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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include <tools/debug.hxx>
#include <vcl/settings.hxx>
#include <vcl/svapp.hxx>
#include <vcl/wrkwin.hxx>
#include <vcl/virdev.hxx>
#include <salinst.hxx>
#include <salgdi.hxx>
#include <salframe.hxx>
#include <salvd.hxx>
#include <outdev.h>
#include "PhysicalFontCollection.hxx"
#include <svdata.hxx>
#include <vcl/ITiledRenderable.hxx>
namespace vcl
{
ITiledRenderable::~ITiledRenderable()
{
}
}
using namespace ::com::sun::star::uno;
bool VirtualDevice::AcquireGraphics() const
{
DBG_TESTSOLARMUTEX();
if ( mpGraphics )
return true;
mbInitLineColor = true;
mbInitFillColor = true;
mbInitFont = true;
mbInitTextColor = true;
mbInitClipRegion = true;
ImplSVData* pSVData = ImplGetSVData();
if ( mpVirDev )
{
mpGraphics = mpVirDev->AcquireGraphics();
// if needed retry after releasing least recently used virtual device graphics
while ( !mpGraphics )
{
if ( !pSVData->maGDIData.mpLastVirGraphics )
break;
pSVData->maGDIData.mpLastVirGraphics->ReleaseGraphics();
mpGraphics = mpVirDev->AcquireGraphics();
}
// update global LRU list of virtual device graphics
if ( mpGraphics )
{
mpNextGraphics = pSVData->maGDIData.mpFirstVirGraphics;
pSVData->maGDIData.mpFirstVirGraphics = const_cast<VirtualDevice*>(this);
if ( mpNextGraphics )
mpNextGraphics->mpPrevGraphics = const_cast<VirtualDevice*>(this);
if ( !pSVData->maGDIData.mpLastVirGraphics )
pSVData->maGDIData.mpLastVirGraphics = const_cast<VirtualDevice*>(this);
}
}
if ( mpGraphics )
{
mpGraphics->SetXORMode( (ROP_INVERT == meRasterOp) || (ROP_XOR == meRasterOp), ROP_INVERT == meRasterOp );
mpGraphics->setAntiAliasB2DDraw(mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW);
}
return mpGraphics ? true : false;
}
void VirtualDevice::ReleaseGraphics( bool bRelease )
{
DBG_TESTSOLARMUTEX();
if ( !mpGraphics )
return;
// release the fonts of the physically released graphics device
if ( bRelease )
ImplReleaseFonts();
ImplSVData* pSVData = ImplGetSVData();
VirtualDevice* pVirDev = (VirtualDevice*)this;
if ( bRelease )
pVirDev->mpVirDev->ReleaseGraphics( mpGraphics );
// remove from global LRU list of virtual device graphics
if ( mpPrevGraphics )
mpPrevGraphics->mpNextGraphics = mpNextGraphics;
else
pSVData->maGDIData.mpFirstVirGraphics = mpNextGraphics;
if ( mpNextGraphics )
mpNextGraphics->mpPrevGraphics = mpPrevGraphics;
else
pSVData->maGDIData.mpLastVirGraphics = mpPrevGraphics;
mpGraphics = NULL;
mpPrevGraphics = NULL;
mpNextGraphics = NULL;
}
void VirtualDevice::ImplInitVirDev( const OutputDevice* pOutDev,
long nDX, long nDY, sal_uInt16 nBitCount, const SystemGraphicsData *pData )
{
SAL_INFO( "vcl.virdev", "ImplInitVirDev(" << nDX << "," << nDY << "," << nBitCount << ")" );
if ( nDX < 1 )
nDX = 1;
if ( nDY < 1 )
nDY = 1;
ImplSVData* pSVData = ImplGetSVData();
if ( !pOutDev )
pOutDev = ImplGetDefaultWindow();
if( !pOutDev )
return;
SalGraphics* pGraphics;
if ( !pOutDev->mpGraphics )
(void)pOutDev->AcquireGraphics();
pGraphics = pOutDev->mpGraphics;
if ( pGraphics )
mpVirDev = pSVData->mpDefInst->CreateVirtualDevice( pGraphics, nDX, nDY, nBitCount, pData );
else
mpVirDev = NULL;
if ( !mpVirDev )
{
// do not abort but throw an exception, may be the current thread terminates anyway (plugin-scenario)
throw ::com::sun::star::uno::RuntimeException(
OUString( "Could not create system bitmap!" ),
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
}
mnBitCount = ( nBitCount ? nBitCount : pOutDev->GetBitCount() );
mnOutWidth = nDX;
mnOutHeight = nDY;
mbScreenComp = true;
mnAlphaDepth = -1;
// #i59315# init vdev size from system object, when passed a
// SystemGraphicsData. Otherwise, output size will always
