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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 .
*/
#ifndef INCLUDED_VCL_UNX_GENERIC_GDI_XRENDER_PEER_HXX
#define INCLUDED_VCL_UNX_GENERIC_GDI_XRENDER_PEER_HXX
#include <X11/Xlib.h>
#include <X11/Xutil.h>
struct _XTrap; // on some older systems this is not declared within Xrender.h
#include <X11/extensions/Xrender.h>
#include <vcl/salgtype.hxx>
#include <osl/module.h>
class XRenderPeer
{
public:
static XRenderPeer& GetInstance();
private:
XRenderPeer();
void InitRenderLib();
Display* mpDisplay;
XRenderPictFormat* mpStandardFormatA8;
public:
XRenderPictFormat* GetStandardFormatA8() const;
XRenderPictFormat* FindStandardFormat(int nFormat) const;
// the methods below are thin wrappers for the XRENDER API
XRenderPictFormat* FindVisualFormat( Visual* ) const;
Picture CreatePicture( Drawable, const XRenderPictFormat*,
unsigned long nDrawable, const XRenderPictureAttributes* ) const;
void ChangePicture( Picture, unsigned long nValueMask,
const XRenderPictureAttributes* ) const;
void SetPictureClipRegion( Picture, Region ) const;
void CompositePicture( int nOp, Picture aSrc, Picture aMask, Picture aDst,
int nXSrc, int nYSrc,
int nXDst, int nYDst, unsigned nWidth, unsigned nHeight ) const;
void FreePicture( Picture ) 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;
};
inline XRenderPictFormat* XRenderPeer::GetStandardFormatA8() const
{
return mpStandardFormatA8;
}
inline XRenderPictFormat* XRenderPeer::FindStandardFormat(int nFormat) const
{
return XRenderFindStandardFormat(mpDisplay, nFormat);
}
inline XRenderPictFormat* XRenderPeer::FindVisualFormat( Visual* pVisual ) const
{
return XRenderFindVisualFormat ( mpDisplay, pVisual );
}
inline Picture XRenderPeer::CreatePicture( Drawable aDrawable,
const XRenderPictFormat* pVisFormat, unsigned long nValueMask,
const XRenderPictureAttributes* pRenderAttr ) const
{
return XRenderCreatePicture( mpDisplay, aDrawable, pVisFormat,
nValueMask, pRenderAttr );
}
inline void XRenderPeer::ChangePicture( Picture aPicture,
unsigned long nValueMask, const XRenderPictureAttributes* pRenderAttr ) const
{
XRenderChangePicture( mpDisplay, aPicture, nValueMask, pRenderAttr );
}
inline void XRenderPeer::SetPictureClipRegion( Picture aPicture,
Region aXlibRegion ) const
{
XRenderSetPictureClipRegion( mpDisplay, aPicture, aXlibRegion );
}
inline void XRenderPeer::CompositePicture( int nXRenderOp,
Picture aSrcPic, Picture aMaskPic, Picture aDstPic,
int nSrcX, int nSrcY, int nDstX, int nDstY,
unsigned nWidth, unsigned nHeight ) const
{
XRenderComposite( mpDisplay, nXRenderOp, aSrcPic, aMaskPic, aDstPic,
nSrcX, nSrcY, 0/*nMaskX*/, 0/*nMaskY*/, nDstX, nDstY, nWidth, nHeight );
}
inline void XRenderPeer::FreePicture( Picture aPicture ) const
{
XRenderFreePicture( mpDisplay, aPicture );
}
inline void XRenderPeer::FillRectangle( int a, Picture b, const XRenderColor* c,
int d, int e, unsigned int f, unsigned int g) const
{
XRenderFillRectangle( mpDisplay, a, b, c, d, e, f, g );
}
inline void XRenderPeer::CompositeTrapezoids( int nOp,
Picture aSrc, Picture aDst, const XRenderPictFormat* pXRPF,
int nXSrc, int nYSrc, const XTrapezoid* pXT, int nCount ) const
{
XRenderCompositeTrapezoids( mpDisplay, nOp, aSrc, aDst, pXRPF,
nXSrc, nYSrc, pXT, nCount );
}
inline XRenderColor GetXRenderColor( SalColor rSalColor, double fTransparency )
{
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 // INCLUDED_VCL_UNX_GENERIC_GDI_XRENDER_PEER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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