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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.
*
************************************************************************/
#ifndef _SV_XRENDER_PEER_HXX
#define _SV_XRENDER_PEER_HXX
#include <tools/prex.h>
struct _XTrap; // on some older systems this is not declared within Xrender.h
#include <X11/extensions/Xrender.h>
#include <tools/postx.h>
#include <vcl/salgtype.hxx>
#include <osl/module.h>
class XRenderPeer
{
public:
static XRenderPeer& GetInstance();
int GetVersion() const;
sal_uInt32 InitRenderText();
protected:
XRenderPeer();
~XRenderPeer();
void InitRenderLib();
Display* mpDisplay;
XRenderPictFormat* mpStandardFormatA8;
int mnRenderVersion;
oslModule mpRenderLib;
public:
XRenderPictFormat* GetStandardFormatA8() const;
XRenderPictFormat* FindStandardFormat(int nFormat) const;
// the methods below are thin wrappers for the XRENDER API
XRenderPictFormat* FindVisualFormat( Visual* ) const;
XRenderPictFormat* FindPictureFormat( unsigned long nMask,
const XRenderPictFormat& ) const;
Picture CreatePicture( Drawable, const XRenderPictFormat*,
unsigned long nDrawable, const XRenderPictureAttributes* ) const;
void ChangePicture( Picture, unsigned long nValueMask,
const XRenderPictureAttributes* ) const;
void SetPictureClipRegion( Picture, XLIB_Region ) const;
void CompositePicture( int nOp, Picture aSrc, Picture aMask, Picture aDst,
int nXSrc, int nYSrc, int nXMask, int nYMask,
int nXDst, int nYDst, unsigned nWidth, unsigned nHeight ) const;
void FreePicture( Picture ) const;
GlyphSet CreateGlyphSet() const;
void FreeGlyphSet( GlyphSet ) const;
void AddGlyph( GlyphSet, Glyph nGlyphId, const XGlyphInfo&,
const char* pBuffer, int nBufSize ) const;
void FreeGlyph( GlyphSet, Glyph nGlyphId ) const;
void CompositeString32( Picture aSrc, Picture aDst, GlyphSet,
int nDstX, int nDstY, const unsigned* pText, int nTextLen ) const;
void FillRectangle( int nOp, Picture aDst, const XRenderColor*,
int nX, int nY, unsigned nW, unsigned nH ) const;
void CompositeTrapezoids( int nOp, Picture aSrc, Picture aDst,
const XRenderPictFormat*, int nXSrc, int nYSrc,
const XTrapezoid*, int nCount ) const;
bool AddTraps( Picture aDst, int nXOfs, int nYOfs,
const _XTrap*, int nCount ) const;
bool AreTrapezoidsSupported() const
#ifdef XRENDER_LINK
{ return true; }
#else
{ return mpXRenderCompositeTrapezoids!=NULL; }
private:
XRenderPictFormat* (*mpXRenderFindFormat)(Display*,unsigned long,
const XRenderPictFormat*,int);
XRenderPictFormat* (*mpXRenderFindVisualFormat)(Display*,Visual*);
XRenderPictFormat* (*mpXRenderFindStandardFormat)(Display*,int);
Bool (*mpXRenderQueryExtension)(Display*,int*,int*);
void (*mpXRenderQueryVersion)(Display*,int*,int*);
Picture (*mpXRenderCreatePicture)(Display*,Drawable, const XRenderPictFormat*,
unsigned long,const XRenderPictureAttributes*);
void (*mpXRenderChangePicture)(Display*,Picture,
unsigned long,const XRenderPictureAttributes*);
void (*mpXRenderSetPictureClipRegion)(Display*,Picture,XLIB_Region);
void (*mpXRenderFreePicture)(Display*,Picture);
void (*mpXRenderComposite)(Display*,int,Picture,Picture,Picture,
int,int,int,int,int,int,unsigned,unsigned);
GlyphSet (*mpXRenderCreateGlyphSet)(Display*, const XRenderPictFormat*);
void (*mpXRenderFreeGlyphSet)(Display*,GlyphSet);
void (*mpXRenderAddGlyphs)(Display*,GlyphSet,Glyph*,
const XGlyphInfo*,int,const char*,int);
void (*mpXRenderFreeGlyphs)(Display*,GlyphSet,Glyph*,int);
void (*mpXRenderCompositeString32)(Display*,int,Picture,Picture,
const XRenderPictFormat*,GlyphSet,int,int,int,int,const unsigned*,int);
void (*mpXRenderFillRectangle)(Display*,int,Picture,
const XRenderColor*,int,int,unsigned int,unsigned int);
