( rPaintRect, rBitmapSize ) );
}
break;
case ImageScaleMode::Isotropic:
{
const Size aPaintSize = lcl_calcPaintSize( rPaintRect, rBitmapSize );
pBitmap->Draw( rUDEvt.GetDevice(),
lcl_centerWithin( rPaintRect, aPaintSize ),
aPaintSize );
}
break;
case ImageScaleMode::Anisotropic:
{
pBitmap->Draw( rUDEvt.GetDevice(),
rPaintRect.TopLeft(),
rPaintRect.GetSize() );
}
break;
default:
OSL_ENSURE( false, "ImageControl::UserDraw: unhandled scale mode!" );
break;
} // switch ( mnScaleMode )
}
}
// -----------------------------------------------------------------------
void ImageControl::SetBitmap( const BitmapEx& rBmp )
{
maBmp = rBmp;
StateChanged( STATE_CHANGE_DATA );
}
// -----------------------------------------------------------------------
BOOL ImageControl::SetModeBitmap( const BitmapEx& rBitmap, BmpColorMode eMode )
{
if( eMode == BMP_COLOR_NORMAL )
SetBitmap( rBitmap );
else if( eMode == BMP_COLOR_HIGHCONTRAST )
{
maBmpHC = rBitmap;
StateChanged( STATE_CHANGE_DATA );
}
else
return FALSE;
return TRUE;
}
// -----------------------------------------------------------------------
const BitmapEx& ImageControl::GetModeBitmap( BmpColorMode eMode ) const
{
if( eMode == BMP_COLOR_HIGHCONTRAST )
return maBmpHC;
else
return maBmp;
}
// -----------------------------------------------------------------------
void ImageControl::Paint( const Rectangle& rRect )
{
FixedImage::Paint( rRect );
if( HasFocus() )
{
Window *pWin = GetWindow( WINDOW_BORDER );
BOOL bFlat = (GetBorderStyle() == 2);
Rectangle aRect( Point(0,0), pWin->GetOutputSizePixel() );
Color oldLineCol = pWin->GetLineColor();
Color oldFillCol = pWin->GetFillColor();
pWin->SetFillColor();
pWin->SetLineColor( bFlat ? COL_WHITE : COL_BLACK );
pWin->DrawRect( aRect );
aRect.nLeft++;
aRect.nRight--;
aRect.nTop++;
aRect.nBottom--;
pWin->SetLineColor( bFlat ? COL_BLACK : COL_WHITE );
pWin->DrawRect( aRect );
pWin->SetLineColor( oldLineCol );
pWin->SetFillColor( oldFillCol );
}
}
// -----------------------------------------------------------------------
void ImageControl::GetFocus()
{
FixedImage::GetFocus();
GetWindow( WINDOW_BORDER )->Invalidate();
}
// -----------------------------------------------------------------------
void ImageControl::LoseFocus()
{
FixedImage::GetFocus();
GetWindow( WINDOW_BORDER )->Invalidate();
}
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