testpat: white box in top left corner

diff --git a/kms++util/src/testpat.cpp b/kms++util/src/testpat.cpp
index 6cb5d857b97f30f919cec85fa224bd76495e0f36..fbe3b2e2e47c227b2cae84cbd73784e1d2ab4914 100644 (file)
--- a/kms++util/src/testpat.cpp
+++ b/kms++util/src/testpat.cpp
@@ -28,6 +28,9 @@ static RGB get_test_pattern_pixel(IMappedFramebuffer& fb, unsigned x, unsigned y
        // white margin lines
        if (x == xm1 || x == xm2 || y == ym1 || y == ym2)
                return RGB(255, 255, 255);
+       // white box in top left corner
+       else if (x < xm1 && y < ym1)
+               return RGB(255, 255, 255);
        // white box outlines to corners
        else if ((x == 0 || x == w - 1) && (y < ym1 || y > ym2))
                return RGB(255, 255, 255);