void (*mpXRenderCompositeTrapezoids)(Display*,int,Picture,Picture,
const XRenderPictFormat*,int,int,const XTrapezoid*,int);
void (*mpXRenderAddTraps)(Display*,Picture,int,int,const _XTrap*,int);
#endif // XRENDER_LINK
};
//=====================================================================
class ScopedPic
{
public:
ScopedPic( XRenderPeer& rPeer, Picture& rPic );
~ScopedPic();
Picture& Get();
private:
XRenderPeer& mrRenderPeer;
Picture maPicture;
private: // prevent copy and assignmet
ScopedPic( const ScopedPic& );
void operator=( const ScopedPic& );
};
//=====================================================================
inline int XRenderPeer::GetVersion() const
{
return mnRenderVersion;
}
inline XRenderPictFormat* XRenderPeer::GetStandardFormatA8() const
{
return mpStandardFormatA8;
}
inline XRenderPictFormat* XRenderPeer::FindStandardFormat(int nFormat) const
{
#ifdef XRENDER_LINK
return XRenderFindStandardFormat(mpDisplay, nFormat);
#else
return (*mpXRenderFindStandardFormat)(mpDisplay, nFormat);
#endif
}
inline XRenderPictFormat* XRenderPeer::FindVisualFormat( Visual* pVisual ) const
{
#ifdef XRENDER_LINK
return XRenderFindVisualFormat ( mpDisplay, pVisual );
#else
return (*mpXRenderFindVisualFormat)( mpDisplay, pVisual );
#endif
}
inline XRenderPictFormat* XRenderPeer::FindPictureFormat( unsigned long nFormatMask,
const XRenderPictFormat& rFormatAttr ) const
{
#ifdef XRENDER_LINK
return XRenderFindFormat( mpDisplay, nFormatMask, &rFormatAttr, 0 );
#else
return (*mpXRenderFindFormat)( mpDisplay, nFormatMask, &rFormatAttr, 0 );
#endif
}
inline Picture XRenderPeer::CreatePicture( Drawable aDrawable,
const XRenderPictFormat* pVisFormat, unsigned long nValueMask,
const XRenderPictureAttributes* pRenderAttr ) const
{
#ifdef XRENDER_LINK
return XRenderCreatePicture( mpDisplay, aDrawable, pVisFormat,
nValueMask, pRenderAttr );
#else
return (*mpXRenderCreatePicture)( mpDisplay, aDrawable, pVisFormat,
nValueMask, pRenderAttr );
#endif
}
inline void XRenderPeer::ChangePicture( Picture aPicture,
unsigned long nValueMask, const XRenderPictureAttributes* pRenderAttr ) const
{
#ifdef XRENDER_LINK
XRenderChangePicture( mpDisplay, aPicture, nValueMask, pRenderAttr );
#else
(*mpXRenderChangePicture)( mpDisplay, aPicture, nValueMask, pRenderAttr );
#endif
}
inline void XRenderPeer::SetPictureClipRegion( Picture aPicture,
XLIB_Region aXlibRegion ) const
{
#ifdef XRENDER_LINK
XRenderSetPictureClipRegion( mpDisplay, aPicture, aXlibRegion );
#else
(*mpXRenderSetPictureClipRegion)( mpDisplay, aPicture, aXlibRegion );
#endif
}
inline void XRenderPeer::CompositePicture( int nXRenderOp,
Picture aSrcPic, Picture aMaskPic, Picture aDstPic,
int nSrcX, int nSrcY, int nMaskX, int nMaskY, int nDstX, int nDstY,
unsigned nWidth, unsigned nHeight ) const
{
#ifdef XRENDER_LINK
XRenderComposite( mpDisplay, nXRenderOp, aSrcPic, aMaskPic, aDstPic,
nSrcX, nSrcY, nMaskX, nMaskY, nDstX, nDstY, nWidth, nHeight );
#else
(*mpXRenderComposite)( mpDisplay, nXRenderOp, aSrcPic, aMaskPic, aDstPic,
nSrcX, nSrcY, nMaskX, nMaskY, nDstX, nDstY, nWidth, nHeight );
#endif
}
inline void XRenderPeer::FreePicture( Picture aPicture ) const
{
#ifdef XRENDER_LINK
XRenderFreePicture( mpDisplay, aPicture );
#else
(*mpXRenderFreePicture)( mpDisplay, aPicture );
#endif
}
inline GlyphSet XRenderPeer::CreateGlyphSet() const
{
#ifdef XRENDER_LINK
return XRenderCreateGlyphSet( mpDisplay, mpStandardFormatA8 );
#else
return (*mpXRenderCreateGlyphSet)( mpDisplay, mpStandardFormatA8 );
#endif
}
inline void XRenderPeer::FreeGlyphSet( GlyphSet aGS ) const
{
#ifdef XRENDER_LINK
XRenderFreeGlyphSet( mpDisplay, aGS );
#else
(*mpXRenderFreeGlyphSet)( mpDisplay, aGS );
#endif
}
