dockapps/wmweather+/animation.c

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#include "config.h"
/* Copyright (C) 2002 Brad Jorsch <anomie@users.sourceforge.net>
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 <stdio.h>
#include <X11/Xlib.h>
#include <X11/xpm.h>
#include "wmgeneral/wmgeneral-x11.h"
#include "wmgeneral/xpm_trans.h"
#include "wmweather+.h"
#include "animation.h"
#include "moon.h"
#include "font.h"
#define P 4 /* Percent to increment by */
#define X 4 /* Frames to wait before incrementing */
#define M (((100/P)+1)*X)
static int heights[5]={ 11, 12, 14, 14, 19 };
void SetAnimation(struct animation *a, int x, int y, int sky, int obs, int vis,
int frz, int snow, int rain, int tstorm, int svtstorm,
double moon){
int i;
a->changed=1;
a->active=1;
a->x=x;
a->y=y;
if(sky>=0 && sky<6) a->sky=sky*27;
else a->sky=-1;
if(vis<7 && obs>0 && vis>0 && obs<4){
a->obs=obs*27-27;
a->vis=256-236*(vis-1)/6;
} else a->vis=0;
a->items[0]=frz;
a->items[1]=snow;
a->items[2]=rain;
a->items[3]=tstorm;
a->items[4]=svtstorm;
for(i=0; i<5; i++){
if(a->items[i]==0) continue;
if(a->items[i]%P) a->items[i]=a->items[i]/P+1;
else a->items[i]=a->items[i]/P;
a->items[i]*=X;
if(a->items[i]!=0) a->changed=1;
}
a->ac=0;
a->moon=moon;
}
void DoAnimation(struct animation *a){
int i;
int top, h;
2014-10-05 15:29:59 +00:00
/* Turned off? */
if(!a->active) return;
/* Any parameters changed? If yes, draw */
if(a->changed) goto doit;
/* Nothing changed, quit if not animating */
if(!a->do_animate) return;
/* We are animating. If it's the first frame of a cycle, draw it */
a->ac++; if(a->ac>=M){ a->ac=0; goto doit; }
/* Not the first frame, see if anything changed. If so, draw it */
for(i=0; i<5; i++){
if(a->ac>=a->items[i] && a->ac<=a->items[i]+X) goto doit;
}
/* Just draw the counter... */
if(a->show_counter) goto do_counter;
/* Nothing to draw, quit */
return;
doit:
if(a->min_pct!=a->old_pct){
if(a->min_pct%P) a->pct=(a->min_pct/P+1)*X;
else a->pct=(a->min_pct/P)*X;
a->old_pct=a->min_pct;
}
a->changed=0;
if(!a->do_animate) a->ac=a->pct;
copyPixmapArea(124, 18, 26, 31, a->x, a->y);
if(a->sky!=-1){
copySunMoon(a->x, a->y, a->moon);
combineWithTrans(a->sky, 64, 26, 25, a->x, a->y);
}
if(a->vis>0) combineWithOpacity(a->obs, 89, 26, 25, a->x, a->y, a->vis);
for(i=0; i<5; i++){
if(a->items[i]==0 || a->ac>=a->items[i]+X) continue;
h=heights[i];
top=h;
if(a->ac<X){
h=h*a->ac/X;
} else if(a->ac>=a->items[i] && a->ac<a->items[i]+X){
h-=h*(a->ac%X)/X;
top=h;
}
combineWithTrans(i*27, 129-top, 26, h, a->x, a->y+31-top);
}
if(a->show_counter){{
char foo[5];
do_counter:
if(!a->do_animate){
snprintf(foo, 5, "%d%%", a->min_pct);
} else {
for(i=0; i<100 && a->ac>((i+P-1)/P)*X; i++);
snprintf(foo, 5, "%d%%", i);
}
i=GetStringWidth(foo);
copyPixmapArea(124, 18, i+2, 7, a->x+(26-i-2)/2, a->y+12);
DrawString(a->x+(26-i)/2, a->y+13, foo, 2);
}}
}