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| -rw-r--r-- | vcl/inc/unx/x11/xrender_peer.hxx | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/vcl/inc/unx/x11/xrender_peer.hxx b/vcl/inc/unx/x11/xrender_peer.hxx new file mode 100644 index 000000000..e1006f88e --- /dev/null +++ b/vcl/inc/unx/x11/xrender_peer.hxx @@ -0,0 +1,165 @@ +/* -*- 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_X11_XRENDER_PEER_HXX +#define INCLUDED_VCL_UNX_X11_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 <tools/color.hxx> + + +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 * ) 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; + void CompositeTriangles( int nOp, Picture aSrc, Picture aDst, + const XRenderPictFormat*, int nXSrc, int nYSrc, + const XTriangle*, 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 const * 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 void XRenderPeer::CompositeTriangles( int nOp, + Picture aSrc, Picture aDst, const XRenderPictFormat* pXRPF, + int nXSrc, int nYSrc, const XTriangle* pXT, int nCount ) const +{ + XRenderCompositeTriangles( mpDisplay, nOp, aSrc, aDst, pXRPF, + nXSrc, nYSrc, pXT, nCount ); +} + +inline XRenderColor GetXRenderColor( Color rColor, double fTransparency ) +{ + XRenderColor aRetVal; + // convert the Color + aRetVal.red = rColor.GetRed(); aRetVal.red |= (aRetVal.red << 8); + aRetVal.green = rColor.GetGreen(); aRetVal.green |= (aRetVal.green << 8); + aRetVal.blue = rColor.GetBlue(); 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_X11_XRENDER_PEER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |