Files
libreoffice/vcl/source/gdi/graph.cxx
2011-11-07 22:29:13 +00:00

801 lines
23 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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.
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************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <vcl/outdev.hxx>
#include <vcl/svapp.hxx>
#include <vcl/graph.hxx>
#include <impgraph.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/graphic/XGraphicProvider.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <com/sun/star/lang/XTypeProvider.hpp>
#include <com/sun/star/graphic/XGraphic.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <rtl/instance.hxx>
// -----------------------
// - Compression defines -
// -----------------------
#define COMPRESS_OWN ('S'|('D'<<8UL))
#define COMPRESS_NONE ( 0UL )
#define RLE_8 ( 1UL )
#define RLE_4 ( 2UL )
#define BITFIELDS ( 3UL )
#define ZCOMPRESS ( COMPRESS_OWN | 0x01000000UL ) /* == 'SD01' (binary) */
using namespace ::com::sun::star;
// -----------------------
// - Default-Drawmethode -
// -----------------------
static void ImplDrawDefault( OutputDevice* pOutDev, const UniString* pText,
Font* pFont, const Bitmap* pBitmap, const BitmapEx* pBitmapEx,
const Point& rDestPt, const Size& rDestSize )
{
sal_uInt16 nPixel = (sal_uInt16) pOutDev->PixelToLogic( Size( 1, 1 ) ).Width();
sal_uInt16 nPixelWidth = nPixel;
Point aPoint( rDestPt.X() + nPixelWidth, rDestPt.Y() + nPixelWidth );
Size aSize( rDestSize.Width() - ( nPixelWidth << 1 ), rDestSize.Height() - ( nPixelWidth << 1 ) );
sal_Bool bFilled = ( pBitmap != NULL || pBitmapEx != NULL || pFont != NULL );
Rectangle aBorderRect( aPoint, aSize );
pOutDev->Push();
pOutDev->SetFillColor();
// Auf dem Drucker ein schwarzes Rechteck und auf dem Bildschirm eins mit 3D-Effekt
if ( pOutDev->GetOutDevType() == OUTDEV_PRINTER )
pOutDev->SetLineColor( COL_BLACK );
else
{
aBorderRect.Left() += nPixel;
aBorderRect.Top() += nPixel;
pOutDev->SetLineColor( COL_LIGHTGRAY );
pOutDev->DrawRect( aBorderRect );
aBorderRect.Left() -= nPixel;
aBorderRect.Top() -= nPixel;
aBorderRect.Right() -= nPixel;
aBorderRect.Bottom() -= nPixel;
pOutDev->SetLineColor( COL_GRAY );
}
pOutDev->DrawRect( aBorderRect );
aPoint.X() += nPixelWidth + 2*nPixel;
aPoint.Y() += nPixelWidth + 2*nPixel;
aSize.Width() -= 2*nPixelWidth + 4*nPixel;
aSize.Height() -= 2*nPixelWidth + 4*nPixel;
if( aSize.Width() > 0 && aSize.Height() > 0
&& ( ( pBitmap && !!*pBitmap ) || ( pBitmapEx && !!*pBitmapEx ) ) )
{
Size aBitmapSize( pOutDev->PixelToLogic( pBitmap ? pBitmap->GetSizePixel() : pBitmapEx->GetSizePixel() ) );
if( aSize.Height() > aBitmapSize.Height() && aSize.Width() > aBitmapSize.Width() )
{
if ( pBitmap )
pOutDev->DrawBitmap( aPoint, *pBitmap );
else
pOutDev->DrawBitmapEx( aPoint, *pBitmapEx );
aPoint.X() += aBitmapSize.Width() + 2*nPixel;
aSize.Width() -= aBitmapSize.Width() + 2*nPixel;
}
}
if ( aSize.Width() > 0 && aSize.Height() > 0 && pFont && pText && pText->Len()
&& !(!pOutDev->IsOutputEnabled() /*&& pOutDev->GetConnectMetaFile() */) )
{
MapMode aMapMode( MAP_POINT );
Size aSz = pOutDev->LogicToLogic( Size( 0, 12 ), &aMapMode, NULL );
long nThreshold = aSz.Height() / 2;
long nStep = nThreshold / 3;
if ( !nStep )
nStep = aSz.Height() - nThreshold;
for(;; aSz.Height() -= nStep )
{
pFont->SetSize( aSz );
pOutDev->SetFont( *pFont );
long nTextHeight = pOutDev->GetTextHeight();
long nTextWidth = pOutDev->GetTextWidth( *pText );
if ( nTextHeight )
{
// Die N"aherung ber"ucksichtigt keine Ungenauigkeiten durch
// Wortumbr"uche
long nLines = aSize.Height() / nTextHeight;
long nWidth = aSize.Width() * nLines; // N"aherung!!!
