diff options
| author | Søren Sandmann Pedersen <ssp@redhat.com> | 2010-09-25 20:35:58 -0400 |
|---|---|---|
| committer | Søren Sandmann Pedersen <ssp@redhat.com> | 2010-09-25 20:35:58 -0400 |
| commit | 7cac4c120b1aa35cbdb2997516ecdd01b7ca8588 (patch) | |
| tree | 5322bedb656e16bb868d63cd7455bb8225831540 | |
| parent | 597d2c9472425f2feed5a02a7a3ee360a984bd51 (diff) | |
misc
| -rw-r--r-- | bluenoise.c | 6 | ||||
| -rw-r--r-- | gtk-utils.c | 22 |
2 files changed, 16 insertions, 12 deletions
diff --git a/bluenoise.c b/bluenoise.c index 5d0b4c1..97ea96e 100644 --- a/bluenoise.c +++ b/bluenoise.c @@ -94,12 +94,10 @@ main () noise[i * N_SAMPLES + j].re *= 2.4 * f; noise[i * N_SAMPLES + j].im *= 2.4 * f; #endif -#if 0 - if (f < 0.4) + if (f < 0.2) factor = 0; else - factor = 12 * (f - 0.4); -#endif + factor = 5 * (f - 0.2); noise[i * N_SAMPLES + j].re *= factor; noise[i * N_SAMPLES + j].im *= factor; // 8 * N_SAMPLES * N_SAMPLES * factor; diff --git a/gtk-utils.c b/gtk-utils.c index e8a8d63..8d8add6 100644 --- a/gtk-utils.c +++ b/gtk-utils.c @@ -35,7 +35,7 @@ pixbuf_from_buffer (complex_t *buffer, int n) #define SADD(v,a) (((v) + (a) > 0xff)? 0xff : ((v) + (a) < 0)? 0 : ((v) + (a))) - g = ((double)h / n) * 255; + g = ((double)w / n) * 255; #if 0 if (vi + g > 0xff) @@ -48,19 +48,23 @@ pixbuf_from_buffer (complex_t *buffer, int n) int rr, gg, bb; - rr = 0x3; - gg = 0x80 - 0x80/255.0 * g; - bb = 0x3; + rr = 0; + gg = g * 0.5; + bb = 0; + + int x = drand48() > 0.5; pb[0] = SADD (rr, vi); - pb[1] = SADD (gg, - vi); + pb[1] = SADD (gg, - (vi)); pb[2] = SADD (bb, vi); pb[3] = 0xff; +#if 0 pb[0] = rr; pb[1] = gg; pb[2] = bb; pb[3] = 0xff; +#endif #define TRUNC(x, n) \ x >>= (8 - n); \ @@ -68,9 +72,11 @@ pixbuf_from_buffer (complex_t *buffer, int n) x |= x >> n; \ x |= x >> (2 * n) - TRUNC(pb[0], 8); - TRUNC(pb[1], 8); - TRUNC(pb[2], 8); +#if 0 + TRUNC(pb[0], 5); + TRUNC(pb[1], 6); + TRUNC(pb[2], 5); +#endif } } |