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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 <math.h>
#include <string.h>
#include "applet-struct.h"
#include "applet-draw.h"
void cd_xkbd_update_icon (const gchar *cGroupName, const gchar *cShortGroupName, const gchar *cIndicatorName, gboolean bRedrawSurface)
{
//g_print ("%s (%s;%s;%d)\n", __func__, cGroupName, cShortGroupName, bRedrawSurface);
if (bRedrawSurface)
{
//\__________________ On sauvegarde l'ancienne surface/texture.
if (myData.pOldSurface != NULL)
cairo_surface_destroy (myData.pOldSurface);
if (myData.iOldTexture != 0)
_cairo_dock_delete_texture (myData.iOldTexture);
myData.pOldSurface = myData.pCurrentSurface;
myData.iOldTexture = myData.iCurrentTexture;
myData.iOldTextWidth = myData.iCurrentTextWidth;
myData.iOldTextHeight = myData.iCurrentTextHeight;
//\__________________ On cree la nouvelle surface (la taille du texte peut avoir change).
int iWidth, iHeight;
CD_APPLET_GET_MY_ICON_EXTENT (&iWidth, &iHeight);
double fMaxScale = cairo_dock_get_max_scale (myContainer);
double fTextXOffset, fTextYOffset;
myData.pCurrentSurface = cairo_dock_create_surface_from_text_full (cShortGroupName,
myDrawContext,
&myConfig.textDescription,
fMaxScale,
iWidth,
&myData.iCurrentTextWidth, &myData.iCurrentTextHeight, &fTextXOffset, &fTextYOffset);
myData.iCurrentTextWidth *= fMaxScale;
myData.iCurrentTextHeight *= fMaxScale;
if (g_bUseOpenGL)
{
myData.iCurrentTexture = cairo_dock_create_texture_from_surface (myData.pCurrentSurface);
}
//\__________________ On lance une transition entre ancienne et nouvelle surface/texture, ou on dessine direct.
if (myConfig.iTransitionDuration != 0 && myData.pOldSurface != NULL)
{
CD_APPLET_SET_TRANSITION_ON_MY_ICON (cd_xkbd_render_step_cairo,
cd_xkbd_render_step_opengl,
g_bUseOpenGL, // bFastPace : vite si opengl, lent si cairo.
myConfig.iTransitionDuration,
TRUE); // bRemoveWhenFinished
}
else
{
if (CD_APPLET_MY_CONTAINER_IS_OPENGL)
{
CD_APPLET_START_DRAWING_MY_ICON_OR_RETURN ();
cd_xkbd_render_step_opengl (myApplet);
CD_APPLET_FINISH_DRAWING_MY_ICON;
}
else
{
cairo_dock_erase_cairo_context (myDrawContext);
cd_xkbd_render_step_cairo (myApplet);
CD_APPLET_UPDATE_REFLECT_ON_MY_ICON;
}
CD_APPLET_REDRAW_MY_ICON;
}
//\__________________ On met a jour le reste.
CD_APPLET_SET_NAME_FOR_MY_ICON (cGroupName);
CD_APPLET_SET_QUICK_INFO_ON_MY_ICON (cIndicatorName);
}
else
{
CD_APPLET_SET_QUICK_INFO_ON_MY_ICON (cIndicatorName);
CD_APPLET_REDRAW_MY_ICON;
}
}
gboolean cd_xkbd_render_step_opengl (CairoDockModuleInstance *myApplet)
{
double f = CD_APPLET_GET_TRANSITION_FRACTION ();
//g_print ("%s (%.2f)\n", __func__, f);
int iWidth, iHeight;
CD_APPLET_GET_MY_ICON_EXTENT (&iWidth, &iHeight);
cairo_dock_set_perspective_view (iWidth, iHeight);
glScalef (1., -1., 1.);
double fTheta = - 45. + f * 90.; // -45 -> 45
glTranslatef (0., 0., - iWidth * sqrt(2)/2 * cos (fTheta/180.*G_PI)); // pour faire tenir le cube dans la fenetre.