if ( nTextWidth <= nWidth || aSz.Height() <= nThreshold )
{
sal_uInt16 nStart = 0;
sal_uInt16 nLen = 0;
while( nStart < pText->Len() && pText->GetChar( nStart ) == ' ' )
nStart++;
while( nStart+nLen < pText->Len() && pText->GetChar( nStart+nLen ) != ' ' )
nLen++;
while( nStart < pText->Len() && nLines-- )
{
sal_uInt16 nNext = nLen;
do
{
while ( nStart+nNext < pText->Len() && pText->GetChar( nStart+nNext ) == ' ' )
nNext++;
while ( nStart+nNext < pText->Len() && pText->GetChar( nStart+nNext ) != ' ' )
nNext++;
nTextWidth = pOutDev->GetTextWidth( *pText, nStart, nNext );
if ( nTextWidth > aSize.Width() )
break;
nLen = nNext;
}
while ( nStart+nNext < pText->Len() );
sal_uInt16 n = nLen;
nTextWidth = pOutDev->GetTextWidth( *pText, nStart, n );
while( nTextWidth > aSize.Width() )
nTextWidth = pOutDev->GetTextWidth( *pText, nStart, --n );
pOutDev->DrawText( aPoint, *pText, nStart, n );
aPoint.Y() += nTextHeight;
nStart = sal::static_int_cast<sal_uInt16>(nStart + nLen);
nLen = nNext-nLen;
while( nStart < pText->Len() && pText->GetChar( nStart ) == ' ' )
{
nStart++;
nLen--;
}
}
break;
}
}
else
break;
}
}
// Falls die Default-Graphik keinen Inhalt hat,
// malen wir ein rotes Kreuz
if( !bFilled )
{
aBorderRect.Left()++;
aBorderRect.Top()++;
aBorderRect.Right()--;
aBorderRect.Bottom()--;
pOutDev->SetLineColor( COL_LIGHTRED );
pOutDev->DrawLine( aBorderRect.TopLeft(), aBorderRect.BottomRight() );
pOutDev->DrawLine( aBorderRect.TopRight(), aBorderRect.BottomLeft() );
}
pOutDev->Pop();
}
// -----------
// - Graphic -
// -----------
namespace {
struct Id: public rtl::Static< cppu::OImplementationId, Id > {};
}
uno::Sequence< sal_Int8 > Graphic::getUnoTunnelId() {
return Id::get().getImplementationId();
}
TYPEINIT1_AUTOFACTORY( Graphic, SvDataCopyStream );
// ------------------------------------------------------------------------
Graphic::Graphic()
{
mpImpGraphic = new ImpGraphic;
}
// ------------------------------------------------------------------------
Graphic::Graphic( const Graphic& rGraphic ) :
SvDataCopyStream()
{
if( rGraphic.IsAnimated() )
mpImpGraphic = new ImpGraphic( *rGraphic.mpImpGraphic );
else
{
mpImpGraphic = rGraphic.mpImpGraphic;
mpImpGraphic->mnRefCount++;
}
}
// ------------------------------------------------------------------------
Graphic::Graphic( const Bitmap& rBmp )
{
mpImpGraphic = new ImpGraphic( rBmp );
}
// ------------------------------------------------------------------------
Graphic::Graphic( const BitmapEx& rBmpEx )
{
mpImpGraphic = new ImpGraphic( rBmpEx );
}
// ------------------------------------------------------------------------
Graphic::Graphic( const Animation& rAnimation )
{
mpImpGraphic = new ImpGraphic( rAnimation );
}
// ------------------------------------------------------------------------
Graphic::Graphic( const GDIMetaFile& rMtf )
{
mpImpGraphic = new ImpGraphic( rMtf );
}
// ------------------------------------------------------------------------
Graphic::Graphic( const ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphic >& rxGraphic )
{
uno::Reference< lang::XUnoTunnel > xTunnel( rxGraphic, uno::UNO_QUERY );
const ::Graphic* pGraphic = ( xTunnel.is() ?
