X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fpixman%2Fdemos%2Fconvolution-test.c;fp=qemu%2Fpixman%2Fdemos%2Fconvolution-test.c;h=da284af7b7a1df34e9c539f33f38f733a57b73c3;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/pixman/demos/convolution-test.c b/qemu/pixman/demos/convolution-test.c
new file mode 100644
index 000000000..da284af7b
--- /dev/null
+++ b/qemu/pixman/demos/convolution-test.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "pixman.h"
+#include "gtk-utils.h"
+
+int
+main (int argc, char **argv)
+{
+#define WIDTH 200
+#define HEIGHT 200
+
+#define d2f pixman_double_to_fixed
+    
+    uint32_t *src = malloc (WIDTH * HEIGHT * 4);
+    uint32_t *mask = malloc (WIDTH * HEIGHT * 4);
+    uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
+    pixman_fixed_t convolution[] =
+    {
+	d2f (3), d2f (3),
+	d2f (0.5), d2f (0.5), d2f (0.5),
+	d2f (0.5), d2f (0.5), d2f (0.5),
+	d2f (0.5), d2f (0.5), d2f (0.5),
+    };
+    pixman_image_t *simg, *mimg, *dimg;
+
+    int i;
+
+    for (i = 0; i < WIDTH * HEIGHT; ++i)
+    {
+	src[i] = 0x7f007f00;
+	mask[i] = (i % 256) * 0x01000000;
+	dest[i] = 0;
+    }
+
+    simg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src, WIDTH * 4);
+    mimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, mask, WIDTH * 4);
+    dimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4);
+
+    pixman_image_set_filter (mimg, PIXMAN_FILTER_CONVOLUTION,
+			     convolution, 11);
+
+    pixman_image_composite (PIXMAN_OP_OVER, simg, mimg, dimg, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
+
+    show_image (dimg);
+    
+    return 0;
+}