Changeset 2715 for libpipi/trunk/examples/edd.cTweet

Timestamp:

Aug 14, 2008, 8:34:44 PM (15 years ago)

Author:

Sam Hocevar

Message:

• blur.c: add an argument to the gaussian convolution to specify an angle. Of course since the kernel is no longer separable, it becomes awfully slow with large images. Here is a tileable brushed metal texture: # pipi pipi:random512x512 --wrap --blur 20x0r25 -o image.png

File:

• libpipi/trunk/examples/edd.c (modified) (2 diffs)

libpipi/trunk/examples/edd.c

@@ -62 +62 @@
 
     /* Compute the fast error */
-    tmp = pipi_gaussian_blur_ext(dither, sigma, sigma, 0.16, 0.26);
+    tmp = pipi_gaussian_blur_ext(dither, sigma, sigma, 0.0, 0.16, 0.26);
     e1 = pipi_measure_msd(gauss, tmp);
     pipi_free(tmp);
@@ -72 +72 @@
             for(dx = 0; dx <= Z; dx++)
             {
-                tmp = pipi_gaussian_blur_ext(dither, sigma, sigma,
+                tmp = pipi_gaussian_blur_ext(dither, sigma, sigma, 0.0,
                                              fx + step * dx / Z,
                                              fy + step * dy / Z);