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| -rw-r--r-- | docs/library/framebuf.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/library/framebuf.rst b/docs/library/framebuf.rst index 78ae0c1c3..149f4d660 100644 --- a/docs/library/framebuf.rst +++ b/docs/library/framebuf.rst @@ -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 |