X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Fmask.c;h=e1a18933143993a33a10676a93597830e58755f2;hb=ac735b647c9915a40fc3c44a04f7f5f7cacb4278;hp=7aa702950c7b78ec69ce20ce4744230925bfc10f;hpb=1f63f7b331887a192ddf927670471c3f00f307f5;p=chaz%2Fopenbox diff --git a/render/mask.c b/render/mask.c index 7aa70295..e1a18933 100644 --- a/render/mask.c +++ b/render/mask.c @@ -1,3 +1,41 @@ #include "mask.h" +#include "../kernel/openbox.h" -/* DO YOUR MAGIC MANNY WOOT \m/ */ +pixmap_mask *pixmap_mask_new(int w, int h, char *data) +{ + pixmap_mask *m = g_new(pixmap_mask, 1); + m->w = w; + m->h = h; + m->mask = XCreateBitmapFromData(ob_display, ob_root, data, w, h); + return m; +} + +void pixmap_mask_free(pixmap_mask *m) +{ + XFreePixmap(ob_display, m->mask); + g_free(m); +} + +void mask_draw(Pixmap p, TextureMask *m, Rect *position) +{ + int x, y; + if (m->mask == None) return; /* no mask given */ + + /* set the clip region */ + x = position->x + (position->width - m->mask->w) / 2; + y = position->y + (position->height - m->mask->h) / 2; + + if (x < 0) x = 0; + if (y < 0) y = 0; + + XSetClipMask(ob_display, m->color->gc, m->mask->mask); + XSetClipOrigin(ob_display, m->color->gc, x, y); + + /* fill in the clipped region */ + XFillRectangle(ob_display, p, m->color->gc, x, y, + x + m->mask->w, y + m->mask->h); + + /* unset the clip region */ + XSetClipMask(ob_display, m->color->gc, None); + XSetClipOrigin(ob_display, m->color->gc, 0, 0); +}