inline void XRenderPeer::AddGlyph( GlyphSet aGS, Glyph nGlyphId,
const XGlyphInfo& rGI, const char* pBuffer, int nBufSize ) const
{
#ifdef XRENDER_LINK
XRenderAddGlyphs( mpDisplay, aGS, &nGlyphId, &rGI, 1,
const_cast<char*>(pBuffer), nBufSize );
#else
(*mpXRenderAddGlyphs)( mpDisplay, aGS, &nGlyphId, &rGI, 1,
const_cast<char*>(pBuffer), nBufSize );
#endif
}
inline void XRenderPeer::FreeGlyph( GlyphSet aGS, Glyph nGlyphId ) const
{
(void)aGS; (void)nGlyphId;
// XRenderFreeGlyphs not implemented yet for version<=0.2
// #108209# disabled because of crash potential,
// the glyph leak is not too bad because they will
// be cleaned up when the glyphset is released
#if 0 // TODO: reenable when it works without problems
if( mnRenderVersion >= 0x05 )
{
#ifdef XRENDER_LINK
XRenderFreeGlyphs( mpDisplay, aGS, &nGlyphId, 1 );
#else
(*mpXRenderFreeGlyphs)( mpDisplay, aGS, &nGlyphId, 1 );
#endif
}
#endif
}
inline void XRenderPeer::CompositeString32( Picture aSrc, Picture aDst,
GlyphSet aGlyphSet, int nDstX, int nDstY,
const unsigned* pText, int nTextLen ) const
{
#ifdef XRENDER_LINK
XRenderCompositeString32( mpDisplay, PictOpOver, aSrc, aDst, NULL,
aGlyphSet, 0, 0, nDstX, nDstY, pText, nTextLen );
#else
(*mpXRenderCompositeString32)( mpDisplay, PictOpOver, aSrc, aDst, NULL,
aGlyphSet, 0, 0, nDstX, nDstY, pText, nTextLen );
#endif
}
inline void XRenderPeer::FillRectangle( int a, Picture b, const XRenderColor* c,
int d, int e, unsigned int f, unsigned int g) const
{
#ifdef XRENDER_LINK
XRenderFillRectangle( mpDisplay, a, b, c, d, e, f, g );
#else
(*mpXRenderFillRectangle)( mpDisplay, a, b, c, d, e, f, g );
#endif
}
inline void XRenderPeer::CompositeTrapezoids( int nOp,
Picture aSrc, Picture aDst, const XRenderPictFormat* pXRPF,
int nXSrc, int nYSrc, const XTrapezoid* pXT, int nCount ) const
{
#ifdef XRENDER_LINK
XRenderCompositeTrapezoids( mpDisplay, nOp, aSrc, aDst, pXRPF,
nXSrc, nYSrc, pXT, nCount );
#else
(*mpXRenderCompositeTrapezoids)( mpDisplay, nOp, aSrc, aDst, pXRPF,
nXSrc, nYSrc, pXT, nCount );
#endif
}
inline bool XRenderPeer::AddTraps( Picture aDst, int nXOfs, int nYOfs,
const _XTrap* pTraps, int nCount ) const
{
#ifdef XRENDER_LINK
XRenderAddTraps( mpDisplay, aDst, nXOfs, nYOfs, pTraps, nCount );
#else
if( !mpXRenderAddTraps )
return false;
(*mpXRenderAddTraps)( mpDisplay, aDst, nXOfs, nYOfs, pTraps, nCount );
#endif
return true;
}
//=====================================================================
inline ScopedPic::ScopedPic( XRenderPeer& rPeer, Picture& rPic )
: mrRenderPeer( rPeer)
, maPicture( rPic )
{}
inline ScopedPic::~ScopedPic()
{
if( maPicture )
mrRenderPeer.FreePicture( maPicture );
}
inline Picture& ScopedPic::Get()
{
return maPicture;
}
//=====================================================================
inline XRenderColor GetXRenderColor( const SalColor& rSalColor, double fTransparency = 0.0 )
{
XRenderColor aRetVal;
// convert the SalColor
aRetVal.red = SALCOLOR_RED( rSalColor ); aRetVal.red |= (aRetVal.red << 8);
aRetVal.green = SALCOLOR_GREEN( rSalColor ); aRetVal.green |= (aRetVal.green << 8);
aRetVal.blue = SALCOLOR_BLUE( rSalColor ); aRetVal.blue |= (aRetVal.blue << 8);
// handle transparency
aRetVal.alpha = 0xFFFF; // default to opaque
if( fTransparency != 0 )
{
const double fAlpha = 1.0 - fTransparency;
aRetVal.alpha = static_cast<sal_uInt16>(fAlpha * 0xFFFF + 0.5);
// xrender wants pre-multiplied colors
aRetVal.red = static_cast<sal_uInt16>(fAlpha * aRetVal.red + 0.5);
aRetVal.green = static_cast<sal_uInt16>(fAlpha * aRetVal.green + 0.5);
aRetVal.blue = static_cast<sal_uInt16>(fAlpha * aRetVal.blue + 0.5);
}
return aRetVal;
}
//=====================================================================
#endif // _SV_XRENDER_PEER_HXX
|
