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/*
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*
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* This file is part of the KDE project, module kdesktop.
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* Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
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*
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* You can Freely distribute this program under the GNU General Public
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* License. See the file "COPYING" for the exact licensing terms.
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*/
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#ifndef __CROSSFADE_H__
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#define __CROSSFADE_H__
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#include <tqtimer.h>
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#include <tqpainter.h>
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#include <tqpixmap.h>
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xrender.h>
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#include <kdebug.h>
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#include <unistd.h>
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inline TQPixmap crossFade(const TQPixmap &pix1, const TQPixmap &pix2, double r_alpha,
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bool sync = false){
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TQPixmap pix = TQPixmap(1,1,8);
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int mw,mh;
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mw = pix1.width();
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mh = pix1.height();
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short unsigned int alpha = 0xffff * (1-r_alpha);
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XRenderColor clr = { 0, 0, 0, alpha };
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XRenderPictureAttributes pa;
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pa.repeat = True;
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Picture pic = XRenderCreatePicture(pix.x11Display(), pix.handle(),
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XRenderFindStandardFormat (pix.x11Display(), PictStandardA8),
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CPRepeat, &pa);
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XRenderFillRectangle(pix.x11Display(), PictOpSrc, pic,
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&clr, 0, 0, 1, 1);
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TQPixmap dst(pix1);
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dst.detach();
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XRenderComposite(pix.x11Display(), PictOpOver, pix2.x11RenderHandle(),
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pic, dst.x11RenderHandle(),0,0, 0,0, 0,0, mw,mh);
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if (sync) {
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XSync(pix.x11Display(), false);
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}
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XRenderFreePicture(pix.x11Display(), pic);
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return dst;
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}
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#endif // __CROSSFADE_H__
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