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File:Check64x48bwrg16pal 004.png

Check64x48bwrg16pal_004.png ‎(64 × 48 pixels, file size: 171 bytes, MIME type: image/png)

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Description
English: Calibration 64x48 pixel sized frame with a 4 bit colour palette that contains four coloured rectangles in a checkerboard pattern. This PNG file is intentionally made at 64 pixels wide by 48 pixels high and with a 4 bit colour palette in order to test software applications. Please do not modify it. A correct image viewer should display the PNG with four equal sized rectangles, each appearing completely black, completely white, completely red or completely green, and all edges should be sharp.
Date
Source
English: self made in IrfanView 4.23
Author 84user
Other versions

inline black, white, red, green

inline green, black, white, red

inline green, red, black, white

inline green, black, white, red


inline File:2x2Checkerboardbw16pixels.png frame 1 before upscaling to 64:48
inline File:2x2Checkerboardwb16pixels.png frame 2 before upscaling to 64:48

derivative OGV created from these PNG frames


Public domain This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
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Heptagon

File history

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Date/TimeThumbnailDimensionsUserComment
current21:26, 8 February 2010Thumbnail for version as of 21:26, 8 February 201064 × 48 (171 bytes)84user (talk | contribs){{Information |Description={{en|1=Calibration 64x48 pixel sized frame with a 4 bit colour palette that contains four coloured rectangles in a checkerboard pattern. This PNG file is intentionally made at 64 pixels wide by 48 pixels high and with a 4 bit c

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