diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/Makefile | 2 | ||||
| -rw-r--r-- | tests/icons.c | 65 |
2 files changed, 66 insertions, 1 deletions
diff --git a/tests/Makefile b/tests/Makefile index 6374b392..9fc5fe81 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -3,4 +3,4 @@ files=$(wildcard *.c) all: $(files:.c=) %: %.c - $(CC) $(CFLAGS) -o $@ $^ -lX11 -lXext -L/usr/X11R6/lib -I/usr/X11R6/include + $(CC) `pkg-config --cflags --libs glib-2.0` $(CFLAGS) -o $@ $^ -lX11 -lXext -L/usr/X11R6/lib -I/usr/X11R6/include diff --git a/tests/icons.c b/tests/icons.c index 315a10fb..af13e0b5 100644 --- a/tests/icons.c +++ b/tests/icons.c @@ -23,6 +23,7 @@ #include <stdlib.h> #include <stdio.h> #include <assert.h> +#include <glib.h> Window findClient(Display *d, Window win) { @@ -156,6 +157,70 @@ int main(int argc, char **argv) ++image; } while (ret_bytesleft > 0 && image < MAX_IMAGES); +#define hashsize(n) ((guint32)1<<(n)) +#define hashmask(n) (hashsize(n)-1) +#define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k)))) + +#define mix(a,b,c) \ +{ \ + a -= c; a ^= rot(c, 4); c += b; \ + b -= a; b ^= rot(a, 6); a += c; \ + c -= b; c ^= rot(b, 8); b += a; \ + a -= c; a ^= rot(c,16); c += b; \ + b -= a; b ^= rot(a,19); a += c; \ + c -= b; c ^= rot(b, 4); b += a; \ +} + +#define final(a,b,c) \ +{ \ + c ^= b; c -= rot(b,14); \ + a ^= c; a -= rot(c,11); \ + b ^= a; b -= rot(a,25); \ + c ^= b; c -= rot(b,16); \ + a ^= c; a -= rot(c,4); \ + b ^= a; b -= rot(a,14); \ + c ^= b; c -= rot(b,24); \ +} + + /* hash the images */ + for (j = 0; j < image; ++j) { + unsigned int w, h, length; + guint32 a,b,c; + guint32 initval = 0xf00d; + const guint32 *k = (guint32*)i[j]->data; + + w = i[j]->width; + h = i[j]->height; + length = w * h; + + /* Set up the internal state */ + a = b = c = 0xdeadbeef + (((guint32)length)<<2) + initval; + + /*---------------------------------------- handle most of the key */ + while (length > 3) + { + a += k[0]; + b += k[1]; + c += k[2]; + mix(a,b,c); + length -= 3; + k += 3; + } + + /*--------------------------------- handle the last 3 uint32_t's */ + switch(length) /* all the case statements fall through */ + { + case 3 : c+=k[2]; + case 2 : b+=k[1]; + case 1 : a+=k[0]; + final(a,b,c); + case 0: /* case 0: nothing left to add */ + break; + } + /*------------------------------------ report the result */ + printf("image[%d] %ux%u %lu\n", j, w, h, c); + } + win = XCreateSimpleWindow(d, RootWindow(d, s), 0, 0, winw, winh, 0, 0, 0); assert(win); |