// incorrectly stay at (1,1)
if( pData && mpVirDev )
mpVirDev->GetSize(mnOutWidth,mnOutHeight);
if( mnBitCount < 8 )
SetAntialiasing( ANTIALIASING_DISABLE_TEXT );
if ( pOutDev->GetOutDevType() == OUTDEV_PRINTER )
mbScreenComp = false;
else if ( pOutDev->GetOutDevType() == OUTDEV_VIRDEV )
mbScreenComp = static_cast<const VirtualDevice*>(pOutDev)->mbScreenComp;
meOutDevType = OUTDEV_VIRDEV;
mbDevOutput = true;
mpFontCollection = pSVData->maGDIData.mpScreenFontList;
mpFontCache = pSVData->maGDIData.mpScreenFontCache;
mnDPIX = pOutDev->mnDPIX;
mnDPIY = pOutDev->mnDPIY;
mnDPIScaleFactor = pOutDev->mnDPIScaleFactor;
maFont = pOutDev->maFont;
if( maTextColor != pOutDev->maTextColor )
{
maTextColor = pOutDev->maTextColor;
mbInitTextColor = true;
}
// virtual devices have white background by default
SetBackground( Wallpaper( Color( COL_WHITE ) ) );
// #i59283# don't erase user-provided surface
if( !pData )
Erase();
// register VirDev in the list
mpNext = pSVData->maGDIData.mpFirstVirDev;
mpPrev = NULL;
if ( mpNext )
mpNext->mpPrev = this;
else
pSVData->maGDIData.mpLastVirDev = this;
pSVData->maGDIData.mpFirstVirDev = this;
}
VirtualDevice::VirtualDevice( sal_uInt16 nBitCount )
: mpVirDev( NULL ),
meRefDevMode( REFDEV_NONE )
{
SAL_WARN_IF( nBitCount > 1 && nBitCount != 8, "vcl.gdi",
"VirtualDevice::VirtualDevice(): Only 0, 1 or 8 allowed for BitCount, not " << nBitCount );
SAL_INFO( "vcl.gdi", "VirtualDevice::VirtualDevice( " << nBitCount << " )" );
ImplInitVirDev( Application::GetDefaultDevice(), 1, 1, nBitCount );
}
VirtualDevice::VirtualDevice( const OutputDevice& rCompDev, sal_uInt16 nBitCount )
: mpVirDev( NULL ),
meRefDevMode( REFDEV_NONE )
{
SAL_WARN_IF( nBitCount > 1 && nBitCount != 8, "vcl.gdi",
"VirtualDevice::VirtualDevice(): Only 0, 1 or 8 allowed for BitCount, not " << nBitCount );
SAL_INFO( "vcl.gdi", "VirtualDevice::VirtualDevice( " << nBitCount << " )" );
ImplInitVirDev( &rCompDev, 1, 1, nBitCount );
}
VirtualDevice::VirtualDevice( const OutputDevice& rCompDev, sal_uInt16 nBitCount, sal_uInt16 nAlphaBitCount )
: mpVirDev( NULL ),
meRefDevMode( REFDEV_NONE )
{
SAL_WARN_IF( nBitCount > 1 && nBitCount != 8, "vcl.gdi",
"VirtualDevice::VirtualDevice(): Only 0, 1 or 8 allowed for BitCount, not " << nBitCount );
SAL_INFO( "vcl.gdi",
"VirtualDevice::VirtualDevice( " << nBitCount << ", " << nAlphaBitCount << " )" );
ImplInitVirDev( &rCompDev, 1, 1, nBitCount );
// Enable alpha channel
mnAlphaDepth = sal::static_int_cast<sal_Int8>(nAlphaBitCount);
}
VirtualDevice::VirtualDevice( const SystemGraphicsData *pData, sal_uInt16 nBitCount )
: mpVirDev( NULL ),
meRefDevMode( REFDEV_NONE )
{
SAL_INFO( "vcl.gdi", "VirtualDevice::VirtualDevice( " << nBitCount << " )" );
ImplInitVirDev( Application::GetDefaultDevice(), 1, 1, nBitCount, pData );
}
VirtualDevice::~VirtualDevice()
{
SAL_INFO( "vcl.gdi", "VirtualDevice::~VirtualDevice()" );
ImplSVData* pSVData = ImplGetSVData();
ReleaseGraphics();
delete mpVirDev;
// remove this VirtualDevice from the double-linked global list
if( mpPrev )
mpPrev->mpNext = mpNext;
else
pSVData->maGDIData.mpFirstVirDev = mpNext;
if( mpNext )
mpNext->mpPrev = mpPrev;
else
pSVData->maGDIData.mpLastVirDev = mpPrev;
}
bool VirtualDevice::InnerImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
const basebmp::RawMemorySharedArray &pBuffer,
const bool bTopDown )
{
SAL_INFO( "vcl.gdi",
"VirtualDevice::InnerImplSetOutputSizePixel( " << rNewSize.Width() << ", "
<< rNewSize.Height() << ", " << int(bErase) << " )" );
if ( !mpVirDev )
return false;
else if ( rNewSize == GetOutputSizePixel() )
{
if ( bErase )
Erase();
// Yeah, so trying to re-use a VirtualDevice but this time using a
// pre-allocated buffer won't work. Big deal.
