diff options
Diffstat (limited to '')
| -rw-r--r-- | xcompmgr.c | 36 |
1 files changed, 19 insertions, 17 deletions
@@ -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, |