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135 lines
3.2 KiB
135 lines
3.2 KiB
/******************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2008 Lubos Lunak <l.lunak@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************/ |
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#ifndef KWIN_XRENDERUTILS_H |
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#define KWIN_XRENDERUTILS_H |
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#include <kwinconfig.h> |
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING |
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#include <QtCore/QSharedData> |
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#include <QtGui/QColor> |
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#include <ksharedptr.h> |
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#include <kwinglobals.h> |
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#include <X11/extensions/Xfixes.h> |
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#include <X11/extensions/Xrender.h> |
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/** @addtogroup kwineffects */ |
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/** @{ */ |
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namespace KWin |
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{ |
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/** |
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* Convert QRegion to XserverRegion. |
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*/ |
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KWIN_EXPORT XserverRegion toXserverRegion(QRegion region); |
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/** |
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* draws a round box on the renderscene |
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*/ |
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KWIN_EXPORT void xRenderRoundBox(Picture pict, const QRect &rect, int round, const QColor &c); |
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/** |
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* dumps a QColor into a XRenderColor |
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*/ |
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KWIN_EXPORT XRenderColor preMultiply(const QColor &c, float opacity = 1.0); |
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/** @internal */ |
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class KWIN_EXPORT XRenderPictureData |
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: public QSharedData |
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{ |
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public: |
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XRenderPictureData(Picture pic = None); |
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~XRenderPictureData(); |
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Picture value(); |
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private: |
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Picture picture; |
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Q_DISABLE_COPY(XRenderPictureData) |
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}; |
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/** |
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* @short Wrapper around XRender Picture. |
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* |
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* This class wraps XRender's Picture, providing proper initialization, |
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* convenience constructors and freeing of resources. |
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* It should otherwise act exactly like the Picture type. |
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*/ |
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class KWIN_EXPORT XRenderPicture |
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{ |
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public: |
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XRenderPicture(Picture pic = None); |
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XRenderPicture(QPixmap pix); |
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XRenderPicture(Pixmap pix, int depth); |
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operator Picture(); |
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private: |
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KSharedPtr< XRenderPictureData > d; |
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}; |
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inline |
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XRenderPictureData::XRenderPictureData(Picture pic) |
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: picture(pic) |
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{ |
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} |
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inline |
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XRenderPictureData::~XRenderPictureData() |
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{ |
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if (picture != None) |
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XRenderFreePicture(display(), picture); |
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} |
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inline |
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Picture XRenderPictureData::value() |
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{ |
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return picture; |
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} |
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inline |
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XRenderPicture::XRenderPicture(Picture pic) |
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: d(new XRenderPictureData(pic)) |
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{ |
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} |
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inline |
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XRenderPicture::operator Picture() |
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{ |
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return d->value(); |
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} |
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/** |
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* Static 1x1 picture used to deliver a black pixel with given opacity (for blending performance) |
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* Call and Use, the PixelPicture will stay, but may change it's opacity meanwhile. It's NOT threadsafe either |
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*/ |
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KWIN_EXPORT XRenderPicture xRenderBlendPicture(double opacity); |
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/** |
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* Creates a 1x1 Picture filled with c |
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*/ |
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KWIN_EXPORT XRenderPicture xRenderFill(const XRenderColor *c); |
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KWIN_EXPORT XRenderPicture xRenderFill(const QColor &c); |
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} // namespace |
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#endif |
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/** @} */ |
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#endif
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