return true;
}
bool bRet;
long nNewWidth = rNewSize.Width(), nNewHeight = rNewSize.Height();
if ( nNewWidth < 1 )
nNewWidth = 1;
if ( nNewHeight < 1 )
nNewHeight = 1;
if ( bErase )
{
if ( pBuffer )
bRet = mpVirDev->SetSizeUsingBuffer( nNewWidth, nNewHeight, pBuffer, bTopDown );
else
bRet = mpVirDev->SetSize( nNewWidth, nNewHeight );
if ( bRet )
{
mnOutWidth = rNewSize.Width();
mnOutHeight = rNewSize.Height();
Erase();
}
}
else
{
SalVirtualDevice* pNewVirDev;
ImplSVData* pSVData = ImplGetSVData();
// we need a graphics
if ( !mpGraphics )
{
if ( !AcquireGraphics() )
return false;
}
pNewVirDev = pSVData->mpDefInst->CreateVirtualDevice( mpGraphics, nNewWidth, nNewHeight, mnBitCount );
if ( pNewVirDev )
{
SalGraphics* pGraphics = pNewVirDev->AcquireGraphics();
if ( pGraphics )
{
SalTwoRect aPosAry;
long nWidth;
long nHeight;
if ( mnOutWidth < nNewWidth )
nWidth = mnOutWidth;
else
nWidth = nNewWidth;
if ( mnOutHeight < nNewHeight )
nHeight = mnOutHeight;
else
nHeight = nNewHeight;
aPosAry.mnSrcX = 0;
aPosAry.mnSrcY = 0;
aPosAry.mnSrcWidth = nWidth;
aPosAry.mnSrcHeight = nHeight;
aPosAry.mnDestX = 0;
aPosAry.mnDestY = 0;
aPosAry.mnDestWidth = nWidth;
aPosAry.mnDestHeight = nHeight;
pGraphics->CopyBits( aPosAry, mpGraphics, this, this );
pNewVirDev->ReleaseGraphics( pGraphics );
ReleaseGraphics();
delete mpVirDev;
mpVirDev = pNewVirDev;
mnOutWidth = rNewSize.Width();
mnOutHeight = rNewSize.Height();
bRet = true;
}
else
{
bRet = false;
delete pNewVirDev;
}
}
else
bRet = false;
}
return bRet;
}
// #i32109#: Fill opaque areas correctly (without relying on
// fill/linecolor state)
void VirtualDevice::ImplFillOpaqueRectangle( const Rectangle& rRect )
{
// Set line and fill color to black (->opaque),
// fill rect with that (linecolor, too, because of
// those pesky missing pixel problems)
Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
SetLineColor( COL_BLACK );
SetFillColor( COL_BLACK );
DrawRect( rRect );
Pop();
}
bool VirtualDevice::ImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
const basebmp::RawMemorySharedArray &pBuffer,
const bool bTopDown )
{
if( InnerImplSetOutputSizePixel(rNewSize, bErase, pBuffer, bTopDown) )
{
if( mnAlphaDepth != -1 )
{
// #110958# Setup alpha bitmap
if(mpAlphaVDev && mpAlphaVDev->GetOutputSizePixel() != rNewSize)
{
delete mpAlphaVDev;
mpAlphaVDev = 0L;
}
if( !mpAlphaVDev )
{
mpAlphaVDev = new VirtualDevice( *this, mnAlphaDepth );
mpAlphaVDev->InnerImplSetOutputSizePixel(rNewSize, bErase,
basebmp::RawMemorySharedArray(),
bTopDown );
}
// TODO: copy full outdev state to new one, here. Also needed in outdev2.cxx:DrawOutDev
if( GetLineColor() != Color( COL_TRANSPARENT ) )
mpAlphaVDev->SetLineColor( COL_BLACK );
if( GetFillColor() != Color( COL_TRANSPARENT ) )
mpAlphaVDev->SetFillColor( COL_BLACK );
mpAlphaVDev->SetMapMode( GetMapMode() );
}
return true;
}
return false;
}
void VirtualDevice::EnableRTL( bool bEnable )
{
// virdevs default to not mirroring, they will only be set to mirroring
// under rare circumstances in the UI, eg the valueset control
// because each virdev has its own SalGraphics we can safely switch the SalGraphics here
// ...hopefully
if( AcquireGraphics() )
mpGraphics->SetLayout( bEnable ? SAL_LAYOUT_BIDI_RTL : 0 );
OutputDevice::EnableRTL(bEnable);
}
