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/**
* This file is a part of the Cairo-Dock project
*
* Copyright : (C) see the 'copyright' file.
* E-mail : see the 'copyright' file.
*
* 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 3
* 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, see <http://www.gnu.org/licenses/>.
*/
/******************************************************************************
This file is a part of the cairo-dock program,
released under the terms of the GNU General Public License.
Written by Fabrice Rey (for any bug report, please mail me to fabounet@users.berlios.de)
******************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "applet-struct.h"
#include "applet-bounce.h"
void cd_animations_init_bounce (CairoDock *pDock, CDAnimationData *pData, double dt)
{
int m = (1 - myConfig.fBounceFlatten) / .1;
pData->iBounceCount = myConfig.iBounceDuration / dt - 1 + m;
if (pData->fResizeFactor == 0)
pData->fResizeFactor = 1.;
if (pData->fFlattenFactor == 0)
pData->fFlattenFactor = 1.;
pData->bIsBouncing = TRUE;
}
gboolean cd_animations_update_bounce (Icon *pIcon, CairoDock *pDock, CDAnimationData *pData, double dt, gboolean bUseOpenGL, gboolean bWillContinue)
{
int m = (1 - myConfig.fBounceFlatten) / .1; // pas de 0.1
int n = myConfig.iBounceDuration / dt + m; // nbre d'iteration pour 1 aplatissement+montree+descente.
int k = n - (pData->iBounceCount % n) - m; // m iterations pour s'aplatir.
n -= m; // nbre d'iteration pour 1 montree+descente.
//g_print ("%s (%d)\n", __func__, pData->iBounceCount);
double fPrevElevation = pData->fElevation;
double fPrevDeltaY = pIcon->fDeltaYReflection;
if (k > 0)
{
if (pData->iBounceCount == 1 && ! bWillContinue)
pData->fResizeFactor = 1.;
else if (pData->fResizeFactor > myConfig.fBounceResize)
{
pData->fResizeFactor -= (1 - myConfig.fBounceResize) / (n/2);
}
double fPossibleDeltaY = MIN (50, (pDock->bDirectionUp ? pIcon->fDrawY : pDock->iCurrentHeight - (pIcon->fDrawY + pIcon->fHeight * pIcon->fScale)) + (1-pData->fResizeFactor)*pIcon->fHeight*pIcon->fScale); // on borne a 50 pixels pour les rendus qui ont des fenetres grandes..
if (pData->iBounceCount == 1 && ! bWillContinue)
{
pData->fElevation = 0.;
pIcon->fDeltaYReflection = 0.;
}
else
{
pData->fElevation = 1.*k / (n/2) * fPossibleDeltaY * (2 - 1.*k/(n/2)) - (pDock->bDirectionUp ? (1 - pData->fResizeFactor) * pIcon->fHeight*pIcon->fScale/2 : 0);
pIcon->fDeltaYReflection = 1.40 * pData->fElevation; // le reflet "rebondira" de 40% de la hauteur au sol.
if (! bUseOpenGL) // on prend en compte la translation du au fHeightFactor.
pIcon->fDeltaYReflection -= (pDock->bHorizontalDock ? pIcon->fHeight * pIcon->fScale * pIcon->fHeightFactor * (1 - pData->fResizeFactor) / (pDock->bDirectionUp ? 2:1) : pIcon->fWidth * pIcon->fScale * (1 - pData->fResizeFactor) / 2);
else if (! pDock->bDirectionUp)
{
pData->fElevation -= (1 - pData->fResizeFactor) * pIcon->fHeight*pIcon->fScale/2;
}
}
//g_print (" ^ pData->fElevation : %.2f (x%.2f)\n", pData->fElevation, pData->fResizeFactor);
pData->fFlattenFactor = 1.;
}
else // on commence par s'aplatir.
{
pData->fFlattenFactor = - (1. - myConfig.fBounceFlatten) / m * k + myConfig.fBounceFlatten; // varie de 1. exclus a f inclus.
