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Made gussian_map get called just once rather than N times

This commit is contained in:
Matthew Allum 2003-11-14 19:27:00 +00:00
parent f0000349e7
commit 03e138e205
2 changed files with 25 additions and 18 deletions
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7
Makefile
View File

@ -2,8 +2,13 @@ LIBS=`pkg-config --cflags --libs xcomposite xfixes xdamage xrender` -lm
CFLAGS=-O -g
all: xcompmgr mbcompmgr
xcompmgr: xcompmgr.c
$(CC) -o $@ $(CFLAGS) xcompmgr.c $(LIBS)
mbcompmgr: mbcompmgr.c
$(CC) -o $@ $(CFLAGS) mbcompmgr.c $(LIBS)
clean:
rm xcompmgr
rm xcompmgr mbcompmgr

36
xcompmgr.c
View File

@ -53,8 +53,12 @@ typedef struct _win {
struct _win *prev_trans;
} win;
win *list;
typedef struct _conv {
int size;
double *data;
} conv;
win *list;
Display *dpy;
int scr;
Window root;
@ -65,6 +69,7 @@ Picture blackPicture;
Picture rootTile;
XserverRegion allDamage;
int root_height, root_width;
conv *gussianMap;
#define BACKGROUND_PROP "_XROOTPMAP_ID"
@ -86,10 +91,6 @@ gaussian (double r, double x, double y)
exp ((- (x * x + y * y)) / (2 * r * r)));
}
typedef struct _conv {
int size;
double *data;
} conv;
conv *
make_gaussian_map (Display *dpy, double r)
@ -192,13 +193,12 @@ sum_gaussian (conv *map, double opacity, int x, int y, int width, int height)
}
XImage *
make_shadow (Display *dpy, double opacity, double r, int width, int height)
make_shadow (Display *dpy, double opacity, int width, int height)
{
conv *map = make_gaussian_map (dpy, r);
XImage *ximage;
double *gdata = map->data;
double *gdata = gussianMap->data;
unsigned char *data;
int gsize = map->size;
int gsize = gussianMap->size;
int ylimit, xlimit;
int swidth = width + gsize;
int sheight = height + gsize;
@ -235,7 +235,7 @@ make_shadow (Display *dpy, double opacity, double r, int width, int height)
for (y = 0; y < ylimit; y++)
for (x = 0; x < xlimit; x++)
{
d = sum_gaussian (map, opacity, x - center, y - center, width, height);
d = sum_gaussian (gussianMap, opacity, x - center, y - center, width, height);
data[y * swidth + x] = d;
data[(sheight - y - 1) * swidth + x] = d;
data[(sheight - y - 1) * swidth + (swidth - x - 1)] = d;
@ -247,7 +247,7 @@ make_shadow (Display *dpy, double opacity, double r, int width, int height)
*/
for (y = 0; y < ylimit; y++)
{
d = sum_gaussian (map, opacity, center, y - center, width, height);
d = sum_gaussian (gussianMap, opacity, center, y - center, width, height);
for (x = gsize; x < swidth - gsize; x++)
{
data[y * swidth + x] = d;
@ -261,7 +261,7 @@ make_shadow (Display *dpy, double opacity, double r, int width, int height)
for (x = 0; x < xlimit; x++)
{
d = sum_gaussian (map, opacity, x - center, center, width, height);
d = sum_gaussian (gussianMap, opacity, x - center, center, width, height);
for (y = gsize; y < sheight - gsize; y++)
{
data[y * swidth + x] = d;
@ -273,19 +273,18 @@ make_shadow (Display *dpy, double opacity, double r, int width, int height)
* center
*/
d = sum_gaussian (map, opacity, center, center, width, height);
d = sum_gaussian (gussianMap, opacity, center, center, width, height);
for (y = ylimit; y < sheight - ylimit; y++)
for (x = xlimit; x < swidth - xlimit; x++)
data[y * swidth + x] = d;
free (map);
return ximage;
}
Picture
shadow_picture (Display *dpy, double opacity, double r, int width, int height, int *wp, int *hp)
shadow_picture (Display *dpy, double opacity, int width, int height, int *wp, int *hp)
{
XImage *shadowImage = make_shadow (dpy, opacity, r, width, height);
XImage *shadowImage = make_shadow (dpy, opacity, width, height);
Pixmap shadowPixmap = XCreatePixmap (dpy, root,
shadowImage->width,
shadowImage->height,
@ -391,7 +390,7 @@ win_extents (Display *dpy, win *w)
double opacity = SHADOW_OPACITY;
if (w->mode == WINDOW_TRANS)
opacity = opacity * TRANS_OPACITY;
w->shadow = shadow_picture (dpy, opacity, SHADOW_RADIUS,
w->shadow = shadow_picture (dpy, opacity,
w->a.width, w->a.height,
&w->shadow_width, &w->shadow_height);
w->shadow_dx = SHADOW_OFFSET_X;
@ -806,6 +805,9 @@ main ()
scr = DefaultScreen (dpy);
root = RootWindow (dpy, scr);
pa.subwindow_mode = IncludeInferiors;
gussianMap = make_gaussian_map(dpy, SHADOW_RADIUS);
transPixmap = XCreatePixmap (dpy, root, 1, 1, 8);
pa.repeat = True;
transPicture = XRenderCreatePicture (dpy, transPixmap,