Changeset 2715 for libpipi/trunk/pipi/context.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/pipi/context.c (modified) (2 diffs)

libpipi/trunk/pipi/context.c

@@ -119 +119 @@
         char const *arg;
         va_list ap;
-        double w, h;
+        double w, h, a = 0.0;
 
         if(ctx->nimages < 1)
@@ -129 +129 @@
         arg = strchr(arg, 'x');
         if(arg)
+        {
             h = atof(arg + 1);
+            arg = strchr(arg, 'r');
+            if(arg)
+                a = atof(arg + 1);
+        }
         src = ctx->images[ctx->nimages - 1];
-        dst = pipi_gaussian_blur_ext(src, w, h, 0.0, 0.0);
+        dst = pipi_gaussian_blur_ext(src, w, h, a, 0.0, 0.0);
         if(dst == NULL)
             return -1;