if (pDock->bDirectionUp)
pData->fElevation = - (1. - pData->fFlattenFactor * pData->fResizeFactor) / 2 * pIcon->fHeight * pIcon->fScale;
pIcon->fDeltaYReflection = pData->fElevation;
if (! bUseOpenGL)
pIcon->fDeltaYReflection -= (pDock->bHorizontalDock ? pIcon->fHeight * pIcon->fScale * (1 - pData->fResizeFactor * pData->fFlattenFactor) / (pDock->bDirectionUp ? 2:1) : pIcon->fWidth * pIcon->fScale * (1 - pData->fResizeFactor * pData->fFlattenFactor) / 2);
else if (! pDock->bDirectionUp)
{
pData->fElevation = - (1 - pData->fResizeFactor * pData->fFlattenFactor) * pIcon->fHeight*pIcon->fScale/2;
}
//g_print (" v pData->fElevation : %.2f (x%.2f)\n", pData->fElevation, pData->fFlattenFactor);
}
pData->iBounceCount --; // c'est une loi de type acceleration dans le champ de pesanteur. 'g' et 'v0' n'interviennent pas directement, car s'expriment en fonction de 'fPossibleDeltaY' et 'n'.
if (! bUseOpenGL && ! pDock->bIsShrinkingDown && ! pDock->bIsGrowingUp)
{
double fDamageWidthFactor = pIcon->fWidthFactor;
double fDamageHeightFactor = pIcon->fHeightFactor;
double fDeltaYReflection = pIcon->fDeltaYReflection;
fPrevDeltaY = MAX (fPrevDeltaY, pIcon->fDeltaYReflection);
pIcon->fDeltaYReflection = fPrevDeltaY;
fPrevElevation = MAX (fPrevElevation, pData->fElevation);
pIcon->fWidthFactor = 1.;
pIcon->fHeightFactor = 1.;
pIcon->fDrawY -= (pDock->bDirectionUp ? 1 : 0) * fPrevElevation;
pIcon->fHeight += fPrevElevation;
cairo_dock_redraw_my_icon (pIcon, CAIRO_CONTAINER (pDock));
//cairo_dock_redraw_container (pDock);
pIcon->fDrawY += (pDock->bDirectionUp ? 1 : 0) * fPrevElevation;
pIcon->fWidthFactor = fDamageWidthFactor;
pIcon->fHeightFactor = fDamageHeightFactor;
pIcon->fDeltaYReflection = fDeltaYReflection;
pIcon->fHeight -= fPrevElevation;
}
return (pData->iBounceCount > 0);
}
void cd_animations_draw_bounce_icon (Icon *pIcon, CairoDock *pDock, CDAnimationData *pData, int sens)
{
if (sens == 1)
pIcon->fHeightFactor *= pData->fFlattenFactor;
else
pIcon->fHeightFactor /= pData->fFlattenFactor;
if (sens == 1)
{
pIcon->fHeightFactor *= pData->fResizeFactor;
pIcon->fWidthFactor *= pData->fResizeFactor;
}
else
{
pIcon->fHeightFactor /= pData->fResizeFactor;
pIcon->fWidthFactor /= pData->fResizeFactor;
}
if (pDock->bHorizontalDock)
glTranslatef (0., (pDock->bDirectionUp ? 1 : -1) * pData->fElevation * sens, 0.);
else
glTranslatef ((pDock->bDirectionUp ? -1 : 1) * pData->fElevation * sens, 0., 0.);
}
void cd_animations_draw_bounce_cairo (Icon *pIcon, CairoDock *pDock, CDAnimationData *pData, cairo_t *pCairoContext, int sens)
{
if (sens == 1)
pIcon->fHeightFactor *= pData->fFlattenFactor;
else
pIcon->fHeightFactor /= pData->fFlattenFactor;
if (sens == 1)
{
pIcon->fHeightFactor *= pData->fResizeFactor;
pIcon->fWidthFactor *= pData->fResizeFactor;
}
else
{
pIcon->fHeightFactor /= pData->fResizeFactor;
pIcon->fWidthFactor /= pData->fResizeFactor;
}
if (pDock->bHorizontalDock)
cairo_translate (pCairoContext,
pIcon->fWidth * pIcon->fScale * (1 - pIcon->fWidthFactor) / 2 * sens,
(pDock->bDirectionUp ? 1 : 0) * pIcon->fHeight * pIcon->fScale * (1 - pIcon->fHeightFactor) / 2 * sens);
else
cairo_translate (pCairoContext,
(pDock->bDirectionUp ? 1 : 0) * pIcon->fHeight * pIcon->fScale * (1 - pIcon->fHeightFactor) / 2 * sens,
pIcon->fWidth * pIcon->fScale * (1 - pIcon->fWidthFactor) / 2 * sens);
if (pDock->bHorizontalDock)
cairo_translate (pCairoContext,
0.,
- (pDock->bDirectionUp ? 1 : -1) * pData->fElevation * sens);
else
cairo_translate (pCairoContext,
- (pDock->bDirectionUp ? 1 : -1) * pData->fElevation * sens,
0.);
}
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