glEnable (GL_DEPTH_TEST);
_cairo_dock_enable_texture ();
_cairo_dock_set_blend_alpha ();
_cairo_dock_set_alpha (1.);
// fond
if (myData.iBackgroundTexture != 0)
cairo_dock_apply_texture_at_size (myData.iBackgroundTexture, iWidth, iHeight);
// image precedente.
if (fTheta < 25 && myData.iOldTexture != 0) // inutile de dessiner si elle est derriere l'image courante, par l'effet de perspective (en fait 22.5, mais bizarrement ca a l'air un peu trop tot).
{
glPushMatrix ();
glRotatef (45. + fTheta, 0., 1., 0.); // 0 -> 90
glTranslatef (0., 0., (myData.iCurrentTextWidth ? myData.iCurrentTextWidth : iWidth)/2);
cairo_dock_apply_texture_at_size (myData.iOldTexture, myData.iOldTextWidth, MIN (iHeight, myData.iOldTextHeight));
glPopMatrix ();
}
// image courante a 90deg.
glRotatef (45. + fTheta, 0., 1., 0.); // 0 -> 90
glTranslatef (- (myData.iOldTextWidth ? myData.iOldTextWidth : iWidth)/2, 0., 0.);
glRotatef (-90., 0., 1., 0.);
cairo_dock_apply_texture_at_size (myData.iCurrentTexture, myData.iCurrentTextWidth, MIN (iHeight, myData.iCurrentTextHeight));
glDisable (GL_DEPTH_TEST);
_cairo_dock_disable_texture ();
if (myDock)
{
cairo_dock_set_ortho_view (iWidth, iHeight);
}
return TRUE;
}
gboolean cd_xkbd_render_step_cairo (CairoDockModuleInstance *myApplet)
{
double f = CD_APPLET_GET_TRANSITION_FRACTION ();
//g_print ("%s (%.2f)\n", __func__, f);
int iWidth, iHeight;
CD_APPLET_GET_MY_ICON_EXTENT (&iWidth, &iHeight);
if (myData.pBackgroundSurface != NULL)
{
cairo_set_source_surface (
myDrawContext,
myData.pBackgroundSurface,
0.,
0.);
cairo_paint (myDrawContext);
cairo_dock_set_icon_surface_full (myDrawContext, myData.pBackgroundSurface, 1., 1., myIcon, myContainer);
}
double dx, dy, fScale=0;
if (myData.pOldSurface != NULL && 1-f > .01)
{
dx = (iWidth - myData.iOldTextWidth)/2;
dy = (iHeight - myData.iOldTextHeight)/2;
if (dy < 0) // peut arriver si une police de la taille de l'icone n'existe pas.
{
dy = 0;
fScale = 1.*iHeight / myData.iOldTextHeight;
cairo_save (myDrawContext);
cairo_scale (myDrawContext, 1., fScale); // a priori la difference n'est pas enorme, on laisse donc remplit en largeur.
}
cairo_set_source_surface (
myDrawContext,
myData.pOldSurface,
dx,
dy);
cairo_paint_with_alpha (myDrawContext, 1-f);
if (fScale != 0)
cairo_restore (myDrawContext);
}
if (myData.pCurrentSurface != NULL)
{
dx = (iWidth - myData.iCurrentTextWidth)/2;
dy = (iHeight - myData.iCurrentTextHeight)/2;
if (dy < 0)
{
dy = 0;
fScale = 1.*iHeight / myData.iCurrentTextHeight;
cairo_save (myDrawContext);
cairo_scale (myDrawContext, 1., fScale);
}
cairo_set_source_surface (
myDrawContext,
myData.pCurrentSurface,
dx,
dy);
cairo_paint_with_alpha (myDrawContext, f);
if (fScale != 0)
cairo_restore (myDrawContext);
}
return TRUE;
}
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