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/*
* Animation plugin for compiz/beryl
*
* animation.c
*
* Copyright : (C) 2006 Erkin Bahceci
* E-mail : erkinbah@gmail.com
*
* Based on Wobbly and Minimize plugins by
* : David Reveman
* E-mail : davidr@novell.com>
*
* Particle system added by : (C) 2006 Dennis Kasprzyk
* E-mail : onestone@beryl-project.org
*
* Beam-Up added by : Florencio Guimaraes
* E-mail : florencio@nexcorp.com.br
*
* Hexagon tessellator added by : Mike Slegeir
* E-mail : mikeslegeir@mail.utexas.edu>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "private.h"
// ===================== Effect: Focus Fade =========================
FocusFadeAnim::FocusFadeAnim (CompWindow *w,
WindowEvent curWindowEvent,
float duration,
const AnimEffect info,
const CompRect &icon) :
Animation::Animation (w, curWindowEvent, duration, info, icon),
RestackAnim::RestackAnim (w, curWindowEvent, duration, info, icon),
FadeAnim::FadeAnim (w, curWindowEvent, duration, info, icon)
{
}
/// Compute the cross-fade opacity to make the effect look good with every
/// window opacity value.
GLushort
FocusFadeAnim::computeOpacity (GLushort opacityInt)
{
float progress = 1 - progressLinear ();
float opacity = opacityInt / (float)OPAQUE;
float multiplier;
bool newCopy = overNewCopy ();
// flip opacity behavior for the other side of the cross-fade
if (newCopy)
progress = 1 - progress;
if (mWindow->alpha () || (newCopy && opacity >= 0.91f))
multiplier = progressDecelerate (progress);
else if (opacity > 0.94f)
multiplier = progressDecelerateCustom (progress, 0.55, 1.32);
else if (opacity >= 0.91f && opacity < 0.94f)
multiplier = progressDecelerateCustom (progress, 0.62, 0.92);
else if (opacity >= 0.89f && opacity < 0.91f)
multiplier = progressDecelerate (progress);
else if (opacity >= 0.84f && opacity < 0.89f)
multiplier = progressDecelerateCustom (progress, 0.64, 0.80);
else if (opacity >= 0.79f && opacity < 0.84f)
multiplier = progressDecelerateCustom (progress, 0.67, 0.77);
else if (opacity >= 0.54f && opacity < 0.79f)
multiplier = progressDecelerateCustom (progress, 0.61, 0.69);
else
multiplier = progress;
multiplier = 1 - multiplier;
float finalOpacity = opacity * multiplier;
finalOpacity = MIN (finalOpacity, 1);
finalOpacity = MAX (finalOpacity, 0);
return (GLushort)(finalOpacity * OPAQUE);
}
void
FocusFadeAnim::updateAttrib (GLWindowPaintAttrib &attrib)
{
attrib.opacity = computeOpacity (attrib.opacity);
}
void
FocusFadeAnim::processCandidate (CompWindow *candidateWin,
CompWindow *subjectWin,
CompRegion &candidateAndSubjectIntersection,
int &numSelectedCandidates)
{
AnimWindow *aCandidateWin = AnimWindow::get (candidateWin);
RestackPersistentData *data = static_cast<RestackPersistentData *>
(aCandidateWin->persistentData["restack"]);
data->mWinPassingThrough = subjectWin;
}
void
FocusFadeAnim::cleanUp (bool closing, bool destructing)
{
// Clear winPassingThrough of each window
// that this one was passing through
// during focus effect.
foreach (CompWindow *w, ::screen->windows ())
{
AnimWindow *aw = AnimWindow::get (w);
PersistentDataMap::iterator itData = aw->persistentData.find ("restack");
if (itData != aw->persistentData.end ()) // if found
{
RestackPersistentData *data =
static_cast<RestackPersistentData *> (itData->second);
if (data->mWinPassingThrough == mWindow)
data->mWinPassingThrough = 0;
}
}
RestackAnim::cleanUp (closing, destructing);
}
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