docs/library/framebuf: Clarify docs for blit regarding palette.

Clarified the behaviour when both key and palette are specified.
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TPReal 2022-11-16 12:37:43 +01:00 committed by Damien George
parent 4ff10b5976
commit 859d0e9529

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@ -133,7 +133,9 @@ Other methods
Draw another FrameBuffer on top of the current one at the given coordinates.
If *key* is specified then it should be a color integer and the
corresponding color will be considered transparent: all pixels with that
color value will not be drawn.
color value will not be drawn. (If the *palette* is specified then the *key*
is compared to the value from *palette*, not to the value directly from
*fbuf*.)
The *palette* argument enables blitting between FrameBuffers with differing
formats. Typical usage is to render a monochrome or grayscale glyph/icon to