bool VirtualDevice::SetOutputSizePixel( const Size& rNewSize, bool bErase )
{
return ImplSetOutputSizePixel( rNewSize, bErase, basebmp::RawMemorySharedArray(), false );
}
bool VirtualDevice::SetOutputSizePixelScaleOffsetAndBuffer(
const Size& rNewSize, const Fraction& rScale, const Point& rNewOffset,
const basebmp::RawMemorySharedArray &pBuffer, const bool bTopDown )
{
if (pBuffer) {
MapMode mm = GetMapMode();
mm.SetOrigin( rNewOffset );
mm.SetScaleX( rScale );
mm.SetScaleY( rScale );
SetMapMode( mm );
}
return ImplSetOutputSizePixel( rNewSize, true, pBuffer, bTopDown );
}
void VirtualDevice::SetReferenceDevice( RefDevMode i_eRefDevMode )
{
sal_Int32 nDPIX = 600, nDPIY = 600;
switch( i_eRefDevMode )
{
case REFDEV_NONE:
default:
DBG_ASSERT( false, "VDev::SetRefDev illegal argument!" );
break;
case REFDEV_MODE06:
nDPIX = nDPIY = 600;
break;
case REFDEV_MODE_MSO1:
nDPIX = nDPIY = 6*1440;
break;
case REFDEV_MODE_PDF1:
nDPIX = nDPIY = 720;
break;
}
ImplSetReferenceDevice( i_eRefDevMode, nDPIX, nDPIY );
}
void VirtualDevice::SetReferenceDevice( sal_Int32 i_nDPIX, sal_Int32 i_nDPIY )
{
ImplSetReferenceDevice( REFDEV_CUSTOM, i_nDPIX, i_nDPIY );
}
void VirtualDevice::ImplSetReferenceDevice( RefDevMode i_eRefDevMode, sal_Int32 i_nDPIX, sal_Int32 i_nDPIY )
{
mnDPIX = i_nDPIX;
mnDPIY = i_nDPIY;
mnDPIScaleFactor = 1;
EnableOutput( false ); // prevent output on reference device
mbScreenComp = false;
// invalidate currently selected fonts
mbInitFont = true;
mbNewFont = true;
// avoid adjusting font lists when already in refdev mode
sal_uInt8 nOldRefDevMode = meRefDevMode;
sal_uInt8 nOldCompatFlag = (sal_uInt8)meRefDevMode & REFDEV_FORCE_ZERO_EXTLEAD;
meRefDevMode = (sal_uInt8)(i_eRefDevMode | nOldCompatFlag);
if( (nOldRefDevMode ^ nOldCompatFlag) != REFDEV_NONE )
return;
// the reference device should have only scalable fonts
// => clean up the original font lists before getting new ones
if ( mpFontEntry )
{
mpFontCache->Release( mpFontEntry );
mpFontEntry = NULL;
}
if ( mpGetDevFontList )
{
delete mpGetDevFontList;
mpGetDevFontList = NULL;
}
if ( mpGetDevSizeList )
{
delete mpGetDevSizeList;
mpGetDevSizeList = NULL;
}
// preserve global font lists
ImplSVData* pSVData = ImplGetSVData();
if( mpFontCollection && (mpFontCollection != pSVData->maGDIData.mpScreenFontList) )
delete mpFontCollection;
if( mpFontCache && (mpFontCache != pSVData->maGDIData.mpScreenFontCache) )
delete mpFontCache;
// get font list with scalable fonts only
AcquireGraphics();
mpFontCollection = pSVData->maGDIData.mpScreenFontList->Clone( true, false );
// prepare to use new font lists
mpFontCache = new ImplFontCache();
}
sal_uInt16 VirtualDevice::GetBitCount() const
{
return mnBitCount;
}
sal_uInt16 VirtualDevice::GetAlphaBitCount() const
{
if (mpAlphaVDev)
return mpAlphaVDev->GetBitCount();
return 0;
}
bool VirtualDevice::UsePolyPolygonForComplexGradient()
{
return true;
}
void VirtualDevice::Compat_ZeroExtleadBug()
{
meRefDevMode = (sal_uInt8)meRefDevMode | REFDEV_FORCE_ZERO_EXTLEAD;
}
long VirtualDevice::GetFontExtLeading() const
{
#ifdef UNX
// backwards compatible line metrics after fixing #i60945#
if ( ForceZeroExtleadBug() )
return 0;
#endif
ImplFontEntry* pEntry = mpFontEntry;
ImplFontMetricData* pMetric = &(pEntry->maMetric);
return pMetric->mnExtLeading;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|