reinterpret_cast< ::Graphic* >( xTunnel->getSomething( getUnoTunnelId() ) ) :
NULL );
if( pGraphic )
{
if( pGraphic->IsAnimated() )
mpImpGraphic = new ImpGraphic( *pGraphic->mpImpGraphic );
else
{
mpImpGraphic = pGraphic->mpImpGraphic;
mpImpGraphic->mnRefCount++;
}
}
else
mpImpGraphic = new ImpGraphic;
}
// ------------------------------------------------------------------------
Graphic::~Graphic()
{
if( mpImpGraphic->mnRefCount == 1UL )
delete mpImpGraphic;
else
mpImpGraphic->mnRefCount--;
}
// ------------------------------------------------------------------------
void Graphic::ImplTestRefCount()
{
if( mpImpGraphic->mnRefCount > 1UL )
{
mpImpGraphic->mnRefCount--;
mpImpGraphic = new ImpGraphic( *mpImpGraphic );
}
}
// ------------------------------------------------------------------------
Graphic& Graphic::operator=( const Graphic& rGraphic )
{
if( &rGraphic != this )
{
if( rGraphic.IsAnimated() )
{
if( mpImpGraphic->mnRefCount == 1UL )
delete mpImpGraphic;
else
mpImpGraphic->mnRefCount--;
mpImpGraphic = new ImpGraphic( *rGraphic.mpImpGraphic );
}
else
{
rGraphic.mpImpGraphic->mnRefCount++;
if( mpImpGraphic->mnRefCount == 1UL )
delete mpImpGraphic;
else
mpImpGraphic->mnRefCount--;
mpImpGraphic = rGraphic.mpImpGraphic;
}
}
return *this;
}
// ------------------------------------------------------------------------
sal_Bool Graphic::operator==( const Graphic& rGraphic ) const
{
return( *mpImpGraphic == *rGraphic.mpImpGraphic );
}
// ------------------------------------------------------------------------
sal_Bool Graphic::operator!=( const Graphic& rGraphic ) const
{
return( *mpImpGraphic != *rGraphic.mpImpGraphic );
}
// ------------------------------------------------------------------------
sal_Bool Graphic::operator!() const
{
return( GRAPHIC_NONE == mpImpGraphic->ImplGetType() );
}
// ------------------------------------------------------------------------
void Graphic::Load( SvStream& rIStm )
{
rIStm >> *this;
}
// ------------------------------------------------------------------------
void Graphic::Save( SvStream& rOStm )
{
rOStm << *this;
}
// ------------------------------------------------------------------------
void Graphic::Assign( const SvDataCopyStream& rCopyStream )
{
*this = (const Graphic& ) rCopyStream;
}
// ------------------------------------------------------------------------
void Graphic::Clear()
{
ImplTestRefCount();
mpImpGraphic->ImplClear();
}
// ------------------------------------------------------------------------
GraphicType Graphic::GetType() const
{
return mpImpGraphic->ImplGetType();
}
// ------------------------------------------------------------------------
void Graphic::SetDefaultType()
{
ImplTestRefCount();
mpImpGraphic->ImplSetDefaultType();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsSupportedGraphic() const
{
return mpImpGraphic->ImplIsSupportedGraphic();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsTransparent() const
{
return mpImpGraphic->ImplIsTransparent();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsAlpha() const
{
return mpImpGraphic->ImplIsAlpha();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsAnimated() const
{
return mpImpGraphic->ImplIsAnimated();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsEPS() const
{
return mpImpGraphic->ImplIsEPS();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsRenderGraphic() const
{
return mpImpGraphic->ImplIsRenderGraphic();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::HasRenderGraphic() const
{
return mpImpGraphic->ImplHasRenderGraphic();
}
// ------------------------------------------------------------------------
Bitmap Graphic::GetBitmap(const GraphicConversionParameters& rParameters) const
{
return mpImpGraphic->ImplGetBitmap(rParameters);
}
// ------------------------------------------------------------------------
BitmapEx Graphic::GetBitmapEx(const GraphicConversionParameters& rParameters) const
{
return mpImpGraphic->ImplGetBitmapEx(rParameters);
}
// ------------------------------------------------------------------------
Animation Graphic::GetAnimation() const
{
