Appendix D: Predefined Patterns
46.
APPENDIX D: PREDEFINED PATTERNS
Selection
Pattern
Description
Disabled
N/A
The links are activated but no video data transferred
Color Bar
100% intensity color bars of all primaries and mixed
combinations.
Chessboard
8 by 8 chessboard with black (0%) and 100% intensity white
Solid Black
0% luminance
Solid White
100% white
Solid Red
100% red
Solid Green
100% green
Solid Blue
100% blue
White Vertical Stripes
Vertical stripes of black (0%) and white (100%).
Parameters set the widths of the black and white stripes in
pixels respectively. Default black / white = 20 / 20 pixels.
Parameter range 0 to 5000.
Gradient Vertical Stripes
16 pixels high horizontal red green, blue and white stripes.
Intensity is increased from 0 to 100% with steps defined by
the given parameter (n). (step = n*color_depth/256)
. “n”
range 0 to 5000 (default 120).
Color Ramp
Color Ramp test pattern defined by VESA DisplayPort Link
Layer Compliance Test Specification.
Color Square
Color Square test pattern defined by VESA DisplayPort Link
Layer Compliance Test Specification.
Color mode can be selected between RGB, YCbCr 4:4:4,
4:2:2, 4:2:0 (ITU Rec 601 / 709)
White Square
100% intensity white square horizontally and vertically
centered. Height and width defined by parameter as the
percentage of height and width of the frame (default 30).
Motion Pattern
Horizontally moving color bar pattern. The pattern is shifted to
left one pixel in each frame in a sequence. The length of the
sequence is defined with parameter. Range 0 to 34 (default is
20)
Custom Image
Bitmap image uploaded by the user. Click on the
Custom
Images
panel to browse. By default, Unigraf test image will
be used.
More test patterns can be downloaded e.g. from