fixed error with image generation

genimage/go.go

@@ -7,15 +7,13 @@ import (
 
 func Pic(dx, dy int) [][]uint8 {
 	result := make([][]uint8, dy)
-	for i := 0; i < dx; i++ {
-		result[i] = make([]uint8, dx)
-	}
     var ii, jj uint8
-	for i := 0; i < dy; i++ {
-		for j := 0; j < dy; j++ {
+    for j := 0; j < dy; j++ {
+		result[j] = make([]uint8, dx)
+        for i := 0; i < dx; i++ {
             ii = uint8(i)
             jj = uint8(j)
-			result[i][j] = ii ^ jj
+			result[j][i] = ii ^ jj
 		}
 	}
 	return result