return mpImpGraphic->ImplGetAnimation();
}
// ------------------------------------------------------------------------
const GDIMetaFile& Graphic::GetGDIMetaFile() const
{
return mpImpGraphic->ImplGetGDIMetaFile();
}
// ------------------------------------------------------------------------
::vcl::RenderGraphic Graphic::GetRenderGraphic() const
{
return mpImpGraphic->ImplGetRenderGraphic();
}
// ------------------------------------------------------------------------
uno::Reference< graphic::XGraphic > Graphic::GetXGraphic() const
{
uno::Reference< graphic::XGraphic > xRet;
if( GetType() != GRAPHIC_NONE )
{
uno::Reference < lang::XMultiServiceFactory > xMSF( ::comphelper::getProcessServiceFactory() );
if( xMSF.is() )
{
uno::Reference< graphic::XGraphicProvider > xProv( xMSF->createInstance(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.graphic.GraphicProvider" ) ) ),
uno::UNO_QUERY );
if( xProv.is() )
{
uno::Sequence< beans::PropertyValue > aLoadProps( 1 );
::rtl::OUString aURL( RTL_CONSTASCII_USTRINGPARAM( "private:memorygraphic/" ) );
aLoadProps[ 0 ].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "URL" ) );
aLoadProps[ 0 ].Value <<= ( aURL += ::rtl::OUString::valueOf( reinterpret_cast< sal_Int64 >( this ) ) );
xRet = xProv->queryGraphic( aLoadProps );
}
}
}
return xRet;
}
// ------------------------------------------------------------------------
Size Graphic::GetPrefSize() const
{
return mpImpGraphic->ImplGetPrefSize();
}
// ------------------------------------------------------------------------
void Graphic::SetPrefSize( const Size& rPrefSize )
{
ImplTestRefCount();
mpImpGraphic->ImplSetPrefSize( rPrefSize );
}
// ------------------------------------------------------------------------
MapMode Graphic::GetPrefMapMode() const
{
return mpImpGraphic->ImplGetPrefMapMode();
}
// ------------------------------------------------------------------------
void Graphic::SetPrefMapMode( const MapMode& rPrefMapMode )
{
ImplTestRefCount();
mpImpGraphic->ImplSetPrefMapMode( rPrefMapMode );
}
// ------------------------------------------------------------------
Size Graphic::GetSizePixel( const OutputDevice* pRefDevice ) const
{
Size aRet;
if( GRAPHIC_BITMAP == mpImpGraphic->ImplGetType() )
aRet = mpImpGraphic->ImplGetBitmapEx(GraphicConversionParameters()).GetSizePixel();
else
aRet = ( pRefDevice ? pRefDevice : Application::GetDefaultDevice() )->LogicToPixel( GetPrefSize(), GetPrefMapMode() );
return aRet;
}
// ------------------------------------------------------------------
sal_uLong Graphic::GetSizeBytes() const
{
return mpImpGraphic->ImplGetSizeBytes();
}
// ------------------------------------------------------------------------
void Graphic::Draw( OutputDevice* pOutDev, const Point& rDestPt ) const
{
mpImpGraphic->ImplDraw( pOutDev, rDestPt );
}
// ------------------------------------------------------------------------
void Graphic::Draw( OutputDevice* pOutDev,
const Point& rDestPt, const Size& rDestSz ) const
{
if( GRAPHIC_DEFAULT == mpImpGraphic->ImplGetType() )
ImplDrawDefault( pOutDev, NULL, NULL, NULL, NULL, rDestPt, rDestSz );
else
mpImpGraphic->ImplDraw( pOutDev, rDestPt, rDestSz );
}
// ------------------------------------------------------------------------
void Graphic::Draw( OutputDevice* pOutDev, const String& rText,
Font& rFont, const Bitmap& rBitmap,
const Point& rDestPt, const Size& rDestSz )
{
ImplDrawDefault( pOutDev, &rText, &rFont, &rBitmap, NULL, rDestPt, rDestSz );
}
// ------------------------------------------------------------------------
void Graphic::DrawEx( OutputDevice* pOutDev, const String& rText,
Font& rFont, const BitmapEx& rBitmap,
const Point& rDestPt, const Size& rDestSz )
{
ImplDrawDefault( pOutDev, &rText, &rFont, NULL, &rBitmap, rDestPt, rDestSz );
}
// ------------------------------------------------------------------------
void Graphic::StartAnimation( OutputDevice* pOutDev, const Point& rDestPt, long nExtraData,
OutputDevice* pFirstFrameOutDev )
{
ImplTestRefCount();
mpImpGraphic->ImplStartAnimation( pOutDev, rDestPt, nExtraData, pFirstFrameOutDev );
}
// ------------------------------------------------------------------------
void Graphic::StartAnimation( OutputDevice* pOutDev, const Point& rDestPt,
const Size& rDestSz, long nExtraData,
OutputDevice* pFirstFrameOutDev )
{
ImplTestRefCount();
mpImpGraphic->ImplStartAnimation( pOutDev, rDestPt, rDestSz, nExtraData, pFirstFrameOutDev );
}
// ------------------------------------------------------------------------
void Graphic::StopAnimation( OutputDevice* pOutDev, long nExtraData )
{
ImplTestRefCount();
mpImpGraphic->ImplStopAnimation( pOutDev, nExtraData );
}
// ------------------------------------------------------------------------
void Graphic::SetAnimationNotifyHdl( const Link& rLink )
{
mpImpGraphic->ImplSetAnimationNotifyHdl( rLink );
}
// ------------------------------------------------------------------------
Link Graphic::GetAnimationNotifyHdl() const
{
return mpImpGraphic->ImplGetAnimationNotifyHdl();
}
// ------------------------------------------------------------------------
sal_uLong Graphic::GetAnimationLoopCount() const
{
return mpImpGraphic->ImplGetAnimationLoopCount();
}
// ------------------------------------------------------------------------
GraphicReader* Graphic::GetContext()
{
return mpImpGraphic->ImplGetContext();
}
// ------------------------------------------------------------------------
void Graphic::SetContext( GraphicReader* pReader )
{
mpImpGraphic->ImplSetContext( pReader );
}
// ------------------------------------------------------------------------
void Graphic::SetDocFileName( const String& rName, sal_uLong nFilePos )
{
mpImpGraphic->ImplSetDocFileName( rName, nFilePos );
}
// ------------------------------------------------------------------------
const String& Graphic::GetDocFileName() const
{
return mpImpGraphic->ImplGetDocFileName();
}
// ------------------------------------------------------------------------
sal_uLong Graphic::GetDocFilePos() const
{
return mpImpGraphic->ImplGetDocFilePos();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::ReadEmbedded( SvStream& rIStream, sal_Bool bSwap )
{
ImplTestRefCount();
return mpImpGraphic->ImplReadEmbedded( rIStream, bSwap );
}
// ------------------------------------------------------------------------
sal_Bool Graphic::SwapOut()
{
ImplTestRefCount();
return mpImpGraphic->ImplSwapOut();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::SwapOut( SvStream* pOStream )
{
ImplTestRefCount();
return mpImpGraphic->ImplSwapOut( pOStream );
}
// ------------------------------------------------------------------------
sal_Bool Graphic::SwapIn()
{
ImplTestRefCount();
return mpImpGraphic->ImplSwapIn();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::SwapIn( SvStream* pStrm )
{
ImplTestRefCount();
return mpImpGraphic->ImplSwapIn( pStrm );
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsSwapOut() const
{
return mpImpGraphic->ImplIsSwapOut();
}
// ------------------------------------------------------------------------
void Graphic::SetLink( const GfxLink& rGfxLink )
{
ImplTestRefCount();
mpImpGraphic->ImplSetLink( rGfxLink );
}
// ------------------------------------------------------------------------
GfxLink Graphic::GetLink() const
{
return mpImpGraphic->ImplGetLink();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::IsLink() const
{
return mpImpGraphic->ImplIsLink();
}
// ------------------------------------------------------------------------
sal_uLong Graphic::GetChecksum() const
{
return mpImpGraphic->ImplGetChecksum();
}
// ------------------------------------------------------------------------
sal_Bool Graphic::ExportNative( SvStream& rOStream ) const
{
return mpImpGraphic->ImplExportNative( rOStream );
}
// ------------------------------------------------------------------------
SvStream& operator>>( SvStream& rIStream, Graphic& rGraphic )
{
rGraphic.ImplTestRefCount();
return rIStream >> *rGraphic.mpImpGraphic;
}
// ------------------------------------------------------------------------
SvStream& operator<<( SvStream& rOStream, const Graphic& rGraphic )
{
return rOStream << *rGraphic.mpImpGraphic;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */